Qt 4.8
qremovaliterator.cpp
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41 
42 
43 #include "qremovaliterator_p.h"
44 
46 
47 using namespace QPatternist;
48 
50  const xsInteger pos) : m_target(target),
51  m_removalPos(pos),
52  m_position(0)
53 {
54  Q_ASSERT(target);
55  Q_ASSERT(pos >= 1);
56 }
57 
59 {
60  if(m_position == -1)
61  return Item();
62 
63  m_current = m_target->next();
64 
65  if(!m_current)
66  {
67  m_position = -1;
68  m_current.reset();
69  return Item();
70  }
71 
72  ++m_position;
73 
75  {
76  next(); /* Recurse, return the next item. */
77  --m_position; /* Don't count the one we removed. */
78  return m_current;
79  }
80 
81  return m_current;
82 }
83 
85 {
86  const xsInteger itc = m_target->count();
87 
88  if(itc < m_removalPos)
89  return itc;
90  else
91  return itc - 1;
92 }
93 
95 {
96  return m_current;
97 }
98 
100 {
101  return m_position;
102 }
103 
105 {
107 }
108 
#define QT_END_NAMESPACE
This macro expands to.
Definition: qglobal.h:90
qint64 xsInteger
The QExplicitlySharedDataPointer class represents a pointer to an explicitly shared object...
Definition: qshareddata.h:136
#define Q_ASSERT(cond)
Definition: qglobal.h:1823
virtual Item current() const
Returns the current item in the sequence.
QExplicitlySharedDataPointer< QAbstractXmlForwardIterator< Item > > Ptr
A smart pointer wrapping an instance of a QAbstractXmlForwardIterator subclass.
#define QT_BEGIN_NAMESPACE
This macro expands to.
Definition: qglobal.h:89
The namespace for the internal API of QtXmlPatterns.
RemovalIterator(const Item::Iterator::Ptr &target, const xsInteger position)
virtual Item next()
Returns the next item in the sequence, or a null object if the end has been reached.
virtual Item::Iterator::Ptr copy() const
Copies this QAbstractXmlForwardIterator and returns the copy.
virtual xsInteger position() const
Returns the current position in the sequence represented by this.
Represents an item in the XPath 2.0 Data Model.
Definition: qitem_p.h:182
const Item::Iterator::Ptr m_target