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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_TemplatePattern_H |
| #define Patternist_TemplatePattern_H |
| |
| #include <private/qtemplate_p.h> |
| |
| 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 <frans.englich@nokia.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 |
| |
| #endif |
| |