--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/xmlpatterns/acceltree/qacceltreeresourceloader_p.h Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,210 @@
+/****************************************************************************
+**
+** 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 QtXmlPatterns module 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.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+//
+// W A R N I N G
+// -------------
+//
+// This file is not part of the Qt API. It exists purely as an
+// implementation detail. This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+
+#ifndef Patternist_AccelTreeResourceLoader_H
+#define Patternist_AccelTreeResourceLoader_H
+
+#include <QtCore/QEventLoop>
+#include <QtNetwork/QNetworkReply>
+
+#include "qabstractxmlreceiver.h"
+#include "qacceltree_p.h"
+#include "qacceltreebuilder_p.h"
+#include "qdeviceresourceloader_p.h"
+#include "qnamepool_p.h"
+#include "qnetworkaccessdelegator_p.h"
+#include "qreportcontext_p.h"
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+class QIODevice;
+
+namespace QPatternist
+{
+ /**
+ * @short An helper class which enables QNetworkAccessManager
+ * to be used in a blocking manner.
+ *
+ * @see AccelTreeResourceLoader::load()
+ * @author Frans Englich <frans.englich@nokia.com>
+ */
+ class NetworkLoop : public QEventLoop
+ {
+ Q_OBJECT
+ public:
+ NetworkLoop() : m_hasReceivedError(false)
+ {
+ }
+
+ public Q_SLOTS:
+ void error(QNetworkReply::NetworkError code)
+ {
+ Q_UNUSED(code);
+ m_hasReceivedError = true;
+ exit(1);
+ }
+
+ void finished()
+ {
+ if(m_hasReceivedError)
+ exit(1);
+ else
+ exit(0);
+ }
+ private:
+ bool m_hasReceivedError;
+ };
+
+ /**
+ * @short Handles requests for documents, and instantiates
+ * them as AccelTree instances.
+ *
+ * @author Frans Englich <frans.englich@nokia.com>
+ */
+ class Q_AUTOTEST_EXPORT AccelTreeResourceLoader : public DeviceResourceLoader
+ {
+ public:
+ /**
+ * Describes the behaviour of the resource loader in case of an
+ * error.
+ */
+ enum ErrorHandling
+ {
+ FailOnError, ///< The resource loader will report the error via the report context.
+ ContinueOnError ///< The resource loader will report no error and return an empty QNetworkReply.
+ };
+
+ /**
+ * AccelTreeResourceLoader does not own @p context.
+ */
+ AccelTreeResourceLoader(const NamePool::Ptr &np,
+ const NetworkAccessDelegator::Ptr &networkDelegator, AccelTreeBuilder<true>::Features = AccelTreeBuilder<true>::NoneFeature);
+
+ virtual Item openDocument(const QUrl &uri,
+ const ReportContext::Ptr &context);
+ virtual Item openDocument(QIODevice *source, const QUrl &documentUri,
+ const ReportContext::Ptr &context);
+ virtual SequenceType::Ptr announceDocument(const QUrl &uri, const Usage usageHint);
+ virtual bool isDocumentAvailable(const QUrl &uri);
+
+ virtual bool isUnparsedTextAvailable(const QUrl &uri,
+ const QString &encoding);
+
+ virtual Item openUnparsedText(const QUrl &uri,
+ const QString &encoding,
+ const ReportContext::Ptr &context,
+ const SourceLocationReflection *const where);
+
+ /**
+ * @short Helper function that do NetworkAccessDelegator::get(), but
+ * does it blocked.
+ *
+ * The returned QNetworkReply has emitted QNetworkReply::finished().
+ *
+ * The caller owns the return QIODevice instance.
+ *
+ * @p context may be @c null or valid. If @c null, no error reporting
+ * is done and @c null is returned.
+ *
+ * @see NetworkAccessDelegator
+ */
+ static QNetworkReply *load(const QUrl &uri,
+ QNetworkAccessManager *const networkManager,
+ const ReportContext::Ptr &context, ErrorHandling handling = FailOnError);
+
+ /**
+ * @overload
+ */
+ static QNetworkReply *load(const QUrl &uri,
+ const NetworkAccessDelegator::Ptr &networkDelegator,
+ const ReportContext::Ptr &context, ErrorHandling handling = FailOnError);
+
+ /**
+ * @short Returns the URIs this AccelTreeResourceLoader has loaded
+ * which are for devices through variable bindings.
+ */
+ virtual QSet<QUrl> deviceURIs() const;
+
+ virtual void clear(const QUrl &uri);
+
+ private:
+ static bool streamToReceiver(QIODevice *const dev,
+ AccelTreeBuilder<true> *const receiver,
+ const NamePool::Ptr &np,
+ const ReportContext::Ptr &context,
+ const QUrl &uri);
+ bool retrieveDocument(const QUrl &uri,
+ const ReportContext::Ptr &context);
+ bool retrieveDocument(QIODevice *source, const QUrl &documentUri,
+ const ReportContext::Ptr &context);
+ /**
+ * If @p context is @c null, no error reporting should be done.
+ */
+ bool retrieveUnparsedText(const QUrl &uri,
+ const QString &encoding,
+ const ReportContext::Ptr &context,
+ const SourceLocationReflection *const where);
+
+ QHash<QUrl, AccelTree::Ptr> m_loadedDocuments;
+ const NamePool::Ptr m_namePool;
+ const NetworkAccessDelegator::Ptr m_networkAccessDelegator;
+ QHash<QPair<QUrl, QString>, QString> m_unparsedTexts;
+ AccelTreeBuilder<true>::Features m_features;
+ };
+}
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif