/* 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 GOB_DBASE_H #define GOB_DBASE_H #include "common/system.h" #include "common/util.h" #include "common/str.h" #include "common/stream.h" #include "common/array.h" namespace Gob { /** * A class for reading dBase files. * * Only dBase III files supported for now, and only field type * string is actually useful. Further missing is reading of MDX * index files and support for the external "Memo" data file. */ class dBase { public: enum Type { kTypeString = 0x43, // 'C' kTypeDate = 0x44, // 'D' kTypeBool = 0x4C, // 'L' kTypeMemo = 0x4D, // 'M' kTypeNumber = 0x4E // 'N' }; /** A field description. */ struct Field { Common::String name; ///< Name of the field. Type type; ///< Type of the field. uint8 size; ///< Size of raw field data in bytes. uint8 decimals; ///< Number of decimals the field holds. }; /** A record. */ struct Record { bool deleted; ///< Has this record been deleted? Common::Array<const byte *> fields; ///< Raw field data. }; dBase(); ~dBase(); bool load(Common::SeekableReadStream &stream); void clear(); byte getVersion() const; /** Return the date the database was last updated. */ TimeDate getLastUpdate() const; const Common::Array<Field> &getFields() const; const Common::Array<Record> &getRecords() const; /** Extract a string out of raw field data. */ Common::String getString(const Record &record, int field) const; private: byte _version; bool _hasMemo; TimeDate _lastUpdate; Common::Array<Field> _fields; Common::Array<Record> _records; byte *_recordData; static inline uint32 stringLength(const byte *data, uint32 max); static inline Common::String readString(Common::SeekableReadStream &stream, int n); }; } // End of namespace Gob #endif // GOB_DBASE_H