lyx_mirror/src/texrow.h

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// -*- C++ -*-
/**
* \file texrow.h
* This file is part of LyX, the document processor.
* Licence details can be found in the file COPYING.
*
* \author Matthias Ettrich
* \author Lars Gullik Bj<EFBFBD>nnes
* \author John Levon
*
* Full author contact details are available in file CREDITS.
*/
#ifndef TEXROW_H
#define TEXROW_H
#include <list>
namespace lyx {
/// Represents the correspondence between paragraphs and the generated LaTeX file
class TexRow {
public:
///
TexRow() : count(0), lastid(-1), lastpos(-1) {}
TexRow & operator+= (TexRow const &);
/// Clears structure
void reset();
/// Define what paragraph and position the next row will represent
void start(int id, int pos);
/// Insert node when line is completed
void newline();
/**
* getIdFromRow - find pid and position for a given row
* @param row row number to find
* @param id set to id if found
* @param pos set to paragraph position if found
* @return true if found, false otherwise
*
* If the row could not be found, pos is set to zero and
* id is set to -1
*/
bool getIdFromRow(int row, int & id, int & pos) const;
/// Returns the number of rows contained
int rows() const { return count; }
/// an individual id/pos <=> row mapping
class RowItem {
public:
RowItem(int id, int pos, int row)
: id_(id), pos_(pos), rownumber_(row)
{}
/// paragraph id
int id() const {
return id_;
}
/// set paragraph position
void pos(int p) {
pos_ = p;
}
/// paragraph position
int pos() const {
return pos_;
}
/// row number
int rownumber() const {
return rownumber_;
}
private:
RowItem();
int id_;
int pos_;
int rownumber_;
};
///
typedef std::list<RowItem> RowList;
private:
/// number of lines
unsigned int count;
/// container of id/pos <=> row mapping
RowList rowlist;
/// Last paragraph
int lastid;
/// Last position
int lastpos;
};
} // namespace lyx
#endif // TEXROW_H