// Copyright (c) 2006-2009 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 <xml/dom/xmlengnamespace.h>

#include <stdapis/libxml2/libxml2_tree.h>

#include "xmlengdomdefs.h"

#include <xml/utils/xmlengxestrings.h>	//pjj18 new

#define LIBXML_NS (static_cast<xmlNsPtr>(iInternal))

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

// @return Namespace URI string 

// 

// For TXmlEngNamespace(NULL) or namespace undeclaration (xmlns=""), which are

// treatet as <i>undefined namespace</i> returns NULL,

// otherwise result is not a NULL string and not a "" (empty string).

//

// @note "" is never returned - it is replaced with NULL

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

//

EXPORT_C TPtrC8 TXmlEngNamespace::Uri() const

    {

    return ((TXmlEngConstString)CAST_XMLCHAR_TO_DOMSTRING(

               LIBXML_NS &&

               LIBXML_NS->href &&  

               *(LIBXML_NS->href) 

                     ? LIBXML_NS->href 

                     : NULL

           )).PtrC8();    

    }

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

// Returns prefix that is bound in the namespace declaration

// or NULL string for default namespace or if no binding exist

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

//

EXPORT_C TPtrC8 TXmlEngNamespace::Prefix() const

    {

    return ((TXmlEngConstString)CAST_XMLCHAR_TO_DOMSTRING(

             LIBXML_NS 

                ? LIBXML_NS->prefix 

                : NULL

           )).PtrC8();

    }

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

// @return Whether it is a definition of default namespace

//         TRUE  -- is a default namespace (no prefix)

//         FALSE -- not a default namespace (bound to prefix) or empty 

//                  TXmlEngNamespace(NULL) instance

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

//

EXPORT_C TBool TXmlEngNamespace::IsDefault() const

    {

    return IsUndefined() || (!LIBXML_NS->prefix);

    }

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

// @return Whether the namespace is undefined

//

// A node's namespace is undefined if no namespace declaration associated with it.

//

// @note Same as TXmlEngNode::IsNull()

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

// 

EXPORT_C TBool TXmlEngNamespace::IsUndefined() const

    {

    return IsNull() || (!LIBXML_NS->href);

    }