CStreamRead.h

//========================================================================================
// 
// $File$
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// Owner: jargast
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// Copyright 1997-2010 Adobe Systems Incorporated. All rights reserved.
// 
// NOTICE: Adobe permits you to use, modify, and distribute this file in accordance 
// with the terms of the Adobe license agreement accompanying it. If you have received
// this file from a source other than Adobe, then your use, modification, or 
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//========================================================================================

#ifndef __CStreamRead__
#define __CStreamRead__

#include "IPMStream.h"
#include "HelperInterface.h"

class IXferBytes;
class CStreamWrite;


class CStreamRead : public IPMStream
{
public:
 CStreamRead(IPMUnknown *boss);
 virtual ~CStreamRead();

 virtual uchar XferByte(uchar& chr) ;
 virtual int32 XferByte(uchar *buf, int32 num) ;

 virtual bool16 XferBool(bool16& chr) ;
 virtual int32 XferBool(bool16 *buf, int32 num) ;

 virtual int16 XferInt16(int16& i) ;
 virtual int32 XferInt16(int16 *buf, int32 num) ;

 virtual int32 XferInt32(int32& i) ;
 virtual int32 XferInt32(int32 *buf, int32 num) ;

 virtual int64 XferInt64(int64& i) ;

 virtual uintptr_t XferPointer(uintptr_t& i);

 virtual ClassID XferID(ClassID& i) ;
 virtual int32 XferID(ClassID *buf, int32 num) ;

 virtual ImplementationID XferID(ImplementationID& i) ;
 virtual int32 XferID(ImplementationID *buf, int32 num) ;

 virtual WidgetID XferID(WidgetID& i) ;
 virtual int32 XferID(WidgetID *buf, int32 num) ;

 virtual PluginID XferID(PluginID& i) ;
 virtual int32 XferID(PluginID *buf, int32 num) ;

 virtual PMIID XferID(PMIID& i) ;
 virtual int32 XferID(PMIID *buf, int32 num) ;

 virtual ActionID XferID(ActionID& i);
 virtual int32 XferID(ActionID *buf, int32 num);

 virtual ScriptElementID XferID(ScriptElementID& i);
 virtual int32 XferID(ScriptElementID *buf, int32 num);

 virtual ScriptID XferID(ScriptID& i);
 virtual int32 XferID(ScriptID *buf, int32 num);

 virtual LinkClientID XferID(LinkClientID& i);
 virtual int32 XferID(LinkClientID *buf, int32 num);

 virtual UID XferObject(UID& u);
 virtual int32 XferObject(UID *buf, int32 num);

 virtual UID XferReference(UID& u);
 virtual int32 XferReference(UID *buf, int32 num);

 virtual PMReal& XferRealNumber(PMReal& r);
 virtual int32 XferRealNumber(PMReal *buf, int32 num);

 virtual void Comment(const char* comment);

 virtual int64 Seek(int64 numberOfBytes, SeekFromWhere fromHere) ;
 virtual void SetEndOfStream();
 virtual void Flush() ;

 virtual StreamState GetStreamState();

 virtual bool16 IsReading() const ;
 virtual bool16 IsWriting() const ;
 virtual bool16 IsWritingForDuplication(IDataBase**) const
 { return kFalse; }

 virtual void SetSwapping(bool16 swapping);
 virtual bool16 GetSwapping() const;

 void SetXferBytes(IXferBytes *xferBytes)
 { fXferBytes = xferBytes; }

protected:
 virtual bool16 Open();
 virtual void Close();

private:
 int32 XferByteReverse(uchar *buf, int32 num) ;

private:
 IXferBytes* fXferBytes;
 bool16 fSwapping;


};


#endif