src/stream/ZStrim_CRLF.h

/*  @(#) $Id: ZStrim_CRLF.h,v 1.6 2006/04/10 20:44:22 agreen Exp $ */

/* ------------------------------------------------------------
Copyright (c) 2003 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 __ZStrim_CRLF__
#define __ZStrim_CRLF__ 1
#include "zconfig.h"

#include "ZStrim.h"

// =================================================================================================
#pragma mark -
#pragma mark * ZStrimR_CRLFRemove


class ZStrimR_CRLFRemove : public ZStrimR
        {
public:
        ZStrimR_CRLFRemove(const ZStrimR& iStrimSource);
        ZStrimR_CRLFRemove(UTF32 iReplaceCP, const ZStrimR& iStrimSource);

// From ZStrimR
        virtual void Imp_ReadUTF32(UTF32* iDest, size_t iCount, size_t* oCount);

private:
        const ZStrimR& fStrimSource;
        UTF32 fReplaceCP;
        bool fLastWasCR;
        };

// =================================================================================================
#pragma mark -
#pragma mark * ZStrimW_CRLFRemove


class ZStrimW_CRLFRemove : public ZStrimW_NativeUTF32
        {
public:
        ZStrimW_CRLFRemove(const ZStrimW& iStrimSink);
        ZStrimW_CRLFRemove(UTF32 iReplaceCP, const ZStrimW& iStrimSink);

        virtual void Imp_WriteUTF32(const UTF32* iSource, size_t iCountCU, size_t* oCountCU);

private:
        const ZStrimW& fStrimSink;
        UTF32 fReplaceCP;
        bool fLastWasCR;
        };

// =================================================================================================
#pragma mark -
#pragma mark * ZStrimW_CRLFInsert


class ZStrimW_CRLFInsert : public ZStrimW_NativeUTF32
        {
public:
        ZStrimW_CRLFInsert(const ZStrimW& iStrimSink);

        virtual void Imp_WriteUTF32(const UTF32* iSource, size_t iCountCU, size_t* oCountCU);

private:
        const ZStrimW& fStrimSink;
        bool fLastWasCR;
        };


#endif // __ZStrim_CRLF__

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