#pragma once

#include "IEngine.h"
#include "IFileSystem.h"


class File
	: public IFile
{
public:
	File(IEngine* ar_Engine_, char* ac_Buffer_, unsigned int argBufferLength, const string16 argFileName);
	virtual ~File();

	virtual char* get_Buffer();
	virtual unsigned int get_BufferLength();
	virtual void SaveAs(string16 argFileName);

	virtual std::string ReadString();
	virtual float ReadFloat();
	virtual int ReadInt();
	virtual void* ReadDataArray(unsigned int argBytes);

	virtual void RewindFilePointer();
	virtual char* get_FilePointer() const;
	virtual void set_FilePointer(char* ac_Position_);
	virtual bool IsEof() const;

	virtual string16 get_FileName() const { return m_FileName; }

protected:
	void CheckIntegrity(unsigned int argBytes);

private:
	IEngine* m_Engine;
	char* m_Buffer;
	char* m_BufferPosition;
	unsigned int m_BufferLength;
	string16 m_FileName;
};