lyx_mirror/src/Bidi.h

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// -*- C++ -*-
/**
* \file Bidi.h
* This file is part of LyX, the document processor.
* Licence details can be found in the file COPYING.
*
* \author Dekel Tsur
*
* Full author contact details are available in file CREDITS.
*/
#ifndef BIDI_H
#define BIDI_H
#include <config.h>
#include "support/types.h"
#include <vector>
class Buffer;
class Paragraph;
class Row;
class LyXFont;
/// bidi stuff
class Bidi {
public:
///
bool isBoundary(Buffer const &, Paragraph const & par,
lyx::pos_type pos) const;
///
bool isBoundary(Buffer const &, Paragraph const & par,
lyx::pos_type pos, LyXFont const & font) const;
///
lyx::pos_type log2vis(lyx::pos_type pos) const;
/** Maps positions in the logical string to positions
* in visual string.
*/
lyx::pos_type vis2log(lyx::pos_type pos) const;
///
lyx::pos_type level(lyx::pos_type pos) const;
///
bool inRange(lyx::pos_type pos) const;
/// same_direction?
bool same_direction() const;
///
void computeTables(Paragraph const & par,
Buffer const &, Row const & row);
private:
///
bool same_direction_;
///
std::vector<lyx::pos_type> log2vis_list_;
/** Maps positions in the visual string to positions
* in logical string.
*/
std::vector<lyx::pos_type> vis2log_list_;
///
std::vector<lyx::pos_type> levels_;
///
lyx::pos_type start_;
///
lyx::pos_type end_;
};
#endif // BIDI_H