Qt 4.8
qcomparestringfns.cpp
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41 
42 #include "qcommonnamespaces_p.h"
43 
44 #include "qboolean_p.h"
45 #include "qcommonvalues_p.h"
46 #include "qinteger_p.h"
47 #include "qatomicstring_p.h"
48 
49 #include "qcomparestringfns_p.h"
50 
52 
53 using namespace QPatternist;
54 
56 {
57  const Item op1(m_operands.first()->evaluateSingleton(context));
58  if(!op1)
59  return Item();
60 
61  const Item op2(m_operands.last()->evaluateSingleton(context));
62  if(!op2)
63  return Item();
64 
66  return Boolean::fromValue(op1.stringValue() == op2.stringValue());
67  else
68  {
69  const QString s1(op1.stringValue());
70  const QString s2(op2.stringValue());
71 
72  return Boolean::fromValue(s1.length() == s2.length() &&
73  s1.startsWith(s2, Qt::CaseInsensitive));
74  }
75 }
76 
78 {
79  const Item op1(m_operands.first()->evaluateSingleton(context));
80  if(!op1)
81  return Item();
82 
83  const Item op2(m_operands.at(1)->evaluateSingleton(context));
84  if(!op2)
85  return Item();
86 
87  const int retval = caseSensitivity() == Qt::CaseSensitive
88  ? op1.stringValue().compare(op2.stringValue())
89  : op1.stringValue().toLower().compare(op2.stringValue().toLower());
90 
91  if(retval > 0)
93  else if(retval < 0)
95  else
96  {
97  Q_ASSERT(retval == 0);
99  }
100 }
101 
#define QT_END_NAMESPACE
This macro expands to.
Definition: qglobal.h:90
static const Item IntegerOne
The QString class provides a Unicode character string.
Definition: qstring.h:83
#define Q_ASSERT(cond)
Definition: qglobal.h:1823
static const Item IntegerZero
virtual Item evaluateSingleton(const DynamicContext::Ptr &context) const
#define QT_BEGIN_NAMESPACE
This macro expands to.
Definition: qglobal.h:89
Contains classes implementing the functions found in XQuery 1.0 and XPath 2.0 Functions and Operators...
virtual Item evaluateSingleton(const DynamicContext::Ptr &context) const
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.
static Boolean::Ptr fromValue(const bool value)
Definition: qboolean.cpp:115
static const Item IntegerOneNegative
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
T & last()
Returns a reference to the last item in the list.
Definition: qlist.h:284
Qt::CaseSensitivity caseSensitivity() const
virtual Item evaluateSingleton(const DynamicContext::Ptr &context) const