| /**************************************************************************** |
| ** |
| ** Copyright (C) 2016 The Qt Company Ltd. |
| ** Contact: https://www.qt.io/licensing/ |
| ** |
| ** This file is part of the QtXmlPatterns module of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:LGPL$ |
| ** Commercial License Usage |
| ** Licensees holding valid commercial Qt licenses may use this file in |
| ** accordance with the commercial license agreement provided with the |
| ** Software or, alternatively, in accordance with the terms contained in |
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| ** information use the contact form at https://www.qt.io/contact-us. |
| ** |
| ** GNU Lesser General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU Lesser |
| ** General Public License version 3 as published by the Free Software |
| ** Foundation and appearing in the file LICENSE.LGPL3 included in the |
| ** packaging of this file. Please review the following information to |
| ** ensure the GNU Lesser General Public License version 3 requirements |
| ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. |
| ** |
| ** GNU General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU |
| ** General Public License version 2.0 or (at your option) the GNU General |
| ** Public license version 3 or any later version approved by the KDE Free |
| ** Qt Foundation. The licenses are as published by the Free Software |
| ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 |
| ** included in the packaging of this file. Please review the following |
| ** information to ensure the GNU General Public License requirements will |
| ** be met: https://www.gnu.org/licenses/gpl-2.0.html and |
| ** https://www.gnu.org/licenses/gpl-3.0.html. |
| ** |
| ** $QT_END_LICENSE$ |
| ** |
| ****************************************************************************/ |
| |
| // |
| // 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_VARIABLELOADER_P_H |
| #define PATTERNIST_VARIABLELOADER_P_H |
| |
| #include <QtCore/QSet> |
| #include <QtXmlPatterns/QXmlQuery> |
| #include <QtDebug> |
| |
| #include <private/qdynamiccontext_p.h> |
| #include <private/qexternalvariableloader_p.h> |
| |
| QT_BEGIN_NAMESPACE |
| |
| namespace QPatternist |
| { |
| class VariableLoader : public ExternalVariableLoader |
| { |
| public: |
| typedef QHash<QXmlName, QVariant> BindingHash; |
| typedef QExplicitlySharedDataPointer<VariableLoader> Ptr; |
| |
| inline VariableLoader(const NamePool::Ptr &np, |
| const VariableLoader::Ptr &previousLoader = VariableLoader::Ptr()) : m_namePool(np) |
| , m_previousLoader(previousLoader) |
| |
| { |
| } |
| |
| QPatternist::SequenceType::Ptr announceExternalVariable(const QXmlName name, |
| const QPatternist::SequenceType::Ptr &declaredType) override; |
| QPatternist::Item::Iterator::Ptr evaluateSequence(const QXmlName name, |
| const QPatternist::DynamicContext::Ptr &) override; |
| |
| QPatternist::Item evaluateSingleton(const QXmlName name, |
| const QPatternist::DynamicContext::Ptr &) override; |
| |
| void removeBinding(const QXmlName &name); |
| bool hasBinding(const QXmlName &name) const; |
| QVariant valueFor(const QXmlName &name) const; |
| void addBinding(const QXmlName &name, |
| const QVariant &value); |
| |
| bool isSameType(const QVariant &v1, |
| const QVariant &v2) const; |
| |
| bool invalidationRequired(const QXmlName &name, |
| const QVariant &variant) const; |
| |
| private: |
| |
| inline QPatternist::Item itemForName(const QXmlName &name) const; |
| |
| const NamePool::Ptr m_namePool; |
| VariableLoader::Ptr m_previousLoader; |
| BindingHash m_bindingHash; |
| }; |
| } |
| |
| QT_END_NAMESPACE |
| |
| Q_DECLARE_METATYPE(QIODevice *) |
| Q_DECLARE_METATYPE(QXmlQuery) |
| |
| #endif |