1 /*

     2 * Copyright (c) 2002 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:  Generic WBXML parser class.

    15 *

    16 */

    17 

    18 

    19 #ifndef __WBXMLPARSER_H__

    20 #define __WBXMLPARSER_H__

    21 

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

    23 // Includes

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

    25 #include <e32base.h>

    26 #include <s32strm.h>

    27 

    28 #include "WBXMLHandler.h"

    29 #include "WBXMLDefs.h"

    30 #include "WBXMLParserError.h"

    31 

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

    33 // Constants

    34 // ------------------------------------------------------------------------------------------------

    35 _LIT(KWBXMLNoExtHandler, "No extension handler");

    36 _LIT(KWBXMLNoDocHandler, "No document handler");

    37 

    38 _LIT8(KWBXMLNull, "\x00");

    39 

    40 // ------------------------------------------------------------------------------------------------

    41 // Forwards

    42 // ------------------------------------------------------------------------------------------------

    43 class CWBXMLAttributes;

    44 

    45 // ------------------------------------------------------------------------------------------------

    46 // TWBXMLStackItem

    47 // ------------------------------------------------------------------------------------------------

    48 struct TWBXMLStackItem

    49 	{

    50 public:

    51 	inline TWBXMLStackItem( TUint8 aTag, TUint8 aCodePage );

    52 	inline TUint8 Tag() const;

    53 	inline TUint8 CodePage() const;

    54 

    55 private:

    56 	TUint8 iTag;

    57 	TUint8 iCodePage;

    58 	TUint16 iDummy;

    59 	};

    60 

    61 #include "WBXMLParser.inl"

    62 

    63 // ------------------------------------------------------------------------------------------------

    64 // CWBXMLParser

    65 // ------------------------------------------------------------------------------------------------

    66 class CWBXMLParser : public CBase

    67 	{

    68 public:

    69 	IMPORT_C static CWBXMLParser* NewL();

    70 	IMPORT_C ~CWBXMLParser();

    71 	IMPORT_C void SetDocumentHandler( MWBXMLDocumentHandler* aHandler );

    72 	IMPORT_C void SetExtensionHandler( MWBXMLExtensionHandler* aHandler );

    73 

    74 	IMPORT_C void SetDocumentL( RReadStream& aInput );

    75 	IMPORT_C TWBXMLParserError ParseL();

    76 

    77 private:

    78 	TWBXMLParserError DoParseDocumentHeaderL();

    79 	TWBXMLParserError DoParseDocumentBodyL();

    80 

    81 	TUint32 ReadMUint32L();

    82 	TUint8 ReadUint8L();

    83 	TPtrC8 ReadStrIL();

    84 	TPtrC8 ReadOpaqueL();

    85 	TPtrC8 StringTableString( TUint32 aIndex );

    86 	void ReadAttributesL( CWBXMLAttributes* aAttributes );

    87 	void ReadStringTableL();

    88 	void HandleExtensionsL( TUint8 aId );

    89 	void HandleElementL( TUint8 aId );

    90 

    91 	void ConstructL();

    92 

    93 private:

    94 	MWBXMLDocumentHandler* iDocHandler;

    95 	MWBXMLExtensionHandler* iExtHandler;

    96 	HBufC8* iStringTable;

    97 	RReadStream iInput;

    98 	RArray<TWBXMLStackItem> iStack;

    99 	CBufBase* iBuffer;

   100 	TUint8 iCodePage;

   101 	TBool iDocHdrParsed;

   102 	};

   103 

   104 #endif // __WBXMLPARSER_H__