114 lines
2.7 KiB
C++
114 lines
2.7 KiB
C++
#ifndef buffer_iterator_inl_h_INCLUDED
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#define buffer_iterator_inl_h_INCLUDED
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#include "assert.hh"
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namespace Kakoune
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{
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inline BufferIterator::BufferIterator(const Buffer& buffer, BufferCoord coord)
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: m_buffer(&buffer), m_coord(coord)
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{
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kak_assert(m_buffer and m_buffer->is_valid(m_coord));
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}
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inline bool BufferIterator::operator==(const BufferIterator& iterator) const
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{
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return (m_buffer == iterator.m_buffer and m_coord == iterator.m_coord);
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}
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inline bool BufferIterator::operator!=(const BufferIterator& iterator) const
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{
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return (m_buffer != iterator.m_buffer or m_coord != iterator.m_coord);
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}
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inline bool BufferIterator::operator<(const BufferIterator& iterator) const
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{
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kak_assert(m_buffer == iterator.m_buffer);
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return (m_coord < iterator.m_coord);
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}
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inline bool BufferIterator::operator<=(const BufferIterator& iterator) const
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{
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kak_assert(m_buffer == iterator.m_buffer);
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return (m_coord <= iterator.m_coord);
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}
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inline bool BufferIterator::operator>(const BufferIterator& iterator) const
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{
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kak_assert(m_buffer == iterator.m_buffer);
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return (m_coord > iterator.m_coord);
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}
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inline bool BufferIterator::operator>=(const BufferIterator& iterator) const
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{
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kak_assert(m_buffer == iterator.m_buffer);
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return (m_coord >= iterator.m_coord);
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}
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inline char BufferIterator::operator*() const
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{
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return m_buffer->byte_at(m_coord);
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}
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inline char BufferIterator::operator[](size_t n) const
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{
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return m_buffer->byte_at(m_buffer->advance(m_coord, n));
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}
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inline size_t BufferIterator::operator-(const BufferIterator& iterator) const
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{
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kak_assert(m_buffer == iterator.m_buffer);
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return (size_t)(int)m_buffer->distance(iterator.m_coord, m_coord);
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}
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inline BufferIterator BufferIterator::operator+(ByteCount size) const
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{
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kak_assert(m_buffer);
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return { *m_buffer, m_buffer->advance(m_coord, size) };
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}
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inline BufferIterator BufferIterator::operator-(ByteCount size) const
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{
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return { *m_buffer, m_buffer->advance(m_coord, -size) };
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}
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inline BufferIterator& BufferIterator::operator+=(ByteCount size)
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{
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return *this = (*this + size);
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}
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inline BufferIterator& BufferIterator::operator-=(ByteCount size)
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{
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return *this = (*this - size);
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}
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inline BufferIterator& BufferIterator::operator++()
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{
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m_coord = m_buffer->next(m_coord);
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return *this;
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}
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inline BufferIterator& BufferIterator::operator--()
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{
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m_coord = m_buffer->prev(m_coord);
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return *this;
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}
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inline BufferIterator BufferIterator::operator++(int)
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{
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BufferIterator save = *this;
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++*this;
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return save;
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}
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inline BufferIterator BufferIterator::operator--(int)
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{
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BufferIterator save = *this;
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--*this;
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return save;
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}
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}
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#endif // buffer_iterator_inl_h_INCLUDED
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