NazaraEngine/include/Nazara/Core/ParameterList.hpp

102 lines
2.8 KiB
C++

// Copyright (C) 2015 Jérôme Leclercq
// This file is part of the "Nazara Engine - Core module"
// For conditions of distribution and use, see copyright notice in Config.hpp
#pragma once
#ifndef NAZARA_PARAMETERLIST_HPP
#define NAZARA_PARAMETERLIST_HPP
#include <Nazara/Prerequesites.hpp>
#include <Nazara/Core/Color.hpp>
#include <Nazara/Core/String.hpp>
#include <atomic>
#include <unordered_map>
namespace Nz
{
class NAZARA_CORE_API ParameterList
{
public:
using Destructor = void (*)(void* value);
ParameterList() = default;
ParameterList(const ParameterList& list);
ParameterList(ParameterList&&) = default;
~ParameterList();
void Clear();
bool GetBooleanParameter(const String& name, bool* value) const;
bool GetColorParameter(const String& name, Color* value) const;
bool GetFloatParameter(const String& name, float* value) const;
bool GetIntegerParameter(const String& name, int* value) const;
bool GetParameterType(const String& name, ParameterType* type) const;
bool GetPointerParameter(const String& name, void** value) const;
bool GetStringParameter(const String& name, String* value) const;
bool GetUserdataParameter(const String& name, void** value) const;
bool HasParameter(const String& name) const;
void RemoveParameter(const String& name);
void SetParameter(const String& name);
void SetParameter(const String& name, const Color& value);
void SetParameter(const String& name, const String& value);
void SetParameter(const String& name, const char* value);
void SetParameter(const String& name, bool value);
void SetParameter(const String& name, float value);
void SetParameter(const String& name, int value);
void SetParameter(const String& name, void* value);
void SetParameter(const String& name, void* value, Destructor destructor);
ParameterList& operator=(const ParameterList& list);
ParameterList& operator=(ParameterList&&) = default;
private:
struct Parameter
{
struct UserdataValue
{
UserdataValue(Destructor Destructor, void* value) :
counter(1),
destructor(Destructor),
ptr(value)
{
}
std::atomic_uint counter;
Destructor destructor;
void* ptr;
};
ParameterType type;
union Value
{
// On définit un constructeur/destructeur vide, permettant de mettre des classes dans l'union
Value() {}
Value(const Value&) {} // Placeholder
~Value() {}
bool boolVal;
float floatVal;
int intVal;
void* ptrVal;
Color colorVal;
String stringVal;
UserdataValue* userdataVal;
};
Value value;
};
Parameter& CreateValue(const String& name);
void DestroyValue(Parameter& parameter);
using ParameterMap = std::unordered_map<String, Parameter>;
ParameterMap m_parameters;
};
}
#endif // NAZARA_PARAMETERLIST_HPP