/*

 * Copyright (c) 2002-2004 Nokia Corporation and/or its subsidiary(-ies). 

 * All rights reserved.

 * This component and the accompanying materials are made available

 * under the terms of the License "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 "SortUtilImpl.h"

 namespace SortUtilImpl

     {

     inline TPtrC StripLeadingWhiteSpace_inline(const TDesC& aText)

     {

     const TText* p = aText.Ptr();

     const TText* const end = p + aText.Length();

     for (; p != end; ++p)

         {

         if (!TChar(*p).IsSpace())

             {

             return aText.Mid(p - aText.Ptr());

             }

         }

     // All of aText was whitespace: return empty string

     return TPtrC();

     }

     TPtrC StripLeadingWhiteSpace(const TDesC& aText)

         {

         return StripLeadingWhiteSpace_inline(aText);

         }

     TPtrC FindNextNonEmptyKey

             (const MSortKeyArray& aKeys, 

             TSortKeyType aType, 

             TInt& aIndex)

         {

         TPtrC result;

         while (aIndex < aKeys.SortKeyCount())

             {

             const TSortKey key(aKeys.SortKeyAt(aIndex));

             ++aIndex;

             if (key.Type() == aType)

                 {

                 result.Set(StripLeadingWhiteSpace_inline(key.Text()));

                 if (result.Length() > 0)

                     {

                     return result;

                     }

                 }

             }

         return result;

         }

     }  // namespace SortUtilImpl

 // End of file