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425d593ebe
git-svn-id: https://tesseract-ocr.googlecode.com/svn/trunk/trunk@2 d0cd1f9f-072b-0410-8dd7-cf729c803f20
113 lines
3.5 KiB
C++
113 lines
3.5 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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#include "mfcpch.h" //precompiled headers
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#include "serialis.h"
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#include "scanutils.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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DLLSYM void *de_serialise_bytes(FILE *f, int size) {
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void *ptr;
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ptr = alloc_mem (size);
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/*
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printf( "De_serialising bytes\n" );
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printf( " Addr: %d Size: %d\n", int(ptr), size );
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*/
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if (fread (ptr, size, 1, f) != 1)
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READFAILED.error ("de_serialise_bytes", ABORT, NULL);
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return ptr;
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}
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DLLSYM void serialise_bytes(FILE *f, void *ptr, int size) {
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/*
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printf( "Serialising bytes\n" );
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printf( " Addr: %d Size: %d\n", int(ptr), size );
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*/
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if (fwrite (ptr, size, 1, f) != 1)
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WRITEFAILED.error ("serialise_bytes", ABORT, NULL);
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}
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DLLSYM void serialise_INT32(FILE *f, INT32 the_int) {
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if (fprintf (f, INT32FORMAT "\n", the_int) < 0)
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WRITEFAILED.error ("serialise_INT32", ABORT, NULL);
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}
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DLLSYM INT32 de_serialise_INT32(FILE *f) {
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INT32 the_int;
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if (fscanf (f, INT32FORMAT, &the_int) != 1)
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READFAILED.error ("de_serialise_INT32", ABORT, NULL);
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return the_int;
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}
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DLLSYM void serialise_FLOAT64(FILE *f, double the_float) {
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if (fprintf (f, "%g\n", the_float) < 0)
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WRITEFAILED.error ("serialise_FLOAT64", ABORT, NULL);
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}
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DLLSYM double de_serialise_FLOAT64(FILE *f) {
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double the_float;
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if (fscanf (f, "%lg", &the_float) != 1)
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READFAILED.error ("de_serialise_FLOAT64", ABORT, NULL);
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return the_float;
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}
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/**********************************************************************
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* reverse32
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*
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* Byte swap an INT32 or UINT32.
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**********************************************************************/
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DLLSYM UINT32 reverse32( //switch endian
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UINT32 num //number to fix
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) {
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return (reverse16 ((UINT16) (num & 0xffff)) << 16)
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| reverse16 ((UINT16) ((num >> 16) & 0xffff));
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}
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/**********************************************************************
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* reverse16
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*
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* Byte swap an INT16 or UINT16.
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**********************************************************************/
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DLLSYM UINT16 reverse16( //switch endian
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UINT16 num //number to fix
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) {
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return ((num & 0xff) << 8) | ((num >> 8) & 0xff);
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}
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