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2b65ee6030
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@26949 a592a061-630c-0410-9148-cb99ea01b6c8
86 lines
1.5 KiB
C++
86 lines
1.5 KiB
C++
/**
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* \file TexRow.cpp
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* This file is part of LyX, the document processor.
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* Licence details can be found in the file COPYING.
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*
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* \author Matthias Ettrich
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* \author Lars Gullik Bjønnes
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* \author John Levon
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*
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* Full author contact details are available in file CREDITS.
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*/
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#include <config.h>
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#include "TexRow.h"
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#include "support/debug.h"
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#include <algorithm>
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namespace lyx {
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void TexRow::reset()
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{
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rowlist.clear();
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lastid = -1;
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lastpos = -1;
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}
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void TexRow::start(int id, int pos)
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{
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lastid = id;
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lastpos = pos;
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}
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void TexRow::newline()
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{
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int const id = lastid;
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RowList::value_type tmp(id, lastpos);
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rowlist.push_back(tmp);
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}
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bool TexRow::getIdFromRow(int row, int & id, int & pos) const
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{
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if (row <= 0 || row > int(rowlist.size())) {
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id = -1;
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pos = 0;
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return false;
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}
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id = rowlist[row - 1].id();
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pos = rowlist[row - 1].pos();
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return true;
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}
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int TexRow::getRowFromIdPos(int id, int pos) const
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{
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bool foundid = false;
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// this loop finds the last *nonempty* row with the same id
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// and position <= pos
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RowList::const_iterator bestrow = rowlist.begin();
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RowList::const_iterator it = rowlist.begin();
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RowList::const_iterator const end = rowlist.end();
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for (; it != end; ++it) {
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if (it->id() == id && it->pos() <= pos) {
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foundid = true;
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if (bestrow->id() != id || it->pos() > bestrow->pos())
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bestrow = it;
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} else if (foundid)
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break;
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}
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if (!foundid)
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return rowlist.size();
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return distance(rowlist.begin(), bestrow);
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}
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} // namespace lyx
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