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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the test suite of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** 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.
**
** 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.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QCoreApplication>
#include <QFile>
#include <QtDebug>
#include <QXmlResultItems>
#include <QXmlNamePool>
#include "Global.h"
#include "qcommonsequencetypes_p.h"
#include "qdebug_p.h"
#include "qatomicstring_p.h"
#include "ExternalSourceLoader.h"
using namespace QPatternistSDK;
using namespace QPatternist;
ExternalSourceLoader::ExternalSourceLoader(const VariableMap &varMap,
const QPatternist::ResourceLoader::Ptr &r) : m_variableMap(varMap)
, m_resourceLoader(r)
, m_query(Global::namePoolAsPublic())
{
Q_ASSERT(m_resourceLoader);
}
QPatternist::SequenceType::Ptr
ExternalSourceLoader::announceExternalVariable(const QXmlName name,
const QPatternist::SequenceType::Ptr &declaredType)
{
pDebug() << "ExternalSourceLoader::announceExternalVariable()";
Q_ASSERT(!name.isNull());
Q_ASSERT(declaredType);
Q_UNUSED(declaredType); /* Needed when bulding in release mode. */
if(name.namespaceURI() == QPatternist::StandardNamespaces::empty)
{
const VariableValue variable(m_variableMap.value(Global::namePool()->stringForLocalName(name.localName())));
if(variable.first.isEmpty())
return QPatternist::SequenceType::Ptr();
else
{
/* If announceDocument() can't load a document for uriForVar, it will return
* null, which we will too, which is fine, since we can't supply a value for
* this variable then. */
if(variable.second == Document)
return m_resourceLoader->announceDocument(variable.first, QPatternist::ResourceLoader::WillUse);
else if(variable.second == URI)
{
return QPatternist::CommonSequenceTypes::ExactlyOneString;
}
else
{
/* The type is Query, and we don't pre-load
* them. No particular reason, just not worth it. */
return QPatternist::CommonSequenceTypes::ZeroOrMoreItems;
}
}
}
else
return QPatternist::SequenceType::Ptr();
}
QPatternist::Item
ExternalSourceLoader::evaluateSingleton(const QXmlName name,
const QPatternist::DynamicContext::Ptr &context)
{
Q_ASSERT(!name.isNull());
const VariableValue variable(m_variableMap.value(Global::namePool()->stringForLocalName(name.localName())));
if(variable.second == Document)
{
Q_ASSERT_X(QFile::exists(variable.first.toLocalFile()), Q_FUNC_INFO,
qPrintable(QString::fromLatin1("The file %1 doesn't exist").arg(variable.first.toLocalFile())));
Q_ASSERT_X(m_resourceLoader->openDocument(variable.first, context), Q_FUNC_INFO,
"We're supposed to have the value. If not, an error should have been issued at query compile time.");
return m_resourceLoader->openDocument(variable.first, context);
}
else if(variable.second == Query)
{
/* Well, here we open the file and execute it. */
m_query.setQuery(QUrl::fromLocalFile(variable.first.toLocalFile()));
Q_ASSERT(m_query.isValid());
QXmlResultItems result;
m_query.evaluateTo(&result);
return QPatternist::Item::fromPublic(result.next());
}
else
{
Q_ASSERT(variable.second == URI);
return QPatternist::AtomicString::fromValue(variable.first.toString());
}
}
// vim: et:ts=4:sw=4:sts=4
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