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https://github.com/quizhizhe/LiteLoaderBDS-1.16.40.git
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103 lines
3.5 KiB
C++
103 lines
3.5 KiB
C++
#ifndef ENTT_META_RESOLVE_HPP
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#define ENTT_META_RESOLVE_HPP
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#include <type_traits>
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#include "../core/type_info.hpp"
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#include "../locator/locator.hpp"
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#include "context.hpp"
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#include "meta.hpp"
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#include "node.hpp"
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#include "range.hpp"
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namespace entt {
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/**
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* @brief Returns the meta type associated with a given type.
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* @tparam Type Type to use to search for a meta type.
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* @param ctx The context from which to search for meta types.
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* @return The meta type associated with the given type, if any.
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*/
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template<typename Type>
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[[nodiscard]] meta_type resolve(const meta_ctx &ctx) noexcept {
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auto &&context = internal::meta_context::from(ctx);
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return {ctx, internal::resolve<std::remove_cv_t<std::remove_reference_t<Type>>>(context)};
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}
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/**
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* @brief Returns the meta type associated with a given type.
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* @tparam Type Type to use to search for a meta type.
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* @return The meta type associated with the given type, if any.
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*/
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template<typename Type>
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[[nodiscard]] meta_type resolve() noexcept {
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return resolve<Type>(locator<meta_ctx>::value_or());
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}
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/**
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* @brief Returns a range to use to visit all meta types.
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* @param ctx The context from which to search for meta types.
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* @return An iterable range to use to visit all meta types.
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*/
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[[nodiscard]] inline meta_range<meta_type, typename decltype(internal::meta_context::value)::const_iterator> resolve(const meta_ctx &ctx) noexcept {
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auto &&context = internal::meta_context::from(ctx);
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return {{ctx, context.value.cbegin()}, {ctx, context.value.cend()}};
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}
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/**
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* @brief Returns a range to use to visit all meta types.
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* @return An iterable range to use to visit all meta types.
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*/
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[[nodiscard]] inline meta_range<meta_type, typename decltype(internal::meta_context::value)::const_iterator> resolve() noexcept {
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return resolve(locator<meta_ctx>::value_or());
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}
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/**
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* @brief Returns the meta type associated with a given identifier, if any.
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* @param ctx The context from which to search for meta types.
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* @param id Unique identifier.
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* @return The meta type associated with the given identifier, if any.
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*/
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[[nodiscard]] inline meta_type resolve(const meta_ctx &ctx, const id_type id) noexcept {
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for(auto &&curr: resolve(ctx)) {
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if(curr.second.id() == id) {
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return curr.second;
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}
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}
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return meta_type{};
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}
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/**
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* @brief Returns the meta type associated with a given identifier, if any.
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* @param id Unique identifier.
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* @return The meta type associated with the given identifier, if any.
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*/
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[[nodiscard]] inline meta_type resolve(const id_type id) noexcept {
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return resolve(locator<meta_ctx>::value_or(), id);
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}
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/**
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* @brief Returns the meta type associated with a given type info object.
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* @param ctx The context from which to search for meta types.
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* @param info The type info object of the requested type.
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* @return The meta type associated with the given type info object, if any.
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*/
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[[nodiscard]] inline meta_type resolve(const meta_ctx &ctx, const type_info &info) noexcept {
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auto &&context = internal::meta_context::from(ctx);
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const auto *elem = internal::try_resolve(context, info);
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return elem ? meta_type{ctx, *elem} : meta_type{};
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}
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/**
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* @brief Returns the meta type associated with a given type info object.
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* @param info The type info object of the requested type.
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* @return The meta type associated with the given type info object, if any.
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*/
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[[nodiscard]] inline meta_type resolve(const type_info &info) noexcept {
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return resolve(locator<meta_ctx>::value_or(), info);
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}
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} // namespace entt
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#endif
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