4bb62d63e6
HierachicalHighlighter contains a map of names to HighlighterGroup and can wrap any highlighter that wants to access user settable sub groups.
74 lines
2.3 KiB
C++
74 lines
2.3 KiB
C++
#include "highlighter_group.hh"
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namespace Kakoune
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{
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void HighlighterGroup::operator()(const Context& context, HighlightFlags flags, DisplayBuffer& display_buffer)
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{
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for (auto& hl : m_highlighters)
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hl.second(context, flags, display_buffer);
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}
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void HighlighterGroup::append(HighlighterAndId&& hl)
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{
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if (m_highlighters.contains(hl.first))
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throw runtime_error("duplicate id: " + hl.first);
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m_highlighters.append(std::move(hl));
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}
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void HighlighterGroup::remove(StringView id)
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{
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m_highlighters.remove(id);
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}
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HighlighterGroup& HighlighterGroup::get_group(StringView path, Codepoint path_separator)
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{
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auto sep_it = std::find(path.begin(), path.end(), path_separator);
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StringView id(path.begin(), sep_it);
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auto it = m_highlighters.find(id);
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if (it == m_highlighters.end())
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throw group_not_found("no such id: "_str + id);
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if (auto* group = it->second.target<HighlighterGroup>())
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{
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if (sep_it != path.end())
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return group->get_group({sep_it+1, path.end()}, path_separator);
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return *group;
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}
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else if (auto* hier_group = it->second.target<HierachicalHighlighter>())
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{
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if (sep_it == path.end())
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throw group_not_found("not a leaf group: "_str + id);
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return hier_group->get_group({sep_it+1, path.end()}, path_separator);
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}
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else
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throw group_not_found("not a group: "_str + id);
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}
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CandidateList HighlighterGroup::complete_id(StringView prefix, ByteCount cursor_pos) const
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{
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return m_highlighters.complete_id(prefix, cursor_pos);
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}
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CandidateList HighlighterGroup::complete_group_id(StringView prefix, ByteCount cursor_pos) const
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{
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return m_highlighters.complete_id_if(
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prefix, cursor_pos, [](const HighlighterAndId& func) {
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return func.second.template target<HighlighterGroup>() != nullptr;
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});
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}
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HighlighterGroup& HierachicalHighlighter::get_group(StringView path, Codepoint path_separator)
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{
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auto sep_it = std::find(path.begin(), path.end(), path_separator);
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StringView id(path.begin(), sep_it);
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auto it = m_groups.find(id);
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if (it == m_groups.end())
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throw group_not_found("no such id: "_str + id);
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if (sep_it != path.end())
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return it->second.get_group(StringView(sep_it+1, path.end()), path_separator);
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else
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return it->second;
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}
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}
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