mirror of
https://github.com/libretro/scummvm.git
synced 2024-12-27 04:07:05 +00:00
101 lines
2.7 KiB
C++
101 lines
2.7 KiB
C++
/* 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
|