Qt 4.8
qnumericfns.cpp
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41 
42 #include "qcommonvalues_p.h"
43 #include "qgenericsequencetype_p.h"
44 #include "qschemanumeric_p.h"
45 
46 #include "qnumericfns_p.h"
47 
49 
50 using namespace QPatternist;
51 
53 {
54  const Item num(m_operands.first()->evaluateSingleton(context));
55 
56  if(!num)
57  return Item();
58 
59  return toItem(num.as<Numeric>()->floor());
60 }
61 
63 {
64  const Item num(m_operands.first()->evaluateSingleton(context));
65 
66  if(!num)
67  return Item();
68 
69  return toItem(num.as<Numeric>()->abs());
70 }
71 
73 {
74  const Item num(m_operands.first()->evaluateSingleton(context));
75 
76  if(!num)
77  return Item();
78 
79  return toItem(num.as<Numeric>()->round());
80 }
81 
83 {
84  const Item num(m_operands.first()->evaluateSingleton(context));
85 
86  if(!num)
87  return Item();
88 
89  return toItem(num.as<Numeric>()->ceiling());
90 }
91 
93 {
94  const Item num(m_operands.first()->evaluateSingleton(context));
95 
96  if(!num)
97  return Item();
98 
99  xsInteger scale = 0;
100 
101  if(m_operands.count() == 2)
102  scale = m_operands.at(1)->evaluateSingleton(context).as<Numeric>()->toInteger();
103 
104  return toItem(num.as<Numeric>()->roundHalfToEven(scale));
105 }
106 
virtual Numeric::Ptr floor() const =0
virtual Item evaluateSingleton(const DynamicContext::Ptr &context) const
Definition: qnumericfns.cpp:62
#define QT_END_NAMESPACE
This macro expands to.
Definition: qglobal.h:90
Contains classes implementing the functions found in XQuery 1.0 and XPath 2.0 Functions and Operators...
qint64 xsInteger
Item toItem(const QExplicitlySharedDataPointer< T > atomicValue)
Definition: qitem_p.h:431
int count(const T &t) const
Returns the number of occurrences of value in the list.
Definition: qlist.h:891
virtual Numeric::Ptr round() const =0
virtual Item evaluateSingleton(const DynamicContext::Ptr &context) const
Definition: qnumericfns.cpp:92
virtual Item evaluateSingleton(const DynamicContext::Ptr &context) const
Definition: qnumericfns.cpp:72
#define QT_BEGIN_NAMESPACE
This macro expands to.
Definition: qglobal.h:89
const T & at(int i) const
Returns the item at index position i in the list.
Definition: qlist.h:468
The namespace for the internal API of QtXmlPatterns.
virtual Numeric::Ptr abs() const =0
virtual Numeric::Ptr ceiling() const =0
T & first()
Returns a reference to the first item in the list.
Definition: qlist.h:282
Represents an item in the XPath 2.0 Data Model.
Definition: qitem_p.h:182
Base class for all numeric values.
Contains class Numeric. This file was originally called qnumeric_p.h, but various build systems canno...
virtual Numeric::Ptr roundHalfToEven(const xsInteger scale) const =0
TCastTarget * as() const
Definition: qitem_p.h:278
virtual Item evaluateSingleton(const DynamicContext::Ptr &context) const
Definition: qnumericfns.cpp:82
virtual Item evaluateSingleton(const DynamicContext::Ptr &context) const
virtual Item evaluateSingleton(const DynamicContext::Ptr &context) const
Definition: qnumericfns.cpp:52