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Diffstat (limited to 'src/xmlpatterns/expr/qtemplatepattern_p.h')
| -rw-r--r-- | src/xmlpatterns/expr/qtemplatepattern_p.h | 161 |
1 files changed, 161 insertions, 0 deletions
diff --git a/src/xmlpatterns/expr/qtemplatepattern_p.h b/src/xmlpatterns/expr/qtemplatepattern_p.h new file mode 100644 index 0000000000..6ea98669db --- /dev/null +++ b/src/xmlpatterns/expr/qtemplatepattern_p.h @@ -0,0 +1,161 @@ +/**************************************************************************** +** +** 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_TemplatePattern_H +#define Patternist_TemplatePattern_H + +#include "qtemplate_p.h" + +QT_BEGIN_HEADER +QT_BEGIN_NAMESPACE + +namespace QPatternist +{ + /** + * @short Houses the data necessary for a template pattern. + * + * A template pattern is the match pattern, but have had each operand to @c + * | separated out into a separate TemplatePattern. For instance, the + * pattern <tt>a | b | c</tt>, becomes three separate TemplatePattern + * instances. + * + * @see TemplateMode + * @see Template + * @author Frans Englich <fenglich@trolltech.com> + * @ingroup Patternist_expressions + * @since 4.5 + */ + class TemplatePattern : public QSharedData + { + public: + typedef QExplicitlySharedDataPointer<TemplatePattern> Ptr; + typedef QVector<Ptr> Vector; + typedef int ID; + + inline TemplatePattern(const Expression::Ptr &matchPattern, + const PatternPriority pri, + const ID id, + const Template::Ptr templ); + + inline PatternPriority priority() const; + inline const Expression::Ptr &matchPattern() const; + inline void setMatchPattern(const Expression::Ptr &pattern); + inline const Template::Ptr &templateTarget() const; + inline ID id() const; + + /** + * This ID is used to ensure that, as 6.4 Conflict Resolution for + * Template Rules reads: + * + * "If the pattern contains multiple alternatives separated by |, then + * the template rule is treated equivalently to a set of template + * rules, one for each alternative. However, it is not an error if a + * node matches more than one of the alternatives." + * + * For patterns separated by @c |, we have one Template instance for + * each alternative, but they all have the same ID, hence if several + * alternatives match, we don't flag it as an error if they have the + * same ID. + */ + private: + Expression::Ptr m_matchPattern; + PatternPriority m_priority; + ID m_id; + Template::Ptr m_templateTarget; + Q_DISABLE_COPY(TemplatePattern) + }; + + TemplatePattern::TemplatePattern(const Expression::Ptr &matchPattern, + const PatternPriority pri, + const ID id, + const Template::Ptr templ) : m_matchPattern(matchPattern) + , m_priority(pri) + , m_id(id) + , m_templateTarget(templ) + + { + Q_ASSERT(m_matchPattern); + Q_ASSERT(m_templateTarget); + } + + const Expression::Ptr &TemplatePattern::matchPattern() const + { + return m_matchPattern; + } + + void TemplatePattern::setMatchPattern(const Expression::Ptr &pattern) + { + m_matchPattern = pattern; + } + + PatternPriority TemplatePattern::priority() const + { + return m_priority; + } + + TemplatePattern::ID TemplatePattern::id() const + { + return m_id; + } + + const Template::Ptr &TemplatePattern::templateTarget() const + { + return m_templateTarget; + } + +} + +QT_END_NAMESPACE + +QT_END_HEADER + +#endif + |