Qt 4.8
qsimplecontentconstructor.cpp
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41 
42 #include "qcommonsequencetypes_p.h"
43 #include "qatomicstring_p.h"
44 
46 
48 
49 using namespace QPatternist;
50 
52 {
53 }
54 
56 {
58  Item next(it->next());
59  QString result;
60 
61  if(next)
62  {
63  result = next.stringValue();
64  next = it->next();
65  }
66  else
67  return Item();
68 
69  while(next)
70  {
71  result += QLatin1Char(' ');
72  result += next.stringValue();
73  next = it->next();
74  }
75 
76  return AtomicString::fromValue(result);
77 }
78 
80 {
81  const Expression::Ptr me(SingleContainer::compress(context));
82 
83  if(me.data() == this)
84  {
85  /* Optimization: if we will evaluate to a single string, we're not
86  * necessary. */
88  return m_operand;
89  }
90 
91  return me;
92 }
93 
95 {
96  SequenceType::List result;
98  return result;
99 }
100 
102 {
105  else
107 }
108 
110 {
111  return visitor->visit(this);
112 }
113 
#define QT_END_NAMESPACE
This macro expands to.
Definition: qglobal.h:90
#define it(className, varName)
static const SequenceType::Ptr ExactlyOneString
virtual Item evaluateSingleton(const DynamicContext::Ptr &context) const
The QString class provides a Unicode character string.
Definition: qstring.h:83
static AtomicString::Ptr fromValue(const QString &value)
virtual Expression::Ptr compress(const StaticContext::Ptr &context)
static const SequenceType::Ptr ZeroOrOneString
void append(const T &t)
Inserts value at the end of the list.
Definition: qlist.h:507
T * data() const
Returns a pointer to the shared data object.
Definition: qshareddata.h:145
#define QT_BEGIN_NAMESPACE
This macro expands to.
Definition: qglobal.h:89
The namespace for the internal API of QtXmlPatterns.
virtual SequenceType::Ptr staticType() const
virtual Cardinality cardinality() const =0
virtual SequenceType::List expectedOperandTypes() const
SimpleContentConstructor(const Expression::Ptr &operand)
virtual SequenceType::Ptr staticType() const =0
Represents an item in the XPath 2.0 Data Model.
Definition: qitem_p.h:182
virtual Expression::Ptr compress(const StaticContext::Ptr &context)
static const SequenceType::Ptr ZeroOrMoreAtomicTypes
The QLatin1Char class provides an 8-bit ASCII/Latin-1 character.
Definition: qchar.h:55
virtual ExpressionVisitorResult::Ptr accept(const ExpressionVisitor::Ptr &visitor) const
The QList class is a template class that provides lists.
Definition: qdatastream.h:62
virtual Item::Iterator::Ptr evaluateSequence(const DynamicContext::Ptr &context) const
Base class for expressions that has exactly one operand.