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engines/mads/mps_installer.h

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+/* 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 3 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, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#ifndef MADS_MPS_INSTALLER_H
+#define MADS_MPS_INSTALLER_H
+
+#include "common/archive.h"
+#include "common/ptr.h"
+#include "common/stream.h"
+#include "common/hashmap.h"
+#include "common/hash-str.h"
+
+namespace MADS {
+
+class MpsInstaller : public Common::MemcachingCaseInsensitiveArchive {
+public:
+	bool hasFile(const Common::Path &path) const override;
+	int listMembers(Common::ArchiveMemberList &) const override;
+	const Common::ArchiveMemberPtr getMember(const Common::Path &path) const override;
+	Common::SharedArchiveContents readContentsForPath(const Common::Path &translatedPath) const override;
+
+	static MpsInstaller* open(const Common::Path &baseName);
+
+private:
+	// Similar to FileDescriptionBin but in native-endian and native strings.
+	class FileDescriptor {
+	public:
+		// Public for hashmap
+		FileDescriptor() : _compressedSize(0),
+				   _uncompressedSize(),
+				   _compressionAlgo(0),
+				   _offsetInVolume(0),
+				   _volumeNumber(0) {}
+	protected:
+		FileDescriptor(const Common::Path &name,
+			       uint16 compression,
+			       uint16 volumeNumber,
+			       uint32 offsetInVolume,
+			       uint32 compressedSize,
+			       uint32 uncompressedSize) :
+			_fileName(name),
+			_compressionAlgo(compression),
+			_volumeNumber(volumeNumber),
+			_offsetInVolume(offsetInVolume),
+			_compressedSize(compressedSize),
+			_uncompressedSize(uncompressedSize) {}
+		
+		Common::Path _fileName;
+		uint _compressionAlgo;
+		uint _volumeNumber;
+		uint32 _offsetInVolume;
+		uint32 _compressedSize;
+		uint32 _uncompressedSize;
+
+		friend class MpsInstaller;
+	};
+
+	typedef Common::HashMap<Common::Path, FileDescriptor, Common::Path::IgnoreCase_Hash, Common::Path::IgnoreCase_EqualTo> FileMap;
+
+	MpsInstaller(const FileMap& files,
+		     const Common::Path& baseName) : _files(files), _baseName(baseName) {}
+
+	FileMap _files;
+	Common::Path _baseName;
+};
+}
+
+#endif