author | Simon Howkins <simonh@symbian.org> |
Mon, 15 Nov 2010 14:53:34 +0000 | |
branch | RCL_3 |
changeset 105 | 871af676edac |
parent 0 | dd21522fd290 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2005 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 the License "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: An Atom parser. |
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* |
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*/ |
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#ifndef ATOM_FEED_PARSER_H |
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#define ATOM_FEED_PARSER_H |
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// INCLUDES |
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#include "FeedParser.h" |
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// CONSTANTS |
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// MACROS |
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// DATA TYPES |
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// FUNCTION PROTOTYPES |
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// FORWARD DECLARATIONS |
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class CXmlUtils; |
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class RXmlEngDocument; |
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// CLASS DECLARATION |
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/** |
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* An Atom parser. |
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* |
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* \b Library: FeedsEngine.lib |
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* |
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* @since 3.1 |
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*/ |
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class CAtomFeedParser: public CFeedParser |
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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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static CAtomFeedParser* NewL(CXmlUtils& aXmlUtils); |
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/** |
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* Destructor. |
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*/ |
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virtual ~CAtomFeedParser(); |
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public: // From FeedParser |
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/** |
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* Creates a Feed instance from the given document. |
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* |
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* @since 3.0 |
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* @param aDocument A document. |
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* @param aObserver The parser's observer. |
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* @return void |
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*/ |
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virtual void ParseFeedL(RXmlEngDocument aDocument, |
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MFeedParserObserver& aObserver); |
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public: // New methods |
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/** |
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* Returns true if this feed parser can process the given document. |
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* |
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* @since 3.0 |
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* @param aXmlUtils The XmlUtils instance. |
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* @param aDocument A document. |
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* @param aContentType The content-type. |
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* @return true or false. |
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*/ |
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static TBool IsFeedSupported(CXmlUtils& aXmlUtils, |
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RXmlEngDocument aDocument, const TDesC& aContentType); |
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private: // New methods |
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/** |
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* C++ default constructor. |
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*/ |
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CAtomFeedParser(CXmlUtils& aXmlUtils); |
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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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/** |
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* A local ElementHandler function that populates the Item instance with the |
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* values from the given item node. |
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* |
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* @since 3.1 |
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* @param aParser The parser calling this method. |
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* @param aXmlUtils The xml util instance. |
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* @param aNode A node. |
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* @param aValueId The normalized value-id. |
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* @param aObserver The parser's observer. |
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* @return void. |
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*/ |
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static void ElementHandlerItemL(const CFeedParser& aParser, CXmlUtils& aXmlUtils, |
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TXmlEngElement aNode, TInt aValueId, MFeedParserObserver& aObserver); |
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/** |
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* A local ElementHandler function that handles the link element. |
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* |
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* @since 3.1 |
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* @param aParser The parser calling this method. |
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* @param aXmlUtils The xml util instance. |
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* @param aNode A node. |
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* @param aValueId The normalized value-id. |
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* @param aObserver The parser's observer. |
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* @return void. |
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*/ |
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static void ElementHandlerLinkL(const CFeedParser& aParser, CXmlUtils& aXmlUtils, |
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TXmlEngElement aNode, TInt aValueId, MFeedParserObserver& aObserver); |
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/** |
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* A local ElementHandler function that determines the timestamp to use. The |
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* point is to track the most relevant timestamp (updated and modified take |
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* precedence over published and issued). |
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* |
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* @since 3.1 |
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* @param aParser The parser calling this method. |
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* @param aXmlUtils The xml util instance. |
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* @param aNode A node. |
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* @param aValueId The normalized value-id. |
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* @param aObserver The parser's observer. |
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* @return void. |
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*/ |
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static void ElementHandlerTimestampL(const CFeedParser& aParser, CXmlUtils& aXmlUtils, |
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TXmlEngElement aNode, TInt aValueId, MFeedParserObserver& aObserver); |
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/** |
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* Determine and set the unique IdStr attribute (unique to the feed that is). |
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* |
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* @since 3.1 |
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* @param aItemNode A libxml2 node. |
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* @param aObserver The parser's observer. |
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* @return void. |
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*/ |
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void SetItemIdStrAttributeL(TXmlEngElement aItemNode, MFeedParserObserver& aObserver); |
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private: |
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TLeakTracker iLeakTracker; |
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TXmlEngElement iFeedTimestampNode; |
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TXmlEngElement iItemTimestampNode; |
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}; |
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#endif // ATOM_FEED_PARSER_H |
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// End of File |