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/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the test suite of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** 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
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** 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 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** As a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef PatternistSDK_ExternalSourceLoader_H
#define PatternistSDK_ExternalSourceLoader_H
#include <QHash>
#include <QUrl>
#include <QXmlQuery>
#include <private/qdynamiccontext_p.h>
#include <private/qresourceloader_p.h>
#include <private/qexternalvariableloader_p.h>
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
#endif
// vim: et:ts=4:sw=4:sts=4
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