goldendict-ng/src/dictzip.hh

117 lines
2.6 KiB
C++

/* Made up from data.h and other supplementary files of dictd-1.0.11 for the
* GoldenDict program.
*/
/* data.h --
* Created: Sat Mar 15 18:04:25 2003 by Aleksey Cheusov <vle@gmx.net>
* Copyright 1994-2003 Rickard E. Faith (faith@dict.org)
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 1, or (at your option) any
* later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Suite 500, Boston, MA 02110, USA.
*/
#ifndef _DICTZIP_H_
#define _DICTZIP_H_
#include <stdio.h>
#include <zlib.h>
#ifdef __WIN32
#include <windows.h>
#endif
#ifdef __cplusplus
extern "C" {
#endif
/* Excerpts from defs.h */
#define DICT_CACHE_SIZE 5
typedef struct dictCache
{
int chunk;
char * inBuffer;
int stamp;
int count;
} dictCache;
enum DZ_ERRORS {
DZ_NOERROR = 0,
DZ_ERR_INTERNAL,
DZ_ERR_OPENFILE,
DZ_ERR_READFILE,
DZ_ERR_UNSUPPORTED_FORMAT,
DZ_ERR_INVALID_FORMAT,
DZ_ERR_NOMEMORY
};
typedef struct dictData
{
#ifdef __WIN32
HANDLE fd; /* file handle */
#else
FILE * fd; /* file descriptor */
#endif
unsigned long size; /* size of file */
int type;
const char * filename;
z_stream zStream;
int initialized;
int headerLength;
int method;
int flags;
time_t mtime;
int extraFlags;
int os;
int version;
int chunkLength;
int chunkCount;
int * chunks;
unsigned long * offsets; /* Sum-scan of chunks. */
const char * origFilename;
const char * comment;
unsigned long crc;
unsigned long length;
unsigned long compressedLength;
int stamp;
dictCache cache[ DICT_CACHE_SIZE ];
char errorString[ 512 ];
} dictData;
/* initialize .data file */
extern dictData * dict_data_open( const char * filename, enum DZ_ERRORS * error, int computeCRC );
/* */
extern void dict_data_close( dictData * data );
extern char * dict_data_read_(
dictData * data, unsigned long start, unsigned long end, const char * preFilter, const char * postFilter );
extern char * dict_error_str( dictData * data );
extern const char * dz_error_str( enum DZ_ERRORS error );
extern int mmap_mode;
#ifdef __cplusplus
} /* end extern "C" */
#endif
#endif /* _DICTZIP_H_ */