1 /*

     2 * Copyright (c) 2005-2007 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

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

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:  ConML parser/generator

    15 *

    16 */

    17 

    18 

    19 #ifndef _SCONCONMLHANDLER_H

    20 #define _SCONCONMLHANDLER_H

    21 

    22 // -----------------------------------------------------------------------------

    23 // Includes

    24 // -----------------------------------------------------------------------------

    25 #include "sconconmlgenerator.h"

    26 #include "sconwbxmldefs.h"

    27 #include "sconconmlhandlererror.h"

    28 #include "sconconmldtd.h"

    29 

    30 // -----------------------------------------------------------------------------

    31 // Definitions and constants

    32 // -----------------------------------------------------------------------------

    33 

    34 _LIT8(KWBXMLNull, "\x00");

    35 

    36 const TInt KSConBufferGranularity( 32 );

    37 const TInt KSConDefaultDocumentSize( 2048 );

    38 

    39 // -----------------------------------------------------------------------------

    40 // TWBXMLStackItem

    41 // -----------------------------------------------------------------------------

    42 NONSHARABLE_STRUCT( TWBXMLStackItem )

    43     {

    44 public:

    45     inline TWBXMLStackItem( TUint8 aTag );

    46     inline TUint8 Tag() const;

    47 

    48 private:

    49     TUint8 iTag;

    50     };

    51 

    52 #include "sconwbxmlparser.inl"

    53 

    54 // -----------------------------------------------------------------------------

    55 // CSConConMLHandler - WBXML parsing

    56 // -----------------------------------------------------------------------------

    57 class CSConConMLHandler : public CBase

    58     {

    59 public:

    60     static CSConConMLHandler* NewL();

    61     ~CSConConMLHandler();

    62     

    63     /**

    64     * Starts the parsing of a WBXML document

    65     * @param aInput - the WBXML document to be parsed

    66     * @param aCallback - Call back function to call 

    67     * after the document is parsed

    68     * @return An error code

    69     */

    70     virtual TInt ParseDocumentL( CBufFlat& aInput,  

    71         MWBXMLConMLCallback* aCallback  );

    72     

    73     /**

    74     * Starts the generating of a WBXML and XML document

    75     * @param aContent - the data to be generated into the document

    76     * @return An error code

    77     */

    78     virtual TInt GenerateDocument( ConML_ConMLPtr_t aContent );

    79     

    80     /**

    81     * Returns the generated document in XML -format

    82     * @param none

    83     * @return The document as TPtrC8

    84     */

    85     virtual TPtrC8 XMLDocument();

    86     

    87     /**

    88     * Returns the generated document in WBXML -format

    89     * @param none

    90     * @return The document as TPtrC8

    91     */

    92     virtual TPtrC8 WBXMLDocument();

    93     

    94 private:

    95     CSConConMLHandler();

    96     void ConstructL();

    97     

    98     TInt ParseL();

    99     TConMLParserError DoParseDocumentHeaderL();

   100     TConMLParserError DoParseDocumentBodyL();

   101     TUint8 ReadUint8L();

   102     TUint32 ReadMUint32L();

   103     TPtrC8 ReadStrIL();

   104     TPtrC8 StringTableString( TUint32 aIndex );

   105     void ReadStringTableL();    

   106     TPtrC8 ReadOpaqueL();

   107     void HandleElementL( TUint8 aId );

   108     

   109 private:

   110     CSConConMLGenerator* iGenerator;

   111     HBufC8* iStringTable;

   112     CBufBase* iBuffer;

   113     TBool iHeaderParsed;

   114     RArray< TUint > iElemStack;

   115     TInt iPos;

   116     CBufFlat* iParseBuffer;

   117     MWBXMLConMLCallback* iCallback;

   118     };

   119 

   120     IMPORT_C CSConConMLHandler* CreateCSConConMLHandlerL();

   121     typedef CSConConMLHandler* (*TSConCreateCSConConMLHandlerFunc) (); 

   122     

   123 #endif