scummvm/common/unicode-bidi.h
2020-06-22 08:14:16 +02:00

58 lines
2.0 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 COMMON_STRING_BIDI_H
#define COMMON_STRING_BIDI_H
#include "common/str.h"
#include "common/ustr.h"
#include "common/language.h"
namespace Common {
class UnicodeBiDiText {
private:
uint32 *_log_to_vis_index; // from fribidi conversion
uint32 *_vis_to_log_index; // from fribidi conversion
void initWithU32String(const Common::U32String &str);
public:
const Common::U32String logical; // original string, ordered logically
Common::U32String visual; // from fribidi conversion, ordered visually
UnicodeBiDiText(const Common::U32String &str);
UnicodeBiDiText(const Common::String &str, const Common::CodePage page);
~UnicodeBiDiText();
uint32 getVisualPosition(uint32 logicalPos) const;
uint32 getLogicalPosition(uint32 visualPos) const;
uint32 size() const { return logical.size(); }
};
/* just call the constructor for convenience */
UnicodeBiDiText convertBiDiU32String(const U32String &input);
String convertBiDiString(const String &input, const Common::Language lang);
String convertBiDiString(const String &input, const Common::CodePage page);
} // End of namespace Common
#endif