mirror of
https://github.com/opencv/opencv.git
synced 2024-12-15 18:09:11 +08:00
8320 lines
243 KiB
C++
8320 lines
243 KiB
C++
/*M///////////////////////////////////////////////////////////////////////////////////////
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//
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// IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
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//
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// By downloading, copying, installing or using the software you agree to this license.
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// If you do not agree to this license, do not download, install,
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// copy or use the software.
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//
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//
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// License Agreement
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// For Open Source Computer Vision Library
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//
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// Copyright (C) 2000-2008, Intel Corporation, all rights reserved.
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// Copyright (C) 2009, Willow Garage Inc., all rights reserved.
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// Third party copyrights are property of their respective owners.
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//
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// Redistribution and use in source and binary forms, with or without modification,
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// are permitted provided that the following conditions are met:
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//
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// * Redistribution's of source code must retain the above copyright notice,
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// this list of conditions and the following disclaimer.
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//
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// * Redistribution's in binary form must reproduce the above copyright notice,
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// this list of conditions and the following disclaimer in the documentation
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// and/or other materials provided with the distribution.
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//
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// * The name of the copyright holders may not be used to endorse or promote products
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// derived from this software without specific prior written permission.
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//
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// This software is provided by the copyright holders and contributors "as is" and
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// any express or implied warranties, including, but not limited to, the implied
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// warranties of merchantability and fitness for a particular purpose are disclaimed.
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// In no event shall the Intel Corporation or contributors be liable for any direct,
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// indirect, incidental, special, exemplary, or consequential damages
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// (including, but not limited to, procurement of substitute goods or services;
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// loss of use, data, or profits; or business interruption) however caused
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// and on any theory of liability, whether in contract, strict liability,
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// or tort (including negligence or otherwise) arising in any way out of
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// the use of this software, even if advised of the possibility of such damage.
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//
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//M*/
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#include "precomp.hpp"
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#include <ctype.h>
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#include <deque>
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#include <sstream>
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#include <string>
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#include <iterator>
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#define USE_ZLIB 1
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#ifdef __APPLE__
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# include "TargetConditionals.h"
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# if (defined TARGET_OS_IPHONE && TARGET_OS_IPHONE) || (defined TARGET_IPHONE_SIMULATOR && TARGET_IPHONE_SIMULATOR)
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# undef USE_ZLIB
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# define USE_ZLIB 0
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typedef void* gzFile;
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# endif
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#endif
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#if USE_ZLIB
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# ifndef _LFS64_LARGEFILE
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# define _LFS64_LARGEFILE 0
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# endif
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# ifndef _FILE_OFFSET_BITS
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# define _FILE_OFFSET_BITS 0
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# endif
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# include <zlib.h>
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#endif
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/****************************************************************************************\
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* Common macros and type definitions *
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\****************************************************************************************/
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#define cv_isprint(c) ((uchar)(c) >= (uchar)' ')
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#define cv_isprint_or_tab(c) ((uchar)(c) >= (uchar)' ' || (c) == '\t')
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static inline bool cv_isalnum(char c)
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{
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return ('0' <= c && c <= '9') || ('a' <= c && c <= 'z') || ('A' <= c && c <= 'Z');
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}
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static inline bool cv_isalpha(char c)
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{
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return ('a' <= c && c <= 'z') || ('A' <= c && c <= 'Z');
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}
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static inline bool cv_isdigit(char c)
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{
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return '0' <= c && c <= '9';
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}
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static inline bool cv_isspace(char c)
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{
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return (9 <= c && c <= 13) || c == ' ';
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}
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static inline char* cv_skip_BOM(char* ptr)
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{
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if((uchar)ptr[0] == 0xef && (uchar)ptr[1] == 0xbb && (uchar)ptr[2] == 0xbf) //UTF-8 BOM
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{
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return ptr + 3;
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}
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return ptr;
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}
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static char* icv_itoa( int _val, char* buffer, int /*radix*/ )
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{
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const int radix = 10;
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char* ptr=buffer + 23 /* enough even for 64-bit integers */;
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unsigned val = abs(_val);
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*ptr = '\0';
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do
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{
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unsigned r = val / radix;
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*--ptr = (char)(val - (r*radix) + '0');
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val = r;
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}
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while( val != 0 );
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if( _val < 0 )
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*--ptr = '-';
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return ptr;
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}
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static inline bool cv_strcasecmp(const char * s1, const char * s2)
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{
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if ( s1 == 0 && s2 == 0 )
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return true;
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else if ( s1 == 0 || s2 == 0 )
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return false;
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size_t len1 = strlen(s1);
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size_t len2 = strlen(s2);
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if ( len1 != len2 )
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return false;
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for ( size_t i = 0U; i < len1; i++ )
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if ( tolower( static_cast<int>(s1[i]) ) != tolower( static_cast<int>(s2[i]) ) )
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return false;
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return true;
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}
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cv::String cv::FileStorage::getDefaultObjectName(const cv::String& _filename)
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{
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static const char* stubname = "unnamed";
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const char* filename = _filename.c_str();
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const char* ptr2 = filename + _filename.size();
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const char* ptr = ptr2 - 1;
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cv::AutoBuffer<char> name_buf(_filename.size()+1);
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while( ptr >= filename && *ptr != '\\' && *ptr != '/' && *ptr != ':' )
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{
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if( *ptr == '.' && (!*ptr2 || strncmp(ptr2, ".gz", 3) == 0) )
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ptr2 = ptr;
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ptr--;
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}
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ptr++;
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if( ptr == ptr2 )
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CV_Error( CV_StsBadArg, "Invalid filename" );
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char* name = name_buf;
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// name must start with letter or '_'
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if( !cv_isalpha(*ptr) && *ptr!= '_' ){
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*name++ = '_';
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}
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while( ptr < ptr2 )
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{
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char c = *ptr++;
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if( !cv_isalnum(c) && c != '-' && c != '_' )
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c = '_';
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*name++ = c;
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}
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*name = '\0';
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name = name_buf;
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if( strcmp( name, "_" ) == 0 )
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strcpy( name, stubname );
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return String(name);
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}
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typedef struct CvGenericHash
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{
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CV_SET_FIELDS()
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int tab_size;
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void** table;
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}
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CvGenericHash;
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typedef CvGenericHash CvStringHash;
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typedef struct CvFileMapNode
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{
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CvFileNode value;
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const CvStringHashNode* key;
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struct CvFileMapNode* next;
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}
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CvFileMapNode;
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typedef struct CvXMLStackRecord
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{
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CvMemStoragePos pos;
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CvString struct_tag;
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int struct_indent;
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int struct_flags;
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}
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CvXMLStackRecord;
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namespace base64
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{
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class Base64Writer;
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namespace fs
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{
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enum State
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{
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Uncertain,
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NotUse,
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InUse,
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};
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}
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}
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#define CV_XML_OPENING_TAG 1
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#define CV_XML_CLOSING_TAG 2
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#define CV_XML_EMPTY_TAG 3
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#define CV_XML_HEADER_TAG 4
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#define CV_XML_DIRECTIVE_TAG 5
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//typedef void (*CvParse)( struct CvFileStorage* fs );
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typedef void (*CvStartWriteStruct)( struct CvFileStorage* fs, const char* key,
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int struct_flags, const char* type_name );
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typedef void (*CvEndWriteStruct)( struct CvFileStorage* fs );
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typedef void (*CvWriteInt)( struct CvFileStorage* fs, const char* key, int value );
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typedef void (*CvWriteReal)( struct CvFileStorage* fs, const char* key, double value );
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typedef void (*CvWriteString)( struct CvFileStorage* fs, const char* key,
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const char* value, int quote );
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typedef void (*CvWriteComment)( struct CvFileStorage* fs, const char* comment, int eol_comment );
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typedef void (*CvStartNextStream)( struct CvFileStorage* fs );
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typedef struct CvFileStorage
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{
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int flags;
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int fmt;
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int write_mode;
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int is_first;
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CvMemStorage* memstorage;
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CvMemStorage* dststorage;
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CvMemStorage* strstorage;
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CvStringHash* str_hash;
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CvSeq* roots;
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CvSeq* write_stack;
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int struct_indent;
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int struct_flags;
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CvString struct_tag;
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int space;
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char* filename;
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FILE* file;
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gzFile gzfile;
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char* buffer;
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char* buffer_start;
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char* buffer_end;
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int wrap_margin;
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int lineno;
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int dummy_eof;
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const char* errmsg;
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char errmsgbuf[128];
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CvStartWriteStruct start_write_struct;
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CvEndWriteStruct end_write_struct;
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CvWriteInt write_int;
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CvWriteReal write_real;
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CvWriteString write_string;
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CvWriteComment write_comment;
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CvStartNextStream start_next_stream;
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const char* strbuf;
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size_t strbufsize, strbufpos;
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std::deque<char>* outbuf;
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base64::Base64Writer * base64_writer;
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bool is_default_using_base64;
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base64::fs::State state_of_writing_base64; /**< used in WriteRawData only */
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bool is_write_struct_delayed;
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char* delayed_struct_key;
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int delayed_struct_flags;
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char* delayed_type_name;
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bool is_opened;
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}
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CvFileStorage;
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namespace base64
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{
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static const size_t HEADER_SIZE = 24U;
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static const size_t ENCODED_HEADER_SIZE = 32U;
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/* base64 */
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typedef uchar uint8_t;
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extern uint8_t const base64_padding;
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extern uint8_t const base64_mapping[65];
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extern uint8_t const base64_demapping[127];
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size_t base64_encode(uint8_t const * src, uint8_t * dst, size_t off, size_t cnt);
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size_t base64_encode( char const * src, char * dst, size_t off = 0U, size_t cnt = 0U);
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size_t base64_decode(uint8_t const * src, uint8_t * dst, size_t off, size_t cnt);
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size_t base64_decode( char const * src, char * dst, size_t off = 0U, size_t cnt = 0U);
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bool base64_valid (uint8_t const * src, size_t off, size_t cnt);
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bool base64_valid ( char const * src, size_t off = 0U, size_t cnt = 0U);
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size_t base64_encode_buffer_size(size_t cnt, bool is_end_with_zero = true);
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size_t base64_decode_buffer_size(size_t cnt, bool is_end_with_zero = true);
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size_t base64_decode_buffer_size(size_t cnt, char const * src, bool is_end_with_zero = true);
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size_t base64_decode_buffer_size(size_t cnt, uchar const * src, bool is_end_with_zero = true);
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/* binary */
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template<typename _uint_t> inline size_t to_binary(_uint_t val, uchar * cur);
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template<> inline size_t to_binary(double val, uchar * cur);
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template<> inline size_t to_binary(float val, uchar * cur);
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template<typename _primitive_t> inline size_t to_binary(uchar const * val, uchar * cur);
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template<typename _uint_t> inline size_t binary_to(uchar const * cur, _uint_t & val);
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template<> inline size_t binary_to(uchar const * cur, double & val);
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template<> inline size_t binary_to(uchar const * cur, float & val);
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template<typename _primitive_t> inline size_t binary_to(uchar const * cur, uchar * val);
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class RawDataToBinaryConvertor;
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class BinaryToCvSeqConvertor;
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/* class */
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class Base64ContextParser
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{
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public:
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explicit Base64ContextParser(uchar * buffer, size_t size);
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~Base64ContextParser();
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Base64ContextParser & read(const uchar * beg, const uchar * end);
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bool flush();
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private:
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static const size_t BUFFER_LEN = 120U;
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uchar * dst_cur;
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uchar * dst_end;
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std::vector<uchar> base64_buffer;
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uchar * src_beg;
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uchar * src_cur;
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uchar * src_end;
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std::vector<uchar> binary_buffer;
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};
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class Base64ContextEmitter;
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class Base64Writer
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{
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public:
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Base64Writer(::CvFileStorage * fs);
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~Base64Writer();
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void write(const void* _data, size_t len, const char* dt);
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template<typename _to_binary_convertor_t> void write(_to_binary_convertor_t & convertor, const char* dt);
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private:
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void check_dt(const char* dt);
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private:
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Base64ContextEmitter * emitter;
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std::string data_type_string;
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};
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/* other */
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std::string make_base64_header(const char * dt);
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bool read_base64_header(std::vector<char> const & header, std::string & dt);
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void make_seq(void * binary_data, int elem_cnt, const char * dt, CvSeq & seq);
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/* sample */
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void cvWriteRawDataBase64(::CvFileStorage* fs, const void* _data, int len, const char* dt);
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}
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static void icvPuts( CvFileStorage* fs, const char* str )
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{
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if( fs->outbuf )
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std::copy(str, str + strlen(str), std::back_inserter(*fs->outbuf));
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else if( fs->file )
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fputs( str, fs->file );
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#if USE_ZLIB
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else if( fs->gzfile )
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gzputs( fs->gzfile, str );
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#endif
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else
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CV_Error( CV_StsError, "The storage is not opened" );
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}
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static char* icvGets( CvFileStorage* fs, char* str, int maxCount )
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{
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if( fs->strbuf )
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{
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size_t i = fs->strbufpos, len = fs->strbufsize;
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int j = 0;
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const char* instr = fs->strbuf;
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while( i < len && j < maxCount-1 )
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{
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char c = instr[i++];
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if( c == '\0' )
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break;
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str[j++] = c;
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if( c == '\n' )
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break;
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}
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str[j++] = '\0';
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fs->strbufpos = i;
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return j > 1 ? str : 0;
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}
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if( fs->file )
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return fgets( str, maxCount, fs->file );
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#if USE_ZLIB
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if( fs->gzfile )
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return gzgets( fs->gzfile, str, maxCount );
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#endif
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CV_Error( CV_StsError, "The storage is not opened" );
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return 0;
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}
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static int icvEof( CvFileStorage* fs )
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{
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if( fs->strbuf )
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return fs->strbufpos >= fs->strbufsize;
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if( fs->file )
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return feof(fs->file);
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#if USE_ZLIB
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if( fs->gzfile )
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return gzeof(fs->gzfile);
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#endif
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return false;
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}
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static void icvCloseFile( CvFileStorage* fs )
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{
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if( fs->file )
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fclose( fs->file );
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#if USE_ZLIB
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else if( fs->gzfile )
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gzclose( fs->gzfile );
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#endif
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fs->file = 0;
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fs->gzfile = 0;
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fs->strbuf = 0;
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fs->strbufpos = 0;
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fs->is_opened = false;
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}
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static void icvRewind( CvFileStorage* fs )
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{
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if( fs->file )
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rewind(fs->file);
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#if USE_ZLIB
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else if( fs->gzfile )
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gzrewind(fs->gzfile);
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#endif
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fs->strbufpos = 0;
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}
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#define CV_YML_INDENT 3
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#define CV_XML_INDENT 2
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#define CV_YML_INDENT_FLOW 1
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#define CV_FS_MAX_LEN 4096
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#define CV_FILE_STORAGE ('Y' + ('A' << 8) + ('M' << 16) + ('L' << 24))
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#define CV_IS_FILE_STORAGE(fs) ((fs) != 0 && (fs)->flags == CV_FILE_STORAGE)
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#define CV_CHECK_FILE_STORAGE(fs) \
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{ \
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if( !CV_IS_FILE_STORAGE(fs) ) \
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CV_Error( (fs) ? CV_StsBadArg : CV_StsNullPtr, \
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"Invalid pointer to file storage" ); \
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}
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#define CV_CHECK_OUTPUT_FILE_STORAGE(fs) \
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{ \
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CV_CHECK_FILE_STORAGE(fs); \
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if( !fs->write_mode ) \
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CV_Error( CV_StsError, "The file storage is opened for reading" ); \
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}
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CV_IMPL const char*
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cvAttrValue( const CvAttrList* attr, const char* attr_name )
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{
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while( attr && attr->attr )
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{
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int i;
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for( i = 0; attr->attr[i*2] != 0; i++ )
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{
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if( strcmp( attr_name, attr->attr[i*2] ) == 0 )
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return attr->attr[i*2+1];
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}
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attr = attr->next;
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}
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return 0;
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}
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static CvGenericHash*
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cvCreateMap( int flags, int header_size, int elem_size,
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CvMemStorage* storage, int start_tab_size )
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|
{
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|
if( header_size < (int)sizeof(CvGenericHash) )
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CV_Error( CV_StsBadSize, "Too small map header_size" );
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|
|
if( start_tab_size <= 0 )
|
|
start_tab_size = 16;
|
|
|
|
CvGenericHash* map = (CvGenericHash*)cvCreateSet( flags, header_size, elem_size, storage );
|
|
|
|
map->tab_size = start_tab_size;
|
|
start_tab_size *= sizeof(map->table[0]);
|
|
map->table = (void**)cvMemStorageAlloc( storage, start_tab_size );
|
|
memset( map->table, 0, start_tab_size );
|
|
|
|
return map;
|
|
}
|
|
|
|
#define CV_PARSE_ERROR( errmsg ) \
|
|
icvParseError( fs, CV_Func, (errmsg), __FILE__, __LINE__ )
|
|
|
|
static void
|
|
icvParseError( CvFileStorage* fs, const char* func_name,
|
|
const char* err_msg, const char* source_file, int source_line )
|
|
{
|
|
char buf[1<<10];
|
|
sprintf( buf, "%s(%d): %s", fs->filename, fs->lineno, err_msg );
|
|
cvError( CV_StsParseError, func_name, buf, source_file, source_line );
|
|
}
|
|
|
|
|
|
static void
|
|
icvFSCreateCollection( CvFileStorage* fs, int tag, CvFileNode* collection )
|
|
{
|
|
if( CV_NODE_IS_MAP(tag) )
|
|
{
|
|
if( collection->tag != CV_NODE_NONE )
|
|
{
|
|
assert( fs->fmt == CV_STORAGE_FORMAT_XML );
|
|
CV_PARSE_ERROR( "Sequence element should not have name (use <_></_>)" );
|
|
}
|
|
|
|
collection->data.map = cvCreateMap( 0, sizeof(CvFileNodeHash),
|
|
sizeof(CvFileMapNode), fs->memstorage, 16 );
|
|
}
|
|
else
|
|
{
|
|
CvSeq* seq;
|
|
seq = cvCreateSeq( 0, sizeof(CvSeq), sizeof(CvFileNode), fs->memstorage );
|
|
|
|
// if <collection> contains some scalar element, add it to the newly created collection
|
|
if( CV_NODE_TYPE(collection->tag) != CV_NODE_NONE )
|
|
cvSeqPush( seq, collection );
|
|
|
|
collection->data.seq = seq;
|
|
}
|
|
|
|
collection->tag = tag;
|
|
cvSetSeqBlockSize( collection->data.seq, 8 );
|
|
}
|
|
|
|
|
|
/*static void
|
|
icvFSReleaseCollection( CvSeq* seq )
|
|
{
|
|
if( seq )
|
|
{
|
|
int is_map = CV_IS_SET(seq);
|
|
CvSeqReader reader;
|
|
int i, total = seq->total;
|
|
cvStartReadSeq( seq, &reader, 0 );
|
|
|
|
for( i = 0; i < total; i++ )
|
|
{
|
|
CvFileNode* node = (CvFileNode*)reader.ptr;
|
|
|
|
if( (!is_map || CV_IS_SET_ELEM( node )) && CV_NODE_IS_COLLECTION(node->tag) )
|
|
{
|
|
if( CV_NODE_IS_USER(node->tag) && node->info && node->data.obj.decoded )
|
|
cvRelease( (void**)&node->data.obj.decoded );
|
|
if( !CV_NODE_SEQ_IS_SIMPLE( node->data.seq ))
|
|
icvFSReleaseCollection( node->data.seq );
|
|
}
|
|
CV_NEXT_SEQ_ELEM( seq->elem_size, reader );
|
|
}
|
|
}
|
|
}*/
|
|
|
|
|
|
static char*
|
|
icvFSDoResize( CvFileStorage* fs, char* ptr, int len )
|
|
{
|
|
char* new_ptr = 0;
|
|
int written_len = (int)(ptr - fs->buffer_start);
|
|
int new_size = (int)((fs->buffer_end - fs->buffer_start)*3/2);
|
|
new_size = MAX( written_len + len, new_size );
|
|
new_ptr = (char*)cvAlloc( new_size + 256 );
|
|
fs->buffer = new_ptr + (fs->buffer - fs->buffer_start);
|
|
if( written_len > 0 )
|
|
memcpy( new_ptr, fs->buffer_start, written_len );
|
|
fs->buffer_start = new_ptr;
|
|
fs->buffer_end = fs->buffer_start + new_size;
|
|
new_ptr += written_len;
|
|
return new_ptr;
|
|
}
|
|
|
|
|
|
inline char* icvFSResizeWriteBuffer( CvFileStorage* fs, char* ptr, int len )
|
|
{
|
|
return ptr + len < fs->buffer_end ? ptr : icvFSDoResize( fs, ptr, len );
|
|
}
|
|
|
|
|
|
static char*
|
|
icvFSFlush( CvFileStorage* fs )
|
|
{
|
|
char* ptr = fs->buffer;
|
|
int indent;
|
|
|
|
if( ptr > fs->buffer_start + fs->space )
|
|
{
|
|
ptr[0] = '\n';
|
|
ptr[1] = '\0';
|
|
icvPuts( fs, fs->buffer_start );
|
|
fs->buffer = fs->buffer_start;
|
|
}
|
|
|
|
indent = fs->struct_indent;
|
|
|
|
if( fs->space != indent )
|
|
{
|
|
memset( fs->buffer_start, ' ', indent );
|
|
fs->space = indent;
|
|
}
|
|
|
|
ptr = fs->buffer = fs->buffer_start + fs->space;
|
|
|
|
return ptr;
|
|
}
|
|
|
|
|
|
static void
|
|
icvClose( CvFileStorage* fs, cv::String* out )
|
|
{
|
|
if( out )
|
|
out->clear();
|
|
|
|
if( !fs )
|
|
CV_Error( CV_StsNullPtr, "NULL double pointer to file storage" );
|
|
|
|
if( fs->is_opened )
|
|
{
|
|
if( fs->write_mode && (fs->file || fs->gzfile || fs->outbuf) )
|
|
{
|
|
if( fs->write_stack )
|
|
{
|
|
while( fs->write_stack->total > 0 )
|
|
cvEndWriteStruct(fs);
|
|
}
|
|
icvFSFlush(fs);
|
|
if( fs->fmt == CV_STORAGE_FORMAT_XML )
|
|
icvPuts( fs, "</opencv_storage>\n" );
|
|
else if ( fs->fmt == CV_STORAGE_FORMAT_JSON )
|
|
icvPuts( fs, "}\n" );
|
|
}
|
|
|
|
icvCloseFile(fs);
|
|
}
|
|
|
|
if( fs->outbuf && out )
|
|
{
|
|
*out = cv::String(fs->outbuf->begin(), fs->outbuf->end());
|
|
}
|
|
}
|
|
|
|
|
|
/* closes file storage and deallocates buffers */
|
|
CV_IMPL void
|
|
cvReleaseFileStorage( CvFileStorage** p_fs )
|
|
{
|
|
if( !p_fs )
|
|
CV_Error( CV_StsNullPtr, "NULL double pointer to file storage" );
|
|
|
|
if( *p_fs )
|
|
{
|
|
CvFileStorage* fs = *p_fs;
|
|
*p_fs = 0;
|
|
|
|
icvClose(fs, 0);
|
|
|
|
cvReleaseMemStorage( &fs->strstorage );
|
|
cvFree( &fs->buffer_start );
|
|
cvReleaseMemStorage( &fs->memstorage );
|
|
|
|
delete fs->outbuf;
|
|
delete fs->base64_writer;
|
|
delete[] fs->delayed_struct_key;
|
|
delete[] fs->delayed_type_name;
|
|
|
|
memset( fs, 0, sizeof(*fs) );
|
|
cvFree( &fs );
|
|
}
|
|
}
|
|
|
|
|
|
#define CV_HASHVAL_SCALE 33
|
|
|
|
CV_IMPL CvStringHashNode*
|
|
cvGetHashedKey( CvFileStorage* fs, const char* str, int len, int create_missing )
|
|
{
|
|
CvStringHashNode* node = 0;
|
|
unsigned hashval = 0;
|
|
int i, tab_size;
|
|
|
|
if( !fs )
|
|
return 0;
|
|
|
|
CvStringHash* map = fs->str_hash;
|
|
|
|
if( len < 0 )
|
|
{
|
|
for( i = 0; str[i] != '\0'; i++ )
|
|
hashval = hashval*CV_HASHVAL_SCALE + (unsigned char)str[i];
|
|
len = i;
|
|
}
|
|
else for( i = 0; i < len; i++ )
|
|
hashval = hashval*CV_HASHVAL_SCALE + (unsigned char)str[i];
|
|
|
|
hashval &= INT_MAX;
|
|
tab_size = map->tab_size;
|
|
if( (tab_size & (tab_size - 1)) == 0 )
|
|
i = (int)(hashval & (tab_size - 1));
|
|
else
|
|
i = (int)(hashval % tab_size);
|
|
|
|
for( node = (CvStringHashNode*)(map->table[i]); node != 0; node = node->next )
|
|
{
|
|
if( node->hashval == hashval &&
|
|
node->str.len == len &&
|
|
memcmp( node->str.ptr, str, len ) == 0 )
|
|
break;
|
|
}
|
|
|
|
if( !node && create_missing )
|
|
{
|
|
node = (CvStringHashNode*)cvSetNew( (CvSet*)map );
|
|
node->hashval = hashval;
|
|
node->str = cvMemStorageAllocString( map->storage, str, len );
|
|
node->next = (CvStringHashNode*)(map->table[i]);
|
|
map->table[i] = node;
|
|
}
|
|
|
|
return node;
|
|
}
|
|
|
|
|
|
CV_IMPL CvFileNode*
|
|
cvGetFileNode( CvFileStorage* fs, CvFileNode* _map_node,
|
|
const CvStringHashNode* key,
|
|
int create_missing )
|
|
{
|
|
CvFileNode* value = 0;
|
|
int k = 0, attempts = 1;
|
|
|
|
if( !fs )
|
|
return 0;
|
|
|
|
CV_CHECK_FILE_STORAGE(fs);
|
|
|
|
if( !key )
|
|
CV_Error( CV_StsNullPtr, "Null key element" );
|
|
|
|
if( _map_node )
|
|
{
|
|
if( !fs->roots )
|
|
return 0;
|
|
attempts = fs->roots->total;
|
|
}
|
|
|
|
for( k = 0; k < attempts; k++ )
|
|
{
|
|
int i, tab_size;
|
|
CvFileNode* map_node = _map_node;
|
|
CvFileMapNode* another;
|
|
CvFileNodeHash* map;
|
|
|
|
if( !map_node )
|
|
map_node = (CvFileNode*)cvGetSeqElem( fs->roots, k );
|
|
|
|
if( !CV_NODE_IS_MAP(map_node->tag) )
|
|
{
|
|
if( (!CV_NODE_IS_SEQ(map_node->tag) || map_node->data.seq->total != 0) &&
|
|
CV_NODE_TYPE(map_node->tag) != CV_NODE_NONE )
|
|
CV_Error( CV_StsError, "The node is neither a map nor an empty collection" );
|
|
return 0;
|
|
}
|
|
|
|
map = map_node->data.map;
|
|
tab_size = map->tab_size;
|
|
|
|
if( (tab_size & (tab_size - 1)) == 0 )
|
|
i = (int)(key->hashval & (tab_size - 1));
|
|
else
|
|
i = (int)(key->hashval % tab_size);
|
|
|
|
for( another = (CvFileMapNode*)(map->table[i]); another != 0; another = another->next )
|
|
if( another->key == key )
|
|
{
|
|
if( !create_missing )
|
|
{
|
|
value = &another->value;
|
|
return value;
|
|
}
|
|
CV_PARSE_ERROR( "Duplicated key" );
|
|
}
|
|
|
|
if( k == attempts - 1 && create_missing )
|
|
{
|
|
CvFileMapNode* node = (CvFileMapNode*)cvSetNew( (CvSet*)map );
|
|
node->key = key;
|
|
|
|
node->next = (CvFileMapNode*)(map->table[i]);
|
|
map->table[i] = node;
|
|
value = (CvFileNode*)node;
|
|
}
|
|
}
|
|
|
|
return value;
|
|
}
|
|
|
|
|
|
CV_IMPL CvFileNode*
|
|
cvGetFileNodeByName( const CvFileStorage* fs, const CvFileNode* _map_node, const char* str )
|
|
{
|
|
CvFileNode* value = 0;
|
|
int i, len, tab_size;
|
|
unsigned hashval = 0;
|
|
int k = 0, attempts = 1;
|
|
|
|
if( !fs )
|
|
return 0;
|
|
|
|
CV_CHECK_FILE_STORAGE(fs);
|
|
|
|
if( !str )
|
|
CV_Error( CV_StsNullPtr, "Null element name" );
|
|
|
|
for( i = 0; str[i] != '\0'; i++ )
|
|
hashval = hashval*CV_HASHVAL_SCALE + (unsigned char)str[i];
|
|
hashval &= INT_MAX;
|
|
len = i;
|
|
|
|
if( !_map_node )
|
|
{
|
|
if( !fs->roots )
|
|
return 0;
|
|
attempts = fs->roots->total;
|
|
}
|
|
|
|
for( k = 0; k < attempts; k++ )
|
|
{
|
|
CvFileNodeHash* map;
|
|
const CvFileNode* map_node = _map_node;
|
|
CvFileMapNode* another;
|
|
|
|
if( !map_node )
|
|
map_node = (CvFileNode*)cvGetSeqElem( fs->roots, k );
|
|
|
|
if( !CV_NODE_IS_MAP(map_node->tag) )
|
|
{
|
|
if( (!CV_NODE_IS_SEQ(map_node->tag) || map_node->data.seq->total != 0) &&
|
|
CV_NODE_TYPE(map_node->tag) != CV_NODE_NONE )
|
|
CV_Error( CV_StsError, "The node is neither a map nor an empty collection" );
|
|
return 0;
|
|
}
|
|
|
|
map = map_node->data.map;
|
|
tab_size = map->tab_size;
|
|
|
|
if( (tab_size & (tab_size - 1)) == 0 )
|
|
i = (int)(hashval & (tab_size - 1));
|
|
else
|
|
i = (int)(hashval % tab_size);
|
|
|
|
for( another = (CvFileMapNode*)(map->table[i]); another != 0; another = another->next )
|
|
{
|
|
const CvStringHashNode* key = another->key;
|
|
|
|
if( key->hashval == hashval &&
|
|
key->str.len == len &&
|
|
memcmp( key->str.ptr, str, len ) == 0 )
|
|
{
|
|
value = &another->value;
|
|
return value;
|
|
}
|
|
}
|
|
}
|
|
|
|
return value;
|
|
}
|
|
|
|
|
|
CV_IMPL CvFileNode*
|
|
cvGetRootFileNode( const CvFileStorage* fs, int stream_index )
|
|
{
|
|
CV_CHECK_FILE_STORAGE(fs);
|
|
|
|
if( !fs->roots || (unsigned)stream_index >= (unsigned)fs->roots->total )
|
|
return 0;
|
|
|
|
return (CvFileNode*)cvGetSeqElem( fs->roots, stream_index );
|
|
}
|
|
|
|
|
|
/* returns the sequence element by its index */
|
|
/*CV_IMPL CvFileNode*
|
|
cvGetFileNodeFromSeq( CvFileStorage* fs,
|
|
CvFileNode* seq_node, int index )
|
|
{
|
|
CvFileNode* value = 0;
|
|
CvSeq* seq;
|
|
|
|
if( !seq_node )
|
|
seq = fs->roots;
|
|
else if( !CV_NODE_IS_SEQ(seq_node->tag) )
|
|
{
|
|
if( CV_NODE_IS_MAP(seq_node->tag) )
|
|
CV_Error( CV_StsError, "The node is map. Use cvGetFileNodeFromMap()." );
|
|
if( CV_NODE_TYPE(seq_node->tag) == CV_NODE_NONE )
|
|
CV_Error( CV_StsError, "The node is an empty object (None)." );
|
|
if( index != 0 && index != -1 )
|
|
CV_Error( CV_StsOutOfRange, "" );
|
|
value = seq_node;
|
|
EXIT;
|
|
}
|
|
else
|
|
seq = seq_node->data.seq;
|
|
|
|
if( !seq )
|
|
CV_Error( CV_StsNullPtr, "The file storage is empty" );
|
|
|
|
value = (CvFileNode*)cvGetSeqElem( seq, index, 0 );
|
|
|
|
|
|
|
|
return value;
|
|
}*/
|
|
|
|
|
|
static char*
|
|
icvDoubleToString( char* buf, double value )
|
|
{
|
|
Cv64suf val;
|
|
unsigned ieee754_hi;
|
|
|
|
val.f = value;
|
|
ieee754_hi = (unsigned)(val.u >> 32);
|
|
|
|
if( (ieee754_hi & 0x7ff00000) != 0x7ff00000 )
|
|
{
|
|
int ivalue = cvRound(value);
|
|
if( ivalue == value )
|
|
sprintf( buf, "%d.", ivalue );
|
|
else
|
|
{
|
|
static const char* fmt = "%.16e";
|
|
char* ptr = buf;
|
|
sprintf( buf, fmt, value );
|
|
if( *ptr == '+' || *ptr == '-' )
|
|
ptr++;
|
|
for( ; cv_isdigit(*ptr); ptr++ )
|
|
;
|
|
if( *ptr == ',' )
|
|
*ptr = '.';
|
|
}
|
|
}
|
|
else
|
|
{
|
|
unsigned ieee754_lo = (unsigned)val.u;
|
|
if( (ieee754_hi & 0x7fffffff) + (ieee754_lo != 0) > 0x7ff00000 )
|
|
strcpy( buf, ".Nan" );
|
|
else
|
|
strcpy( buf, (int)ieee754_hi < 0 ? "-.Inf" : ".Inf" );
|
|
}
|
|
|
|
return buf;
|
|
}
|
|
|
|
|
|
static char*
|
|
icvFloatToString( char* buf, float value )
|
|
{
|
|
Cv32suf val;
|
|
unsigned ieee754;
|
|
val.f = value;
|
|
ieee754 = val.u;
|
|
|
|
if( (ieee754 & 0x7f800000) != 0x7f800000 )
|
|
{
|
|
int ivalue = cvRound(value);
|
|
if( ivalue == value )
|
|
sprintf( buf, "%d.", ivalue );
|
|
else
|
|
{
|
|
static const char* fmt = "%.8e";
|
|
char* ptr = buf;
|
|
sprintf( buf, fmt, value );
|
|
if( *ptr == '+' || *ptr == '-' )
|
|
ptr++;
|
|
for( ; cv_isdigit(*ptr); ptr++ )
|
|
;
|
|
if( *ptr == ',' )
|
|
*ptr = '.';
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if( (ieee754 & 0x7fffffff) != 0x7f800000 )
|
|
strcpy( buf, ".Nan" );
|
|
else
|
|
strcpy( buf, (int)ieee754 < 0 ? "-.Inf" : ".Inf" );
|
|
}
|
|
|
|
return buf;
|
|
}
|
|
|
|
|
|
static void
|
|
icvProcessSpecialDouble( CvFileStorage* fs, char* buf, double* value, char** endptr )
|
|
{
|
|
char c = buf[0];
|
|
int inf_hi = 0x7ff00000;
|
|
|
|
if( c == '-' || c == '+' )
|
|
{
|
|
inf_hi = c == '-' ? 0xfff00000 : 0x7ff00000;
|
|
c = *++buf;
|
|
}
|
|
|
|
if( c != '.' )
|
|
CV_PARSE_ERROR( "Bad format of floating-point constant" );
|
|
|
|
union{double d; uint64 i;} v;
|
|
v.d = 0.;
|
|
if( toupper(buf[1]) == 'I' && toupper(buf[2]) == 'N' && toupper(buf[3]) == 'F' )
|
|
v.i = (uint64)inf_hi << 32;
|
|
else if( toupper(buf[1]) == 'N' && toupper(buf[2]) == 'A' && toupper(buf[3]) == 'N' )
|
|
v.i = (uint64)-1;
|
|
else
|
|
CV_PARSE_ERROR( "Bad format of floating-point constant" );
|
|
*value = v.d;
|
|
|
|
*endptr = buf + 4;
|
|
}
|
|
|
|
|
|
static double icv_strtod( CvFileStorage* fs, char* ptr, char** endptr )
|
|
{
|
|
double fval = strtod( ptr, endptr );
|
|
if( **endptr == '.' )
|
|
{
|
|
char* dot_pos = *endptr;
|
|
*dot_pos = ',';
|
|
double fval2 = strtod( ptr, endptr );
|
|
*dot_pos = '.';
|
|
if( *endptr > dot_pos )
|
|
fval = fval2;
|
|
else
|
|
*endptr = dot_pos;
|
|
}
|
|
|
|
if( *endptr == ptr || cv_isalpha(**endptr) )
|
|
icvProcessSpecialDouble( fs, ptr, &fval, endptr );
|
|
|
|
return fval;
|
|
}
|
|
|
|
// this function will convert "aa?bb&cc&dd" to {"aa", "bb", "cc", "dd"}
|
|
static std::vector<std::string> analyze_file_name( std::string const & file_name )
|
|
{
|
|
static const char not_file_name = '\n';
|
|
static const char parameter_begin = '?';
|
|
static const char parameter_separator = '&';
|
|
std::vector<std::string> result;
|
|
|
|
if ( file_name.find(not_file_name, 0U) != std::string::npos )
|
|
return result;
|
|
|
|
size_t beg = file_name.find_last_of(parameter_begin);
|
|
size_t end = file_name.size();
|
|
result.push_back(file_name.substr(0U, beg));
|
|
|
|
if ( beg != std::string::npos )
|
|
{
|
|
beg ++;
|
|
for ( size_t param_beg = beg, param_end = beg;
|
|
param_end < end;
|
|
param_beg = param_end + 1U )
|
|
{
|
|
param_end = file_name.find_first_of( parameter_separator, param_beg );
|
|
if ( (param_end == std::string::npos || param_end != param_beg) && param_beg + 1U < end )
|
|
{
|
|
result.push_back( file_name.substr( param_beg, param_end - param_beg ) );
|
|
}
|
|
}
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
static bool is_param_exist( const std::vector<std::string> & params, const std::string & param )
|
|
{
|
|
if ( params.size() < 2U )
|
|
return false;
|
|
|
|
return std::find(params.begin(), params.end(), param) != params.end();
|
|
}
|
|
|
|
static void switch_to_Base64_state( CvFileStorage* fs, base64::fs::State state )
|
|
{
|
|
const char * err_unkonwn_state = "Unexpected error, unable to determine the Base64 state.";
|
|
const char * err_unable_to_switch = "Unexpected error, unable to switch to this state.";
|
|
|
|
/* like a finite state machine */
|
|
switch (fs->state_of_writing_base64)
|
|
{
|
|
case base64::fs::Uncertain:
|
|
switch (state)
|
|
{
|
|
case base64::fs::InUse:
|
|
CV_DbgAssert( fs->base64_writer == 0 );
|
|
fs->base64_writer = new base64::Base64Writer( fs );
|
|
break;
|
|
case base64::fs::Uncertain:
|
|
break;
|
|
case base64::fs::NotUse:
|
|
break;
|
|
default:
|
|
CV_Error( CV_StsError, err_unkonwn_state );
|
|
break;
|
|
}
|
|
break;
|
|
case base64::fs::InUse:
|
|
switch (state)
|
|
{
|
|
case base64::fs::InUse:
|
|
case base64::fs::NotUse:
|
|
CV_Error( CV_StsError, err_unable_to_switch );
|
|
break;
|
|
case base64::fs::Uncertain:
|
|
delete fs->base64_writer;
|
|
fs->base64_writer = 0;
|
|
break;
|
|
default:
|
|
CV_Error( CV_StsError, err_unkonwn_state );
|
|
break;
|
|
}
|
|
break;
|
|
case base64::fs::NotUse:
|
|
switch (state)
|
|
{
|
|
case base64::fs::InUse:
|
|
case base64::fs::NotUse:
|
|
CV_Error( CV_StsError, err_unable_to_switch );
|
|
break;
|
|
case base64::fs::Uncertain:
|
|
break;
|
|
default:
|
|
CV_Error( CV_StsError, err_unkonwn_state );
|
|
break;
|
|
}
|
|
break;
|
|
default:
|
|
CV_Error( CV_StsError, err_unkonwn_state );
|
|
break;
|
|
}
|
|
|
|
fs->state_of_writing_base64 = state;
|
|
}
|
|
|
|
|
|
static void check_if_write_struct_is_delayed( CvFileStorage* fs, bool change_type_to_base64 = false )
|
|
{
|
|
if ( fs->is_write_struct_delayed )
|
|
{
|
|
/* save data to prevent recursive call errors */
|
|
std::string struct_key;
|
|
std::string type_name;
|
|
int struct_flags = fs->delayed_struct_flags;
|
|
|
|
if ( fs->delayed_struct_key != 0 && *fs->delayed_struct_key != '\0' )
|
|
{
|
|
struct_key.assign(fs->delayed_struct_key);
|
|
}
|
|
if ( fs->delayed_type_name != 0 && *fs->delayed_type_name != '\0' )
|
|
{
|
|
type_name.assign(fs->delayed_type_name);
|
|
}
|
|
|
|
/* reset */
|
|
delete[] fs->delayed_struct_key;
|
|
delete[] fs->delayed_type_name;
|
|
fs->delayed_struct_key = 0;
|
|
fs->delayed_struct_flags = 0;
|
|
fs->delayed_type_name = 0;
|
|
|
|
fs->is_write_struct_delayed = false;
|
|
|
|
/* call */
|
|
if ( change_type_to_base64 )
|
|
{
|
|
fs->start_write_struct( fs, struct_key.c_str(), struct_flags, "binary");
|
|
if ( fs->state_of_writing_base64 != base64::fs::Uncertain )
|
|
switch_to_Base64_state( fs, base64::fs::Uncertain );
|
|
switch_to_Base64_state( fs, base64::fs::InUse );
|
|
}
|
|
else
|
|
{
|
|
fs->start_write_struct( fs, struct_key.c_str(), struct_flags, type_name.c_str());
|
|
if ( fs->state_of_writing_base64 != base64::fs::Uncertain )
|
|
switch_to_Base64_state( fs, base64::fs::Uncertain );
|
|
switch_to_Base64_state( fs, base64::fs::NotUse );
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
static void make_write_struct_delayed(
|
|
CvFileStorage* fs,
|
|
const char* key,
|
|
int struct_flags,
|
|
const char* type_name )
|
|
{
|
|
CV_Assert( fs->is_write_struct_delayed == false );
|
|
CV_DbgAssert( fs->delayed_struct_key == 0 );
|
|
CV_DbgAssert( fs->delayed_struct_flags == 0 );
|
|
CV_DbgAssert( fs->delayed_type_name == 0 );
|
|
|
|
fs->delayed_struct_flags = struct_flags;
|
|
|
|
if ( key != 0 )
|
|
{
|
|
fs->delayed_struct_key = new char[strlen(key) + 1U];
|
|
strcpy(fs->delayed_struct_key, key);
|
|
}
|
|
|
|
if ( type_name != 0 )
|
|
{
|
|
fs->delayed_type_name = new char[strlen(type_name) + 1U];
|
|
strcpy(fs->delayed_type_name, type_name);
|
|
}
|
|
|
|
fs->is_write_struct_delayed = true;
|
|
}
|
|
|
|
static const size_t PARSER_BASE64_BUFFER_SIZE = 1024U * 1024U / 8U;
|
|
|
|
/****************************************************************************************\
|
|
* YAML Parser *
|
|
\****************************************************************************************/
|
|
|
|
static char*
|
|
icvYMLSkipSpaces( CvFileStorage* fs, char* ptr, int min_indent, int max_comment_indent )
|
|
{
|
|
for(;;)
|
|
{
|
|
while( *ptr == ' ' )
|
|
ptr++;
|
|
if( *ptr == '#' )
|
|
{
|
|
if( ptr - fs->buffer_start > max_comment_indent )
|
|
return ptr;
|
|
*ptr = '\0';
|
|
}
|
|
else if( cv_isprint(*ptr) )
|
|
{
|
|
if( ptr - fs->buffer_start < min_indent )
|
|
CV_PARSE_ERROR( "Incorrect indentation" );
|
|
break;
|
|
}
|
|
else if( *ptr == '\0' || *ptr == '\n' || *ptr == '\r' )
|
|
{
|
|
int max_size = (int)(fs->buffer_end - fs->buffer_start);
|
|
ptr = icvGets( fs, fs->buffer_start, max_size );
|
|
if( !ptr )
|
|
{
|
|
// emulate end of stream
|
|
ptr = fs->buffer_start;
|
|
ptr[0] = ptr[1] = ptr[2] = '.';
|
|
ptr[3] = '\0';
|
|
fs->dummy_eof = 1;
|
|
break;
|
|
}
|
|
else
|
|
{
|
|
int l = (int)strlen(ptr);
|
|
if( ptr[l-1] != '\n' && ptr[l-1] != '\r' && !icvEof(fs) )
|
|
CV_PARSE_ERROR( "Too long string or a last string w/o newline" );
|
|
}
|
|
|
|
fs->lineno++;
|
|
}
|
|
else
|
|
CV_PARSE_ERROR( *ptr == '\t' ? "Tabs are prohibited in YAML!" : "Invalid character" );
|
|
}
|
|
|
|
return ptr;
|
|
}
|
|
|
|
|
|
static void icvYMLGetMultilineStringContent(CvFileStorage* fs,
|
|
char* ptr, int indent, char* &beg, char* &end)
|
|
{
|
|
ptr = icvYMLSkipSpaces(fs, ptr, 0, INT_MAX);
|
|
beg = ptr;
|
|
end = ptr;
|
|
if (fs->dummy_eof)
|
|
return ; /* end of file */
|
|
|
|
if (ptr - fs->buffer_start != indent)
|
|
return ; /* end of string */
|
|
|
|
/* find end */
|
|
while(cv_isprint(*ptr)) /* no check for base64 string */
|
|
++ ptr;
|
|
if (*ptr == '\0')
|
|
CV_PARSE_ERROR("Unexpected end of line");
|
|
|
|
end = ptr;
|
|
}
|
|
|
|
static int icvCalcStructSize( const char* dt, int initial_size );
|
|
|
|
static char* icvYMLParseBase64(CvFileStorage* fs, char* ptr, int indent, CvFileNode * node)
|
|
{
|
|
char * beg = 0;
|
|
char * end = 0;
|
|
|
|
icvYMLGetMultilineStringContent(fs, ptr, indent, beg, end);
|
|
if (beg >= end)
|
|
return end; // CV_PARSE_ERROR("Empty Binary Data");
|
|
|
|
/* calc (decoded) total_byte_size from header */
|
|
std::string dt;
|
|
{
|
|
if (end - beg < static_cast<int>(base64::ENCODED_HEADER_SIZE))
|
|
CV_PARSE_ERROR("Unrecognized Base64 header");
|
|
|
|
std::vector<char> header(base64::HEADER_SIZE + 1, ' ');
|
|
base64::base64_decode(beg, header.data(), 0U, base64::ENCODED_HEADER_SIZE);
|
|
if ( !base64::read_base64_header(header, dt) || dt.empty() )
|
|
CV_PARSE_ERROR("Invalid `dt` in Base64 header");
|
|
|
|
beg += base64::ENCODED_HEADER_SIZE;
|
|
}
|
|
|
|
/* get all Base64 data */
|
|
std::string base64_buffer;
|
|
base64_buffer.reserve( PARSER_BASE64_BUFFER_SIZE );
|
|
while( beg < end )
|
|
{
|
|
base64_buffer.append( beg, end );
|
|
beg = end;
|
|
icvYMLGetMultilineStringContent( fs, beg, indent, beg, end );
|
|
}
|
|
if ( !base64::base64_valid(base64_buffer.data(), 0U, base64_buffer.size()) )
|
|
CV_PARSE_ERROR( "Invalid Base64 data." );
|
|
|
|
/* buffer for decoded data(exclude header) */
|
|
std::vector<uchar> binary_buffer( base64::base64_decode_buffer_size(base64_buffer.size()) );
|
|
int total_byte_size = static_cast<int>(
|
|
base64::base64_decode_buffer_size( base64_buffer.size(), base64_buffer.data(), false )
|
|
);
|
|
{
|
|
base64::Base64ContextParser parser(binary_buffer.data(), binary_buffer.size() );
|
|
const uchar * buffer_beg = reinterpret_cast<const uchar *>( base64_buffer.data() );
|
|
const uchar * buffer_end = buffer_beg + base64_buffer.size();
|
|
parser.read( buffer_beg, buffer_end );
|
|
parser.flush();
|
|
}
|
|
|
|
/* save as CvSeq */
|
|
int elem_size = ::icvCalcStructSize(dt.c_str(), 0);
|
|
if (total_byte_size % elem_size != 0)
|
|
CV_PARSE_ERROR("Byte size not match elememt size");
|
|
int elem_cnt = total_byte_size / elem_size;
|
|
|
|
node->tag = CV_NODE_NONE;
|
|
int struct_flags = CV_NODE_FLOW | CV_NODE_SEQ;
|
|
/* after icvFSCreateCollection, node->tag == struct_flags */
|
|
icvFSCreateCollection(fs, struct_flags, node);
|
|
base64::make_seq(binary_buffer.data(), elem_cnt, dt.c_str(), *node->data.seq);
|
|
|
|
if (fs->dummy_eof) {
|
|
/* end of file */
|
|
return fs->buffer_start;
|
|
} else {
|
|
/* end of line */
|
|
return end;
|
|
}
|
|
}
|
|
|
|
|
|
static char*
|
|
icvYMLParseKey( CvFileStorage* fs, char* ptr,
|
|
CvFileNode* map_node, CvFileNode** value_placeholder )
|
|
{
|
|
char c;
|
|
char *endptr = ptr - 1, *saveptr;
|
|
CvStringHashNode* str_hash_node;
|
|
|
|
if( *ptr == '-' )
|
|
CV_PARSE_ERROR( "Key may not start with \'-\'" );
|
|
|
|
do c = *++endptr;
|
|
while( cv_isprint(c) && c != ':' );
|
|
|
|
if( c != ':' )
|
|
CV_PARSE_ERROR( "Missing \':\'" );
|
|
|
|
saveptr = endptr + 1;
|
|
do c = *--endptr;
|
|
while( c == ' ' );
|
|
|
|
++endptr;
|
|
if( endptr == ptr )
|
|
CV_PARSE_ERROR( "An empty key" );
|
|
|
|
str_hash_node = cvGetHashedKey( fs, ptr, (int)(endptr - ptr), 1 );
|
|
*value_placeholder = cvGetFileNode( fs, map_node, str_hash_node, 1 );
|
|
ptr = saveptr;
|
|
|
|
return ptr;
|
|
}
|
|
|
|
|
|
static char*
|
|
icvYMLParseValue( CvFileStorage* fs, char* ptr, CvFileNode* node,
|
|
int parent_flags, int min_indent )
|
|
{
|
|
char buf[CV_FS_MAX_LEN + 1024];
|
|
char* endptr = 0;
|
|
char c = ptr[0], d = ptr[1];
|
|
int is_parent_flow = CV_NODE_IS_FLOW(parent_flags);
|
|
int value_type = CV_NODE_NONE;
|
|
int len;
|
|
bool is_binary_string = false;
|
|
|
|
memset( node, 0, sizeof(*node) );
|
|
|
|
if( c == '!' ) // handle explicit type specification
|
|
{
|
|
if( d == '!' || d == '^' )
|
|
{
|
|
ptr++;
|
|
value_type |= CV_NODE_USER;
|
|
}
|
|
if ( d == '<') //support of full type heading from YAML 1.2
|
|
{
|
|
const char* yamlTypeHeading = "<tag:yaml.org,2002:";
|
|
const size_t headingLenght = strlen(yamlTypeHeading);
|
|
|
|
char* typeEndPtr = ++ptr;
|
|
|
|
do d = *++typeEndPtr;
|
|
while( cv_isprint(d) && d != ' ' && d != '>' );
|
|
|
|
if ( d == '>' && (size_t)(typeEndPtr - ptr) > headingLenght )
|
|
{
|
|
if ( memcmp(ptr, yamlTypeHeading, headingLenght) == 0 )
|
|
{
|
|
value_type |= CV_NODE_USER;
|
|
*typeEndPtr = ' ';
|
|
ptr += headingLenght - 1;
|
|
}
|
|
}
|
|
}
|
|
|
|
endptr = ptr++;
|
|
do d = *++endptr;
|
|
while( cv_isprint(d) && d != ' ' );
|
|
len = (int)(endptr - ptr);
|
|
if( len == 0 )
|
|
CV_PARSE_ERROR( "Empty type name" );
|
|
d = *endptr;
|
|
*endptr = '\0';
|
|
|
|
if( len == 3 && !CV_NODE_IS_USER(value_type) )
|
|
{
|
|
if( memcmp( ptr, "str", 3 ) == 0 )
|
|
value_type = CV_NODE_STRING;
|
|
else if( memcmp( ptr, "int", 3 ) == 0 )
|
|
value_type = CV_NODE_INT;
|
|
else if( memcmp( ptr, "seq", 3 ) == 0 )
|
|
value_type = CV_NODE_SEQ;
|
|
else if( memcmp( ptr, "map", 3 ) == 0 )
|
|
value_type = CV_NODE_MAP;
|
|
}
|
|
else if( len == 5 && !CV_NODE_IS_USER(value_type) )
|
|
{
|
|
if( memcmp( ptr, "float", 5 ) == 0 )
|
|
value_type = CV_NODE_REAL;
|
|
}
|
|
else if (len == 6 && CV_NODE_IS_USER(value_type))
|
|
{
|
|
if( memcmp( ptr, "binary", 6 ) == 0 ) {
|
|
value_type = CV_NODE_SEQ;
|
|
is_binary_string = true;
|
|
|
|
/* for ignore '|' */
|
|
|
|
/**** operation with endptr ****/
|
|
*endptr = d;
|
|
|
|
do {
|
|
d = *++endptr;
|
|
if (d == '|')
|
|
break;
|
|
} while (d == ' ');
|
|
|
|
d = *++endptr;
|
|
*endptr = '\0';
|
|
}
|
|
}
|
|
else if( CV_NODE_IS_USER(value_type) )
|
|
{
|
|
node->info = cvFindType( ptr );
|
|
if( !node->info )
|
|
node->tag &= ~CV_NODE_USER;
|
|
}
|
|
|
|
*endptr = d;
|
|
ptr = icvYMLSkipSpaces( fs, endptr, min_indent, INT_MAX );
|
|
|
|
c = *ptr;
|
|
|
|
if( !CV_NODE_IS_USER(value_type) )
|
|
{
|
|
if (value_type == CV_NODE_STRING && c != '\'' && c != '\"')
|
|
goto force_string;
|
|
if( value_type == CV_NODE_INT )
|
|
goto force_int;
|
|
if( value_type == CV_NODE_REAL )
|
|
goto force_real;
|
|
}
|
|
}
|
|
|
|
if (is_binary_string)
|
|
{
|
|
/* for base64 string */
|
|
int indent = static_cast<int>(ptr - fs->buffer_start);
|
|
ptr = icvYMLParseBase64(fs, ptr, indent, node);
|
|
}
|
|
else if( cv_isdigit(c) ||
|
|
((c == '-' || c == '+') && (cv_isdigit(d) || d == '.')) ||
|
|
(c == '.' && cv_isalnum(d))) // a number
|
|
{
|
|
double fval;
|
|
int ival;
|
|
endptr = ptr + (c == '-' || c == '+');
|
|
while( cv_isdigit(*endptr) )
|
|
endptr++;
|
|
if( *endptr == '.' || *endptr == 'e' )
|
|
{
|
|
force_real:
|
|
fval = icv_strtod( fs, ptr, &endptr );
|
|
/*if( endptr == ptr || cv_isalpha(*endptr) )
|
|
icvProcessSpecialDouble( fs, endptr, &fval, &endptr ));*/
|
|
|
|
node->tag = CV_NODE_REAL;
|
|
node->data.f = fval;
|
|
}
|
|
else
|
|
{
|
|
force_int:
|
|
ival = (int)strtol( ptr, &endptr, 0 );
|
|
node->tag = CV_NODE_INT;
|
|
node->data.i = ival;
|
|
}
|
|
|
|
if( !endptr || endptr == ptr )
|
|
CV_PARSE_ERROR( "Invalid numeric value (inconsistent explicit type specification?)" );
|
|
|
|
ptr = endptr;
|
|
}
|
|
else if( c == '\'' || c == '\"' ) // an explicit string
|
|
{
|
|
node->tag = CV_NODE_STRING;
|
|
if( c == '\'' )
|
|
for( len = 0; len < CV_FS_MAX_LEN; )
|
|
{
|
|
c = *++ptr;
|
|
if( cv_isalnum(c) || (c != '\'' && cv_isprint(c)))
|
|
buf[len++] = c;
|
|
else if( c == '\'' )
|
|
{
|
|
c = *++ptr;
|
|
if( c != '\'' )
|
|
break;
|
|
buf[len++] = c;
|
|
}
|
|
else
|
|
CV_PARSE_ERROR( "Invalid character" );
|
|
}
|
|
else
|
|
for( len = 0; len < CV_FS_MAX_LEN; )
|
|
{
|
|
c = *++ptr;
|
|
if( cv_isalnum(c) || (c != '\\' && c != '\"' && cv_isprint(c)))
|
|
buf[len++] = c;
|
|
else if( c == '\"' )
|
|
{
|
|
++ptr;
|
|
break;
|
|
}
|
|
else if( c == '\\' )
|
|
{
|
|
d = *++ptr;
|
|
if( d == '\'' )
|
|
buf[len++] = d;
|
|
else if( d == '\"' || d == '\\' || d == '\'' )
|
|
buf[len++] = d;
|
|
else if( d == 'n' )
|
|
buf[len++] = '\n';
|
|
else if( d == 'r' )
|
|
buf[len++] = '\r';
|
|
else if( d == 't' )
|
|
buf[len++] = '\t';
|
|
else if( d == 'x' || (cv_isdigit(d) && d < '8') )
|
|
{
|
|
int val, is_hex = d == 'x';
|
|
c = ptr[3];
|
|
ptr[3] = '\0';
|
|
val = (int)strtol( ptr + is_hex, &endptr, is_hex ? 8 : 16 );
|
|
ptr[3] = c;
|
|
if( endptr == ptr + is_hex )
|
|
buf[len++] = 'x';
|
|
else
|
|
{
|
|
buf[len++] = (char)val;
|
|
ptr = endptr;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
CV_PARSE_ERROR( "Invalid character" );
|
|
}
|
|
|
|
if( len >= CV_FS_MAX_LEN )
|
|
CV_PARSE_ERROR( "Too long string literal" );
|
|
|
|
node->data.str = cvMemStorageAllocString( fs->memstorage, buf, len );
|
|
}
|
|
else if( c == '[' || c == '{' ) // collection as a flow
|
|
{
|
|
int new_min_indent = min_indent + !is_parent_flow;
|
|
int struct_flags = CV_NODE_FLOW + (c == '{' ? CV_NODE_MAP : CV_NODE_SEQ);
|
|
int is_simple = 1;
|
|
|
|
icvFSCreateCollection( fs, CV_NODE_TYPE(struct_flags) +
|
|
(node->info ? CV_NODE_USER : 0), node );
|
|
|
|
d = c == '[' ? ']' : '}';
|
|
|
|
for( ++ptr ;;)
|
|
{
|
|
CvFileNode* elem = 0;
|
|
|
|
ptr = icvYMLSkipSpaces( fs, ptr, new_min_indent, INT_MAX );
|
|
if( *ptr == '}' || *ptr == ']' )
|
|
{
|
|
if( *ptr != d )
|
|
CV_PARSE_ERROR( "The wrong closing bracket" );
|
|
ptr++;
|
|
break;
|
|
}
|
|
|
|
if( node->data.seq->total != 0 )
|
|
{
|
|
if( *ptr != ',' )
|
|
CV_PARSE_ERROR( "Missing , between the elements" );
|
|
ptr = icvYMLSkipSpaces( fs, ptr + 1, new_min_indent, INT_MAX );
|
|
}
|
|
|
|
if( CV_NODE_IS_MAP(struct_flags) )
|
|
{
|
|
ptr = icvYMLParseKey( fs, ptr, node, &elem );
|
|
ptr = icvYMLSkipSpaces( fs, ptr, new_min_indent, INT_MAX );
|
|
}
|
|
else
|
|
{
|
|
if( *ptr == ']' )
|
|
break;
|
|
elem = (CvFileNode*)cvSeqPush( node->data.seq, 0 );
|
|
}
|
|
ptr = icvYMLParseValue( fs, ptr, elem, struct_flags, new_min_indent );
|
|
if( CV_NODE_IS_MAP(struct_flags) )
|
|
elem->tag |= CV_NODE_NAMED;
|
|
is_simple &= !CV_NODE_IS_COLLECTION(elem->tag);
|
|
}
|
|
node->data.seq->flags |= is_simple ? CV_NODE_SEQ_SIMPLE : 0;
|
|
}
|
|
else
|
|
{
|
|
int indent, struct_flags, is_simple;
|
|
|
|
if( is_parent_flow || c != '-' )
|
|
{
|
|
// implicit (one-line) string or nested block-style collection
|
|
if( !is_parent_flow )
|
|
{
|
|
if( c == '?' )
|
|
CV_PARSE_ERROR( "Complex keys are not supported" );
|
|
if( c == '|' || c == '>' )
|
|
CV_PARSE_ERROR( "Multi-line text literals are not supported" );
|
|
}
|
|
|
|
force_string:
|
|
endptr = ptr - 1;
|
|
|
|
do c = *++endptr;
|
|
while( cv_isprint(c) &&
|
|
(!is_parent_flow || (c != ',' && c != '}' && c != ']')) &&
|
|
(is_parent_flow || c != ':' || value_type == CV_NODE_STRING));
|
|
|
|
if( endptr == ptr )
|
|
CV_PARSE_ERROR( "Invalid character" );
|
|
|
|
if( is_parent_flow || c != ':' )
|
|
{
|
|
char* str_end = endptr;
|
|
node->tag = CV_NODE_STRING;
|
|
// strip spaces in the end of string
|
|
do c = *--str_end;
|
|
while( str_end > ptr && c == ' ' );
|
|
str_end++;
|
|
node->data.str = cvMemStorageAllocString( fs->memstorage, ptr, (int)(str_end - ptr) );
|
|
ptr = endptr;
|
|
return ptr;
|
|
}
|
|
struct_flags = CV_NODE_MAP;
|
|
}
|
|
else
|
|
struct_flags = CV_NODE_SEQ;
|
|
|
|
icvFSCreateCollection( fs, struct_flags +
|
|
(node->info ? CV_NODE_USER : 0), node );
|
|
|
|
indent = (int)(ptr - fs->buffer_start);
|
|
is_simple = 1;
|
|
|
|
for(;;)
|
|
{
|
|
CvFileNode* elem = 0;
|
|
|
|
if( CV_NODE_IS_MAP(struct_flags) )
|
|
{
|
|
ptr = icvYMLParseKey( fs, ptr, node, &elem );
|
|
}
|
|
else
|
|
{
|
|
c = *ptr++;
|
|
if( c != '-' )
|
|
CV_PARSE_ERROR( "Block sequence elements must be preceded with \'-\'" );
|
|
|
|
elem = (CvFileNode*)cvSeqPush( node->data.seq, 0 );
|
|
}
|
|
|
|
ptr = icvYMLSkipSpaces( fs, ptr, indent + 1, INT_MAX );
|
|
ptr = icvYMLParseValue( fs, ptr, elem, struct_flags, indent + 1 );
|
|
if( CV_NODE_IS_MAP(struct_flags) )
|
|
elem->tag |= CV_NODE_NAMED;
|
|
is_simple &= !CV_NODE_IS_COLLECTION(elem->tag);
|
|
|
|
ptr = icvYMLSkipSpaces( fs, ptr, 0, INT_MAX );
|
|
if( ptr - fs->buffer_start != indent )
|
|
{
|
|
if( ptr - fs->buffer_start < indent )
|
|
break;
|
|
else
|
|
CV_PARSE_ERROR( "Incorrect indentation" );
|
|
}
|
|
if( memcmp( ptr, "...", 3 ) == 0 )
|
|
break;
|
|
}
|
|
|
|
node->data.seq->flags |= is_simple ? CV_NODE_SEQ_SIMPLE : 0;
|
|
}
|
|
|
|
return ptr;
|
|
}
|
|
|
|
|
|
static void
|
|
icvYMLParse( CvFileStorage* fs )
|
|
{
|
|
char* ptr = fs->buffer_start;
|
|
int is_first = 1;
|
|
|
|
for(;;)
|
|
{
|
|
// 0. skip leading comments and directives and ...
|
|
// 1. reach the first item
|
|
for(;;)
|
|
{
|
|
ptr = icvYMLSkipSpaces( fs, ptr, 0, INT_MAX );
|
|
if( !ptr )
|
|
return;
|
|
|
|
if( *ptr == '%' )
|
|
{
|
|
if( memcmp( ptr, "%YAML", 5 ) == 0 &&
|
|
memcmp( ptr, "%YAML:1.", 8 ) != 0 &&
|
|
memcmp( ptr, "%YAML 1.", 8 ) != 0)
|
|
CV_PARSE_ERROR( "Unsupported YAML version (it must be 1.x)" );
|
|
*ptr = '\0';
|
|
}
|
|
else if( *ptr == '-' )
|
|
{
|
|
if( memcmp(ptr, "---", 3) == 0 )
|
|
{
|
|
ptr += 3;
|
|
break;
|
|
}
|
|
else if( is_first )
|
|
break;
|
|
}
|
|
else if( cv_isalnum(*ptr) || *ptr=='_')
|
|
{
|
|
if( !is_first )
|
|
CV_PARSE_ERROR( "The YAML streams must start with '---', except the first one" );
|
|
break;
|
|
}
|
|
else if( fs->dummy_eof )
|
|
break;
|
|
else
|
|
CV_PARSE_ERROR( "Invalid or unsupported syntax" );
|
|
}
|
|
|
|
ptr = icvYMLSkipSpaces( fs, ptr, 0, INT_MAX );
|
|
if( memcmp( ptr, "...", 3 ) != 0 )
|
|
{
|
|
// 2. parse the collection
|
|
CvFileNode* root_node = (CvFileNode*)cvSeqPush( fs->roots, 0 );
|
|
|
|
ptr = icvYMLParseValue( fs, ptr, root_node, CV_NODE_NONE, 0 );
|
|
if( !CV_NODE_IS_COLLECTION(root_node->tag) )
|
|
CV_PARSE_ERROR( "Only collections as YAML streams are supported by this parser" );
|
|
|
|
// 3. parse until the end of file or next collection
|
|
ptr = icvYMLSkipSpaces( fs, ptr, 0, INT_MAX );
|
|
if( !ptr )
|
|
return;
|
|
}
|
|
|
|
if( fs->dummy_eof )
|
|
break;
|
|
ptr += 3;
|
|
is_first = 0;
|
|
}
|
|
}
|
|
|
|
|
|
/****************************************************************************************\
|
|
* YAML Emitter *
|
|
\****************************************************************************************/
|
|
|
|
static void
|
|
icvYMLWrite( CvFileStorage* fs, const char* key, const char* data )
|
|
{
|
|
check_if_write_struct_is_delayed( fs );
|
|
if ( fs->state_of_writing_base64 == base64::fs::Uncertain )
|
|
{
|
|
switch_to_Base64_state( fs, base64::fs::NotUse );
|
|
}
|
|
else if ( fs->state_of_writing_base64 == base64::fs::InUse )
|
|
{
|
|
CV_Error( CV_StsError, "At present, output Base64 data only." );
|
|
}
|
|
|
|
int i, keylen = 0;
|
|
int datalen = 0;
|
|
int struct_flags;
|
|
char* ptr;
|
|
|
|
struct_flags = fs->struct_flags;
|
|
|
|
if( key && key[0] == '\0' )
|
|
key = 0;
|
|
|
|
if( CV_NODE_IS_COLLECTION(struct_flags) )
|
|
{
|
|
if( (CV_NODE_IS_MAP(struct_flags) ^ (key != 0)) )
|
|
CV_Error( CV_StsBadArg, "An attempt to add element without a key to a map, "
|
|
"or add element with key to sequence" );
|
|
}
|
|
else
|
|
{
|
|
fs->is_first = 0;
|
|
struct_flags = CV_NODE_EMPTY | (key ? CV_NODE_MAP : CV_NODE_SEQ);
|
|
}
|
|
|
|
if( key )
|
|
{
|
|
keylen = (int)strlen(key);
|
|
if( keylen == 0 )
|
|
CV_Error( CV_StsBadArg, "The key is an empty" );
|
|
|
|
if( keylen > CV_FS_MAX_LEN )
|
|
CV_Error( CV_StsBadArg, "The key is too long" );
|
|
}
|
|
|
|
if( data )
|
|
datalen = (int)strlen(data);
|
|
|
|
if( CV_NODE_IS_FLOW(struct_flags) )
|
|
{
|
|
int new_offset;
|
|
ptr = fs->buffer;
|
|
if( !CV_NODE_IS_EMPTY(struct_flags) )
|
|
*ptr++ = ',';
|
|
new_offset = (int)(ptr - fs->buffer_start) + keylen + datalen;
|
|
if( new_offset > fs->wrap_margin && new_offset - fs->struct_indent > 10 )
|
|
{
|
|
fs->buffer = ptr;
|
|
ptr = icvFSFlush(fs);
|
|
}
|
|
else
|
|
*ptr++ = ' ';
|
|
}
|
|
else
|
|
{
|
|
ptr = icvFSFlush(fs);
|
|
if( !CV_NODE_IS_MAP(struct_flags) )
|
|
{
|
|
*ptr++ = '-';
|
|
if( data )
|
|
*ptr++ = ' ';
|
|
}
|
|
}
|
|
|
|
if( key )
|
|
{
|
|
if( !cv_isalpha(key[0]) && key[0] != '_' )
|
|
CV_Error( CV_StsBadArg, "Key must start with a letter or _" );
|
|
|
|
ptr = icvFSResizeWriteBuffer( fs, ptr, keylen );
|
|
|
|
for( i = 0; i < keylen; i++ )
|
|
{
|
|
char c = key[i];
|
|
|
|
ptr[i] = c;
|
|
if( !cv_isalnum(c) && c != '-' && c != '_' && c != ' ' )
|
|
CV_Error( CV_StsBadArg, "Key names may only contain alphanumeric characters [a-zA-Z0-9], '-', '_' and ' '" );
|
|
}
|
|
|
|
ptr += keylen;
|
|
*ptr++ = ':';
|
|
if( !CV_NODE_IS_FLOW(struct_flags) && data )
|
|
*ptr++ = ' ';
|
|
}
|
|
|
|
if( data )
|
|
{
|
|
ptr = icvFSResizeWriteBuffer( fs, ptr, datalen );
|
|
memcpy( ptr, data, datalen );
|
|
ptr += datalen;
|
|
}
|
|
|
|
fs->buffer = ptr;
|
|
fs->struct_flags = struct_flags & ~CV_NODE_EMPTY;
|
|
}
|
|
|
|
|
|
static void
|
|
icvYMLStartWriteStruct( CvFileStorage* fs, const char* key, int struct_flags,
|
|
const char* type_name CV_DEFAULT(0))
|
|
{
|
|
int parent_flags;
|
|
char buf[CV_FS_MAX_LEN + 1024];
|
|
const char* data = 0;
|
|
|
|
if ( type_name && *type_name == '\0' )
|
|
type_name = 0;
|
|
|
|
struct_flags = (struct_flags & (CV_NODE_TYPE_MASK|CV_NODE_FLOW)) | CV_NODE_EMPTY;
|
|
if( !CV_NODE_IS_COLLECTION(struct_flags))
|
|
CV_Error( CV_StsBadArg,
|
|
"Some collection type - CV_NODE_SEQ or CV_NODE_MAP, must be specified" );
|
|
|
|
if (type_name && memcmp(type_name, "binary", 6) == 0)
|
|
{
|
|
/* reset struct flag. in order not to print ']' */
|
|
struct_flags = CV_NODE_SEQ;
|
|
sprintf(buf, "!!binary |");
|
|
data = buf;
|
|
}
|
|
else if( CV_NODE_IS_FLOW(struct_flags))
|
|
{
|
|
char c = CV_NODE_IS_MAP(struct_flags) ? '{' : '[';
|
|
struct_flags |= CV_NODE_FLOW;
|
|
|
|
if( type_name )
|
|
sprintf( buf, "!!%s %c", type_name, c );
|
|
else
|
|
{
|
|
buf[0] = c;
|
|
buf[1] = '\0';
|
|
}
|
|
data = buf;
|
|
}
|
|
else if( type_name )
|
|
{
|
|
sprintf( buf, "!!%s", type_name );
|
|
data = buf;
|
|
}
|
|
|
|
icvYMLWrite( fs, key, data );
|
|
|
|
parent_flags = fs->struct_flags;
|
|
cvSeqPush( fs->write_stack, &parent_flags );
|
|
fs->struct_flags = struct_flags;
|
|
|
|
if( !CV_NODE_IS_FLOW(parent_flags) )
|
|
fs->struct_indent += CV_YML_INDENT + CV_NODE_IS_FLOW(struct_flags);
|
|
}
|
|
|
|
|
|
static void
|
|
icvYMLEndWriteStruct( CvFileStorage* fs )
|
|
{
|
|
int parent_flags = 0, struct_flags;
|
|
char* ptr;
|
|
|
|
struct_flags = fs->struct_flags;
|
|
if( fs->write_stack->total == 0 )
|
|
CV_Error( CV_StsError, "EndWriteStruct w/o matching StartWriteStruct" );
|
|
|
|
cvSeqPop( fs->write_stack, &parent_flags );
|
|
|
|
if( CV_NODE_IS_FLOW(struct_flags) )
|
|
{
|
|
ptr = fs->buffer;
|
|
if( ptr > fs->buffer_start + fs->struct_indent && !CV_NODE_IS_EMPTY(struct_flags) )
|
|
*ptr++ = ' ';
|
|
*ptr++ = CV_NODE_IS_MAP(struct_flags) ? '}' : ']';
|
|
fs->buffer = ptr;
|
|
}
|
|
else if( CV_NODE_IS_EMPTY(struct_flags) )
|
|
{
|
|
ptr = icvFSFlush(fs);
|
|
memcpy( ptr, CV_NODE_IS_MAP(struct_flags) ? "{}" : "[]", 2 );
|
|
fs->buffer = ptr + 2;
|
|
}
|
|
|
|
if( !CV_NODE_IS_FLOW(parent_flags) )
|
|
fs->struct_indent -= CV_YML_INDENT + CV_NODE_IS_FLOW(struct_flags);
|
|
assert( fs->struct_indent >= 0 );
|
|
|
|
fs->struct_flags = parent_flags;
|
|
}
|
|
|
|
|
|
static void
|
|
icvYMLStartNextStream( CvFileStorage* fs )
|
|
{
|
|
if( !fs->is_first )
|
|
{
|
|
while( fs->write_stack->total > 0 )
|
|
icvYMLEndWriteStruct(fs);
|
|
|
|
fs->struct_indent = 0;
|
|
icvFSFlush(fs);
|
|
icvPuts( fs, "...\n" );
|
|
icvPuts( fs, "---\n" );
|
|
fs->buffer = fs->buffer_start;
|
|
}
|
|
}
|
|
|
|
|
|
static void
|
|
icvYMLWriteInt( CvFileStorage* fs, const char* key, int value )
|
|
{
|
|
char buf[128];
|
|
icvYMLWrite( fs, key, icv_itoa( value, buf, 10 ));
|
|
}
|
|
|
|
|
|
static void
|
|
icvYMLWriteReal( CvFileStorage* fs, const char* key, double value )
|
|
{
|
|
char buf[128];
|
|
icvYMLWrite( fs, key, icvDoubleToString( buf, value ));
|
|
}
|
|
|
|
|
|
static void
|
|
icvYMLWriteString( CvFileStorage* fs, const char* key,
|
|
const char* str, int quote CV_DEFAULT(0))
|
|
{
|
|
char buf[CV_FS_MAX_LEN*4+16];
|
|
char* data = (char*)str;
|
|
int i, len;
|
|
|
|
if( !str )
|
|
CV_Error( CV_StsNullPtr, "Null string pointer" );
|
|
|
|
len = (int)strlen(str);
|
|
if( len > CV_FS_MAX_LEN )
|
|
CV_Error( CV_StsBadArg, "The written string is too long" );
|
|
|
|
if( quote || len == 0 || str[0] != str[len-1] || (str[0] != '\"' && str[0] != '\'') )
|
|
{
|
|
int need_quote = quote || len == 0 || str[0] == ' ';
|
|
data = buf;
|
|
*data++ = '\"';
|
|
for( i = 0; i < len; i++ )
|
|
{
|
|
char c = str[i];
|
|
|
|
if( !need_quote && !cv_isalnum(c) && c != '_' && c != ' ' && c != '-' &&
|
|
c != '(' && c != ')' && c != '/' && c != '+' && c != ';' )
|
|
need_quote = 1;
|
|
|
|
if( !cv_isalnum(c) && (!cv_isprint(c) || c == '\\' || c == '\'' || c == '\"') )
|
|
{
|
|
*data++ = '\\';
|
|
if( cv_isprint(c) )
|
|
*data++ = c;
|
|
else if( c == '\n' )
|
|
*data++ = 'n';
|
|
else if( c == '\r' )
|
|
*data++ = 'r';
|
|
else if( c == '\t' )
|
|
*data++ = 't';
|
|
else
|
|
{
|
|
sprintf( data, "x%02x", c );
|
|
data += 3;
|
|
}
|
|
}
|
|
else
|
|
*data++ = c;
|
|
}
|
|
if( !need_quote && (cv_isdigit(str[0]) ||
|
|
str[0] == '+' || str[0] == '-' || str[0] == '.' ))
|
|
need_quote = 1;
|
|
|
|
if( need_quote )
|
|
*data++ = '\"';
|
|
*data++ = '\0';
|
|
data = buf + !need_quote;
|
|
}
|
|
|
|
icvYMLWrite( fs, key, data );
|
|
}
|
|
|
|
|
|
static void
|
|
icvYMLWriteComment( CvFileStorage* fs, const char* comment, int eol_comment )
|
|
{
|
|
int len; //, indent;
|
|
int multiline;
|
|
const char* eol;
|
|
char* ptr;
|
|
|
|
if( !comment )
|
|
CV_Error( CV_StsNullPtr, "Null comment" );
|
|
|
|
len = (int)strlen(comment);
|
|
eol = strchr(comment, '\n');
|
|
multiline = eol != 0;
|
|
ptr = fs->buffer;
|
|
|
|
if( !eol_comment || multiline ||
|
|
fs->buffer_end - ptr < len || ptr == fs->buffer_start )
|
|
ptr = icvFSFlush( fs );
|
|
else
|
|
*ptr++ = ' ';
|
|
|
|
while( comment )
|
|
{
|
|
*ptr++ = '#';
|
|
*ptr++ = ' ';
|
|
if( eol )
|
|
{
|
|
ptr = icvFSResizeWriteBuffer( fs, ptr, (int)(eol - comment) + 1 );
|
|
memcpy( ptr, comment, eol - comment + 1 );
|
|
fs->buffer = ptr + (eol - comment);
|
|
comment = eol + 1;
|
|
eol = strchr( comment, '\n' );
|
|
}
|
|
else
|
|
{
|
|
len = (int)strlen(comment);
|
|
ptr = icvFSResizeWriteBuffer( fs, ptr, len );
|
|
memcpy( ptr, comment, len );
|
|
fs->buffer = ptr + len;
|
|
comment = 0;
|
|
}
|
|
ptr = icvFSFlush( fs );
|
|
}
|
|
}
|
|
|
|
|
|
/****************************************************************************************\
|
|
* XML Parser *
|
|
\****************************************************************************************/
|
|
|
|
#define CV_XML_INSIDE_COMMENT 1
|
|
#define CV_XML_INSIDE_TAG 2
|
|
#define CV_XML_INSIDE_DIRECTIVE 3
|
|
|
|
static char*
|
|
icvXMLSkipSpaces( CvFileStorage* fs, char* ptr, int mode )
|
|
{
|
|
int level = 0;
|
|
|
|
for(;;)
|
|
{
|
|
char c;
|
|
ptr--;
|
|
|
|
if( mode == CV_XML_INSIDE_COMMENT )
|
|
{
|
|
do c = *++ptr;
|
|
while( cv_isprint_or_tab(c) && (c != '-' || ptr[1] != '-' || ptr[2] != '>') );
|
|
|
|
if( c == '-' )
|
|
{
|
|
assert( ptr[1] == '-' && ptr[2] == '>' );
|
|
mode = 0;
|
|
ptr += 3;
|
|
}
|
|
}
|
|
else if( mode == CV_XML_INSIDE_DIRECTIVE )
|
|
{
|
|
// !!!NOTE!!! This is not quite correct, but should work in most cases
|
|
do
|
|
{
|
|
c = *++ptr;
|
|
level += c == '<';
|
|
level -= c == '>';
|
|
if( level < 0 )
|
|
return ptr;
|
|
} while( cv_isprint_or_tab(c) );
|
|
}
|
|
else
|
|
{
|
|
do c = *++ptr;
|
|
while( c == ' ' || c == '\t' );
|
|
|
|
if( c == '<' && ptr[1] == '!' && ptr[2] == '-' && ptr[3] == '-' )
|
|
{
|
|
if( mode != 0 )
|
|
CV_PARSE_ERROR( "Comments are not allowed here" );
|
|
mode = CV_XML_INSIDE_COMMENT;
|
|
ptr += 4;
|
|
}
|
|
else if( cv_isprint(c) )
|
|
break;
|
|
}
|
|
|
|
if( !cv_isprint(*ptr) )
|
|
{
|
|
int max_size = (int)(fs->buffer_end - fs->buffer_start);
|
|
if( *ptr != '\0' && *ptr != '\n' && *ptr != '\r' )
|
|
CV_PARSE_ERROR( "Invalid character in the stream" );
|
|
ptr = icvGets( fs, fs->buffer_start, max_size );
|
|
if( !ptr )
|
|
{
|
|
ptr = fs->buffer_start;
|
|
*ptr = '\0';
|
|
fs->dummy_eof = 1;
|
|
break;
|
|
}
|
|
else
|
|
{
|
|
int l = (int)strlen(ptr);
|
|
if( ptr[l-1] != '\n' && ptr[l-1] != '\r' && !icvEof(fs) )
|
|
CV_PARSE_ERROR( "Too long string or a last string w/o newline" );
|
|
}
|
|
fs->lineno++;
|
|
}
|
|
}
|
|
return ptr;
|
|
}
|
|
|
|
|
|
static void icvXMLGetMultilineStringContent(CvFileStorage* fs,
|
|
char* ptr, char* &beg, char* &end)
|
|
{
|
|
ptr = icvXMLSkipSpaces(fs, ptr, CV_XML_INSIDE_TAG);
|
|
beg = ptr;
|
|
end = ptr;
|
|
if ( fs->dummy_eof )
|
|
return ; /* end of file */
|
|
|
|
if ( *beg == '<' )
|
|
return; /* end of string */
|
|
|
|
/* find end */
|
|
while( cv_isprint(*ptr) ) /* no check for base64 string */
|
|
++ ptr;
|
|
if ( *ptr == '\0' )
|
|
CV_PARSE_ERROR( "Unexpected end of line" );
|
|
|
|
end = ptr;
|
|
}
|
|
|
|
|
|
static char* icvXMLParseBase64(CvFileStorage* fs, char* ptr, CvFileNode * node)
|
|
{
|
|
char * beg = 0;
|
|
char * end = 0;
|
|
|
|
icvXMLGetMultilineStringContent(fs, ptr, beg, end);
|
|
if (beg >= end)
|
|
return end; // CV_PARSE_ERROR("Empty Binary Data");
|
|
|
|
/* calc (decoded) total_byte_size from header */
|
|
std::string dt;
|
|
{
|
|
if (end - beg < static_cast<int>(base64::ENCODED_HEADER_SIZE))
|
|
CV_PARSE_ERROR("Unrecognized Base64 header");
|
|
|
|
std::vector<char> header(base64::HEADER_SIZE + 1, ' ');
|
|
base64::base64_decode(beg, header.data(), 0U, base64::ENCODED_HEADER_SIZE);
|
|
if ( !base64::read_base64_header(header, dt) || dt.empty() )
|
|
CV_PARSE_ERROR("Invalid `dt` in Base64 header");
|
|
|
|
beg += base64::ENCODED_HEADER_SIZE;
|
|
}
|
|
|
|
/* get all Base64 data */
|
|
std::string base64_buffer; // not an efficient way.
|
|
base64_buffer.reserve( PARSER_BASE64_BUFFER_SIZE );
|
|
while( beg < end )
|
|
{
|
|
base64_buffer.append( beg, end );
|
|
beg = end;
|
|
icvXMLGetMultilineStringContent( fs, beg, beg, end );
|
|
}
|
|
if ( !base64::base64_valid(base64_buffer.data(), 0U, base64_buffer.size()) )
|
|
CV_PARSE_ERROR( "Invalid Base64 data." );
|
|
|
|
/* alloc buffer for all decoded data(include header) */
|
|
std::vector<uchar> binary_buffer( base64::base64_decode_buffer_size(base64_buffer.size()) );
|
|
int total_byte_size = static_cast<int>(
|
|
base64::base64_decode_buffer_size( base64_buffer.size(), base64_buffer.data(), false )
|
|
);
|
|
{
|
|
base64::Base64ContextParser parser(binary_buffer.data(), binary_buffer.size() );
|
|
const uchar * buffer_beg = reinterpret_cast<const uchar *>( base64_buffer.data() );
|
|
const uchar * buffer_end = buffer_beg + base64_buffer.size();
|
|
parser.read( buffer_beg, buffer_end );
|
|
parser.flush();
|
|
}
|
|
|
|
/* save as CvSeq */
|
|
int elem_size = ::icvCalcStructSize(dt.c_str(), 0);
|
|
if (total_byte_size % elem_size != 0)
|
|
CV_PARSE_ERROR("data size not matches elememt size");
|
|
int elem_cnt = total_byte_size / elem_size;
|
|
|
|
node->tag = CV_NODE_NONE;
|
|
int struct_flags = CV_NODE_SEQ;
|
|
/* after icvFSCreateCollection, node->tag == struct_flags */
|
|
icvFSCreateCollection(fs, struct_flags, node);
|
|
base64::make_seq(binary_buffer.data(), elem_cnt, dt.c_str(), *node->data.seq);
|
|
|
|
if (fs->dummy_eof) {
|
|
/* end of file */
|
|
return fs->buffer_start;
|
|
} else {
|
|
/* end of line */
|
|
return end;
|
|
}
|
|
}
|
|
|
|
|
|
static char*
|
|
icvXMLParseTag( CvFileStorage* fs, char* ptr, CvStringHashNode** _tag,
|
|
CvAttrList** _list, int* _tag_type );
|
|
|
|
static char*
|
|
icvXMLParseValue( CvFileStorage* fs, char* ptr, CvFileNode* node,
|
|
int value_type CV_DEFAULT(CV_NODE_NONE))
|
|
{
|
|
CvFileNode *elem = node;
|
|
int have_space = 1, is_simple = 1;
|
|
int is_user_type = CV_NODE_IS_USER(value_type);
|
|
memset( node, 0, sizeof(*node) );
|
|
|
|
value_type = CV_NODE_TYPE(value_type);
|
|
|
|
for(;;)
|
|
{
|
|
char c = *ptr, d;
|
|
char* endptr;
|
|
|
|
if( cv_isspace(c) || c == '\0' || (c == '<' && ptr[1] == '!' && ptr[2] == '-') )
|
|
{
|
|
ptr = icvXMLSkipSpaces( fs, ptr, 0 );
|
|
have_space = 1;
|
|
c = *ptr;
|
|
}
|
|
|
|
d = ptr[1];
|
|
|
|
if( c =='<' || c == '\0' )
|
|
{
|
|
CvStringHashNode *key = 0, *key2 = 0;
|
|
CvAttrList* list = 0;
|
|
CvTypeInfo* info = 0;
|
|
int tag_type = 0;
|
|
int is_noname = 0;
|
|
const char* type_name = 0;
|
|
int elem_type = CV_NODE_NONE;
|
|
|
|
if( d == '/' || c == '\0' )
|
|
break;
|
|
|
|
ptr = icvXMLParseTag( fs, ptr, &key, &list, &tag_type );
|
|
|
|
if( tag_type == CV_XML_DIRECTIVE_TAG )
|
|
CV_PARSE_ERROR( "Directive tags are not allowed here" );
|
|
if( tag_type == CV_XML_EMPTY_TAG )
|
|
CV_PARSE_ERROR( "Empty tags are not supported" );
|
|
|
|
assert( tag_type == CV_XML_OPENING_TAG );
|
|
|
|
/* for base64 string */
|
|
bool is_binary_string = false;
|
|
|
|
type_name = list ? cvAttrValue( list, "type_id" ) : 0;
|
|
if( type_name )
|
|
{
|
|
if( strcmp( type_name, "str" ) == 0 )
|
|
elem_type = CV_NODE_STRING;
|
|
else if( strcmp( type_name, "map" ) == 0 )
|
|
elem_type = CV_NODE_MAP;
|
|
else if( strcmp( type_name, "seq" ) == 0 )
|
|
elem_type = CV_NODE_SEQ;
|
|
else if (strcmp(type_name, "binary") == 0)
|
|
{
|
|
elem_type = CV_NODE_NONE;
|
|
is_binary_string = true;
|
|
}
|
|
else
|
|
{
|
|
info = cvFindType( type_name );
|
|
if( info )
|
|
elem_type = CV_NODE_USER;
|
|
}
|
|
}
|
|
|
|
is_noname = key->str.len == 1 && key->str.ptr[0] == '_';
|
|
if( !CV_NODE_IS_COLLECTION(node->tag) )
|
|
{
|
|
icvFSCreateCollection( fs, is_noname ? CV_NODE_SEQ : CV_NODE_MAP, node );
|
|
}
|
|
else if( is_noname ^ CV_NODE_IS_SEQ(node->tag) )
|
|
CV_PARSE_ERROR( is_noname ? "Map element should have a name" :
|
|
"Sequence element should not have name (use <_></_>)" );
|
|
|
|
if( is_noname )
|
|
elem = (CvFileNode*)cvSeqPush( node->data.seq, 0 );
|
|
else
|
|
elem = cvGetFileNode( fs, node, key, 1 );
|
|
|
|
if (!is_binary_string)
|
|
ptr = icvXMLParseValue( fs, ptr, elem, elem_type);
|
|
else {
|
|
/* for base64 string */
|
|
ptr = icvXMLParseBase64( fs, ptr, elem);
|
|
ptr = icvXMLSkipSpaces( fs, ptr, 0 );
|
|
}
|
|
|
|
if( !is_noname )
|
|
elem->tag |= CV_NODE_NAMED;
|
|
is_simple &= !CV_NODE_IS_COLLECTION(elem->tag);
|
|
elem->info = info;
|
|
ptr = icvXMLParseTag( fs, ptr, &key2, &list, &tag_type );
|
|
if( tag_type != CV_XML_CLOSING_TAG || key2 != key )
|
|
CV_PARSE_ERROR( "Mismatched closing tag" );
|
|
have_space = 1;
|
|
}
|
|
else
|
|
{
|
|
if( !have_space )
|
|
CV_PARSE_ERROR( "There should be space between literals" );
|
|
|
|
elem = node;
|
|
if( node->tag != CV_NODE_NONE )
|
|
{
|
|
if( !CV_NODE_IS_COLLECTION(node->tag) )
|
|
icvFSCreateCollection( fs, CV_NODE_SEQ, node );
|
|
|
|
elem = (CvFileNode*)cvSeqPush( node->data.seq, 0 );
|
|
elem->info = 0;
|
|
}
|
|
|
|
if( value_type != CV_NODE_STRING &&
|
|
(cv_isdigit(c) || ((c == '-' || c == '+') &&
|
|
(cv_isdigit(d) || d == '.')) || (c == '.' && cv_isalnum(d))) ) // a number
|
|
{
|
|
double fval;
|
|
int ival;
|
|
endptr = ptr + (c == '-' || c == '+');
|
|
while( cv_isdigit(*endptr) )
|
|
endptr++;
|
|
if( *endptr == '.' || *endptr == 'e' )
|
|
{
|
|
fval = icv_strtod( fs, ptr, &endptr );
|
|
/*if( endptr == ptr || cv_isalpha(*endptr) )
|
|
icvProcessSpecialDouble( fs, ptr, &fval, &endptr ));*/
|
|
elem->tag = CV_NODE_REAL;
|
|
elem->data.f = fval;
|
|
}
|
|
else
|
|
{
|
|
ival = (int)strtol( ptr, &endptr, 0 );
|
|
elem->tag = CV_NODE_INT;
|
|
elem->data.i = ival;
|
|
}
|
|
|
|
if( endptr == ptr )
|
|
CV_PARSE_ERROR( "Invalid numeric value (inconsistent explicit type specification?)" );
|
|
|
|
ptr = endptr;
|
|
}
|
|
else
|
|
{
|
|
// string
|
|
char buf[CV_FS_MAX_LEN+16];
|
|
int i = 0, len, is_quoted = 0;
|
|
elem->tag = CV_NODE_STRING;
|
|
if( c == '\"' )
|
|
is_quoted = 1;
|
|
else
|
|
--ptr;
|
|
|
|
for( ;; )
|
|
{
|
|
c = *++ptr;
|
|
if( !cv_isalnum(c) )
|
|
{
|
|
if( c == '\"' )
|
|
{
|
|
if( !is_quoted )
|
|
CV_PARSE_ERROR( "Literal \" is not allowed within a string. Use "" );
|
|
++ptr;
|
|
break;
|
|
}
|
|
else if( !cv_isprint(c) || c == '<' || (!is_quoted && cv_isspace(c)))
|
|
{
|
|
if( is_quoted )
|
|
CV_PARSE_ERROR( "Closing \" is expected" );
|
|
break;
|
|
}
|
|
else if( c == '\'' || c == '>' )
|
|
{
|
|
CV_PARSE_ERROR( "Literal \' or > are not allowed. Use ' or >" );
|
|
}
|
|
else if( c == '&' )
|
|
{
|
|
if( *++ptr == '#' )
|
|
{
|
|
int val, base = 10;
|
|
ptr++;
|
|
if( *ptr == 'x' )
|
|
{
|
|
base = 16;
|
|
ptr++;
|
|
}
|
|
val = (int)strtol( ptr, &endptr, base );
|
|
if( (unsigned)val > (unsigned)255 ||
|
|
!endptr || *endptr != ';' )
|
|
CV_PARSE_ERROR( "Invalid numeric value in the string" );
|
|
c = (char)val;
|
|
}
|
|
else
|
|
{
|
|
endptr = ptr;
|
|
do c = *++endptr;
|
|
while( cv_isalnum(c) );
|
|
if( c != ';' )
|
|
CV_PARSE_ERROR( "Invalid character in the symbol entity name" );
|
|
len = (int)(endptr - ptr);
|
|
if( len == 2 && memcmp( ptr, "lt", len ) == 0 )
|
|
c = '<';
|
|
else if( len == 2 && memcmp( ptr, "gt", len ) == 0 )
|
|
c = '>';
|
|
else if( len == 3 && memcmp( ptr, "amp", len ) == 0 )
|
|
c = '&';
|
|
else if( len == 4 && memcmp( ptr, "apos", len ) == 0 )
|
|
c = '\'';
|
|
else if( len == 4 && memcmp( ptr, "quot", len ) == 0 )
|
|
c = '\"';
|
|
else
|
|
{
|
|
memcpy( buf + i, ptr-1, len + 2 );
|
|
i += len + 2;
|
|
}
|
|
}
|
|
ptr = endptr;
|
|
}
|
|
}
|
|
buf[i++] = c;
|
|
if( i >= CV_FS_MAX_LEN )
|
|
CV_PARSE_ERROR( "Too long string literal" );
|
|
}
|
|
elem->data.str = cvMemStorageAllocString( fs->memstorage, buf, i );
|
|
}
|
|
|
|
if( !CV_NODE_IS_COLLECTION(value_type) && value_type != CV_NODE_NONE )
|
|
break;
|
|
have_space = 0;
|
|
}
|
|
}
|
|
|
|
if( (CV_NODE_TYPE(node->tag) == CV_NODE_NONE ||
|
|
(CV_NODE_TYPE(node->tag) != value_type &&
|
|
!CV_NODE_IS_COLLECTION(node->tag))) &&
|
|
CV_NODE_IS_COLLECTION(value_type) )
|
|
{
|
|
icvFSCreateCollection( fs, CV_NODE_IS_MAP(value_type) ?
|
|
CV_NODE_MAP : CV_NODE_SEQ, node );
|
|
}
|
|
|
|
if( value_type != CV_NODE_NONE &&
|
|
value_type != CV_NODE_TYPE(node->tag) )
|
|
CV_PARSE_ERROR( "The actual type is different from the specified type" );
|
|
|
|
if( CV_NODE_IS_COLLECTION(node->tag) && is_simple )
|
|
node->data.seq->flags |= CV_NODE_SEQ_SIMPLE;
|
|
|
|
node->tag |= is_user_type ? CV_NODE_USER : 0;
|
|
return ptr;
|
|
}
|
|
|
|
|
|
static char*
|
|
icvXMLParseTag( CvFileStorage* fs, char* ptr, CvStringHashNode** _tag,
|
|
CvAttrList** _list, int* _tag_type )
|
|
{
|
|
int tag_type = 0;
|
|
CvStringHashNode* tagname = 0;
|
|
CvAttrList *first = 0, *last = 0;
|
|
int count = 0, max_count = 4;
|
|
int attr_buf_size = (max_count*2 + 1)*sizeof(char*) + sizeof(CvAttrList);
|
|
char* endptr;
|
|
char c;
|
|
int have_space;
|
|
|
|
if( *ptr == '\0' )
|
|
CV_PARSE_ERROR( "Preliminary end of the stream" );
|
|
|
|
if( *ptr != '<' )
|
|
CV_PARSE_ERROR( "Tag should start with \'<\'" );
|
|
|
|
ptr++;
|
|
if( cv_isalnum(*ptr) || *ptr == '_' )
|
|
tag_type = CV_XML_OPENING_TAG;
|
|
else if( *ptr == '/' )
|
|
{
|
|
tag_type = CV_XML_CLOSING_TAG;
|
|
ptr++;
|
|
}
|
|
else if( *ptr == '?' )
|
|
{
|
|
tag_type = CV_XML_HEADER_TAG;
|
|
ptr++;
|
|
}
|
|
else if( *ptr == '!' )
|
|
{
|
|
tag_type = CV_XML_DIRECTIVE_TAG;
|
|
assert( ptr[1] != '-' || ptr[2] != '-' );
|
|
ptr++;
|
|
}
|
|
else
|
|
CV_PARSE_ERROR( "Unknown tag type" );
|
|
|
|
for(;;)
|
|
{
|
|
CvStringHashNode* attrname;
|
|
|
|
if( !cv_isalpha(*ptr) && *ptr != '_' )
|
|
CV_PARSE_ERROR( "Name should start with a letter or underscore" );
|
|
|
|
endptr = ptr - 1;
|
|
do c = *++endptr;
|
|
while( cv_isalnum(c) || c == '_' || c == '-' );
|
|
|
|
attrname = cvGetHashedKey( fs, ptr, (int)(endptr - ptr), 1 );
|
|
ptr = endptr;
|
|
|
|
if( !tagname )
|
|
tagname = attrname;
|
|
else
|
|
{
|
|
if( tag_type == CV_XML_CLOSING_TAG )
|
|
CV_PARSE_ERROR( "Closing tag should not contain any attributes" );
|
|
|
|
if( !last || count >= max_count )
|
|
{
|
|
CvAttrList* chunk;
|
|
|
|
chunk = (CvAttrList*)cvMemStorageAlloc( fs->memstorage, attr_buf_size );
|
|
memset( chunk, 0, attr_buf_size );
|
|
chunk->attr = (const char**)(chunk + 1);
|
|
count = 0;
|
|
if( !last )
|
|
first = last = chunk;
|
|
else
|
|
last = last->next = chunk;
|
|
}
|
|
last->attr[count*2] = attrname->str.ptr;
|
|
}
|
|
|
|
if( last )
|
|
{
|
|
CvFileNode stub;
|
|
|
|
if( *ptr != '=' )
|
|
{
|
|
ptr = icvXMLSkipSpaces( fs, ptr, CV_XML_INSIDE_TAG );
|
|
if( *ptr != '=' )
|
|
CV_PARSE_ERROR( "Attribute name should be followed by \'=\'" );
|
|
}
|
|
|
|
c = *++ptr;
|
|
if( c != '\"' && c != '\'' )
|
|
{
|
|
ptr = icvXMLSkipSpaces( fs, ptr, CV_XML_INSIDE_TAG );
|
|
if( *ptr != '\"' && *ptr != '\'' )
|
|
CV_PARSE_ERROR( "Attribute value should be put into single or double quotes" );
|
|
}
|
|
|
|
ptr = icvXMLParseValue( fs, ptr, &stub, CV_NODE_STRING );
|
|
assert( stub.tag == CV_NODE_STRING );
|
|
last->attr[count*2+1] = stub.data.str.ptr;
|
|
count++;
|
|
}
|
|
|
|
c = *ptr;
|
|
have_space = cv_isspace(c) || c == '\0';
|
|
|
|
if( c != '>' )
|
|
{
|
|
ptr = icvXMLSkipSpaces( fs, ptr, CV_XML_INSIDE_TAG );
|
|
c = *ptr;
|
|
}
|
|
|
|
if( c == '>' )
|
|
{
|
|
if( tag_type == CV_XML_HEADER_TAG )
|
|
CV_PARSE_ERROR( "Invalid closing tag for <?xml ..." );
|
|
ptr++;
|
|
break;
|
|
}
|
|
else if( c == '?' && tag_type == CV_XML_HEADER_TAG )
|
|
{
|
|
if( ptr[1] != '>' )
|
|
CV_PARSE_ERROR( "Invalid closing tag for <?xml ..." );
|
|
ptr += 2;
|
|
break;
|
|
}
|
|
else if( c == '/' && ptr[1] == '>' && tag_type == CV_XML_OPENING_TAG )
|
|
{
|
|
tag_type = CV_XML_EMPTY_TAG;
|
|
ptr += 2;
|
|
break;
|
|
}
|
|
|
|
if( !have_space )
|
|
CV_PARSE_ERROR( "There should be space between attributes" );
|
|
}
|
|
|
|
*_tag = tagname;
|
|
*_tag_type = tag_type;
|
|
*_list = first;
|
|
|
|
return ptr;
|
|
}
|
|
|
|
|
|
static void
|
|
icvXMLParse( CvFileStorage* fs )
|
|
{
|
|
char* ptr = fs->buffer_start;
|
|
CvStringHashNode *key = 0, *key2 = 0;
|
|
CvAttrList* list = 0;
|
|
int tag_type = 0;
|
|
|
|
// CV_XML_INSIDE_TAG is used to prohibit leading comments
|
|
ptr = icvXMLSkipSpaces( fs, ptr, CV_XML_INSIDE_TAG );
|
|
|
|
if( memcmp( ptr, "<?xml", 5 ) != 0 )
|
|
CV_PARSE_ERROR( "Valid XML should start with \'<?xml ...?>\'" );
|
|
|
|
ptr = icvXMLParseTag( fs, ptr, &key, &list, &tag_type );
|
|
|
|
/*{
|
|
const char* version = cvAttrValue( list, "version" );
|
|
if( version && strncmp( version, "1.", 2 ) != 0 )
|
|
CV_Error( CV_StsParseError, "Unsupported version of XML" );
|
|
}*/
|
|
// we support any 8-bit encoding, so we do not need to check the actual encoding.
|
|
// we do not support utf-16, but in the case of utf-16 we will not get here anyway.
|
|
/*{
|
|
const char* encoding = cvAttrValue( list, "encoding" );
|
|
if( encoding && strcmp( encoding, "ASCII" ) != 0 &&
|
|
strcmp( encoding, "UTF-8" ) != 0 &&
|
|
strcmp( encoding, "utf-8" ) != 0 )
|
|
CV_PARSE_ERROR( "Unsupported encoding" );
|
|
}*/
|
|
|
|
while( *ptr != '\0' )
|
|
{
|
|
ptr = icvXMLSkipSpaces( fs, ptr, 0 );
|
|
|
|
if( *ptr != '\0' )
|
|
{
|
|
CvFileNode* root_node;
|
|
ptr = icvXMLParseTag( fs, ptr, &key, &list, &tag_type );
|
|
if( tag_type != CV_XML_OPENING_TAG ||
|
|
strcmp(key->str.ptr,"opencv_storage") != 0 )
|
|
CV_PARSE_ERROR( "<opencv_storage> tag is missing" );
|
|
|
|
root_node = (CvFileNode*)cvSeqPush( fs->roots, 0 );
|
|
ptr = icvXMLParseValue( fs, ptr, root_node, CV_NODE_NONE );
|
|
ptr = icvXMLParseTag( fs, ptr, &key2, &list, &tag_type );
|
|
if( tag_type != CV_XML_CLOSING_TAG || key != key2 )
|
|
CV_PARSE_ERROR( "</opencv_storage> tag is missing" );
|
|
ptr = icvXMLSkipSpaces( fs, ptr, 0 );
|
|
}
|
|
}
|
|
|
|
assert( fs->dummy_eof != 0 );
|
|
}
|
|
|
|
|
|
/****************************************************************************************\
|
|
* XML Emitter *
|
|
\****************************************************************************************/
|
|
|
|
#define icvXMLFlush icvFSFlush
|
|
|
|
static void
|
|
icvXMLWriteTag( CvFileStorage* fs, const char* key, int tag_type, CvAttrList list )
|
|
{
|
|
char* ptr = fs->buffer;
|
|
int i, len = 0;
|
|
int struct_flags = fs->struct_flags;
|
|
|
|
if( key && key[0] == '\0' )
|
|
key = 0;
|
|
|
|
if( tag_type == CV_XML_OPENING_TAG || tag_type == CV_XML_EMPTY_TAG )
|
|
{
|
|
if( CV_NODE_IS_COLLECTION(struct_flags) )
|
|
{
|
|
if( CV_NODE_IS_MAP(struct_flags) ^ (key != 0) )
|
|
CV_Error( CV_StsBadArg, "An attempt to add element without a key to a map, "
|
|
"or add element with key to sequence" );
|
|
}
|
|
else
|
|
{
|
|
struct_flags = CV_NODE_EMPTY + (key ? CV_NODE_MAP : CV_NODE_SEQ);
|
|
fs->is_first = 0;
|
|
}
|
|
|
|
if( !CV_NODE_IS_EMPTY(struct_flags) )
|
|
ptr = icvXMLFlush(fs);
|
|
}
|
|
|
|
if( !key )
|
|
key = "_";
|
|
else if( key[0] == '_' && key[1] == '\0' )
|
|
CV_Error( CV_StsBadArg, "A single _ is a reserved tag name" );
|
|
|
|
len = (int)strlen( key );
|
|
*ptr++ = '<';
|
|
if( tag_type == CV_XML_CLOSING_TAG )
|
|
{
|
|
if( list.attr )
|
|
CV_Error( CV_StsBadArg, "Closing tag should not include any attributes" );
|
|
*ptr++ = '/';
|
|
}
|
|
|
|
if( !cv_isalpha(key[0]) && key[0] != '_' )
|
|
CV_Error( CV_StsBadArg, "Key should start with a letter or _" );
|
|
|
|
ptr = icvFSResizeWriteBuffer( fs, ptr, len );
|
|
for( i = 0; i < len; i++ )
|
|
{
|
|
char c = key[i];
|
|
if( !cv_isalnum(c) && c != '_' && c != '-' )
|
|
CV_Error( CV_StsBadArg, "Key name may only contain alphanumeric characters [a-zA-Z0-9], '-' and '_'" );
|
|
ptr[i] = c;
|
|
}
|
|
ptr += len;
|
|
|
|
for(;;)
|
|
{
|
|
const char** attr = list.attr;
|
|
|
|
for( ; attr && attr[0] != 0; attr += 2 )
|
|
{
|
|
int len0 = (int)strlen(attr[0]);
|
|
int len1 = (int)strlen(attr[1]);
|
|
|
|
ptr = icvFSResizeWriteBuffer( fs, ptr, len0 + len1 + 4 );
|
|
*ptr++ = ' ';
|
|
memcpy( ptr, attr[0], len0 );
|
|
ptr += len0;
|
|
*ptr++ = '=';
|
|
*ptr++ = '\"';
|
|
memcpy( ptr, attr[1], len1 );
|
|
ptr += len1;
|
|
*ptr++ = '\"';
|
|
}
|
|
if( !list.next )
|
|
break;
|
|
list = *list.next;
|
|
}
|
|
|
|
if( tag_type == CV_XML_EMPTY_TAG )
|
|
*ptr++ = '/';
|
|
*ptr++ = '>';
|
|
fs->buffer = ptr;
|
|
fs->struct_flags = struct_flags & ~CV_NODE_EMPTY;
|
|
}
|
|
|
|
|
|
static void
|
|
icvXMLStartWriteStruct( CvFileStorage* fs, const char* key, int struct_flags,
|
|
const char* type_name CV_DEFAULT(0))
|
|
{
|
|
CvXMLStackRecord parent;
|
|
const char* attr[10];
|
|
int idx = 0;
|
|
|
|
struct_flags = (struct_flags & (CV_NODE_TYPE_MASK|CV_NODE_FLOW)) | CV_NODE_EMPTY;
|
|
if( !CV_NODE_IS_COLLECTION(struct_flags))
|
|
CV_Error( CV_StsBadArg,
|
|
"Some collection type: CV_NODE_SEQ or CV_NODE_MAP must be specified" );
|
|
|
|
if ( type_name && *type_name == '\0' )
|
|
type_name = 0;
|
|
|
|
if( type_name )
|
|
{
|
|
attr[idx++] = "type_id";
|
|
attr[idx++] = type_name;
|
|
}
|
|
attr[idx++] = 0;
|
|
|
|
icvXMLWriteTag( fs, key, CV_XML_OPENING_TAG, cvAttrList(attr,0) );
|
|
|
|
parent.struct_flags = fs->struct_flags & ~CV_NODE_EMPTY;
|
|
parent.struct_indent = fs->struct_indent;
|
|
parent.struct_tag = fs->struct_tag;
|
|
cvSaveMemStoragePos( fs->strstorage, &parent.pos );
|
|
cvSeqPush( fs->write_stack, &parent );
|
|
|
|
fs->struct_indent += CV_XML_INDENT;
|
|
if( !CV_NODE_IS_FLOW(struct_flags) )
|
|
icvXMLFlush( fs );
|
|
|
|
fs->struct_flags = struct_flags;
|
|
if( key )
|
|
{
|
|
fs->struct_tag = cvMemStorageAllocString( fs->strstorage, (char*)key, -1 );
|
|
}
|
|
else
|
|
{
|
|
fs->struct_tag.ptr = 0;
|
|
fs->struct_tag.len = 0;
|
|
}
|
|
}
|
|
|
|
|
|
static void
|
|
icvXMLEndWriteStruct( CvFileStorage* fs )
|
|
{
|
|
CvXMLStackRecord parent;
|
|
|
|
if( fs->write_stack->total == 0 )
|
|
CV_Error( CV_StsError, "An extra closing tag" );
|
|
|
|
icvXMLWriteTag( fs, fs->struct_tag.ptr, CV_XML_CLOSING_TAG, cvAttrList(0,0) );
|
|
cvSeqPop( fs->write_stack, &parent );
|
|
|
|
fs->struct_indent = parent.struct_indent;
|
|
fs->struct_flags = parent.struct_flags;
|
|
fs->struct_tag = parent.struct_tag;
|
|
cvRestoreMemStoragePos( fs->strstorage, &parent.pos );
|
|
}
|
|
|
|
|
|
static void
|
|
icvXMLStartNextStream( CvFileStorage* fs )
|
|
{
|
|
if( !fs->is_first )
|
|
{
|
|
while( fs->write_stack->total > 0 )
|
|
icvXMLEndWriteStruct(fs);
|
|
|
|
fs->struct_indent = 0;
|
|
icvXMLFlush(fs);
|
|
/* XML does not allow multiple top-level elements,
|
|
so we just put a comment and continue
|
|
the current (and the only) "stream" */
|
|
icvPuts( fs, "\n<!-- next stream -->\n" );
|
|
/*fputs( "</opencv_storage>\n", fs->file );
|
|
fputs( "<opencv_storage>\n", fs->file );*/
|
|
fs->buffer = fs->buffer_start;
|
|
}
|
|
}
|
|
|
|
|
|
static void
|
|
icvXMLWriteScalar( CvFileStorage* fs, const char* key, const char* data, int len )
|
|
{
|
|
check_if_write_struct_is_delayed( fs );
|
|
if ( fs->state_of_writing_base64 == base64::fs::Uncertain )
|
|
{
|
|
switch_to_Base64_state( fs, base64::fs::NotUse );
|
|
}
|
|
else if ( fs->state_of_writing_base64 == base64::fs::InUse )
|
|
{
|
|
CV_Error( CV_StsError, "Currently only Base64 data is allowed." );
|
|
}
|
|
|
|
if( CV_NODE_IS_MAP(fs->struct_flags) ||
|
|
(!CV_NODE_IS_COLLECTION(fs->struct_flags) && key) )
|
|
{
|
|
icvXMLWriteTag( fs, key, CV_XML_OPENING_TAG, cvAttrList(0,0) );
|
|
char* ptr = icvFSResizeWriteBuffer( fs, fs->buffer, len );
|
|
memcpy( ptr, data, len );
|
|
fs->buffer = ptr + len;
|
|
icvXMLWriteTag( fs, key, CV_XML_CLOSING_TAG, cvAttrList(0,0) );
|
|
}
|
|
else
|
|
{
|
|
char* ptr = fs->buffer;
|
|
int new_offset = (int)(ptr - fs->buffer_start) + len;
|
|
|
|
if( key )
|
|
CV_Error( CV_StsBadArg, "elements with keys can not be written to sequence" );
|
|
|
|
fs->struct_flags = CV_NODE_SEQ;
|
|
|
|
if( (new_offset > fs->wrap_margin && new_offset - fs->struct_indent > 10) ||
|
|
(ptr > fs->buffer_start && ptr[-1] == '>' && !CV_NODE_IS_EMPTY(fs->struct_flags)) )
|
|
{
|
|
ptr = icvXMLFlush(fs);
|
|
}
|
|
else if( ptr > fs->buffer_start + fs->struct_indent && ptr[-1] != '>' )
|
|
*ptr++ = ' ';
|
|
|
|
memcpy( ptr, data, len );
|
|
fs->buffer = ptr + len;
|
|
}
|
|
}
|
|
|
|
|
|
static void
|
|
icvXMLWriteInt( CvFileStorage* fs, const char* key, int value )
|
|
{
|
|
char buf[128], *ptr = icv_itoa( value, buf, 10 );
|
|
int len = (int)strlen(ptr);
|
|
icvXMLWriteScalar( fs, key, ptr, len );
|
|
}
|
|
|
|
|
|
static void
|
|
icvXMLWriteReal( CvFileStorage* fs, const char* key, double value )
|
|
{
|
|
char buf[128];
|
|
int len = (int)strlen( icvDoubleToString( buf, value ));
|
|
icvXMLWriteScalar( fs, key, buf, len );
|
|
}
|
|
|
|
|
|
static void
|
|
icvXMLWriteString( CvFileStorage* fs, const char* key, const char* str, int quote )
|
|
{
|
|
char buf[CV_FS_MAX_LEN*6+16];
|
|
char* data = (char*)str;
|
|
int i, len;
|
|
|
|
if( !str )
|
|
CV_Error( CV_StsNullPtr, "Null string pointer" );
|
|
|
|
len = (int)strlen(str);
|
|
if( len > CV_FS_MAX_LEN )
|
|
CV_Error( CV_StsBadArg, "The written string is too long" );
|
|
|
|
if( quote || len == 0 || str[0] != '\"' || str[0] != str[len-1] )
|
|
{
|
|
int need_quote = quote || len == 0;
|
|
data = buf;
|
|
*data++ = '\"';
|
|
for( i = 0; i < len; i++ )
|
|
{
|
|
char c = str[i];
|
|
|
|
if( (uchar)c >= 128 || c == ' ' )
|
|
{
|
|
*data++ = c;
|
|
need_quote = 1;
|
|
}
|
|
else if( !cv_isprint(c) || c == '<' || c == '>' || c == '&' || c == '\'' || c == '\"' )
|
|
{
|
|
*data++ = '&';
|
|
if( c == '<' )
|
|
{
|
|
memcpy(data, "lt", 2);
|
|
data += 2;
|
|
}
|
|
else if( c == '>' )
|
|
{
|
|
memcpy(data, "gt", 2);
|
|
data += 2;
|
|
}
|
|
else if( c == '&' )
|
|
{
|
|
memcpy(data, "amp", 3);
|
|
data += 3;
|
|
}
|
|
else if( c == '\'' )
|
|
{
|
|
memcpy(data, "apos", 4);
|
|
data += 4;
|
|
}
|
|
else if( c == '\"' )
|
|
{
|
|
memcpy( data, "quot", 4);
|
|
data += 4;
|
|
}
|
|
else
|
|
{
|
|
sprintf( data, "#x%02x", (uchar)c );
|
|
data += 4;
|
|
}
|
|
*data++ = ';';
|
|
need_quote = 1;
|
|
}
|
|
else
|
|
*data++ = c;
|
|
}
|
|
if( !need_quote && (cv_isdigit(str[0]) ||
|
|
str[0] == '+' || str[0] == '-' || str[0] == '.' ))
|
|
need_quote = 1;
|
|
|
|
if( need_quote )
|
|
*data++ = '\"';
|
|
len = (int)(data - buf) - !need_quote;
|
|
*data++ = '\0';
|
|
data = buf + !need_quote;
|
|
}
|
|
|
|
icvXMLWriteScalar( fs, key, data, len );
|
|
}
|
|
|
|
|
|
static void
|
|
icvXMLWriteComment( CvFileStorage* fs, const char* comment, int eol_comment )
|
|
{
|
|
int len;
|
|
int multiline;
|
|
const char* eol;
|
|
char* ptr;
|
|
|
|
if( !comment )
|
|
CV_Error( CV_StsNullPtr, "Null comment" );
|
|
|
|
if( strstr(comment, "--") != 0 )
|
|
CV_Error( CV_StsBadArg, "Double hyphen \'--\' is not allowed in the comments" );
|
|
|
|
len = (int)strlen(comment);
|
|
eol = strchr(comment, '\n');
|
|
multiline = eol != 0;
|
|
ptr = fs->buffer;
|
|
|
|
if( multiline || !eol_comment || fs->buffer_end - ptr < len + 5 )
|
|
ptr = icvXMLFlush( fs );
|
|
else if( ptr > fs->buffer_start + fs->struct_indent )
|
|
*ptr++ = ' ';
|
|
|
|
if( !multiline )
|
|
{
|
|
ptr = icvFSResizeWriteBuffer( fs, ptr, len + 9 );
|
|
sprintf( ptr, "<!-- %s -->", comment );
|
|
len = (int)strlen(ptr);
|
|
}
|
|
else
|
|
{
|
|
strcpy( ptr, "<!--" );
|
|
len = 4;
|
|
}
|
|
|
|
fs->buffer = ptr + len;
|
|
ptr = icvXMLFlush(fs);
|
|
|
|
if( multiline )
|
|
{
|
|
while( comment )
|
|
{
|
|
if( eol )
|
|
{
|
|
ptr = icvFSResizeWriteBuffer( fs, ptr, (int)(eol - comment) + 1 );
|
|
memcpy( ptr, comment, eol - comment + 1 );
|
|
ptr += eol - comment;
|
|
comment = eol + 1;
|
|
eol = strchr( comment, '\n' );
|
|
}
|
|
else
|
|
{
|
|
len = (int)strlen(comment);
|
|
ptr = icvFSResizeWriteBuffer( fs, ptr, len );
|
|
memcpy( ptr, comment, len );
|
|
ptr += len;
|
|
comment = 0;
|
|
}
|
|
fs->buffer = ptr;
|
|
ptr = icvXMLFlush( fs );
|
|
}
|
|
sprintf( ptr, "-->" );
|
|
fs->buffer = ptr + 3;
|
|
icvXMLFlush( fs );
|
|
}
|
|
}
|
|
|
|
|
|
/****************************************************************************************\
|
|
* JSON Parser *
|
|
\****************************************************************************************/
|
|
|
|
static char*
|
|
icvJSONSkipSpaces( CvFileStorage* fs, char* ptr )
|
|
{
|
|
bool is_eof = false;
|
|
bool is_completed = false;
|
|
|
|
while ( is_eof == false && is_completed == false )
|
|
{
|
|
switch ( *ptr )
|
|
{
|
|
/* comment */
|
|
case '/' : {
|
|
ptr++;
|
|
if ( *ptr == '\0' )
|
|
{
|
|
ptr = icvGets( fs, fs->buffer_start, static_cast<int>(fs->buffer_end - fs->buffer_start) );
|
|
if ( !ptr ) { is_eof = true; break; }
|
|
}
|
|
|
|
if ( *ptr == '/' )
|
|
{
|
|
while ( *ptr != '\n' && *ptr != '\r' )
|
|
{
|
|
if ( *ptr == '\0' )
|
|
{
|
|
ptr = icvGets( fs, fs->buffer_start, static_cast<int>(fs->buffer_end - fs->buffer_start) );
|
|
if ( !ptr ) { is_eof = true; break; }
|
|
}
|
|
else
|
|
{
|
|
ptr++;
|
|
}
|
|
}
|
|
}
|
|
else if ( *ptr == '*' )
|
|
{
|
|
ptr++;
|
|
for (;;)
|
|
{
|
|
if ( *ptr == '\0' )
|
|
{
|
|
ptr = icvGets( fs, fs->buffer_start, static_cast<int>(fs->buffer_end - fs->buffer_start) );
|
|
if ( !ptr ) { is_eof = true; break; }
|
|
}
|
|
else if ( *ptr == '*' )
|
|
{
|
|
ptr++;
|
|
if ( *ptr == '\0' )
|
|
{
|
|
ptr = icvGets( fs, fs->buffer_start, static_cast<int>(fs->buffer_end - fs->buffer_start) );
|
|
if ( !ptr ) { is_eof = true; break; }
|
|
}
|
|
if ( *ptr == '/' )
|
|
{
|
|
ptr++;
|
|
break;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
ptr++;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
CV_PARSE_ERROR( "Not supported escape character" );
|
|
}
|
|
} break;
|
|
/* whitespace */
|
|
case '\t':
|
|
case ' ' : {
|
|
ptr++;
|
|
} break;
|
|
/* newline || end mark */
|
|
case '\0':
|
|
case '\n':
|
|
case '\r': {
|
|
ptr = icvGets( fs, fs->buffer_start, static_cast<int>(fs->buffer_end - fs->buffer_start) );
|
|
if ( !ptr ) { is_eof = true; break; }
|
|
} break;
|
|
/* other character */
|
|
default: {
|
|
if ( !cv_isprint(*ptr) )
|
|
CV_PARSE_ERROR( "Invalid character in the stream" );
|
|
is_completed = true;
|
|
} break;
|
|
}
|
|
}
|
|
|
|
if ( is_eof )
|
|
{
|
|
ptr = fs->buffer_start;
|
|
*ptr = '\0';
|
|
fs->dummy_eof = 1;
|
|
}
|
|
else if ( !is_completed )
|
|
{
|
|
/* should not be executed */
|
|
ptr = 0;
|
|
fs->dummy_eof = 1;
|
|
CV_PARSE_ERROR( "Abort at parse time" );
|
|
}
|
|
return ptr;
|
|
}
|
|
|
|
|
|
static char* icvJSONParseKey( CvFileStorage* fs, char* ptr, CvFileNode* map, CvFileNode** value_placeholder )
|
|
{
|
|
if( *ptr != '"' )
|
|
CV_PARSE_ERROR( "Key must start with \'\"\'" );
|
|
|
|
char * beg = ptr + 1;
|
|
char * end = beg;
|
|
|
|
do ++ptr;
|
|
while( cv_isprint(*ptr) && *ptr != '"' );
|
|
|
|
if( *ptr != '"' )
|
|
CV_PARSE_ERROR( "Key must end with \'\"\'" );
|
|
|
|
end = ptr;
|
|
ptr++;
|
|
ptr = icvJSONSkipSpaces( fs, ptr );
|
|
if ( ptr == 0 || fs->dummy_eof )
|
|
return 0;
|
|
|
|
if( *ptr != ':' )
|
|
CV_PARSE_ERROR( "Missing \':\' between key and value" );
|
|
|
|
/* [beg, end) */
|
|
if( end <= beg )
|
|
CV_PARSE_ERROR( "Key is empty" );
|
|
|
|
if ( end - beg == 7u && memcmp(beg, "type_id", 7u) == 0 )
|
|
{
|
|
*value_placeholder = 0;
|
|
}
|
|
else
|
|
{
|
|
CvStringHashNode* str_hash_node = cvGetHashedKey( fs, beg, static_cast<int>(end - beg), 1 );
|
|
*value_placeholder = cvGetFileNode( fs, map, str_hash_node, 1 );
|
|
}
|
|
|
|
ptr++;
|
|
return ptr;
|
|
}
|
|
|
|
static char* icvJSONParseValue( CvFileStorage* fs, char* ptr, CvFileNode* node )
|
|
{
|
|
ptr = icvJSONSkipSpaces( fs, ptr );
|
|
if ( ptr == 0 || fs->dummy_eof )
|
|
CV_PARSE_ERROR( "Unexpected End-Of-File" );
|
|
|
|
memset( node, 0, sizeof(*node) );
|
|
|
|
if ( *ptr == '"' )
|
|
{ /* must be string or Base64 string */
|
|
ptr++;
|
|
char * beg = ptr;
|
|
size_t len = 0u;
|
|
for ( ; (cv_isalnum(*ptr) || *ptr == '$' ) && len <= 9u; ptr++ )
|
|
len++;
|
|
|
|
if ( len >= 8u && memcmp( beg, "$base64$", 8u ) == 0 )
|
|
{ /**************** Base64 string ****************/
|
|
ptr = beg += 8;
|
|
|
|
std::string base64_buffer;
|
|
base64_buffer.reserve( PARSER_BASE64_BUFFER_SIZE );
|
|
|
|
bool is_matching = false;
|
|
while ( !is_matching )
|
|
{
|
|
switch ( *ptr )
|
|
{
|
|
case '\0':
|
|
{
|
|
base64_buffer.append( beg, ptr );
|
|
|
|
ptr = icvGets( fs, fs->buffer_start, static_cast<int>(fs->buffer_end - fs->buffer_start) );
|
|
if ( !ptr )
|
|
CV_PARSE_ERROR( "'\"' - right-quote of string is missing" );
|
|
|
|
beg = ptr;
|
|
break;
|
|
}
|
|
case '\"':
|
|
{
|
|
base64_buffer.append( beg, ptr );
|
|
beg = ptr;
|
|
is_matching = true;
|
|
break;
|
|
}
|
|
case '\n':
|
|
case '\r':
|
|
{
|
|
CV_PARSE_ERROR( "'\"' - right-quote of string is missing" );
|
|
break;
|
|
}
|
|
default:
|
|
{
|
|
ptr++;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
if ( *ptr != '\"' )
|
|
CV_PARSE_ERROR( "'\"' - right-quote of string is missing" );
|
|
else
|
|
ptr++;
|
|
|
|
if ( base64_buffer.size() >= base64::ENCODED_HEADER_SIZE )
|
|
{
|
|
const char * base64_beg = base64_buffer.data();
|
|
const char * base64_end = base64_beg + base64_buffer.size();
|
|
|
|
/* get dt from header */
|
|
std::string dt;
|
|
{
|
|
std::vector<char> header(base64::HEADER_SIZE + 1, ' ');
|
|
base64::base64_decode(base64_beg, header.data(), 0U, base64::ENCODED_HEADER_SIZE);
|
|
if ( !base64::read_base64_header(header, dt) || dt.empty() )
|
|
CV_PARSE_ERROR("Invalid `dt` in Base64 header");
|
|
}
|
|
|
|
/* set base64_beg to beginning of base64 data */
|
|
base64_beg = &base64_buffer.at( base64::ENCODED_HEADER_SIZE );
|
|
|
|
if ( base64_buffer.size() > base64::ENCODED_HEADER_SIZE )
|
|
{
|
|
if ( !base64::base64_valid( base64_beg, 0U, base64_end - base64_beg ) )
|
|
CV_PARSE_ERROR( "Invalid Base64 data." );
|
|
|
|
/* buffer for decoded data(exclude header) */
|
|
std::vector<uchar> binary_buffer( base64::base64_decode_buffer_size(base64_end - base64_beg) );
|
|
int total_byte_size = static_cast<int>(
|
|
base64::base64_decode_buffer_size( base64_end - base64_beg, base64_beg, false )
|
|
);
|
|
{
|
|
base64::Base64ContextParser parser(binary_buffer.data(), binary_buffer.size() );
|
|
const uchar * binary_beg = reinterpret_cast<const uchar *>( base64_beg );
|
|
const uchar * binary_end = binary_beg + (base64_end - base64_beg);
|
|
parser.read( binary_beg, binary_end );
|
|
parser.flush();
|
|
}
|
|
|
|
/* save as CvSeq */
|
|
int elem_size = ::icvCalcStructSize(dt.c_str(), 0);
|
|
if (total_byte_size % elem_size != 0)
|
|
CV_PARSE_ERROR("Byte size not match elememt size");
|
|
int elem_cnt = total_byte_size / elem_size;
|
|
|
|
/* after icvFSCreateCollection, node->tag == struct_flags */
|
|
icvFSCreateCollection(fs, CV_NODE_FLOW | CV_NODE_SEQ, node);
|
|
base64::make_seq(binary_buffer.data(), elem_cnt, dt.c_str(), *node->data.seq);
|
|
}
|
|
else
|
|
{
|
|
/* empty */
|
|
icvFSCreateCollection(fs, CV_NODE_FLOW | CV_NODE_SEQ, node);
|
|
}
|
|
}
|
|
else if ( base64_buffer.empty() )
|
|
{
|
|
/* empty */
|
|
icvFSCreateCollection(fs, CV_NODE_FLOW | CV_NODE_SEQ, node);
|
|
}
|
|
else
|
|
{
|
|
CV_PARSE_ERROR("Unrecognized Base64 header");
|
|
}
|
|
}
|
|
else
|
|
{ /**************** normal string ****************/
|
|
std::string string_buffer;
|
|
string_buffer.reserve( PARSER_BASE64_BUFFER_SIZE );
|
|
|
|
ptr = beg;
|
|
bool is_matching = false;
|
|
while ( !is_matching )
|
|
{
|
|
switch ( *ptr )
|
|
{
|
|
case '\\':
|
|
{
|
|
string_buffer.append( beg, ptr );
|
|
ptr++;
|
|
switch ( *ptr )
|
|
{
|
|
case '\\':
|
|
case '\"':
|
|
case '\'': { string_buffer.append( 1u, *ptr ); break; }
|
|
case 'n' : { string_buffer.append( 1u, '\n' ); break; }
|
|
case 'r' : { string_buffer.append( 1u, '\r' ); break; }
|
|
case 't' : { string_buffer.append( 1u, '\t' ); break; }
|
|
case 'b' : { string_buffer.append( 1u, '\b' ); break; }
|
|
case 'f' : { string_buffer.append( 1u, '\f' ); break; }
|
|
case 'u' : { CV_PARSE_ERROR( "'\\uXXXX' currently not supported" ); }
|
|
default : { CV_PARSE_ERROR( "Invalid escape character" ); }
|
|
break;
|
|
}
|
|
ptr++;
|
|
beg = ptr;
|
|
break;
|
|
}
|
|
case '\0':
|
|
{
|
|
string_buffer.append( beg, ptr );
|
|
|
|
ptr = icvGets( fs, fs->buffer_start, static_cast<int>(fs->buffer_end - fs->buffer_start) );
|
|
if ( !ptr )
|
|
CV_PARSE_ERROR( "'\"' - right-quote of string is missing" );
|
|
|
|
beg = ptr;
|
|
break;
|
|
}
|
|
case '\"':
|
|
{
|
|
string_buffer.append( beg, ptr );
|
|
beg = ptr;
|
|
is_matching = true;
|
|
break;
|
|
}
|
|
case '\n':
|
|
case '\r':
|
|
{
|
|
CV_PARSE_ERROR( "'\"' - right-quote of string is missing" );
|
|
break;
|
|
}
|
|
default:
|
|
{
|
|
ptr++;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
if ( *ptr != '\"' )
|
|
CV_PARSE_ERROR( "'\"' - right-quote of string is missing" );
|
|
else
|
|
ptr++;
|
|
|
|
node->data.str = cvMemStorageAllocString
|
|
(
|
|
fs->memstorage,
|
|
string_buffer.c_str(),
|
|
static_cast<int>(string_buffer.size())
|
|
);
|
|
node->tag = CV_NODE_STRING;
|
|
}
|
|
}
|
|
else if ( cv_isdigit(*ptr) || *ptr == '-' || *ptr == '+' || *ptr == '.' )
|
|
{ /**************** number ****************/
|
|
char * beg = ptr;
|
|
if ( *ptr == '+' || *ptr == '-' )
|
|
ptr++;
|
|
while( cv_isdigit(*ptr) )
|
|
ptr++;
|
|
if (*ptr == '.' || *ptr == 'e')
|
|
{
|
|
node->data.f = icv_strtod( fs, beg, &ptr );
|
|
node->tag = CV_NODE_REAL;
|
|
}
|
|
else
|
|
{
|
|
node->data.i = static_cast<int>(strtol( beg, &ptr, 0 ));
|
|
node->tag = CV_NODE_INT;
|
|
}
|
|
|
|
if ( beg >= ptr )
|
|
CV_PARSE_ERROR( "Invalid numeric value (inconsistent explicit type specification?)" );
|
|
}
|
|
else
|
|
{ /**************** other data ****************/
|
|
const char * beg = ptr;
|
|
size_t len = 0u;
|
|
for ( ; cv_isalpha(*ptr) && len <= 6u; ptr++ )
|
|
len++;
|
|
|
|
if ( len >= 4u && memcmp( beg, "null", 4u ) == 0 )
|
|
{
|
|
CV_PARSE_ERROR( "Value 'null' is not supported by this parser" );
|
|
}
|
|
else if ( len >= 4u && memcmp( beg, "true", 4u ) == 0 )
|
|
{
|
|
node->data.i = 1;
|
|
node->tag = CV_NODE_INT;
|
|
}
|
|
else if ( len >= 5u && memcmp( beg, "false", 5u ) == 0 )
|
|
{
|
|
node->data.i = 0;
|
|
node->tag = CV_NODE_INT;
|
|
}
|
|
else
|
|
{
|
|
CV_PARSE_ERROR( "Unrecognized value" );
|
|
}
|
|
ptr++;
|
|
}
|
|
|
|
return ptr;
|
|
}
|
|
|
|
static char* icvJSONParseSeq( CvFileStorage* fs, char* ptr, CvFileNode* node );
|
|
static char* icvJSONParseMap( CvFileStorage* fs, char* ptr, CvFileNode* node );
|
|
|
|
static char* icvJSONParseSeq( CvFileStorage* fs, char* ptr, CvFileNode* node )
|
|
{
|
|
if ( *ptr != '[' )
|
|
CV_PARSE_ERROR( "'[' - left-brace of seq is missing" );
|
|
else
|
|
ptr++;
|
|
|
|
memset( node, 0, sizeof(*node) );
|
|
icvFSCreateCollection( fs, CV_NODE_SEQ, node );
|
|
|
|
for (;;)
|
|
{
|
|
ptr = icvJSONSkipSpaces( fs, ptr );
|
|
if ( ptr == 0 || fs->dummy_eof )
|
|
break;
|
|
|
|
if ( *ptr != ']' )
|
|
{
|
|
CvFileNode* child = (CvFileNode*)cvSeqPush( node->data.seq, 0 );
|
|
|
|
if ( *ptr == '[' )
|
|
ptr = icvJSONParseSeq( fs, ptr, child );
|
|
else if ( *ptr == '{' )
|
|
ptr = icvJSONParseMap( fs, ptr, child );
|
|
else
|
|
ptr = icvJSONParseValue( fs, ptr, child );
|
|
}
|
|
|
|
ptr = icvJSONSkipSpaces( fs, ptr );
|
|
if ( ptr == 0 || fs->dummy_eof )
|
|
break;
|
|
|
|
if ( *ptr == ',' )
|
|
ptr++;
|
|
else if ( *ptr == ']' )
|
|
break;
|
|
else
|
|
CV_PARSE_ERROR( "Unexpected character" );
|
|
}
|
|
|
|
if ( *ptr != ']' )
|
|
CV_PARSE_ERROR( "']' - right-brace of seq is missing" );
|
|
else
|
|
ptr++;
|
|
|
|
return ptr;
|
|
}
|
|
|
|
static char* icvJSONParseMap( CvFileStorage* fs, char* ptr, CvFileNode* node )
|
|
{
|
|
if ( *ptr != '{' )
|
|
CV_PARSE_ERROR( "'{' - left-brace of map is missing" );
|
|
else
|
|
ptr++;
|
|
|
|
memset( node, 0, sizeof(*node) );
|
|
icvFSCreateCollection( fs, CV_NODE_MAP, node );
|
|
|
|
for ( ;; )
|
|
{
|
|
ptr = icvJSONSkipSpaces( fs, ptr );
|
|
if ( ptr == 0 || fs->dummy_eof )
|
|
break;
|
|
|
|
if ( *ptr == '"' )
|
|
{
|
|
CvFileNode* child = 0;
|
|
ptr = icvJSONParseKey( fs, ptr, node, &child );
|
|
ptr = icvJSONSkipSpaces( fs, ptr );
|
|
if ( ptr == 0 || fs->dummy_eof )
|
|
break;
|
|
|
|
if ( child == 0 )
|
|
{ /* type_id */
|
|
CvFileNode tmp;
|
|
ptr = icvJSONParseValue( fs, ptr, &tmp );
|
|
if ( CV_NODE_IS_STRING(tmp.tag) )
|
|
{
|
|
node->info = cvFindType( tmp.data.str.ptr );
|
|
if ( node->info )
|
|
node->tag |= CV_NODE_USER;
|
|
// delete tmp.data.str
|
|
}
|
|
else
|
|
{
|
|
CV_PARSE_ERROR( "\"type_id\" should be of type string" );
|
|
}
|
|
}
|
|
else
|
|
{ /* normal */
|
|
if ( *ptr == '[' )
|
|
ptr = icvJSONParseSeq( fs, ptr, child );
|
|
else if ( *ptr == '{' )
|
|
ptr = icvJSONParseMap( fs, ptr, child );
|
|
else
|
|
ptr = icvJSONParseValue( fs, ptr, child );
|
|
}
|
|
}
|
|
|
|
ptr = icvJSONSkipSpaces( fs, ptr );
|
|
if ( ptr == 0 || fs->dummy_eof )
|
|
break;
|
|
|
|
if ( *ptr == ',' )
|
|
ptr++;
|
|
else if ( *ptr == '}' )
|
|
break;
|
|
else
|
|
CV_PARSE_ERROR( "Unexpected character" );
|
|
}
|
|
|
|
if ( *ptr != '}' )
|
|
CV_PARSE_ERROR( "'}' - right-brace of map is missing" );
|
|
else
|
|
ptr++;
|
|
|
|
return ptr;
|
|
}
|
|
|
|
|
|
static void
|
|
icvJSONParse( CvFileStorage* fs )
|
|
{
|
|
char* ptr = fs->buffer_start;
|
|
ptr = icvJSONSkipSpaces( fs, ptr );
|
|
if ( ptr == 0 || fs->dummy_eof )
|
|
return;
|
|
|
|
if ( *ptr == '{' )
|
|
{
|
|
CvFileNode* root_node = (CvFileNode*)cvSeqPush( fs->roots, 0 );
|
|
ptr = icvJSONParseMap( fs, ptr, root_node );
|
|
}
|
|
else if ( *ptr == '[' )
|
|
{
|
|
CvFileNode* root_node = (CvFileNode*)cvSeqPush( fs->roots, 0 );
|
|
ptr = icvJSONParseSeq( fs, ptr, root_node );
|
|
}
|
|
else
|
|
{
|
|
CV_PARSE_ERROR( "left-brace of top level is missing" );
|
|
}
|
|
|
|
if ( fs->dummy_eof != 0 )
|
|
CV_PARSE_ERROR( "Unexpected End-Of-File" );
|
|
}
|
|
|
|
|
|
/****************************************************************************************\
|
|
* JSON Emitter *
|
|
\****************************************************************************************/
|
|
|
|
static void
|
|
icvJSONWrite( CvFileStorage* fs, const char* key, const char* data )
|
|
{
|
|
/* check write_struct */
|
|
|
|
check_if_write_struct_is_delayed( fs );
|
|
if ( fs->state_of_writing_base64 == base64::fs::Uncertain )
|
|
{
|
|
switch_to_Base64_state( fs, base64::fs::NotUse );
|
|
}
|
|
else if ( fs->state_of_writing_base64 == base64::fs::InUse )
|
|
{
|
|
CV_Error( CV_StsError, "At present, output Base64 data only." );
|
|
}
|
|
|
|
/* check parameters */
|
|
|
|
size_t key_len = 0u;
|
|
if( key && *key == '\0' )
|
|
key = 0;
|
|
if ( key )
|
|
{
|
|
key_len = strlen(key);
|
|
if ( key_len == 0u )
|
|
CV_Error( CV_StsBadArg, "The key is an empty" );
|
|
else if ( static_cast<int>(key_len) > CV_FS_MAX_LEN )
|
|
CV_Error( CV_StsBadArg, "The key is too long" );
|
|
}
|
|
|
|
size_t data_len = 0u;
|
|
if ( data )
|
|
data_len = strlen(data);
|
|
|
|
int struct_flags = fs->struct_flags;
|
|
if( CV_NODE_IS_COLLECTION(struct_flags) )
|
|
{
|
|
if ( (CV_NODE_IS_MAP(struct_flags) ^ (key != 0)) )
|
|
CV_Error( CV_StsBadArg, "An attempt to add element without a key to a map, "
|
|
"or add element with key to sequence" );
|
|
} else {
|
|
fs->is_first = 0;
|
|
struct_flags = CV_NODE_EMPTY | (key ? CV_NODE_MAP : CV_NODE_SEQ);
|
|
}
|
|
|
|
/* start to write */
|
|
|
|
char* ptr = 0;
|
|
|
|
if( CV_NODE_IS_FLOW(struct_flags) )
|
|
{
|
|
int new_offset;
|
|
ptr = fs->buffer;
|
|
if( !CV_NODE_IS_EMPTY(struct_flags) )
|
|
*ptr++ = ',';
|
|
new_offset = static_cast<int>(ptr - fs->buffer_start + key_len + data_len);
|
|
if( new_offset > fs->wrap_margin && new_offset - fs->struct_indent > 10 )
|
|
{
|
|
fs->buffer = ptr;
|
|
ptr = icvFSFlush(fs);
|
|
}
|
|
else
|
|
*ptr++ = ' ';
|
|
}
|
|
else
|
|
{
|
|
if ( !CV_NODE_IS_EMPTY(struct_flags) )
|
|
{
|
|
ptr = fs->buffer;
|
|
*ptr++ = ',';
|
|
*ptr++ = '\n';
|
|
*ptr++ = '\0';
|
|
::icvPuts( fs, fs->buffer_start );
|
|
ptr = fs->buffer = fs->buffer_start;
|
|
}
|
|
ptr = icvFSFlush(fs);
|
|
}
|
|
|
|
if( key )
|
|
{
|
|
if( !cv_isalpha(key[0]) && key[0] != '_' )
|
|
CV_Error( CV_StsBadArg, "Key must start with a letter or _" );
|
|
|
|
ptr = icvFSResizeWriteBuffer( fs, ptr, static_cast<int>(key_len) );
|
|
*ptr++ = '\"';
|
|
|
|
for( size_t i = 0u; i < key_len; i++ )
|
|
{
|
|
char c = key[i];
|
|
|
|
ptr[i] = c;
|
|
if( !cv_isalnum(c) && c != '-' && c != '_' && c != ' ' )
|
|
CV_Error( CV_StsBadArg, "Key names may only contain alphanumeric characters [a-zA-Z0-9], '-', '_' and ' '" );
|
|
}
|
|
|
|
ptr += key_len;
|
|
*ptr++ = '\"';
|
|
*ptr++ = ':';
|
|
*ptr++ = ' ';
|
|
}
|
|
|
|
if( data )
|
|
{
|
|
ptr = icvFSResizeWriteBuffer( fs, ptr, static_cast<int>(data_len) );
|
|
memcpy( ptr, data, data_len );
|
|
ptr += data_len;
|
|
}
|
|
|
|
fs->buffer = ptr;
|
|
fs->struct_flags = struct_flags & ~CV_NODE_EMPTY;
|
|
}
|
|
|
|
|
|
static void
|
|
icvJSONStartWriteStruct( CvFileStorage* fs, const char* key, int struct_flags,
|
|
const char* type_name CV_DEFAULT(0))
|
|
{
|
|
int parent_flags;
|
|
char data[CV_FS_MAX_LEN + 1024];
|
|
|
|
struct_flags = (struct_flags & (CV_NODE_TYPE_MASK|CV_NODE_FLOW)) | CV_NODE_EMPTY;
|
|
if( !CV_NODE_IS_COLLECTION(struct_flags))
|
|
CV_Error( CV_StsBadArg,
|
|
"Some collection type - CV_NODE_SEQ or CV_NODE_MAP, must be specified" );
|
|
|
|
if ( type_name && *type_name == '\0' )
|
|
type_name = 0;
|
|
|
|
bool has_type_id = false;
|
|
bool is_real_collection = true;
|
|
if (type_name && memcmp(type_name, "binary", 6) == 0)
|
|
{
|
|
struct_flags = CV_NODE_STR;
|
|
data[0] = '\0';
|
|
is_real_collection = false;
|
|
}
|
|
else if( type_name )
|
|
{
|
|
has_type_id = true;
|
|
}
|
|
|
|
if ( is_real_collection )
|
|
{
|
|
char c = CV_NODE_IS_MAP(struct_flags) ? '{' : '[';
|
|
data[0] = c;
|
|
data[1] = '\0';
|
|
}
|
|
|
|
icvJSONWrite( fs, key, data );
|
|
|
|
parent_flags = fs->struct_flags;
|
|
cvSeqPush( fs->write_stack, &parent_flags );
|
|
fs->struct_flags = struct_flags;
|
|
fs->struct_indent += 4;
|
|
|
|
if ( has_type_id )
|
|
fs->write_string( fs, "type_id", type_name, 1 );
|
|
}
|
|
|
|
|
|
static void
|
|
icvJSONEndWriteStruct( CvFileStorage* fs )
|
|
{
|
|
if( fs->write_stack->total == 0 )
|
|
CV_Error( CV_StsError, "EndWriteStruct w/o matching StartWriteStruct" );
|
|
|
|
int parent_flags = 0;
|
|
int struct_flags = fs->struct_flags;
|
|
cvSeqPop( fs->write_stack, &parent_flags );
|
|
fs->struct_indent -= 4;
|
|
fs->struct_flags = parent_flags & ~CV_NODE_EMPTY;
|
|
assert( fs->struct_indent >= 0 );
|
|
|
|
if ( CV_NODE_IS_COLLECTION(struct_flags) )
|
|
{
|
|
if ( !CV_NODE_IS_FLOW(struct_flags) )
|
|
{
|
|
if ( fs->buffer <= fs->buffer_start + fs->space )
|
|
{
|
|
/* some bad code for base64_writer... */
|
|
*fs->buffer++ = '\n';
|
|
*fs->buffer++ = '\0';
|
|
icvPuts( fs, fs->buffer_start );
|
|
fs->buffer = fs->buffer_start;
|
|
}
|
|
icvFSFlush(fs);
|
|
}
|
|
|
|
char* ptr = fs->buffer;
|
|
if( ptr > fs->buffer_start + fs->struct_indent && !CV_NODE_IS_EMPTY(struct_flags) )
|
|
*ptr++ = ' ';
|
|
*ptr++ = CV_NODE_IS_MAP(struct_flags) ? '}' : ']';
|
|
fs->buffer = ptr;
|
|
}
|
|
}
|
|
|
|
|
|
static void
|
|
icvJSONStartNextStream( CvFileStorage* fs )
|
|
{
|
|
if( !fs->is_first )
|
|
{
|
|
while( fs->write_stack->total > 0 )
|
|
icvJSONEndWriteStruct(fs);
|
|
|
|
fs->struct_indent = 4;
|
|
icvFSFlush(fs);
|
|
fs->buffer = fs->buffer_start;
|
|
}
|
|
}
|
|
|
|
|
|
static void
|
|
icvJSONWriteInt( CvFileStorage* fs, const char* key, int value )
|
|
{
|
|
char buf[128];
|
|
icvJSONWrite( fs, key, icv_itoa( value, buf, 10 ));
|
|
}
|
|
|
|
|
|
static void
|
|
icvJSONWriteReal( CvFileStorage* fs, const char* key, double value )
|
|
{
|
|
char buf[128];
|
|
size_t len = strlen( icvDoubleToString( buf, value ) );
|
|
if( len > 0 && buf[len-1] == '.' )
|
|
{
|
|
// append zero if string ends with decimal place to match JSON standard
|
|
buf[len] = '0';
|
|
buf[len+1] = '\0';
|
|
}
|
|
icvJSONWrite( fs, key, buf );
|
|
}
|
|
|
|
|
|
static void
|
|
icvJSONWriteString( CvFileStorage* fs, const char* key,
|
|
const char* str, int quote CV_DEFAULT(0))
|
|
{
|
|
char buf[CV_FS_MAX_LEN*4+16];
|
|
char* data = (char*)str;
|
|
int i, len;
|
|
|
|
if( !str )
|
|
CV_Error( CV_StsNullPtr, "Null string pointer" );
|
|
|
|
len = (int)strlen(str);
|
|
if( len > CV_FS_MAX_LEN )
|
|
CV_Error( CV_StsBadArg, "The written string is too long" );
|
|
|
|
if( quote || len == 0 || str[0] != str[len-1] || (str[0] != '\"' && str[0] != '\'') )
|
|
{
|
|
int need_quote = 1;
|
|
data = buf;
|
|
*data++ = '\"';
|
|
for( i = 0; i < len; i++ )
|
|
{
|
|
char c = str[i];
|
|
|
|
switch ( c )
|
|
{
|
|
case '\\':
|
|
case '\"':
|
|
case '\'': { *data++ = '\\'; *data++ = c; break; }
|
|
case '\n': { *data++ = '\\'; *data++ = 'n'; break; }
|
|
case '\r': { *data++ = '\\'; *data++ = 'r'; break; }
|
|
case '\t': { *data++ = '\\'; *data++ = 't'; break; }
|
|
case '\b': { *data++ = '\\'; *data++ = 'b'; break; }
|
|
case '\f': { *data++ = '\\'; *data++ = 'f'; break; }
|
|
default : { *data++ = c; }
|
|
break;
|
|
}
|
|
}
|
|
|
|
*data++ = '\"';
|
|
*data++ = '\0';
|
|
data = buf + !need_quote;
|
|
}
|
|
|
|
icvJSONWrite( fs, key, data );
|
|
}
|
|
|
|
|
|
static void
|
|
icvJSONWriteComment( CvFileStorage* fs, const char* comment, int eol_comment )
|
|
{
|
|
if( !comment )
|
|
CV_Error( CV_StsNullPtr, "Null comment" );
|
|
|
|
int len = static_cast<int>(strlen(comment));
|
|
char* ptr = fs->buffer;
|
|
const char* eol = strchr(comment, '\n');
|
|
bool multiline = eol != 0;
|
|
|
|
if( !eol_comment || multiline || fs->buffer_end - ptr < len || ptr == fs->buffer_start )
|
|
ptr = icvFSFlush( fs );
|
|
else
|
|
*ptr++ = ' ';
|
|
|
|
while( comment )
|
|
{
|
|
*ptr++ = '/';
|
|
*ptr++ = '/';
|
|
*ptr++ = ' ';
|
|
if( eol )
|
|
{
|
|
ptr = icvFSResizeWriteBuffer( fs, ptr, (int)(eol - comment) + 1 );
|
|
memcpy( ptr, comment, eol - comment + 1 );
|
|
fs->buffer = ptr + (eol - comment);
|
|
comment = eol + 1;
|
|
eol = strchr( comment, '\n' );
|
|
}
|
|
else
|
|
{
|
|
len = (int)strlen(comment);
|
|
ptr = icvFSResizeWriteBuffer( fs, ptr, len );
|
|
memcpy( ptr, comment, len );
|
|
fs->buffer = ptr + len;
|
|
comment = 0;
|
|
}
|
|
ptr = icvFSFlush( fs );
|
|
}
|
|
}
|
|
|
|
|
|
/****************************************************************************************\
|
|
* Common High-Level Functions *
|
|
\****************************************************************************************/
|
|
|
|
CV_IMPL CvFileStorage*
|
|
cvOpenFileStorage( const char* query, CvMemStorage* dststorage, int flags, const char* encoding )
|
|
{
|
|
CvFileStorage* fs = 0;
|
|
int default_block_size = 1 << 18;
|
|
bool append = (flags & 3) == CV_STORAGE_APPEND;
|
|
bool mem = (flags & CV_STORAGE_MEMORY) != 0;
|
|
bool write_mode = (flags & 3) != 0;
|
|
bool write_base64 = (write_mode || append) && (flags & CV_STORAGE_BASE64) != 0;
|
|
bool isGZ = false;
|
|
size_t fnamelen = 0;
|
|
const char * filename = query;
|
|
|
|
std::vector<std::string> params;
|
|
if ( !mem )
|
|
{
|
|
params = analyze_file_name( query );
|
|
if ( !params.empty() )
|
|
filename = params.begin()->c_str();
|
|
|
|
if ( write_base64 == false && is_param_exist( params, "base64" ) )
|
|
write_base64 = (write_mode || append);
|
|
}
|
|
|
|
if( !filename || filename[0] == '\0' )
|
|
{
|
|
if( !write_mode )
|
|
CV_Error( CV_StsNullPtr, mem ? "NULL or empty filename" : "NULL or empty buffer" );
|
|
mem = true;
|
|
}
|
|
else
|
|
fnamelen = strlen(filename);
|
|
|
|
if( mem && append )
|
|
CV_Error( CV_StsBadFlag, "CV_STORAGE_APPEND and CV_STORAGE_MEMORY are not currently compatible" );
|
|
|
|
fs = (CvFileStorage*)cvAlloc( sizeof(*fs) );
|
|
memset( fs, 0, sizeof(*fs));
|
|
|
|
fs->memstorage = cvCreateMemStorage( default_block_size );
|
|
fs->dststorage = dststorage ? dststorage : fs->memstorage;
|
|
|
|
fs->flags = CV_FILE_STORAGE;
|
|
fs->write_mode = write_mode;
|
|
|
|
if( !mem )
|
|
{
|
|
fs->filename = (char*)cvMemStorageAlloc( fs->memstorage, fnamelen+1 );
|
|
strcpy( fs->filename, filename );
|
|
|
|
char* dot_pos = strrchr(fs->filename, '.');
|
|
char compression = '\0';
|
|
|
|
if( dot_pos && dot_pos[1] == 'g' && dot_pos[2] == 'z' &&
|
|
(dot_pos[3] == '\0' || (cv_isdigit(dot_pos[3]) && dot_pos[4] == '\0')) )
|
|
{
|
|
if( append )
|
|
{
|
|
cvReleaseFileStorage( &fs );
|
|
CV_Error(CV_StsNotImplemented, "Appending data to compressed file is not implemented" );
|
|
}
|
|
isGZ = true;
|
|
compression = dot_pos[3];
|
|
if( compression )
|
|
dot_pos[3] = '\0', fnamelen--;
|
|
}
|
|
|
|
if( !isGZ )
|
|
{
|
|
fs->file = fopen(fs->filename, !fs->write_mode ? "rt" : !append ? "wt" : "a+t" );
|
|
if( !fs->file )
|
|
goto _exit_;
|
|
}
|
|
else
|
|
{
|
|
#if USE_ZLIB
|
|
char mode[] = { fs->write_mode ? 'w' : 'r', 'b', compression ? compression : '3', '\0' };
|
|
fs->gzfile = gzopen(fs->filename, mode);
|
|
if( !fs->gzfile )
|
|
goto _exit_;
|
|
#else
|
|
cvReleaseFileStorage( &fs );
|
|
CV_Error(CV_StsNotImplemented, "There is no compressed file storage support in this configuration");
|
|
#endif
|
|
}
|
|
}
|
|
|
|
fs->roots = 0;
|
|
fs->struct_indent = 0;
|
|
fs->struct_flags = 0;
|
|
fs->wrap_margin = 71;
|
|
|
|
if( fs->write_mode )
|
|
{
|
|
int fmt = flags & CV_STORAGE_FORMAT_MASK;
|
|
|
|
if( mem )
|
|
fs->outbuf = new std::deque<char>;
|
|
|
|
if( fmt == CV_STORAGE_FORMAT_AUTO && filename )
|
|
{
|
|
const char* dot_pos = strrchr( filename, '.' );
|
|
fs->fmt
|
|
= cv_strcasecmp( dot_pos, ".xml" )
|
|
? CV_STORAGE_FORMAT_XML
|
|
: cv_strcasecmp( dot_pos, ".json" )
|
|
? CV_STORAGE_FORMAT_JSON
|
|
: CV_STORAGE_FORMAT_YAML
|
|
;
|
|
}
|
|
else if ( fmt != CV_STORAGE_FORMAT_AUTO )
|
|
{
|
|
fs->fmt = fmt;
|
|
}
|
|
else
|
|
{
|
|
fs->fmt = CV_STORAGE_FORMAT_XML;
|
|
}
|
|
|
|
// we use factor=6 for XML (the longest characters (' and ") are encoded with 6 bytes (' and ")
|
|
// and factor=4 for YAML ( as we use 4 bytes for non ASCII characters (e.g. \xAB))
|
|
int buf_size = CV_FS_MAX_LEN*(fs->fmt == CV_STORAGE_FORMAT_XML ? 6 : 4) + 1024;
|
|
|
|
if( append )
|
|
fseek( fs->file, 0, SEEK_END );
|
|
|
|
fs->write_stack = cvCreateSeq( 0, sizeof(CvSeq), fs->fmt == CV_STORAGE_FORMAT_XML ?
|
|
sizeof(CvXMLStackRecord) : sizeof(int), fs->memstorage );
|
|
fs->is_first = 1;
|
|
fs->struct_indent = 0;
|
|
fs->struct_flags = CV_NODE_EMPTY;
|
|
fs->buffer_start = fs->buffer = (char*)cvAlloc( buf_size + 1024 );
|
|
fs->buffer_end = fs->buffer_start + buf_size;
|
|
|
|
fs->base64_writer = 0;
|
|
fs->is_default_using_base64 = write_base64;
|
|
fs->state_of_writing_base64 = base64::fs::Uncertain;
|
|
|
|
fs->is_write_struct_delayed = false;
|
|
fs->delayed_struct_key = 0;
|
|
fs->delayed_struct_flags = 0;
|
|
fs->delayed_type_name = 0;
|
|
|
|
if( fs->fmt == CV_STORAGE_FORMAT_XML )
|
|
{
|
|
size_t file_size = fs->file ? (size_t)ftell( fs->file ) : (size_t)0;
|
|
fs->strstorage = cvCreateChildMemStorage( fs->memstorage );
|
|
if( !append || file_size == 0 )
|
|
{
|
|
if( encoding )
|
|
{
|
|
if( strcmp( encoding, "UTF-16" ) == 0 ||
|
|
strcmp( encoding, "utf-16" ) == 0 ||
|
|
strcmp( encoding, "Utf-16" ) == 0 )
|
|
{
|
|
cvReleaseFileStorage( &fs );
|
|
CV_Error( CV_StsBadArg, "UTF-16 XML encoding is not supported! Use 8-bit encoding\n");
|
|
}
|
|
|
|
CV_Assert( strlen(encoding) < 1000 );
|
|
char buf[1100];
|
|
sprintf(buf, "<?xml version=\"1.0\" encoding=\"%s\"?>\n", encoding);
|
|
icvPuts( fs, buf );
|
|
}
|
|
else
|
|
icvPuts( fs, "<?xml version=\"1.0\"?>\n" );
|
|
icvPuts( fs, "<opencv_storage>\n" );
|
|
}
|
|
else
|
|
{
|
|
int xml_buf_size = 1 << 10;
|
|
char substr[] = "</opencv_storage>";
|
|
int last_occurence = -1;
|
|
xml_buf_size = MIN(xml_buf_size, int(file_size));
|
|
fseek( fs->file, -xml_buf_size, SEEK_END );
|
|
char* xml_buf = (char*)cvAlloc( xml_buf_size+2 );
|
|
// find the last occurence of </opencv_storage>
|
|
for(;;)
|
|
{
|
|
int line_offset = (int)ftell( fs->file );
|
|
char* ptr0 = icvGets( fs, xml_buf, xml_buf_size ), *ptr;
|
|
if( !ptr0 )
|
|
break;
|
|
ptr = ptr0;
|
|
for(;;)
|
|
{
|
|
ptr = strstr( ptr, substr );
|
|
if( !ptr )
|
|
break;
|
|
last_occurence = line_offset + (int)(ptr - ptr0);
|
|
ptr += strlen(substr);
|
|
}
|
|
}
|
|
cvFree( &xml_buf );
|
|
if( last_occurence < 0 )
|
|
{
|
|
cvReleaseFileStorage( &fs );
|
|
CV_Error( CV_StsError, "Could not find </opencv_storage> in the end of file.\n" );
|
|
}
|
|
icvCloseFile( fs );
|
|
fs->file = fopen( fs->filename, "r+t" );
|
|
fseek( fs->file, last_occurence, SEEK_SET );
|
|
// replace the last "</opencv_storage>" with " <!-- resumed -->", which has the same length
|
|
icvPuts( fs, " <!-- resumed -->" );
|
|
fseek( fs->file, 0, SEEK_END );
|
|
icvPuts( fs, "\n" );
|
|
}
|
|
fs->start_write_struct = icvXMLStartWriteStruct;
|
|
fs->end_write_struct = icvXMLEndWriteStruct;
|
|
fs->write_int = icvXMLWriteInt;
|
|
fs->write_real = icvXMLWriteReal;
|
|
fs->write_string = icvXMLWriteString;
|
|
fs->write_comment = icvXMLWriteComment;
|
|
fs->start_next_stream = icvXMLStartNextStream;
|
|
}
|
|
else if( fs->fmt == CV_STORAGE_FORMAT_YAML )
|
|
{
|
|
if( !append )
|
|
icvPuts( fs, "%YAML:1.0\n---\n" );
|
|
else
|
|
icvPuts( fs, "...\n---\n" );
|
|
fs->start_write_struct = icvYMLStartWriteStruct;
|
|
fs->end_write_struct = icvYMLEndWriteStruct;
|
|
fs->write_int = icvYMLWriteInt;
|
|
fs->write_real = icvYMLWriteReal;
|
|
fs->write_string = icvYMLWriteString;
|
|
fs->write_comment = icvYMLWriteComment;
|
|
fs->start_next_stream = icvYMLStartNextStream;
|
|
}
|
|
else
|
|
{
|
|
if( !append )
|
|
icvPuts( fs, "{\n" );
|
|
else
|
|
{
|
|
bool valid = false;
|
|
long roffset = 0;
|
|
for ( ;
|
|
fseek( fs->file, roffset, SEEK_END ) == 0;
|
|
roffset -= 1 )
|
|
{
|
|
const char end_mark = '}';
|
|
if ( fgetc( fs->file ) == end_mark )
|
|
{
|
|
fseek( fs->file, roffset, SEEK_END );
|
|
valid = true;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if ( valid )
|
|
{
|
|
icvCloseFile( fs );
|
|
fs->file = fopen( fs->filename, "r+t" );
|
|
fseek( fs->file, roffset, SEEK_END );
|
|
fputs( ",", fs->file );
|
|
}
|
|
else
|
|
{
|
|
CV_Error( CV_StsError, "Could not find '}' in the end of file.\n" );
|
|
}
|
|
}
|
|
fs->struct_indent = 4;
|
|
fs->start_write_struct = icvJSONStartWriteStruct;
|
|
fs->end_write_struct = icvJSONEndWriteStruct;
|
|
fs->write_int = icvJSONWriteInt;
|
|
fs->write_real = icvJSONWriteReal;
|
|
fs->write_string = icvJSONWriteString;
|
|
fs->write_comment = icvJSONWriteComment;
|
|
fs->start_next_stream = icvJSONStartNextStream;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if( mem )
|
|
{
|
|
fs->strbuf = filename;
|
|
fs->strbufsize = fnamelen;
|
|
}
|
|
|
|
size_t buf_size = 1 << 20;
|
|
const char* yaml_signature = "%YAML";
|
|
const char* json_signature = "{";
|
|
const char* xml_signature = "<?xml";
|
|
char buf[16];
|
|
icvGets( fs, buf, sizeof(buf)-2 );
|
|
char* bufPtr = cv_skip_BOM(buf);
|
|
size_t bufOffset = bufPtr - buf;
|
|
|
|
if(strncmp( bufPtr, yaml_signature, strlen(yaml_signature) ) == 0)
|
|
fs->fmt = CV_STORAGE_FORMAT_YAML;
|
|
else if(strncmp( bufPtr, json_signature, strlen(json_signature) ) == 0)
|
|
fs->fmt = CV_STORAGE_FORMAT_JSON;
|
|
else if(strncmp( bufPtr, xml_signature, strlen(xml_signature) ) == 0)
|
|
fs->fmt = CV_STORAGE_FORMAT_XML;
|
|
else if(fs->strbufsize == bufOffset)
|
|
CV_Error(CV_BADARG_ERR, "Input file is empty");
|
|
else
|
|
CV_Error(CV_BADARG_ERR, "Unsupported file storage format");
|
|
|
|
if( !isGZ )
|
|
{
|
|
if( !mem )
|
|
{
|
|
fseek( fs->file, 0, SEEK_END );
|
|
buf_size = ftell( fs->file );
|
|
}
|
|
else
|
|
buf_size = fs->strbufsize;
|
|
buf_size = MIN( buf_size, (size_t)(1 << 20) );
|
|
buf_size = MAX( buf_size, (size_t)(CV_FS_MAX_LEN*2 + 1024) );
|
|
}
|
|
icvRewind(fs);
|
|
fs->strbufpos = bufOffset;
|
|
|
|
fs->str_hash = cvCreateMap( 0, sizeof(CvStringHash),
|
|
sizeof(CvStringHashNode), fs->memstorage, 256 );
|
|
|
|
fs->roots = cvCreateSeq( 0, sizeof(CvSeq),
|
|
sizeof(CvFileNode), fs->memstorage );
|
|
|
|
fs->buffer = fs->buffer_start = (char*)cvAlloc( buf_size + 256 );
|
|
fs->buffer_end = fs->buffer_start + buf_size;
|
|
fs->buffer[0] = '\n';
|
|
fs->buffer[1] = '\0';
|
|
|
|
//mode = cvGetErrMode();
|
|
//cvSetErrMode( CV_ErrModeSilent );
|
|
try
|
|
{
|
|
switch (fs->fmt)
|
|
{
|
|
case CV_STORAGE_FORMAT_XML : { icvXMLParse ( fs ); break; }
|
|
case CV_STORAGE_FORMAT_YAML: { icvYMLParse ( fs ); break; }
|
|
case CV_STORAGE_FORMAT_JSON: { icvJSONParse( fs ); break; }
|
|
default: break;
|
|
}
|
|
}
|
|
catch (...)
|
|
{
|
|
cvReleaseFileStorage( &fs );
|
|
throw;
|
|
}
|
|
//cvSetErrMode( mode );
|
|
|
|
// release resources that we do not need anymore
|
|
cvFree( &fs->buffer_start );
|
|
fs->buffer = fs->buffer_end = 0;
|
|
}
|
|
fs->is_opened = true;
|
|
|
|
_exit_:
|
|
if( fs )
|
|
{
|
|
if( cvGetErrStatus() < 0 || (!fs->file && !fs->gzfile && !fs->outbuf && !fs->strbuf) )
|
|
{
|
|
cvReleaseFileStorage( &fs );
|
|
}
|
|
else if( !fs->write_mode )
|
|
{
|
|
icvCloseFile(fs);
|
|
// we close the file since it's not needed anymore. But icvCloseFile() resets is_opened,
|
|
// which may be misleading. Since we restore the value of is_opened.
|
|
fs->is_opened = true;
|
|
}
|
|
}
|
|
|
|
return fs;
|
|
}
|
|
|
|
|
|
CV_IMPL void
|
|
cvStartWriteStruct( CvFileStorage* fs, const char* key, int struct_flags,
|
|
const char* type_name, CvAttrList /*attributes*/ )
|
|
{
|
|
CV_CHECK_OUTPUT_FILE_STORAGE(fs);
|
|
check_if_write_struct_is_delayed( fs );
|
|
if ( fs->state_of_writing_base64 == base64::fs::NotUse )
|
|
switch_to_Base64_state( fs, base64::fs::Uncertain );
|
|
|
|
if ( fs->state_of_writing_base64 == base64::fs::Uncertain
|
|
&&
|
|
CV_NODE_IS_SEQ(struct_flags)
|
|
&&
|
|
fs->is_default_using_base64
|
|
&&
|
|
type_name == 0
|
|
)
|
|
{
|
|
/* Uncertain whether output Base64 data */
|
|
make_write_struct_delayed( fs, key, struct_flags, type_name );
|
|
}
|
|
else if ( type_name && memcmp(type_name, "binary", 6) == 0 )
|
|
{
|
|
/* Must output Base64 data */
|
|
if ( !CV_NODE_IS_SEQ(struct_flags) )
|
|
CV_Error( CV_StsBadArg, "must set 'struct_flags |= CV_NODE_SEQ' if using Base64.");
|
|
else if ( fs->state_of_writing_base64 != base64::fs::Uncertain )
|
|
CV_Error( CV_StsError, "function \'cvStartWriteStruct\' calls cannot be nested if using Base64.");
|
|
|
|
fs->start_write_struct( fs, key, struct_flags, type_name );
|
|
|
|
if ( fs->state_of_writing_base64 != base64::fs::Uncertain )
|
|
switch_to_Base64_state( fs, base64::fs::Uncertain );
|
|
switch_to_Base64_state( fs, base64::fs::InUse );
|
|
}
|
|
else
|
|
{
|
|
/* Won't output Base64 data */
|
|
if ( fs->state_of_writing_base64 == base64::fs::InUse )
|
|
CV_Error( CV_StsError, "At the end of the output Base64, `cvEndWriteStruct` is needed.");
|
|
|
|
fs->start_write_struct( fs, key, struct_flags, type_name );
|
|
|
|
if ( fs->state_of_writing_base64 != base64::fs::Uncertain )
|
|
switch_to_Base64_state( fs, base64::fs::Uncertain );
|
|
switch_to_Base64_state( fs, base64::fs::NotUse );
|
|
}
|
|
}
|
|
|
|
|
|
CV_IMPL void
|
|
cvEndWriteStruct( CvFileStorage* fs )
|
|
{
|
|
CV_CHECK_OUTPUT_FILE_STORAGE(fs);
|
|
check_if_write_struct_is_delayed( fs );
|
|
|
|
if ( fs->state_of_writing_base64 != base64::fs::Uncertain )
|
|
switch_to_Base64_state( fs, base64::fs::Uncertain );
|
|
|
|
fs->end_write_struct( fs );
|
|
}
|
|
|
|
|
|
CV_IMPL void
|
|
cvWriteInt( CvFileStorage* fs, const char* key, int value )
|
|
{
|
|
CV_CHECK_OUTPUT_FILE_STORAGE(fs);
|
|
fs->write_int( fs, key, value );
|
|
}
|
|
|
|
|
|
CV_IMPL void
|
|
cvWriteReal( CvFileStorage* fs, const char* key, double value )
|
|
{
|
|
CV_CHECK_OUTPUT_FILE_STORAGE(fs);
|
|
fs->write_real( fs, key, value );
|
|
}
|
|
|
|
|
|
CV_IMPL void
|
|
cvWriteString( CvFileStorage* fs, const char* key, const char* value, int quote )
|
|
{
|
|
CV_CHECK_OUTPUT_FILE_STORAGE(fs);
|
|
fs->write_string( fs, key, value, quote );
|
|
}
|
|
|
|
|
|
CV_IMPL void
|
|
cvWriteComment( CvFileStorage* fs, const char* comment, int eol_comment )
|
|
{
|
|
CV_CHECK_OUTPUT_FILE_STORAGE(fs);
|
|
fs->write_comment( fs, comment, eol_comment );
|
|
}
|
|
|
|
|
|
CV_IMPL void
|
|
cvStartNextStream( CvFileStorage* fs )
|
|
{
|
|
CV_CHECK_OUTPUT_FILE_STORAGE(fs);
|
|
fs->start_next_stream( fs );
|
|
}
|
|
|
|
|
|
static const char icvTypeSymbol[] = "ucwsifdr";
|
|
#define CV_FS_MAX_FMT_PAIRS 128
|
|
|
|
static char*
|
|
icvEncodeFormat( int elem_type, char* dt )
|
|
{
|
|
sprintf( dt, "%d%c", CV_MAT_CN(elem_type), icvTypeSymbol[CV_MAT_DEPTH(elem_type)] );
|
|
return dt + ( dt[2] == '\0' && dt[0] == '1' );
|
|
}
|
|
|
|
static int
|
|
icvDecodeFormat( const char* dt, int* fmt_pairs, int max_len )
|
|
{
|
|
int fmt_pair_count = 0;
|
|
int i = 0, k = 0, len = dt ? (int)strlen(dt) : 0;
|
|
|
|
if( !dt || !len )
|
|
return 0;
|
|
|
|
assert( fmt_pairs != 0 && max_len > 0 );
|
|
fmt_pairs[0] = 0;
|
|
max_len *= 2;
|
|
|
|
for( ; k < len; k++ )
|
|
{
|
|
char c = dt[k];
|
|
|
|
if( cv_isdigit(c) )
|
|
{
|
|
int count = c - '0';
|
|
if( cv_isdigit(dt[k+1]) )
|
|
{
|
|
char* endptr = 0;
|
|
count = (int)strtol( dt+k, &endptr, 10 );
|
|
k = (int)(endptr - dt) - 1;
|
|
}
|
|
|
|
if( count <= 0 )
|
|
CV_Error( CV_StsBadArg, "Invalid data type specification" );
|
|
|
|
fmt_pairs[i] = count;
|
|
}
|
|
else
|
|
{
|
|
const char* pos = strchr( icvTypeSymbol, c );
|
|
if( !pos )
|
|
CV_Error( CV_StsBadArg, "Invalid data type specification" );
|
|
if( fmt_pairs[i] == 0 )
|
|
fmt_pairs[i] = 1;
|
|
fmt_pairs[i+1] = (int)(pos - icvTypeSymbol);
|
|
if( i > 0 && fmt_pairs[i+1] == fmt_pairs[i-1] )
|
|
fmt_pairs[i-2] += fmt_pairs[i];
|
|
else
|
|
{
|
|
i += 2;
|
|
if( i >= max_len )
|
|
CV_Error( CV_StsBadArg, "Too long data type specification" );
|
|
}
|
|
fmt_pairs[i] = 0;
|
|
}
|
|
}
|
|
|
|
fmt_pair_count = i/2;
|
|
return fmt_pair_count;
|
|
}
|
|
|
|
|
|
static int
|
|
icvCalcElemSize( const char* dt, int initial_size )
|
|
{
|
|
int size = 0;
|
|
int fmt_pairs[CV_FS_MAX_FMT_PAIRS], i, fmt_pair_count;
|
|
int comp_size;
|
|
|
|
fmt_pair_count = icvDecodeFormat( dt, fmt_pairs, CV_FS_MAX_FMT_PAIRS );
|
|
fmt_pair_count *= 2;
|
|
for( i = 0, size = initial_size; i < fmt_pair_count; i += 2 )
|
|
{
|
|
comp_size = CV_ELEM_SIZE(fmt_pairs[i+1]);
|
|
size = cvAlign( size, comp_size );
|
|
size += comp_size * fmt_pairs[i];
|
|
}
|
|
if( initial_size == 0 )
|
|
{
|
|
comp_size = CV_ELEM_SIZE(fmt_pairs[1]);
|
|
size = cvAlign( size, comp_size );
|
|
}
|
|
return size;
|
|
}
|
|
|
|
|
|
static int
|
|
icvCalcStructSize( const char* dt, int initial_size )
|
|
{
|
|
int size = icvCalcElemSize( dt, initial_size );
|
|
size_t elem_max_size = 0;
|
|
for ( const char * type = dt; *type != '\0'; type++ ) {
|
|
switch ( *type )
|
|
{
|
|
case 'u': { elem_max_size = std::max( elem_max_size, sizeof(uchar ) ); break; }
|
|
case 'c': { elem_max_size = std::max( elem_max_size, sizeof(schar ) ); break; }
|
|
case 'w': { elem_max_size = std::max( elem_max_size, sizeof(ushort) ); break; }
|
|
case 's': { elem_max_size = std::max( elem_max_size, sizeof(short ) ); break; }
|
|
case 'i': { elem_max_size = std::max( elem_max_size, sizeof(int ) ); break; }
|
|
case 'f': { elem_max_size = std::max( elem_max_size, sizeof(float ) ); break; }
|
|
case 'd': { elem_max_size = std::max( elem_max_size, sizeof(double) ); break; }
|
|
default: break;
|
|
}
|
|
}
|
|
size = cvAlign( size, static_cast<int>(elem_max_size) );
|
|
return size;
|
|
}
|
|
|
|
|
|
static int
|
|
icvDecodeSimpleFormat( const char* dt )
|
|
{
|
|
int elem_type = -1;
|
|
int fmt_pairs[CV_FS_MAX_FMT_PAIRS], fmt_pair_count;
|
|
|
|
fmt_pair_count = icvDecodeFormat( dt, fmt_pairs, CV_FS_MAX_FMT_PAIRS );
|
|
if( fmt_pair_count != 1 || fmt_pairs[0] > 4 )
|
|
CV_Error( CV_StsError, "Too complex format for the matrix" );
|
|
|
|
elem_type = CV_MAKETYPE( fmt_pairs[1], fmt_pairs[0] );
|
|
|
|
return elem_type;
|
|
}
|
|
|
|
|
|
CV_IMPL void
|
|
cvWriteRawData( CvFileStorage* fs, const void* _data, int len, const char* dt )
|
|
{
|
|
if (fs->is_default_using_base64 ||
|
|
fs->state_of_writing_base64 == base64::fs::InUse )
|
|
{
|
|
base64::cvWriteRawDataBase64( fs, _data, len, dt );
|
|
return;
|
|
}
|
|
else if ( fs->state_of_writing_base64 == base64::fs::Uncertain )
|
|
{
|
|
switch_to_Base64_state( fs, base64::fs::NotUse );
|
|
}
|
|
|
|
const char* data0 = (const char*)_data;
|
|
int offset = 0;
|
|
int fmt_pairs[CV_FS_MAX_FMT_PAIRS*2], k, fmt_pair_count;
|
|
char buf[256] = "";
|
|
|
|
CV_CHECK_OUTPUT_FILE_STORAGE( fs );
|
|
|
|
if( len < 0 )
|
|
CV_Error( CV_StsOutOfRange, "Negative number of elements" );
|
|
|
|
fmt_pair_count = icvDecodeFormat( dt, fmt_pairs, CV_FS_MAX_FMT_PAIRS );
|
|
|
|
if( !len )
|
|
return;
|
|
|
|
if( !data0 )
|
|
CV_Error( CV_StsNullPtr, "Null data pointer" );
|
|
|
|
if( fmt_pair_count == 1 )
|
|
{
|
|
fmt_pairs[0] *= len;
|
|
len = 1;
|
|
}
|
|
|
|
for(;len--;)
|
|
{
|
|
for( k = 0; k < fmt_pair_count; k++ )
|
|
{
|
|
int i, count = fmt_pairs[k*2];
|
|
int elem_type = fmt_pairs[k*2+1];
|
|
int elem_size = CV_ELEM_SIZE(elem_type);
|
|
const char* data, *ptr;
|
|
|
|
offset = cvAlign( offset, elem_size );
|
|
data = data0 + offset;
|
|
|
|
for( i = 0; i < count; i++ )
|
|
{
|
|
switch( elem_type )
|
|
{
|
|
case CV_8U:
|
|
ptr = icv_itoa( *(uchar*)data, buf, 10 );
|
|
data++;
|
|
break;
|
|
case CV_8S:
|
|
ptr = icv_itoa( *(char*)data, buf, 10 );
|
|
data++;
|
|
break;
|
|
case CV_16U:
|
|
ptr = icv_itoa( *(ushort*)data, buf, 10 );
|
|
data += sizeof(ushort);
|
|
break;
|
|
case CV_16S:
|
|
ptr = icv_itoa( *(short*)data, buf, 10 );
|
|
data += sizeof(short);
|
|
break;
|
|
case CV_32S:
|
|
ptr = icv_itoa( *(int*)data, buf, 10 );
|
|
data += sizeof(int);
|
|
break;
|
|
case CV_32F:
|
|
ptr = icvFloatToString( buf, *(float*)data );
|
|
data += sizeof(float);
|
|
break;
|
|
case CV_64F:
|
|
ptr = icvDoubleToString( buf, *(double*)data );
|
|
data += sizeof(double);
|
|
break;
|
|
case CV_USRTYPE1: /* reference */
|
|
ptr = icv_itoa( (int)*(size_t*)data, buf, 10 );
|
|
data += sizeof(size_t);
|
|
break;
|
|
default:
|
|
CV_Error( CV_StsUnsupportedFormat, "Unsupported type" );
|
|
return;
|
|
}
|
|
|
|
if( fs->fmt == CV_STORAGE_FORMAT_XML )
|
|
{
|
|
int buf_len = (int)strlen(ptr);
|
|
icvXMLWriteScalar( fs, 0, ptr, buf_len );
|
|
}
|
|
else if ( fs->fmt == CV_STORAGE_FORMAT_YAML )
|
|
{
|
|
icvYMLWrite( fs, 0, ptr );
|
|
}
|
|
else
|
|
{
|
|
if( elem_type == CV_32F || elem_type == CV_64F )
|
|
{
|
|
size_t buf_len = strlen(ptr);
|
|
if( buf_len > 0 && ptr[buf_len-1] == '.' )
|
|
{
|
|
// append zero if CV_32F or CV_64F string ends with decimal place to match JSON standard
|
|
// ptr will point to buf, so can write to buf given ptr is const
|
|
buf[buf_len] = '0';
|
|
buf[buf_len+1] = '\0';
|
|
}
|
|
}
|
|
icvJSONWrite( fs, 0, ptr );
|
|
}
|
|
}
|
|
|
|
offset = (int)(data - data0);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
CV_IMPL void
|
|
cvStartReadRawData( const CvFileStorage* fs, const CvFileNode* src, CvSeqReader* reader )
|
|
{
|
|
int node_type;
|
|
CV_CHECK_FILE_STORAGE( fs );
|
|
|
|
if( !src || !reader )
|
|
CV_Error( CV_StsNullPtr, "Null pointer to source file node or reader" );
|
|
|
|
node_type = CV_NODE_TYPE(src->tag);
|
|
if( node_type == CV_NODE_INT || node_type == CV_NODE_REAL )
|
|
{
|
|
// emulate reading from 1-element sequence
|
|
reader->ptr = (schar*)src;
|
|
reader->block_max = reader->ptr + sizeof(*src)*2;
|
|
reader->block_min = reader->ptr;
|
|
reader->seq = 0;
|
|
}
|
|
else if( node_type == CV_NODE_SEQ )
|
|
{
|
|
cvStartReadSeq( src->data.seq, reader, 0 );
|
|
}
|
|
else if( node_type == CV_NODE_NONE )
|
|
{
|
|
memset( reader, 0, sizeof(*reader) );
|
|
}
|
|
else
|
|
CV_Error( CV_StsBadArg, "The file node should be a numerical scalar or a sequence" );
|
|
}
|
|
|
|
|
|
CV_IMPL void
|
|
cvReadRawDataSlice( const CvFileStorage* fs, CvSeqReader* reader,
|
|
int len, void* _data, const char* dt )
|
|
{
|
|
char* data0 = (char*)_data;
|
|
int fmt_pairs[CV_FS_MAX_FMT_PAIRS*2], k = 0, fmt_pair_count;
|
|
int i = 0, offset = 0, count = 0;
|
|
|
|
CV_CHECK_FILE_STORAGE( fs );
|
|
|
|
if( !reader || !data0 )
|
|
CV_Error( CV_StsNullPtr, "Null pointer to reader or destination array" );
|
|
|
|
if( !reader->seq && len != 1 )
|
|
CV_Error( CV_StsBadSize, "The readed sequence is a scalar, thus len must be 1" );
|
|
|
|
fmt_pair_count = icvDecodeFormat( dt, fmt_pairs, CV_FS_MAX_FMT_PAIRS );
|
|
|
|
for(;;)
|
|
{
|
|
for( k = 0; k < fmt_pair_count; k++ )
|
|
{
|
|
int elem_type = fmt_pairs[k*2+1];
|
|
int elem_size = CV_ELEM_SIZE(elem_type);
|
|
char* data;
|
|
|
|
count = fmt_pairs[k*2];
|
|
offset = cvAlign( offset, elem_size );
|
|
data = data0 + offset;
|
|
|
|
for( i = 0; i < count; i++ )
|
|
{
|
|
CvFileNode* node = (CvFileNode*)reader->ptr;
|
|
if( CV_NODE_IS_INT(node->tag) )
|
|
{
|
|
int ival = node->data.i;
|
|
|
|
switch( elem_type )
|
|
{
|
|
case CV_8U:
|
|
*(uchar*)data = cv::saturate_cast<uchar>(ival);
|
|
data++;
|
|
break;
|
|
case CV_8S:
|
|
*(char*)data = cv::saturate_cast<schar>(ival);
|
|
data++;
|
|
break;
|
|
case CV_16U:
|
|
*(ushort*)data = cv::saturate_cast<ushort>(ival);
|
|
data += sizeof(ushort);
|
|
break;
|
|
case CV_16S:
|
|
*(short*)data = cv::saturate_cast<short>(ival);
|
|
data += sizeof(short);
|
|
break;
|
|
case CV_32S:
|
|
*(int*)data = ival;
|
|
data += sizeof(int);
|
|
break;
|
|
case CV_32F:
|
|
*(float*)data = (float)ival;
|
|
data += sizeof(float);
|
|
break;
|
|
case CV_64F:
|
|
*(double*)data = (double)ival;
|
|
data += sizeof(double);
|
|
break;
|
|
case CV_USRTYPE1: /* reference */
|
|
*(size_t*)data = ival;
|
|
data += sizeof(size_t);
|
|
break;
|
|
default:
|
|
CV_Error( CV_StsUnsupportedFormat, "Unsupported type" );
|
|
return;
|
|
}
|
|
}
|
|
else if( CV_NODE_IS_REAL(node->tag) )
|
|
{
|
|
double fval = node->data.f;
|
|
int ival;
|
|
|
|
switch( elem_type )
|
|
{
|
|
case CV_8U:
|
|
ival = cvRound(fval);
|
|
*(uchar*)data = cv::saturate_cast<uchar>(ival);
|
|
data++;
|
|
break;
|
|
case CV_8S:
|
|
ival = cvRound(fval);
|
|
*(char*)data = cv::saturate_cast<schar>(ival);
|
|
data++;
|
|
break;
|
|
case CV_16U:
|
|
ival = cvRound(fval);
|
|
*(ushort*)data = cv::saturate_cast<ushort>(ival);
|
|
data += sizeof(ushort);
|
|
break;
|
|
case CV_16S:
|
|
ival = cvRound(fval);
|
|
*(short*)data = cv::saturate_cast<short>(ival);
|
|
data += sizeof(short);
|
|
break;
|
|
case CV_32S:
|
|
ival = cvRound(fval);
|
|
*(int*)data = ival;
|
|
data += sizeof(int);
|
|
break;
|
|
case CV_32F:
|
|
*(float*)data = (float)fval;
|
|
data += sizeof(float);
|
|
break;
|
|
case CV_64F:
|
|
*(double*)data = fval;
|
|
data += sizeof(double);
|
|
break;
|
|
case CV_USRTYPE1: /* reference */
|
|
ival = cvRound(fval);
|
|
*(size_t*)data = ival;
|
|
data += sizeof(size_t);
|
|
break;
|
|
default:
|
|
CV_Error( CV_StsUnsupportedFormat, "Unsupported type" );
|
|
return;
|
|
}
|
|
}
|
|
else
|
|
CV_Error( CV_StsError,
|
|
"The sequence element is not a numerical scalar" );
|
|
|
|
CV_NEXT_SEQ_ELEM( sizeof(CvFileNode), *reader );
|
|
if( !--len )
|
|
goto end_loop;
|
|
}
|
|
|
|
offset = (int)(data - data0);
|
|
}
|
|
}
|
|
|
|
end_loop:
|
|
if( i != count - 1 || k != fmt_pair_count - 1 )
|
|
CV_Error( CV_StsBadSize,
|
|
"The sequence slice does not fit an integer number of records" );
|
|
|
|
if( !reader->seq )
|
|
reader->ptr -= sizeof(CvFileNode);
|
|
}
|
|
|
|
|
|
CV_IMPL void
|
|
cvReadRawData( const CvFileStorage* fs, const CvFileNode* src,
|
|
void* data, const char* dt )
|
|
{
|
|
CvSeqReader reader;
|
|
|
|
if( !src || !data )
|
|
CV_Error( CV_StsNullPtr, "Null pointers to source file node or destination array" );
|
|
|
|
cvStartReadRawData( fs, src, &reader );
|
|
cvReadRawDataSlice( fs, &reader, CV_NODE_IS_SEQ(src->tag) ?
|
|
src->data.seq->total : 1, data, dt );
|
|
}
|
|
|
|
|
|
static void
|
|
icvWriteFileNode( CvFileStorage* fs, const char* name, const CvFileNode* node );
|
|
|
|
static void
|
|
icvWriteCollection( CvFileStorage* fs, const CvFileNode* node )
|
|
{
|
|
int i, total = node->data.seq->total;
|
|
int elem_size = node->data.seq->elem_size;
|
|
int is_map = CV_NODE_IS_MAP(node->tag);
|
|
CvSeqReader reader;
|
|
|
|
cvStartReadSeq( node->data.seq, &reader, 0 );
|
|
|
|
for( i = 0; i < total; i++ )
|
|
{
|
|
CvFileMapNode* elem = (CvFileMapNode*)reader.ptr;
|
|
if( !is_map || CV_IS_SET_ELEM(elem) )
|
|
{
|
|
const char* name = is_map ? elem->key->str.ptr : 0;
|
|
icvWriteFileNode( fs, name, &elem->value );
|
|
}
|
|
CV_NEXT_SEQ_ELEM( elem_size, reader );
|
|
}
|
|
}
|
|
|
|
static void
|
|
icvWriteFileNode( CvFileStorage* fs, const char* name, const CvFileNode* node )
|
|
{
|
|
switch( CV_NODE_TYPE(node->tag) )
|
|
{
|
|
case CV_NODE_INT:
|
|
fs->write_int( fs, name, node->data.i );
|
|
break;
|
|
case CV_NODE_REAL:
|
|
fs->write_real( fs, name, node->data.f );
|
|
break;
|
|
case CV_NODE_STR:
|
|
fs->write_string( fs, name, node->data.str.ptr, 0 );
|
|
break;
|
|
case CV_NODE_SEQ:
|
|
case CV_NODE_MAP:
|
|
cvStartWriteStruct( fs, name, CV_NODE_TYPE(node->tag) +
|
|
(CV_NODE_SEQ_IS_SIMPLE(node->data.seq) ? CV_NODE_FLOW : 0),
|
|
node->info ? node->info->type_name : 0 );
|
|
icvWriteCollection( fs, node );
|
|
cvEndWriteStruct( fs );
|
|
break;
|
|
case CV_NODE_NONE:
|
|
cvStartWriteStruct( fs, name, CV_NODE_SEQ, 0 );
|
|
cvEndWriteStruct( fs );
|
|
break;
|
|
default:
|
|
CV_Error( CV_StsBadFlag, "Unknown type of file node" );
|
|
}
|
|
}
|
|
|
|
|
|
CV_IMPL void
|
|
cvWriteFileNode( CvFileStorage* fs, const char* new_node_name,
|
|
const CvFileNode* node, int embed )
|
|
{
|
|
CvFileStorage* dst = 0;
|
|
CV_CHECK_OUTPUT_FILE_STORAGE(fs);
|
|
|
|
if( !node )
|
|
return;
|
|
|
|
if( CV_NODE_IS_COLLECTION(node->tag) && embed )
|
|
{
|
|
icvWriteCollection( fs, node );
|
|
}
|
|
else
|
|
{
|
|
icvWriteFileNode( fs, new_node_name, node );
|
|
}
|
|
/*
|
|
int i, stream_count;
|
|
stream_count = fs->roots->total;
|
|
for( i = 0; i < stream_count; i++ )
|
|
{
|
|
CvFileNode* node = (CvFileNode*)cvGetSeqElem( fs->roots, i, 0 );
|
|
icvDumpCollection( dst, node );
|
|
if( i < stream_count - 1 )
|
|
dst->start_next_stream( dst );
|
|
}*/
|
|
cvReleaseFileStorage( &dst );
|
|
}
|
|
|
|
|
|
CV_IMPL const char*
|
|
cvGetFileNodeName( const CvFileNode* file_node )
|
|
{
|
|
return file_node && CV_NODE_HAS_NAME(file_node->tag) ?
|
|
((CvFileMapNode*)file_node)->key->str.ptr : 0;
|
|
}
|
|
|
|
/****************************************************************************************\
|
|
* Reading/Writing etc. for standard types *
|
|
\****************************************************************************************/
|
|
|
|
/*#define CV_TYPE_NAME_MAT "opencv-matrix"
|
|
#define CV_TYPE_NAME_MATND "opencv-nd-matrix"
|
|
#define CV_TYPE_NAME_SPARSE_MAT "opencv-sparse-matrix"
|
|
#define CV_TYPE_NAME_IMAGE "opencv-image"
|
|
#define CV_TYPE_NAME_SEQ "opencv-sequence"
|
|
#define CV_TYPE_NAME_SEQ_TREE "opencv-sequence-tree"
|
|
#define CV_TYPE_NAME_GRAPH "opencv-graph"*/
|
|
|
|
/******************************* CvMat ******************************/
|
|
|
|
static int
|
|
icvIsMat( const void* ptr )
|
|
{
|
|
return CV_IS_MAT_HDR_Z(ptr);
|
|
}
|
|
|
|
static void
|
|
icvWriteMat( CvFileStorage* fs, const char* name,
|
|
const void* struct_ptr, CvAttrList /*attr*/ )
|
|
{
|
|
const CvMat* mat = (const CvMat*)struct_ptr;
|
|
char dt[16];
|
|
CvSize size;
|
|
int y;
|
|
|
|
assert( CV_IS_MAT_HDR_Z(mat) );
|
|
|
|
cvStartWriteStruct( fs, name, CV_NODE_MAP, CV_TYPE_NAME_MAT );
|
|
cvWriteInt( fs, "rows", mat->rows );
|
|
cvWriteInt( fs, "cols", mat->cols );
|
|
cvWriteString( fs, "dt", icvEncodeFormat( CV_MAT_TYPE(mat->type), dt ), 0 );
|
|
cvStartWriteStruct( fs, "data", CV_NODE_SEQ + CV_NODE_FLOW );
|
|
|
|
size = cvGetSize(mat);
|
|
if( size.height > 0 && size.width > 0 && mat->data.ptr )
|
|
{
|
|
if( CV_IS_MAT_CONT(mat->type) )
|
|
{
|
|
size.width *= size.height;
|
|
size.height = 1;
|
|
}
|
|
|
|
for( y = 0; y < size.height; y++ )
|
|
cvWriteRawData( fs, mat->data.ptr + (size_t)y*mat->step, size.width, dt );
|
|
}
|
|
cvEndWriteStruct( fs );
|
|
cvEndWriteStruct( fs );
|
|
}
|
|
|
|
|
|
static int
|
|
icvFileNodeSeqLen( CvFileNode* node )
|
|
{
|
|
return CV_NODE_IS_COLLECTION(node->tag) ? node->data.seq->total :
|
|
CV_NODE_TYPE(node->tag) != CV_NODE_NONE;
|
|
}
|
|
|
|
|
|
static void*
|
|
icvReadMat( CvFileStorage* fs, CvFileNode* node )
|
|
{
|
|
void* ptr = 0;
|
|
CvMat* mat;
|
|
const char* dt;
|
|
CvFileNode* data;
|
|
int rows, cols, elem_type;
|
|
|
|
rows = cvReadIntByName( fs, node, "rows", -1 );
|
|
cols = cvReadIntByName( fs, node, "cols", -1 );
|
|
dt = cvReadStringByName( fs, node, "dt", 0 );
|
|
|
|
if( rows < 0 || cols < 0 || !dt )
|
|
CV_Error( CV_StsError, "Some of essential matrix attributes are absent" );
|
|
|
|
elem_type = icvDecodeSimpleFormat( dt );
|
|
|
|
data = cvGetFileNodeByName( fs, node, "data" );
|
|
if( !data )
|
|
CV_Error( CV_StsError, "The matrix data is not found in file storage" );
|
|
|
|
int nelems = icvFileNodeSeqLen( data );
|
|
if( nelems > 0 && nelems != rows*cols*CV_MAT_CN(elem_type) )
|
|
CV_Error( CV_StsUnmatchedSizes,
|
|
"The matrix size does not match to the number of stored elements" );
|
|
|
|
if( nelems > 0 )
|
|
{
|
|
mat = cvCreateMat( rows, cols, elem_type );
|
|
cvReadRawData( fs, data, mat->data.ptr, dt );
|
|
}
|
|
else
|
|
mat = cvCreateMatHeader( rows, cols, elem_type );
|
|
|
|
ptr = mat;
|
|
return ptr;
|
|
}
|
|
|
|
|
|
/******************************* CvMatND ******************************/
|
|
|
|
static int
|
|
icvIsMatND( const void* ptr )
|
|
{
|
|
return CV_IS_MATND_HDR(ptr);
|
|
}
|
|
|
|
|
|
static void
|
|
icvWriteMatND( CvFileStorage* fs, const char* name,
|
|
const void* struct_ptr, CvAttrList /*attr*/ )
|
|
{
|
|
CvMatND* mat = (CvMatND*)struct_ptr;
|
|
CvMatND stub;
|
|
CvNArrayIterator iterator;
|
|
int dims, sizes[CV_MAX_DIM];
|
|
char dt[16];
|
|
|
|
assert( CV_IS_MATND_HDR(mat) );
|
|
|
|
cvStartWriteStruct( fs, name, CV_NODE_MAP, CV_TYPE_NAME_MATND );
|
|
dims = cvGetDims( mat, sizes );
|
|
cvStartWriteStruct( fs, "sizes", CV_NODE_SEQ + CV_NODE_FLOW );
|
|
cvWriteRawData( fs, sizes, dims, "i" );
|
|
cvEndWriteStruct( fs );
|
|
cvWriteString( fs, "dt", icvEncodeFormat( cvGetElemType(mat), dt ), 0 );
|
|
cvStartWriteStruct( fs, "data", CV_NODE_SEQ + CV_NODE_FLOW );
|
|
|
|
if( mat->dim[0].size > 0 && mat->data.ptr )
|
|
{
|
|
cvInitNArrayIterator( 1, (CvArr**)&mat, 0, &stub, &iterator );
|
|
|
|
do
|
|
cvWriteRawData( fs, iterator.ptr[0], iterator.size.width, dt );
|
|
while( cvNextNArraySlice( &iterator ));
|
|
}
|
|
cvEndWriteStruct( fs );
|
|
cvEndWriteStruct( fs );
|
|
}
|
|
|
|
|
|
static void*
|
|
icvReadMatND( CvFileStorage* fs, CvFileNode* node )
|
|
{
|
|
void* ptr = 0;
|
|
CvMatND* mat;
|
|
const char* dt;
|
|
CvFileNode* data;
|
|
CvFileNode* sizes_node;
|
|
int sizes[CV_MAX_DIM], dims, elem_type;
|
|
int i, total_size;
|
|
|
|
sizes_node = cvGetFileNodeByName( fs, node, "sizes" );
|
|
dt = cvReadStringByName( fs, node, "dt", 0 );
|
|
|
|
if( !sizes_node || !dt )
|
|
CV_Error( CV_StsError, "Some of essential matrix attributes are absent" );
|
|
|
|
dims = CV_NODE_IS_SEQ(sizes_node->tag) ? sizes_node->data.seq->total :
|
|
CV_NODE_IS_INT(sizes_node->tag) ? 1 : -1;
|
|
|
|
if( dims <= 0 || dims > CV_MAX_DIM )
|
|
CV_Error( CV_StsParseError, "Could not determine the matrix dimensionality" );
|
|
|
|
cvReadRawData( fs, sizes_node, sizes, "i" );
|
|
elem_type = icvDecodeSimpleFormat( dt );
|
|
|
|
data = cvGetFileNodeByName( fs, node, "data" );
|
|
if( !data )
|
|
CV_Error( CV_StsError, "The matrix data is not found in file storage" );
|
|
|
|
|
|
|
|
for( total_size = CV_MAT_CN(elem_type), i = 0; i < dims; i++ )
|
|
total_size *= sizes[i];
|
|
|
|
int nelems = icvFileNodeSeqLen( data );
|
|
|
|
if( nelems > 0 && nelems != total_size )
|
|
CV_Error( CV_StsUnmatchedSizes,
|
|
"The matrix size does not match to the number of stored elements" );
|
|
|
|
if( nelems > 0 )
|
|
{
|
|
mat = cvCreateMatND( dims, sizes, elem_type );
|
|
cvReadRawData( fs, data, mat->data.ptr, dt );
|
|
}
|
|
else
|
|
mat = cvCreateMatNDHeader( dims, sizes, elem_type );
|
|
|
|
ptr = mat;
|
|
return ptr;
|
|
}
|
|
|
|
|
|
/******************************* CvSparseMat ******************************/
|
|
|
|
static int
|
|
icvIsSparseMat( const void* ptr )
|
|
{
|
|
return CV_IS_SPARSE_MAT(ptr);
|
|
}
|
|
|
|
|
|
static int
|
|
icvSortIdxCmpFunc( const void* _a, const void* _b, void* userdata )
|
|
{
|
|
int i, dims = *(int*)userdata;
|
|
const int* a = *(const int**)_a;
|
|
const int* b = *(const int**)_b;
|
|
|
|
for( i = 0; i < dims; i++ )
|
|
{
|
|
int delta = a[i] - b[i];
|
|
if( delta )
|
|
return delta;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
static void
|
|
icvWriteSparseMat( CvFileStorage* fs, const char* name,
|
|
const void* struct_ptr, CvAttrList /*attr*/ )
|
|
{
|
|
CvMemStorage* memstorage = 0;
|
|
const CvSparseMat* mat = (const CvSparseMat*)struct_ptr;
|
|
CvSparseMatIterator iterator;
|
|
CvSparseNode* node;
|
|
CvSeq* elements;
|
|
CvSeqReader reader;
|
|
int i, dims;
|
|
int *prev_idx = 0;
|
|
char dt[16];
|
|
|
|
assert( CV_IS_SPARSE_MAT(mat) );
|
|
|
|
memstorage = cvCreateMemStorage();
|
|
|
|
cvStartWriteStruct( fs, name, CV_NODE_MAP, CV_TYPE_NAME_SPARSE_MAT );
|
|
dims = cvGetDims( mat, 0 );
|
|
|
|
cvStartWriteStruct( fs, "sizes", CV_NODE_SEQ + CV_NODE_FLOW );
|
|
cvWriteRawData( fs, mat->size, dims, "i" );
|
|
cvEndWriteStruct( fs );
|
|
cvWriteString( fs, "dt", icvEncodeFormat( CV_MAT_TYPE(mat->type), dt ), 0 );
|
|
cvStartWriteStruct( fs, "data", CV_NODE_SEQ + CV_NODE_FLOW );
|
|
|
|
elements = cvCreateSeq( CV_SEQ_ELTYPE_PTR, sizeof(CvSeq), sizeof(int*), memstorage );
|
|
|
|
node = cvInitSparseMatIterator( mat, &iterator );
|
|
while( node )
|
|
{
|
|
int* idx = CV_NODE_IDX( mat, node );
|
|
cvSeqPush( elements, &idx );
|
|
node = cvGetNextSparseNode( &iterator );
|
|
}
|
|
|
|
cvSeqSort( elements, icvSortIdxCmpFunc, &dims );
|
|
cvStartReadSeq( elements, &reader, 0 );
|
|
|
|
for( i = 0; i < elements->total; i++ )
|
|
{
|
|
int* idx;
|
|
void* val;
|
|
int k = 0;
|
|
|
|
CV_READ_SEQ_ELEM( idx, reader );
|
|
if( i > 0 )
|
|
{
|
|
for( ; idx[k] == prev_idx[k]; k++ )
|
|
assert( k < dims );
|
|
if( k < dims - 1 )
|
|
fs->write_int( fs, 0, k - dims + 1 );
|
|
}
|
|
for( ; k < dims; k++ )
|
|
fs->write_int( fs, 0, idx[k] );
|
|
prev_idx = idx;
|
|
|
|
node = (CvSparseNode*)((uchar*)idx - mat->idxoffset );
|
|
val = CV_NODE_VAL( mat, node );
|
|
|
|
cvWriteRawData( fs, val, 1, dt );
|
|
}
|
|
|
|
cvEndWriteStruct( fs );
|
|
cvEndWriteStruct( fs );
|
|
cvReleaseMemStorage( &memstorage );
|
|
}
|
|
|
|
|
|
static void*
|
|
icvReadSparseMat( CvFileStorage* fs, CvFileNode* node )
|
|
{
|
|
void* ptr = 0;
|
|
CvSparseMat* mat;
|
|
const char* dt;
|
|
CvFileNode* data;
|
|
CvFileNode* sizes_node;
|
|
CvSeqReader reader;
|
|
CvSeq* elements;
|
|
int sizes[CV_MAX_DIM_HEAP], dims, elem_type, cn;
|
|
int i;
|
|
|
|
sizes_node = cvGetFileNodeByName( fs, node, "sizes" );
|
|
dt = cvReadStringByName( fs, node, "dt", 0 );
|
|
|
|
if( !sizes_node || !dt )
|
|
CV_Error( CV_StsError, "Some of essential matrix attributes are absent" );
|
|
|
|
dims = CV_NODE_IS_SEQ(sizes_node->tag) ? sizes_node->data.seq->total :
|
|
CV_NODE_IS_INT(sizes_node->tag) ? 1 : -1;
|
|
|
|
if( dims <= 0 || dims > CV_MAX_DIM_HEAP )
|
|
CV_Error( CV_StsParseError, "Could not determine sparse matrix dimensionality" );
|
|
|
|
cvReadRawData( fs, sizes_node, sizes, "i" );
|
|
elem_type = icvDecodeSimpleFormat( dt );
|
|
|
|
data = cvGetFileNodeByName( fs, node, "data" );
|
|
if( !data || !CV_NODE_IS_SEQ(data->tag) )
|
|
CV_Error( CV_StsError, "The matrix data is not found in file storage" );
|
|
|
|
mat = cvCreateSparseMat( dims, sizes, elem_type );
|
|
|
|
cn = CV_MAT_CN(elem_type);
|
|
int idx[CV_MAX_DIM_HEAP];
|
|
elements = data->data.seq;
|
|
cvStartReadRawData( fs, data, &reader );
|
|
|
|
for( i = 0; i < elements->total; )
|
|
{
|
|
CvFileNode* elem = (CvFileNode*)reader.ptr;
|
|
uchar* val;
|
|
int k;
|
|
if( !CV_NODE_IS_INT(elem->tag ))
|
|
CV_Error( CV_StsParseError, "Sparse matrix data is corrupted" );
|
|
k = elem->data.i;
|
|
if( i > 0 && k >= 0 )
|
|
idx[dims-1] = k;
|
|
else
|
|
{
|
|
if( i > 0 )
|
|
k = dims + k - 1;
|
|
else
|
|
idx[0] = k, k = 1;
|
|
for( ; k < dims; k++ )
|
|
{
|
|
CV_NEXT_SEQ_ELEM( elements->elem_size, reader );
|
|
i++;
|
|
elem = (CvFileNode*)reader.ptr;
|
|
if( !CV_NODE_IS_INT(elem->tag ) || elem->data.i < 0 )
|
|
CV_Error( CV_StsParseError, "Sparse matrix data is corrupted" );
|
|
idx[k] = elem->data.i;
|
|
}
|
|
}
|
|
CV_NEXT_SEQ_ELEM( elements->elem_size, reader );
|
|
i++;
|
|
val = cvPtrND( mat, idx, 0, 1, 0 );
|
|
cvReadRawDataSlice( fs, &reader, cn, val, dt );
|
|
i += cn;
|
|
}
|
|
|
|
ptr = mat;
|
|
return ptr;
|
|
}
|
|
|
|
|
|
/******************************* IplImage ******************************/
|
|
|
|
static int
|
|
icvIsImage( const void* ptr )
|
|
{
|
|
return CV_IS_IMAGE_HDR(ptr);
|
|
}
|
|
|
|
static void
|
|
icvWriteImage( CvFileStorage* fs, const char* name,
|
|
const void* struct_ptr, CvAttrList /*attr*/ )
|
|
{
|
|
const IplImage* image = (const IplImage*)struct_ptr;
|
|
char dt_buf[16], *dt;
|
|
CvSize size;
|
|
int y, depth;
|
|
|
|
assert( CV_IS_IMAGE(image) );
|
|
|
|
if( image->dataOrder == IPL_DATA_ORDER_PLANE )
|
|
CV_Error( CV_StsUnsupportedFormat,
|
|
"Images with planar data layout are not supported" );
|
|
|
|
cvStartWriteStruct( fs, name, CV_NODE_MAP, CV_TYPE_NAME_IMAGE );
|
|
cvWriteInt( fs, "width", image->width );
|
|
cvWriteInt( fs, "height", image->height );
|
|
cvWriteString( fs, "origin", image->origin == IPL_ORIGIN_TL
|
|
? "top-left" : "bottom-left", 0 );
|
|
cvWriteString( fs, "layout", image->dataOrder == IPL_DATA_ORDER_PLANE
|
|
? "planar" : "interleaved", 0 );
|
|
if( image->roi )
|
|
{
|
|
cvStartWriteStruct( fs, "roi", CV_NODE_MAP + CV_NODE_FLOW );
|
|
cvWriteInt( fs, "x", image->roi->xOffset );
|
|
cvWriteInt( fs, "y", image->roi->yOffset );
|
|
cvWriteInt( fs, "width", image->roi->width );
|
|
cvWriteInt( fs, "height", image->roi->height );
|
|
cvWriteInt( fs, "coi", image->roi->coi );
|
|
cvEndWriteStruct( fs );
|
|
}
|
|
|
|
depth = IPL2CV_DEPTH(image->depth);
|
|
sprintf( dt_buf, "%d%c", image->nChannels, icvTypeSymbol[depth] );
|
|
dt = dt_buf + (dt_buf[2] == '\0' && dt_buf[0] == '1');
|
|
cvWriteString( fs, "dt", dt, 0 );
|
|
|
|
size = cvSize(image->width, image->height);
|
|
if( size.width*image->nChannels*CV_ELEM_SIZE(depth) == image->widthStep )
|
|
{
|
|
size.width *= size.height;
|
|
size.height = 1;
|
|
}
|
|
|
|
cvStartWriteStruct( fs, "data", CV_NODE_SEQ + CV_NODE_FLOW );
|
|
for( y = 0; y < size.height; y++ )
|
|
cvWriteRawData( fs, image->imageData + y*image->widthStep, size.width, dt );
|
|
cvEndWriteStruct( fs );
|
|
cvEndWriteStruct( fs );
|
|
}
|
|
|
|
|
|
static void*
|
|
icvReadImage( CvFileStorage* fs, CvFileNode* node )
|
|
{
|
|
void* ptr = 0;
|
|
IplImage* image;
|
|
const char* dt;
|
|
CvFileNode* data;
|
|
CvFileNode* roi_node;
|
|
CvSeqReader reader;
|
|
CvRect roi;
|
|
int y, width, height, elem_type, coi, depth;
|
|
const char* origin, *data_order;
|
|
|
|
width = cvReadIntByName( fs, node, "width", 0 );
|
|
height = cvReadIntByName( fs, node, "height", 0 );
|
|
dt = cvReadStringByName( fs, node, "dt", 0 );
|
|
origin = cvReadStringByName( fs, node, "origin", 0 );
|
|
|
|
if( width == 0 || height == 0 || dt == 0 || origin == 0 )
|
|
CV_Error( CV_StsError, "Some of essential image attributes are absent" );
|
|
|
|
elem_type = icvDecodeSimpleFormat( dt );
|
|
data_order = cvReadStringByName( fs, node, "layout", "interleaved" );
|
|
if( strcmp( data_order, "interleaved" ) != 0 )
|
|
CV_Error( CV_StsError, "Only interleaved images can be read" );
|
|
|
|
data = cvGetFileNodeByName( fs, node, "data" );
|
|
if( !data )
|
|
CV_Error( CV_StsError, "The image data is not found in file storage" );
|
|
|
|
if( icvFileNodeSeqLen( data ) != width*height*CV_MAT_CN(elem_type) )
|
|
CV_Error( CV_StsUnmatchedSizes,
|
|
"The matrix size does not match to the number of stored elements" );
|
|
|
|
depth = cvIplDepth(elem_type);
|
|
image = cvCreateImage( cvSize(width,height), depth, CV_MAT_CN(elem_type) );
|
|
|
|
roi_node = cvGetFileNodeByName( fs, node, "roi" );
|
|
if( roi_node )
|
|
{
|
|
roi.x = cvReadIntByName( fs, roi_node, "x", 0 );
|
|
roi.y = cvReadIntByName( fs, roi_node, "y", 0 );
|
|
roi.width = cvReadIntByName( fs, roi_node, "width", 0 );
|
|
roi.height = cvReadIntByName( fs, roi_node, "height", 0 );
|
|
coi = cvReadIntByName( fs, roi_node, "coi", 0 );
|
|
|
|
cvSetImageROI( image, roi );
|
|
cvSetImageCOI( image, coi );
|
|
}
|
|
|
|
if( width*CV_ELEM_SIZE(elem_type) == image->widthStep )
|
|
{
|
|
width *= height;
|
|
height = 1;
|
|
}
|
|
|
|
width *= CV_MAT_CN(elem_type);
|
|
cvStartReadRawData( fs, data, &reader );
|
|
for( y = 0; y < height; y++ )
|
|
{
|
|
cvReadRawDataSlice( fs, &reader, width,
|
|
image->imageData + y*image->widthStep, dt );
|
|
}
|
|
|
|
ptr = image;
|
|
return ptr;
|
|
}
|
|
|
|
|
|
/******************************* CvSeq ******************************/
|
|
|
|
static int
|
|
icvIsSeq( const void* ptr )
|
|
{
|
|
return CV_IS_SEQ(ptr);
|
|
}
|
|
|
|
|
|
static void
|
|
icvReleaseSeq( void** ptr )
|
|
{
|
|
if( !ptr )
|
|
CV_Error( CV_StsNullPtr, "NULL double pointer" );
|
|
*ptr = 0; // it's impossible now to release seq, so just clear the pointer
|
|
}
|
|
|
|
|
|
static void*
|
|
icvCloneSeq( const void* ptr )
|
|
{
|
|
return cvSeqSlice( (CvSeq*)ptr, CV_WHOLE_SEQ,
|
|
0 /* use the same storage as for the original sequence */, 1 );
|
|
}
|
|
|
|
|
|
static void
|
|
icvWriteHeaderData( CvFileStorage* fs, const CvSeq* seq,
|
|
CvAttrList* attr, int initial_header_size )
|
|
{
|
|
char header_dt_buf[128];
|
|
const char* header_dt = cvAttrValue( attr, "header_dt" );
|
|
|
|
if( header_dt )
|
|
{
|
|
int dt_header_size;
|
|
dt_header_size = icvCalcElemSize( header_dt, initial_header_size );
|
|
if( dt_header_size > seq->header_size )
|
|
CV_Error( CV_StsUnmatchedSizes,
|
|
"The size of header calculated from \"header_dt\" is greater than header_size" );
|
|
}
|
|
else if( seq->header_size > initial_header_size )
|
|
{
|
|
if( CV_IS_SEQ(seq) && CV_IS_SEQ_POINT_SET(seq) &&
|
|
seq->header_size == sizeof(CvPoint2DSeq) &&
|
|
seq->elem_size == sizeof(int)*2 )
|
|
{
|
|
CvPoint2DSeq* point_seq = (CvPoint2DSeq*)seq;
|
|
|
|
cvStartWriteStruct( fs, "rect", CV_NODE_MAP + CV_NODE_FLOW );
|
|
cvWriteInt( fs, "x", point_seq->rect.x );
|
|
cvWriteInt( fs, "y", point_seq->rect.y );
|
|
cvWriteInt( fs, "width", point_seq->rect.width );
|
|
cvWriteInt( fs, "height", point_seq->rect.height );
|
|
cvEndWriteStruct( fs );
|
|
cvWriteInt( fs, "color", point_seq->color );
|
|
}
|
|
else if( CV_IS_SEQ(seq) && CV_IS_SEQ_CHAIN(seq) &&
|
|
CV_MAT_TYPE(seq->flags) == CV_8UC1 )
|
|
{
|
|
CvChain* chain = (CvChain*)seq;
|
|
|
|
cvStartWriteStruct( fs, "origin", CV_NODE_MAP + CV_NODE_FLOW );
|
|
cvWriteInt( fs, "x", chain->origin.x );
|
|
cvWriteInt( fs, "y", chain->origin.y );
|
|
cvEndWriteStruct( fs );
|
|
}
|
|
else
|
|
{
|
|
unsigned extra_size = seq->header_size - initial_header_size;
|
|
// a heuristic to provide nice defaults for sequences of int's & float's
|
|
if( extra_size % sizeof(int) == 0 )
|
|
sprintf( header_dt_buf, "%ui", (unsigned)(extra_size/sizeof(int)) );
|
|
else
|
|
sprintf( header_dt_buf, "%uu", extra_size );
|
|
header_dt = header_dt_buf;
|
|
}
|
|
}
|
|
|
|
if( header_dt )
|
|
{
|
|
cvWriteString( fs, "header_dt", header_dt, 0 );
|
|
cvStartWriteStruct( fs, "header_user_data", CV_NODE_SEQ + CV_NODE_FLOW );
|
|
cvWriteRawData( fs, (uchar*)seq + sizeof(CvSeq), 1, header_dt );
|
|
cvEndWriteStruct( fs );
|
|
}
|
|
}
|
|
|
|
|
|
static char*
|
|
icvGetFormat( const CvSeq* seq, const char* dt_key, CvAttrList* attr,
|
|
int initial_elem_size, char* dt_buf )
|
|
{
|
|
char* dt = 0;
|
|
dt = (char*)cvAttrValue( attr, dt_key );
|
|
|
|
if( dt )
|
|
{
|
|
int dt_elem_size;
|
|
dt_elem_size = icvCalcElemSize( dt, initial_elem_size );
|
|
if( dt_elem_size != seq->elem_size )
|
|
CV_Error( CV_StsUnmatchedSizes,
|
|
"The size of element calculated from \"dt\" and "
|
|
"the elem_size do not match" );
|
|
}
|
|
else if( CV_MAT_TYPE(seq->flags) != 0 || seq->elem_size == 1 )
|
|
{
|
|
if( CV_ELEM_SIZE(seq->flags) != seq->elem_size )
|
|
CV_Error( CV_StsUnmatchedSizes,
|
|
"Size of sequence element (elem_size) is inconsistent with seq->flags" );
|
|
dt = icvEncodeFormat( CV_MAT_TYPE(seq->flags), dt_buf );
|
|
}
|
|
else if( seq->elem_size > initial_elem_size )
|
|
{
|
|
unsigned extra_elem_size = seq->elem_size - initial_elem_size;
|
|
// a heuristic to provide nice defaults for sequences of int's & float's
|
|
if( extra_elem_size % sizeof(int) == 0 )
|
|
sprintf( dt_buf, "%ui", (unsigned)(extra_elem_size/sizeof(int)) );
|
|
else
|
|
sprintf( dt_buf, "%uu", extra_elem_size );
|
|
dt = dt_buf;
|
|
}
|
|
|
|
return dt;
|
|
}
|
|
|
|
|
|
static void
|
|
icvWriteSeq( CvFileStorage* fs, const char* name,
|
|
const void* struct_ptr,
|
|
CvAttrList attr, int level )
|
|
{
|
|
const CvSeq* seq = (CvSeq*)struct_ptr;
|
|
CvSeqBlock* block;
|
|
char buf[128];
|
|
char dt_buf[128], *dt;
|
|
|
|
assert( CV_IS_SEQ( seq ));
|
|
cvStartWriteStruct( fs, name, CV_NODE_MAP, CV_TYPE_NAME_SEQ );
|
|
|
|
if( level >= 0 )
|
|
cvWriteInt( fs, "level", level );
|
|
|
|
dt = icvGetFormat( seq, "dt", &attr, 0, dt_buf );
|
|
|
|
strcpy(buf, "");
|
|
if( CV_IS_SEQ_CLOSED(seq) )
|
|
strcat(buf, " closed");
|
|
if( CV_IS_SEQ_HOLE(seq) )
|
|
strcat(buf, " hole");
|
|
if( CV_IS_SEQ_CURVE(seq) )
|
|
strcat(buf, " curve");
|
|
if( CV_SEQ_ELTYPE(seq) == 0 && seq->elem_size != 1 )
|
|
strcat(buf, " untyped");
|
|
|
|
cvWriteString( fs, "flags", buf + (buf[0] ? 1 : 0), 1 );
|
|
|
|
cvWriteInt( fs, "count", seq->total );
|
|
|
|
cvWriteString( fs, "dt", dt, 0 );
|
|
|
|
icvWriteHeaderData( fs, seq, &attr, sizeof(CvSeq) );
|
|
cvStartWriteStruct( fs, "data", CV_NODE_SEQ + CV_NODE_FLOW );
|
|
|
|
for( block = seq->first; block; block = block->next )
|
|
{
|
|
cvWriteRawData( fs, block->data, block->count, dt );
|
|
if( block == seq->first->prev )
|
|
break;
|
|
}
|
|
cvEndWriteStruct( fs );
|
|
cvEndWriteStruct( fs );
|
|
}
|
|
|
|
|
|
static void
|
|
icvWriteSeqTree( CvFileStorage* fs, const char* name,
|
|
const void* struct_ptr, CvAttrList attr )
|
|
{
|
|
const CvSeq* seq = (CvSeq*)struct_ptr;
|
|
const char* recursive_value = cvAttrValue( &attr, "recursive" );
|
|
int is_recursive = recursive_value &&
|
|
strcmp(recursive_value,"0") != 0 &&
|
|
strcmp(recursive_value,"false") != 0 &&
|
|
strcmp(recursive_value,"False") != 0 &&
|
|
strcmp(recursive_value,"FALSE") != 0;
|
|
|
|
assert( CV_IS_SEQ( seq ));
|
|
|
|
if( !is_recursive )
|
|
{
|
|
icvWriteSeq( fs, name, seq, attr, -1 );
|
|
}
|
|
else
|
|
{
|
|
CvTreeNodeIterator tree_iterator;
|
|
|
|
cvStartWriteStruct( fs, name, CV_NODE_MAP, CV_TYPE_NAME_SEQ_TREE );
|
|
cvStartWriteStruct( fs, "sequences", CV_NODE_SEQ );
|
|
cvInitTreeNodeIterator( &tree_iterator, seq, INT_MAX );
|
|
|
|
for(;;)
|
|
{
|
|
if( !tree_iterator.node )
|
|
break;
|
|
icvWriteSeq( fs, 0, tree_iterator.node, attr, tree_iterator.level );
|
|
cvNextTreeNode( &tree_iterator );
|
|
}
|
|
|
|
cvEndWriteStruct( fs );
|
|
cvEndWriteStruct( fs );
|
|
}
|
|
}
|
|
|
|
|
|
static void*
|
|
icvReadSeq( CvFileStorage* fs, CvFileNode* node )
|
|
{
|
|
void* ptr = 0;
|
|
CvSeq* seq;
|
|
CvSeqBlock* block;
|
|
CvFileNode *data, *header_node, *rect_node, *origin_node;
|
|
CvSeqReader reader;
|
|
int total, flags;
|
|
int elem_size, header_size = sizeof(CvSeq);
|
|
int fmt_pairs[CV_FS_MAX_FMT_PAIRS], i, fmt_pair_count;
|
|
int items_per_elem = 0;
|
|
const char* flags_str;
|
|
const char* header_dt;
|
|
const char* dt;
|
|
char* endptr = 0;
|
|
|
|
flags_str = cvReadStringByName( fs, node, "flags", 0 );
|
|
total = cvReadIntByName( fs, node, "count", -1 );
|
|
dt = cvReadStringByName( fs, node, "dt", 0 );
|
|
|
|
if( !flags_str || total == -1 || !dt )
|
|
CV_Error( CV_StsError, "Some of essential sequence attributes are absent" );
|
|
|
|
flags = CV_SEQ_MAGIC_VAL;
|
|
|
|
if( cv_isdigit(flags_str[0]) )
|
|
{
|
|
const int OLD_SEQ_ELTYPE_BITS = 9;
|
|
const int OLD_SEQ_ELTYPE_MASK = (1 << OLD_SEQ_ELTYPE_BITS) - 1;
|
|
const int OLD_SEQ_KIND_BITS = 3;
|
|
const int OLD_SEQ_KIND_MASK = ((1 << OLD_SEQ_KIND_BITS) - 1) << OLD_SEQ_ELTYPE_BITS;
|
|
const int OLD_SEQ_KIND_CURVE = 1 << OLD_SEQ_ELTYPE_BITS;
|
|
const int OLD_SEQ_FLAG_SHIFT = OLD_SEQ_KIND_BITS + OLD_SEQ_ELTYPE_BITS;
|
|
const int OLD_SEQ_FLAG_CLOSED = 1 << OLD_SEQ_FLAG_SHIFT;
|
|
const int OLD_SEQ_FLAG_HOLE = 8 << OLD_SEQ_FLAG_SHIFT;
|
|
|
|
int flags0 = (int)strtol( flags_str, &endptr, 16 );
|
|
if( endptr == flags_str || (flags0 & CV_MAGIC_MASK) != CV_SEQ_MAGIC_VAL )
|
|
CV_Error( CV_StsError, "The sequence flags are invalid" );
|
|
if( (flags0 & OLD_SEQ_KIND_MASK) == OLD_SEQ_KIND_CURVE )
|
|
flags |= CV_SEQ_KIND_CURVE;
|
|
if( flags0 & OLD_SEQ_FLAG_CLOSED )
|
|
flags |= CV_SEQ_FLAG_CLOSED;
|
|
if( flags0 & OLD_SEQ_FLAG_HOLE )
|
|
flags |= CV_SEQ_FLAG_HOLE;
|
|
flags |= flags0 & OLD_SEQ_ELTYPE_MASK;
|
|
}
|
|
else
|
|
{
|
|
if( strstr(flags_str, "curve") )
|
|
flags |= CV_SEQ_KIND_CURVE;
|
|
if( strstr(flags_str, "closed") )
|
|
flags |= CV_SEQ_FLAG_CLOSED;
|
|
if( strstr(flags_str, "hole") )
|
|
flags |= CV_SEQ_FLAG_HOLE;
|
|
if( !strstr(flags_str, "untyped") )
|
|
{
|
|
try
|
|
{
|
|
flags |= icvDecodeSimpleFormat(dt);
|
|
}
|
|
catch(...)
|
|
{
|
|
}
|
|
}
|
|
}
|
|
|
|
header_dt = cvReadStringByName( fs, node, "header_dt", 0 );
|
|
header_node = cvGetFileNodeByName( fs, node, "header_user_data" );
|
|
|
|
if( (header_dt != 0) ^ (header_node != 0) )
|
|
CV_Error( CV_StsError,
|
|
"One of \"header_dt\" and \"header_user_data\" is there, while the other is not" );
|
|
|
|
rect_node = cvGetFileNodeByName( fs, node, "rect" );
|
|
origin_node = cvGetFileNodeByName( fs, node, "origin" );
|
|
|
|
if( (header_node != 0) + (rect_node != 0) + (origin_node != 0) > 1 )
|
|
CV_Error( CV_StsError, "Only one of \"header_user_data\", \"rect\" and \"origin\" tags may occur" );
|
|
|
|
if( header_dt )
|
|
{
|
|
header_size = icvCalcElemSize( header_dt, header_size );
|
|
}
|
|
else if( rect_node )
|
|
header_size = sizeof(CvPoint2DSeq);
|
|
else if( origin_node )
|
|
header_size = sizeof(CvChain);
|
|
|
|
elem_size = icvCalcElemSize( dt, 0 );
|
|
seq = cvCreateSeq( flags, header_size, elem_size, fs->dststorage );
|
|
|
|
if( header_node )
|
|
{
|
|
cvReadRawData( fs, header_node, (char*)seq + sizeof(CvSeq), header_dt );
|
|
}
|
|
else if( rect_node )
|
|
{
|
|
CvPoint2DSeq* point_seq = (CvPoint2DSeq*)seq;
|
|
point_seq->rect.x = cvReadIntByName( fs, rect_node, "x", 0 );
|
|
point_seq->rect.y = cvReadIntByName( fs, rect_node, "y", 0 );
|
|
point_seq->rect.width = cvReadIntByName( fs, rect_node, "width", 0 );
|
|
point_seq->rect.height = cvReadIntByName( fs, rect_node, "height", 0 );
|
|
point_seq->color = cvReadIntByName( fs, node, "color", 0 );
|
|
}
|
|
else if( origin_node )
|
|
{
|
|
CvChain* chain = (CvChain*)seq;
|
|
chain->origin.x = cvReadIntByName( fs, origin_node, "x", 0 );
|
|
chain->origin.y = cvReadIntByName( fs, origin_node, "y", 0 );
|
|
}
|
|
|
|
cvSeqPushMulti( seq, 0, total, 0 );
|
|
fmt_pair_count = icvDecodeFormat( dt, fmt_pairs, CV_FS_MAX_FMT_PAIRS );
|
|
fmt_pair_count *= 2;
|
|
for( i = 0; i < fmt_pair_count; i += 2 )
|
|
items_per_elem += fmt_pairs[i];
|
|
|
|
data = cvGetFileNodeByName( fs, node, "data" );
|
|
if( !data )
|
|
CV_Error( CV_StsError, "The image data is not found in file storage" );
|
|
|
|
if( icvFileNodeSeqLen( data ) != total*items_per_elem )
|
|
CV_Error( CV_StsError, "The number of stored elements does not match to \"count\"" );
|
|
|
|
cvStartReadRawData( fs, data, &reader );
|
|
for( block = seq->first; block; block = block->next )
|
|
{
|
|
int delta = block->count*items_per_elem;
|
|
cvReadRawDataSlice( fs, &reader, delta, block->data, dt );
|
|
if( block == seq->first->prev )
|
|
break;
|
|
}
|
|
|
|
ptr = seq;
|
|
return ptr;
|
|
}
|
|
|
|
|
|
static void*
|
|
icvReadSeqTree( CvFileStorage* fs, CvFileNode* node )
|
|
{
|
|
void* ptr = 0;
|
|
CvFileNode *sequences_node = cvGetFileNodeByName( fs, node, "sequences" );
|
|
CvSeq* sequences;
|
|
CvSeq* root = 0;
|
|
CvSeq* parent = 0;
|
|
CvSeq* prev_seq = 0;
|
|
CvSeqReader reader;
|
|
int i, total;
|
|
int prev_level = 0;
|
|
|
|
if( !sequences_node || !CV_NODE_IS_SEQ(sequences_node->tag) )
|
|
CV_Error( CV_StsParseError,
|
|
"opencv-sequence-tree instance should contain a field \"sequences\" that should be a sequence" );
|
|
|
|
sequences = sequences_node->data.seq;
|
|
total = sequences->total;
|
|
|
|
cvStartReadSeq( sequences, &reader, 0 );
|
|
for( i = 0; i < total; i++ )
|
|
{
|
|
CvFileNode* elem = (CvFileNode*)reader.ptr;
|
|
CvSeq* seq;
|
|
int level;
|
|
seq = (CvSeq*)cvRead( fs, elem );
|
|
level = cvReadIntByName( fs, elem, "level", -1 );
|
|
if( level < 0 )
|
|
CV_Error( CV_StsParseError, "All the sequence tree nodes should contain \"level\" field" );
|
|
if( !root )
|
|
root = seq;
|
|
if( level > prev_level )
|
|
{
|
|
assert( level == prev_level + 1 );
|
|
parent = prev_seq;
|
|
prev_seq = 0;
|
|
if( parent )
|
|
parent->v_next = seq;
|
|
}
|
|
else if( level < prev_level )
|
|
{
|
|
for( ; prev_level > level; prev_level-- )
|
|
prev_seq = prev_seq->v_prev;
|
|
parent = prev_seq->v_prev;
|
|
}
|
|
seq->h_prev = prev_seq;
|
|
if( prev_seq )
|
|
prev_seq->h_next = seq;
|
|
seq->v_prev = parent;
|
|
prev_seq = seq;
|
|
prev_level = level;
|
|
CV_NEXT_SEQ_ELEM( sequences->elem_size, reader );
|
|
}
|
|
|
|
ptr = root;
|
|
return ptr;
|
|
}
|
|
|
|
/******************************* CvGraph ******************************/
|
|
|
|
static int
|
|
icvIsGraph( const void* ptr )
|
|
{
|
|
return CV_IS_GRAPH(ptr);
|
|
}
|
|
|
|
|
|
static void
|
|
icvReleaseGraph( void** ptr )
|
|
{
|
|
if( !ptr )
|
|
CV_Error( CV_StsNullPtr, "NULL double pointer" );
|
|
|
|
*ptr = 0; // it's impossible now to release graph, so just clear the pointer
|
|
}
|
|
|
|
|
|
static void*
|
|
icvCloneGraph( const void* ptr )
|
|
{
|
|
return cvCloneGraph( (const CvGraph*)ptr, 0 );
|
|
}
|
|
|
|
|
|
static void
|
|
icvWriteGraph( CvFileStorage* fs, const char* name,
|
|
const void* struct_ptr, CvAttrList attr )
|
|
{
|
|
int* flag_buf = 0;
|
|
char* write_buf = 0;
|
|
const CvGraph* graph = (const CvGraph*)struct_ptr;
|
|
CvSeqReader reader;
|
|
char buf[128];
|
|
int i, k, vtx_count, edge_count;
|
|
char vtx_dt_buf[128], *vtx_dt;
|
|
char edge_dt_buf[128], *edge_dt;
|
|
int write_buf_size;
|
|
|
|
assert( CV_IS_GRAPH(graph) );
|
|
vtx_count = cvGraphGetVtxCount( graph );
|
|
edge_count = cvGraphGetEdgeCount( graph );
|
|
flag_buf = (int*)cvAlloc( vtx_count*sizeof(flag_buf[0]));
|
|
|
|
// count vertices
|
|
cvStartReadSeq( (CvSeq*)graph, &reader );
|
|
for( i = 0, k = 0; i < graph->total; i++ )
|
|
{
|
|
if( CV_IS_SET_ELEM( reader.ptr ))
|
|
{
|
|
CvGraphVtx* vtx = (CvGraphVtx*)reader.ptr;
|
|
flag_buf[k] = vtx->flags;
|
|
vtx->flags = k++;
|
|
}
|
|
CV_NEXT_SEQ_ELEM( graph->elem_size, reader );
|
|
}
|
|
|
|
// write header
|
|
cvStartWriteStruct( fs, name, CV_NODE_MAP, CV_TYPE_NAME_GRAPH );
|
|
|
|
cvWriteString(fs, "flags", CV_IS_GRAPH_ORIENTED(graph) ? "oriented" : "", 1);
|
|
|
|
cvWriteInt( fs, "vertex_count", vtx_count );
|
|
vtx_dt = icvGetFormat( (CvSeq*)graph, "vertex_dt",
|
|
&attr, sizeof(CvGraphVtx), vtx_dt_buf );
|
|
if( vtx_dt )
|
|
cvWriteString( fs, "vertex_dt", vtx_dt, 0 );
|
|
|
|
cvWriteInt( fs, "edge_count", edge_count );
|
|
edge_dt = icvGetFormat( (CvSeq*)graph->edges, "edge_dt",
|
|
&attr, sizeof(CvGraphEdge), buf );
|
|
sprintf( edge_dt_buf, "2if%s", edge_dt ? edge_dt : "" );
|
|
edge_dt = edge_dt_buf;
|
|
cvWriteString( fs, "edge_dt", edge_dt, 0 );
|
|
|
|
icvWriteHeaderData( fs, (CvSeq*)graph, &attr, sizeof(CvGraph) );
|
|
|
|
write_buf_size = MAX( 3*graph->elem_size, 1 << 16 );
|
|
write_buf_size = MAX( 3*graph->edges->elem_size, write_buf_size );
|
|
write_buf = (char*)cvAlloc( write_buf_size );
|
|
|
|
// as vertices and edges are written in similar way,
|
|
// do it as a parametrized 2-iteration loop
|
|
for( k = 0; k < 2; k++ )
|
|
{
|
|
const char* dt = k == 0 ? vtx_dt : edge_dt;
|
|
if( dt )
|
|
{
|
|
CvSet* data = k == 0 ? (CvSet*)graph : graph->edges;
|
|
int elem_size = data->elem_size;
|
|
int write_elem_size = icvCalcElemSize( dt, 0 );
|
|
char* src_ptr = write_buf;
|
|
int write_max = write_buf_size / write_elem_size, write_count = 0;
|
|
|
|
// alignment of user part of the edge data following 2if
|
|
int edge_user_align = sizeof(float);
|
|
|
|
if( k == 1 )
|
|
{
|
|
int fmt_pairs[CV_FS_MAX_FMT_PAIRS], fmt_pair_count;
|
|
fmt_pair_count = icvDecodeFormat( dt, fmt_pairs, CV_FS_MAX_FMT_PAIRS );
|
|
if( fmt_pair_count > 2 && CV_ELEM_SIZE(fmt_pairs[2*2+1]) >= (int)sizeof(double))
|
|
edge_user_align = sizeof(double);
|
|
}
|
|
|
|
cvStartWriteStruct( fs, k == 0 ? "vertices" : "edges",
|
|
CV_NODE_SEQ + CV_NODE_FLOW );
|
|
cvStartReadSeq( (CvSeq*)data, &reader );
|
|
for( i = 0; i < data->total; i++ )
|
|
{
|
|
if( CV_IS_SET_ELEM( reader.ptr ))
|
|
{
|
|
if( k == 0 ) // vertices
|
|
memcpy( src_ptr, reader.ptr + sizeof(CvGraphVtx), write_elem_size );
|
|
else
|
|
{
|
|
CvGraphEdge* edge = (CvGraphEdge*)reader.ptr;
|
|
src_ptr = (char*)cvAlignPtr( src_ptr, sizeof(int) );
|
|
((int*)src_ptr)[0] = edge->vtx[0]->flags;
|
|
((int*)src_ptr)[1] = edge->vtx[1]->flags;
|
|
*(float*)(src_ptr + sizeof(int)*2) = edge->weight;
|
|
if( elem_size > (int)sizeof(CvGraphEdge) )
|
|
{
|
|
char* src_ptr2 = (char*)cvAlignPtr( src_ptr + 2*sizeof(int)
|
|
+ sizeof(float), edge_user_align );
|
|
memcpy( src_ptr2, edge + 1, elem_size - sizeof(CvGraphEdge) );
|
|
}
|
|
}
|
|
src_ptr += write_elem_size;
|
|
if( ++write_count >= write_max )
|
|
{
|
|
cvWriteRawData( fs, write_buf, write_count, dt );
|
|
write_count = 0;
|
|
src_ptr = write_buf;
|
|
}
|
|
}
|
|
CV_NEXT_SEQ_ELEM( data->elem_size, reader );
|
|
}
|
|
|
|
if( write_count > 0 )
|
|
cvWriteRawData( fs, write_buf, write_count, dt );
|
|
cvEndWriteStruct( fs );
|
|
}
|
|
}
|
|
|
|
cvEndWriteStruct( fs );
|
|
|
|
// final stage. restore the graph flags
|
|
cvStartReadSeq( (CvSeq*)graph, &reader );
|
|
vtx_count = 0;
|
|
for( i = 0; i < graph->total; i++ )
|
|
{
|
|
if( CV_IS_SET_ELEM( reader.ptr ))
|
|
((CvGraphVtx*)reader.ptr)->flags = flag_buf[vtx_count++];
|
|
CV_NEXT_SEQ_ELEM( graph->elem_size, reader );
|
|
}
|
|
|
|
cvFree( &write_buf );
|
|
cvFree( &flag_buf );
|
|
}
|
|
|
|
|
|
static void*
|
|
icvReadGraph( CvFileStorage* fs, CvFileNode* node )
|
|
{
|
|
void* ptr = 0;
|
|
char* read_buf = 0;
|
|
CvGraphVtx** vtx_buf = 0;
|
|
CvGraph* graph;
|
|
CvFileNode *header_node, *vtx_node, *edge_node;
|
|
int flags, vtx_count, edge_count;
|
|
int vtx_size = sizeof(CvGraphVtx), edge_size, header_size = sizeof(CvGraph);
|
|
int src_vtx_size = 0, src_edge_size;
|
|
int fmt_pairs[CV_FS_MAX_FMT_PAIRS], fmt_pair_count;
|
|
int vtx_items_per_elem = 0, edge_items_per_elem = 0;
|
|
int edge_user_align = sizeof(float);
|
|
int read_buf_size;
|
|
int i, k;
|
|
const char* flags_str;
|
|
const char* header_dt;
|
|
const char* vtx_dt;
|
|
const char* edge_dt;
|
|
char* endptr = 0;
|
|
|
|
flags_str = cvReadStringByName( fs, node, "flags", 0 );
|
|
vtx_dt = cvReadStringByName( fs, node, "vertex_dt", 0 );
|
|
edge_dt = cvReadStringByName( fs, node, "edge_dt", 0 );
|
|
vtx_count = cvReadIntByName( fs, node, "vertex_count", -1 );
|
|
edge_count = cvReadIntByName( fs, node, "edge_count", -1 );
|
|
|
|
if( !flags_str || vtx_count == -1 || edge_count == -1 || !edge_dt )
|
|
CV_Error( CV_StsError, "Some of essential graph attributes are absent" );
|
|
|
|
flags = CV_SET_MAGIC_VAL + CV_GRAPH;
|
|
|
|
if( isxdigit(flags_str[0]) )
|
|
{
|
|
const int OLD_SEQ_ELTYPE_BITS = 9;
|
|
const int OLD_SEQ_KIND_BITS = 3;
|
|
const int OLD_SEQ_FLAG_SHIFT = OLD_SEQ_KIND_BITS + OLD_SEQ_ELTYPE_BITS;
|
|
const int OLD_GRAPH_FLAG_ORIENTED = 1 << OLD_SEQ_FLAG_SHIFT;
|
|
|
|
int flags0 = (int)strtol( flags_str, &endptr, 16 );
|
|
if( endptr == flags_str || (flags0 & CV_MAGIC_MASK) != CV_SET_MAGIC_VAL )
|
|
CV_Error( CV_StsError, "The sequence flags are invalid" );
|
|
if( flags0 & OLD_GRAPH_FLAG_ORIENTED )
|
|
flags |= CV_GRAPH_FLAG_ORIENTED;
|
|
}
|
|
else
|
|
{
|
|
if( strstr(flags_str, "oriented") )
|
|
flags |= CV_GRAPH_FLAG_ORIENTED;
|
|
}
|
|
|
|
header_dt = cvReadStringByName( fs, node, "header_dt", 0 );
|
|
header_node = cvGetFileNodeByName( fs, node, "header_user_data" );
|
|
|
|
if( (header_dt != 0) ^ (header_node != 0) )
|
|
CV_Error( CV_StsError,
|
|
"One of \"header_dt\" and \"header_user_data\" is there, while the other is not" );
|
|
|
|
if( header_dt )
|
|
header_size = icvCalcElemSize( header_dt, header_size );
|
|
|
|
if( vtx_dt )
|
|
{
|
|
src_vtx_size = icvCalcElemSize( vtx_dt, 0 );
|
|
vtx_size = icvCalcElemSize( vtx_dt, vtx_size );
|
|
fmt_pair_count = icvDecodeFormat( edge_dt,
|
|
fmt_pairs, CV_FS_MAX_FMT_PAIRS );
|
|
fmt_pair_count *= 2;
|
|
for( i = 0; i < fmt_pair_count; i += 2 )
|
|
vtx_items_per_elem += fmt_pairs[i];
|
|
}
|
|
|
|
{
|
|
char dst_edge_dt_buf[128];
|
|
const char* dst_edge_dt = 0;
|
|
|
|
fmt_pair_count = icvDecodeFormat( edge_dt,
|
|
fmt_pairs, CV_FS_MAX_FMT_PAIRS );
|
|
if( fmt_pair_count < 2 ||
|
|
fmt_pairs[0] != 2 || fmt_pairs[1] != CV_32S ||
|
|
fmt_pairs[2] < 1 || fmt_pairs[3] != CV_32F )
|
|
CV_Error( CV_StsBadArg,
|
|
"Graph edges should start with 2 integers and a float" );
|
|
|
|
// alignment of user part of the edge data following 2if
|
|
if( fmt_pair_count > 2 && CV_ELEM_SIZE(fmt_pairs[5]) >= (int)sizeof(double))
|
|
edge_user_align = sizeof(double);
|
|
|
|
fmt_pair_count *= 2;
|
|
for( i = 0; i < fmt_pair_count; i += 2 )
|
|
edge_items_per_elem += fmt_pairs[i];
|
|
|
|
if( edge_dt[2] == 'f' || (edge_dt[2] == '1' && edge_dt[3] == 'f') )
|
|
dst_edge_dt = edge_dt + 3 + cv_isdigit(edge_dt[2]);
|
|
else
|
|
{
|
|
int val = (int)strtol( edge_dt + 2, &endptr, 10 );
|
|
sprintf( dst_edge_dt_buf, "%df%s", val-1, endptr );
|
|
dst_edge_dt = dst_edge_dt_buf;
|
|
}
|
|
|
|
edge_size = icvCalcElemSize( dst_edge_dt, sizeof(CvGraphEdge) );
|
|
src_edge_size = icvCalcElemSize( edge_dt, 0 );
|
|
}
|
|
|
|
graph = cvCreateGraph( flags, header_size, vtx_size, edge_size, fs->dststorage );
|
|
|
|
if( header_node )
|
|
cvReadRawData( fs, header_node, (char*)graph + sizeof(CvGraph), header_dt );
|
|
|
|
read_buf_size = MAX( src_vtx_size*3, 1 << 16 );
|
|
read_buf_size = MAX( src_edge_size*3, read_buf_size );
|
|
read_buf = (char*)cvAlloc( read_buf_size );
|
|
vtx_buf = (CvGraphVtx**)cvAlloc( vtx_count * sizeof(vtx_buf[0]) );
|
|
|
|
vtx_node = cvGetFileNodeByName( fs, node, "vertices" );
|
|
edge_node = cvGetFileNodeByName( fs, node, "edges" );
|
|
if( !edge_node )
|
|
CV_Error( CV_StsBadArg, "No edges data" );
|
|
if( vtx_dt && !vtx_node )
|
|
CV_Error( CV_StsBadArg, "No vertices data" );
|
|
|
|
// as vertices and edges are read in similar way,
|
|
// do it as a parametrized 2-iteration loop
|
|
for( k = 0; k < 2; k++ )
|
|
{
|
|
const char* dt = k == 0 ? vtx_dt : edge_dt;
|
|
int elem_size = k == 0 ? vtx_size : edge_size;
|
|
int src_elem_size = k == 0 ? src_vtx_size : src_edge_size;
|
|
int items_per_elem = k == 0 ? vtx_items_per_elem : edge_items_per_elem;
|
|
int elem_count = k == 0 ? vtx_count : edge_count;
|
|
char* dst_ptr = read_buf;
|
|
int read_max = read_buf_size /MAX(src_elem_size, 1), read_count = 0;
|
|
CvSeqReader reader;
|
|
if(dt)
|
|
cvStartReadRawData( fs, k == 0 ? vtx_node : edge_node, &reader );
|
|
|
|
for( i = 0; i < elem_count; i++ )
|
|
{
|
|
if( read_count == 0 && dt )
|
|
{
|
|
int count = MIN( elem_count - i, read_max )*items_per_elem;
|
|
cvReadRawDataSlice( fs, &reader, count, read_buf, dt );
|
|
read_count = count;
|
|
dst_ptr = read_buf;
|
|
}
|
|
|
|
if( k == 0 )
|
|
{
|
|
CvGraphVtx* vtx;
|
|
cvGraphAddVtx( graph, 0, &vtx );
|
|
vtx_buf[i] = vtx;
|
|
if( dt )
|
|
memcpy( vtx + 1, dst_ptr, src_elem_size );
|
|
}
|
|
else
|
|
{
|
|
CvGraphEdge* edge = 0;
|
|
int vtx1 = ((int*)dst_ptr)[0];
|
|
int vtx2 = ((int*)dst_ptr)[1];
|
|
int result;
|
|
|
|
if( (unsigned)vtx1 >= (unsigned)vtx_count ||
|
|
(unsigned)vtx2 >= (unsigned)vtx_count )
|
|
CV_Error( CV_StsOutOfRange,
|
|
"Some of stored vertex indices are out of range" );
|
|
|
|
result = cvGraphAddEdgeByPtr( graph,
|
|
vtx_buf[vtx1], vtx_buf[vtx2], 0, &edge );
|
|
|
|
if( result == 0 )
|
|
CV_Error( CV_StsBadArg, "Duplicated edge has occured" );
|
|
|
|
edge->weight = *(float*)(dst_ptr + sizeof(int)*2);
|
|
if( elem_size > (int)sizeof(CvGraphEdge) )
|
|
{
|
|
char* dst_ptr2 = (char*)cvAlignPtr( dst_ptr + sizeof(int)*2 +
|
|
sizeof(float), edge_user_align );
|
|
memcpy( edge + 1, dst_ptr2, elem_size - sizeof(CvGraphEdge) );
|
|
}
|
|
}
|
|
|
|
dst_ptr += src_elem_size;
|
|
read_count--;
|
|
}
|
|
}
|
|
|
|
ptr = graph;
|
|
cvFree( &read_buf );
|
|
cvFree( &vtx_buf );
|
|
|
|
return ptr;
|
|
}
|
|
|
|
/****************************************************************************************\
|
|
* RTTI Functions *
|
|
\****************************************************************************************/
|
|
|
|
CvTypeInfo *CvType::first = 0, *CvType::last = 0;
|
|
|
|
CvType::CvType( const char* type_name,
|
|
CvIsInstanceFunc is_instance, CvReleaseFunc release,
|
|
CvReadFunc read, CvWriteFunc write, CvCloneFunc clone )
|
|
{
|
|
CvTypeInfo _info;
|
|
_info.flags = 0;
|
|
_info.header_size = sizeof(_info);
|
|
_info.type_name = type_name;
|
|
_info.prev = _info.next = 0;
|
|
_info.is_instance = is_instance;
|
|
_info.release = release;
|
|
_info.clone = clone;
|
|
_info.read = read;
|
|
_info.write = write;
|
|
|
|
cvRegisterType( &_info );
|
|
info = first;
|
|
}
|
|
|
|
|
|
CvType::~CvType()
|
|
{
|
|
cvUnregisterType( info->type_name );
|
|
}
|
|
|
|
|
|
CvType seq_type( CV_TYPE_NAME_SEQ, icvIsSeq, icvReleaseSeq, icvReadSeq,
|
|
icvWriteSeqTree /* this is the entry point for
|
|
writing a single sequence too */, icvCloneSeq );
|
|
|
|
CvType seq_tree_type( CV_TYPE_NAME_SEQ_TREE, icvIsSeq, icvReleaseSeq,
|
|
icvReadSeqTree, icvWriteSeqTree, icvCloneSeq );
|
|
|
|
CvType seq_graph_type( CV_TYPE_NAME_GRAPH, icvIsGraph, icvReleaseGraph,
|
|
icvReadGraph, icvWriteGraph, icvCloneGraph );
|
|
|
|
CvType sparse_mat_type( CV_TYPE_NAME_SPARSE_MAT, icvIsSparseMat,
|
|
(CvReleaseFunc)cvReleaseSparseMat, icvReadSparseMat,
|
|
icvWriteSparseMat, (CvCloneFunc)cvCloneSparseMat );
|
|
|
|
CvType image_type( CV_TYPE_NAME_IMAGE, icvIsImage, (CvReleaseFunc)cvReleaseImage,
|
|
icvReadImage, icvWriteImage, (CvCloneFunc)cvCloneImage );
|
|
|
|
CvType mat_type( CV_TYPE_NAME_MAT, icvIsMat, (CvReleaseFunc)cvReleaseMat,
|
|
icvReadMat, icvWriteMat, (CvCloneFunc)cvCloneMat );
|
|
|
|
CvType matnd_type( CV_TYPE_NAME_MATND, icvIsMatND, (CvReleaseFunc)cvReleaseMatND,
|
|
icvReadMatND, icvWriteMatND, (CvCloneFunc)cvCloneMatND );
|
|
|
|
CV_IMPL void
|
|
cvRegisterType( const CvTypeInfo* _info )
|
|
{
|
|
CvTypeInfo* info = 0;
|
|
int i, len;
|
|
char c;
|
|
|
|
//if( !CvType::first )
|
|
// icvCreateStandardTypes();
|
|
|
|
if( !_info || _info->header_size != sizeof(CvTypeInfo) )
|
|
CV_Error( CV_StsBadSize, "Invalid type info" );
|
|
|
|
if( !_info->is_instance || !_info->release ||
|
|
!_info->read || !_info->write )
|
|
CV_Error( CV_StsNullPtr,
|
|
"Some of required function pointers "
|
|
"(is_instance, release, read or write) are NULL");
|
|
|
|
c = _info->type_name[0];
|
|
if( !cv_isalpha(c) && c != '_' )
|
|
CV_Error( CV_StsBadArg, "Type name should start with a letter or _" );
|
|
|
|
len = (int)strlen(_info->type_name);
|
|
|
|
for( i = 0; i < len; i++ )
|
|
{
|
|
c = _info->type_name[i];
|
|
if( !cv_isalnum(c) && c != '-' && c != '_' )
|
|
CV_Error( CV_StsBadArg,
|
|
"Type name should contain only letters, digits, - and _" );
|
|
}
|
|
|
|
info = (CvTypeInfo*)cvAlloc( sizeof(*info) + len + 1 );
|
|
|
|
*info = *_info;
|
|
info->type_name = (char*)(info + 1);
|
|
memcpy( (char*)info->type_name, _info->type_name, len + 1 );
|
|
|
|
info->flags = 0;
|
|
info->next = CvType::first;
|
|
info->prev = 0;
|
|
if( CvType::first )
|
|
CvType::first->prev = info;
|
|
else
|
|
CvType::last = info;
|
|
CvType::first = info;
|
|
}
|
|
|
|
|
|
CV_IMPL void
|
|
cvUnregisterType( const char* type_name )
|
|
{
|
|
CvTypeInfo* info;
|
|
|
|
info = cvFindType( type_name );
|
|
if( info )
|
|
{
|
|
if( info->prev )
|
|
info->prev->next = info->next;
|
|
else
|
|
CvType::first = info->next;
|
|
|
|
if( info->next )
|
|
info->next->prev = info->prev;
|
|
else
|
|
CvType::last = info->prev;
|
|
|
|
if( !CvType::first || !CvType::last )
|
|
CvType::first = CvType::last = 0;
|
|
|
|
cvFree( &info );
|
|
}
|
|
}
|
|
|
|
|
|
CV_IMPL CvTypeInfo*
|
|
cvFirstType( void )
|
|
{
|
|
return CvType::first;
|
|
}
|
|
|
|
|
|
CV_IMPL CvTypeInfo*
|
|
cvFindType( const char* type_name )
|
|
{
|
|
CvTypeInfo* info = 0;
|
|
|
|
if (type_name)
|
|
for( info = CvType::first; info != 0; info = info->next )
|
|
if( strcmp( info->type_name, type_name ) == 0 )
|
|
break;
|
|
|
|
return info;
|
|
}
|
|
|
|
|
|
CV_IMPL CvTypeInfo*
|
|
cvTypeOf( const void* struct_ptr )
|
|
{
|
|
CvTypeInfo* info = 0;
|
|
|
|
if( struct_ptr )
|
|
{
|
|
for( info = CvType::first; info != 0; info = info->next )
|
|
if( info->is_instance( struct_ptr ))
|
|
break;
|
|
}
|
|
|
|
return info;
|
|
}
|
|
|
|
|
|
/* universal functions */
|
|
CV_IMPL void
|
|
cvRelease( void** struct_ptr )
|
|
{
|
|
CvTypeInfo* info;
|
|
|
|
if( !struct_ptr )
|
|
CV_Error( CV_StsNullPtr, "NULL double pointer" );
|
|
|
|
if( *struct_ptr )
|
|
{
|
|
info = cvTypeOf( *struct_ptr );
|
|
if( !info )
|
|
CV_Error( CV_StsError, "Unknown object type" );
|
|
if( !info->release )
|
|
CV_Error( CV_StsError, "release function pointer is NULL" );
|
|
|
|
info->release( struct_ptr );
|
|
*struct_ptr = 0;
|
|
}
|
|
}
|
|
|
|
|
|
void* cvClone( const void* struct_ptr )
|
|
{
|
|
void* struct_copy = 0;
|
|
CvTypeInfo* info;
|
|
|
|
if( !struct_ptr )
|
|
CV_Error( CV_StsNullPtr, "NULL structure pointer" );
|
|
|
|
info = cvTypeOf( struct_ptr );
|
|
if( !info )
|
|
CV_Error( CV_StsError, "Unknown object type" );
|
|
if( !info->clone )
|
|
CV_Error( CV_StsError, "clone function pointer is NULL" );
|
|
|
|
struct_copy = info->clone( struct_ptr );
|
|
return struct_copy;
|
|
}
|
|
|
|
|
|
/* reads matrix, image, sequence, graph etc. */
|
|
CV_IMPL void*
|
|
cvRead( CvFileStorage* fs, CvFileNode* node, CvAttrList* list )
|
|
{
|
|
void* obj = 0;
|
|
CV_CHECK_FILE_STORAGE( fs );
|
|
|
|
if( !node )
|
|
return 0;
|
|
|
|
if( !CV_NODE_IS_USER(node->tag) || !node->info )
|
|
CV_Error( CV_StsError, "The node does not represent a user object (unknown type?)" );
|
|
|
|
obj = node->info->read( fs, node );
|
|
if( list )
|
|
*list = cvAttrList(0,0);
|
|
|
|
return obj;
|
|
}
|
|
|
|
|
|
/* writes matrix, image, sequence, graph etc. */
|
|
CV_IMPL void
|
|
cvWrite( CvFileStorage* fs, const char* name,
|
|
const void* ptr, CvAttrList attributes )
|
|
{
|
|
CvTypeInfo* info;
|
|
|
|
CV_CHECK_OUTPUT_FILE_STORAGE( fs );
|
|
|
|
if( !ptr )
|
|
CV_Error( CV_StsNullPtr, "Null pointer to the written object" );
|
|
|
|
info = cvTypeOf( ptr );
|
|
if( !info )
|
|
CV_Error( CV_StsBadArg, "Unknown object" );
|
|
|
|
if( !info->write )
|
|
CV_Error( CV_StsBadArg, "The object does not have write function" );
|
|
|
|
info->write( fs, name, ptr, attributes );
|
|
}
|
|
|
|
|
|
/* simple API for reading/writing data */
|
|
CV_IMPL void
|
|
cvSave( const char* filename, const void* struct_ptr,
|
|
const char* _name, const char* comment, CvAttrList attributes )
|
|
{
|
|
CvFileStorage* fs = 0;
|
|
|
|
if( !struct_ptr )
|
|
CV_Error( CV_StsNullPtr, "NULL object pointer" );
|
|
|
|
fs = cvOpenFileStorage( filename, 0, CV_STORAGE_WRITE );
|
|
if( !fs )
|
|
CV_Error( CV_StsError, "Could not open the file storage. Check the path and permissions" );
|
|
|
|
cv::String name = _name ? cv::String(_name) : cv::FileStorage::getDefaultObjectName(filename);
|
|
|
|
if( comment )
|
|
cvWriteComment( fs, comment, 0 );
|
|
cvWrite( fs, name.c_str(), struct_ptr, attributes );
|
|
cvReleaseFileStorage( &fs );
|
|
}
|
|
|
|
CV_IMPL void*
|
|
cvLoad( const char* filename, CvMemStorage* memstorage,
|
|
const char* name, const char** _real_name )
|
|
{
|
|
void* ptr = 0;
|
|
const char* real_name = 0;
|
|
cv::FileStorage fs(cvOpenFileStorage(filename, memstorage, CV_STORAGE_READ));
|
|
|
|
CvFileNode* node = 0;
|
|
|
|
if( !fs.isOpened() )
|
|
return 0;
|
|
|
|
if( name )
|
|
{
|
|
node = cvGetFileNodeByName( *fs, 0, name );
|
|
}
|
|
else
|
|
{
|
|
int i, k;
|
|
for( k = 0; k < (*fs)->roots->total; k++ )
|
|
{
|
|
CvSeq* seq;
|
|
CvSeqReader reader;
|
|
|
|
node = (CvFileNode*)cvGetSeqElem( (*fs)->roots, k );
|
|
if( !CV_NODE_IS_MAP( node->tag ))
|
|
return 0;
|
|
seq = node->data.seq;
|
|
node = 0;
|
|
|
|
cvStartReadSeq( seq, &reader, 0 );
|
|
|
|
// find the first element in the map
|
|
for( i = 0; i < seq->total; i++ )
|
|
{
|
|
if( CV_IS_SET_ELEM( reader.ptr ))
|
|
{
|
|
node = (CvFileNode*)reader.ptr;
|
|
goto stop_search;
|
|
}
|
|
CV_NEXT_SEQ_ELEM( seq->elem_size, reader );
|
|
}
|
|
}
|
|
|
|
stop_search:
|
|
;
|
|
}
|
|
|
|
if( !node )
|
|
CV_Error( CV_StsObjectNotFound, "Could not find the/an object in file storage" );
|
|
|
|
real_name = cvGetFileNodeName( node );
|
|
ptr = cvRead( *fs, node, 0 );
|
|
|
|
// sanity check
|
|
if( !memstorage && (CV_IS_SEQ( ptr ) || CV_IS_SET( ptr )) )
|
|
CV_Error( CV_StsNullPtr,
|
|
"NULL memory storage is passed - the loaded dynamic structure can not be stored" );
|
|
|
|
if( cvGetErrStatus() < 0 )
|
|
{
|
|
cvRelease( (void**)&ptr );
|
|
real_name = 0;
|
|
}
|
|
|
|
if( _real_name)
|
|
{
|
|
if (real_name)
|
|
{
|
|
*_real_name = (const char*)cvAlloc(strlen(real_name));
|
|
memcpy((void*)*_real_name, real_name, strlen(real_name));
|
|
} else {
|
|
*_real_name = 0;
|
|
}
|
|
}
|
|
|
|
return ptr;
|
|
}
|
|
|
|
|
|
///////////////////////// new C++ interface for CvFileStorage ///////////////////////////
|
|
|
|
namespace cv
|
|
{
|
|
|
|
static void getElemSize( const String& fmt, size_t& elemSize, size_t& cn )
|
|
{
|
|
const char* dt = fmt.c_str();
|
|
cn = 1;
|
|
if( cv_isdigit(dt[0]) )
|
|
{
|
|
cn = dt[0] - '0';
|
|
dt++;
|
|
}
|
|
char c = dt[0];
|
|
elemSize = cn*(c == 'u' || c == 'c' ? sizeof(uchar) : c == 'w' || c == 's' ? sizeof(ushort) :
|
|
c == 'i' ? sizeof(int) : c == 'f' ? sizeof(float) : c == 'd' ? sizeof(double) :
|
|
c == 'r' ? sizeof(void*) : (size_t)0);
|
|
}
|
|
|
|
FileStorage::FileStorage()
|
|
{
|
|
state = UNDEFINED;
|
|
}
|
|
|
|
FileStorage::FileStorage(const String& filename, int flags, const String& encoding)
|
|
{
|
|
state = UNDEFINED;
|
|
open( filename, flags, encoding );
|
|
}
|
|
|
|
FileStorage::FileStorage(CvFileStorage* _fs, bool owning)
|
|
{
|
|
if (owning) fs.reset(_fs);
|
|
else fs = Ptr<CvFileStorage>(Ptr<CvFileStorage>(), _fs);
|
|
|
|
state = _fs ? NAME_EXPECTED + INSIDE_MAP : UNDEFINED;
|
|
}
|
|
|
|
FileStorage::~FileStorage()
|
|
{
|
|
while( structs.size() > 0 )
|
|
{
|
|
cvEndWriteStruct(fs);
|
|
structs.pop_back();
|
|
}
|
|
}
|
|
|
|
bool FileStorage::open(const String& filename, int flags, const String& encoding)
|
|
{
|
|
CV_INSTRUMENT_REGION()
|
|
|
|
release();
|
|
fs.reset(cvOpenFileStorage( filename.c_str(), 0, flags,
|
|
!encoding.empty() ? encoding.c_str() : 0));
|
|
bool ok = isOpened();
|
|
state = ok ? NAME_EXPECTED + INSIDE_MAP : UNDEFINED;
|
|
return ok;
|
|
}
|
|
|
|
bool FileStorage::isOpened() const
|
|
{
|
|
return fs && fs->is_opened;
|
|
}
|
|
|
|
void FileStorage::release()
|
|
{
|
|
fs.release();
|
|
structs.clear();
|
|
state = UNDEFINED;
|
|
}
|
|
|
|
String FileStorage::releaseAndGetString()
|
|
{
|
|
String buf;
|
|
if( fs && fs->outbuf )
|
|
icvClose(fs, &buf);
|
|
|
|
release();
|
|
return buf;
|
|
}
|
|
|
|
FileNode FileStorage::root(int streamidx) const
|
|
{
|
|
return isOpened() ? FileNode(fs, cvGetRootFileNode(fs, streamidx)) : FileNode();
|
|
}
|
|
|
|
FileStorage& operator << (FileStorage& fs, const String& str)
|
|
{
|
|
CV_INSTRUMENT_REGION()
|
|
|
|
enum { NAME_EXPECTED = FileStorage::NAME_EXPECTED,
|
|
VALUE_EXPECTED = FileStorage::VALUE_EXPECTED,
|
|
INSIDE_MAP = FileStorage::INSIDE_MAP };
|
|
const char* _str = str.c_str();
|
|
if( !fs.isOpened() || !_str )
|
|
return fs;
|
|
if( *_str == '}' || *_str == ']' )
|
|
{
|
|
if( fs.structs.empty() )
|
|
CV_Error_( CV_StsError, ("Extra closing '%c'", *_str) );
|
|
if( (*_str == ']' ? '[' : '{') != fs.structs.back() )
|
|
CV_Error_( CV_StsError,
|
|
("The closing '%c' does not match the opening '%c'", *_str, fs.structs.back()));
|
|
fs.structs.pop_back();
|
|
fs.state = fs.structs.empty() || fs.structs.back() == '{' ?
|
|
INSIDE_MAP + NAME_EXPECTED : VALUE_EXPECTED;
|
|
cvEndWriteStruct( *fs );
|
|
fs.elname = String();
|
|
}
|
|
else if( fs.state == NAME_EXPECTED + INSIDE_MAP )
|
|
{
|
|
if (!cv_isalpha(*_str) && *_str != '_')
|
|
CV_Error_( CV_StsError, ("Incorrect element name %s", _str) );
|
|
fs.elname = str;
|
|
fs.state = VALUE_EXPECTED + INSIDE_MAP;
|
|
}
|
|
else if( (fs.state & 3) == VALUE_EXPECTED )
|
|
{
|
|
if( *_str == '{' || *_str == '[' )
|
|
{
|
|
fs.structs.push_back(*_str);
|
|
int flags = *_str++ == '{' ? CV_NODE_MAP : CV_NODE_SEQ;
|
|
fs.state = flags == CV_NODE_MAP ? INSIDE_MAP +
|
|
NAME_EXPECTED : VALUE_EXPECTED;
|
|
if( *_str == ':' )
|
|
{
|
|
flags |= CV_NODE_FLOW;
|
|
_str++;
|
|
}
|
|
cvStartWriteStruct( *fs, fs.elname.size() > 0 ? fs.elname.c_str() : 0,
|
|
flags, *_str ? _str : 0 );
|
|
fs.elname = String();
|
|
}
|
|
else
|
|
{
|
|
write( fs, fs.elname, (_str[0] == '\\' && (_str[1] == '{' || _str[1] == '}' ||
|
|
_str[1] == '[' || _str[1] == ']')) ? String(_str+1) : str );
|
|
if( fs.state == INSIDE_MAP + VALUE_EXPECTED )
|
|
fs.state = INSIDE_MAP + NAME_EXPECTED;
|
|
}
|
|
}
|
|
else
|
|
CV_Error( CV_StsError, "Invalid fs.state" );
|
|
return fs;
|
|
}
|
|
|
|
|
|
void FileStorage::writeRaw( const String& fmt, const uchar* vec, size_t len )
|
|
{
|
|
if( !isOpened() )
|
|
return;
|
|
size_t elemSize, cn;
|
|
getElemSize( fmt, elemSize, cn );
|
|
CV_Assert( len % elemSize == 0 );
|
|
cvWriteRawData( fs, vec, (int)(len/elemSize), fmt.c_str());
|
|
}
|
|
|
|
|
|
void FileStorage::writeObj( const String& name, const void* obj )
|
|
{
|
|
if( !isOpened() )
|
|
return;
|
|
cvWrite( fs, name.size() > 0 ? name.c_str() : 0, obj );
|
|
}
|
|
|
|
void FileStorage::write( const String& name, double val )
|
|
{
|
|
*this << name << val;
|
|
}
|
|
|
|
void FileStorage::write( const String& name, const String& val )
|
|
{
|
|
*this << name << val;
|
|
}
|
|
|
|
void FileStorage::write( const String& name, InputArray val )
|
|
{
|
|
*this << name << val.getMat();
|
|
}
|
|
|
|
void FileStorage::writeComment( const String& comment, bool append )
|
|
{
|
|
cvWriteComment(fs, comment.c_str(), append ? 1 : 0);
|
|
}
|
|
|
|
FileNode FileStorage::operator[](const String& nodename) const
|
|
{
|
|
return FileNode(fs, cvGetFileNodeByName(fs, 0, nodename.c_str()));
|
|
}
|
|
|
|
FileNode FileStorage::operator[](const char* nodename) const
|
|
{
|
|
return FileNode(fs, cvGetFileNodeByName(fs, 0, nodename));
|
|
}
|
|
|
|
FileNode FileNode::operator[](const String& nodename) const
|
|
{
|
|
return FileNode(fs, cvGetFileNodeByName(fs, node, nodename.c_str()));
|
|
}
|
|
|
|
FileNode FileNode::operator[](const char* nodename) const
|
|
{
|
|
return FileNode(fs, cvGetFileNodeByName(fs, node, nodename));
|
|
}
|
|
|
|
FileNode FileNode::operator[](int i) const
|
|
{
|
|
return isSeq() ? FileNode(fs, (CvFileNode*)cvGetSeqElem(node->data.seq, i)) :
|
|
i == 0 ? *this : FileNode();
|
|
}
|
|
|
|
String FileNode::name() const
|
|
{
|
|
const char* str;
|
|
return !node || (str = cvGetFileNodeName(node)) == 0 ? String() : String(str);
|
|
}
|
|
|
|
void* FileNode::readObj() const
|
|
{
|
|
if( !fs || !node )
|
|
return 0;
|
|
return cvRead( (CvFileStorage*)fs, (CvFileNode*)node );
|
|
}
|
|
|
|
FileNodeIterator::FileNodeIterator()
|
|
{
|
|
fs = 0;
|
|
container = 0;
|
|
reader.ptr = 0;
|
|
remaining = 0;
|
|
}
|
|
|
|
FileNodeIterator::FileNodeIterator(const CvFileStorage* _fs,
|
|
const CvFileNode* _node, size_t _ofs)
|
|
{
|
|
if( _fs && _node && CV_NODE_TYPE(_node->tag) != CV_NODE_NONE )
|
|
{
|
|
int node_type = _node->tag & FileNode::TYPE_MASK;
|
|
fs = _fs;
|
|
container = _node;
|
|
if( !(_node->tag & FileNode::USER) && (node_type == FileNode::SEQ || node_type == FileNode::MAP) )
|
|
{
|
|
cvStartReadSeq( _node->data.seq, (CvSeqReader*)&reader );
|
|
remaining = FileNode(_fs, _node).size();
|
|
}
|
|
else
|
|
{
|
|
reader.ptr = (schar*)_node;
|
|
reader.seq = 0;
|
|
remaining = 1;
|
|
}
|
|
(*this) += (int)_ofs;
|
|
}
|
|
else
|
|
{
|
|
fs = 0;
|
|
container = 0;
|
|
reader.ptr = 0;
|
|
remaining = 0;
|
|
}
|
|
}
|
|
|
|
FileNodeIterator::FileNodeIterator(const FileNodeIterator& it)
|
|
{
|
|
fs = it.fs;
|
|
container = it.container;
|
|
reader = it.reader;
|
|
remaining = it.remaining;
|
|
}
|
|
|
|
FileNodeIterator& FileNodeIterator::operator ++()
|
|
{
|
|
if( remaining > 0 )
|
|
{
|
|
if( reader.seq )
|
|
{
|
|
if( ((reader).ptr += (((CvSeq*)reader.seq)->elem_size)) >= (reader).block_max )
|
|
{
|
|
cvChangeSeqBlock( (CvSeqReader*)&(reader), 1 );
|
|
}
|
|
}
|
|
remaining--;
|
|
}
|
|
return *this;
|
|
}
|
|
|
|
FileNodeIterator FileNodeIterator::operator ++(int)
|
|
{
|
|
FileNodeIterator it = *this;
|
|
++(*this);
|
|
return it;
|
|
}
|
|
|
|
FileNodeIterator& FileNodeIterator::operator --()
|
|
{
|
|
if( remaining < FileNode(fs, container).size() )
|
|
{
|
|
if( reader.seq )
|
|
{
|
|
if( ((reader).ptr -= (((CvSeq*)reader.seq)->elem_size)) < (reader).block_min )
|
|
{
|
|
cvChangeSeqBlock( (CvSeqReader*)&(reader), -1 );
|
|
}
|
|
}
|
|
remaining++;
|
|
}
|
|
return *this;
|
|
}
|
|
|
|
FileNodeIterator FileNodeIterator::operator --(int)
|
|
{
|
|
FileNodeIterator it = *this;
|
|
--(*this);
|
|
return it;
|
|
}
|
|
|
|
FileNodeIterator& FileNodeIterator::operator += (int ofs)
|
|
{
|
|
if( ofs == 0 )
|
|
return *this;
|
|
if( ofs > 0 )
|
|
ofs = std::min(ofs, (int)remaining);
|
|
else
|
|
{
|
|
size_t count = FileNode(fs, container).size();
|
|
ofs = (int)(remaining - std::min(remaining - ofs, count));
|
|
}
|
|
remaining -= ofs;
|
|
if( reader.seq )
|
|
cvSetSeqReaderPos( (CvSeqReader*)&reader, ofs, 1 );
|
|
return *this;
|
|
}
|
|
|
|
FileNodeIterator& FileNodeIterator::operator -= (int ofs)
|
|
{
|
|
return operator += (-ofs);
|
|
}
|
|
|
|
|
|
FileNodeIterator& FileNodeIterator::readRaw( const String& fmt, uchar* vec, size_t maxCount )
|
|
{
|
|
if( fs && container && remaining > 0 )
|
|
{
|
|
size_t elem_size, cn;
|
|
getElemSize( fmt, elem_size, cn );
|
|
CV_Assert( elem_size > 0 );
|
|
size_t count = std::min(remaining, maxCount);
|
|
|
|
if( reader.seq )
|
|
{
|
|
cvReadRawDataSlice( fs, (CvSeqReader*)&reader, (int)count, vec, fmt.c_str() );
|
|
remaining -= count*cn;
|
|
}
|
|
else
|
|
{
|
|
cvReadRawData( fs, container, vec, fmt.c_str() );
|
|
remaining = 0;
|
|
}
|
|
}
|
|
return *this;
|
|
}
|
|
|
|
|
|
void write( FileStorage& fs, const String& name, int value )
|
|
{ cvWriteInt( *fs, name.size() ? name.c_str() : 0, value ); }
|
|
|
|
void write( FileStorage& fs, const String& name, float value )
|
|
{ cvWriteReal( *fs, name.size() ? name.c_str() : 0, value ); }
|
|
|
|
void write( FileStorage& fs, const String& name, double value )
|
|
{ cvWriteReal( *fs, name.size() ? name.c_str() : 0, value ); }
|
|
|
|
void write( FileStorage& fs, const String& name, const String& value )
|
|
{ cvWriteString( *fs, name.size() ? name.c_str() : 0, value.c_str() ); }
|
|
|
|
void writeScalar(FileStorage& fs, int value )
|
|
{ cvWriteInt( *fs, 0, value ); }
|
|
|
|
void writeScalar(FileStorage& fs, float value )
|
|
{ cvWriteReal( *fs, 0, value ); }
|
|
|
|
void writeScalar(FileStorage& fs, double value )
|
|
{ cvWriteReal( *fs, 0, value ); }
|
|
|
|
void writeScalar(FileStorage& fs, const String& value )
|
|
{ cvWriteString( *fs, 0, value.c_str() ); }
|
|
|
|
|
|
void write( FileStorage& fs, const String& name, const Mat& value )
|
|
{
|
|
if( value.dims <= 2 )
|
|
{
|
|
CvMat mat = value;
|
|
cvWrite( *fs, name.size() ? name.c_str() : 0, &mat );
|
|
}
|
|
else
|
|
{
|
|
CvMatND mat = value;
|
|
cvWrite( *fs, name.size() ? name.c_str() : 0, &mat );
|
|
}
|
|
}
|
|
|
|
// TODO: the 4 functions below need to be implemented more efficiently
|
|
void write( FileStorage& fs, const String& name, const SparseMat& value )
|
|
{
|
|
Ptr<CvSparseMat> mat(cvCreateSparseMat(value));
|
|
cvWrite( *fs, name.size() ? name.c_str() : 0, mat );
|
|
}
|
|
|
|
|
|
internal::WriteStructContext::WriteStructContext(FileStorage& _fs,
|
|
const String& name, int flags, const String& typeName) : fs(&_fs)
|
|
{
|
|
cvStartWriteStruct(**fs, !name.empty() ? name.c_str() : 0, flags,
|
|
!typeName.empty() ? typeName.c_str() : 0);
|
|
fs->elname = String();
|
|
if ((flags & FileNode::TYPE_MASK) == FileNode::SEQ)
|
|
{
|
|
fs->state = FileStorage::VALUE_EXPECTED;
|
|
fs->structs.push_back('[');
|
|
}
|
|
else
|
|
{
|
|
fs->state = FileStorage::NAME_EXPECTED + FileStorage::INSIDE_MAP;
|
|
fs->structs.push_back('{');
|
|
}
|
|
}
|
|
|
|
internal::WriteStructContext::~WriteStructContext()
|
|
{
|
|
cvEndWriteStruct(**fs);
|
|
fs->structs.pop_back();
|
|
fs->state = fs->structs.empty() || fs->structs.back() == '{' ?
|
|
FileStorage::NAME_EXPECTED + FileStorage::INSIDE_MAP :
|
|
FileStorage::VALUE_EXPECTED;
|
|
fs->elname = String();
|
|
}
|
|
|
|
|
|
void read( const FileNode& node, Mat& mat, const Mat& default_mat )
|
|
{
|
|
if( node.empty() )
|
|
{
|
|
default_mat.copyTo(mat);
|
|
return;
|
|
}
|
|
void* obj = cvRead((CvFileStorage*)node.fs, (CvFileNode*)*node);
|
|
if(CV_IS_MAT_HDR_Z(obj))
|
|
{
|
|
cvarrToMat(obj).copyTo(mat);
|
|
cvReleaseMat((CvMat**)&obj);
|
|
}
|
|
else if(CV_IS_MATND_HDR(obj))
|
|
{
|
|
cvarrToMat(obj).copyTo(mat);
|
|
cvReleaseMatND((CvMatND**)&obj);
|
|
}
|
|
else
|
|
{
|
|
cvRelease(&obj);
|
|
CV_Error(CV_StsBadArg, "Unknown array type");
|
|
}
|
|
}
|
|
|
|
void read( const FileNode& node, SparseMat& mat, const SparseMat& default_mat )
|
|
{
|
|
if( node.empty() )
|
|
{
|
|
default_mat.copyTo(mat);
|
|
return;
|
|
}
|
|
Ptr<CvSparseMat> m((CvSparseMat*)cvRead((CvFileStorage*)node.fs, (CvFileNode*)*node));
|
|
CV_Assert(CV_IS_SPARSE_MAT(m));
|
|
m->copyToSparseMat(mat);
|
|
}
|
|
|
|
void write(FileStorage& fs, const String& objname, const std::vector<KeyPoint>& keypoints)
|
|
{
|
|
cv::internal::WriteStructContext ws(fs, objname, CV_NODE_SEQ + CV_NODE_FLOW);
|
|
|
|
int i, npoints = (int)keypoints.size();
|
|
for( i = 0; i < npoints; i++ )
|
|
{
|
|
const KeyPoint& kpt = keypoints[i];
|
|
cv::write(fs, kpt.pt.x);
|
|
cv::write(fs, kpt.pt.y);
|
|
cv::write(fs, kpt.size);
|
|
cv::write(fs, kpt.angle);
|
|
cv::write(fs, kpt.response);
|
|
cv::write(fs, kpt.octave);
|
|
cv::write(fs, kpt.class_id);
|
|
}
|
|
}
|
|
|
|
|
|
void read(const FileNode& node, std::vector<KeyPoint>& keypoints)
|
|
{
|
|
keypoints.resize(0);
|
|
FileNodeIterator it = node.begin(), it_end = node.end();
|
|
for( ; it != it_end; )
|
|
{
|
|
KeyPoint kpt;
|
|
it >> kpt.pt.x >> kpt.pt.y >> kpt.size >> kpt.angle >> kpt.response >> kpt.octave >> kpt.class_id;
|
|
keypoints.push_back(kpt);
|
|
}
|
|
}
|
|
|
|
|
|
void write(FileStorage& fs, const String& objname, const std::vector<DMatch>& matches)
|
|
{
|
|
cv::internal::WriteStructContext ws(fs, objname, CV_NODE_SEQ + CV_NODE_FLOW);
|
|
|
|
int i, n = (int)matches.size();
|
|
for( i = 0; i < n; i++ )
|
|
{
|
|
const DMatch& m = matches[i];
|
|
cv::write(fs, m.queryIdx);
|
|
cv::write(fs, m.trainIdx);
|
|
cv::write(fs, m.imgIdx);
|
|
cv::write(fs, m.distance);
|
|
}
|
|
}
|
|
|
|
void read(const FileNode& node, std::vector<DMatch>& matches)
|
|
{
|
|
matches.resize(0);
|
|
FileNodeIterator it = node.begin(), it_end = node.end();
|
|
for( ; it != it_end; )
|
|
{
|
|
DMatch m;
|
|
it >> m.queryIdx >> m.trainIdx >> m.imgIdx >> m.distance;
|
|
matches.push_back(m);
|
|
}
|
|
}
|
|
|
|
|
|
int FileNode::type() const { return !node ? NONE : (node->tag & TYPE_MASK); }
|
|
bool FileNode::isNamed() const { return !node ? false : (node->tag & NAMED) != 0; }
|
|
|
|
size_t FileNode::size() const
|
|
{
|
|
int t = type();
|
|
return t == MAP ? (size_t)((CvSet*)node->data.map)->active_count :
|
|
t == SEQ ? (size_t)node->data.seq->total : (size_t)!isNone();
|
|
}
|
|
|
|
void read(const FileNode& node, int& value, int default_value)
|
|
{
|
|
value = !node.node ? default_value :
|
|
CV_NODE_IS_INT(node.node->tag) ? node.node->data.i :
|
|
CV_NODE_IS_REAL(node.node->tag) ? cvRound(node.node->data.f) : 0x7fffffff;
|
|
}
|
|
|
|
void read(const FileNode& node, float& value, float default_value)
|
|
{
|
|
value = !node.node ? default_value :
|
|
CV_NODE_IS_INT(node.node->tag) ? (float)node.node->data.i :
|
|
CV_NODE_IS_REAL(node.node->tag) ? (float)node.node->data.f : 1e30f;
|
|
}
|
|
|
|
void read(const FileNode& node, double& value, double default_value)
|
|
{
|
|
value = !node.node ? default_value :
|
|
CV_NODE_IS_INT(node.node->tag) ? (double)node.node->data.i :
|
|
CV_NODE_IS_REAL(node.node->tag) ? node.node->data.f : 1e300;
|
|
}
|
|
|
|
void read(const FileNode& node, String& value, const String& default_value)
|
|
{
|
|
value = !node.node ? default_value : CV_NODE_IS_STRING(node.node->tag) ? String(node.node->data.str.ptr) : String();
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/****************************************************************************
|
|
* Newly added for Base64
|
|
*
|
|
*
|
|
***************************************************************************/
|
|
|
|
|
|
/****************************************************************************
|
|
* constant
|
|
***************************************************************************/
|
|
|
|
#if CHAR_BIT != 8
|
|
#error "`char` should be 8 bit."
|
|
#endif
|
|
|
|
base64::uint8_t const base64::base64_mapping[] =
|
|
"ABCDEFGHIJKLMNOPQRSTUVWXYZ"
|
|
"abcdefghijklmnopqrstuvwxyz"
|
|
"0123456789+/";
|
|
|
|
base64::uint8_t const base64::base64_padding = '=';
|
|
|
|
base64::uint8_t const base64::base64_demapping[] = {
|
|
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
|
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
|
0, 0, 0, 62, 0, 0, 0, 63, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 0, 0,
|
|
0, 0, 0, 0, 0, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
|
|
15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 0, 0, 0, 0, 0, 0, 26, 27, 28,
|
|
29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48,
|
|
49, 50, 51, 0, 0, 0, 0,
|
|
};
|
|
|
|
/* `base64_demapping` above is generated in this way:
|
|
* `````````````````````````````````````````````````````````````````````
|
|
* std::string mapping((const char *)base64_mapping);
|
|
* for (auto ch = 0; ch < 127; ch++) {
|
|
* auto i = mapping.find(ch);
|
|
* printf("%3u, ", (i != std::string::npos ? i : 0));
|
|
* }
|
|
* putchar('\n');
|
|
* `````````````````````````````````````````````````````````````````````
|
|
*/
|
|
|
|
/****************************************************************************
|
|
* function
|
|
***************************************************************************/
|
|
|
|
size_t base64::base64_encode(uint8_t const * src, uint8_t * dst, size_t off, size_t cnt)
|
|
{
|
|
if (!src || !dst || !cnt)
|
|
return 0;
|
|
|
|
/* initialize beginning and end */
|
|
uint8_t * dst_beg = dst;
|
|
uint8_t * dst_cur = dst_beg;
|
|
|
|
uint8_t const * src_beg = src + off;
|
|
uint8_t const * src_cur = src_beg;
|
|
uint8_t const * src_end = src_cur + cnt / 3U * 3U;
|
|
|
|
/* integer multiples part */
|
|
while (src_cur < src_end) {
|
|
uint8_t _2 = *src_cur++;
|
|
uint8_t _1 = *src_cur++;
|
|
uint8_t _0 = *src_cur++;
|
|
*dst_cur++ = base64_mapping[ _2 >> 2U];
|
|
*dst_cur++ = base64_mapping[(_1 & 0xF0U) >> 4U | (_2 & 0x03U) << 4U];
|
|
*dst_cur++ = base64_mapping[(_0 & 0xC0U) >> 6U | (_1 & 0x0FU) << 2U];
|
|
*dst_cur++ = base64_mapping[ _0 & 0x3FU];
|
|
}
|
|
|
|
/* remainder part */
|
|
size_t rst = src_beg + cnt - src_cur;
|
|
if (rst == 1U) {
|
|
uint8_t _2 = *src_cur++;
|
|
*dst_cur++ = base64_mapping[ _2 >> 2U];
|
|
*dst_cur++ = base64_mapping[(_2 & 0x03U) << 4U];
|
|
} else if (rst == 2U) {
|
|
uint8_t _2 = *src_cur++;
|
|
uint8_t _1 = *src_cur++;
|
|
*dst_cur++ = base64_mapping[ _2 >> 2U];
|
|
*dst_cur++ = base64_mapping[(_2 & 0x03U) << 4U | (_1 & 0xF0U) >> 4U];
|
|
*dst_cur++ = base64_mapping[(_1 & 0x0FU) << 2U];
|
|
}
|
|
|
|
/* padding */
|
|
switch (rst)
|
|
{
|
|
case 1U: *dst_cur++ = base64_padding;
|
|
case 2U: *dst_cur++ = base64_padding;
|
|
default: *dst_cur = 0;
|
|
break;
|
|
}
|
|
|
|
return static_cast<size_t>(dst_cur - dst_beg);
|
|
}
|
|
|
|
size_t base64::base64_encode(char const * src, char * dst, size_t off, size_t cnt)
|
|
{
|
|
if (cnt == 0U)
|
|
cnt = std::strlen(src);
|
|
|
|
return base64_encode
|
|
(
|
|
reinterpret_cast<uint8_t const *>(src),
|
|
reinterpret_cast<uint8_t *>(dst),
|
|
off,
|
|
cnt
|
|
);
|
|
}
|
|
|
|
size_t base64::base64_decode(uint8_t const * src, uint8_t * dst, size_t off, size_t cnt)
|
|
{
|
|
/* check parameters */
|
|
if (!src || !dst || !cnt)
|
|
return 0U;
|
|
if (cnt & 0x3U)
|
|
return 0U;
|
|
|
|
/* initialize beginning and end */
|
|
uint8_t * dst_beg = dst;
|
|
uint8_t * dst_cur = dst_beg;
|
|
|
|
uint8_t const * src_beg = src + off;
|
|
uint8_t const * src_cur = src_beg;
|
|
uint8_t const * src_end = src_cur + cnt;
|
|
|
|
/* start decoding */
|
|
while (src_cur < src_end) {
|
|
uint8_t d50 = base64_demapping[*src_cur++];
|
|
uint8_t c50 = base64_demapping[*src_cur++];
|
|
uint8_t b50 = base64_demapping[*src_cur++];
|
|
uint8_t a50 = base64_demapping[*src_cur++];
|
|
|
|
uint8_t b10 = b50 & 0x03U;
|
|
uint8_t b52 = b50 & 0x3CU;
|
|
uint8_t c30 = c50 & 0x0FU;
|
|
uint8_t c54 = c50 & 0x30U;
|
|
|
|
*dst_cur++ = (d50 << 2U) | (c54 >> 4U);
|
|
*dst_cur++ = (c30 << 4U) | (b52 >> 2U);
|
|
*dst_cur++ = (b10 << 6U) | (a50 >> 0U);
|
|
}
|
|
|
|
*dst_cur = 0;
|
|
return size_t(dst_cur - dst_beg);
|
|
}
|
|
|
|
size_t base64::base64_decode(char const * src, char * dst, size_t off, size_t cnt)
|
|
{
|
|
if (cnt == 0U)
|
|
cnt = std::strlen(src);
|
|
|
|
return base64_decode
|
|
(
|
|
reinterpret_cast<uint8_t const *>(src),
|
|
reinterpret_cast<uint8_t *>(dst),
|
|
off,
|
|
cnt
|
|
);
|
|
}
|
|
|
|
bool base64::base64_valid(uint8_t const * src, size_t off, size_t cnt)
|
|
{
|
|
/* check parameters */
|
|
if (src == 0 || src + off == 0)
|
|
return false;
|
|
if (cnt == 0U)
|
|
cnt = std::strlen(reinterpret_cast<char const *>(src));
|
|
if (cnt == 0U)
|
|
return false;
|
|
if (cnt & 0x3U)
|
|
return false;
|
|
|
|
/* initialize beginning and end */
|
|
uint8_t const * beg = src + off;
|
|
uint8_t const * end = beg + cnt;
|
|
|
|
/* skip padding */
|
|
if (*(end - 1U) == base64_padding) {
|
|
end--;
|
|
if (*(end - 1U) == base64_padding)
|
|
end--;
|
|
}
|
|
|
|
/* find illegal characters */
|
|
for (uint8_t const * iter = beg; iter < end; iter++)
|
|
if (*iter > 126U || (!base64_demapping[(uint8_t)*iter] && *iter != base64_mapping[0]))
|
|
return false;
|
|
|
|
return true;
|
|
}
|
|
|
|
bool base64::base64_valid(char const * src, size_t off, size_t cnt)
|
|
{
|
|
if (cnt == 0U)
|
|
cnt = std::strlen(src);
|
|
|
|
return base64_valid(reinterpret_cast<uint8_t const *>(src), off, cnt);
|
|
}
|
|
|
|
size_t base64::base64_encode_buffer_size(size_t cnt, bool is_end_with_zero)
|
|
{
|
|
size_t additional = static_cast<size_t>(is_end_with_zero == true);
|
|
return (cnt + 2U) / 3U * 4U + additional;
|
|
}
|
|
|
|
size_t base64::base64_decode_buffer_size(size_t cnt, bool is_end_with_zero)
|
|
{
|
|
size_t additional = static_cast<size_t>(is_end_with_zero == true);
|
|
return cnt / 4U * 3U + additional;
|
|
}
|
|
|
|
size_t base64::base64_decode_buffer_size(size_t cnt, char const * src, bool is_end_with_zero)
|
|
{
|
|
return base64_decode_buffer_size(cnt, reinterpret_cast<uchar const *>(src), is_end_with_zero);
|
|
}
|
|
|
|
size_t base64::base64_decode_buffer_size(size_t cnt, uchar const * src, bool is_end_with_zero)
|
|
{
|
|
size_t padding_cnt = 0U;
|
|
for (uchar const * ptr = src + cnt - 1U; *ptr == base64_padding; ptr--)
|
|
padding_cnt ++;
|
|
return base64_decode_buffer_size(cnt, is_end_with_zero) - padding_cnt;
|
|
}
|
|
|
|
/****************************************************************************
|
|
* to_binary && binary_to
|
|
***************************************************************************/
|
|
|
|
template<typename _uint_t> inline size_t base64::
|
|
to_binary(_uint_t val, uchar * cur)
|
|
{
|
|
size_t delta = CHAR_BIT;
|
|
size_t cnt = sizeof(_uint_t);
|
|
while (cnt --> static_cast<size_t>(0U)) {
|
|
*cur++ = static_cast<uchar>(val);
|
|
val >>= delta;
|
|
}
|
|
return sizeof(_uint_t);
|
|
}
|
|
|
|
template<> inline size_t base64::to_binary(double val, uchar * cur)
|
|
{
|
|
Cv64suf bit64;
|
|
bit64.f = val;
|
|
return to_binary(bit64.u, cur);
|
|
}
|
|
|
|
template<> inline size_t base64::to_binary(float val, uchar * cur)
|
|
{
|
|
Cv32suf bit32;
|
|
bit32.f = val;
|
|
return to_binary(bit32.u, cur);
|
|
}
|
|
|
|
template<typename _primitive_t> inline size_t base64::
|
|
to_binary(uchar const * val, uchar * cur)
|
|
{
|
|
return to_binary<_primitive_t>(*reinterpret_cast<_primitive_t const *>(val), cur);
|
|
}
|
|
|
|
|
|
template<typename _uint_t> inline size_t base64::
|
|
binary_to(uchar const * cur, _uint_t & val)
|
|
{
|
|
val = static_cast<_uint_t>(0);
|
|
for (size_t i = static_cast<size_t>(0U); i < sizeof(_uint_t); i++)
|
|
val |= (static_cast<_uint_t>(*cur++) << (i * CHAR_BIT));
|
|
return sizeof(_uint_t);
|
|
}
|
|
|
|
template<> inline size_t base64::binary_to(uchar const * cur, double & val)
|
|
{
|
|
Cv64suf bit64;
|
|
binary_to(cur, bit64.u);
|
|
val = bit64.f;
|
|
return sizeof(val);
|
|
}
|
|
|
|
template<> inline size_t base64::binary_to(uchar const * cur, float & val)
|
|
{
|
|
Cv32suf bit32;
|
|
binary_to(cur, bit32.u);
|
|
val = bit32.f;
|
|
return sizeof(val);
|
|
}
|
|
|
|
template<typename _primitive_t> inline size_t base64::
|
|
binary_to(uchar const * cur, uchar * val)
|
|
{
|
|
return binary_to<_primitive_t>(cur, *reinterpret_cast<_primitive_t *>(val));
|
|
}
|
|
|
|
/****************************************************************************
|
|
* others
|
|
***************************************************************************/
|
|
|
|
std::string base64::make_base64_header(const char * dt)
|
|
{
|
|
std::ostringstream oss;
|
|
oss << dt << ' ';
|
|
std::string buffer(oss.str());
|
|
CV_Assert(buffer.size() < HEADER_SIZE);
|
|
|
|
buffer.reserve(HEADER_SIZE);
|
|
while (buffer.size() < HEADER_SIZE)
|
|
buffer += ' ';
|
|
|
|
return buffer;
|
|
}
|
|
|
|
bool base64::read_base64_header(std::vector<char> const & header, std::string & dt)
|
|
{
|
|
std::istringstream iss(header.data());
|
|
return static_cast<bool>(iss >> dt);
|
|
}
|
|
|
|
/****************************************************************************
|
|
* Parser
|
|
***************************************************************************/
|
|
|
|
base64::Base64ContextParser::Base64ContextParser(uchar * buffer, size_t size)
|
|
: dst_cur(buffer)
|
|
, dst_end(buffer + size)
|
|
, base64_buffer(BUFFER_LEN)
|
|
, src_beg(0)
|
|
, src_cur(0)
|
|
, src_end(0)
|
|
, binary_buffer(base64_encode_buffer_size(BUFFER_LEN))
|
|
{
|
|
src_beg = binary_buffer.data();
|
|
src_cur = src_beg;
|
|
src_end = src_beg + BUFFER_LEN;
|
|
}
|
|
|
|
base64::Base64ContextParser::~Base64ContextParser()
|
|
{
|
|
/* encode the rest binary data to base64 buffer */
|
|
if (src_cur != src_beg)
|
|
flush();
|
|
}
|
|
|
|
base64::Base64ContextParser & base64::Base64ContextParser::
|
|
read(const uchar * beg, const uchar * end)
|
|
{
|
|
if (beg >= end)
|
|
return *this;
|
|
|
|
while (beg < end) {
|
|
/* collect binary data and copy to binary buffer */
|
|
size_t len = std::min(end - beg, src_end - src_cur);
|
|
std::memcpy(src_cur, beg, len);
|
|
beg += len;
|
|
src_cur += len;
|
|
|
|
if (src_cur >= src_end) {
|
|
/* binary buffer is full. */
|
|
/* decode it send result to dst */
|
|
|
|
CV_Assert(flush()); /* check for base64_valid */
|
|
}
|
|
}
|
|
|
|
return *this;
|
|
}
|
|
|
|
bool base64::Base64ContextParser::flush()
|
|
{
|
|
if ( !base64_valid(src_beg, 0U, src_cur - src_beg) )
|
|
return false;
|
|
|
|
if ( src_cur == src_beg )
|
|
return true;
|
|
|
|
uchar * buffer = binary_buffer.data();
|
|
size_t len = base64_decode(src_beg, buffer, 0U, src_cur - src_beg);
|
|
src_cur = src_beg;
|
|
|
|
/* unexpected error */
|
|
CV_Assert(len != 0);
|
|
|
|
/* buffer is full */
|
|
CV_Assert(dst_cur + len < dst_end);
|
|
|
|
if (dst_cur + len < dst_end) {
|
|
/* send data to dst */
|
|
std::memcpy(dst_cur, buffer, len);
|
|
dst_cur += len;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/****************************************************************************
|
|
* Emitter
|
|
***************************************************************************/
|
|
|
|
/* A decorator for CvFileStorage
|
|
* - no copyable
|
|
* - not safe for now
|
|
* - move constructor may be needed if C++11
|
|
*/
|
|
class base64::Base64ContextEmitter
|
|
{
|
|
public:
|
|
explicit Base64ContextEmitter(CvFileStorage * fs)
|
|
: file_storage(fs)
|
|
, binary_buffer(BUFFER_LEN)
|
|
, base64_buffer(base64_encode_buffer_size(BUFFER_LEN))
|
|
, src_beg(0)
|
|
, src_cur(0)
|
|
, src_end(0)
|
|
{
|
|
src_beg = binary_buffer.data();
|
|
src_end = src_beg + BUFFER_LEN;
|
|
src_cur = src_beg;
|
|
|
|
CV_CHECK_OUTPUT_FILE_STORAGE(fs);
|
|
|
|
if ( fs->fmt == CV_STORAGE_FORMAT_JSON )
|
|
{
|
|
/* clean and break buffer */
|
|
*fs->buffer++ = '\0';
|
|
::icvPuts( fs, fs->buffer_start );
|
|
fs->buffer = fs->buffer_start;
|
|
memset( file_storage->buffer_start, 0, static_cast<int>(file_storage->space) );
|
|
::icvPuts( fs, "\"$base64$" );
|
|
}
|
|
else
|
|
{
|
|
::icvFSFlush(file_storage);
|
|
}
|
|
}
|
|
|
|
~Base64ContextEmitter()
|
|
{
|
|
/* cleaning */
|
|
if (src_cur != src_beg)
|
|
flush(); /* encode the rest binary data to base64 buffer */
|
|
|
|
if ( file_storage->fmt == CV_STORAGE_FORMAT_JSON )
|
|
{
|
|
/* clean and break buffer */
|
|
::icvPuts(file_storage, "\"");
|
|
file_storage->buffer = file_storage->buffer_start;
|
|
::icvFSFlush( file_storage );
|
|
memset( file_storage->buffer_start, 0, static_cast<int>(file_storage->space) );
|
|
file_storage->buffer = file_storage->buffer_start;
|
|
}
|
|
}
|
|
|
|
Base64ContextEmitter & write(const uchar * beg, const uchar * end)
|
|
{
|
|
if (beg >= end)
|
|
return *this;
|
|
|
|
while (beg < end) {
|
|
/* collect binary data and copy to binary buffer */
|
|
size_t len = std::min(end - beg, src_end - src_cur);
|
|
std::memcpy(src_cur, beg, len);
|
|
beg += len;
|
|
src_cur += len;
|
|
|
|
if (src_cur >= src_end) {
|
|
/* binary buffer is full. */
|
|
/* encode it to base64 and send result to fs */
|
|
flush();
|
|
}
|
|
}
|
|
|
|
return *this;
|
|
}
|
|
|
|
/*
|
|
* a convertor must provide :
|
|
* - `operator >> (uchar * & dst)` for writting current binary data to `dst` and moving to next data.
|
|
* - `operator bool` for checking if current loaction is valid and not the end.
|
|
*/
|
|
template<typename _to_binary_convertor_t> inline
|
|
Base64ContextEmitter & write(_to_binary_convertor_t & convertor)
|
|
{
|
|
static const size_t BUFFER_MAX_LEN = 1024U;
|
|
|
|
std::vector<uchar> buffer(BUFFER_MAX_LEN);
|
|
uchar * beg = buffer.data();
|
|
uchar * end = beg;
|
|
|
|
while (convertor) {
|
|
convertor >> end;
|
|
write(beg, end);
|
|
end = beg;
|
|
}
|
|
|
|
return *this;
|
|
}
|
|
|
|
bool flush()
|
|
{
|
|
/* controll line width, so on. */
|
|
size_t len = base64_encode(src_beg, base64_buffer.data(), 0U, src_cur - src_beg);
|
|
if (len == 0U)
|
|
return false;
|
|
|
|
src_cur = src_beg;
|
|
{
|
|
if ( file_storage->fmt == CV_STORAGE_FORMAT_JSON )
|
|
{
|
|
::icvPuts(file_storage, (const char*)base64_buffer.data());
|
|
}
|
|
else
|
|
{
|
|
const char newline[] = "\n";
|
|
char space[80];
|
|
int ident = file_storage->struct_indent;
|
|
memset(space, ' ', static_cast<int>(ident));
|
|
space[ident] = '\0';
|
|
|
|
::icvPuts(file_storage, space);
|
|
::icvPuts(file_storage, (const char*)base64_buffer.data());
|
|
::icvPuts(file_storage, newline);
|
|
::icvFSFlush(file_storage);
|
|
}
|
|
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
private:
|
|
/* because of Base64, we must keep its length a multiple of 3 */
|
|
static const size_t BUFFER_LEN = 48U;
|
|
// static_assert(BUFFER_LEN % 3 == 0, "BUFFER_LEN is invalid");
|
|
|
|
private:
|
|
CvFileStorage * file_storage;
|
|
|
|
std::vector<uchar> binary_buffer;
|
|
std::vector<uchar> base64_buffer;
|
|
uchar * src_beg;
|
|
uchar * src_cur;
|
|
uchar * src_end;
|
|
};
|
|
|
|
|
|
class base64::RawDataToBinaryConvertor
|
|
{
|
|
public:
|
|
|
|
RawDataToBinaryConvertor(const void* src, int len, const char* dt)
|
|
: beg(reinterpret_cast<const uchar *>(src))
|
|
, cur(0)
|
|
, end(0)
|
|
{
|
|
CV_Assert(src);
|
|
CV_Assert(dt);
|
|
CV_Assert(len > 0);
|
|
|
|
/* calc step and to_binary_funcs */
|
|
make_to_binary_funcs(dt);
|
|
|
|
end = beg;
|
|
cur = beg;
|
|
|
|
step = ::icvCalcStructSize(dt, 0);
|
|
end = beg + step * static_cast<size_t>(len);
|
|
}
|
|
|
|
inline RawDataToBinaryConvertor & operator >>(uchar * & dst)
|
|
{
|
|
CV_DbgAssert(*this);
|
|
|
|
for (size_t i = 0U, n = to_binary_funcs.size(); i < n; i++) {
|
|
elem_to_binary_t & pack = to_binary_funcs[i];
|
|
pack.func(cur + pack.offset, dst + pack.offset);
|
|
}
|
|
cur += step;
|
|
dst += step;
|
|
|
|
return *this;
|
|
}
|
|
|
|
inline operator bool() const
|
|
{
|
|
return cur < end;
|
|
}
|
|
|
|
private:
|
|
typedef size_t(*to_binary_t)(const uchar *, uchar *);
|
|
struct elem_to_binary_t
|
|
{
|
|
size_t offset;
|
|
to_binary_t func;
|
|
};
|
|
|
|
private:
|
|
void make_to_binary_funcs(const char* dt)
|
|
{
|
|
size_t cnt = 0;
|
|
size_t offset = 0;
|
|
char type = '\0';
|
|
|
|
std::istringstream iss(dt);
|
|
while (!iss.eof()) {
|
|
if (!(iss >> cnt)) {
|
|
iss.clear();
|
|
cnt = 1;
|
|
}
|
|
CV_Assert(cnt > 0U);
|
|
if (!(iss >> type))
|
|
break;
|
|
|
|
while (cnt-- > 0)
|
|
{
|
|
elem_to_binary_t pack;
|
|
|
|
size_t size = 0;
|
|
switch (type)
|
|
{
|
|
case 'u':
|
|
case 'c':
|
|
size = sizeof(uchar);
|
|
pack.func = to_binary<uchar>;
|
|
break;
|
|
case 'w':
|
|
case 's':
|
|
size = sizeof(ushort);
|
|
pack.func = to_binary<ushort>;
|
|
break;
|
|
case 'i':
|
|
size = sizeof(uint);
|
|
pack.func = to_binary<uint>;
|
|
break;
|
|
case 'f':
|
|
size = sizeof(float);
|
|
pack.func = to_binary<float>;
|
|
break;
|
|
case 'd':
|
|
size = sizeof(double);
|
|
pack.func = to_binary<double>;
|
|
break;
|
|
case 'r':
|
|
default: { CV_Assert(!"type not support"); break; }
|
|
};
|
|
|
|
offset = static_cast<size_t>(cvAlign(static_cast<int>(offset), static_cast<int>(size)));
|
|
pack.offset = offset;
|
|
offset += size;
|
|
|
|
to_binary_funcs.push_back(pack);
|
|
}
|
|
}
|
|
|
|
CV_Assert(iss.eof());
|
|
}
|
|
|
|
private:
|
|
const uchar * beg;
|
|
const uchar * cur;
|
|
const uchar * end;
|
|
|
|
size_t step;
|
|
std::vector<elem_to_binary_t> to_binary_funcs;
|
|
};
|
|
|
|
class base64::BinaryToCvSeqConvertor
|
|
{
|
|
public:
|
|
BinaryToCvSeqConvertor(const void* src, int len, const char* dt)
|
|
: cur(reinterpret_cast<const uchar *>(src))
|
|
, beg(reinterpret_cast<const uchar *>(src))
|
|
, end(reinterpret_cast<const uchar *>(src))
|
|
{
|
|
CV_Assert(src);
|
|
CV_Assert(dt);
|
|
CV_Assert(len >= 0);
|
|
|
|
/* calc binary_to_funcs */
|
|
make_funcs(dt);
|
|
functor_iter = binary_to_funcs.begin();
|
|
|
|
step = ::icvCalcStructSize(dt, 0);
|
|
end = beg + step * static_cast<size_t>(len);
|
|
}
|
|
|
|
inline BinaryToCvSeqConvertor & operator >> (CvFileNode & dst)
|
|
{
|
|
CV_DbgAssert(*this);
|
|
|
|
/* get current data */
|
|
union
|
|
{
|
|
uchar mem[sizeof(double)];
|
|
uchar u;
|
|
char b;
|
|
ushort w;
|
|
short s;
|
|
int i;
|
|
float f;
|
|
double d;
|
|
} buffer; /* for GCC -Wstrict-aliasing */
|
|
std::memset(buffer.mem, 0, sizeof(buffer));
|
|
functor_iter->func(cur + functor_iter->offset, buffer.mem);
|
|
|
|
/* set node::data */
|
|
switch (functor_iter->cv_type)
|
|
{
|
|
case CV_8U : { dst.data.i = cv::saturate_cast<int> (buffer.u); break;}
|
|
case CV_8S : { dst.data.i = cv::saturate_cast<int> (buffer.b); break;}
|
|
case CV_16U: { dst.data.i = cv::saturate_cast<int> (buffer.w); break;}
|
|
case CV_16S: { dst.data.i = cv::saturate_cast<int> (buffer.s); break;}
|
|
case CV_32S: { dst.data.i = cv::saturate_cast<int> (buffer.i); break;}
|
|
case CV_32F: { dst.data.f = cv::saturate_cast<double>(buffer.f); break;}
|
|
case CV_64F: { dst.data.f = cv::saturate_cast<double>(buffer.d); break;}
|
|
default: break;
|
|
}
|
|
|
|
/* set node::tag */
|
|
switch (functor_iter->cv_type)
|
|
{
|
|
case CV_8U :
|
|
case CV_8S :
|
|
case CV_16U:
|
|
case CV_16S:
|
|
case CV_32S: { dst.tag = CV_NODE_INT; /*std::printf("%i,", dst.data.i);*/ break; }
|
|
case CV_32F:
|
|
case CV_64F: { dst.tag = CV_NODE_REAL; /*std::printf("%.1f,", dst.data.f);*/ break; }
|
|
default: break;
|
|
}
|
|
|
|
/* check if end */
|
|
if (++functor_iter == binary_to_funcs.end()) {
|
|
functor_iter = binary_to_funcs.begin();
|
|
cur += step;
|
|
}
|
|
|
|
return *this;
|
|
}
|
|
|
|
inline operator bool() const
|
|
{
|
|
return cur < end;
|
|
}
|
|
|
|
private:
|
|
typedef size_t(*binary_to_t)(uchar const *, uchar *);
|
|
struct binary_to_filenode_t
|
|
{
|
|
size_t cv_type;
|
|
size_t offset;
|
|
binary_to_t func;
|
|
};
|
|
|
|
private:
|
|
void make_funcs(const char* dt)
|
|
{
|
|
size_t cnt = 0;
|
|
char type = '\0';
|
|
size_t offset = 0;
|
|
|
|
std::istringstream iss(dt);
|
|
while (!iss.eof()) {
|
|
if (!(iss >> cnt)) {
|
|
iss.clear();
|
|
cnt = 1;
|
|
}
|
|
CV_Assert(cnt > 0U);
|
|
if (!(iss >> type))
|
|
break;
|
|
|
|
while (cnt-- > 0)
|
|
{
|
|
binary_to_filenode_t pack;
|
|
|
|
/* set func and offset */
|
|
size_t size = 0;
|
|
switch (type)
|
|
{
|
|
case 'u':
|
|
case 'c':
|
|
size = sizeof(uchar);
|
|
pack.func = binary_to<uchar>;
|
|
break;
|
|
case 'w':
|
|
case 's':
|
|
size = sizeof(ushort);
|
|
pack.func = binary_to<ushort>;
|
|
break;
|
|
case 'i':
|
|
size = sizeof(uint);
|
|
pack.func = binary_to<uint>;
|
|
break;
|
|
case 'f':
|
|
size = sizeof(float);
|
|
pack.func = binary_to<float>;
|
|
break;
|
|
case 'd':
|
|
size = sizeof(double);
|
|
pack.func = binary_to<double>;
|
|
break;
|
|
case 'r':
|
|
default: { CV_Assert(!"type not support"); break; }
|
|
}; // need a better way for outputting error.
|
|
|
|
offset = static_cast<size_t>(cvAlign(static_cast<int>(offset), static_cast<int>(size)));
|
|
pack.offset = offset;
|
|
offset += size;
|
|
|
|
/* set type */
|
|
switch (type)
|
|
{
|
|
case 'u': { pack.cv_type = CV_8U ; break; }
|
|
case 'c': { pack.cv_type = CV_8S ; break; }
|
|
case 'w': { pack.cv_type = CV_16U; break; }
|
|
case 's': { pack.cv_type = CV_16S; break; }
|
|
case 'i': { pack.cv_type = CV_32S; break; }
|
|
case 'f': { pack.cv_type = CV_32F; break; }
|
|
case 'd': { pack.cv_type = CV_64F; break; }
|
|
case 'r':
|
|
default: { CV_Assert(!"type is not support"); break; }
|
|
} // need a better way for outputting error.
|
|
|
|
binary_to_funcs.push_back(pack);
|
|
}
|
|
}
|
|
|
|
CV_Assert(iss.eof());
|
|
CV_Assert(binary_to_funcs.size());
|
|
}
|
|
|
|
private:
|
|
|
|
const uchar * cur;
|
|
const uchar * beg;
|
|
const uchar * end;
|
|
|
|
size_t step;
|
|
std::vector<binary_to_filenode_t> binary_to_funcs;
|
|
std::vector<binary_to_filenode_t>::iterator functor_iter;
|
|
};
|
|
|
|
|
|
|
|
/****************************************************************************
|
|
* Wapper
|
|
***************************************************************************/
|
|
|
|
|
|
base64::Base64Writer::Base64Writer(::CvFileStorage * fs)
|
|
: emitter(new Base64ContextEmitter(fs))
|
|
, data_type_string()
|
|
{
|
|
CV_CHECK_OUTPUT_FILE_STORAGE(fs);
|
|
}
|
|
|
|
void base64::Base64Writer::write(const void* _data, size_t len, const char* dt)
|
|
{
|
|
check_dt(dt);
|
|
|
|
RawDataToBinaryConvertor convertor(
|
|
_data, static_cast<int>(len), data_type_string.c_str()
|
|
);
|
|
emitter->write(convertor);
|
|
}
|
|
|
|
template<typename _to_binary_convertor_t> inline
|
|
void base64::Base64Writer::write(_to_binary_convertor_t & convertor, const char* dt)
|
|
{
|
|
check_dt(dt);
|
|
emitter->write(convertor);
|
|
}
|
|
|
|
base64::Base64Writer::~Base64Writer()
|
|
{
|
|
delete emitter;
|
|
}
|
|
|
|
void base64::Base64Writer::check_dt(const char* dt)
|
|
{
|
|
if ( dt == 0 )
|
|
CV_Error( CV_StsBadArg, "Invalid \'dt\'." );
|
|
else if (data_type_string.empty()) {
|
|
data_type_string = dt;
|
|
|
|
/* output header */
|
|
std::string buffer = make_base64_header(dt);
|
|
const uchar * beg = reinterpret_cast<const uchar *>(buffer.data());
|
|
const uchar * end = beg + buffer.size();
|
|
|
|
emitter->write(beg, end);
|
|
} else if ( data_type_string != dt )
|
|
CV_Error( CV_StsBadArg, "\'dt\' does not match." );
|
|
}
|
|
|
|
|
|
void base64::make_seq(void * binary, int elem_cnt, const char * dt, ::CvSeq & seq)
|
|
{
|
|
::CvFileNode node;
|
|
node.info = 0;
|
|
BinaryToCvSeqConvertor convertor(binary, elem_cnt, dt);
|
|
while (convertor) {
|
|
convertor >> node;
|
|
cvSeqPush(&seq, &node);
|
|
}
|
|
}
|
|
|
|
void base64::cvWriteRawDataBase64(::CvFileStorage* fs, const void* _data, int len, const char* dt)
|
|
{
|
|
CV_Assert(fs);
|
|
CV_CHECK_OUTPUT_FILE_STORAGE(fs);
|
|
|
|
check_if_write_struct_is_delayed( fs, true );
|
|
|
|
if ( fs->state_of_writing_base64 == base64::fs::Uncertain )
|
|
{
|
|
switch_to_Base64_state( fs, base64::fs::InUse );
|
|
}
|
|
else if ( fs->state_of_writing_base64 != base64::fs::InUse )
|
|
{
|
|
CV_Error( CV_StsError, "Base64 should not be used at present." );
|
|
}
|
|
|
|
fs->base64_writer->write(_data, len, dt);
|
|
}
|
|
|
|
/****************************************************************************
|
|
* Interface
|
|
***************************************************************************/
|
|
|
|
CV_IMPL void cvWriteRawDataBase64(::CvFileStorage* fs, const void* _data, int len, const char* dt)
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{
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::base64::cvWriteRawDataBase64(fs, _data, len, dt);
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}
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/* End of file. */
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