ZVISION: Move the ZfsArchive class

2 files changed, 0 insertions, 280 deletions

diff --git a/engines/zvision/archives/zfs_archive.cpp b/engines/zvision/archives/zfs_archive.cpp
deleted file mode 100644
index 416719b8f2..0000000000
--- a/engines/zvision/archives/zfs_archive.cpp
+++ /dev/null
@@ -1,155 +0,0 @@
-/* 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.
- *
- */
-
-#include "common/scummsys.h"
-
-#include "zvision/archives/zfs_archive.h"
-
-#include "common/memstream.h"
-#include "common/debug.h"
-#include "common/file.h"
-
-namespace ZVision {
-
-ZfsArchive::ZfsArchive(const Common::String &fileName) : _fileName(fileName) {
-	Common::File zfsFile;
-
-	if (!zfsFile.open(_fileName)) {
-		warning("ZFSArchive::ZFSArchive(): Could not find the archive file");
-		return;
-	}
-
-	readHeaders(&zfsFile);
-
-	debug(1, "ZfsArchive::ZfsArchive(%s): Located %d files", _fileName.c_str(), _entryHeaders.size());
-}
-
-ZfsArchive::ZfsArchive(const Common::String &fileName, Common::SeekableReadStream *stream) : _fileName(fileName) {
-	readHeaders(stream);
-
-	debug(1, "ZfsArchive::ZfsArchive(%s): Located %d files", _fileName.c_str(), _entryHeaders.size());
-}
-
-ZfsArchive::~ZfsArchive() {
-	debug(1, "ZfsArchive Destructor Called");
-	ZfsEntryHeaderMap::iterator it = _entryHeaders.begin();
-	for (; it != _entryHeaders.end(); ++it) {
-		delete it->_value;
-	}
-}
-
-void ZfsArchive::readHeaders(Common::SeekableReadStream *stream) {
-	// Don't do a straight struct cast since we can't guarantee endianness
-	_header.magic = stream->readUint32LE();
-	_header.unknown1 = stream->readUint32LE();
-	_header.maxNameLength = stream->readUint32LE();
-	_header.filesPerBlock = stream->readUint32LE();
-	_header.fileCount = stream->readUint32LE();
-	_header.xorKey[0] = stream->readByte();
-	_header.xorKey[1] = stream->readByte();
-	_header.xorKey[2] = stream->readByte();
-	_header.xorKey[3] = stream->readByte();
-	_header.fileSectionOffset = stream->readUint32LE();
-
-	uint32 nextOffset;
-
-	do {
-		// Read the offset to the next block
-		nextOffset = stream->readUint32LE();
-
-		// Read in each entry header
-		for (uint32 i = 0; i < _header.filesPerBlock; ++i) {
-			ZfsEntryHeader entryHeader;
-
-			entryHeader.name = readEntryName(stream);
-			entryHeader.offset = stream->readUint32LE();
-			entryHeader.id = stream->readUint32LE();
-			entryHeader.size = stream->readUint32LE();
-			entryHeader.time = stream->readUint32LE();
-			entryHeader.unknown = stream->readUint32LE();
-
-			if (entryHeader.size != 0)
-				_entryHeaders[entryHeader.name] = new ZfsEntryHeader(entryHeader);
-		}
-
-		// Seek to the next block of headers
-		stream->seek(nextOffset);
-	} while (nextOffset != 0);
-}
-
-Common::String ZfsArchive::readEntryName(Common::SeekableReadStream *stream) const {
-	// Entry Names are at most 16 bytes and are null padded
-	char buffer[16];
-	stream->read(buffer, 16);
-
-	return Common::String(buffer);
-}
-
-bool ZfsArchive::hasFile(const Common::String &name) const {
-	return _entryHeaders.contains(name);
-}
-
-int ZfsArchive::listMembers(Common::ArchiveMemberList &list) const {
-	int matches = 0;
-
-	for (ZfsEntryHeaderMap::const_iterator it = _entryHeaders.begin(); it != _entryHeaders.end(); ++it) {
-		list.push_back(Common::ArchiveMemberList::value_type(new Common::GenericArchiveMember(it->_value->name, this)));
-		matches++;
-	}
-
-	return matches;
-}
-
-const Common::ArchiveMemberPtr ZfsArchive::getMember(const Common::String &name) const {
-	if (!_entryHeaders.contains(name))
-		return Common::ArchiveMemberPtr();
-
-	return Common::ArchiveMemberPtr(new Common::GenericArchiveMember(name, this));
-}
-
-Common::SeekableReadStream *ZfsArchive::createReadStreamForMember(const Common::String &name) const {
-	if (!_entryHeaders.contains(name)) {
-		return 0;
-	}
-
-	ZfsEntryHeader *entryHeader = _entryHeaders[name];
-
-	Common::File zfsArchive;
-	zfsArchive.open(_fileName);
-	zfsArchive.seek(entryHeader->offset);
-
-	// This *HAS* to be malloc (not new[]) because MemoryReadStream uses free() to free the memory
-	byte *buffer = (byte *)malloc(entryHeader->size);
-	zfsArchive.read(buffer, entryHeader->size);
-	// Decrypt the data in place
-	if (_header.xorKey != 0)
-		unXor(buffer, entryHeader->size, _header.xorKey);
-
-	return new Common::MemoryReadStream(buffer, entryHeader->size, DisposeAfterUse::YES);
-}
-
-void ZfsArchive::unXor(byte *buffer, uint32 length, const byte *xorKey) const {
-	for (uint32 i = 0; i < length; ++i)
-		buffer[i] ^= xorKey[i % 4];
-}
-
-} // End of namespace ZVision
diff --git a/engines/zvision/archives/zfs_archive.h b/engines/zvision/archives/zfs_archive.h
deleted file mode 100644
index 571591a6d1..0000000000
--- a/engines/zvision/archives/zfs_archive.h
+++ /dev/null
@@ -1,125 +0,0 @@
-/* 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