Core: Switch Hashable struct to HashAppend function

Former-commit-id: 2a20eca0e75bf4067d390f4f5e446de78f26799c

include/Nazara/Core/File.inl

@@ -3,8 +3,7 @@
 // For conditions of distribution and use, see copyright notice in Config.hpp
 
 #include <Nazara/Core/AbstractHash.hpp>
-#include <Nazara/Core/Error.hpp>
-#include <Nazara/Core/ByteArray.hpp>
+#include <Nazara/Core/Algorithm.hpp>
 #include <Nazara/Core/Debug.hpp>
 
 namespace Nz
@@ -18,39 +17,6 @@ namespace Nz
 	{
 		return Nz::ComputeHash(hash, File(filePath));
 	}
-
-	template<>
-	struct Hashable<File>
-	{
-		bool operator()(const Nz::File& originalFile, AbstractHash* hash) const
-		{
-
-			File file(originalFile.GetPath());
-			if (!file.Open(OpenMode_ReadOnly))
-			{
-				NazaraError("Unable to open file");
-				return false;
-			}
-
-			UInt64 remainingSize = file.GetSize();
-
-			char buffer[NAZARA_CORE_FILE_BUFFERSIZE];
-			while (remainingSize > 0)
-			{
-				unsigned int size = static_cast<unsigned int>(std::min(remainingSize, static_cast<UInt64>(NAZARA_CORE_FILE_BUFFERSIZE)));
-				if (file.Read(&buffer[0], sizeof(char), size) != sizeof(char)*size)
-				{
-					NazaraError("Unable to read file");
-					return false;
-				}
-
-				remainingSize -= size;
-				hash->Append(reinterpret_cast<UInt8*>(&buffer[0]), size);
-			}
-
-			return true;
-		}
-	};
 }
 
 #include <Nazara/Core/DebugOff.hpp>