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Diffstat (limited to 'src/xmlpatterns/api/qresourcedelegator_p.h')
| -rw-r--r-- | src/xmlpatterns/api/qresourcedelegator_p.h | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/src/xmlpatterns/api/qresourcedelegator_p.h b/src/xmlpatterns/api/qresourcedelegator_p.h new file mode 100644 index 0000000..d0f832e --- /dev/null +++ b/src/xmlpatterns/api/qresourcedelegator_p.h @@ -0,0 +1,119 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (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 either Technology Preview License Agreement or the +** Beta Release License Agreement. +** +** 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 1.0, 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. +** +** If you are unsure which license is appropriate for your use, please +** contact the sales department at qt-sales@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 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 <fenglich@trolltech.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 |