62 lines
1.6 KiB
C++
62 lines
1.6 KiB
C++
#pragma once
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#ifdef VC_ENABLE_REFLECTION
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#define VC_ENUM_METADATA(NAME) static inline util::EnumMetadata<NAME> NAME##Meta {
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#define VC_ENUM_END };
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#include <map>
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#include <string>
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#include <utility>
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namespace util {
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template<typename EnumT>
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class EnumMetadata {
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public:
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EnumMetadata(
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std::initializer_list<std::pair<const std::string_view, EnumT>> items
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)
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: items(items) {
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for (const auto& [name, item] : items) {
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names[item] = name;
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}
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}
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std::string_view getName(EnumT item) const {
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const auto& found = names.find(item);
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if (found == names.end()) {
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return "";
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}
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return found->second;
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}
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std::string getNameString(EnumT item) const {
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return std::string(getName(item));
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}
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bool getItem(std::string_view name, EnumT& dst) const {
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const auto& found = items.find(name);
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if (found == items.end()) {
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return false;
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}
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dst = found->second;
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return true;
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}
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size_t size() const {
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return items.size();
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}
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private:
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std::map<std::string_view, EnumT> items;
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std::map<EnumT, std::string_view> names;
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};
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}
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#else
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#include <initializer_list>
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#define VC_ENUM_METADATA(NAME) \
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struct NAME##__PAIR {const char* n; NAME i;}; \
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[[maybe_unused]] static inline std::initializer_list<NAME##__PAIR> NAME##_PAIRS {
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#define VC_ENUM_END };
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#endif // VC_ENABLE_REFLECTION
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