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git-svn-id: https://tesseract-ocr.googlecode.com/svn/trunk/trunk@2 d0cd1f9f-072b-0410-8dd7-cf729c803f20
96 lines
3.9 KiB
C
96 lines
3.9 KiB
C
/**********************************************************************
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* File: serialis.h (Formerly serialmac.h)
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* Description: Inline routines and macros for serialisation functions
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* Author: Phil Cheatle
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* Created: Tue Oct 08 08:33:12 BST 1991
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*
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* (C) Copyright 1990, Hewlett-Packard Ltd.
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** Licensed under the Apache License, Version 2.0 (the "License");
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** you may not use this file except in compliance with the License.
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** You may obtain a copy of the License at
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** http://www.apache.org/licenses/LICENSE-2.0
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** Unless required by applicable law or agreed to in writing, software
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** distributed under the License is distributed on an "AS IS" BASIS,
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** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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** See the License for the specific language governing permissions and
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** limitations under the License.
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*
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**********************************************************************/
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#ifndef SERIALIS_H
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#define SERIALIS_H
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#include <stdlib.h>
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#include <string.h>
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#include <stdio.h>
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#include "memry.h"
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#include "errcode.h"
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#include "fileerr.h"
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/* **************************************************************************
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These are the only routines that write/read data to/from the serialisation.
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"serialise_bytes" and "de_serialise_bytes" are used to serialise NON class
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items. The "make_serialise" macro generates "serialise" and "de_serialise"
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member functions for the class name specified in the macro parameter.
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************************************************************************** */
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extern DLLSYM void *de_serialise_bytes(FILE *f, int size);
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extern DLLSYM void serialise_bytes(FILE *f, void *ptr, int size);
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extern DLLSYM void serialise_INT32(FILE *f, INT32 the_int);
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extern DLLSYM INT32 de_serialise_INT32(FILE *f);
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extern DLLSYM void serialise_FLOAT64(FILE *f, double the_float);
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extern DLLSYM double de_serialise_FLOAT64(FILE *f);
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extern DLLSYM UINT32 reverse32( //switch endian
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UINT32 num //number to fix
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);
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extern DLLSYM UINT16 reverse16( //switch endian
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UINT16 num //number to fix
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);
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/***********************************************************************
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QUOTE_IT MACRO DEFINITION
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===========================
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Replace <parm> with "<parm>". <parm> may be an arbitrary number of tokens
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***********************************************************************/
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#define QUOTE_IT( parm ) #parm
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#define make_serialise( CLASSNAME ) \
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\
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NEWDELETE2(CLASSNAME) \
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\
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void serialise( \
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FILE* f) \
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{ \
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CLASSNAME* shallow_copy; \
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\
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shallow_copy = (CLASSNAME*) alloc_struct( sizeof( *this ) ); \
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memmove( shallow_copy, this, sizeof( *this ) ); \
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\
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shallow_copy->prep_serialise(); \
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if (fwrite( (char*) shallow_copy, sizeof( *shallow_copy ), 1, f ) != 1)\
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WRITEFAILED.error( QUOTE_IT( CLASSNAME::serialise ), \
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ABORT, NULL ); \
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\
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free_struct( shallow_copy, sizeof( *this ) ); \
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this->dump( f ); \
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} \
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\
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static CLASSNAME* de_serialise( \
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FILE* f) \
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{ \
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CLASSNAME* restored; \
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\
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restored = (CLASSNAME*) alloc_struct( sizeof( CLASSNAME ) ); \
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if (fread( (char*) restored, sizeof( CLASSNAME ), 1, f ) != 1) \
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READFAILED.error( QUOTE_IT( CLASSNAME::de_serialise ), \
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ABORT, NULL ); \
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\
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restored->de_dump( f ); \
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return restored; \
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}
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#endif
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