98 lines
3.2 KiB
C++
98 lines
3.2 KiB
C++
#include "highlighter_group.hh"
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#include "ranges.hh"
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#include "string_utils.hh"
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namespace Kakoune
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{
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void HighlighterGroup::do_highlight(HighlightContext context, DisplayBuffer& display_buffer, BufferRange range)
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{
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for (auto& hl : m_highlighters)
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hl.value->highlight(context, display_buffer, range);
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}
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void HighlighterGroup::do_compute_display_setup(HighlightContext context, DisplaySetup& setup) const
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{
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for (auto& hl : m_highlighters)
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hl.value->compute_display_setup(context, setup);
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}
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void HighlighterGroup::fill_unique_ids(Vector<StringView>& unique_ids) const
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{
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for (auto& hl : m_highlighters)
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hl.value->fill_unique_ids(unique_ids);
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}
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void HighlighterGroup::add_child(HighlighterAndId&& hl)
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{
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if ((hl.second->passes() & passes()) != hl.second->passes())
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throw runtime_error{"cannot add that highlighter to this group, passes don't match"};
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hl.first = replace(hl.first, "/", "<slash>");
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if (m_highlighters.contains(hl.first))
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throw runtime_error(format("duplicate id: '{}'", hl.first));
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m_highlighters.insert({std::move(hl.first), std::move(hl.second)});
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}
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void HighlighterGroup::remove_child(StringView id)
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{
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m_highlighters.remove(id);
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}
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Highlighter& HighlighterGroup::get_child(StringView path)
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{
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auto sep_it = find(path, '/');
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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 child_not_found(format("no such id: '{}'", id));
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if (sep_it == path.end())
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return *it->value;
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else
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return it->value->get_child({sep_it+1, path.end()});
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}
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Completions HighlighterGroup::complete_child(StringView path, ByteCount cursor_pos, bool group) const
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{
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auto sep_it = find(path, '/');
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if (sep_it != path.end())
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{
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ByteCount offset = sep_it+1 - path.begin();
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Highlighter& hl = const_cast<HighlighterGroup*>(this)->get_child({path.begin(), sep_it});
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return offset_pos(hl.complete_child(path.substr(offset), cursor_pos - offset, group), offset);
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}
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auto candidates = complete(
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path, cursor_pos,
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m_highlighters | filter([=](auto& hl) { return not group or hl.value->has_children(); })
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| transform([](auto& hl) { return hl.value->has_children() ? hl.key + "/" : hl.key; })
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| gather<Vector<String>>());
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return { 0, 0, std::move(candidates) };
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}
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void Highlighters::highlight(HighlightContext context, DisplayBuffer& display_buffer, BufferRange range)
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{
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Vector<StringView> disabled_ids(context.disabled_ids.begin(), context.disabled_ids.end());
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m_group.fill_unique_ids(disabled_ids);
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if (m_parent)
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m_parent->highlight({context.context, context.setup, context.pass, disabled_ids}, display_buffer, range);
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m_group.highlight(context, display_buffer, range);
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}
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void Highlighters::compute_display_setup(HighlightContext context, DisplaySetup& setup) const
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{
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Vector<StringView> disabled_ids(context.disabled_ids.begin(), context.disabled_ids.end());
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m_group.fill_unique_ids(disabled_ids);
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if (m_parent)
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m_parent->compute_display_setup({context.context, context.setup, context.pass, disabled_ids}, setup);
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m_group.compute_display_setup(context, setup);
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}
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}
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