/*

* Copyright (c) 2005-2009 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 "mdeobjectdef.h"

#include "mdcdef.h"

#include "mdenamespacedef.h"

#include "mdepropertydef.h"

#include "mdcserializationbuffer.h"

#include "mdscommoninternal.h"

CMdEObjectDef::CMdEObjectDef( const TMdCObjectDef& aObjectDef, CMdENamespaceDef& aNamespaceDef )

    : iObjectDef( aObjectDef ), iNamespaceDef(aNamespaceDef)

    {

    }

CMdEObjectDef* CMdEObjectDef::NewL( const TMdCObjectDef& aObjectDef,

		CMdCSerializationBuffer& aSchemaBuffer, CMdENamespaceDef& aNamespaceDef )

    {

    CMdEObjectDef* def = CMdEObjectDef::NewLC( aObjectDef, aSchemaBuffer, aNamespaceDef );

    CleanupStack::Pop( def );

    return def;

    }

CMdEObjectDef* CMdEObjectDef::NewLC( const TMdCObjectDef& aObjectDef,

		CMdCSerializationBuffer& aSchemaBuffer, CMdENamespaceDef& aNamespaceDef )

    {

    CMdEObjectDef* def = new( ELeave ) CMdEObjectDef( aObjectDef, aNamespaceDef );

    CleanupStack::PushL( def );

    def->ConstructL(aSchemaBuffer);

    return def;

    }

void CMdEObjectDef::ConstructL(CMdCSerializationBuffer& aSchemaBuffer)

    {

    const TUint32 propertyCount = iObjectDef.iPropertyDefs.iPtr.iCount;

    const TUint32 propertyOffset = iObjectDef.iPropertyDefs.iPtr.iOffset;

	aSchemaBuffer.PositionL( iObjectDef.iName.iPtr.iOffset );

	iName.Set( aSchemaBuffer.ReceivePtr16L() );

    iPropertyDefs.ReserveL( propertyCount );

    for ( TUint32 i = 0; i < propertyCount; ++i )

        {

		aSchemaBuffer.PositionL( propertyOffset + i * sizeof(TMdCPropertyDef) );

		const TMdCPropertyDef& propertyDef = TMdCPropertyDef::GetFromBufferL(aSchemaBuffer);

		CMdEPropertyDef* defImpl = CMdEPropertyDef::NewL( propertyDef, aSchemaBuffer, *this );

		iPropertyDefs.InsertInOrder(defImpl, TLinearOrder<CMdEPropertyDef>(CMdEObjectDef::CompareProperties)); 

        }

    }

CMdEObjectDef::~CMdEObjectDef()

    {

    iPropertyDefs.ResetAndDestroy();

    iPropertyDefs.Close();

    }

EXPORT_C TDefId CMdEObjectDef::Id() const

    {

    return iObjectDef.iDefId;

    }

EXPORT_C CMdENamespaceDef& CMdEObjectDef::NamespaceDef() const

    {

    return iNamespaceDef;

    }

EXPORT_C CMdEObjectDef* CMdEObjectDef::ParentL()

    {

    if ( iObjectDef.iParentId == KNoDefId )

        {

        return NULL;

        }

    return iNamespaceDef.GetObjectDefL( iObjectDef.iParentId );

    }

EXPORT_C const TDesC& CMdEObjectDef::Name() const

    {

    return iName;

    }

EXPORT_C TInt CMdEObjectDef::Compare( const CMdEObjectDef& aObjectDef ) const

    {

    TInt result = iNamespaceDef.Compare( aObjectDef.iNamespaceDef );

    if ( result == 0 )

        {

        result = iObjectDef.iDefId - aObjectDef.Id();

        }

    return result;

    }

EXPORT_C TInt CMdEObjectDef::PropertyDefCount() const

    {

    return iPropertyDefs.Count();

    }

EXPORT_C CMdEPropertyDef& CMdEObjectDef::PropertyDefL(TInt aIndex)

	{

	CMdEPropertyDef* propertyDef = PropertyDefL(aIndex, NULL);

	if (!propertyDef)

		{

		User::Leave( KErrNotFound );

		}

	return *propertyDef;

	}

EXPORT_C CMdEPropertyDef& CMdEObjectDef::GetPropertyDefL( const TDesC& aName )

	{

	CMdEPropertyDef* propertyDef = GetPropertyDefL(aName, NULL);

	if (!propertyDef)

		{

		User::Leave( KErrNotFound );

		}

	return *propertyDef;

	}

CMdEPropertyDef* CMdEObjectDef::GetPropertyDefL( const TDesC& aName, CMdEObjectDef* aChild )

    {    

    const TInt propertyDefCount = iPropertyDefs.Count();

    for ( TInt i = 0; i < propertyDefCount; ++i )

        {

        if( aName.Compare( iPropertyDefs[i]->Name() ) == 0 )

        	{

        	return &PropertyDefL(i);

        	}

        }

    CMdEObjectDef* parent = ParentL();

    if ( parent ) 

        {

        if( !aChild )

            {

            return parent->GetPropertyDefL( aName, this );

            }

        else

            {

            return parent->GetPropertyDefL( aName, aChild );

            }

        }

    return NULL;

    }

CMdEPropertyDef* CMdEObjectDef::GetPropertyDefL(TDefId aId, CMdEObjectDef* aChild)

    {

    const TInt count = iPropertyDefs.Count();

    TInt low( 0 );

    TInt high( count );

    TBool linearSearchRequired( EFalse );

    while( low < high )

        {

        TInt mid( (low+high)>>1 );

        if( !iPropertyDefs[mid] )

            {

            linearSearchRequired = ETrue;

            break;

            }

        if( compare == 0 )

            {

            return iPropertyDefs[mid];

            }

        else if( compare > 0 )

            {

            low = mid + 1;

            }

        else

            {

            high = mid;

            }

        }

    if( linearSearchRequired )

        {

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

            {

            CMdEPropertyDef* propDef = iPropertyDefs[i];

            if( propDef && propDef->Id() == aId )

                {

                return propDef;

                }

            }

        }

    CMdEObjectDef* parent = ParentL();

    if ( parent ) 

        {

        if ( !aChild )

            {                

            return parent->GetPropertyDefL( aId, this );

            }

        else

            {

            return parent->GetPropertyDefL( aId, aChild );

            }

        }

    return NULL;

    }

CMdEPropertyDef* CMdEObjectDef::PropertyDefL(TInt aIndex, CMdEObjectDef* /*aChild*/)

	{

	if ( aIndex < 0 || aIndex > iPropertyDefs.Count())

	    {

	    User::Leave( KErrArgument );

	    }

	return iPropertyDefs[aIndex];

	}

TInt CMdEObjectDef::CompareProperties(const CMdEPropertyDef& aFirst, const CMdEPropertyDef& aSecond)

    {

    return aFirst.Id() - aSecond.Id();

    }