2 Copyright (C) 2001-2006, William Joseph.
5 This file is part of GtkRadiant.
7 GtkRadiant is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
12 GtkRadiant is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with GtkRadiant; if not, write to the Free Software
19 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
22 #include "idatastream.h"
24 #include "bytestreamutils.h"
26 #include "modulesystem.h"
30 #include "stream/filestream.h"
31 #include "container/array.h"
32 #include "archivelib.h"
33 #include "zlibstream.h"
35 class DeflatedArchiveFile : public ArchiveFile {
37 FileInputStream m_istream;
38 SubFileInputStream m_substream;
39 DeflatedInputStream m_zipstream;
40 FileInputStream::size_type m_size;
42 typedef FileInputStream::size_type size_type;
43 typedef FileInputStream::position_type position_type;
45 DeflatedArchiveFile(const char *name, const char *archiveName, position_type position, size_type stream_size,
47 : m_name(name), m_istream(archiveName), m_substream(m_istream, position, stream_size),
48 m_zipstream(m_substream), m_size(file_size)
57 size_type size() const
62 const char *getName() const
64 return m_name.c_str();
67 InputStream &getInputStream()
73 class DeflatedArchiveTextFile : public ArchiveTextFile {
75 FileInputStream m_istream;
76 SubFileInputStream m_substream;
77 DeflatedInputStream m_zipstream;
78 BinaryToTextInputStream<DeflatedInputStream> m_textStream;
80 typedef FileInputStream::size_type size_type;
81 typedef FileInputStream::position_type position_type;
83 DeflatedArchiveTextFile(const char *name, const char *archiveName, position_type position, size_type stream_size)
84 : m_name(name), m_istream(archiveName), m_substream(m_istream, position, stream_size),
85 m_zipstream(m_substream), m_textStream(m_zipstream)
94 TextInputStream &getInputStream()
103 #include "string/string.h"
104 #include "fs_filesystem.h"
107 class ZipArchive : public Archive {
110 enum ECompressionMode {
115 ZipRecord(unsigned int position, unsigned int compressed_size, unsigned int uncompressed_size,
116 ECompressionMode mode)
117 : m_position(position), m_stream_size(compressed_size), m_file_size(uncompressed_size), m_mode(mode)
121 unsigned int m_position;
122 unsigned int m_stream_size;
123 unsigned int m_file_size;
124 ECompressionMode m_mode;
127 typedef GenericFileSystem<ZipRecord> ZipFileSystem;
128 ZipFileSystem m_filesystem;
130 FileInputStream m_istream;
135 istream_read_zip_magic(m_istream, magic);
136 if (!(magic == zip_root_dirent_magic)) {
139 zip_version version_encoder;
140 istream_read_zip_version(m_istream, version_encoder);
141 zip_version version_extract;
142 istream_read_zip_version(m_istream, version_extract);
143 //unsigned short flags =
144 istream_read_int16_le(m_istream);
145 unsigned short compression_mode = istream_read_int16_le(m_istream);
146 if (compression_mode != Z_DEFLATED && compression_mode != 0) {
150 istream_read_zip_dostime(m_istream, dostime);
151 //unsigned int crc32 =
152 istream_read_int32_le(m_istream);
153 unsigned int compressed_size = istream_read_uint32_le(m_istream);
154 unsigned int uncompressed_size = istream_read_uint32_le(m_istream);
155 unsigned int namelength = istream_read_uint16_le(m_istream);
156 unsigned short extras = istream_read_uint16_le(m_istream);
157 unsigned short comment = istream_read_uint16_le(m_istream);
158 //unsigned short diskstart =
159 istream_read_int16_le(m_istream);
160 //unsigned short filetype =
161 istream_read_int16_le(m_istream);
162 //unsigned int filemode =
163 istream_read_int32_le(m_istream);
164 unsigned int position = istream_read_int32_le(m_istream);
166 Array<char> filename(namelength + 1);
167 m_istream.read(reinterpret_cast<FileInputStream::byte_type *>( filename.data()), namelength);
168 filename[namelength] = '\0';
170 m_istream.seek(extras + comment, FileInputStream::cur);
172 if (path_is_directory(filename.data())) {
173 m_filesystem[filename.data()] = 0;
175 ZipFileSystem::entry_type &file = m_filesystem[filename.data()];
176 if (!file.is_directory()) {
177 globalOutputStream() << "Warning: zip archive " << makeQuoted(m_name.c_str())
178 << " contains duplicated file: " << makeQuoted(filename.data()) << "\n";
180 file = new ZipRecord(position, compressed_size, uncompressed_size,
181 (compression_mode == Z_DEFLATED) ? ZipRecord::eDeflated : ZipRecord::eStored);
190 SeekableStream::position_type pos = pkzip_find_disk_trailer(m_istream);
192 zip_disk_trailer disk_trailer;
194 istream_read_zip_disk_trailer(m_istream, disk_trailer);
195 if (!(disk_trailer.z_magic == zip_disk_trailer_magic)) {
199 m_istream.seek(disk_trailer.z_rootseek);
200 for (unsigned int i = 0; i < disk_trailer.z_entries; ++i) {
201 if (!read_record()) {
211 ZipArchive(const char *name)
212 : m_name(name), m_istream(name)
214 if (!m_istream.failed()) {
216 globalErrorStream() << "ERROR: invalid zip-file " << makeQuoted(name) << '\n';
223 for (ZipFileSystem::iterator i = m_filesystem.begin(); i != m_filesystem.end(); ++i) {
224 delete i->second.file();
230 return m_istream.failed();
238 ArchiveFile *openFile(const char *name)
240 ZipFileSystem::iterator i = m_filesystem.find(name);
241 if (i != m_filesystem.end() && !i->second.is_directory()) {
242 ZipRecord *file = i->second.file();
244 m_istream.seek(file->m_position);
245 zip_file_header file_header;
246 istream_read_zip_file_header(m_istream, file_header);
247 if (file_header.z_magic != zip_file_header_magic) {
248 globalErrorStream() << "error reading zip file " << makeQuoted(m_name.c_str());
252 switch (file->m_mode) {
253 case ZipRecord::eStored:
254 return StoredArchiveFile::create(name, m_name.c_str(), m_istream.tell(), file->m_stream_size,
256 case ZipRecord::eDeflated:
257 return new DeflatedArchiveFile(name, m_name.c_str(), m_istream.tell(), file->m_stream_size,
264 ArchiveTextFile *openTextFile(const char *name)
266 ZipFileSystem::iterator i = m_filesystem.find(name);
267 if (i != m_filesystem.end() && !i->second.is_directory()) {
268 ZipRecord *file = i->second.file();
270 m_istream.seek(file->m_position);
271 zip_file_header file_header;
272 istream_read_zip_file_header(m_istream, file_header);
273 if (file_header.z_magic != zip_file_header_magic) {
274 globalErrorStream() << "error reading zip file " << makeQuoted(m_name.c_str());
278 switch (file->m_mode) {
279 case ZipRecord::eStored:
280 return StoredArchiveTextFile::create(name, m_name.c_str(), m_istream.tell(), file->m_stream_size);
281 case ZipRecord::eDeflated:
282 return new DeflatedArchiveTextFile(name, m_name.c_str(), m_istream.tell(), file->m_stream_size);
288 bool containsFile(const char *name)
290 ZipFileSystem::iterator i = m_filesystem.find(name);
291 return i != m_filesystem.end() && !i->second.is_directory();
294 void forEachFile(VisitorFunc visitor, const char *root)
296 m_filesystem.traverse(visitor, root);
300 Archive *OpenArchive(const char *name)
302 return new ZipArchive(name);
309 class TestVisitor : public Archive::IVisitor
312 void visit( const char* name ){
318 testzip( "c:/quake3/baseq3/mapmedia.pk3", "textures/radiant/notex.tga" );
321 void testzip( const char* name, const char* filename ){
322 Archive* archive = OpenArchive( name );
323 ArchiveFile* file = archive->openFile( filename );
325 unsigned char buffer[4096];
326 std::size_t count = file->getInputStream().read( (InputStream::byte_type*)buffer, 4096 );
330 archive->forEachFile( Archive::VisitorFunc( &visitor, Archive::eFilesAndDirectories, 0 ), "" );
331 archive->forEachFile( Archive::VisitorFunc( &visitor, Archive::eFilesAndDirectories, 1 ), "" );
332 archive->forEachFile( Archive::VisitorFunc( &visitor, Archive::eFiles, 1 ), "" );
333 archive->forEachFile( Archive::VisitorFunc( &visitor, Archive::eDirectories, 1 ), "" );
334 archive->forEachFile( Archive::VisitorFunc( &visitor, Archive::eFilesAndDirectories, 1 ), "textures" );
335 archive->forEachFile( Archive::VisitorFunc( &visitor, Archive::eFilesAndDirectories, 1 ), "textures/" );
336 archive->forEachFile( Archive::VisitorFunc( &visitor, Archive::eFilesAndDirectories, 2 ), "" );