diff options
Diffstat (limited to 'src/plugins/git/githighlighters.cpp')
-rw-r--r-- | src/plugins/git/githighlighters.cpp | 164 |
1 files changed, 164 insertions, 0 deletions
diff --git a/src/plugins/git/githighlighters.cpp b/src/plugins/git/githighlighters.cpp new file mode 100644 index 0000000000..2f00c9f2db --- /dev/null +++ b/src/plugins/git/githighlighters.cpp @@ -0,0 +1,164 @@ +/**************************************************************************** +** +** 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 |