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author | Marisa-Chan | 2014-06-13 21:43:04 +0700 |
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committer | Marisa-Chan | 2014-06-13 21:43:04 +0700 |
commit | 45589950c0fb1a449351e6a00ef10d42290d8bae (patch) | |
tree | 44e4eedcb7e69d5fc386155b000ed038af07251d /engines/zvision/archives/zfs_archive.h | |
parent | 48360645dcd5f8fddb135b6e31ae5cae4be8d77f (diff) | |
parent | 5c005ad3a3f1df0bc968c85c1cf0fc48e36ab0b2 (diff) | |
download | scummvm-rg350-45589950c0fb1a449351e6a00ef10d42290d8bae.tar.gz scummvm-rg350-45589950c0fb1a449351e6a00ef10d42290d8bae.tar.bz2 scummvm-rg350-45589950c0fb1a449351e6a00ef10d42290d8bae.zip |
Merge remote-tracking branch 'upstream/master' into zvision
Conflicts:
engines/zvision/animation/rlf_animation.cpp
engines/zvision/animation_control.h
engines/zvision/core/console.cpp
engines/zvision/core/events.cpp
engines/zvision/cursors/cursor.cpp
engines/zvision/cursors/cursor_manager.cpp
engines/zvision/cursors/cursor_manager.h
engines/zvision/fonts/truetype_font.cpp
engines/zvision/graphics/render_manager.cpp
engines/zvision/graphics/render_manager.h
engines/zvision/inventory/inventory_manager.h
engines/zvision/inventory_manager.h
engines/zvision/meta_animation.h
engines/zvision/module.mk
engines/zvision/scripting/actions.cpp
engines/zvision/scripting/control.h
engines/zvision/scripting/controls/animation_control.cpp
engines/zvision/scripting/controls/animation_control.h
engines/zvision/scripting/controls/input_control.cpp
engines/zvision/scripting/controls/lever_control.cpp
engines/zvision/scripting/controls/timer_node.cpp
engines/zvision/scripting/controls/timer_node.h
engines/zvision/scripting/puzzle.h
engines/zvision/scripting/scr_file_handling.cpp
engines/zvision/scripting/script_manager.cpp
engines/zvision/scripting/script_manager.h
engines/zvision/sidefx.cpp
engines/zvision/sound/zork_raw.cpp
engines/zvision/sound/zork_raw.h
engines/zvision/video/video.cpp
engines/zvision/video/zork_avi_decoder.h
engines/zvision/zvision.cpp
engines/zvision/zvision.h
Diffstat (limited to 'engines/zvision/archives/zfs_archive.h')
-rw-r--r-- | engines/zvision/archives/zfs_archive.h | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/engines/zvision/archives/zfs_archive.h b/engines/zvision/archives/zfs_archive.h new file mode 100644 index 0000000000..44e2c4b240 --- /dev/null +++ b/engines/zvision/archives/zfs_archive.h @@ -0,0 +1,126 @@ +/* ScummVM - Graphic Adventure Engine + * + * ScummVM is the legal property of its developers, whose names + * are too numerous to list here. Please refer to the COPYRIGHT + * file distributed with this source distribution. + * + * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + */ + +#ifndef ZVISION_ZFS_ARCHIVE_H +#define ZVISION_ZFS_ARCHIVE_H + +#include "common/archive.h" +#include "common/hashmap.h" +#include "common/hash-str.h" + + +namespace Common { +class String; +} + +namespace ZVision { + +struct ZfsHeader { + uint32 magic; + uint32 unknown1; + uint32 maxNameLength; + uint32 filesPerBlock; + uint32 fileCount; + byte xorKey[4]; + uint32 fileSectionOffset; +}; + +struct ZfsEntryHeader { + Common::String name; + uint32 offset; + uint32 id; + uint32 size; + uint32 time; + uint32 unknown; +}; + +typedef Common::HashMap<Common::String, ZfsEntryHeader *, Common::IgnoreCase_Hash, Common::IgnoreCase_EqualTo> ZfsEntryHeaderMap; + +class ZfsArchive : public Common::Archive { +public: + ZfsArchive(const Common::String &fileName); + ZfsArchive(const Common::String &fileName, Common::SeekableReadStream *stream); + ~ZfsArchive(); + + /** + * Check if a member with the given name is present in the Archive. + * Patterns are not allowed, as this is meant to be a quick File::exists() + * replacement. + */ + bool hasFile(const Common::String &fileName) const; + + /** + * Add all members of the Archive to list. + * Must only append to list, and not remove elements from it. + * + * @return The number of names added to list + */ + int listMembers(Common::ArchiveMemberList &list) const; + + /** + * Returns a ArchiveMember representation of the given file. + */ + const Common::ArchiveMemberPtr getMember(const Common::String &name) const; + + /** + * Create a stream bound to a member with the specified name in the + * archive. If no member with this name exists, 0 is returned. + * + * @return The newly created input stream + */ + Common::SeekableReadStream *createReadStreamForMember(const Common::String &name) const; + +private: + const Common::String _fileName; + ZfsHeader _header; + ZfsEntryHeaderMap _entryHeaders; + + /** + * Parses the zfs file into file entry headers that can be used later + * to get the entry data. + * + * @param stream The contents of the zfs file + */ + void readHeaders(Common::SeekableReadStream *stream); + + /** + * Entry names are contained within a 16 byte block. This reads the block + * and converts it the name to a Common::String + * + * @param stream The zfs file stream + * @return The entry file name + */ + Common::String readEntryName(Common::SeekableReadStream *stream) const; + + /** + * ZFS file entries can be encrypted using XOR encoding. This method + * decodes the buffer in place using the supplied xorKey. + * + * @param buffer The data to decode + * @param length Length of buffer + */ + void unXor(byte *buffer, uint32 length, const byte *xorKey) const; +}; + +} // End of namespace ZVision + +#endif |