first commit

ZAPDTR/ZAPD/Utils/MemoryStream.h

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+#pragma once
+
+#include <memory>
+#include <vector>
+#include "Stream.h"
+
+class MemoryStream : public Stream
+{
+public:
+	MemoryStream();
+	MemoryStream(char* nBuffer, size_t nBufferSize);
+	~MemoryStream();
+
+	uint64_t GetLength() override;
+
+	void Seek(int32_t offset, SeekOffsetType seekType) override;
+
+	std::unique_ptr<char[]> Read(size_t length) override;
+	void Read(const char* dest, size_t length) override;
+	int8_t ReadByte() override;
+
+	void Write(char* srcBuffer, size_t length) override;
+	void WriteByte(int8_t value) override;
+
+	std::vector<char> ToVector();
+
+	void Flush() override;
+	void Close() override;
+
+protected:
+	std::vector<char> buffer;
+	std::size_t bufferSize;
+};