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/* This file is part of the KDE project
Copyright 2015 Maciej Cencora
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include "texteditorhelpers.h"
#include <KTextEditor/View>
#include <QRegularExpression>
#include <cstdlib>
namespace KDevelop {
namespace {
// TODO: this is a hack, but Kate does not provide interface for this
int lineHeight(const KTextEditor::View* view, int curLine)
{
KTextEditor::Cursor c(curLine, 0);
int currentHeight = view->cursorToCoordinate(c).y();
c.setLine(curLine + 1);
if (view->cursorToCoordinate(c).y() < 0) {
c.setLine(curLine - 1);
}
return std::abs(view->cursorToCoordinate(c).y() - currentHeight);
}
}
QRect KTextEditorHelpers::itemBoundingRect(const KTextEditor::View* view, const KTextEditor::Range& itemRange)
{
QPoint startPoint = view->mapToGlobal(view->cursorToCoordinate(itemRange.start()));
QPoint endPoint = view->mapToGlobal(view->cursorToCoordinate(itemRange.end()));
endPoint.ry() += lineHeight(view, itemRange.start().line());
return QRect(startPoint, endPoint);
}
KTextEditor::Cursor KTextEditorHelpers::extractCursor(const QString& input, int* pathLength)
{
// ":ll:cc", ":ll"
static const QRegularExpression pattern(QStringLiteral(":(\\d+)(?::(\\d+))?$"));
// "#Lll", "#nll", "#ll" as e.g. seen with repo web links
static const QRegularExpression pattern2(QStringLiteral("#(?:n|L|)(\\d+)$"));
auto match = pattern.match(input);
if (!match.hasMatch()) {
match = pattern2.match(input);
}
if (!match.hasMatch()) {
if (pathLength)
*pathLength = input.length();
return KTextEditor::Cursor::invalid();
}
int line = match.capturedRef(1).toInt() - 1;
// captured(2) for pattern2 will yield null QString, toInt() thus 0, so no need for if-else
// don't use an invalid column when the line is valid
int column = qMax(0, match.capturedRef(2).toInt() - 1);
if (pathLength)
*pathLength = match.capturedStart(0);
return {
line, column
};
}
}
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