1 /*

     2  ============================================================================

     3  Name	: NPRStoryXmlParser.h

     4  Author	: John Kern

     5  

     6  Copyright (c) 2009 Symbian Foundation Ltd

     7  This component and the accompanying materials are made available

     8  under the terms of the License "Eclipse Public License v1.0"

     9  which accompanies this distribution, and is available

    10  at the URL "http://www.eclipse.org/legal/epl-v10.html".

    11 

    12  Initial Contributors:

    13  - Symbian Foundation Ltd - initial contribution

    14  - Symsource

    15  

    16  Contributors:

    17  - John Kern

    18  - Symsource

    19  

    20  Description : Story xml parser

    21  ============================================================================

    22  */

    23 

    24 #ifndef __NPR_STORY_XML_PARSER_H__

    25 #define __NPR_STORY_XML_PARSER_H__

    26 

    27 // INCLUDES

    28 #include <Xml/ContentHandler.h>

    29 #include <Xml/Parser.h>

    30 

    31 #include "NPRStory.h"

    32 

    33 using namespace Xml;

    34 

    35 /**

    36  *  CNPRStoryXmlParser

    37  * The SAX parser will use this handler and associated enums to create story objects.  

    38  */

    39 

    40 // used by SAX parser. States of the XML response from NPR server. 

    41 enum TNPRNewsState

    42 		{

    43 		ENPRNewsStateIdle = 0,

    44         ENPRNewsStateStory,

    45         ENPRNewsStateTitle,

    46         ENPRNewsStateTeaser,

    47         ENPRNewsStateThumbnail,

    48         ENPRNewsStateMedium,

    49         ENPRNewsStateText,

    50         ENPRNewsStateParagraph,

    51         ENPRNewsStateDate,

    52         ENPRNewsStateAudio,

    53         ENPRNewsStateAudioMp3,

    54         ENPRNewsStateAudioReal,

    55         ENPRNewsStateAudioWM,

    56 		};

    57 

    58 class CNPRStoryXmlParser : public CBase, public MContentHandler

    59 	{

    60 public:

    61 	static CNPRStoryXmlParser* NewL(RPointerArray<CNPRStory>* aStoryArray);

    62 	static CNPRStoryXmlParser* NewLC(RPointerArray<CNPRStory>* aStoryArray);

    63 	~CNPRStoryXmlParser();

    64 

    65 public:

    66 	void OnStartDocumentL(const RDocumentParameters& aDocParam, TInt aErrorCode); 

    67 	void OnEndDocumentL(TInt aErrorCode); 

    68 	void OnStartElementL(const RTagInfo& aElement, const RAttributeArray& aAttributes, TInt aErrorCode);

    69 	void OnEndElementL(const RTagInfo& aElement, TInt aErrorCode);

    70 	void OnContentL(const TDesC8& aBytes, TInt aErrorCode);

    71 	void OnStartPrefixMappingL(const RString& aPrefix, const RString& aUri, TInt aErrorCode);

    72 	void OnEndPrefixMappingL(const RString& aPrefix, TInt aErrorCode);

    73 	void OnIgnorableWhiteSpaceL(const TDesC8& aBytes, TInt aErrorCode);

    74 	void OnSkippedEntityL(const RString& aName, TInt aErrorCode);

    75 	void OnProcessingInstructionL(const TDesC8& aTarget, const TDesC8& aData, TInt aErrorCode);

    76 	void OnError(TInt aErrorCode);

    77 	TAny* GetExtendedInterface(const TInt32 aUid) ;

    78 	

    79 private:

    80 	// Constructors and destructor

    81 	HBufC* Copy8To16LC(const TDesC8& aDes);

    82 	

    83 private:

    84 	CNPRStoryXmlParser(RPointerArray<CNPRStory>* aStoryArray);

    85 	void ConstructL();

    86 	

    87 private:

    88 	CNPRStory*					iCurrentStory; 

    89 	TNPRNewsState 				iState;

    90 	RPointerArray<CNPRStory>* 	iStoryArray; //it doesn't take ownership, do not delete

    91 	HBufC8* 					iTagName;

    92 	TBool 						iStory;

    93 	};

    94 

    95 #endif // __NPR_STORY_XML_PARSER_H__