/*

* Copyright (c) 2007-2008 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:  

*

*/

#include <liwservicehandler.h>

#include "hnmdkeyfactory.h"

#include "hnconvutils.h"

#include "hnliwutils.h"

#include "hnglobals.h"

#include "hnmdbasekey.h"

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

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

// 

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

//

void CHnMdBaseKey::SetKeyOrNameL( const TXmlEngElement& aElement )

    {

    // set key or name

    if ( !aElement.Name().Compare( KKeyElementItem8 ) )

        {

        if ( aElement.HasAttributeL( KKeyAttrName8 ) )

            {

            // key

            SetKeyNameL( aElement.AttributeNodeL( KKeyAttrName8 ) );

            }

        else if ( aElement.HasAttributeL( KNameAttrName8 ) )

            {

            // name

            SetKeyNameL( aElement.AttributeNodeL( KNameAttrName8 ) );

            }

        }

    }

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

// 

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

//

const RPointerArray<CHnMdBaseKey>& CHnMdBaseKey::SubKeys() const

    {

    return iSubKeys;

    }

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

// 

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

//

void CHnMdBaseKey::BaseConstructL( const CHnMdBaseKey* aKey )

    {

    iKeyName.CreateL( aKey->KeyName() );

    iContent.CreateL( aKey->KeyContent() );

    SetSubKeysL( aKey );

    }

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

// 

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

//

void CHnMdBaseKey::BaseConstructL( TXmlEngElement aElement )

    {

    ASSERT( !aElement.Name().Compare( KKeyElementItem8 )

        || !aElement.Name().Compare( KContentTypeElementItem8 ) );

    SetKeyOrNameL( aElement );

    SetValueL( aElement );

    if ( aElement.HasChildNodes() )

        {

        SetSubKeysL( aElement  );

        }

    }

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

// 

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

//

void CHnMdBaseKey::SetValueL( const TXmlEngElement& aElement )

    {

    if ( aElement.HasAttributeL( KValueAttrName8 ) )

        {

        SetKeyContentL( aElement.AttributeNodeL( KValueAttrName8 ) );

        }

    }

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

// 

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

//

void CHnMdBaseKey::SetValueL( const TDesC8& aValue )

    {

    iContent.Close();

    iContent.CreateL( aValue.Length() );

    iContent.Copy( aValue );

    }

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

// 

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

//

void CHnMdBaseKey::SetValueL( const TDesC& aValue )

    {

    iContent.Close();

    iContent.CreateL( aValue );

    }	

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

// 

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

//

CHnMdBaseKey::CHnMdBaseKey()

    {

    }

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

// 

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

//

CHnMdBaseKey::~CHnMdBaseKey()

    {

    iKeyName.Close();

    iContent.Close();

    iSubKeys.ResetAndDestroy();

    }

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

// 

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

//  

const TDesC8& CHnMdBaseKey::KeyName() const

    {  

    return iKeyName;

    } 

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

// 

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

//

const TDesC& CHnMdBaseKey::KeyContent() const

    {

    return iContent;

    }

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

// 

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

//

void CHnMdBaseKey::GetKeyContent( TInt& /* aKeyContent */ ) const

    {

    }

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

// 

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

//

void CHnMdBaseKey::GetKeyContent( TInt64& /* aKeyContent */ ) const

    {

    }

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

//

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

//

void CHnMdBaseKey::SetKeyNameL( const TXmlEngAttr& aName )

    {

    iKeyName.Close();

    iKeyName.CreateL( aName.Value() );

    }

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

//

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

//

void CHnMdBaseKey::SetKeyNameL( const TDesC8& aName )

    {

    iKeyName.Close();

    iKeyName.CreateL( aName );

    }

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

// 

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

//

void CHnMdBaseKey::SetSubKeysL( const TXmlEngElement& aElement )

    {    

    RXmlEngNodeList< TXmlEngElement > subkeys;

    CleanupClosePushL( subkeys );

    aElement.GetChildElements( subkeys );

    TInt subkeysAmount( subkeys.Count() );

    for ( TInt j( 0 ); j < subkeysAmount; j++ )

        {

        TXmlEngElement subkeyElement( subkeys.Next() );

        if ( !subkeyElement.Name().Compare( KKeyElementItem8 ) )

            {

            CHnMdBaseKey *subkey = HnMdKeyFactory::CreateL( subkeyElement );

            CleanupStack::PushL( subkey );

            AddSubKeyL( subkey );

            CleanupStack::Pop( subkey );

            }

        }

    CleanupStack::PopAndDestroy( &subkeys );

    }

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

// 

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

//

void CHnMdBaseKey::SetSubKeysL( const CHnMdBaseKey* aKey )

    {

    const RPointerArray<CHnMdBaseKey>& subKeys = aKey->SubKeys();

    TInt count = subKeys.Count();

    for( TInt i( 0 ); i < count ; i++ )

        {

        CHnMdBaseKey* subKey = subKeys[ i ]->CopyLC();

        AddSubKeyL( subKey );

        CleanupStack::Pop( subKey );

        }

    }

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

// 

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

//

EXPORT_C void CHnMdBaseKey::AddSubKeyL( CHnMdBaseKey* aKey )

    {

    iSubKeys.AppendL( aKey );

    }

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

// 

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

//

void CHnMdBaseKey::SetKeyContentL( const TXmlEngAttr& aContent )

    {

    HBufC* value = HnConvUtils::Str8ToStrLC( aContent.Value() );

    iContent.Close();

    iContent.Assign( value );

    // clean up

    CleanupStack::Pop( value );

    }

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

// 

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

//

EXPORT_C CHnMdBaseKey* CHnMdBaseKey::EvaluateLC(

    const CLiwGenericParamList& aParamList,

    TInt aPos )

    {

    CHnMdBaseKey* copy = CopyLC();

    copy->DoEvaluateL(  aParamList, aPos );

    return copy;

    }

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

// 

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

//

void CHnMdBaseKey::DoEvaluateL(

    const CLiwGenericParamList& aParamList,

    TInt aPos )

    {

    EvaluateKeyValueL( aParamList, aPos );

    // evaluate subkeys

    TInt count( iSubKeys.Count() );

    for( TInt i( 0 ); i < count; i++ )

        {

        CHnMdBaseKey* key = iSubKeys[ i ];

        key->DoEvaluateL( aParamList, aPos );

        }

    }

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

// 

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

//

void CHnMdBaseKey::EvaluateKeyValueL(

    const CLiwGenericParamList& aParamList,

    TInt aPos )

    {

    HBufC8* tempContent = HnConvUtils::StrToStr8LC( iContent );

    RBuf tempResult;

    CleanupClosePushL( tempResult );

    if ( HnLiwUtils::GetStringL( aParamList, *tempContent, aPos, tempResult ) 

        != KErrBadDescriptor )

        {

        iContent.Swap( tempResult );

        }

    CleanupStack::PopAndDestroy( &tempResult );

    CleanupStack::PopAndDestroy( tempContent );

    }

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

// 

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

//

EXPORT_C void CHnMdBaseKey::ToVariantL( TLiwVariant& /* aRet */ ) const

    {

    }

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

// 

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

//

EXPORT_C void CHnMdBaseKey::ToGenericParamListL( CLiwGenericParamList & aRet ) const

    {

    // for each key

    for ( TInt i( 0 ); i < iSubKeys.Count(); i++ )

        {

        CHnMdBaseKey* key = iSubKeys[i];

        const TDesC8& keyName = key->KeyName();

        TLiwVariant value;

        value.PushL();

        key->ToVariantL( value );

        aRet.AppendL( TLiwGenericParam( keyName, value ) );      

        CleanupStack::PopAndDestroy( &value );

        }

    }