133 lines
3.1 KiB
C++
133 lines
3.1 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, BufferPos position)
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: m_buffer(&buffer),
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m_position(std::max(0, std::min(position, (BufferPos)buffer.length())))
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{
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}
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inline const Buffer& BufferIterator::buffer() const
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{
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assert(m_buffer);
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return *m_buffer;
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}
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inline bool BufferIterator::is_valid() const
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{
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return m_buffer;
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}
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inline BufferIterator& BufferIterator::operator=(const BufferIterator& iterator)
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{
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m_buffer = iterator.m_buffer;
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m_position = iterator.m_position;
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return *this;
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}
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inline bool BufferIterator::operator==(const BufferIterator& iterator) const
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{
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assert(m_buffer == iterator.m_buffer);
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return (m_position == iterator.m_position);
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}
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inline bool BufferIterator::operator!=(const BufferIterator& iterator) const
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{
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assert(m_buffer == iterator.m_buffer);
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return (m_position != iterator.m_position);
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}
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inline bool BufferIterator::operator<(const BufferIterator& iterator) const
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{
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assert(m_buffer == iterator.m_buffer);
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return (m_position < iterator.m_position);
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}
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inline bool BufferIterator::operator<=(const BufferIterator& iterator) const
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{
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assert(m_buffer == iterator.m_buffer);
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return (m_position <= iterator.m_position);
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}
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inline bool BufferIterator::operator>(const BufferIterator& iterator) const
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{
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assert(m_buffer == iterator.m_buffer);
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return (m_position > iterator.m_position);
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}
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inline bool BufferIterator::operator>=(const BufferIterator& iterator) const
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{
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assert(m_buffer == iterator.m_buffer);
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return (m_position >= iterator.m_position);
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}
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inline BufferChar BufferIterator::operator*() const
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{
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assert(m_buffer);
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return m_buffer->at(m_position);
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}
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inline BufferSize BufferIterator::operator-(const BufferIterator& iterator) const
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{
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assert(m_buffer == iterator.m_buffer);
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return m_position - iterator.m_position;
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}
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inline BufferIterator BufferIterator::operator+(BufferSize size) const
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{
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assert(m_buffer);
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return BufferIterator(*m_buffer, m_position + size);
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}
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inline BufferIterator BufferIterator::operator-(BufferSize size) const
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{
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assert(m_buffer);
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return BufferIterator(*m_buffer, m_position - size);
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}
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inline BufferIterator& BufferIterator::operator+=(BufferSize size)
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{
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assert(m_buffer);
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m_position = std::max(0, std::min((BufferSize)m_position + size,
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m_buffer->length()));
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return *this;
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}
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inline BufferIterator& BufferIterator::operator-=(BufferSize size)
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{
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assert(m_buffer);
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m_position = std::max(0, std::min((BufferSize)m_position - size,
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m_buffer->length()));
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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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return (*this += 1);
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}
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inline BufferIterator& BufferIterator::operator--()
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{
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return (*this -= 1);
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}
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inline bool BufferIterator::is_begin() const
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{
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assert(m_buffer);
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return m_position == 0;
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}
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inline bool BufferIterator::is_end() const
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{
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assert(m_buffer);
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return m_position == m_buffer->length();
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}
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}
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#endif // buffer_iterator_inl_h_INCLUDED
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