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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** 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 The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
****************************************************************************/
#include <texteditor/texteditorconstants.h>
#include <utils/qtcassert.h>
#include "githighlighters.h"
namespace Git {
namespace Internal {
static const char CHANGE_PATTERN[] = "\\b[a-f0-9]{7,40}\\b";
GitSubmitHighlighter::GitSubmitHighlighter(QTextEdit * parent) :
TextEditor::SyntaxHighlighter(parent)
{
setDefaultTextFormatCategories();
m_keywordPattern.setPattern("^[\\w-]+:");
m_hashChar = '#';
QTC_CHECK(m_keywordPattern.isValid());
}
void GitSubmitHighlighter::highlightBlock(const QString &text)
{
// figure out current state
auto state = static_cast<State>(previousBlockState());
if (text.trimmed().isEmpty()) {
if (state == Header)
state = Other;
setCurrentBlockState(state);
return;
} else if (text.startsWith(m_hashChar)) {
setFormat(0, text.size(), formatForCategory(TextEditor::C_COMMENT));
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 Format formatCategory)
: exp(regexp),
formatCategory(formatCategory)
{
}
static TextEditor::TextStyle styleForFormat(int format)
{
using namespace TextEditor;
const auto f = Format(format);
switch (f) {
case Format_Comment: return C_COMMENT;
case Format_Change: return C_DOXYGEN_COMMENT;
case Format_Description: return C_STRING;
case Format_Pick: return C_KEYWORD;
case Format_Reword: return C_FIELD;
case Format_Edit: return C_TYPE;
case Format_Squash: return C_ENUMERATION;
case Format_Fixup: return C_NUMBER;
case Format_Exec: return C_LABEL;
case Format_Break: return C_PREPROCESSOR;
case Format_Drop: return C_REMOVED_LINE;
case Format_Label: return C_LABEL;
case Format_Reset: return C_LABEL;
case Format_Merge: return C_LABEL;
case Format_Count:
QTC_CHECK(false); // should never get here
return C_TEXT;
}
QTC_CHECK(false); // should never get here
return C_TEXT;
}
GitRebaseHighlighter::GitRebaseHighlighter(QTextDocument *parent) :
TextEditor::SyntaxHighlighter(parent),
m_hashChar('#'),
m_changeNumberPattern(CHANGE_PATTERN)
{
setTextFormatCategories(Format_Count, styleForFormat);
m_actions << RebaseAction("^(p|pick)\\b", Format_Pick);
m_actions << RebaseAction("^(r|reword)\\b", Format_Reword);
m_actions << RebaseAction("^(e|edit)\\b", Format_Edit);
m_actions << RebaseAction("^(s|squash)\\b", Format_Squash);
m_actions << RebaseAction("^(f|fixup)\\b", Format_Fixup);
m_actions << RebaseAction("^(x|exec)\\b", Format_Exec);
m_actions << RebaseAction("^(b|break)\\b", Format_Break);
m_actions << RebaseAction("^(d|drop)\\b", Format_Drop);
m_actions << RebaseAction("^(l|label)\\b", Format_Label);
m_actions << RebaseAction("^(t|reset)\\b", Format_Reset);
m_actions << RebaseAction("^(m|merge)\\b", Format_Merge);
}
void GitRebaseHighlighter::highlightBlock(const QString &text)
{
if (text.startsWith(m_hashChar)) {
setFormat(0, text.size(), formatForCategory(Format_Comment));
int changeIndex = 0;
while ((changeIndex = m_changeNumberPattern.indexIn(text, changeIndex)) != -1) {
const int changeLen = m_changeNumberPattern.matchedLength();
setFormat(changeIndex, changeLen, formatForCategory(Format_Change));
changeIndex += changeLen;
}
} else {
for (const RebaseAction &action : qAsConst(m_actions)) {
if (action.exp.indexIn(text) != -1) {
const int len = action.exp.matchedLength();
setFormat(0, len, formatForCategory(action.formatCategory));
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, formatForCategory(Format_Change));
setFormat(descStart, text.size() - descStart, formatForCategory(Format_Description));
}
break;
}
}
}
formatSpaces(text);
}
} // namespace Internal
} // namespace Git
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