4e24ba86cc
Using <fg>,<bg>+<attr>@<base> will apply the given fg color, bg color and attributes on top of base dynamically. Simply giving <base> is a shorthand for default,default@<base>. Inspired by the discussion in #2862
58 lines
1.5 KiB
C++
58 lines
1.5 KiB
C++
#ifndef face_registry_hh_INCLUDED
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#define face_registry_hh_INCLUDED
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#include "face.hh"
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#include "utils.hh"
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#include "hash_map.hh"
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#include "ranges.hh"
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#include "string.hh"
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#include "safe_ptr.hh"
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namespace Kakoune
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{
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class FaceRegistry : public SafeCountable
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{
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public:
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FaceRegistry(FaceRegistry& parent) : SafeCountable{}, m_parent(&parent) {}
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Face operator[](StringView facedesc) const;
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void add_face(StringView name, StringView facedesc, bool override = false);
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void remove_face(StringView name);
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struct FaceSpec
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{
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Face face = {};
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String base = {};
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};
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using FaceMap = HashMap<String, FaceSpec, MemoryDomain::Faces>;
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auto flatten_faces() const
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{
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auto merge = [](auto&& first, const FaceMap& second) {
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return concatenated(std::forward<decltype(first)>(first)
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| filter([&second](auto& i) { return not second.contains(i.key); }),
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second);
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};
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static const FaceMap empty;
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auto& parent = m_parent ? m_parent->m_faces : empty;
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auto& grand_parent = (m_parent and m_parent->m_parent) ? m_parent->m_parent->m_faces : empty;
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return merge(merge(grand_parent, parent), m_faces);
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}
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private:
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Face resolve_spec(const FaceSpec& spec) const;
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friend class Scope;
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FaceRegistry();
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SafePtr<FaceRegistry> m_parent;
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FaceMap m_faces;
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};
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String to_string(Face face);
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}
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#endif // face_registry_hh_INCLUDED
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