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/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Nokia Corporation (info@qt.nokia.com)
**
**
** GNU Lesser General Public License Usage
**
** 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.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** Other Usage
**
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**************************************************************************/
#include "firstdefinitionfinder.h"
#include <qmljs/parser/qmljsast_p.h>
using namespace QmlJS;
using namespace QmlDesigner;
using namespace QmlJS::AST;
FirstDefinitionFinder::FirstDefinitionFinder(const QString &text):
m_doc(Document::create("<internal>"))
{
m_doc->setSource(text);
bool ok = m_doc->parseQml();
Q_ASSERT(ok);
}
/*!
\brief Finds the first object definition inside the object given by offset
\arg the offset of the object to search in
\return the offset of the first object definition
*/
quint32 FirstDefinitionFinder::operator()(quint32 offset)
{
m_offset = offset;
m_firstObjectDefinition = 0;
Node::accept(m_doc->qmlProgram(), this);
return m_firstObjectDefinition->firstSourceLocation().offset;
}
void FirstDefinitionFinder::extractFirstObjectDefinition(UiObjectInitializer* ast)
{
if (!ast)
return;
for (UiObjectMemberList *iter = ast->members; iter; iter = iter->next) {
if (UiObjectDefinition *def = cast<UiObjectDefinition*>(iter->member)) {
m_firstObjectDefinition = def;
}
}
}
bool FirstDefinitionFinder::visit(QmlJS::AST::UiObjectBinding *ast)
{
if (ast->qualifiedTypeNameId && ast->qualifiedTypeNameId->identifierToken.isValid()) {
const quint32 start = ast->qualifiedTypeNameId->identifierToken.offset;
if (start == m_offset) {
extractFirstObjectDefinition(ast->initializer);
return false;
}
}
return true;
}
bool FirstDefinitionFinder::visit(QmlJS::AST::UiObjectDefinition *ast)
{
const quint32 start = ast->firstSourceLocation().offset;
if (start == m_offset) {
extractFirstObjectDefinition(ast->initializer);
return false;
}
return true;
}
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