/*

* Copyright (c) 2005-2008 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:  CCapList implementation

*

*/

// INCLUDE FILES

#include "caplist.h"

#include "caputils.h"

#include "capparser.h"

#include "capability.h"

#include "debug.h"

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

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

// CCapList::NewL()

// Two-phase constructor.

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

//

CCapList* CCapList::NewL()

    {

    CCapList* self = new(ELeave) CCapList();

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( self );

    return self;

    }

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

// CCapList::~CCapList()

// Gets phone serial number from etel.

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

//

CCapList::~CCapList()

    {

    delete iList;

    }

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

// CCapList::CCapList()

// Constructor

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

//

CCapList::CCapList()

    {

    }

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

// CCapList::ConstructL()

// Initializes the member data

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

//

void CCapList::ConstructL()

    {

    iList = CStringList::NewL();

    }

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

// CCapList::List()

// Returns the list

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

//

CStringList* CCapList::List()

    {

    __ASSERT_DEBUG(iList, CapUtil::Panic(KErrGeneral));

    return iList;

    }

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

// CCapList::FindFromMark(TInt aId, TInt aType)

// Find from mark

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

//

TInt CCapList::FindFromMark(TInt aId, TInt aType)

    {

    TInt mark = List()->Mark();

    TInt count= List()->Count();

    if ( mark >= count )

        {

        return KErrNotFound;

        }       

    TInt index=Find(aId, aType, mark);

    if ( index == KErrNotFound )

        {

        return KErrNotFound;

        }

    __ASSERT_DEBUG(index>=mark, CapUtil::Panic(KErrGeneral));

    List()->SetMark(index+1);

    return index;

    }

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

// CCapList::FindServiceHeader()

// Finds service xml-file identification header. This header must be the first 

// line in every service file.

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

//

TBool CCapList::FindServiceHeader()

    {

    TRACE_FUNC_ENTRY;

    if (List()->Count()<1)

        {

        LOGGER_WRITE( "CCapList::FindServiceHeader() : returned EFalse" );

        return EFalse;

        }

    TBuf<KBufSize> buf;

    TPtrC ptr=List()->ReadPtr(0);

    CapUtil::StrCopy(buf, ptr);

    buf.Trim();

    if (buf.Compare(KServiceHeader)==0)

        {

        LOGGER_WRITE( "CCapList::FindServiceHeader() : returned ETrue" );

        return ETrue;

        }       

    else

        {

        LOGGER_WRITE( "CCapList::FindServiceHeader() : returned EFalse" );

        return EFalse;

        }

    }

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

// CCapList::FindServiceL(CStringList* aList)

// Find service

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

//

TBool CCapList::FindServiceL(CStringList* aList)

    {

    TRACE_FUNC_ENTRY;

    aList->Reset();

    List()->SetMark(0);

    if (!FindServiceHeader())

        {

        LOGGER_WRITE( "CCapList::FindServiceL(CStringList* aList) : returned EFalse" );

        return EFalse;

        }

    for (;;)

        {

        TInt start=FindFromMark(EService, TXmlParser::EElementBegin);

        TInt stop=FindFromMark(EService, TXmlParser::EElementEnd);

        if (start==KErrNotFound || stop==KErrNotFound || start>=stop)

            {

            break;

            }

        aList->CopyL(List(), start, stop);

        }

    if (aList->Count()>0)

        {

        LOGGER_WRITE( "CCapList::FindServiceL(CStringList* aList) : returned ETrue" );

        return ETrue;

        }

    LOGGER_WRITE( "CCapList::FindServiceL(CStringList* aList) : returned EFalse" );   

    return EFalse;

    }

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

// CCapList::Find(TInt aId, TInt aType, TInt aIndex)

// Find element

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

//

TInt CCapList::Find(TInt aId, TInt aType, TInt aIndex)

    {

    TInt count=List()->Count();

    if (aIndex<0 || aIndex>=count)

        {

        CapUtil::Panic(KErrArgument);

        }

    for (TInt i=aIndex; i<count; i++)

        {

        TPtrC ptr=List()->ReadPtr(i);

        TInt id=0;

        TInt type=0;

        CapParser::ParseElement(ptr, id, type);

        if (type==TXmlParser::EElementUnknown)

            {

            continue;  // invalid capability element

            }

        if (id==aId && aType==type)

            {

            return i;

            }

        }

    return KErrNotFound;

    }

// End of files