--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ximpfw/core/srcdatamodel/ximpobjectcollectionimp.cpp	Thu Dec 17 08:54:49 2009 +0200
@@ -0,0 +1,359 @@
+/*
+* Copyright (c) 2006 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:  MXIMPObjectCollection implementation
+ *
+*/
+
+#include "ximpobjectcollectionimp.h"
+
+
+// ============================ HELPER CLASS =============================
+
+// ---------------------------------------------------------------------------
+// CXIMPCollectionElement::NewL
+// ---------------------------------------------------------------------------
+//
+CXIMPObjectCollectionImp::CXIMPCollectionElement* 
+CXIMPObjectCollectionImp::CXIMPCollectionElement::NewL(
+        CXIMPApiObjBase* aObject, const TDesC8& aName )
+    {
+    CXIMPCollectionElement* self = new ( ELeave ) CXIMPCollectionElement();
+    CleanupStack::PushL( self );
+    self->ConstructL( aObject, aName );
+    CleanupStack::Pop( self ); 
+    return self;
+    }
+
+// ---------------------------------------------------------------------------
+// CXIMPCollectionElement::ConstructL
+// ---------------------------------------------------------------------------
+//
+void CXIMPObjectCollectionImp::CXIMPCollectionElement::ConstructL(
+        CXIMPApiObjBase* aObject, const TDesC8& aName )
+    {
+    iObject = aObject;
+
+    if ( aName.Length() > 0 )
+        {
+        iName = aName.AllocL();
+        }
+    else
+        {
+        // at least an empty one always exists
+        iName = HBufC8::NewL( 0 );
+        }
+    }
+
+// ---------------------------------------------------------------------------
+// CXIMPCollectionElement::CXIMPCollectionElement
+// ---------------------------------------------------------------------------
+//
+CXIMPObjectCollectionImp::CXIMPCollectionElement::CXIMPCollectionElement()
+    {
+    }
+
+// ---------------------------------------------------------------------------
+// CXIMPCollectionElement::~CXIMPCollectionElement
+// ---------------------------------------------------------------------------
+//
+CXIMPObjectCollectionImp::CXIMPCollectionElement::~CXIMPCollectionElement()
+    {
+    delete iObject;
+    delete iName;
+    }
+
+// ---------------------------------------------------------------------------
+// CXIMPCollectionElement::GetObject
+// ---------------------------------------------------------------------------
+//
+CXIMPApiObjBase* CXIMPObjectCollectionImp::CXIMPCollectionElement::GetObject()
+    {
+    CXIMPApiObjBase* obj = iObject;
+    iObject = NULL;
+    return obj;
+    }
+
+// ============================ MEMBER FUNCTIONS =============================
+
+// ---------------------------------------------------------------------------
+// CXIMPObjectCollectionImp::NewL()
+// ---------------------------------------------------------------------------
+//
+EXPORT_C CXIMPObjectCollectionImp* CXIMPObjectCollectionImp::NewL()
+    {
+    CXIMPObjectCollectionImp* self = NewLC();
+    CleanupStack::Pop( self );
+    return self;
+    }
+
+
+// ---------------------------------------------------------------------------
+// CXIMPObjectCollectionImp::NewLC()
+// ---------------------------------------------------------------------------
+//
+EXPORT_C CXIMPObjectCollectionImp* CXIMPObjectCollectionImp::NewLC()
+    {
+    CXIMPObjectCollectionImp* self = new ( ELeave ) CXIMPObjectCollectionImp;
+    CleanupStack::PushL( self );
+    return self;
+    }
+
+
+// ---------------------------------------------------------------------------
+// CXIMPObjectCollectionImp::~CXIMPObjectCollectionImp()
+// ---------------------------------------------------------------------------
+//
+CXIMPObjectCollectionImp::~CXIMPObjectCollectionImp()
+    {
+    iCollection.ResetAndDestroy();
+    }
+
+// ---------------------------------------------------------------------------
+// CXIMPObjectCollectionImp::CXIMPObjectCollectionImp()
+// ---------------------------------------------------------------------------
+//
+CXIMPObjectCollectionImp::CXIMPObjectCollectionImp()
+    {
+    }
+
+
+// ---------------------------------------------------------------------------
+// Implement supported interface access.
+// ---------------------------------------------------------------------------
+//
+XIMPIMP_IF_BASE_GET_INTERFACE_BEGIN( CXIMPObjectCollectionImp,
+                                     MXIMPObjectCollection )
+XIMPIMP_IF_BASE_GET_INTERFACE_END()
+
+
+XIMPIMP_IF_BASE_GET_CONST_INTERFACE_BEGIN( CXIMPObjectCollectionImp,
+                                           MXIMPObjectCollection )
+XIMPIMP_IF_BASE_GET_INTERFACE_END()
+
+
+
+// ---------------------------------------------------------------------------
+// CXIMPObjectCollectionImp::LookupByType()
+// ---------------------------------------------------------------------------
+//
+void CXIMPObjectCollectionImp::LookupByType(
+        const MXIMPBase*& aObject,
+        TInt32 aInterfaceId ) const
+    {
+    TInt start = FindLRUIndex( aObject );
+    
+    aObject = NULL;
+    
+    // now find the object without name
+    for ( TInt i = start; i < iCollection.Count(); i++ )
+        {
+        const CXIMPObjectCollectionImp::CXIMPCollectionElement* element = iCollection[ i ];
+
+        if ( ! element->iName->Length() )
+            {
+            // no name, ok
+            if ( aInterfaceId == element->iObject->Base().GetInterfaceId() )
+                {
+                // got a match!
+                aObject = &(element->iObject->Base());
+                return;
+                }
+            }
+        }
+
+    return;
+    }
+
+// ---------------------------------------------------------------------------
+// CXIMPObjectCollectionImp::LookupByTypeAndName()
+// ---------------------------------------------------------------------------
+//
+void CXIMPObjectCollectionImp::LookupByTypeAndName(
+                const MXIMPBase*& aObject,
+                TInt32 aInterfaceId,
+                const TDesC8& aMatch ) const
+    {
+    TInt start = FindLRUIndex( aObject );
+
+    aObject = NULL;
+
+    // now find the object with name
+    for ( TInt i = start; i < iCollection.Count(); i++ )
+        {
+        const CXIMPObjectCollectionImp::CXIMPCollectionElement* element = iCollection[ i ];
+
+        if ( ( KErrNotFound != element->iName->MatchF( aMatch ) ) 
+                && ( aInterfaceId == element->iObject->Base().GetInterfaceId() ) )
+            {
+            // got a match with correct name and interface id
+            aObject = &(element->iObject->Base());
+            return;
+            }
+        }
+
+    return;
+    }
+
+
+// ---------------------------------------------------------------------------
+// CXIMPObjectCollectionImp::AddObjectL
+// ---------------------------------------------------------------------------
+//
+void CXIMPObjectCollectionImp::AddObjectL(
+        MXIMPBase* aObject )
+    {
+    AddObjectWithNameL( aObject, KNullDesC8 );
+    }
+
+// ---------------------------------------------------------------------------
+// CXIMPObjectCollectionImp::AddObjectWithNameL
+// ---------------------------------------------------------------------------
+//
+void CXIMPObjectCollectionImp::AddObjectWithNameL(
+        MXIMPBase* aObject,
+        const TDesC8& aName )
+    {
+    // NULL is not accepted
+    User::LeaveIfError( aObject == NULL ? KErrArgument : KErrNone );
+    
+    // name must not contain wildcards
+    User::LeaveIfError( ValidateName( aName ) );
+
+    CXIMPApiObjBase* base = ( CXIMPApiObjBase* ) 
+        aObject->GetInterface( XIMPIMP_CLSID_CXIMPAPIOBJBASE, EPanicIfUnknown ); 
+    CXIMPObjectCollectionImp::CXIMPCollectionElement* element = 
+        CXIMPObjectCollectionImp::CXIMPCollectionElement::NewL( base, aName );
+    CleanupStack::PushL( element );
+    iCollection.AppendL( element );
+    CleanupStack::Pop( element ); 
+    }
+
+// ---------------------------------------------------------------------------
+// CXIMPObjectCollectionImp::GetByType
+// ---------------------------------------------------------------------------
+//
+TBool CXIMPObjectCollectionImp::GetByType(
+        MXIMPBase*& aObject,
+        TInt32 aInterfaceId )
+    {
+    aObject = NULL;
+
+    // now find the object without name
+    for ( TInt i = 0; i < iCollection.Count(); i++ )
+        {
+        CXIMPObjectCollectionImp::CXIMPCollectionElement* element = iCollection[ i ];
+
+        if ( ! element->iName->Length() )
+            {
+            // no name, ok
+            if ( aInterfaceId == element->iObject->Base().GetInterfaceId() )
+                {
+                // got a match!
+                CXIMPApiObjBase* object = element->GetObject(); 
+                iCollection.Remove( i );
+                delete element;
+                aObject = &(object->Base());
+                return ETrue;
+                }
+            }
+        }
+
+    return EFalse;
+    }
+
+// ---------------------------------------------------------------------------
+// CXIMPObjectCollectionImp::GetByTypeAndName
+// ---------------------------------------------------------------------------
+//
+TBool CXIMPObjectCollectionImp::GetByTypeAndName(
+        MXIMPBase*& aObject,
+        TInt32 aInterfaceId,
+        const TDesC8& aMatch )
+    {
+    aObject = NULL;
+
+    // now find the object with name
+    for ( TInt i = 0; i < iCollection.Count(); i++ )
+        {
+        CXIMPObjectCollectionImp::CXIMPCollectionElement* element = iCollection[ i ];
+
+        if ( ( KErrNotFound != element->iName->MatchF( aMatch ) ) 
+                && ( aInterfaceId == element->iObject->Base().GetInterfaceId() ) )
+            {
+            // got a match with correct name and interface id
+            CXIMPApiObjBase* object = element->GetObject(); 
+            iCollection.Remove( i );
+            delete element;
+            aObject = &(object->Base());
+            return ETrue;
+            }
+        }
+
+    return EFalse;
+    }
+
+// ---------------------------------------------------------------------------
+// CXIMPObjectCollectionImp::FindLRUIndex()
+// ---------------------------------------------------------------------------
+//
+TInt CXIMPObjectCollectionImp::FindLRUIndex( const MXIMPBase*& aObject ) const
+    {
+    TInt start = 0;
+
+    // naive lookup, least recently used (from beginning to the end).
+    // find starting position
+    if ( aObject != NULL )
+        {
+        TBool found = EFalse;
+        for ( TInt i = 0; ( i < iCollection.Count()-1 ) && ( ! found ); i++ )
+            {
+            const CXIMPObjectCollectionImp::CXIMPCollectionElement* element = iCollection[ i ];
+            if ( aObject == &(element->iObject->Base()) )
+                {
+                found = ETrue;
+                start = i;
+                }
+            }
+        }
+
+    return start;
+    }
+
+// ---------------------------------------------------------------------------
+// CXIMPObjectCollectionImp::ValidateName()
+// ---------------------------------------------------------------------------
+//
+TInt CXIMPObjectCollectionImp::ValidateName( const TDesC8& aName ) const
+    {
+    const TUint8* pName = aName.Ptr();
+
+    TInt pNameLen = aName.Length();
+    for( ; pNameLen; pName++, pNameLen-- )
+        {
+        if( *pName > 0x7e || 
+            *pName < 0x20 || 
+            *pName == '*' || 
+            *pName == '?' || 
+            *pName == ':' )
+            {
+            return KErrBadName;                
+            }
+        }
+
+	return KErrNone;
+	}
+
+
+
+// End of file