Core/ParameterList: Add ForEach methods

include/Nazara/Core/ParameterList.hpp

@@ -27,6 +27,9 @@ namespace Nz
 
 			void Clear();
 
+			inline void ForEach(const std::function<bool(const ParameterList& list, const String& name)>& callback);
+			inline void ForEach(const std::function<void(const ParameterList& list, const String& name)>& callback) const;
+
 			bool GetBooleanParameter(const String& name, bool* value) const;
 			bool GetColorParameter(const String& name, Color* value) const;
 			bool GetFloatParameter(const String& name, float* value) const;
@@ -102,4 +105,6 @@ namespace Nz
 
 std::ostream& operator<<(std::ostream& out, const Nz::ParameterList& parameterList);
 
+#include <Nazara/Core/ParameterList.inl>
+
 #endif // NAZARA_PARAMETERLIST_HPP

include/Nazara/Core/ParameterList.inl

@@ -0,0 +1,42 @@
+// Copyright (C) 2017 Jérôme Leclercq
+// This file is part of the "Nazara Engine - Core module"
+// For conditions of distribution and use, see copyright notice in Config.hpp
+
+#include <Nazara/Core/ParameterList.hpp>
+#include <Nazara/Core/Debug.hpp>
+
+namespace Nz
+{
+	/*!
+	* \brief Iterates over every value of the parameter list
+	*
+	* \param callback Callback function called with every parameter contained in the list, which can return true to remove the key (or false to keep it)
+	*
+	* \remark Changing the ParameterList while iterating on it may cause bugs, but querying data is safe.
+	*/
+	inline void ParameterList::ForEach(const std::function<bool(const ParameterList& list, const String& name)>& callback)
+	{
+		for (auto it = m_parameters.begin(); it != m_parameters.end();)
+		{
+			if (callback(*this, it->first))
+				it = m_parameters.erase(it);
+			else
+				++it;
+		}
+	}
+
+	/*!
+	* \brief Iterates over every value of the parameter list
+	*
+	* \param callback Callback function called with every parameter contained in the list
+	*
+	* \remark Changing the ParameterList while iterating on it may cause bugs, but querying data is safe.
+	*/
+	inline void ParameterList::ForEach(const std::function<void(const ParameterList& list, const String& name)>& callback) const
+	{
+		for (auto& pair : m_parameters)
+			callback(*this, pair.first);
+	}
+}
+
+#include <Nazara/Core/DebugOff.hpp>