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/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
****************************************************************************/
#include <texteditor/fontsettings.h>
#include <texteditor/texteditorconstants.h>
#include <texteditor/texteditorsettings.h>
#include <utils/qtcassert.h>
#include "githighlighters.h"
namespace Git {
namespace Internal {
static const char CHANGE_PATTERN[] = "\\b[a-f0-9]{7,40}\\b";
// Retrieve the comment char format from the text editor.
static QTextCharFormat commentFormat()
{
const TextEditor::FontSettings settings = TextEditor::TextEditorSettings::instance()->fontSettings();
return settings.toTextCharFormat(TextEditor::C_COMMENT);
}
GitSubmitHighlighter::GitSubmitHighlighter(QTextEdit * parent) :
TextEditor::SyntaxHighlighter(parent)
{
initialize();
}
GitSubmitHighlighter::GitSubmitHighlighter(TextEditor::BaseTextDocument *parent) :
TextEditor::SyntaxHighlighter(parent)
{
initialize();
}
void GitSubmitHighlighter::initialize()
{
m_commentFormat = commentFormat();
m_keywordPattern.setPattern(QLatin1String("^[\\w-]+:"));
m_hashChar = QLatin1Char('#');
QTC_CHECK(m_keywordPattern.isValid());
}
void GitSubmitHighlighter::highlightBlock(const QString &text)
{
// figure out current state
State state = static_cast<State>(previousBlockState());
if (text.isEmpty()) {
if (state == Header)
state = Other;
setCurrentBlockState(state);
return;
} else if (text.startsWith(m_hashChar)) {
setFormat(0, text.size(), m_commentFormat);
setCurrentBlockState(state);
return;
} else if (state == None) {
state = Header;
}
setCurrentBlockState(state);
// Apply format.
switch (state) {
case None:
break;
case Header: {
QTextCharFormat charFormat = format(0);
charFormat.setFontWeight(QFont::Bold);
setFormat(0, text.size(), charFormat);
break;
}
case Other:
// Format key words ("Task:") italic
if (m_keywordPattern.indexIn(text, 0, QRegExp::CaretAtZero) == 0) {
QTextCharFormat charFormat = format(0);
charFormat.setFontItalic(true);
setFormat(0, m_keywordPattern.matchedLength(), charFormat);
}
break;
}
}
GitRebaseHighlighter::RebaseAction::RebaseAction(const QString ®exp,
const TextEditor::FontSettings &settings,
TextEditor::TextStyle category)
: exp(regexp)
{
format = settings.toTextCharFormat(category);
}
GitRebaseHighlighter::GitRebaseHighlighter(TextEditor::BaseTextDocument *parent) :
TextEditor::SyntaxHighlighter(parent),
m_hashChar(QLatin1Char('#')),
m_changeNumberPattern(QLatin1String(CHANGE_PATTERN))
{
const TextEditor::FontSettings settings = TextEditor::TextEditorSettings::instance()->fontSettings();
m_commentFormat = settings.toTextCharFormat(TextEditor::C_COMMENT);
m_changeFormat = settings.toTextCharFormat(TextEditor::C_DOXYGEN_COMMENT);
m_descFormat = settings.toTextCharFormat(TextEditor::C_STRING);
m_actions << RebaseAction(QLatin1String("^(p|pick)\\b"), settings, TextEditor::C_KEYWORD);
m_actions << RebaseAction(QLatin1String("^(r|reword)\\b"), settings, TextEditor::C_FIELD);
m_actions << RebaseAction(QLatin1String("^(e|edit)\\b"), settings, TextEditor::C_TYPE);
m_actions << RebaseAction(QLatin1String("^(s|squash)\\b"), settings, TextEditor::C_ENUMERATION);
m_actions << RebaseAction(QLatin1String("^(f|fixup)\\b"), settings, TextEditor::C_NUMBER);
m_actions << RebaseAction(QLatin1String("^(x|exec)\\b"), settings, TextEditor::C_LABEL);
}
void GitRebaseHighlighter::highlightBlock(const QString &text)
{
if (text.startsWith(m_hashChar)) {
setFormat(0, text.size(), m_commentFormat);
int changeIndex = 0;
while ((changeIndex = m_changeNumberPattern.indexIn(text, changeIndex)) != -1) {
const int changeLen = m_changeNumberPattern.matchedLength();
setFormat(changeIndex, changeLen, m_changeFormat);
changeIndex += changeLen;
}
return;
}
foreach (const RebaseAction &action, m_actions) {
if (action.exp.indexIn(text) != -1) {
const int len = action.exp.matchedLength();
setFormat(0, len, action.format);
const int changeIndex = m_changeNumberPattern.indexIn(text, len);
if (changeIndex != -1) {
const int changeLen = m_changeNumberPattern.matchedLength();
const int descStart = changeIndex + changeLen + 1;
setFormat(changeIndex, changeLen, m_changeFormat);
setFormat(descStart, text.size() - descStart, m_descFormat);
}
break;
}
}
}
} // namespace Internal
} // namespace Git
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