summaryrefslogtreecommitdiff
path: root/src/plugins/qtscripteditor/qtscripthighlighter.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/plugins/qtscripteditor/qtscripthighlighter.cpp')
-rw-r--r--src/plugins/qtscripteditor/qtscripthighlighter.cpp110
1 files changed, 110 insertions, 0 deletions
diff --git a/src/plugins/qtscripteditor/qtscripthighlighter.cpp b/src/plugins/qtscripteditor/qtscripthighlighter.cpp
new file mode 100644
index 0000000000..16d8f11472
--- /dev/null
+++ b/src/plugins/qtscripteditor/qtscripthighlighter.cpp
@@ -0,0 +1,110 @@
+/***************************************************************************
+**
+** This file is part of Qt Creator
+**
+** Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies).
+**
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+**
+** Non-Open Source Usage
+**
+** Licensees may use this file in accordance with the Qt Beta Version
+** License Agreement, Agreement version 2.2 provided with the Software or,
+** alternatively, in accordance with the terms contained in a written
+** agreement between you and Nokia.
+**
+** GNU General Public License Usage
+**
+** Alternatively, this file may be used under the terms of the GNU General
+** Public License versions 2.0 or 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the packaging
+** of this file. Please review the following information to ensure GNU
+** General Public Licensing requirements will be met:
+**
+** http://www.fsf.org/licensing/licenses/info/GPLv2.html and
+** http://www.gnu.org/copyleft/gpl.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights. These rights are described in the Nokia Qt GPL Exception version
+** 1.2, included in the file GPL_EXCEPTION.txt in this package.
+**
+***************************************************************************/
+#include "qtscripthighlighter.h"
+
+namespace QtScriptEditor {
+namespace Internal {
+
+QtScriptHighlighter::QtScriptHighlighter(QTextDocument *parent) :
+ SharedTools::QScriptHighlighter(parent)
+{
+ m_currentBlockParentheses.reserve(20);
+ m_braceDepth = 0;
+}
+
+int QtScriptHighlighter::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 QtScriptHighlighter::onOpeningParenthesis(QChar parenthesis, int pos)
+{
+ if (parenthesis == QLatin1Char('{'))
+ ++m_braceDepth;
+ m_currentBlockParentheses.push_back(Parenthesis(Parenthesis::Opened, parenthesis, pos));
+}
+
+void QtScriptHighlighter::onClosingParenthesis(QChar parenthesis, int pos)
+{
+ if (parenthesis == QLatin1Char('}'))
+ --m_braceDepth;
+ m_currentBlockParentheses.push_back(Parenthesis(Parenthesis::Closed, parenthesis, pos));
+}
+
+void QtScriptHighlighter::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()) {
+ Q_ASSERT(blockData);
+ 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 QtScriptEditor