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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.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef PatternistSDK_ExternalSourceLoader_H
#define PatternistSDK_ExternalSourceLoader_H
#include <QHash>
#include <QUrl>
#include <QXmlQuery>
#include "qdynamiccontext_p.h"
#include "qresourceloader_p.h"
#include "qexternalvariableloader_p.h"
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
namespace QPatternistSDK
{
/**
* @short Handles external variables in XQTS queries, such as <tt>$input-context</tt>,
* by loading appropriate XML source files.
*
* @ingroup PatternistSDK
* @author Frans Englich <frans.englich@nokia.com>
*/
class Q_PATTERNISTSDK_EXPORT ExternalSourceLoader : public QPatternist::ExternalVariableLoader
{
public:
enum TargetOfURI
{
/**
* Identifies @c input-file.
*/
Document,
/**
* Identifies @c input-URI.
*/
URI,
/**
* Identifies @c input-query.
*/
Query
};
/**
* The first is the complete, absolute, final URI to the file to be loaded,
* and the second is the type of source found at that URI.
*/
typedef QPair<QUrl, TargetOfURI> VariableValue;
/**
* In the XQTSCatalog.xml each source file in each test is referred to
* by a key, which can be fully looked up in the @c sources element. This QHash
* maps the keys to absolute URIs pointing to the source file.
*/
typedef QHash<QString, QUrl> SourceMap;
/**
* The first value is the variable name, and the second is the URI identifying
* the XML source file that's supposed to be loaded as a document.
*
* This is one for every test case, except for @c rdb-queries-results-q5,
* @c rdb-queries-results-q17 and @c rdb-queries-results-q18(at least in XQTS 1.0).
*/
typedef QHash<QString, VariableValue> VariableMap;
ExternalSourceLoader(const VariableMap &varMap,
const QPatternist::ResourceLoader::Ptr &resourceLoader);
virtual QPatternist::SequenceType::Ptr
announceExternalVariable(const QXmlName name,
const QPatternist::SequenceType::Ptr &declaredType);
virtual QPatternist::Item
evaluateSingleton(const QXmlName name,
const QPatternist::DynamicContext::Ptr &context);
VariableMap variableMap() const
{
return m_variableMap;
}
private:
const VariableMap m_variableMap;
const QPatternist::ResourceLoader::Ptr m_resourceLoader;
QXmlQuery m_query;
};
}
QT_END_NAMESPACE
QT_END_HEADER
#endif
// vim: et:ts=4:sw=4:sts=4
|
