--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/menufw/hierarchynavigator/hnmetadatamodel/inc/hnmdlocalizationelement.h	Thu Dec 17 08:40:49 2009 +0200
@@ -0,0 +1,227 @@
+/*
+* Copyright (c) 2007-2008 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:   
+*
+*/
+
+
+
+#ifndef C_HNMDLOCALIZATIONELEMENT_H
+#define C_HNMDLOCALIZATIONELEMENT_H
+
+
+#include <e32base.h>
+#include <e32hashtab.h> //RHashMap
+#include <xmlengelement.h> 
+#include <xmlengnodelist.h>
+
+
+/**
+ * Localization Element.
+ * 
+ * This is the localization element which is wrapped by the localization
+ * class. 
+ *
+ * @lib hnmetadatamodel
+ * @since S60 5.0
+ * @ingroup group_hnmetadatamodel
+ */
+NONSHARABLE_CLASS(CHnMdLocalizationElement) : public CBase
+    {
+    /**
+     * State of element - used for caching purpose 
+     */
+    enum TLocalizationElementStates {
+        EInitialized = 1,
+        EWholeFileCached = 2,
+        EUsedItemsCached = 4
+    };
+public:
+
+    /**
+     * Two-phase constructor.
+     *
+     * @since S60 5.0
+     * @param aElement Xml element.
+     * @return Fully constructed element.
+     */
+    static CHnMdLocalizationElement* NewL( TXmlEngElement aElement );
+
+    /**
+     * Two-phase constructor.
+     *
+     * @since S60 5.0
+     * @param aNamespace namespace
+     * @param aSource source
+     * @return Fully constructed element.
+     */
+    static CHnMdLocalizationElement* NewL( const TDesC& aNamespace, 
+                                           const TDesC& aSource);
+
+    /**
+     * Standard C++ virtal destructor.
+     *
+     * @since S60 5.0
+     */
+    virtual ~CHnMdLocalizationElement();
+    
+    /**
+     * Gets namespace.
+     *
+     * @since S60 5.0
+     * @return Namespace.
+     */
+    const TDesC& Namespace() const;
+    
+    /**
+     * Gets source.
+     *
+     * @since S60 5.0
+     * @return Source.
+     */
+    const TDesC& Source() const;
+    
+    /**
+     * Gets source path.
+     *
+     * @since S60 5.0
+     * @return Source.
+     */
+    HBufC* SourcePath() const;
+    
+    /**
+     * Returns true if path to source exists.
+     *
+     * @since S60 5.0
+     * @return Does path to source exist.
+     */
+    TBool SourceExists() const;
+    
+    /**
+     * Reloads the resource file path.
+     *
+     * @since S60 5.0
+     */
+    void LocateLanguageFileL();
+
+    /**
+     * Gets resource id from corresponsing rsg if exist
+     * Inside it implemented caching mechanism
+     * If file is small (<KWholeFileReadLimit) cache all entries, 
+     * otherwise it caches only used resources.
+     * 
+     * @since S60 5.0
+     * @param aResourceName Resource name.
+     * @return Resource id if exist.
+     */
+    const TInt& FindResourceIdL( HBufC8* aResourceName );
+    
+private:
+
+    /**
+     * Standard C++ constructor.
+     *
+     * @since S60 5.0
+     */
+    CHnMdLocalizationElement();
+
+    /**
+     * Standard symbian 2nd pahse constructor.
+     *
+     * @since S60 5.0
+     * @param aElement Xml element.
+     */
+    void ConstructL( TXmlEngElement aElement );
+
+    /**
+     * Standard symbian 2nd pahse constructor.
+     *
+     * @since S60 5.0
+     * @param aNamespace namespace
+     * @param aSource source
+     */
+    void ConstructL( const TDesC& aNamespace, const TDesC& aSource);
+    
+    /**
+     * Sets namespace
+     *
+     * @since S60 5.0
+     * @param aNamespace Namespace.
+     */
+    void SetNamespaceL( TXmlEngAttr aNamespace );
+    
+    /**
+     * Sets source.
+     *
+     * @since S60 5.0
+     * @param aSource Xml attribute.
+     */
+    void SetSourceL( TXmlEngAttr aSource );
+        
+    /**
+     * Read corresponding rsg file return content.
+     * 
+     * @since S60 5.0 
+     * @return Descriptor with file content.
+     */     
+    HBufC8* ReadRsgContentLC( );
+    
+    /**
+     * Parse content of corresponding rsg file and 
+     * fill in maping to internal map for all resource listed in content.
+     *  
+     * @since S60 5.0 
+     * @param aContent Descriptor with content.
+     */    
+    void ParseRsgContentL( const TDesC8& aContent );
+
+    /**
+     * Parse content of corresponding rsg file and 
+     * fill in maping to internal map only requested resource 
+     *
+     * @since S60 5.0  
+     * @param aContent Descriptor with content.
+     * @param aResourceName Requested resource name.
+     */        
+    void ParseRsgContentL( const TDesC8& aContent, const TDesC8& aResourceName );    
+    
+private: // data
+
+    /**
+     * Namespace.
+     */
+    RBuf iNamespace;
+    
+    /**
+     * Source.
+     */
+    RBuf iSource;
+    
+    /**
+     * Source path.
+     */
+    HBufC* iSourcePath;
+    
+    /**
+     * Mapping between resource name and resource id.
+     */
+    RHashMap< HBufC8*, TInt> iResourceIDs;
+    
+    /**
+     * State of element. 
+     */
+    TInt iState;
+    };
+
+#endif // C_HNMMLOCALIZATIONELEMENT_H