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142 lines
3.7 KiB
C++
142 lines
3.7 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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#ifndef STREAMS_H
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#define STREAMS_H
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#ifdef EDITOR
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#include "xp.h"
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#include "xp_file.h"
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#include "itapefs.h"
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#include "libi18n.h"
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//-----------------------------------------------------------------------------
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// Streams
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//-----------------------------------------------------------------------------
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// IStreamOut is in "itapefs.h"
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class IStreamIn {
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public:
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IStreamIn() {}
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virtual ~IStreamIn() {}
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virtual void Read( char *pBuffer, int32 iCount )=0;
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int32 ReadInt(){ int32 i; Read((char*)&i, sizeof(int32)); return i; }
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char *ReadZString();
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};
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//
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// Output Stream as file.
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//
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class CStreamOutFile: public IStreamOut {
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private:
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EOutStreamStatus m_status;
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XP_File m_outputFile;
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XP_Bool m_bBinary;
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public:
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CStreamOutFile( XP_File hFile, XP_Bool bBinary );
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virtual ~CStreamOutFile();
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virtual void Write( char *pBuffer, int32 iCount );
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virtual EOutStreamStatus Status(){ return m_status; }
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};
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//
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// Stream out to net.
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//
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class CStreamOutNet: public IStreamOut {
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private:
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NET_StreamClass * m_pStream;
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EOutStreamStatus m_status;
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protected:
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CStreamOutNet();
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void SetStream(NET_StreamClass *m_pStream);
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public:
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CStreamOutNet( MWContext* pContext );
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virtual ~CStreamOutNet();
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virtual void Write( char *pBuffer, int32 iCount );
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virtual EOutStreamStatus Status(){ return m_status; }
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};
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class CStreamOutAnyNet: public CStreamOutNet {
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public:
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CStreamOutAnyNet(MWContext* pContext,URL_Struct *URL_s,FO_Present_Types type);
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};
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class CNetStreamToTapeFS: public CStreamOutNet {
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public:
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CNetStreamToTapeFS(MWContext* pContext,ITapeFileSystem *);
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};
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//
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// Output Stream as memory
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//
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class CStreamOutMemory: public IStreamOut {
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private:
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int32 m_bufferSize;
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int32 m_bufferEnd;
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XP_HUGE_CHAR_PTR m_pBuffer;
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public:
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CStreamOutMemory();
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virtual ~CStreamOutMemory();
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virtual void Write( char *pBuffer, int32 iCount );
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XP_HUGE_CHAR_PTR GetText(){ return m_pBuffer; }
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int32 GetLen(){ return m_bufferEnd; }
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// For poking values into a stream at specific locations
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void WriteIntAtIndex( int32 iValue, int32 iIndex );
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};
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// Convert character set encodings while streaming out.
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// Adopts an existing IStreamOut* object.
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// Deletes the existing IStreamOut* object when
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// it itself is deleted. (Unless ForgetStream() is called.)
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class CConvertCSIDStreamOut : public IStreamOut {
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private:
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IStreamOut* m_pStream;
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CCCDataObject m_Converter;
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XP_Bool m_bNullConversion;
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int16 m_oldCSID;
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int16 m_newCSID;
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public:
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CConvertCSIDStreamOut(int16 oldCSID, int16 newCSID, IStreamOut* pStream);
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virtual ~CConvertCSIDStreamOut();
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virtual void Write( char* pBuffer, int32 iCount );
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IStreamOut* ForgetStream();
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int16 GetOldCSID();
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int16 GetNewCSID();
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};
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class CStreamInMemory: public IStreamIn {
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private:
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XP_HUGE_CHAR_PTR m_pBuffer;
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int32 m_iCurrentPos;
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public:
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virtual void Read( char *pBuffer, int32 iCount );
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CStreamInMemory(char *pMem): m_pBuffer(pMem), m_iCurrentPos(0){}
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};
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#endif // EDITOR
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#endif
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