1 /* vim: set sw=8: -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
5 * Copyright (C) 2002-2006 Tambet Ingo (tambet@ximian.com)
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of version 2.1 of the GNU Lesser General Public
9 * License as published by the Free Software Foundation.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301
22 #ifndef GSF_ZIP_IMPL_H
23 #define GSF_ZIP_IMPL_H
25 #include <gsf/gsf-outfile-zip.h> /* for GsfZipCompressionMethod */
29 #define ZIP_HEADER_SIZE 30
30 #define ZIP_HEADER_VERSION 4
31 #define ZIP_HEADER_OS 5
32 #define ZIP_HEADER_FLAGS 6
33 #define ZIP_HEADER_COMP_METHOD 8
34 #define ZIP_HEADER_TIME 10
35 #define ZIP_HEADER_CRC 14
36 #define ZIP_HEADER_COMP_SIZE 18
37 #define ZIP_HEADER_UNCOMP_SIZE 22
38 #define ZIP_HEADER_NAME_LEN 26
39 #define ZIP_HEADER_EXTRA_LEN 28
41 #define ZIP_TRAILER_SIZE 22
42 #define ZIP_TRAILER_DISK 4
43 #define ZIP_TRAILER_DIR_DISK 6
44 #define ZIP_TRAILER_ENTRIES 8
45 #define ZIP_TRAILER_TOTAL_ENTRIES 10
46 #define ZIP_TRAILER_DIR_SIZE 12
47 #define ZIP_TRAILER_DIR_POS 16
48 #define ZIP_TRAILER_COMMENT_SIZE 20
50 #define ZIP_DIRENT_SIZE 46
51 #define ZIP_DIRENT_ENCODER 4
52 #define ZIP_DIRENT_EXTRACT 6
53 #define ZIP_DIRENT_FLAGS 8
54 #define ZIP_DIRENT_COMPR_METHOD 10
55 #define ZIP_DIRENT_DOSTIME 12
56 #define ZIP_DIRENT_CRC32 16
57 #define ZIP_DIRENT_CSIZE 20
58 #define ZIP_DIRENT_USIZE 24
59 #define ZIP_DIRENT_NAME_SIZE 28
60 #define ZIP_DIRENT_EXTRAS_SIZE 30
61 #define ZIP_DIRENT_COMMENT_SIZE 32
62 #define ZIP_DIRENT_DISKSTART 34
63 #define ZIP_DIRENT_FILE_TYPE 36
64 #define ZIP_DIRENT_FILE_MODE 38
65 #define ZIP_DIRENT_OFFSET 42
67 #define ZIP_FILE_HEADER_SIZE 30
68 #define ZIP_FILE_HEADER_EXTRACT 4
69 #define ZIP_FILE_HEADER_FLAGS 6
70 #define ZIP_FILE_HEADER_COMPR_METHOD 8
71 #define ZIP_FILE_HEADER_DOSTIME 10
72 #define ZIP_FILE_HEADER_CRC32 14
73 #define ZIP_FILE_HEADER_CSIZE 18
74 #define ZIP_FILE_HEADER_USIZE 22
75 #define ZIP_FILE_HEADER_NAME_SIZE 26
76 #define ZIP_FILE_HEADER_EXTRAS_SIZE 28
78 #define ZIP_NAME_SEPARATOR '/'
80 #define ZIP_BLOCK_SIZE 32768
81 #define ZIP_BUF_SIZE 512
85 #define ZZIP_IS_ENCRYPTED(p) ((*(unsigned char*)p)&1)
86 #define ZZIP_IS_COMPRLEVEL(p) (((*(unsigned char*)p)>>1)&3)
87 #define ZZIP_IS_STREAMED(p) (((*(unsigned char*)p)>>3)&1)
92 GsfZipCompressionMethod compr_method;
97 gsf_off_t data_offset;
103 gboolean is_directory;
104 GsfZipDirent *dirent;
105 GSList *children, *last_child;
108 GsfZipDirent *gsf_zip_dirent_new (void);
109 void gsf_zip_dirent_free (GsfZipDirent *dirent);
111 GsfZipVDir *gsf_vdir_new (char const *name, gboolean is_directory,
112 GsfZipDirent *dirent);
113 void gsf_vdir_free (GsfZipVDir *vdir, gboolean free_dirent);
114 void gsf_vdir_add_child (GsfZipVDir *vdir, GsfZipVDir *child);
118 #endif /* GSF_ZIP_IMPL_H */