rckrdmrd
97f407c661
- Prefijo v2: MCH - TRACEABILITY-MASTER.yml creado - Listo para integracion como submodulo Workspace: v2.0.0 | SIMCO: v4.0.0
101 lines
2.9 KiB
C++
101 lines
2.9 KiB
C++
/*
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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#pragma once
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#include "UniqueMonostate.h"
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#include <optional>
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#include <string>
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#include <unordered_set>
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#include <variant>
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namespace facebook::react::jsinspector_modern {
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struct ExecutionContextDescription {
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int32_t id{};
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std::string origin;
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std::string name{"<anonymous>"};
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std::optional<std::string> uniqueId;
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};
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/**
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* A type-safe selector for execution contexts.
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*/
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class ExecutionContextSelector {
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public:
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/**
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* Returns true iff this selector matches \c context.
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*/
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bool matches(const ExecutionContextDescription &context) const noexcept;
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/**
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* Returns a new selector that matches only the given execution context ID.
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*/
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static ExecutionContextSelector byId(int32_t id);
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/**
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* Returns a new selector that matches only the given execution context name.
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*/
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static ExecutionContextSelector byName(std::string name);
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/**
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* Returns a new selector that matches any execution context.
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*/
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static ExecutionContextSelector all();
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ExecutionContextSelector() = delete;
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ExecutionContextSelector(const ExecutionContextSelector &other) = default;
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ExecutionContextSelector(ExecutionContextSelector &&other) noexcept = default;
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ExecutionContextSelector &operator=(const ExecutionContextSelector &other) = default;
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ExecutionContextSelector &operator=(ExecutionContextSelector &&other) noexcept = default;
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~ExecutionContextSelector() = default;
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inline bool operator==(const ExecutionContextSelector &other) const noexcept
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{
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return value_ == other.value_;
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}
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private:
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/**
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* Marker type used to represent "all execution contexts".
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*
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* Q: What is a UniqueMonostate?
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* A: std::monostate, but it's distinct from other UniqueMonostate<...>s, so
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* you can use multiple of them in the same variant without ambiguity.
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*/
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using AllContexts = UniqueMonostate<0>;
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using ContextId = int32_t;
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using ContextName = std::string;
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using Representation = std::variant<AllContexts, ContextId, ContextName>;
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explicit inline ExecutionContextSelector(Representation &&r) : value_(r) {}
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Representation value_;
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friend struct std::hash<facebook::react::jsinspector_modern::ExecutionContextSelector>;
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};
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using ExecutionContextSelectorSet = std::unordered_set<ExecutionContextSelector>;
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bool matchesAny(const ExecutionContextDescription &context, const ExecutionContextSelectorSet &selectors);
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} // namespace facebook::react::jsinspector_modern
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namespace std {
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template <>
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struct hash<::facebook::react::jsinspector_modern::ExecutionContextSelector> {
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size_t operator()(const ::facebook::react::jsinspector_modern::ExecutionContextSelector &selector) const
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{
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return hash<::facebook::react::jsinspector_modern::ExecutionContextSelector::Representation>{}(selector.value_);
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}
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};
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} // namespace std
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