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43 #include "qinsertioniterator_p.h"
47 using namespace QPatternist;
49 InsertionIterator::InsertionIterator(const Item::Iterator::Ptr &target,
51 const Item::Iterator::Ptr &inserts)
56 m_isInserting(pos == 1)
60 Q_ASSERT(m_insertPos >= 1);
63 Item InsertionIterator::next()
67 m_current = m_inserts->next();
75 else if(m_position == (m_insertPos - 1) && !m_isInserting)
76 { /* Entered only the first time insertion starts. */
82 m_current = m_target->next();
86 else if(m_inserts->position() == -1) /* We're at the end of the both iterators. */
93 /* Insert the insertion iterator, since it's still left. */
94 Q_ASSERT(m_target->position() < m_insertPos);
96 m_current = m_inserts->next();
102 /* m_current is already null, so no need to reset it. */
108 xsInteger InsertionIterator::count()
110 return m_target->count() + m_inserts->count();
113 Item InsertionIterator::current() const
118 xsInteger InsertionIterator::position() const
123 Item::Iterator::Ptr InsertionIterator::copy() const
125 return Item::Iterator::Ptr(new InsertionIterator(m_target->copy(), m_insertPos, m_inserts->copy()));