kakoune/src/highlighter_group.hh
2018-04-06 09:16:59 +10:00

69 lines
2.0 KiB
C++

#ifndef highlighter_group_hh_INCLUDED
#define highlighter_group_hh_INCLUDED
#include "exception.hh"
#include "hash_map.hh"
#include "highlighter.hh"
#include "utils.hh"
#include "safe_ptr.hh"
namespace Kakoune
{
struct child_not_found : public runtime_error
{
using runtime_error::runtime_error;
};
class HighlighterGroup : public Highlighter
{
public:
HighlighterGroup(HighlightPass passes) : Highlighter{passes} {}
bool has_children() const override { return true; }
void add_child(HighlighterAndId&& hl) override;
void remove_child(StringView id) override;
Highlighter& get_child(StringView path) override;
Completions complete_child(StringView path, ByteCount cursor_pos, bool group) const override;
void fill_unique_ids(Vector<StringView>& unique_ids) const override;
protected:
void do_highlight(HighlightContext context, DisplayBuffer& display_buffer, BufferRange range) override;
void do_compute_display_setup(HighlightContext context, DisplaySetup& setup) const override;
using HighlighterMap = HashMap<String, std::unique_ptr<Highlighter>, MemoryDomain::Highlight>;
HighlighterMap m_highlighters;
};
class Highlighters : public SafeCountable
{
public:
Highlighters(Highlighters& parent) : SafeCountable{}, m_parent{&parent}, m_group{HighlightPass::All} {}
HighlighterGroup& group() { return m_group; }
const HighlighterGroup& group() const { return m_group; }
void highlight(HighlightContext context, DisplayBuffer& display_buffer, BufferRange range);
void compute_display_setup(HighlightContext context, DisplaySetup& setup) const;
private:
friend class Scope;
Highlighters() : m_group{HighlightPass::All} {}
SafePtr<Highlighters> m_parent;
HighlighterGroup m_group;
};
struct DefinedHighlighters : public HighlighterGroup,
public Singleton<DefinedHighlighters>
{
DefinedHighlighters() : HighlighterGroup{HighlightPass::All} {}
};
}
#endif // highlighter_group_hh_INCLUDED