/*

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

* All rights reserved.

* This component and the accompanying materials are made available

* 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