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/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the test suite of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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 Digia.  For licensing terms and
** conditions see http://qt.digia.com/licensing.  For further information
** use the contact form at http://qt.digia.com/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 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, Digia gives you certain additional
** rights.  These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef PatternistSDK_TestSuiteHandler_H
#define PatternistSDK_TestSuiteHandler_H

#include <QStack>
#include <QUrl>
#include <QXmlDefaultHandler>

#include "ExternalSourceLoader.h"
#include "TestSuite.h"
#include "XQTSTestCase.h"

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

namespace QPatternistSDK
{
    class TestBaseLine;

    /**
     * @short Creates a TestSuite from the XQuery Test Suite catalog,
     * represented as a SAX stream.
     *
     * The created TestSuite can be retrieved via testSuite().
     *
     * @note TestSuiteHandler assumes the XML is valid by having been validated
     * against the W3C XML Schema. It have no safety checks for that the XML format
     * is correct but is hard coded for it. Thus, the behavior is undefined if
     * the XML is invalid.
     *
     * @ingroup PatternistSDK
     * @author Frans Englich <frans.englich@nokia.com>
     */
    class Q_PATTERNISTSDK_EXPORT TestSuiteHandler : public QXmlDefaultHandler
    {
    public:
        /**
         * @param catalogFile the URI for the catalog file being parsed. This
         * URI is used for creating absolute URIs for files mentioned in
         * the catalog with relative URIs.
         * @param useExclusionList whether excludeTestGroups.txt should be used to ignore
         * test groups when loading
         */
        TestSuiteHandler(const QUrl &catalogFile,
                         const bool useExclusionList);
        virtual bool characters(const QString &ch);

        virtual bool endElement(const QString &namespaceURI,
                                const QString &localName,
                                const QString &qName);
        virtual bool startElement(const QString &namespaceURI,
                                  const QString &localName,
                                  const QString &qName,
                                  const QXmlAttributes &atts);

        virtual bool resolveEntity(const QString& publicId,
                                   const QString& systemId,
                                   QXmlInputSource*& ret);

        virtual TestSuite *testSuite() const;

    private:
        QStringList readExclusionList(const bool useExclusionList) const;

        TestSuite *                         m_ts;
        TestContainer *                     m_container;
        XQTSTestCase *                      m_tc;
        TestBaseLine *                      m_baseLine;
        QString                             m_ch;
        const QUrl                          m_catalogFile;

        /**
         * The extension of XQuery files. For example, ".xq"
         */
        QString                             m_xqueryFileExtension;

        /**
         * The base URI for where the XQuery query files are found.
         * It is absolute, resolved against catalogFile.
         */
        QUrl                                m_queryOffset;

        QUrl                                m_baselineOffset;
        QUrl                                m_sourceOffset;
        QUrl                                m_currentQueryPath;
        QUrl                                m_currentBaselinePath;

        /**
         * 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 files.
         */
        ExternalSourceLoader::SourceMap     m_sourceMap;

        ExternalSourceLoader::VariableMap   m_tcSourceInputs;

        QPatternist::ResourceLoader::Ptr     m_resourceLoader;

        /**
         * The current value of <tt>input-file/\@variable/</tt>.
         */
        QString                             m_currentInputVariable;

        /**
         * The names of the test groups we're excluding.
         */
        const QStringList                   m_exclusionList;

        /**
         * This is set when we're inside a test-group that we're excluding.
         */
        bool                                m_isExcluding;

        /**
         * The names of the test groups.
         */
        QStack<QString>                     m_testGroupName;

        /**
         * Holds the content of the current <tt>input-URI</tt> element.
         */
        QString                             m_inputURI;
        QString                             m_contextItemSource;
    };
}

QT_END_NAMESPACE

QT_END_HEADER

#endif
// vim: et:ts=4:sw=4:sts=4