True Axis Physics SDK 1.2.0.1 Beta Documentation
www.trueaxis.com

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IOStream.h

//---------------------------------------------------------------------------------
// File Name: IOStream.h
// Description:
//
// Copyright (C) 2004 - 2006 True Axis Pty Ltd, Australia. 
// All Rights Reserved.
//
// History:
//      Created File.
//---------------------------------------------------------------------------------

#ifndef TA_IOSTREAM_H
#define TA_IOSTREAM_H

#ifndef TA_STRING_H
#include "String.h"
#endif // TA_STRING_H

namespace TA
{

class TACOMMON_CLASS IOStream
{
public:
    virtual ~IOStream() {}
    virtual bool IsInput() = 0;
    virtual bool IsOutput() = 0;    
    virtual void StreamData(void* pData, int nSize) = 0;
private:

};

class TACOMMON_CLASS IOStreamOutput : public IOStream
{
public:
    bool IsInput() { return false; }
    bool IsOutput() { return true; }
    virtual void StreamData(void* pData, int nSize) = 0;
    virtual void WriteData(const void* pData, int nSize) { StreamData((void*)pData, nSize); }

private:
};

class TACOMMON_CLASS IOStreamOutputFile : public IOStreamOutput
{
public:
    IOStreamOutputFile();
    ~IOStreamOutputFile();

    bool Initialise(const Char* szFileName);
    void Finalise();

    void StreamData(void* pData, int nSize);

private:
    uSize m_nFileHandle;
    String m_strName;
};

class TACOMMON_CLASS IOStreamOutputMemory : public IOStreamOutput
{
public:
    IOStreamOutputMemory();
    ~IOStreamOutputMemory();

    void Initialise(void* pData, int nSize);
    void Finalise();

    void StreamData(void* pData, int nSize);

    bool OverFlowed() const { return m_nPos > m_nSize; }

private:
    u8* m_pu8Data;
    int m_nPos;
    int m_nSize;
};

class TACOMMON_CLASS IOStreamInput : public IOStream
{
public:
    bool IsInput() { return true; }
    bool IsOutput() { return false; }
    virtual int GetPos() = 0;
    virtual int GetSize() = 0;

private:
};

class TACOMMON_CLASS IOStreamInputFile : public IOStreamInput
{
public:
    IOStreamInputFile();
    ~IOStreamInputFile();

    bool Initialise(const Char* szFileName);
    void Finalise();

    void StreamData(void* pData, int nSize);

    int GetPos();
    int GetSize();

private:
    uSize m_nFileHandle;
    String m_strName;
};

class TACOMMON_CLASS IOStreamInputMemory : public IOStreamInput
{
public:
    IOStreamInputMemory();
    ~IOStreamInputMemory();

    void Initialise(void* pData, int nSize);
    void Finalise();

    void StreamData(void* pData, int nSize);

    int GetPos() { return m_nPos; }
    int GetSize() { return m_nSize; }

    bool OverFlowed() const { return m_nPos > m_nSize; }

private:
    u8* m_pu8Data;
    int m_nPos;
    int m_nSize;
};


class TACOMMON_CLASS IOStreamCalculateSize : public IOStreamOutput
{
public:
    IOStreamCalculateSize();
    ~IOStreamCalculateSize();

    void Initialise();
    void Finalise();

    void StreamData(void* pData, int nSize);

    int GetSize() const { return m_nSize; }

private:
    int m_nSize;
};

};

#endif // TA_IOSTREAM_H

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© Copyright 2004-2006 TRUE AXIS PTY LTD Australia. All rights reserved.