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/*
SPDX-FileCopyrightText: 2011 Sergey Vidyuk <sir.vestnik@gmail.com>
SPDX-FileCopyrightText: 2012 Aleix Pol Gonzalez <aleixpol@kde.org>
SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
*/
#include "gitmessagehighlighter.h"
#include <QString>
#include <QTextCharFormat>
#include <QTextEdit>
#include <KLocalizedString>
/// Recommended summary limit from http://tbaggery.com/2008/04/19/a-note-about-git-commit-messages.html
static const int summarySoftLimit = 50;
/// Summary length limit causing warning messages from 'git push'
static const int summaryHardLimit = 65;
/// Recommended line length from http://tbaggery.com/2008/04/19/a-note-about-git-commit-messages.html
static const int lineLenLimit = 72;
void GitMessageHighlighter::applyErrorFormat(GitMessageHighlighter* text, bool warning, const QString& tooltip, int startPos, int endPos)
{
QTextCharFormat format;
format.setFontUnderline(true);
format.setUnderlineStyle(QTextCharFormat::SpellCheckUnderline);
format.setUnderlineColor(warning ? Qt::yellow : Qt::red);
format.setToolTip(tooltip);
text->setFormat(startPos, endPos, format);
}
GitMessageHighlighter::GitMessageHighlighter(QTextEdit* parent): Sonnet::Highlighter(parent)
{
}
GitMessageHighlighter::~GitMessageHighlighter()
{
}
void GitMessageHighlighter::highlightBlock(const QString& text)
{
int blockState = previousBlockState();
if (blockState < DetailedMessage)
++blockState;
const int textLength = text.length();
int startPos = 0;
int endPos = 0;
while (startPos < textLength)
{
// Switch block state for multiline blocks
if (startPos != 0 && blockState < DetailedMessage)
++blockState;
endPos = text.indexOf(QLatin1Char('\n'), startPos);
if (endPos < 0)
endPos = textLength;
const int lineLength = endPos - startPos;
Highlighter::highlightBlock( text );
switch (blockState)
{
case Summary:
if (lineLength > summarySoftLimit)
{
applyErrorFormat(this,
lineLength <= summaryHardLimit,
i18n("Try to keep summary length below %1 characters.", summarySoftLimit),
startPos, endPos
);
} else {
for(int i=startPos; i<endPos; i++) {
QTextCharFormat f = format(i);
f.setFontWeight(QFont::Bold);
setFormat(i, 1, f);
}
}
break;
case SummarySeparator:
if (lineLength != 0)
{
applyErrorFormat(this,
false,
i18n("Separate summary from details with one empty line."),
startPos, endPos
);
}
break;
default:
if (lineLength > lineLenLimit)
{
applyErrorFormat(this,
false,
i18n("Try to keep line length below %1 characters.", lineLenLimit),
startPos+lineLenLimit, endPos
);
}
break;
}
startPos = endPos;
}
setCurrentBlockState(blockState);
}
#include "moc_gitmessagehighlighter.cpp"
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