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settings: Give indices to enums
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ecc1feff64
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@ -220,6 +220,11 @@ public:
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*/
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[[nodiscard]] virtual constexpr bool Ranged() const = 0;
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/**
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* @returns The index of the enum if the underlying setting type is an enum, else max of u32.
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*/
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[[nodiscard]] virtual constexpr u32 EnumIndex() const = 0;
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/*
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* Switchable settings
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*/
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@ -11,8 +11,9 @@
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namespace Settings {
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template <typename T>
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struct Canonicalization {
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static constexpr std::vector<std::pair<std::string, T>> Get();
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struct EnumMetadata {
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static constexpr std::vector<std::pair<std::string, T>> Canonicalizations();
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static constexpr u32 Index();
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};
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#define PAIR_45(N, X, ...) {#X, N::X} __VA_OPT__(, PAIR_46(N, __VA_ARGS__))
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@ -65,10 +66,17 @@ struct Canonicalization {
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#define ENUM(NAME, ...) \
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enum class NAME : u32 { __VA_ARGS__ }; \
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template <> \
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constexpr std::vector<std::pair<std::string, NAME>> Canonicalization<NAME>::Get() { \
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constexpr std::vector<std::pair<std::string, NAME>> EnumMetadata<NAME>::Canonicalizations() { \
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return {PAIR(NAME, __VA_ARGS__)}; \
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} \
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template <> \
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constexpr u32 EnumMetadata<NAME>::Index() { \
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return __COUNTER__; \
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}
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// AudioEngine must be specified discretely due to having existing but slightly different
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// canonicalizations
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// TODO (lat9nq): Remove explicit definition of AudioEngine/sink_id
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enum class AudioEngine : u32 {
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Auto,
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Cubeb,
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@ -77,7 +85,8 @@ enum class AudioEngine : u32 {
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};
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template <>
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constexpr std::vector<std::pair<std::string, AudioEngine>> Canonicalization<AudioEngine>::Get() {
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constexpr std::vector<std::pair<std::string, AudioEngine>>
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EnumMetadata<AudioEngine>::Canonicalizations() {
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return {
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{"auto", AudioEngine::Auto},
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{"cubeb", AudioEngine::Cubeb},
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@ -86,6 +95,13 @@ constexpr std::vector<std::pair<std::string, AudioEngine>> Canonicalization<Audi
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};
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}
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template <>
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constexpr u32 EnumMetadata<AudioEngine>::Index() {
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// This is just a sufficiently large number that is more than the number of other enums declared
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// here
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return 100;
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}
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ENUM(AudioMode, Mono, Stereo, Surround);
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ENUM(Language, Japanese, EnglishAmerican, French, German, Italian, Spanish, Chinese, Korean, Dutch,
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@ -130,7 +146,7 @@ ENUM(AspectRatio, R16_9, R4_3, R21_9, R16_10, Stretch);
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template <typename Type>
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constexpr std::string CanonicalizeEnum(Type id) {
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const auto group = Canonicalization<Type>::Get();
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const auto group = EnumMetadata<Type>::Canonicalizations();
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for (auto& [name, value] : group) {
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if (value == id) {
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return name;
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@ -141,7 +157,7 @@ constexpr std::string CanonicalizeEnum(Type id) {
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template <typename Type>
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constexpr Type ToEnum(const std::string& canonicalization) {
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const auto group = Canonicalization<Type>::Get();
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const auto group = EnumMetadata<Type>::Canonicalizations();
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for (auto& [name, value] : group) {
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if (name == canonicalization) {
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return value;
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@ -3,6 +3,7 @@
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#pragma once
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#include <limits>
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#include <map>
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#include <optional>
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#include <stdexcept>
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@ -197,6 +198,14 @@ public:
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return std::type_index(typeid(Type));
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}
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constexpr u32 EnumIndex() const override {
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if constexpr (std::is_enum<Type>()) {
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return EnumMetadata<Type>::Index();
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} else {
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return std::numeric_limits<u32>::max();
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}
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}
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virtual std::string MinVal() const override {
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return this->ToString(minimum);
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}
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