home/src/selection.cc
2013-02-27 19:11:25 +01:00

56 lines
1.0 KiB
C++

#include "selection.hh"
#include "utf8.hh"
namespace Kakoune
{
void Range::merge_with(const Range& range)
{
if (m_first < m_last)
m_first = std::min(m_first, range.m_first);
if (m_first > m_last)
m_first = std::max(m_first, range.m_first);
m_last = range.m_last;
}
BufferIterator Range::begin() const
{
return std::min(m_first, m_last);
}
BufferIterator Range::end() const
{
return utf8::next(std::max(m_first, m_last));
}
String Range::content() const
{
return m_first.buffer().string(begin(), end());
}
void Range::check_invariant() const
{
#ifdef KAK_DEBUG
assert(m_first.is_valid());
assert(m_last.is_valid());
assert(utf8::is_character_start(m_first));
assert(utf8::is_character_start(m_last));
#endif
}
static void avoid_eol(BufferIterator& it)
{
const auto column = it.column();
if (column != 0 and column == it.buffer().line_length(it.line()) - 1)
it = utf8::previous(it);
}
void Selection::avoid_eol()
{
Kakoune::avoid_eol(first());
Kakoune::avoid_eol(last());
}
}