scummvm/engines/hdb/file-manager.h

/* 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 HDB_FILE_MANAGER_H
#define HDB_FILE_MANAGER_H

namespace Common {
	class File;
}

#define MPCIterator Common::Array<MPCEntry *>::iterator

namespace HDB {

// Each entry in a MSD file is of the following types

enum DataType {
	TYPE_ERROR,
	TYPE_BINARY,
	TYPE_TILE32,
	TYPE_FONT,
	TYPE_ICON32,
	TYPE_PIC,

	ENDOFTYPES
};

struct MPCEntry {
	char	filename[64];	// filename
	int32	offset;			// offset in MSD file of data
	int32	length;			// compressed length of data
	int32	ulength;		// uncompressed length
	DataType	type;		// type of data
};

class FileMan {
private:

	Common::File *_mpcFile;
	Common::Array<MPCEntry *> _dir;

public:

	FileMan();
	~FileMan();

	struct {
		uint32 id;
		uint32 dirSize;
	} _dataHeader;

	void openMPC(const Common::Path &filename);
	void closeMPC();
	void seek(int32 offset, int flag);

	Common::SeekableReadStream *findFirstData(const char *string, DataType type, int *length = nullptr);
	int32 getLength(const char *string, DataType type);
	int getCount(const char *subString, DataType type);
	Common::Array<const char *> *findFiles(const char *string, DataType type);

};

} // End of Namespace HDB

#endif // !HDB_FILE_MANAGER_H