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Diffstat (limited to 'src/xmlpatterns/expr/qapplytemplate_p.h')
| -rw-r--r-- | src/xmlpatterns/expr/qapplytemplate_p.h | 144 |
1 files changed, 144 insertions, 0 deletions
diff --git a/src/xmlpatterns/expr/qapplytemplate_p.h b/src/xmlpatterns/expr/qapplytemplate_p.h new file mode 100644 index 0000000000..ef2424c4f6 --- /dev/null +++ b/src/xmlpatterns/expr/qapplytemplate_p.h @@ -0,0 +1,144 @@ +/**************************************************************************** +** +** 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 Patternist_ApplyTemplate_H +#define Patternist_ApplyTemplate_H + +#include "qtemplatemode_p.h" + +QT_BEGIN_HEADER +QT_BEGIN_NAMESPACE + +namespace QPatternist +{ + /** + * @short When combined with other components, implements + * @c xsl:apply-templates. + * + * Note that ApplyTemplate isn't named ApplyTemplates. The reason for this + * is that ApplyTemplate doesn't do the iteration part. An @c + * <xsl:apply-templates/> instruction is rewritten into: + * + * @code + * child::node/() map apply-template() + * @endcode + * + * Hence, this expression requires a focus, although it can consist of + * atomic values. + * + * @since 4.5 + * @author Frans Englich <fenglich@trolltech.com> + * @ingroup Patternist_expressions + */ + class ApplyTemplate : public TemplateInvoker + { + public: + typedef QExplicitlySharedDataPointer<ApplyTemplate> Ptr; + + /** + * @short @p mode may be @c null. If it is, ApplyTemplate interprets + * that as that it should use the #current mode. + * + * @see StaticContext::currentTemplateMode() + */ + ApplyTemplate(const TemplateMode::Ptr &mode, + const WithParam::Hash &withParams, + const TemplateMode::Ptr &defaultMode); + + virtual Item::Iterator::Ptr evaluateSequence(const DynamicContext::Ptr &context) const; + + virtual SequenceType::Ptr staticType() const; + virtual ExpressionVisitorResult::Ptr accept(const ExpressionVisitor::Ptr &visitor) const; + virtual Properties properties() const; + + /** + * The only reason this function exists, is in order to convert + * QXmlNodeModelIndex to QPatternist::Item. So, this is a huge + * performance setback. It applies for one of the builtin templates. + */ + inline Item mapToItem(const QXmlNodeModelIndex &node, + const DynamicContext::Ptr &context) const; + inline Item::Iterator::Ptr mapToSequence(const Item &item, + const DynamicContext::Ptr &context) const; + + inline TemplateMode::Ptr mode() const; + + virtual bool configureRecursion(const CallTargetDescription::Ptr &sign); + virtual Expression::Ptr body() const; + virtual CallTargetDescription::Ptr callTargetDescription() const; + + Expression::Ptr compress(const StaticContext::Ptr &context); + + private: + typedef QExplicitlySharedDataPointer<const ApplyTemplate> ConstPtr; + + Template::Ptr findTemplate(const DynamicContext::Ptr &context, + const TemplateMode::Ptr &templateMode) const; + /** + * @note You typically want to use effectiveMode(). + */ + const TemplateMode::Ptr m_mode; + + TemplateMode::Ptr m_defaultMode; + + inline TemplateMode::Ptr effectiveMode(const DynamicContext::Ptr &context) const; + }; + + TemplateMode::Ptr ApplyTemplate::mode() const + { + return m_mode; + } +} + +QT_END_NAMESPACE +QT_END_HEADER + +#endif |