Make buffer iterator iteration/dereference faster
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b988871df6
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4ecdbea5c4
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@ -84,8 +84,8 @@ public:
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private:
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SafePtr<const Buffer> m_buffer;
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StringView m_line;
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ByteCoord m_coord;
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ByteCount m_line_length;
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LineCount m_last_line;
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};
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@ -110,7 +110,7 @@ inline ByteCoord Buffer::end_coord() const
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inline BufferIterator::BufferIterator(const Buffer& buffer, ByteCoord coord)
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: m_buffer(&buffer), m_coord(coord),
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m_line_length((*m_buffer)[m_coord.line].length()),
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m_line((*m_buffer)[coord.line]),
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m_last_line(buffer.line_count()-1)
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{
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kak_assert(m_buffer and m_buffer->is_valid(m_coord));
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@ -153,7 +153,7 @@ inline bool BufferIterator::operator>=(const BufferIterator& iterator) const
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[[gnu::always_inline]]
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inline const char& BufferIterator::operator*() const
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{
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return m_buffer->byte_at(m_coord);
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return m_line[m_coord.column];
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}
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inline const char& BufferIterator::operator[](size_t n) const
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@ -181,24 +181,23 @@ inline BufferIterator BufferIterator::operator-(ByteCount size) const
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inline BufferIterator& BufferIterator::operator+=(ByteCount size)
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{
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m_coord = m_buffer->advance(m_coord, size);
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m_line_length = m_buffer->line_storage(m_coord.line)->length;
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m_line = (*m_buffer)[m_coord.line];
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return *this;
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}
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inline BufferIterator& BufferIterator::operator-=(ByteCount size)
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{
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m_coord = m_buffer->advance(m_coord, -size);
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m_line_length = m_buffer->line_storage(m_coord.line)->length;
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m_line = (*m_buffer)[m_coord.line];
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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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if (++m_coord.column == m_line_length and m_coord.line != m_last_line)
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if (++m_coord.column == m_line.length() and m_coord.line != m_last_line)
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{
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++m_coord.line;
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m_line = (*m_buffer)[++m_coord.line];
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m_coord.column = 0;
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m_line_length = m_buffer->line_storage(m_coord.line)->length;
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}
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return *this;
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}
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@ -207,8 +206,8 @@ inline BufferIterator& BufferIterator::operator--()
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{
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if (m_coord.column == 0 and m_coord.line > 0)
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{
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m_line_length = m_buffer->line_storage(--m_coord.line)->length;
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m_coord.column = m_line_length - 1;
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m_line = (*m_buffer)[--m_coord.line];
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m_coord.column = m_line.length() - 1;
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}
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else
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--m_coord.column;
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