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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 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.
*
* $URL$
* $Id$
*
*/
#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
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