/*

* Copyright (c) 2002 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description: 

*

*/

// INCLUDE FILES

#include "obexutilsopaquedata.h"

// ================= MEMBER FUNCTIONS =======================

EXPORT_C CObexUtilsOpaqueData::CObexUtilsOpaqueData(const TDesC8& aDes):iData(aDes)

    {

    }

// -----------------------------------------------------------------------------

// GetString

// Get string from current location. Return error code if invalid string format.

// -----------------------------------------------------------------------------

EXPORT_C TInt CObexUtilsOpaqueData::GetString(TBuf8<KObexUtilsMaxOpaqueDataStringLen> &aString)

    {

    // reset the output string

    aString.Zero();

    if (iData.Eos())

        return KErrNotFound ;

    TChar c;

    TInt ret;

    while(c=iData.Get())

        {

        if(c=='\\')

            {

            switch(iData.Peek())

                {

            case 'x':

            case 'X':

                // parse hex number

                TUint8 val;

                iData.Inc();

                ret=iData.Val(val,EHex);

                if(ret == KErrNone)

                    aString.Append(val);

                else

                    return ret;

                break;

            case '|':

                iData.Inc();

                aString.Append('|');

                break;

            case '\\':

                iData.Inc();

                aString.Append('\\');

                break;

            default:

                // if not a decimal number, then bad format

                TInt8 dval;

                ret=iData.Val(dval);

                if(ret == KErrNone)

                    aString.Append(dval);

                else

                    return ret;

                }

            }

        else if(c=='|')

            {

            if(iData.Peek()=='|')

                {

                // delimiter "||" found, end of the string

                iData.Inc();

                break;

                }

            else

                aString.Append(c);

            }

        else

            aString.Append(c);

        }

    return KErrNone;

    }

// -----------------------------------------------------------------------------

// GetNumber

// Get number from current location. Return error code if invalid number format.

// -----------------------------------------------------------------------------

EXPORT_C TInt CObexUtilsOpaqueData::GetNumber(TUint &aNumber)

    {

    if (iData.Eos())

        return KErrNotFound ;

    //  skip dilimiter

    if(iData.Peek()=='|')

        {

        iData.Inc();

        if(iData.Peek()=='|')

            iData.Inc();

        else

            return KErrNotFound ;

        }

    if(iData.Peek()=='0')

        {

        iData.Inc();

        if(iData.Peek()=='x' || iData.Peek()=='X')

            {

            iData.Inc();

            return iData.Val(aNumber,EHex);

            }

        else

            {

            iData.UnGet();

            return iData.Val(aNumber,EOctal);

            }

        }

    else

        {

        return iData.Val(aNumber);

        }

    }

// -----------------------------------------------------------------------------

// IsString

// Peek if next entry is string by looking for a '\'.

// -----------------------------------------------------------------------------

EXPORT_C TBool CObexUtilsOpaqueData::IsString()

    {

    return iData.Peek()=='\\';

    }