| /**************************************************************************** |
| ** |
| ** Copyright (C) 2011 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. |
| ** |
| ** $QT_BEGIN_LICENSE:LGPL$ |
| ** GNU Lesser General Public License Usage |
| ** 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. |
| ** |
| ** 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. |
| ** |
| ** Other Usage |
| ** Alternatively, this file may be used in accordance with the terms and |
| ** conditions contained in a signed written agreement between you and Nokia. |
| ** |
| ** |
| ** |
| ** |
| ** |
| ** $QT_END_LICENSE$ |
| ** |
| ****************************************************************************/ |
| |
| // |
| // 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 QPatternist_ResourceDelegator_p_H |
| #define QPatternist_ResourceDelegator_p_H |
| |
| #include <QSet> |
| #include <QUrl> |
| |
| #include "qdeviceresourceloader_p.h" |
| |
| QT_BEGIN_HEADER |
| QT_BEGIN_NAMESPACE |
| |
| namespace QPatternist |
| { |
| /** |
| * @short Delegates to another ResourceLoader, but in case a URI is in an |
| * exception list, it delegates to a different loader. |
| * |
| * This is used for handling device variables, since when a device variable |
| * is rebound, a resource loader needs to carry that binding, while the |
| * resource loader for the other query remains as is. |
| * |
| * @since 4.5 |
| * @author Frans Englich <frans.englich@nokia.com> |
| */ |
| class ResourceDelegator : public DeviceResourceLoader |
| { |
| public: |
| ResourceDelegator(const QSet<QUrl> &needsOverride, |
| const ResourceLoader::Ptr &parentLoader, |
| const ResourceLoader::Ptr &forDeviceLoader) : m_needsOverride(needsOverride) |
| , m_parentLoader(parentLoader) |
| , m_forDeviceLoader(forDeviceLoader) |
| |
| { |
| Q_ASSERT(m_parentLoader); |
| } |
| |
| virtual bool isUnparsedTextAvailable(const QUrl &uri, |
| const QString &encoding); |
| virtual ItemType::Ptr announceUnparsedText(const QUrl &uri); |
| virtual Item openUnparsedText(const QUrl &uri, |
| const QString &encoding, |
| const ReportContext::Ptr &context, |
| const SourceLocationReflection *const where); |
| virtual Item openDocument(const QUrl &uri, |
| const ReportContext::Ptr &context); |
| virtual SequenceType::Ptr announceDocument(const QUrl &uri, const Usage usageHint); |
| virtual bool isDocumentAvailable(const QUrl &uri); |
| virtual Item::Iterator::Ptr openCollection(const QUrl &uri); |
| virtual SequenceType::Ptr announceCollection(const QUrl &uri); |
| |
| /** |
| * Returns the union of the deviceURIs() that ResourceDelegator's two |
| * resource loaders has. |
| */ |
| virtual QSet<QUrl> deviceURIs() const; |
| |
| private: |
| const QSet<QUrl> m_needsOverride; |
| const ResourceLoader::Ptr m_parentLoader; |
| const ResourceDelegator::Ptr m_forDeviceLoader; |
| }; |
| } |
| |
| QT_END_NAMESPACE |
| QT_END_HEADER |
| |
| #endif |