syncmlfw/common/xml/src/devinf/XMLDevInfParser.cpp
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     1 /*
       
     2 * Copyright (c) 2004 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:  XML device information DTD parser
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 #include "XMLDevInfParser.h"
       
    20 #include "WBXMLParserError.h"
       
    21 
       
    22 #include "smlmetinfdtd.h"
       
    23 #include "xmlelement.h"
       
    24 
       
    25 // ------------------------------------------------------------------------------------------------
       
    26 // CXMLDevInfDocHandler
       
    27 // ------------------------------------------------------------------------------------------------
       
    28 EXPORT_C CXMLDevInfDocHandler* CXMLDevInfDocHandler::NewL( MWBXMLDevInfCallbacks* aCallbacks )
       
    29 	{
       
    30 	CXMLDevInfDocHandler* self = new (ELeave) CXMLDevInfDocHandler(aCallbacks);
       
    31 	CleanupStack::PushL(self);
       
    32 	self->ConstructL();
       
    33 	CleanupStack::Pop(); // self
       
    34 	return self;
       
    35 	}
       
    36 
       
    37 // ------------------------------------------------------------------------------------------------
       
    38 EXPORT_C CXMLDevInfDocHandler::~CXMLDevInfDocHandler()
       
    39 	{
       
    40 	if(iCmdStack)
       
    41 		{
       
    42 		iCmdStack->Reset();
       
    43 		}
       
    44 	
       
    45 	delete iCmdStack;
       
    46 	delete iCleanupStack;
       
    47 	}
       
    48 
       
    49 // ------------------------------------------------------------------------------------------------
       
    50 void CXMLDevInfDocHandler::StartDocumentL( TUint8 /*aVersion*/, TInt32 /*aPublicId*/, TUint32 /*aCharset*/ )
       
    51 	{
       
    52 	}
       
    53 
       
    54 // ------------------------------------------------------------------------------------------------
       
    55 void CXMLDevInfDocHandler::StartDocumentL( TUint8 /*aVersion*/, const TDesC8& /*aPublicIdStr*/, TUint32 /*aCharset*/ )
       
    56 	{
       
    57 	}
       
    58 
       
    59 // ------------------------------------------------------------------------------------------------
       
    60 void CXMLDevInfDocHandler::EndDocumentL()
       
    61 	{
       
    62 	}
       
    63 
       
    64 // ------------------------------------------------------------------------------------------------
       
    65 void CXMLDevInfDocHandler::StartElementL( TWBXMLTag aTag, const CWBXMLAttributes& /*aAttributes*/ )
       
    66 	{
       
    67 	if( iCmdStack->Top() != 0 )
       
    68 		{
       
    69 		AddElementL(iCmdStack->Top()->BeginElementL(aTag, TXMLElementParams(iCallbacks, iCmdStack, iCleanupStack)));
       
    70 		}
       
    71 	else
       
    72 		{
       
    73 		if( aTag == EDevDevInf )
       
    74 			{
       
    75 			AddElementL(new (ELeave) SmlDevInfDevInf_t());
       
    76 			}
       
    77 		else
       
    78 			{
       
    79 			User::Leave(KWBXMLParserErrorInvalidTag);
       
    80 			}
       
    81 		}
       
    82 	}
       
    83 
       
    84 // ------------------------------------------------------------------------------------------------
       
    85 void CXMLDevInfDocHandler::AddElementL( CXMLElement* aElement )
       
    86 	{
       
    87 	if( aElement )
       
    88 		{
       
    89 		iCmdStack->Push(aElement);
       
    90 		if( aElement->NeedsCleanup() )
       
    91 			{
       
    92 			iCleanupStack->Push(aElement);
       
    93 			}
       
    94 		}
       
    95 	}
       
    96 
       
    97 // ------------------------------------------------------------------------------------------------
       
    98 void CXMLDevInfDocHandler::EndElementL( TWBXMLTag aTag )
       
    99 	{
       
   100 	if( iCmdStack->Top() != 0 )
       
   101 		{
       
   102 		CXMLElement::TAction action = iCmdStack->Top()->EndElementL(iCallbacks, aTag);
       
   103 		if( action != CXMLElement::ENone )
       
   104 			{
       
   105 			CXMLElement* elem = iCmdStack->Pop();
       
   106 			if( iCleanupStack->Top() == elem )
       
   107 				{
       
   108 				iCleanupStack->Pop();
       
   109 				}
       
   110 			if( action == CXMLElement::EPopAndDestroy )
       
   111 				{
       
   112 				delete elem;
       
   113 				}
       
   114 			}
       
   115 		}
       
   116 	}
       
   117 
       
   118 // ------------------------------------------------------------------------------------------------
       
   119 void CXMLDevInfDocHandler::CodePageSwitchL( TUint8 /*aPage*/ )
       
   120 	{
       
   121 	}
       
   122 
       
   123 // ------------------------------------------------------------------------------------------------
       
   124 void CXMLDevInfDocHandler::CharactersL( const TDesC8& aBuffer )
       
   125 	{
       
   126 	if( iCmdStack->Top() != 0 )
       
   127 		{
       
   128 		iCmdStack->Top()->SetDataL(aBuffer);
       
   129 		}
       
   130 	else
       
   131 		{
       
   132 		User::Leave(KWBXMLParserErrorInvalidTag);
       
   133 		}
       
   134 	}
       
   135 
       
   136 // ------------------------------------------------------------------------------------------------
       
   137 void CXMLDevInfDocHandler::DocumentChangedL()
       
   138 	{
       
   139 	iCmdStack->Reset();
       
   140 	}
       
   141 
       
   142 // ------------------------------------------------------------------------------------------------
       
   143 void CXMLDevInfDocHandler::Ext_IL( TWBXMLTag /*aTag*/, const TDesC8& /*aData*/ )
       
   144 	{
       
   145 	}
       
   146 
       
   147 // ------------------------------------------------------------------------------------------------
       
   148 void CXMLDevInfDocHandler::Ext_TL( TWBXMLTag /*aTag*/, TUint32 /*aData*/ )
       
   149 	{
       
   150 	}
       
   151 
       
   152 // ------------------------------------------------------------------------------------------------
       
   153 void CXMLDevInfDocHandler::ExtL( TWBXMLTag /*aTag*/ )
       
   154 	{
       
   155 	}
       
   156 
       
   157 // ------------------------------------------------------------------------------------------------
       
   158 void CXMLDevInfDocHandler::OpaqueL( const TDesC8& aData )
       
   159 	{
       
   160 	CharactersL(aData);
       
   161 	}
       
   162 
       
   163 // ------------------------------------------------------------------------------------------------
       
   164 void CXMLDevInfDocHandler::ConstructL()
       
   165 	{
       
   166 	iCmdStack = CNSmlStack<CXMLElement>::NewL();
       
   167 	iCleanupStack = CNSmlStack<CXMLElement>::NewL();
       
   168 	}
       
   169 
       
   170 // ------------------------------------------------------------------------------------------------
       
   171 CXMLDevInfDocHandler::CXMLDevInfDocHandler( MWBXMLDevInfCallbacks* aCallbacks ) : iCallbacks(aCallbacks)
       
   172 	{
       
   173 	}