Initial import

src/libs/cplusplus/ExpressionUnderCursor.h

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+/***************************************************************************
+**
+** 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.  
+** 
+***************************************************************************/
+#ifndef EXPRESSIONUNDERCURSOR_H
+#define EXPRESSIONUNDERCURSOR_H
+
+#include "CPlusPlusForwardDeclarations.h"
+#include <QList>
+
+QT_BEGIN_NAMESPACE
+class QString;
+class QTextCursor;
+class QTextBlock;
+QT_END_NAMESPACE
+
+namespace CPlusPlus {
+
+class SimpleToken;
+
+class CPLUSPLUS_EXPORT ExpressionUnderCursor
+{
+public:
+    ExpressionUnderCursor();
+    ~ExpressionUnderCursor();
+
+    QString operator()(const QTextCursor &cursor);
+
+private:
+    int startOfMatchingBrace(const QList<SimpleToken> &tk, int index);
+    int startOfExpression(const QList<SimpleToken> &tk, int index);
+    int previousBlockState(const QTextBlock &block);
+    bool isAccessToken(const SimpleToken &tk);
+
+    bool _jumpedComma;
+};
+
+} // namespace CPlusPlus
+
+#endif // EXPRESSIONUNDERCURSOR_H