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#include "display_buffer.hh"
#include "assert.hh"
namespace Kakoune
{
DisplayLine::iterator DisplayLine::split(iterator it, BufferCoord pos)
{
kak_assert(it->content.type() == AtomContent::BufferRange);
kak_assert(it->content.begin() < pos);
kak_assert(it->content.end() > 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()
{
if (m_atoms.empty())
return;
auto atom_it = m_atoms.begin();
auto next_atom_it = atom_it + 1;
while (next_atom_it != m_atoms.end())
{
auto& atom = *atom_it;
auto& next_atom = *next_atom_it;
bool merged = false;
if (atom.colors == next_atom.colors and
atom.attribute == next_atom.attribute and
atom.content.type() == next_atom.content.type())
{
auto type = atom.content.type();
if ((type == AtomContent::BufferRange or
type == AtomContent::ReplacedBufferRange) and
next_atom.content.begin() == atom.content.end())
{
atom.content.m_end = next_atom.content.end();
if (type == AtomContent::ReplacedBufferRange)
atom.content.m_text += next_atom.content.m_text;
merged = true;
}
if (type == AtomContent::Text)
{
atom.content.m_text += next_atom.content.m_text;
merged = true;
}
}
if (merged)
next_atom_it = m_atoms.erase(next_atom_it);
else
atom_it = next_atom_it++;
}
}
CharCount DisplayLine::length() const
{
CharCount len = 0;
for (auto& atom : m_atoms)
len += atom.content.length();
return len;
}
void DisplayBuffer::compute_range()
{
m_range.first = {INT_MAX,INT_MAX};
m_range.second = {0,0};
for (auto& line : m_lines)
{
for (auto& atom : line)
{
if (not atom.content.has_buffer_range())
continue;
if (m_range.first > atom.content.begin())
m_range.first = atom.content.begin();
if (m_range.second < atom.content.end())
m_range.second = atom.content.end();
}
}
kak_assert(m_range.first <= m_range.second);
}
void DisplayBuffer::optimize()
{
for (auto& line : m_lines)
line.optimize();
}
}
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