idlehomescreen/inc/xndomdocument.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Mon, 21 Jun 2010 15:27:11 +0300
branchRCL_3
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/*
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* Copyright (c) 2005,2006 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:  Represents the entire xmluiml specific xml and css data. 
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*
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*/
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#ifndef XN_DOM_DOCUMENT_H
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#define XN_DOM_DOCUMENT_H
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//  INCLUDES
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#include <e32base.h>
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#include <s32strm.h>
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//FORWARD DECLARATIONS
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class CXnDomStringPool;
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class CXnDomNode;
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// CLASS DECLARATION
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/**
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*  @ingroup group_domdocument
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*  Provides the primary access to the document's data.
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*  
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*  @lib xndomdocument.lib
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*  @since Series 60 3.1
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*/
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class CXnDomDocument: public CBase
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    {
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    public:  // Constructors and destructor
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        /**
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        * Two-phased constructor.
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        */
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        IMPORT_C static CXnDomDocument* NewL();
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        /**
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        * Two-phased stream constructor.
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        */
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        IMPORT_C static CXnDomDocument* NewL( RReadStream& aStream );
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        /**
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        * Construct CXnDomDocument from streamed HBufC8.
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        */
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        IMPORT_C static CXnDomDocument* NewL( const HBufC8* aBufStream );
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        /**
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        * Destructor.
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        */
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        IMPORT_C virtual ~CXnDomDocument();
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    public: // New functions
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        /**
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        * Makes a clone of this document.
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        * @since Series 60 3.1
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        * @return Pointer to a document. Caller has the ownership.
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        */
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        IMPORT_C CXnDomDocument* CloneL();
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        /**
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        * Factory method to create node elements, because elements cannot exist outside 
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        * the context of a document.
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        * @since Series 60 3.1
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        * @param aName UTF-8 encoded Element name
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        * @param aNamespace UTF-8 encoded Element namespace
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        * @return A new CXnDomNode type instance. Ownership is transferred to caller. 
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        */
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        IMPORT_C CXnDomNode* CreateElementNSL( const TDesC8& aName, const TDesC8& aNamespace );
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        /**
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        * Set the root of the document tree. Root node provides primary access to 
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        * document data. This class owns root node.
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        * @since Series 60 3.1
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        * @param aRootNode Documents's root node. Document takes ownership.
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        */
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        IMPORT_C void SetRootNode( CXnDomNode* aRootNode );
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        /**
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        * Get the root node of the document.
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        * @since Series 60 3.1
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        * @return Pointer to CXnDomNode type node
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        */
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        IMPORT_C CXnDomNode* RootNode() const;
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        /**
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        * Get the last node of the document.
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        * @since Series 60 3.1
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        * @return Pointer to CXnDomNode type node
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        */
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        IMPORT_C CXnDomNode* LastNode() const;
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        /**
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        * Get the size of the document's data. 
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        * @since Series 60 3.1
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        * @return Document's data size
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        */
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        IMPORT_C TInt Size() const;
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        /**
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        * Get document node count.
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        * @since Series 60 3.1
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        * @return Count of all nodes in a document
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        */
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        IMPORT_C TInt DomNodeCount() const;
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        /**
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        * Externalize document's data.
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        * @since Series 60 3.1
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        * @param aStream Output stream
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        */
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        IMPORT_C void ExternalizeL( RWriteStream& aStream ) const;
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        /**
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        * Internalize document's data.
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        * @since Series 60 3.1
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        * @param aStream Input stream
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        */
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        IMPORT_C void InternalizeL( RReadStream& aStream );
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        /**
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        * Returns document's data as a streamed buffer.
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        * @since Series 60 3.1
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        * @return Pointer to a new HBufC8 buffer which holds streamed document. 
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        * Ownership is transferred to a caller.
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        */
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        IMPORT_C HBufC8* MarshallL();
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        /**
2
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        * Get pointer to string pool
0
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        * @return Reference to string pool implementation
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        */
2
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        IMPORT_C CXnDomStringPool* StringPool() const;
0
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        /**
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        * Read contents from a stream.
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        * @param aStream Input stream
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        * @return void
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        */
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        IMPORT_C CXnDomNode* ReadL( RReadStream& aStream );
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    private:
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        /**
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        * C++ default constructor.
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        */
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        CXnDomDocument();
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        /**
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        * By default Symbian 2nd phase constructor is private.
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        */
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        void ConstructL();
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    private:    // Data
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        //Document owns the root node.
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        CXnDomNode*         iRootNode;
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        //Namespace map stores namespaces used in dom
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        CXnDomStringPool*   iDomStringPool;
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    };
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#endif      // XN_DOM_DOCUMENT_H  
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// End of File