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#ifndef PatternistSDK_XSLTTestSuiteHandler_H

#define PatternistSDK_XSLTTestSuiteHandler_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;

    class TestGroup;

    /**

     * @short Creates a TestSuite from the XQuery Test Suite catalog.

     *

     * The created TestSuite can be retrieved via testSuite().

     *

     * @note XSLTTestSuiteHandler assumes the XML is valid by having been validated

     * against the W3C XML Schema. It has 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.

     *

     * @see http://www.w3.org/XML/Group/xslt20-test/TestSuiteStagingArea/catalog.html

     * @see http://www.w3.org/XML/Group/xslt20-test/Documentation/XSLT2Test.htm

     * @ingroup PatternistSDK

     * @author Frans Englich <frans.englich@nokia.com>

     */

    class Q_PATTERNISTSDK_EXPORT XSLTTestSuiteHandler : 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

         */

        XSLTTestSuiteHandler(const QUrl &catalogFile);

        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 TestSuite *testSuite() const;

    private:

        TestGroup *containerFor(const QString &name);

        QHash<QString, TestGroup *>         m_containers;

        TestSuite *                         m_ts;

        XQTSTestCase *                      m_tc;

        TestBaseLine *                      m_baseLine;

        QString                             m_ch;

        const QUrl                          m_catalogFile;

        /**

         * 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.

         */

        QStack<QString>                     m_testGroupName;

        /**

         * Holds the content of the current <tt>input-URI</tt> element.

         */

        QString                             m_inputURI;

        QString                             m_contextItemSource;

        QString                             m_currentCategory;

        bool                                m_removeTestcase;

    };

}

QT_END_NAMESPACE

QT_END_HEADER

#endif

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