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Diffstat (limited to 'src/xmlpatterns/schema/qnamespacesupport_p.h')
| -rw-r--r-- | src/xmlpatterns/schema/qnamespacesupport_p.h | 173 |
1 files changed, 173 insertions, 0 deletions
diff --git a/src/xmlpatterns/schema/qnamespacesupport_p.h b/src/xmlpatterns/schema/qnamespacesupport_p.h new file mode 100644 index 0000000..47c21a5 --- /dev/null +++ b/src/xmlpatterns/schema/qnamespacesupport_p.h @@ -0,0 +1,173 @@ +/**************************************************************************** +** +** Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the QtXmlPatterns 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 http://www.qtsoftware.com/contact. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +// +// 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_NamespaceSupport_H +#define Patternist_NamespaceSupport_H + +#include "qnamepool_p.h" + +#include <QtCore/QExplicitlySharedDataPointer> +#include <QtCore/QHash> +#include <QtCore/QSet> +#include <QtCore/QStack> +#include <QtCore/QXmlStreamNamespaceDeclarations> + +QT_BEGIN_HEADER + +QT_BEGIN_NAMESPACE + +namespace QPatternist +{ + /** + * @short A helper class for handling nested namespace declarations. + * + * This class is mostly an adaption of QXmlNamespaceSupport to the NamePool + * mechanism used in XmlPatterns. + * + * @ingroup Patternist_schema + * @author Tobias Koenig <tobias.koenig@trolltech.com> + */ + class NamespaceSupport + { + public: + /** + * Describes whether the name to process is an attribute or element. + */ + enum NameType + { + AttributeName, ///< An attribute name to process. + ElementName ///< An element name to process. + }; + + /** + * Creates an empty namespace support object. + */ + NamespaceSupport(); + + /** + * Creates a new namespace support object. + * + * @param namePool The name pool where all processed names are stored in. + */ + NamespaceSupport(const NamePool::Ptr &namePool); + + /** + * Adds a new prefix-to-namespace binding. + * + * @param prefixCode The name pool code for the prefix. + * @param namespaceCode The name pool code for the namespace. + */ + void setPrefix(const QXmlName::PrefixCode prefixCode, const QXmlName::NamespaceCode namespaceCode); + + /** + * Adds the prefix-to-namespace bindings from @p declarations to + * the namespace support. + */ + void setPrefixes(const QXmlStreamNamespaceDeclarations &declarations); + + /** + * Sets the name pool code of the target namespace of the schema the + * namespace support works on. + */ + void setTargetNamespace(const QXmlName::NamespaceCode code); + + /** + * Returns the prefix code for the given namespace @p code. + */ + QXmlName::PrefixCode prefix(const QXmlName::NamespaceCode code) const; + + /** + * Returns the namespace code for the given prefix @p code. + */ + QXmlName::NamespaceCode uri(const QXmlName::PrefixCode code) const; + + /** + * Converts the given @p qualifiedName to a resolved QXmlName @p name according + * to the current namespace mapping. + * + * @param qualifiedName The full qualified name. + * @param type The type of name processing. + * @param name The resolved QXmlName. + * + * @returns @c true if the name could be processed correctly or @c false if the + * namespace prefix is unknown. + */ + bool processName(const QString &qualifiedName, NameType type, QXmlName &name) const; + + /** + * Pushes the current namespace mapping onto the stack. + */ + void pushContext(); + + /** + * Pops the current namespace mapping from the stack. + */ + void popContext(); + + /** + * Returns the list of namespace bindings. + */ + QList<QXmlName> namespaceBindings() const; + + private: + typedef QHash<QXmlName::PrefixCode, QXmlName::NamespaceCode> NamespaceHash; + + NamePool::Ptr m_namePool; + QStack<NamespaceHash> m_nsStack; + NamespaceHash m_ns; + }; +} + +QT_END_NAMESPACE + +QT_END_HEADER + +#endif |