APerformanceSection.h

/*
 * AUI Framework - Declarative UI toolkit for modern C++20
 * Copyright (C) 2020-2025 Alex2772 and Contributors
 *
 * SPDX-License-Identifier: MPL-2.0
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 */
 
#pragma once
 
#include <chrono>
#include <optional>
 
#include "AUI/Common/AColor.h"
#include "AUI/Common/AString.h"
#include "AUI/Common/AVector.h"

class API_AUI_CORE APerformanceSection {
public:
   struct Data {
       const char* name;

       AColor color;
       std::string verboseInfo;
       std::chrono::high_resolution_clock::duration duration = std::chrono::high_resolution_clock::duration(0);
       AVector<Data> children;
   };
 
   using Datas = AVector<Data>;
 
#if AUI_PROFILING
   APerformanceSection(const char* name, AOptional<AColor> color = std::nullopt, std::string verboseInfo = {});
   ~APerformanceSection();
 
   void addSection(Data section) {
       mChildren << std::move(section);
   }
 
#else
   // expected to be optimized out

   APerformanceSection(const char* name, AOptional<AColor> color = std::nullopt, std::string verboseInfo = {}) {}
   ~APerformanceSection() = default;
#endif
 
private:
#if AUI_PROFILING
   static APerformanceSection*& current() noexcept {
       thread_local APerformanceSection* v = nullptr;
       return v;
   }
 
   const char* mName;
   AColor mColor;
   std::string mVerboseInfo;
   std::chrono::high_resolution_clock::time_point mStart;
   AVector<Data> mChildren;
 
   APerformanceSection* mParent;
 
   static AColor generateColorFromName(const char* name);
#endif
};

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