#ifndef _MEMORYMAP_H_
#define _MEMORYMAP_H_

#include "Types.h"
#include <functional>
#include <map>

enum MEMORYMAP_ENDIANESS
{
	MEMORYMAP_ENDIAN_LSBF,
	MEMORYMAP_ENDIAN_MSBF,
};

class CMemoryMap
{
public:
    typedef std::tr1::function<void (uint32)> WriteNotifyHandlerType;
    typedef std::tr1::function<uint32 (uint32, uint32)> MemoryMapHandlerType;

    enum MEMORYMAP_TYPE
    {
	    MEMORYMAP_TYPE_MEMORY,
	    MEMORYMAP_TYPE_FUNCTION
    };

    struct MEMORYMAPELEMENT
    {
        uint32			                    nStart;
	    uint32			                    nEnd;
	    void*			                    pPointer;
        MemoryMapHandlerType                handler;
	    MEMORYMAP_TYPE	                    nType;
    };

    typedef std::map<unsigned char, MEMORYMAPELEMENT> MemoryMapListType;

	virtual									~CMemoryMap();
	uint8									GetByte(uint32);
	virtual uint16							GetHalf(uint32) = 0;
	virtual uint32							GetWord(uint32) = 0;
    virtual uint32                          GetInstruction(uint32) = 0;
	virtual void							SetByte(uint32, uint8);
	virtual void							SetHalf(uint32, uint16) = 0;
	virtual void							SetWord(uint32, uint32) = 0;
	void									InsertReadMap(uint32, uint32, void*, unsigned char);
    void                                    InsertReadMap(uint32, uint32, const MemoryMapHandlerType&, unsigned char);
	void									InsertWriteMap(uint32, uint32, void*, unsigned char);
    void                                    InsertWriteMap(uint32, uint32, const MemoryMapHandlerType&, unsigned char);
    void                                    InsertInstructionMap(uint32, uint32, void*, unsigned char);
    MEMORYMAPELEMENT*                       GetReadMap(uint32);
    MEMORYMAPELEMENT*                       GetWriteMap(uint32);
	void									SetWriteNotifyHandler(const WriteNotifyHandlerType&);

protected:
    WriteNotifyHandlerType					m_WriteNotifyHandler;
	static MEMORYMAPELEMENT*				GetMap(MemoryMapListType&, uint32);

    MemoryMapListType                       m_instructionMap;
	MemoryMapListType		                m_readMap;
	MemoryMapListType		                m_writeMap;

private:
	static void								InsertMap(MemoryMapListType&, uint32, uint32, void*, unsigned char);
    static void                             InsertMap(MemoryMapListType&, uint32, uint32, const MemoryMapHandlerType&, unsigned char);
	static void								DeleteMap(MemoryMapListType&);
};

class CMemoryMap_LSBF : public CMemoryMap
{
public:
	uint16									GetHalf(uint32);
	uint32									GetWord(uint32);
    uint32                                  GetInstruction(uint32);
	void									SetHalf(uint32, uint16);
	void									SetWord(uint32, uint32);
};

#endif