61 lines
1.6 KiB
C++
61 lines
1.6 KiB
C++
#pragma once
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#include <exception>
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#include <memory>
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#include <string>
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#include <type_traits>
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#include <unordered_set>
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#include <utility>
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#include <imgui.h>
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#include "nf7.hh"
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namespace nf7 {
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template <typename T>
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class GenericTypeInfo : public nf7::File::TypeInfo {
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public:
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GenericTypeInfo(const std::string& name,
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std::unordered_set<std::string>&& v,
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const std::string& desc = "(no description)") noexcept :
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TypeInfo(name, AddFlags(std::move(v))), desc_(desc) {
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}
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std::unique_ptr<nf7::File> Deserialize(nf7::Deserializer& ar) const override
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try {
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if constexpr (std::is_constructible<T, nf7::Deserializer&>::value) {
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return std::make_unique<T>(ar);
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} else {
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throw nf7::Exception {name() + " is not a deserializable"};
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}
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} catch (std::exception&) {
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throw nf7::DeserializeException {"deserialization failed ("+name()+")"};
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}
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std::unique_ptr<File> Create(nf7::Env& env) const override {
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if constexpr (std::is_constructible<T, nf7::Env&>::value) {
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return std::make_unique<T>(env);
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} else {
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throw nf7::Exception {name()+" has no default factory"};
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}
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}
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void UpdateTooltip() const noexcept override {
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ImGui::TextUnformatted(desc_.c_str());
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}
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private:
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std::string desc_;
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static std::unordered_set<std::string> AddFlags(
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std::unordered_set<std::string>&& flags) noexcept {
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if (std::is_constructible<T, nf7::Env&>::value) {
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flags.insert("nf7::File::TypeInfo::Factory");
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}
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return flags;
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}
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};
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} // namespace nf7
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