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