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| ** Copyright (C) 2016 The Qt Company Ltd. |
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| ** This file is part of the QtXmlPatterns module of the Qt Toolkit. |
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| ** Alternatively, this file may be used under the terms of the GNU |
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| |
| // |
| // 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_StaticNamespacesContainer_H |
| #define Patternist_StaticNamespacesContainer_H |
| |
| #include <private/qfunctioncall_p.h> |
| |
| QT_BEGIN_NAMESPACE |
| |
| namespace QPatternist |
| { |
| /** |
| * @short A helper subclass that stores a NamespaceResolver for the static |
| * namespaces. |
| * |
| * This is used by functionality which needs to resolve names against the |
| * statically known namespaces, at runtime. A good example of this is @c |
| * function-available(). |
| * |
| * The resolver is accessed through staticNamespaces(), which will be |
| * available after the typeCheck() stage. |
| * |
| * This class must be subclassed. |
| * |
| * @author Frans Englich <frans.englich@nokia.com> |
| * @ingroup Patternist_functions |
| */ |
| class StaticNamespacesContainer : public FunctionCall |
| { |
| public: |
| /** |
| * Reimplemented to store data from the @p context. |
| */ |
| virtual Expression::Ptr typeCheck(const StaticContext::Ptr &context, |
| const SequenceType::Ptr &reqType); |
| |
| protected: |
| /** |
| * Before typeCheck(), behavior of this function is undefined. After |
| * typeCheck(), this function guarantees to return a valid pointer. |
| */ |
| inline const NamespaceResolver::Ptr &staticNamespaces() const |
| { |
| Q_ASSERT(m_resolver); |
| return m_resolver; |
| } |
| |
| /** |
| * This constructor only exists to ensure this class is subclassed. |
| */ |
| inline StaticNamespacesContainer() |
| { |
| } |
| |
| private: |
| NamespaceResolver::Ptr m_resolver; |
| }; |
| } |
| |
| QT_END_NAMESPACE |
| |
| #endif |