Qt 4.8
qcastableas_p.h
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41 
42 //
43 // W A R N I N G
44 // -------------
45 //
46 // This file is not part of the Qt API. It exists purely as an
47 // implementation detail. This header file may change from version to
48 // version without notice, or even be removed.
49 //
50 // We mean it.
51 
52 #ifndef Patternist_CastableAs_H
53 #define Patternist_CastableAs_H
54 
55 #include "qsinglecontainer_p.h"
56 #include "qcastingplatform_p.h"
57 
59 
61 
62 namespace QPatternist
63 {
64 
73  class CastableAs : public SingleContainer,
74  public CastingPlatform<CastableAs, false>
75  {
76  public:
77  CastableAs(const Expression::Ptr &operand,
79 
80  virtual bool evaluateEBV(const DynamicContext::Ptr &) const;
81 
88  virtual Expression::Ptr compress(const StaticContext::Ptr &context);
89  virtual Expression::Ptr typeCheck(const StaticContext::Ptr &context,
90  const SequenceType::Ptr &reqType);
91 
93  virtual SequenceType::Ptr staticType() const;
94 
95  virtual ExpressionVisitorResult::Ptr accept(const ExpressionVisitor::Ptr &visitor) const;
96 
97  inline ItemType::Ptr targetType() const
98  {
99  return m_targetType->itemType();
100  }
101 
102  private:
104  };
105 }
106 
108 
110 
111 #endif
#define QT_END_NAMESPACE
This macro expands to.
Definition: qglobal.h:90
virtual ExpressionVisitorResult::Ptr accept(const ExpressionVisitor::Ptr &visitor) const
virtual SequenceType::List expectedOperandTypes() const
#define QT_BEGIN_HEADER
Definition: qglobal.h:136
virtual bool evaluateEBV(const DynamicContext::Ptr &) const
Definition: qcastableas.cpp:65
Implements XPath 2.0&#39;s castable as expression.
Definition: qcastableas_p.h:73
virtual Expression::Ptr compress(const StaticContext::Ptr &context)
Definition: qcastableas.cpp:86
#define QT_BEGIN_NAMESPACE
This macro expands to.
Definition: qglobal.h:89
virtual Expression::Ptr typeCheck(const StaticContext::Ptr &context, const SequenceType::Ptr &reqType)
virtual SequenceType::Ptr staticType() const
The namespace for the internal API of QtXmlPatterns.
Provides casting functionality for classes, such as CastAs or NumberFN, which needs to perform castin...
const SequenceType::Ptr m_targetType
ItemType::Ptr targetType() const
Definition: qcastableas_p.h:97
CastableAs(const Expression::Ptr &operand, const SequenceType::Ptr &targetType)
Definition: qcastableas.cpp:56
#define QT_END_HEADER
Definition: qglobal.h:137
The QList class is a template class that provides lists.
Definition: qdatastream.h:62
Base class for expressions that has exactly one operand.