Qt 4.8
quntypedatomicconverter_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_UntypedAtomicConverter_H
53 #define Patternist_UntypedAtomicConverter_H
54 
55 #include "qitem_p.h"
56 #include "qsinglecontainer_p.h"
57 #include "qcastingplatform_p.h"
58 
60 
62 
63 namespace QPatternist
64 {
81  public CastingPlatform<UntypedAtomicConverter, true>
82  {
83  public:
85  const ItemType::Ptr &reqType,
87 
88  virtual Item evaluateSingleton(const DynamicContext::Ptr &) const;
90 
91  virtual SequenceType::Ptr staticType() const;
93 
94  virtual ExpressionVisitorResult::Ptr accept(const ExpressionVisitor::Ptr &visitor) const;
95 
99  virtual Expression::Ptr typeCheck(const StaticContext::Ptr &context,
100  const SequenceType::Ptr &reqType);
101 
102  inline Item mapToItem(const Item &item,
103  const DynamicContext::Ptr &context) const;
104 
105  inline ItemType::Ptr targetType() const
106  {
107  return m_reqType;
108  }
109 
110  virtual const SourceLocationReflection *actualReflection() const;
111 
112  private:
115  };
116 
118  {
119  return cast(item, context);
120  }
121 }
122 
124 
126 
127 #endif
Item cast(const Item &sourceValue, const ReportContext::Ptr &context) const
#define QT_END_NAMESPACE
This macro expands to.
Definition: qglobal.h:90
#define QT_BEGIN_HEADER
Definition: qglobal.h:136
QExplicitlySharedDataPointer< const UntypedAtomicConverter > ConstPtr
virtual const SourceLocationReflection * actualReflection() const
Returns this.
Due to strong interdependencies, this file contains the definitions for the classes Item...
Item mapToItem(const Item &item, const DynamicContext::Ptr &context) const
#define QT_BEGIN_NAMESPACE
This macro expands to.
Definition: qglobal.h:89
The namespace for the internal API of QtXmlPatterns.
virtual SequenceType::List expectedOperandTypes() const
Provides casting functionality for classes, such as CastAs or NumberFN, which needs to perform castin...
virtual ExpressionVisitorResult::Ptr accept(const ExpressionVisitor::Ptr &visitor) const
Represents an item in the XPath 2.0 Data Model.
Definition: qitem_p.h:182
UntypedAtomicConverter(const Expression::Ptr &operand, const ItemType::Ptr &reqType, const ReportContext::ErrorCode code=ReportContext::FORG0001)
virtual SequenceType::Ptr staticType() const
Casts every item in a sequence obtained from evaluating an Expression, to a requested atomic type...
virtual Item::Iterator::Ptr evaluateSequence(const DynamicContext::Ptr &) const
virtual Expression::Ptr typeCheck(const StaticContext::Ptr &context, const SequenceType::Ptr &reqType)
#define QT_END_HEADER
Definition: qglobal.h:137
virtual Item evaluateSingleton(const DynamicContext::Ptr &) const
The QList class is a template class that provides lists.
Definition: qdatastream.h:62
Base class for all instances that represents something at a certain location.
Base class for expressions that has exactly one operand.