pkiutilities/PKCS12/CrBer/Src/crdata.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Tue, 26 Jan 2010 15:20:08 +0200
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permissions -rw-r--r--
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/*
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* Copyright (c) 2000, 2004 Nokia Corporation and/or its subsidiary(-ies). 
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:   This module contains the implementation of CCrTemplate class. 
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*
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*/
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//  INCLUDE FILES
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#include "crdata.h"
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// -----------------------------------------------------------------------------
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// CCrData
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// Constructors
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// These functions construct CCrData object.
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// -----------------------------------------------------------------------------
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CCrData::CCrData()  : iIsFile(ETrue), iPointer(0), iBuffer(NULL)
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    { 
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    }
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CCrData::CCrData(TBool aIsFile) : iIsFile(aIsFile), iPointer(0), iBuffer(NULL), iPath(NULL)
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    {
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    }
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// -----------------------------------------------------------------------------
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// CCrData
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// Destructor
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// This function destructs CCrData object.
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// -----------------------------------------------------------------------------
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CCrData::~CCrData()
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    {
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    if (iBuffer != NULL)
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        {
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        delete iBuffer;
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        }
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    if (iPath != NULL)
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        {
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        delete iPath;
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        }
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    }
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// -----------------------------------------------------------------------------
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// CCrData::ConstructL
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// This function initializes CCrData object's member objects.
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// -----------------------------------------------------------------------------
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TAny CCrData::ConstructL()
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    {
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    if (iIsFile == EFalse)
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        {
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        iBuffer = HBufC8::NewL(0);
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        iPath = HBufC::NewL(0);
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        }
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    }
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// -----------------------------------------------------------------------------
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// CCrData::NewLC
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// -----------------------------------------------------------------------------
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EXPORT_C CCrData* CCrData::NewLC(TBool aIsFile) // default value ETrue
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    {
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    CCrData* self = new CCrData(aIsFile);
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    CleanupStack::PushL(self);
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    self->ConstructL();
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    return self; 
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    }
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// -----------------------------------------------------------------------------
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// CCrData::NewL
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// -----------------------------------------------------------------------------
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EXPORT_C CCrData* CCrData::NewL(TBool aIsFile) // default value ETrue
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    {
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    CCrData* self = NewLC(aIsFile);
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    CleanupStack::Pop();
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    return self; 
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    }
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// -----------------------------------------------------------------------------
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// CCrData::Open
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// Opens an existing file for reading or writing. If the file 
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// does not already exist, an error is returned.
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// Parameters:    aFs The file server session
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//                aName The name of the file. Any path 
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//                      components which are not specified here will be 
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//                      taken from the session path.
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//                aFileMode The mode in which the file is opened. 
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//                          For more information see EFileShareExclusive and 
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//                          other file sharing and access modes.
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// Return Values:  TInt KErrNone if successful, otherwise
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//                 another of the system-wide error codes.
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// -----------------------------------------------------------------------------
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EXPORT_C TInt CCrData::Open(RFs& aFs,const TDesC& aName,TUint aFileMode)
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    {
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    if (iIsFile) // file
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        {
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        TInt result = iFile.Open(aFs, aName, aFileMode);
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        SetPathL(aName);
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        return result;
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        }
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    else // Buffer
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        {
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        return KErrNotSupported; 
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        }
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    }
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   120
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EXPORT_C TInt CCrData::Open(RFs& aFs,TUint aFileMode)
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    {
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    TInt result = KErrNone;
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    if (iIsFile) // file
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        {
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        if (iPath != NULL)
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            {
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            result = iFile.Open(aFs, *iPath, aFileMode);
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            }
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        else
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            {
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            result = KErrPathNotFound;
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            }
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        }
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    else // Buffer
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        {
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        result = KErrNotSupported; 
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        }
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    return result;
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    }
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// -----------------------------------------------------------------------------
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// CCrData::Replace
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// Replaces a file. If there is an existing file with the same
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// name, this function will overwrite it. If the file does not 
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// already exist, this function creates it.
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// Parameters:    aFs The file server session
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//                aName The name of the file. 
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//                      Any path components which are not specified 
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//                      here will be taken from the session path.
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//                 aFileMode The mode in which the file  is opened. 
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//                           For more information see EFileShareExclusive and 
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//                           other file sharing and access modes. Note that the 
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//                           access mode is set to 
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//                           EFileWrite whatever the caller specifies.
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// Return Values:  KErrNone if successful, otherwise
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//                 another of the system-wide error codes.
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// -----------------------------------------------------------------------------
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EXPORT_C TInt CCrData::Replace(RFs& aFs, const TDesC& aName, TUint aFileMode)
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    {
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    if (iIsFile) // File
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        {
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        TInt result = iFile.Replace(aFs, aName, aFileMode);
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        return result;
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        }
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    else // Buffer
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        {
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        return KErrNotSupported; 
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        }  
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    }
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// -----------------------------------------------------------------------------
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// CCrData::Close
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// Closes the file. Any open files are closed when the file server 
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// session is closed. Close() is guaranteed to return, and provides 
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// no indication of whether it completed successfully or not. When 
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// closing a file that you have written to, you should ensure that
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// data is committed to the file by invoking RFile::Flush() before 
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// closing. If Flush() completes successfully, Close() is essentially 
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// a no-operation.
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// -----------------------------------------------------------------------------
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EXPORT_C void CCrData::Close()
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    {
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    if (iIsFile) // File
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        {
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        iFile.Close();
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        return; 
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        }
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    else // Buffer
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        {
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        return; 
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        }      
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    }
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// -----------------------------------------------------------------------------
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// CCrData::Read
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// Reading transfers data from a file (or a buffer) to a descriptor.
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// If CCrData object is created to be a file function only call 
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// RFile::Read(.), but if CCrData is buffer, function makes same things
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// to buffer as RFile::Read make to file. (See EPOC documentation)
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// -----------------------------------------------------------------------------
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EXPORT_C TInt CCrData::Read(TDes8& aDes)
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    {
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    TInt err = KErrNone;
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   206
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    if (!iIsFile)                            // CCrData is buf 
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        {       
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        if (aDes.MaxLength() < iBuffer->Length())
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            {
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            err = KErrOverflow;
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   212
            }
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        else 
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            {
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            aDes.Copy(*iBuffer);            // Copy iBuffer to aDes
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            iPointer = aDes.Length();       // Set pointer to end of buf
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            }           
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        }
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    else                                    // else it is file
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        {  
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        err = iFile.Read(aDes); 
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        }
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    return err;                             // error code
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    }
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EXPORT_C TInt CCrData::Read(TDes8& aDes,TInt aLength)
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    {
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    TInt err = KErrNone;
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    TInt i;
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    if (!iIsFile)                           // CCrData is buffer
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        {       
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        if ((aLength < NULL) || (aLength > aDes.MaxLength())) 
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            {
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            err = KErrGeneral;
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            }
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        else 
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   239
            {
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   240
            aDes.Zero();
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            for (i = iPointer; (i < (aLength + iPointer)) &&
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                (i < iBuffer->Length()); i++)
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   243
                {
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   244
                aDes.Append((*iBuffer)[i]);        // append data to aDes
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   245
                }
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   246
            iPointer = i;                   // set pointer to next byte
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   247
            }
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        }
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    else                                    // else CCrData is file
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        {
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        err = iFile.Read(aDes, aLength);
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        }
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   253
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    return err;
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   255
    }
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parents:
diff changeset
   256
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parents:
diff changeset
   257
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   258
EXPORT_C TInt CCrData::Read(TInt aPos,TDes8& aDes,TInt aLength)
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   259
    {
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    TInt i;
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   261
    TInt err = KErrNone;
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   262
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   263
    if (!iIsFile)                           // CCrDAta is buffer 
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   264
        {       
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   265
        if (aLength < NULL)                 // aLength must be positive 
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   266
            {   
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   267
            err = KErrArgument;
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   268
            }
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   269
        else if (aLength > aDes.MaxLength()) // if buffer is too small 
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   270
            {
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   271
            err = KErrOverflow;            
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   272
            }
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   273
        else 
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parents:
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   274
            {
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   275
            aDes.Delete(0, aDes.Length());  // delete old string
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   276
            TPtr8 ptr = iBuffer->Des();         
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   277
        
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   278
            for (i = aPos; (i < (aLength + aPos)) &&
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diff changeset
   279
                (i < iBuffer->Length()); i++)
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   280
                {
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   281
                aDes.Append(ptr[i]);
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diff changeset
   282
                }
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   283
            iPointer  = i;                  // set pointer to end of read       
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   284
            }
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   285
        }
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   286
    else                                    // CCrData is file
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   287
        { 
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   288
        err = iFile.Read(aPos, aDes, aLength);
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diff changeset
   289
        }
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   290
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   291
    return err;
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   292
    }
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   293
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   294
// -----------------------------------------------------------------------------
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   295
// CCrData::Write
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   296
// Writing transfers data from a descriptor to a buffer or file.
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   297
// If CCrData object is created to be a file function only call 
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diff changeset
   298
// RFile::Write(.), but if CCrData is buffer, function makes same things
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diff changeset
   299
// to buffer as RFile::Write make to file. After Write(..) iPointer is moved
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   300
// to end of the buffer. 
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   301
// -----------------------------------------------------------------------------
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   302
EXPORT_C TInt CCrData::Write(const TDesC8& aDes)
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   303
    { 
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   304
    TInt err = KErrNone;
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diff changeset
   305
    if (!iIsFile)                           // buf
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parents:
diff changeset
   306
        {
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diff changeset
   307
        err = Write(aDes, aDes.Length()); 
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diff changeset
   308
        }
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parents:
diff changeset
   309
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diff changeset
   310
     else                                    // file
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parents:
diff changeset
   311
        {
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diff changeset
   312
        err = iFile.Write(aDes);
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parents:
diff changeset
   313
        }
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parents:
diff changeset
   314
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diff changeset
   315
    return err;
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parents:
diff changeset
   316
    }
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parents:
diff changeset
   317
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diff changeset
   318
EXPORT_C TInt CCrData::Write(const TDesC8& aDes, TInt aLength)
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parents:
diff changeset
   319
    { 
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diff changeset
   320
    TInt err = KErrNone;
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parents:
diff changeset
   321
    if (aLength < NULL)                     // aLen must be positive 
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parents:
diff changeset
   322
        {                                   
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diff changeset
   323
        err = KErrArgument;           
164170e6151a Revision: 201004
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parents:
diff changeset
   324
        }
164170e6151a Revision: 201004
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parents:
diff changeset
   325
     
164170e6151a Revision: 201004
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parents:
diff changeset
   326
    if (!iIsFile)                           // buf
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parents:
diff changeset
   327
        { 
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diff changeset
   328
        TInt bufferLength = iBuffer->Length();
164170e6151a Revision: 201004
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parents:
diff changeset
   329
        TInt neededBufferLength = iPointer + aLength;
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   330
        if (neededBufferLength > bufferLength) // Reallocation is needed
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parents:
diff changeset
   331
            {
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parents:
diff changeset
   332
            TRAP(err, iBuffer = iBuffer->ReAllocL(neededBufferLength)); 
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   333
            if (err != KErrNone)
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parents:
diff changeset
   334
                    {
164170e6151a Revision: 201004
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parents:
diff changeset
   335
                    return KErrNoMemory;
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parents:
diff changeset
   336
                    }
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   337
            }
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   338
            
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   339
        TPtr8 ptr = iBuffer->Des();             
164170e6151a Revision: 201004
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parents:
diff changeset
   340
        // append new data, ONLY the amount of aLength
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   341
        if (aLength == aDes.Length())
164170e6151a Revision: 201004
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parents:
diff changeset
   342
            {
164170e6151a Revision: 201004
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parents:
diff changeset
   343
            ptr.Append(aDes); 
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parents:
diff changeset
   344
            }
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parents:
diff changeset
   345
        else // aLength < a.Des.Length()
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   346
            {
164170e6151a Revision: 201004
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parents:
diff changeset
   347
            ptr.Append(aDes.Left(aLength));
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parents:
diff changeset
   348
            }
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parents:
diff changeset
   349
        // iPointer is moved to the end of the buffer.        
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parents:
diff changeset
   350
        iPointer = iBuffer->Length();
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parents:
diff changeset
   351
        }
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parents:
diff changeset
   352
    else                                    // file
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parents:
diff changeset
   353
        {
164170e6151a Revision: 201004
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parents:
diff changeset
   354
        err = iFile.Write(aDes);
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   355
        }
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   356
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   357
    return err;
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   358
    }
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   359
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   360
// -----------------------------------------------------------------------------
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   361
// CCrData::Zero
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   362
// -----------------------------------------------------------------------------
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   363
EXPORT_C TInt CCrData::Zero(const TInt aPos, const TInt aLength)
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   364
    {
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   365
	TPtr8 ptr = iBuffer->Des();
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   366
	if (ptr.Length() < aPos + aLength)
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   367
	    {
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   368
		// Out of bounds
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   369
		return KErrArgument;
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   370
	    }
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   371
	for (TInt i = 0; i < aLength; i++)
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   372
	    {
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   373
		ptr[aPos+i] = 0;
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   374
	    }
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   375
	return KErrNone;
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   376
    }
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   377
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   378
// -----------------------------------------------------------------------------
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   379
// CCrData::Seek
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   380
// If CCrData object is created to be a file function only call 
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   381
// RFile::Seek(.), but if CCrData is buffer, function makes same things
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   382
// to buffer as RFile::Seek make to file. (See EPOC documentation)
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   383
// -----------------------------------------------------------------------------
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   384
EXPORT_C TInt CCrData::Seek(TSeek aMode,TInt& aPos)
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   385
    {
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   386
    TInt err = KErrNone;
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   387
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   388
    if (aPos < NULL)                        // aPos must be positive
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   389
        {
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   390
        err = KErrArgument;
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   391
        }
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   392
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   393
    else if (!iIsFile)                      // CCrData is buffer
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   394
        {
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   395
        switch (aMode)
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   396
            {
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   397
            case (ESeekCurrent):            // this place
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   398
                {
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   399
                iPointer += aPos;              
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   400
                break;
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   401
                }
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   402
            case (ESeekStart):              // from start of buf
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   403
                {                
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   404
                iPointer = aPos;   
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   405
                break;
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   406
                }
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   407
            case (ESeekEnd):                // from end of buf 
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   408
                {
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   409
                iPointer = iBuffer->Length() - aPos;
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   410
                break;
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   411
                }
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   412
            default:
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   413
                {
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   414
                break;                      // ESeekAddress
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   415
                }
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   416
            }
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   417
    
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   418
            if (iPointer < NULL)            // iPointer must be positive
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   419
                {
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   420
                iPointer = NULL;            // set pointer to start of buf
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   421
                }
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   422
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   423
            else if (iPointer > iBuffer->Length())
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   424
                {
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   425
                iPointer = iBuffer->Length();   // set pointer to end of buf
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   426
                }
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   427
          
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   428
            aPos = iPointer;
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   429
            
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   430
        }
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   431
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   432
    else                                    // CCrData is file
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   433
        {       
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   434
        err = iFile.Seek(aMode, aPos);
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   435
        }
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   436
    
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   437
    return err;
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   438
    }
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   439
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   440
// -----------------------------------------------------------------------------
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   441
// CCrData::Size
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   442
// Reading the size of data.
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   443
// If CCrData is a buffer, returns length of the buffer. Otherwise 
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   444
// calls RFile::Size( TInt ).
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   445
// -----------------------------------------------------------------------------
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   446
EXPORT_C TInt CCrData::Size(TInt& aSize)
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   447
    {
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   448
    TInt err = KErrNone;
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   449
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   450
    if (!iIsFile)                            // CCrData is buf 
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   451
        {       
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   452
        aSize = iBuffer->Length();
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   453
        }
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   454
    else                                    // else it is file
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   455
        {  
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   456
        err = iFile.Size(aSize); 
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   457
        }
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   458
    return err;                             // error code
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   459
    }
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   460
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   461
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   462
// -----------------------------------------------------------------------------
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   463
// CCrData::LineL
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   464
// LineL sets data from the current place, where iPointer is, till next new
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   465
// line character to aLine. 
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   466
// iPointer moves to the following item from the found new line character.
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   467
// If no new line character is found, aLine is the rest of the data and 
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   468
// iPointer is moved to the end of the iBuffer or the iFile.
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   469
// Return Values:  KErrNone if everything succeeds
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   470
//                 KErrNoMemory if aLine is not length enough
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   471
//                 KErrEof if iPointer is at the end of file.
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   472
// -----------------------------------------------------------------------------
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   473
EXPORT_C TInt CCrData::LineL(TDes8& aLine)
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   474
    {
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   475
    TBufC8<2> newLine(KNewLine);  // New line
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   476
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   477
    // Area to find the new line
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   478
    TInt size = 0;
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   479
    Size(size);
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   480
    TInt currentPlace = iPointer;
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   481
    TInt neededLengthToFind = size - currentPlace;
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   482
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   483
    if(neededLengthToFind == 0) // If the area is empty
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   484
        {
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   485
        return KErrEof;
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   486
        }
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   487
    TInt newLinePlace = 0;
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   488
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   489
    if (!iIsFile) // CCrData is a buffer.
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   490
        {
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   491
        TPtrC8 temp = iBuffer->Mid(currentPlace, neededLengthToFind);
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   492
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   493
        // Find next new line.
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   494
        newLinePlace = temp.Find(newLine);
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   495
        // If not found, return the whole area.
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   496
        if (newLinePlace == KErrNotFound)
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   497
            {
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   498
            newLinePlace = neededLengthToFind;
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   499
            }
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   500
        else
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   501
            {
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   502
            newLinePlace = newLinePlace + newLine.Length();
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   503
            }
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   504
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   505
        
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   506
        if (aLine.MaxLength() < newLinePlace)
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   507
            {
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   508
            return KErrNoMemory;
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   509
            }
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   510
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   511
        // Put the line to aLine
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   512
        aLine = temp.Left(newLinePlace);
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   513
        }
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   514
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   515
    else // CCrData is a file.
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   516
        {
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   517
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   518
        HBufC8* tempBuf = HBufC8::NewL(neededLengthToFind);
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   519
        TDes8 tempDes = tempBuf->Des();
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   520
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   521
        // Read data to a buffer from iPointer to end of file
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   522
        Read(currentPlace, tempDes, neededLengthToFind);
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   523
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   524
        // Find the next new line character
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   525
        newLinePlace = tempDes.Find(newLine);
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   526
        // If not found, return the whole area.
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   527
        if (newLinePlace == KErrNotFound)
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   528
            {
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   529
            newLinePlace = neededLengthToFind;
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   530
            }
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   531
        else
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   532
            {
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   533
            newLinePlace = newLinePlace + newLine.Length();
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   534
            }
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   535
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   536
        // Is there enough memory
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   537
        if (aLine.MaxLength() < newLinePlace)
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   538
            {
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   539
            delete tempBuf;
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   540
            tempBuf = NULL;
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   541
            return KErrNoMemory;
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   542
            }
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   543
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   544
        // Put data to aLine
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   545
        aLine = tempBuf->Left(newLinePlace);
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   546
        
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   547
        delete tempBuf;
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   548
        tempBuf = NULL;
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   549
        }
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   550
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   551
    // Move iPointer to next place from newLine.
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   552
    iPointer = currentPlace + newLinePlace;
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   553
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   554
    return KErrNone;
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   555
            
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   556
    }
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   557
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   558
// -----------------------------------------------------------------------------
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   559
// CCrData::Path
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   560
// -----------------------------------------------------------------------------
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   561
EXPORT_C HBufC* CCrData::Path()
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   562
    {
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   563
    return iPath;
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   564
    }
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   565
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   566
// -----------------------------------------------------------------------------
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   567
// CCrData::SetPathL
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   568
// -----------------------------------------------------------------------------
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   569
EXPORT_C TAny CCrData::SetPathL(const TDesC& aPath )
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   570
    {
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   571
    delete iPath;
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   572
    iPath = NULL;
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   573
    iPath = HBufC::NewL( aPath.Length() );
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   574
    TPtr pointer = iPath->Des();
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   575
    pointer.Copy( aPath );
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   576
    }
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   577
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   578
// -----------------------------------------------------------------------------
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   579
// CCrData::IsFile
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   580
// -----------------------------------------------------------------------------
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   581
EXPORT_C TBool CCrData::IsFile()
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   582
    {
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   583
    return iIsFile;
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   584
    }
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   585
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   586
// -----------------------------------------------------------------------------
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   587
// CCrData::Delete
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   588
// -----------------------------------------------------------------------------
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   589
EXPORT_C TInt CCrData::Delete( TInt aPos, TInt aLength )
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   590
    {
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   591
    if (!iIsFile)                            // CCrData is buf 
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   592
        {       
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   593
        if(aPos >= 0)
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   594
            {
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   595
            TPtr8 pointer = iBuffer->Des();
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   596
            pointer.Delete(aPos, aLength);
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   597
            }
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   598
        else
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   599
            {
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   600
            return KErrArgument;
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   601
            }
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   602
        }
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   603
    else                                    // else it is file
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   604
        {  
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   605
        return KErrNotSupported;
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   606
        }
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   607
    return KErrNone;
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   608
    }
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   609
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   610
// -----------------------------------------------------------------------------
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   611
// CCrDataSet
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   612
// -----------------------------------------------------------------------------
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   613
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   614
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   615
// -----------------------------------------------------------------------------
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   616
// CCrDataSet
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   617
// Constructor.
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   618
// This function constructs CCrDataSet object.
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   619
// -----------------------------------------------------------------------------
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   620
CCrDataSet::CCrDataSet(TInt aGranularity)
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   621
    : CArrayPtrSeg<CCrData>(aGranularity)
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   622
    {
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   623
    }
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   624
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   625
// -----------------------------------------------------------------------------
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   626
// CCrDataSet
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   627
// Destructor.
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   628
// This function destructs CCrDataSet object.
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   629
// -----------------------------------------------------------------------------
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   630
CCrDataSet::~CCrDataSet()
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   631
    {
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   632
    ResetAndDestroy();
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   633
    }
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   634
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   635
// -----------------------------------------------------------------------------
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   636
// CCrDataSet::ConstructL
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   637
// This function initializes CCrDataSet object's member objects.
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   638
// -----------------------------------------------------------------------------
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   639
TAny CCrDataSet::ConstructL()
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   640
    {
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   641
    }
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   642
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   643
// -----------------------------------------------------------------------------
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   644
// CCrDataSet::NewLC
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   645
// -----------------------------------------------------------------------------
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   646
EXPORT_C CCrDataSet* CCrDataSet::NewLC(TInt aGranularity)
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   647
    {
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   648
    CCrDataSet* self = new CCrDataSet(aGranularity);
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   649
    CleanupStack::PushL(self);
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   650
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   651
    self->ConstructL();
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   652
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   653
    return self; 
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   654
    }
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   655
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   656
// -----------------------------------------------------------------------------
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   657
// CCrDataSet::NewL
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   658
// -----------------------------------------------------------------------------
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   659
EXPORT_C CCrDataSet* CCrDataSet::NewL(TInt aGranularity)
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   660
    {
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   661
    CCrDataSet* self = NewLC(aGranularity);
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   662
    CleanupStack::Pop();
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   663
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   664
    return self; 
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   665
    }
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   666
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   667
// End of file
164170e6151a Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   668