src/stream/ZStrim_Tee.h

/*  @(#) $Id: ZStrim_Tee.h,v 1.3 2006/04/10 20:44:22 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 __ZStrim_Tee__
#define __ZStrim_Tee__ 1
#include "zconfig.h"

#include "ZStrim.h"
#include "ZStrimmer.h"

// =================================================================================================
#pragma mark -
#pragma mark * ZStrimR_Tee


class ZStrimR_Tee : public ZStrimR
        {
public:
        ZStrimR_Tee(const ZStrimR& iSource, const ZStrimW& iSink);

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

private:
        const ZStrimR& fSource;
        const ZStrimW& fSink;
        };

// =================================================================================================
#pragma mark -
#pragma mark * ZStrimmerR_Tee


class ZStrimmerR_Tee : public ZStrimmerR
        {
public:
        ZStrimmerR_Tee(ZRef<ZStrimmerR> iStrimmerSource, ZRef<ZStrimmerW> iStrimmerSink);
        virtual ~ZStrimmerR_Tee();

// From ZStrimmerR
        virtual const ZStrimR& GetStrimR();

protected:
        ZRef<ZStrimmerR> fStrimmerSource;
        ZRef<ZStrimmerW> fStrimmerSink;
        ZStrimR_Tee fStrim;
        };

// =================================================================================================
#pragma mark -
#pragma mark * ZStrimW_Tee


class ZStrimW_Tee : public ZStrimW_NativeUTF32
        {
public:
        ZStrimW_Tee(const ZStrimW& iSink1, const ZStrimW& iSink2);

// From ZStrimW via ZStrimW_NativeUTF32
        virtual void Imp_WriteUTF32(const UTF32* iSource, size_t iCountCU, size_t* oCountCU);
        virtual void Imp_Flush();

private:
        const ZStrimW& fSink1;
        const ZStrimW& fSink2;
        };

// =================================================================================================
#pragma mark -
#pragma mark * ZStrimmerW_Tee


class ZStrimmerW_Tee : public ZStrimmerW
        {
public:
        ZStrimmerW_Tee(ZRef<ZStrimmerW> iStrimmerSink1, ZRef<ZStrimmerW> iStrimmerSink2);
        virtual ~ZStrimmerW_Tee();

// From ZStrimmerW
        virtual const ZStrimW& GetStrimW();

protected:
        ZRef<ZStrimmerW> fStrimmerSink1;
        ZRef<ZStrimmerW> fStrimmerSink2;
        ZStrimW_Tee fStrim;
        };

#endif // __ZStrim_Tee__

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