Qt 4.8
qforclause_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_ForClause_H
53 #define Patternist_ForClause_H
54 
55 #include "qpaircontainer_p.h"
56 
58 
60 
61 namespace QPatternist
62 {
63 
72  class ForClause : public PairContainer
73  {
74  public:
78  ForClause(const VariableSlotID varSlot,
79  const Expression::Ptr &bindingSequence,
80  const Expression::Ptr &returnExpression,
81  const VariableSlotID positionSlot);
82 
83  virtual Item::Iterator::Ptr evaluateSequence(const DynamicContext::Ptr &context) const;
84  virtual Item evaluateSingleton(const DynamicContext::Ptr &context) const;
85  virtual void evaluateToSequenceReceiver(const DynamicContext::Ptr &context) const;
86 
87  virtual SequenceType::Ptr staticType() const;
89  virtual Expression::Ptr typeCheck(const StaticContext::Ptr &context,
90  const SequenceType::Ptr &reqType);
91  virtual ExpressionVisitorResult::Ptr accept(const ExpressionVisitor::Ptr &visitor) const;
93 
94  inline Item mapToItem(const Item &item,
95  const DynamicContext::Ptr &context) const;
96  virtual ID id() const;
97  inline Item::Iterator::Ptr mapToSequence(const Item &item,
98  const DynamicContext::Ptr &context) const;
99 
103  virtual Expression::Ptr compress(const StaticContext::Ptr &context);
104 
105  private:
106  inline void riggPositionalVariable(const DynamicContext::Ptr &context,
107  const Item::Iterator::Ptr &source) const;
115  };
116 }
117 
119 
121 
122 #endif
qint32 VariableSlotID
const VariableSlotID m_positionSlot
Definition: qforclause_p.h:110
#define QT_END_NAMESPACE
This macro expands to.
Definition: qglobal.h:90
#define QT_BEGIN_HEADER
Definition: qglobal.h:136
const VariableSlotID m_varSlot
Definition: qforclause_p.h:109
Implements XPath 2.0's for expression.
Definition: qforclause_p.h:72
virtual Item evaluateSingleton(const DynamicContext::Ptr &context) const
Definition: qforclause.cpp:107
#define QT_BEGIN_NAMESPACE
This macro expands to.
Definition: qglobal.h:89
virtual ExpressionVisitorResult::Ptr accept(const ExpressionVisitor::Ptr &visitor) const
Definition: qforclause.cpp:185
virtual SequenceType::Ptr staticType() const
Definition: qforclause.cpp:167
The namespace for the internal API of QtXmlPatterns.
virtual QList< QExplicitlySharedDataPointer< OptimizationPass > > optimizationPasses() const
Definition: qforclause.cpp:190
virtual SequenceType::List expectedOperandTypes() const
Definition: qforclause.cpp:177
Item mapToItem(const Item &item, const DynamicContext::Ptr &context) const
Definition: qforclause.cpp:66
virtual void evaluateToSequenceReceiver(const DynamicContext::Ptr &context) const
Definition: qforclause.cpp:112
virtual Item::Iterator::Ptr evaluateSequence(const DynamicContext::Ptr &context) const
Definition: qforclause.cpp:87
Represents an item in the XPath 2.0 Data Model.
Definition: qitem_p.h:182
QExplicitlySharedDataPointer< const ForClause > ConstPtr
Definition: qforclause_p.h:108
virtual ID id() const
Definition: qforclause.cpp:195
ForClause(const VariableSlotID varSlot, const Expression::Ptr &bindingSequence, const Expression::Ptr &returnExpression, const VariableSlotID positionSlot)
Definition: qforclause.cpp:55
virtual Expression::Ptr typeCheck(const StaticContext::Ptr &context, const SequenceType::Ptr &reqType)
Definition: qforclause.cpp:129
void riggPositionalVariable(const DynamicContext::Ptr &context, const Item::Iterator::Ptr &source) const
Definition: qforclause.cpp:80
#define QT_END_HEADER
Definition: qglobal.h:137
virtual Expression::Ptr compress(const StaticContext::Ptr &context)
Definition: qforclause.cpp:151
The QList class is a template class that provides lists.
Definition: qdatastream.h:62
Base class for expressions that has exactly two operands.
Item::Iterator::Ptr mapToSequence(const Item &item, const DynamicContext::Ptr &context) const
Definition: qforclause.cpp:73