Added ParameterList class
Former-commit-id: c592d0a09c33aa23b5efe635734c52b726364085
This commit is contained in:
Lynix
parent
a441a30beb
commit
47959eaaeb
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@ -60,6 +60,19 @@ enum nzHash
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nzHash_Whirlpool
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};
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enum nzParameterType
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{
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nzParameterType_Boolean,
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nzParameterType_Float,
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nzParameterType_Integer,
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nzParameterType_None,
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nzParameterType_Pointer,
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nzParameterType_String,
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nzParameterType_Userdata,
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nzParameterType_Max = nzParameterType_Userdata
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};
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enum nzPlugin
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{
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nzPlugin_Assimp,
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@ -0,0 +1,94 @@
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// Copyright (C) 2014 Jérôme Leclercq
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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_PARAMETERLIST_HPP
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#define NAZARA_PARAMETERLIST_HPP
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#include <Nazara/Prerequesites.hpp>
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#include <Nazara/Core/String.hpp>
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#include <atomic>
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#include <unordered_map>
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class NAZARA_API NzParameterList
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{
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public:
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using Destructor = void (*)(void* value);
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NzParameterList() = default;
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NzParameterList(const NzParameterList& list);
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NzParameterList(NzParameterList&& list);
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virtual ~NzParameterList();
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void Clear();
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bool GetBooleanParameter(const NzString& name, bool* succeeded = nullptr) const;
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float GetFloatParameter(const NzString& name, bool* succeeded = nullptr) const;
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int GetIntegerParameter(const NzString& name, bool* succeeded = nullptr) const;
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nzParameterType GetParameterType(const NzString& name, bool* existing = nullptr) const;
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void* GetPointerParameter(const NzString& name, bool* succeeded = nullptr) const;
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NzString GetStringParameter(const NzString& name, bool* succeeded = nullptr) const;
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void* GetUserdataParameter(const NzString& name, bool* succeeded = nullptr) const;
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bool HasParameter(const NzString& name) const;
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void RemoveParameter(const NzString& name);
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void SetParameter(const NzString& name);
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void SetParameter(const NzString& name, const NzString& value);
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void SetParameter(const NzString& name, const char* value);
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void SetParameter(const NzString& name, void* value);
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void SetParameter(const NzString& name, void* value, Destructor destructor);
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void SetParameter(const NzString& name, bool value);
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void SetParameter(const NzString& name, float value);
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void SetParameter(const NzString& name, int value);
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NzParameterList& operator=(const NzParameterList& list);
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NzParameterList& operator=(NzParameterList&& list);
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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 Destructor, void* value) :
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counter(1),
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destructor(Destructor),
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ptr(value)
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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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void* ptr;
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};
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nzParameterType type;
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union Value
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{
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// On définit un constructeur/destructeur vide, permettant de mettre des classes dans l'union
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Value() {}
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Value(const Value&) {} // Placeholder
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~Value() {}
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bool boolVal;
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float floatVal;
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int intVal;
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void* ptrVal;
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NzString 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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using ParameterMap = std::unordered_map<NzString, Parameter>;
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void DestroyValue(Parameter& parameter);
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ParameterMap m_parameters;
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};
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#endif // NAZARA_PARAMETERLIST_HPP
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@ -0,0 +1,541 @@
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// Copyright (C) 2014 Jérôme Leclercq
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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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#include <Nazara/Core/ParameterList.hpp>
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#include <Nazara/Core/Error.hpp>
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#include <cstring>
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#include <limits>
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#include <new>
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#include <Nazara/Core/Debug.hpp>
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NzParameterList::NzParameterList(const NzParameterList& list)
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{
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operator=(list);
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}
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NzParameterList::NzParameterList(NzParameterList&& list) :
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m_parameters(std::move(list.m_parameters))
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{
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}
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NzParameterList::~NzParameterList()
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{
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Clear();
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}
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void NzParameterList::Clear()
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{
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for (auto it = m_parameters.begin(); it != m_parameters.end(); ++it)
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DestroyValue(it->second);
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m_parameters.clear();
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}
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bool NzParameterList::GetBooleanParameter(const NzString& name, bool* succeeded) const
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{
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auto it = m_parameters.find(name);
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if (it == m_parameters.end())
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{
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if (succeeded)
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*succeeded = false;
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NazaraError("Parameter \"" + name + "\" is not present");
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return false;
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}
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switch (it->second.type)
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{
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case nzParameterType_Boolean:
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if (succeeded)
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*succeeded = true;
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return it->second.value.boolVal;
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case nzParameterType_Integer:
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if (succeeded)
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*succeeded = true;
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return (it->second.value.intVal != 0);
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case nzParameterType_String:
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{
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bool value;
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if (it->second.value.stringVal.ToBool(&value, NzString::CaseInsensitive))
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{
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if (succeeded)
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*succeeded = true;
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return value;
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}
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break;
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}
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case nzParameterType_Float:
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case nzParameterType_None:
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case nzParameterType_Pointer:
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case nzParameterType_Userdata:
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break;
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}
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if (succeeded)
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*succeeded = false;
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NazaraError("Parameter value is not representable as a boolean");
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return false;
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}
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float NzParameterList::GetFloatParameter(const NzString& name, bool* succeeded) const
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{
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auto it = m_parameters.find(name);
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if (it == m_parameters.end())
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{
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if (succeeded)
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*succeeded = false;
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NazaraError("Parameter \"" + name + "\" is not present");
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return std::numeric_limits<float>::quiet_NaN();
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}
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switch (it->second.type)
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{
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case nzParameterType_Float:
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if (succeeded)
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*succeeded = true;
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return it->second.value.floatVal;
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case nzParameterType_Integer:
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if (succeeded)
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*succeeded = true;
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return it->second.value.intVal;
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case nzParameterType_String:
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{
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double value;
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if (it->second.value.stringVal.ToDouble(&value))
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{
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if (succeeded)
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*succeeded = true;
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return value;
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}
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break;
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}
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case nzParameterType_Boolean:
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case nzParameterType_None:
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case nzParameterType_Pointer:
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case nzParameterType_Userdata:
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break;
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}
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if (succeeded)
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*succeeded = false;
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NazaraError("Parameter value is not representable as a float");
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return std::numeric_limits<float>::quiet_NaN();
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}
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int NzParameterList::GetIntegerParameter(const NzString& name, bool* succeeded) const
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{
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auto it = m_parameters.find(name);
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if (it == m_parameters.end())
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{
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if (succeeded)
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*succeeded = false;
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NazaraError("Parameter \"" + name + "\" is not present");
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return 0;
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}
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switch (it->second.type)
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{
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case nzParameterType_Boolean:
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return (it->second.value.boolVal) ? 1 : 0;
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case nzParameterType_Float:
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if (succeeded)
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*succeeded = true;
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return it->second.value.floatVal;
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case nzParameterType_Integer:
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if (succeeded)
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*succeeded = true;
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return it->second.value.intVal;
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case nzParameterType_String:
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{
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long long value;
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if (it->second.value.stringVal.ToInteger(&value))
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{
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if (value <= std::numeric_limits<int>::max() && value >= std::numeric_limits<int>::min())
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{
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if (succeeded)
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*succeeded = true;
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return value;
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}
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}
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break;
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}
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case nzParameterType_None:
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case nzParameterType_Pointer:
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case nzParameterType_Userdata:
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break;
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}
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if (succeeded)
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*succeeded = false;
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NazaraError("Parameter value is not representable as a integer");
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return 0;
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}
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nzParameterType NzParameterList::GetParameterType(const NzString& name, bool* existing) const
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{
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auto it = m_parameters.find(name);
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if (it == m_parameters.end())
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{
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if (existing)
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*existing = false;
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return nzParameterType_None;
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}
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if (existing)
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*existing = true;
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return it->second.type;
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}
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void* NzParameterList::GetPointerParameter(const NzString& name, bool* succeeded) const
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{
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auto it = m_parameters.find(name);
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if (it == m_parameters.end())
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{
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if (succeeded)
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*succeeded = false;
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NazaraError("Parameter \"" + name + "\" is not present");
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return nullptr;
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}
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switch (it->second.type)
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{
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case nzParameterType_Pointer:
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if (succeeded)
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*succeeded = true;
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return it->second.value.ptrVal;
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case nzParameterType_Userdata:
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if (succeeded)
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*succeeded = true;
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return it->second.value.userdataVal->ptr;
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case nzParameterType_Boolean:
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case nzParameterType_Float:
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case nzParameterType_Integer:
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case nzParameterType_None:
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case nzParameterType_String:
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break;
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}
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if (succeeded)
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*succeeded = false;
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NazaraError("Parameter value is not a pointer");
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return nullptr;
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}
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NzString NzParameterList::GetStringParameter(const NzString& name, bool* succeeded) const
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{
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auto it = m_parameters.find(name);
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if (it == m_parameters.end())
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{
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if (succeeded)
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*succeeded = false;
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NazaraError("Parameter \"" + name + "\" is not present");
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return NzString();
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}
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switch (it->second.type)
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{
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case nzParameterType_Boolean:
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if (succeeded)
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*succeeded = true;
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return NzString::Boolean(it->second.value.boolVal);
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case nzParameterType_Float:
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if (succeeded)
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*succeeded = true;
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return NzString::Number(it->second.value.floatVal);
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case nzParameterType_Integer:
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if (succeeded)
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*succeeded = true;
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return NzString::Number(it->second.value.intVal);
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case nzParameterType_String:
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if (succeeded)
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*succeeded = true;
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return it->second.value.stringVal;
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case nzParameterType_Pointer:
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if (succeeded)
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*succeeded = true;
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return NzString::Pointer(it->second.value.ptrVal);
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case nzParameterType_Userdata:
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if (succeeded)
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*succeeded = true;
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return NzString::Pointer(it->second.value.userdataVal->ptr);
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case nzParameterType_None:
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if (succeeded)
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*succeeded = true;
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return NzString();
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}
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if (succeeded)
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*succeeded = false;
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NazaraInternalError("Parameter value is not valid");
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return NzString();
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}
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void* NzParameterList::GetUserdataParameter(const NzString& name, bool* succeeded) const
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{
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auto it = m_parameters.find(name);
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if (it == m_parameters.end())
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{
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if (succeeded)
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*succeeded = false;
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NazaraError("Parameter \"" + name + "\" is not present");
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return nullptr;
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}
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switch (it->second.type)
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{
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case nzParameterType_Userdata:
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if (succeeded)
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*succeeded = true;
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return it->second.value.userdataVal->ptr;
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case nzParameterType_Boolean:
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case nzParameterType_Float:
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case nzParameterType_Integer:
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case nzParameterType_None:
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case nzParameterType_Pointer:
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case nzParameterType_String:
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break;
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}
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if (succeeded)
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*succeeded = false;
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NazaraError("Parameter value is not an userdata");
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return nullptr;
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}
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bool NzParameterList::HasParameter(const NzString& name) const
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{
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return m_parameters.find(name) != m_parameters.end();
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}
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void NzParameterList::RemoveParameter(const NzString& name)
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{
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auto it = m_parameters.find(name);
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if (it != m_parameters.end())
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{
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DestroyValue(it->second);
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m_parameters.erase(it);
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}
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}
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void NzParameterList::SetParameter(const NzString& name)
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{
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std::pair<ParameterMap::iterator, bool> pair = m_parameters.insert(std::make_pair(name, Parameter()));
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Parameter& parameter = pair.first->second;
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if (!pair.second)
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DestroyValue(parameter);
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parameter.type = nzParameterType_None;
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}
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void NzParameterList::SetParameter(const NzString& name, const NzString& value)
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{
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std::pair<ParameterMap::iterator, bool> pair = m_parameters.insert(std::make_pair(name, Parameter()));
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Parameter& parameter = pair.first->second;
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if (!pair.second)
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DestroyValue(parameter);
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parameter.type = nzParameterType_String;
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new (¶meter.value.stringVal) NzString(value);
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}
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void NzParameterList::SetParameter(const NzString& name, const char* value)
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{
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std::pair<ParameterMap::iterator, bool> pair = m_parameters.insert(std::make_pair(name, Parameter()));
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Parameter& parameter = pair.first->second;
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if (!pair.second)
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DestroyValue(parameter);
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parameter.type = nzParameterType_String;
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new (¶meter.value.stringVal) NzString(value);
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}
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void NzParameterList::SetParameter(const NzString& name, void* value)
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{
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std::pair<ParameterMap::iterator, bool> pair = m_parameters.insert(std::make_pair(name, Parameter()));
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Parameter& parameter = pair.first->second;
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if (!pair.second)
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DestroyValue(parameter);
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parameter.type = nzParameterType_Pointer;
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parameter.value.ptrVal = value;
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}
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void NzParameterList::SetParameter(const NzString& name, void* value, Destructor destructor)
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{
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std::pair<ParameterMap::iterator, bool> pair = m_parameters.insert(std::make_pair(name, Parameter()));
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Parameter& parameter = pair.first->second;
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if (!pair.second)
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DestroyValue(parameter);
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parameter.type = nzParameterType_Userdata;
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parameter.value.userdataVal = new Parameter::UserdataValue(destructor, value);
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}
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void NzParameterList::SetParameter(const NzString& name, bool value)
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{
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std::pair<ParameterMap::iterator, bool> pair = m_parameters.insert(std::make_pair(name, Parameter()));
|
||||
Parameter& parameter = pair.first->second;
|
||||
|
||||
if (!pair.second)
|
||||
DestroyValue(parameter);
|
||||
|
||||
parameter.type = nzParameterType_Boolean;
|
||||
parameter.value.boolVal = value;
|
||||
}
|
||||
|
||||
void NzParameterList::SetParameter(const NzString& name, float value)
|
||||
{
|
||||
std::pair<ParameterMap::iterator, bool> pair = m_parameters.insert(std::make_pair(name, Parameter()));
|
||||
Parameter& parameter = pair.first->second;
|
||||
|
||||
if (!pair.second)
|
||||
DestroyValue(parameter);
|
||||
|
||||
parameter.type = nzParameterType_Float;
|
||||
parameter.value.floatVal = value;
|
||||
}
|
||||
|
||||
void NzParameterList::SetParameter(const NzString& name, int value)
|
||||
{
|
||||
std::pair<ParameterMap::iterator, bool> pair = m_parameters.insert(std::make_pair(name, Parameter()));
|
||||
Parameter& parameter = pair.first->second;
|
||||
|
||||
if (!pair.second)
|
||||
DestroyValue(parameter);
|
||||
|
||||
parameter.type = nzParameterType_Integer;
|
||||
parameter.value.intVal = value;
|
||||
}
|
||||
|
||||
NzParameterList& NzParameterList::operator=(const NzParameterList& list)
|
||||
{
|
||||
Clear();
|
||||
|
||||
for (auto it = list.m_parameters.begin(); it != list.m_parameters.end(); ++it)
|
||||
{
|
||||
Parameter& parameter = m_parameters[it->first];
|
||||
|
||||
switch (it->second.type)
|
||||
{
|
||||
case nzParameterType_Boolean:
|
||||
case nzParameterType_Float:
|
||||
case nzParameterType_Integer:
|
||||
case nzParameterType_Pointer:
|
||||
std::memcpy(¶meter, &it->second, sizeof(Parameter));
|
||||
break;
|
||||
|
||||
case nzParameterType_String:
|
||||
parameter.type = nzParameterType_String;
|
||||
|
||||
new (¶meter.value.stringVal) NzString(it->second.value.stringVal);
|
||||
break;
|
||||
|
||||
case nzParameterType_Userdata:
|
||||
parameter.type = nzParameterType_Userdata;
|
||||
parameter.value.userdataVal = it->second.value.userdataVal;
|
||||
++(parameter.value.userdataVal->counter);
|
||||
break;
|
||||
|
||||
case nzParameterType_None:
|
||||
parameter.type = nzParameterType_None;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
return *this;
|
||||
}
|
||||
|
||||
NzParameterList& NzParameterList::operator=(NzParameterList&& list)
|
||||
{
|
||||
m_parameters = std::move(list.m_parameters);
|
||||
return *this;
|
||||
}
|
||||
|
||||
void NzParameterList::DestroyValue(Parameter& parameter)
|
||||
{
|
||||
switch (parameter.type)
|
||||
{
|
||||
case nzParameterType_String:
|
||||
parameter.value.stringVal.~NzString();
|
||||
break;
|
||||
|
||||
case nzParameterType_Userdata:
|
||||
{
|
||||
Parameter::UserdataValue* userdata = parameter.value.userdataVal;
|
||||
if (--userdata->counter == 0)
|
||||
{
|
||||
userdata->destructor(userdata->ptr);
|
||||
delete userdata;
|
||||
}
|
||||
break;
|
||||
}
|
||||
|
||||
case nzParameterType_Boolean:
|
||||
case nzParameterType_Float:
|
||||
case nzParameterType_Integer:
|
||||
case nzParameterType_None:
|
||||
case nzParameterType_Pointer:
|
||||
break;
|
||||
}
|
||||
}
|
||||
Loading…
Reference in New Issue