/*
TiMidity++ -- MIDI to WAVE converter and player
Copyright (C) 1999-2002 Masanao Izumo <mo@goice.co.jp>
Copyright (C) 1995 Tuukka Toivonen <tt@cgs.fi>
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 2 of the License, 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef ___LIBARC_H_
#define ___LIBARC_H_
/* Archive library */
#include "url.h"
#include "mblock.h"
#define ARC_LIB_VERSION "2.0.1"
#define ARC_DEFLATE_LEVEL 6 /* 1:Compress faster .. 9:Compress better */
#define ARC_ENTRY_HASHSIZE 63
/*
* Interfaces
*/
extern char **expand_archive_names(int *nfiles_in_out, char **files);
/* Regist all archive files in `files_in_out', and expand the archive */
extern URL url_arc_open(char *name);
/* Open input stream from archive. `name' format must be "filename#entry".
*/
extern void free_archive_files(void);
/* Call once at the last */
/* utilities */
extern int skip_gzip_header(URL url);
extern int parse_gzip_header_bytes(char *gz, long maxparse, int *hdrsiz);
extern int get_archive_type(char *archive_name);
extern void *arc_compress(void *buff, long bufsiz,
int compress_level, long *compressed_size);
extern void *arc_decompress(void *buff, long bufsiz, long *decompressed_size);
extern int arc_case_wildmat(char *text, char *p);
extern int arc_wildmat(char *text, char *p);
extern void (* arc_error_handler)(char *error_message);
/*
* Internal library usage only
*/
typedef struct _ArchiveEntryNode
{
struct _ArchiveEntryNode *next; /* next entry */
char *name; /* Name of this entry */
int comptype; /* Compression/Encoding type */
long compsize; /* Compressed size */
long origsize; /* Uncompressed size */
long start; /* Offset start point */
void *cache; /* Cached data */
} ArchiveEntryNode;
typedef struct _ArchiveHandler {
int isfile;
URL url; /* Input stream */
int counter;/* counter to extract the entry*/
long pos;
} ArchiveHandler;
extern ArchiveHandler arc_handler;
extern ArchiveEntryNode *arc_parse_entry(URL url, int archive_type);
extern ArchiveEntryNode *new_entry_node(char *name, int len);
extern ArchiveEntryNode *next_tar_entry(void);
extern ArchiveEntryNode *next_zip_entry(void);
extern ArchiveEntryNode *next_lzh_entry(void);
extern ArchiveEntryNode *next_mime_entry(void);
extern void free_entry_node(ArchiveEntryNode *entry);
/* Compression/Encoding type */
enum
{
ARCHIVEC_STORED, /* No compression */
ARCHIVEC_PATHNAME, /* Pathname (Contents exists there) */
ARCHIVEC_COMPRESSED, /* Compressed */
ARCHIVEC_PACKED, /* Packed */
ARCHIVEC_DEFLATED, /* Deflate */
ARCHIVEC_SHRUNKED, /* Shrunked */
ARCHIVEC_REDUCED1, /* Reduced with compression factor 1 */
ARCHIVEC_REDUCED2, /* Reduced with compression factor 2 */
ARCHIVEC_REDUCED3, /* Reduced with compression factor 3 */
ARCHIVEC_REDUCED4, /* Reduced with compression factor 4 */
ARCHIVEC_IMPLODED, /* Implode base-tag */
ARCHIVEC_IMPLODED_LIT8, /* 8K sliding window (coded) */
ARCHIVEC_IMPLODED_LIT4, /* 4K sliding window (coded) */
ARCHIVEC_IMPLODED_NOLIT8, /* 8K sliding window (uncoded) */
ARCHIVEC_IMPLODED_NOLIT4, /* 4K sliding window (uncoded) */
ARCHIVEC_LZHED, /* LZH base-tag */
ARCHIVEC_LZHED_LH0, /* -lh0- (ARCHIVE_STORED) */
ARCHIVEC_LZHED_LH1, /* -lh1- */
ARCHIVEC_LZHED_LH2, /* -lh2- */
ARCHIVEC_LZHED_LH3, /* -lh3- */
ARCHIVEC_LZHED_LH4, /* -lh4- */
ARCHIVEC_LZHED_LH5, /* -lh5- */
ARCHIVEC_LZHED_LZS, /* -lzs- */
ARCHIVEC_LZHED_LZ5, /* -lz5- */
ARCHIVEC_LZHED_LZ4, /* -lz4- (ARCHIVE_STORED) */
ARCHIVEC_LZHED_LHD, /* -lhd- (Directory, No compression data) */
ARCHIVEC_LZHED_LH6, /* -lh6- */
ARCHIVEC_LZHED_LH7, /* -lh7- */
/* Encode for MIME */
ARCHIVEC_UU, /* uu encoded */
ARCHIVEC_B64, /* base64 encoded */
ARCHIVEC_QS, /* quoted string encoded */
ARCHIVEC_HQX /* HQX encoded */
};
/* archive_type */
enum
{
ARCHIVE_TAR,
ARCHIVE_TGZ,
ARCHIVE_ZIP,
ARCHIVE_LZH,
ARCHIVE_DIR,
ARCHIVE_MIME,
ARCHIVE_NEWSGROUP
};
#endif /* ___LIBARC_H_ */