EQStream abstraction layer

common/util/memory_stream.h

@@ -0,0 +1,31 @@
+#pragma once
+
+#include <streambuf>
+#include <istream>
+#include <ostream>
+
+namespace EQ
+{
+	namespace Util {
+		class MemoryBuffer : public std::streambuf
+		{
+		public:
+			MemoryBuffer(char* base, size_t size) {
+				setg(base, base, base + size);
+				setp(base, base + size);
+			}
+		};
+
+		class MemoryStreamWriter : virtual MemoryBuffer, public std::ostream
+		{
+		public:
+			MemoryStreamWriter(char* base, size_t size) : MemoryBuffer(base, size), std::ostream(static_cast<std::streambuf*>(this)) { }
+		};
+
+		class MemoryStreamReader : virtual MemoryBuffer, public std::istream
+		{
+		public:
+			MemoryStreamReader(char* base, size_t size) : MemoryBuffer(base, size), std::istream(static_cast<std::streambuf*>(this)) { }
+		};
+	}
+}