77 lines
2.1 KiB
C++
77 lines
2.1 KiB
C++
#include "display_buffer.hh"
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#include "assert.hh"
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#include "utf8.hh"
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namespace Kakoune
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{
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DisplayLine::iterator DisplayLine::split(iterator it, BufferIterator pos)
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{
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assert(it->content.type() == AtomContent::BufferRange);
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assert(it->content.begin() < pos);
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assert(it->content.end() > pos);
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assert(utf8::is_character_start(pos));
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DisplayAtom atom = *it;
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atom.content.m_end = pos;
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it->content.m_begin = pos;
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return m_atoms.insert(it, std::move(atom));
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}
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void DisplayLine::optimize()
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{
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for (auto atom_it = m_atoms.begin(); atom_it != m_atoms.end(); ++atom_it)
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{
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decltype(atom_it) next_atom_it;
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while ((next_atom_it = atom_it + 1) != m_atoms.end())
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{
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auto& atom = *atom_it;
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auto& next_atom = *next_atom_it;
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if (atom.fg_color == next_atom.fg_color and
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atom.bg_color == next_atom.bg_color and
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atom.attribute == next_atom.attribute and
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atom.content.type() == AtomContent::BufferRange and
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next_atom.content.type() == AtomContent::BufferRange and
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next_atom.content.begin() == atom.content.end())
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{
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atom.content.m_end = next_atom.content.end();
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atom_it = m_atoms.erase(next_atom_it) - 1;
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}
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else
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break;
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}
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}
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}
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void DisplayBuffer::compute_range()
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{
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m_range.first = BufferIterator();
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m_range.second = BufferIterator();
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for (auto& line : m_lines)
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{
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for (auto& atom : line)
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{
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if (not atom.content.has_buffer_range())
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continue;
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if (not m_range.first.is_valid() or m_range.first > atom.content.begin())
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m_range.first = atom.content.begin();
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if (not m_range.second.is_valid() or m_range.second < atom.content.end())
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m_range.second = atom.content.end();
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}
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}
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assert(m_range.first.is_valid() and m_range.second.is_valid());
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assert(m_range.first <= m_range.second);
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}
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void DisplayBuffer::optimize()
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{
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for (auto& line : m_lines)
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line.optimize();
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}
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}
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