4bb62d63e6
HierachicalHighlighter contains a map of names to HighlighterGroup and can wrap any highlighter that wants to access user settable sub groups.
70 lines
1.8 KiB
C++
70 lines
1.8 KiB
C++
#ifndef highlighter_group_hh_INCLUDED
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#define highlighter_group_hh_INCLUDED
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#include "exception.hh"
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#include "id_map.hh"
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#include "highlighter.hh"
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#include "utils.hh"
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namespace Kakoune
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{
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struct group_not_found : public runtime_error
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{
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using runtime_error::runtime_error;
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};
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class HighlighterGroup
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{
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public:
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void operator()(const Context& context,
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HighlightFlags flags,
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DisplayBuffer& display_buffer);
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void append(HighlighterAndId&& hl);
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void remove(StringView id);
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HighlighterGroup& get_group(StringView path, Codepoint path_separator = 0);
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CandidateList complete_id(StringView prefix, ByteCount cursor_pos) const;
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CandidateList complete_group_id(StringView prefix, ByteCount cursor_pos) const;
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private:
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id_map<HighlighterFunc> m_highlighters;
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};
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class HierachicalHighlighter
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{
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public:
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using GroupMap = id_map<HighlighterGroup>;
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using Callback = std::function<void (GroupMap& groups,
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const Context& context,
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HighlightFlags flags,
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DisplayBuffer& display_buffer)>;
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HierachicalHighlighter(Callback callback, GroupMap groups)
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: m_callback(std::move(callback)), m_groups(std::move(groups)) {}
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void operator()(const Context& context,
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HighlightFlags flags,
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DisplayBuffer& display_buffer)
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{
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m_callback(m_groups, context, flags, display_buffer);
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}
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HighlighterGroup& get_group(StringView path, Codepoint path_separator = 0);
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protected:
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Callback m_callback;
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GroupMap m_groups;
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};
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struct DefinedHighlighters : public HighlighterGroup,
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public Singleton<DefinedHighlighters>
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{
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};
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}
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#endif // highlighter_group_hh_INCLUDED
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