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Diffstat (limited to 'src/xmlpatterns/schema/qnamespacesupport_p.h')
-rw-r--r-- | src/xmlpatterns/schema/qnamespacesupport_p.h | 143 |
1 files changed, 143 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..d338eae --- /dev/null +++ b/src/xmlpatterns/schema/qnamespacesupport_p.h @@ -0,0 +1,143 @@ +/**************************************************************************** +** +** Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (qt-info@nokia.com) +** +** This file is part of the $MODULE$ of the Qt Toolkit. +** +** $TROLLTECH_DUAL_LICENSE$ +** +****************************************************************************/ + +// +// 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 |