remove Buffer:char_{distance,advance} use line access instead

This commit is contained in:
Maxime Coste 2013-06-05 18:47:39 +02:00
parent 580749a91d
commit 70bf71e51f
6 changed files with 22 additions and 29 deletions

View File

@ -604,11 +604,6 @@ BufferCoord Buffer::advance(BufferCoord coord, ByteCount count) const
return { LineCount{ (int)(it - m_lines.begin()) }, off - it->start };
}
BufferCoord Buffer::char_advance(BufferCoord coord, CharCount count) const
{
return utf8::advance(iterator_at(coord), end(), count).coord();
}
BufferCoord Buffer::next(BufferCoord coord) const
{
if (coord.column < m_lines[coord.line].length() - 1)
@ -675,11 +670,6 @@ ByteCount Buffer::distance(const BufferCoord& begin, const BufferCoord& end) con
return offset(end) - offset(begin);
}
CharCount Buffer::char_distance(const BufferCoord& begin, const BufferCoord& end) const
{
return utf8::distance(iterator_at(begin), iterator_at(end));
}
ByteCount Buffer::offset(const BufferCoord& c) const
{
if (c.line == line_count())

View File

@ -119,8 +119,6 @@ public:
BufferCoord prev(BufferCoord coord) const;
Codepoint char_at(const BufferCoord& c) const;
CharCount char_distance(const BufferCoord& begin, const BufferCoord& end) const;
BufferCoord char_advance(BufferCoord coord, CharCount count) const;
BufferCoord char_next(BufferCoord coord) const;
BufferCoord char_prev(BufferCoord coord) const;

View File

@ -187,7 +187,7 @@ static DisplayLine generate_status_line(Client& client)
{
auto& context = client.context();
auto pos = context.editor().main_selection().last();
auto col = context.buffer().char_distance({pos.line, 0}, pos);
auto col = context.buffer()[pos.line].char_count_to(pos.column);
std::ostringstream oss;
oss << context.buffer().display_name()

View File

@ -97,7 +97,7 @@ void Editor::insert(const String& str, InsertMode mode)
{
sel.first() = pos;
sel.last() = str.empty() ?
pos : m_buffer->char_advance(pos, str.char_length() - 1);
pos : m_buffer->advance(pos, str.byte_count_to(str.char_length() - 1));
}
avoid_eol(*m_buffer, sel);
}
@ -120,7 +120,7 @@ void Editor::insert(const memoryview<String>& strings, InsertMode mode)
{
sel.first() = pos;
sel.last() = str.empty() ?
pos : m_buffer->char_advance(pos, str.char_length() - 1);
pos : m_buffer->advance(pos, str.byte_count_to(str.char_length() - 1));
}
avoid_eol(*m_buffer, sel);
}
@ -185,8 +185,10 @@ void Editor::move_selections(CharCount offset, SelectMode mode)
for (auto& sel : m_selections)
{
auto last = sel.last();
last = clamp<BufferCoord>(m_buffer->char_advance(last, offset),
last.line, m_buffer->char_prev(last.line+1));
auto& line = buffer()[last.line];
auto character = std::max(0_char, std::min(line.char_count_to(last.column) + offset,
line.char_length() - 2));
last.column = line.byte_count_to(character);
sel.first() = mode == SelectMode::Extend ? sel.first() : last;
sel.last() = last;
avoid_eol(*m_buffer, sel);
@ -199,12 +201,14 @@ void Editor::move_selections(LineCount offset, SelectMode mode)
kak_assert(mode == SelectMode::Replace or mode == SelectMode::Extend);
for (auto& sel : m_selections)
{
CharCount column = m_buffer->char_distance(sel.last().line, sel.last());
auto character = (*m_buffer)[sel.last().line].char_count_to(sel.last().column);
auto line = clamp(sel.last().line + offset, 0_line, m_buffer->line_count()-1);
column = std::min(column, (*m_buffer)[line].char_length()-1);
BufferCoord last = m_buffer->char_advance(line, column);
sel.first() = mode == SelectMode::Extend ? sel.first() : last;
sel.last() = last;
auto& content = (*m_buffer)[line];
character = std::max(0_char, std::min(character, content.char_length() - 2));
BufferCoord pos{line, content.byte_count_to(character)};
sel.first() = mode == SelectMode::Extend ? sel.first() : pos;
sel.last() = pos;
avoid_eol(*m_buffer, sel);
}
sort_and_merge_overlapping(m_selections, m_main_sel);

View File

@ -707,7 +707,7 @@ void align(Context& context)
auto& selections = context.editor().selections();
auto& buffer = context.buffer();
auto get_column = [&buffer](const BufferCoord& coord)
{ return buffer.char_distance({coord.line, 0}, coord); };
{ return buffer[coord.line].char_count_to(coord.column); };
CharCount max_col = 0;
for (auto& sel : selections)

View File

@ -69,9 +69,9 @@ void Window::update_display_buffer()
LineCount buffer_line = m_position.line + line;
if (buffer_line >= buffer().line_count())
break;
BufferCoord limit{buffer_line+1, 0};
auto begin = std::min(buffer().char_advance(buffer_line, m_position.column), limit);
auto end = std::min(buffer().char_advance(begin, m_dimensions.column), limit);
const String& content = buffer()[buffer_line];
BufferCoord begin{buffer_line, content.byte_count_to(m_position.column)};
BufferCoord end{buffer_line, content.byte_count_to(m_position.column + m_dimensions.column)};
lines.push_back(DisplayLine(buffer_line));
lines.back().push_back(DisplayAtom(AtomContent(buffer(), begin, end)));
@ -112,6 +112,7 @@ void Window::scroll_to_keep_cursor_visible_ifn()
{
const auto& first = main_selection().first();
const auto& last = main_selection().last();
const String& content = buffer()[last.line];
const LineCount offset = std::min<LineCount>(options()["scrolloff"].get<int>(),
(m_dimensions.line - 1) / 2);
@ -145,14 +146,14 @@ void Window::scroll_to_keep_cursor_visible_ifn()
{
column += atom.content.length();
CharCount first_col = first.line == last.line ?
buffer().char_distance(last.line, first) : 0_char;
auto first_col = (first.line == last.line) ? content.char_count_to(first.column) : 0_char;
auto last_col = content.char_count_to(last.column);
if (first_col < m_position.column)
m_position.column = first_col;
else if (column >= m_position.column + m_dimensions.column)
m_position.column = column - (m_dimensions.column - 1);
CharCount last_col = buffer().char_distance(last.line, last);
if (last_col < m_position.column)
m_position.column = last_col;
else if (column >= m_position.column + m_dimensions.column)