143 lines
4.4 KiB
C
143 lines
4.4 KiB
C
/*
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cole - A free C OLE library.
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Copyright 1998, 1999 Roberto Arturo Tena Sanchez
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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/*
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Arturo Tena <arturo@directmail.org>
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*/
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#ifndef COLE_INTERNAL_H
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#define COLE_INTERNAL_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <stdio.h>
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#ifndef COLE_SUPPORT_H
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#include "support.h"
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#endif
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#if defined(WIN32)
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#define TMPNAM_LEN L_tmpnam
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#else
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#define TMPNAM_LEN 18 /* /tmp/xlHtmlXXXXXX + NULL */
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#endif
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/* This structure describe one stream. */
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struct pps_block
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{
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char name[0x20];
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char filename[TMPNAM_LEN]; /* valid only if type == 2 */
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U8 type; /* 5 == root, 1 == dir, 2 == file */
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U32 size; /* the size of the file,
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valid only if type == 2 */
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U32 next; /* next entry in this level,
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in this directory */
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U32 dir; /* valid only if type != 2 */
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U16 level; /* level in the ole tree */
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U32 seconds1;
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U32 seconds2;
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U32 days1;
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U32 days2;
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U32 start; /* start block */
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/* private fields, used only inside OLEdecoded and OLEcode,
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don't modify them if you want to use OLEcode */
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U32 previous; /* previous pps, valid before reordering */
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U32 ppsnumber; /* pps number */
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};
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typedef struct pps_block pps_entry;
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/*
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Create a OLE stream tree from a file.
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Input: char *Olefilename = File to be decoded (ie. .xsl, .doc, .ppt).
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. pps_entry ** stream_list = The stream tree.
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. U32 * root = The number of root dir in stream_list.
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. U8 **_BDepot, U8 **_SDepot, FILE **_sbfile, char **_sbfilename,
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. FILE **_input,
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. = Exposes internals, read only.
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. U16 max_level = The maximum level on stream tree in which
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. streams will be actually extracted
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. to a file. 0 (zero) means extract all.
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Output: 0 = Sucess.
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. 4 = Couldn't open OLEfilename file (can use perror).
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. 8 = OLEfilename file seems to contain plain text, not OLE file.
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. 9 = OLEfilename is a binary file, but it have not OLEfile format.
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. 5 = Error reading from file, means OLEfilename file has a faulty
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. OLE file format (UPDATE: not always).
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. 6 = Error removing temporal files. <-- this is never returned now
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. 7 = Error creating temporal files, can use perror.
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. 10 = Error allocating memory, there's no more memory.
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*/
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int __OLEdecode (char *OLEfilename, pps_entry ** stream_list, U32 * root,
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U8 **_BDepot, U8 **_SDepot, FILE **_sbfile, char **_sbfilename,
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FILE **_input, U16 max_level);
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/*
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* FROM COLE 2.0.0 API
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*/
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struct _COLEFS {
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/* This structure is for internal use only, not for the public API */
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pps_entry *tree;
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U32 root; /* entry root, root pps_entry */
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U8 *BDepot;
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U8 *SDepot;
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FILE *sbfile;
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char *sbfilename;
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FILE *file; /* actual file (the filesystem) */
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};
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struct _COLEDIRENT {
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/* This structure is for internal use only, not for the public API */
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U32 entry;
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struct _COLEDIR *dir; /* father */
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};
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struct _COLEDIR {
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/* This structure is for internal use only, not for the public API */
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U32 entry;
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struct _COLEDIRENT visited_entry;
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struct _COLEFS *fs; /* father */
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};
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struct _COLEFILE {
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/* This structure is for internal use only, not for the public API */
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U32 entry;
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FILE *file; /* actual extracted file */
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char *filename; /* actual extracted file's name */
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U32 filesize; /* actual extracted file size */
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struct _COLEFS *fs; /* father */
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U32 pos; /* file pointer position */
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};
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int __cole_extract_file (FILE **file, char **filename, U32 size,
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U32 pps_start, U8 *BDepot, U8 *SDepot, FILE *sbfile,
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FILE *inputfile);
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#define _COLE_TYPE_DIR 1
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#define _COLE_TYPE_FILE 2
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#define _COLE_TYPE_ROOT 5
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#ifdef __cplusplus
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}
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#endif
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#endif /* COLE_INTERNAL_H */
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