examples/ForumNokia/DescriptorExample/inc/DescriptorExamples.h

/*
 * Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies). All rights reserved.
 *    
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *    
 *  * Redistributions of source code must retain the above copyright notice, this
 *    list of conditions and the following disclaimer.
 *  * Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 *  * Neither the name of Nokia Corporation nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *    
 *    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 *    AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 *    IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 *    DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
 *    FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 *    DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 *    SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 *    CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 *    OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 *    OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *    
 *    Description:  
 */


#ifndef DESCRIPTOREXEXAMPLES_H
#define DESCRIPTOREXEXAMPLES_H

#include <e32std.h>
#include <f32file.h>

//------------------------------------------------------------------------------
class MResultViewer
    {
    public:
        virtual TPtr GetViewBuffer()=0;

        virtual void UpdateView()=0;
    };

//------------------------------------------------------------------------------
class CDescriptorExamples
    {
    public:

        CDescriptorExamples(MResultViewer *aViewer) : iViewer(aViewer) {};

        //----------------------------------------------------------------------
        // Methods below are implemented in DeclaringDescriptors.cpp

        void ToStack();

        void ToHeapL();

        void Literals();

        //----------------------------------------------------------------------
        // Methods below are implemented in ManipulatingDescriptors.cpp

        void NonModifyingMethods();

        void ModifyingMethodsL();

        void CharacterConversionsL();

        void LexicalAnalysis();

        //----------------------------------------------------------------------
        // Methods below are implemented in OtherBuffers.cpp

        void CircularBuffersL();

        void FlatDynamicBuffersL();

        void SegmentedDynamicBuffersL();

        void PackageBuffers();
        
                
        void RBufDemonstrations();

    private: // attributes

        MResultViewer* iViewer; // not owned, just referred
    
    };

//------------------------------------------------------------------------------
//PK:TODO:
#ifdef __SERIES60_3X__
_LIT( KDefaultLogFile, "c:\\Data\\descriptorEx.log.txt" );
#else
_LIT( KDefaultLogFile, "c:\\Nokia\\descriptorEx.log.txt" );
#endif

class CFileForwarder : public CBase, public MResultViewer
    {
    public:

        void ConstructL(const TDesC &logFileName=KDefaultLogFile);

        virtual TPtr GetViewBuffer();

        virtual void UpdateView();

    private:

        virtual ~CFileForwarder();

    private:
        RFs          iFsSession;
        RFile        iFile;
        HBufC        *iBuf;
    };

#endif // DESCRIPTOREXEXAMPLES_H

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