src/stream/ZStrimmer.h

/*  @(#) $Id: ZStrimmer.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 __ZStrimmer__
#define __ZStrimmer__ 1
#include "zconfig.h"

#include "zconfig.h"

#include "ZRefCount.h"
#include "ZStrim.h"

// =================================================================================================
#pragma mark -
#pragma mark * ZStrimmerR

class ZStrimmerR : public virtual ZRefCountedWithFinalization
        {
public:
        virtual const ZStrimR& GetStrimR() = 0;
        };

// =================================================================================================
#pragma mark -
#pragma mark * ZStrimmerU

class ZStrimmerU : public ZStrimmerR
        {
public:
// From ZStrimmerR
        virtual const ZStrimR& GetStrimR();

// Our protocol
        virtual const ZStrimU& GetStrimU() = 0;
        };

// =================================================================================================
#pragma mark -
#pragma mark * ZStrimmerW

class ZStrimmerW : public virtual ZRefCountedWithFinalization
        {
public:
        virtual const ZStrimW& GetStrimW() = 0;
        };

// =================================================================================================
#pragma mark -
#pragma mark * ZStrimmerR_T

template <class Strim_t>
class ZStrimmerR_T : public ZStrimmerR
        {
public:
        ZStrimmerR_T() {}

        virtual ~ZStrimmerR_T() {}

        template <class P>
        ZStrimmerR_T(P& iParam) : fStrim(iParam) {}

        template <class P>
        ZStrimmerR_T(const P& iParam) : fStrim(iParam) {}

// From ZStrimmerR
        virtual const ZStrimR& GetStrimR() { return fStrim; }

// Our protocol
        Strim_t& GetStrim() { return fStrim; }

protected:
        Strim_t fStrim;
        };

// =================================================================================================
#pragma mark -
#pragma mark * ZStrimmerR_FT

template <class Strim_t>
class ZStrimmerR_FT : public ZStrimmerR
        {
protected:
        ZStrimmerR_FT() {}

public:
        virtual ~ZStrimmerR_FT() {}

        template <class P>
        ZStrimmerR_FT(P& iParam, ZRef<ZStrimmerR> iStrimmer)
        :       fStrimmerReal(iStrimmer),
                fStrim(iParam, iStrimmer->GetStrimR())
                {}

        template <class P>
        ZStrimmerR_FT(const P& iParam, ZRef<ZStrimmerR> iStrimmer)
        :       fStrimmerReal(iStrimmer),
                fStrim(iParam, iStrimmer->GetStrimR())
                {}

        ZStrimmerR_FT(ZRef<ZStrimmerR> iStrimmer)
        :       fStrimmerReal(iStrimmer),
                fStrim(iStrimmer->GetStrimR())
                {}

// From ZStrimmerR
        virtual const ZStrimR& GetStrimR() { return fStrim; }

// Our protocol
        Strim_t& GetStrim() { return fStrim; }

protected:
        ZRef<ZStrimmerR> fStrimmerReal;
        Strim_t fStrim;
        };

// =================================================================================================
#pragma mark -
#pragma mark * ZStrimmerU_T

template <class Strim_t>
class ZStrimmerU_T : public ZStrimmerU
        {
public:
        ZStrimmerU_T() {}

        virtual ~ZStrimmerU_T() {}

        template <class P>
        ZStrimmerU_T(P& iParam) : fStrim(iParam) {}

        template <class P>
        ZStrimmerU_T(const P& iParam) : fStrim(iParam) {}

// From ZStrimmerU
        virtual const ZStrimU& GetStrimU() { return fStrim; }

// Our protocol
        Strim_t& GetStrim() { return fStrim; }

protected:
        Strim_t fStrim;
        };

// =================================================================================================
#pragma mark -
#pragma mark * ZStrimmerU_FT

template <class Strim_t>
class ZStrimmerU_FT : public ZStrimmerU
        {
protected:
        ZStrimmerU_FT() {}

public:
        virtual ~ZStrimmerU_FT() {}

        template <class P>
        ZStrimmerU_FT(P& iParam, ZRef<ZStrimmerR> iStrimmer)
        :       fStrimmerReal(iStrimmer),
                fStrim(iParam, iStrimmer->GetStrimR())
                {}

        template <class P>
        ZStrimmerU_FT(const P& iParam, ZRef<ZStrimmerR> iStrimmer)
        :       fStrimmerReal(iStrimmer),
                fStrim(iParam, iStrimmer->GetStrimR())
                {}

        ZStrimmerU_FT(ZRef<ZStrimmerR> iStrimmer)
        :       fStrimmerReal(iStrimmer),
                fStrim(iStrimmer->GetStrimR())
                {}

// From ZStrimmerR via ZStrimmerU
        virtual const ZStrimR& GetStrimR() { return fStrim; }

// From ZStrimmerU
        virtual const ZStrimU& GetStrimU() { return fStrim; }

// Our protocol
        Strim_t& GetStrim() { return fStrim; }

protected:
        ZRef<ZStrimmerU> fStrimmerReal;
        Strim_t fStrim;
        };

// =================================================================================================
#pragma mark -
#pragma mark * ZStrimmerW_T

template <class Strim_t>
class ZStrimmerW_T : public ZStrimmerW
        {
public:
        ZStrimmerW_T() {}

        virtual ~ZStrimmerW_T() {}

        template <class P>
        ZStrimmerW_T(P& iParam) : fStrim(iParam) {}

        template <class P>
        ZStrimmerW_T(const P& iParam) : fStrim(iParam) {}

// From ZStrimmerW
        virtual const ZStrimW& GetStrimW() { return fStrim; }

// Our protocol
        Strim_t& GetStrim() { return fStrim; }

protected:
        Strim_t fStrim;
        };

// =================================================================================================
#pragma mark -
#pragma mark * ZStrimmerW_FT

template <class Strim_t>
class ZStrimmerW_FT : public ZStrimmerW
        {
protected:
        ZStrimmerW_FT() {}

public:
        virtual ~ZStrimmerW_FT() {}

        template <class P>
        ZStrimmerW_FT(P& iParam, ZRef<ZStrimmerW> iStrimmer)
        :       fStrimmerReal(iStrimmer),
                fStrim(iParam, iStrimmer->GetStrimW())
                {}

        template <class P>
        ZStrimmerW_FT(const P& iParam, ZRef<ZStrimmerW> iStrimmer)
        :       fStrimmerReal(iStrimmer),
                fStrim(iParam, iStrimmer->GetStrimW())
                {}

        ZStrimmerW_FT(ZRef<ZStrimmerW> iStrimmer)
        :       fStrimmerReal(iStrimmer),
                fStrim(iStrimmer->GetStrimW())
                {}

// From ZStrimmerW
        virtual const ZStrimW& GetStrimW() { return fStrim; }

// Our protocol
        Strim_t& GetStrim() { return fStrim; }

protected:
        ZRef<ZStrimmerW> fStrimmerReal;
        Strim_t fStrim;
        };

#endif // __ZStrimmer__

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