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42 #include "qxpathhelper_p.h"
44 #include "qsubsequenceiterator_p.h"
48 using namespace QPatternist;
50 SubsequenceIterator::SubsequenceIterator(const Item::Iterator::Ptr &iterator,
51 const xsInteger start,
58 m_stop(m_start + m_len)
62 Q_ASSERT(len == -1 || len >= 1);
64 /* Note, "The first item of a sequence is located at position 1, not position 0." */
65 for(xsInteger i = 1; i != m_start; ++i)
69 Item SubsequenceIterator::next()
74 m_current = m_it->next();
87 if(!(m_counter > m_stop) && m_current)
95 Item SubsequenceIterator::current() const
100 xsInteger SubsequenceIterator::position() const
105 Item::Iterator::Ptr SubsequenceIterator::copy() const
107 return Item::Iterator::Ptr(new SubsequenceIterator(m_it->copy(), m_start, m_len));