src/stream/ZStream_CRLF.h

/*  @(#) $Id: ZStream_CRLF.h,v 1.2 2006/04/10 20:44:21 agreen Exp $ */

/* ------------------------------------------------------------
Copyright (c) 2004 Andrew Green and Learning in Motion, Inc.
http://www.zoolib.org

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
COPYRIGHT HOLDER(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
------------------------------------------------------------ */

#ifndef __ZStream_CRLF__
#define __ZStream_CRLF__ 1
#include "zconfig.h"

#include "ZStream.h"

#include <string>

// =================================================================================================
#pragma mark -
#pragma mark * ZStreamR_CRLFRemove

class ZStreamR_CRLFRemove : public ZStreamR
        {
public:
        ZStreamR_CRLFRemove(const ZStreamR& iStreamSource);
        ZStreamR_CRLFRemove(char iReplaceChar, const ZStreamR& iStreamSource);
        ~ZStreamR_CRLFRemove();

// From ZStreamR
        virtual void Imp_Read(void* iDest, size_t iCount, size_t* oCountRead);

protected:
        const ZStreamR& fStreamSource;
        char fReplaceChar;
        bool fLastWasCR;
        };

// =================================================================================================
#pragma mark -
#pragma mark * ZStreamR_CRLFInsert

class ZStreamR_CRLFInsert : public ZStreamR
        {
public:
        ZStreamR_CRLFInsert(const ZStreamR& iStreamSource);
        ~ZStreamR_CRLFInsert();

// From ZStreamR
        virtual void Imp_Read(void* iDest, size_t iCount, size_t* oCountRead);

protected:
        const ZStreamR& fStreamSource;
        bool fLastWasCR;
        bool fHasBuffChar;
        char fBuffChar;
        };

// =================================================================================================
#pragma mark -
#pragma mark * ZStreamW_CRLFRemove

class ZStreamW_CRLFRemove : public ZStreamW
        {
public:
        ZStreamW_CRLFRemove(const ZStreamW& iStreamSink);
        ZStreamW_CRLFRemove(char iReplaceChar, const ZStreamW& iStreamSink);
        ~ZStreamW_CRLFRemove();

// From ZStreamW
        virtual void Imp_Write(const void* iSource, size_t iCount, size_t* oCountWritten);
        virtual void Imp_Flush();

protected:
        const ZStreamW& fStreamSink;
        char fReplaceChar;
        bool fLastWasCR;
        };

// =================================================================================================
#pragma mark -
#pragma mark * ZStreamW_CRLFInsert

class ZStreamW_CRLFInsert : public ZStreamW
        {
public:
        ZStreamW_CRLFInsert(const ZStreamW& iStreamSink);
        ~ZStreamW_CRLFInsert();

// From ZStreamW
        virtual void Imp_Write(const void* iSource, size_t iCount, size_t* oCountWritten);
        virtual void Imp_Flush();

protected:
        const ZStreamW& fStreamSink;
        bool fLastWasCR;
        };

#endif // __ZStream_CRLF__

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