src/stream/ZStrimR_Boundary.h

/*  @(#) $Id: ZStrimR_Boundary.h,v 1.10 2006/05/12 16:00:23 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 __ZStrimR_Boundary__
#define __ZStrimR_Boundary__ 1
#include "zconfig.h"

#include "ZStrimmer.h"

#include <string>

// =================================================================================================
#pragma mark -
#pragma mark * ZStrimR_Boundary


class ZStrimR_Boundary : public ZStrimR
        {
public:
        ZStrimR_Boundary(const string8& iBoundary, const ZStrimR& iStrimSource);
        ZStrimR_Boundary(const UTF8* iBoundary, size_t iBoundarySize, const ZStrimR& iStrimSource);
        ZStrimR_Boundary(const string32& iBoundary, const ZStrimR& iStrimSource);
        ZStrimR_Boundary(const UTF32* iBoundary, size_t iBoundarySize, const ZStrimR& iStrimSource);
        ~ZStrimR_Boundary();

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

// Our protocol
        bool HitBoundary() const;
        void Reset();

protected:
        void Internal_Init();

        const ZStrimR& fStrimSource;
        string32 fBoundary;
        size_t fSkip[256];
        UTF32* fBuffer;
        size_t fStart;
        size_t fEnd;
        bool fHitBoundary;
        };

// =================================================================================================
#pragma mark -
#pragma mark * ZStrimerR_Boundary


class ZStrimmerR_Boundary : public ZStrimmerR
        {
public:
        ZStrimmerR_Boundary(const string8& iBoundary, ZRef<ZStrimmerR> iStrimmerSource);

        ZStrimmerR_Boundary(
                const UTF8* iBoundary, size_t iBoundarySize, ZRef<ZStrimmerR> iStrimmerSource);

        ZStrimmerR_Boundary(const string32& iBoundary, ZRef<ZStrimmerR> iStrimmerSource);

        ZStrimmerR_Boundary(
                const UTF32* iBoundary, size_t iBoundarySize, ZRef<ZStrimmerR> iStrimmerSource);

        virtual ~ZStrimmerR_Boundary();

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

protected:
        ZRef<ZStrimmerR> fStrimmerSource;
        ZStrimR_Boundary fStrim;
        };

// typedef ZStrimmerRFT<ZStrimR_Boundary> ZStrimmerR_Boundary;

// =================================================================================================

#endif // __ZStrimR_Boundary__

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