/****************************************************************************
**
** 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
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** 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
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****************************************************************************/

#pragma once

#include <qmljs/parser/qmljsastfwd_p.h>
#include <qmljs/qmljsdocument.h>

#include <QTextCursor>

namespace QmlJSEditor {
namespace Internal {

class QmlExpressionUnderCursor
{
public:
    QmlExpressionUnderCursor();

    QmlJS::AST::ExpressionNode * operator()(const QTextCursor &cursor);

    QmlJS::AST::ExpressionNode *expressionNode() const;

    int expressionOffset() const
    { return _expressionOffset; }

    int expressionLength() const
    { return _expressionLength; }

    QString text() const
    { return _text; }

private:
    void parseExpression(const QTextBlock &block);

    void tryExpression(const QString &text);

private:
    QmlJS::AST::ExpressionNode *_expressionNode;
    int _expressionOffset;
    int _expressionLength;
    QmlJS::Document::Ptr exprDoc;
    QString _text;
};

} // namespace Internal
} // namespace QmlJSEditor