kakoune/src/highlighter_group.cc

96 lines
3.1 KiB
C++
Raw Normal View History

#include "highlighter_group.hh"
#include "ranges.hh"
#include "string_utils.hh"
namespace Kakoune
{
void HighlighterGroup::do_highlight(HighlightContext context, DisplayBuffer& display_buffer, BufferRange range)
{
for (auto& hl : m_highlighters)
hl.value->highlight(context, display_buffer, range);
}
void HighlighterGroup::do_compute_display_setup(HighlightContext context, DisplaySetup& setup) const
{
for (auto& hl : m_highlighters)
hl.value->compute_display_setup(context, setup);
}
void HighlighterGroup::fill_unique_ids(Vector<StringView>& unique_ids) const
{
for (auto& hl : m_highlighters)
hl.value->fill_unique_ids(unique_ids);
}
void HighlighterGroup::add_child(String name, std::unique_ptr<Highlighter>&& hl)
{
if ((hl->passes() & passes()) != hl->passes())
2018-04-06 16:56:53 +02:00
throw runtime_error{"cannot add that highlighter to this group, passes don't match"};
if (m_highlighters.contains(name))
throw runtime_error(format("duplicate id: '{}'", name));
m_highlighters.insert({std::move(name), std::move(hl)});
}
void HighlighterGroup::remove_child(StringView id)
{
m_highlighters.remove(id);
}
Highlighter& HighlighterGroup::get_child(StringView path)
2014-06-12 22:52:23 +02:00
{
auto sep_it = find(path, '/');
2014-06-12 22:52:23 +02:00
StringView id(path.begin(), sep_it);
auto it = m_highlighters.find(id);
if (it == m_highlighters.end())
throw child_not_found(format("no such id: '{}'", id));
if (sep_it == path.end())
2015-09-16 20:57:57 +02:00
return *it->value;
else
2015-09-16 20:57:57 +02:00
return it->value->get_child({sep_it+1, path.end()});
}
Completions HighlighterGroup::complete_child(StringView path, ByteCount cursor_pos, bool group) const
2014-06-12 22:52:23 +02:00
{
auto sep_it = find(path, '/');
2014-06-12 22:52:23 +02:00
if (sep_it != path.end())
{
ByteCount offset = sep_it+1 - path.begin();
Highlighter& hl = const_cast<HighlighterGroup*>(this)->get_child({path.begin(), sep_it});
return offset_pos(hl.complete_child(path.substr(offset), cursor_pos - offset, group), offset);
}
2015-11-11 20:14:35 +01:00
auto candidates = complete(
path, cursor_pos,
m_highlighters | filter([=](auto& hl) { return not group or hl.value->has_children(); })
| transform([](auto& hl) { return hl.value->has_children() ? hl.key + "/" : hl.key; })
| gather<Vector<String>>());
2015-11-11 20:14:35 +01:00
return { 0, 0, std::move(candidates) };
}
void Highlighters::highlight(HighlightContext context, DisplayBuffer& display_buffer, BufferRange range)
{
Vector<StringView> disabled_ids(context.disabled_ids.begin(), context.disabled_ids.end());
m_group.fill_unique_ids(disabled_ids);
if (m_parent)
m_parent->highlight({context.context, context.setup, context.pass, disabled_ids}, display_buffer, range);
m_group.highlight(context, display_buffer, range);
}
void Highlighters::compute_display_setup(HighlightContext context, DisplaySetup& setup) const
{
Vector<StringView> disabled_ids(context.disabled_ids.begin(), context.disabled_ids.end());
m_group.fill_unique_ids(disabled_ids);
if (m_parent)
m_parent->compute_display_setup({context.context, context.setup, context.pass, disabled_ids}, setup);
m_group.compute_display_setup(context, setup);
}
}