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// Copyright (C) 2021 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#include "linecolumn.h"
#include <QRegularExpression>
namespace Utils {
/*!
Returns the line and column of a \a fileName and sets the \a postfixPos if
it can find a positional postfix.
The following patterns are supported: \c {filepath.txt:19},
\c{filepath.txt:19:12}, \c {filepath.txt+19},
\c {filepath.txt+19+12}, and \c {filepath.txt(19)}.
*/
LineColumn LineColumn::extractFromFileName(QStringView fileName, int &postfixPos)
{
static const auto regexp = QRegularExpression("[:+](\\d+)?([:+](\\d+)?)?$");
// (10) MSVC-style
static const auto vsRegexp = QRegularExpression("[(]((\\d+)[)]?)?$");
const QRegularExpressionMatch match = regexp.match(fileName);
LineColumn lineColumn;
if (match.hasMatch()) {
postfixPos = match.capturedStart(0);
lineColumn.line = 0; // for the case that there's only a : at the end
if (match.lastCapturedIndex() > 0) {
lineColumn.line = match.captured(1).toInt();
if (match.lastCapturedIndex() > 2) // index 2 includes the + or : for the column number
lineColumn.column = match.captured(3).toInt() - 1; //column is 0 based, despite line being 1 based
}
} else {
const QRegularExpressionMatch vsMatch = vsRegexp.match(fileName);
postfixPos = vsMatch.capturedStart(0);
if (vsMatch.lastCapturedIndex() > 1) // index 1 includes closing )
lineColumn.line = vsMatch.captured(2).toInt();
}
return lineColumn;
}
} // namespace Utils
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