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/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Qt Software Information (qt-info@nokia.com)
**
** Commercial Usage
**
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
**
** 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.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at qt-sales@nokia.com.
**
**************************************************************************/
#include "duihighlighter.h"
#include <utils/qtcassert.h>
namespace DuiEditor {
namespace Internal {
DuiHighlighter::DuiHighlighter(QTextDocument *parent) :
SharedTools::QScriptHighlighter(parent)
{
setDuiEnabled(true);
m_currentBlockParentheses.reserve(20);
m_braceDepth = 0;
qscriptKeywords.insert(QLatin1String("property"));
qscriptKeywords.insert(QLatin1String("signal"));
}
int DuiHighlighter::onBlockStart()
{
m_currentBlockParentheses.clear();
m_braceDepth = 0;
int state = 0;
int previousState = previousBlockState();
if (previousState != -1) {
state = previousState & 0xff;
m_braceDepth = previousState >> 8;
}
return state;
}
void DuiHighlighter::onOpeningParenthesis(QChar parenthesis, int pos)
{
if (parenthesis == QLatin1Char('{'))
++m_braceDepth;
m_currentBlockParentheses.push_back(Parenthesis(Parenthesis::Opened, parenthesis, pos));
}
void DuiHighlighter::onClosingParenthesis(QChar parenthesis, int pos)
{
if (parenthesis == QLatin1Char('}'))
--m_braceDepth;
m_currentBlockParentheses.push_back(Parenthesis(Parenthesis::Closed, parenthesis, pos));
}
void DuiHighlighter::onBlockEnd(int state, int firstNonSpace)
{
typedef TextEditor::TextBlockUserData TextEditorBlockData;
setCurrentBlockState((m_braceDepth << 8) | state);
// Set block data parentheses. Force creation of block data unless empty
TextEditorBlockData *blockData = 0;
if (QTextBlockUserData *userData = currentBlockUserData())
blockData = static_cast<TextEditorBlockData *>(userData);
if (!blockData && !m_currentBlockParentheses.empty()) {
blockData = new TextEditorBlockData;
setCurrentBlockUserData(blockData);
}
if (blockData) {
blockData->setParentheses(m_currentBlockParentheses);
blockData->setClosingCollapseMode(TextEditor::TextBlockUserData::NoClosingCollapse);
blockData->setCollapseMode(TextEditor::TextBlockUserData::NoCollapse);
}
if (!m_currentBlockParentheses.isEmpty()) {
QTC_ASSERT(blockData, return);
int collapse = Parenthesis::collapseAtPos(m_currentBlockParentheses);
if (collapse >= 0) {
if (collapse == firstNonSpace)
blockData->setCollapseMode(TextEditor::TextBlockUserData::CollapseThis);
else
blockData->setCollapseMode(TextEditor::TextBlockUserData::CollapseAfter);
}
if (Parenthesis::hasClosingCollapse(m_currentBlockParentheses))
blockData->setClosingCollapseMode(TextEditor::TextBlockUserData::NoClosingCollapse);
}
}
} // namespace Internal
} // namespace DuiEditor
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