113 lines
3.4 KiB
C++
113 lines
3.4 KiB
C++
// Copyright (C) 2022 Jérôme "Lynix" Leclercq (lynix680@gmail.com)
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// This file is part of the "Nazara Engine - Core module"
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// For conditions of distribution and use, see copyright notice in Config.hpp
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#pragma once
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#ifndef NAZARA_CORE_PARAMETERLIST_HPP
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#define NAZARA_CORE_PARAMETERLIST_HPP
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#include <Nazara/Prerequisites.hpp>
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#include <Nazara/Core/Color.hpp>
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#include <Nazara/Utils/MovablePtr.hpp>
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#include <atomic>
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#include <string>
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#include <unordered_map>
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namespace Nz
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{
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class NAZARA_CORE_API ParameterList
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{
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public:
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using Destructor = void (*)(void* value);
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ParameterList() = default;
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ParameterList(const ParameterList& list);
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ParameterList(ParameterList&&) = default;
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~ParameterList();
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void Clear();
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inline void ForEach(const std::function<bool(const ParameterList& list, const std::string& name)>& callback);
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inline void ForEach(const std::function<void(const ParameterList& list, const std::string& name)>& callback) const;
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bool GetBooleanParameter(const std::string& name, bool* value) const;
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bool GetColorParameter(const std::string& name, Color* value) const;
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bool GetDoubleParameter(const std::string& name, double* value) const;
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bool GetIntegerParameter(const std::string& name, long long* value) const;
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bool GetParameterType(const std::string& name, ParameterType* type) const;
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bool GetPointerParameter(const std::string& name, void** value) const;
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bool GetStringParameter(const std::string& name, std::string* value) const;
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bool GetUserdataParameter(const std::string& name, void** value) const;
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bool HasParameter(const std::string& name) const;
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void RemoveParameter(const std::string& name);
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void SetParameter(const std::string& name);
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void SetParameter(const std::string& name, const Color& value);
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void SetParameter(const std::string& name, const std::string& value);
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void SetParameter(const std::string& name, const char* value);
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void SetParameter(const std::string& name, bool value);
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void SetParameter(const std::string& name, double value);
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void SetParameter(const std::string& name, long long value);
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void SetParameter(const std::string& name, void* value);
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void SetParameter(const std::string& name, void* value, Destructor destructor);
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std::string ToString() const;
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ParameterList& operator=(const ParameterList& list);
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ParameterList& operator=(ParameterList&&) = default;
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private:
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struct Parameter
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{
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struct UserdataValue
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{
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UserdataValue(Destructor func, void* ud) :
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counter(1),
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destructor(func),
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ptr(ud)
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{
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}
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std::atomic_uint counter;
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Destructor destructor;
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MovablePtr<void> ptr;
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};
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ParameterType type;
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union Value
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{
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// We define an empty constructor/destructor, to be able to put classes in the union
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Value() {}
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Value(const Value&) {} // Placeholder
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Value(Value&&) noexcept {} // Placeholder
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~Value() {}
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bool boolVal;
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double doubleVal;
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long long intVal;
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void* ptrVal;
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Color colorVal;
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std::string stringVal;
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UserdataValue* userdataVal;
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};
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Value value;
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};
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Parameter& CreateValue(const std::string& name);
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void DestroyValue(Parameter& parameter);
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using ParameterMap = std::unordered_map<std::string, Parameter>;
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ParameterMap m_parameters;
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};
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}
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std::ostream& operator<<(std::ostream& out, const Nz::ParameterList& parameterList);
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#include <Nazara/Core/ParameterList.inl>
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#endif // NAZARA_CORE_PARAMETERLIST_HPP
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