applayerprotocols/wappushsupport/inc/WbConverter.h
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     1 // Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies).
       
     2 // All rights reserved.
       
     3 // This component and the accompanying materials are made available
       
     4 // under the terms of "Eclipse Public License v1.0"
       
     5 // which accompanies this distribution, and is available
       
     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     7 //
       
     8 // Initial Contributors:
       
     9 // Nokia Corporation - initial contribution.
       
    10 //
       
    11 // Contributors:
       
    12 //
       
    13 // Description:
       
    14 //
       
    15 
       
    16 #ifndef __WBCONVERTER_H
       
    17 #define __WBCONVERTER_H
       
    18 
       
    19 #include <e32std.h>
       
    20 #include <s32stor.h>
       
    21 #include <f32file.h>
       
    22 
       
    23 // forward declarations
       
    24 //
       
    25 class CWbxmlToken;
       
    26 class MWbxmlConverterObserver;
       
    27 class CByteList;
       
    28 class CCnvCharacterSetConverter;
       
    29 
       
    30 // consts, defines, enums
       
    31 //
       
    32 /**
       
    33 @publishedAll
       
    34 @deprecated
       
    35 */
       
    36 _LIT8(KWbXmlVersion10,"<?xml version=\"1.0\"?>");
       
    37 
       
    38 /**
       
    39 @publishedAll
       
    40 @deprecated
       
    41 */
       
    42 _LIT8(KWbPublicIdStartWml,"<!DOCTYPE wml PUBLIC \"");
       
    43 /**
       
    44 @publishedAll
       
    45 @deprecated
       
    46 */
       
    47 _LIT8(KWbPublicIdStartSi,"<!DOCTYPE si PUBLIC \"");
       
    48 /**
       
    49 @publishedAll
       
    50 @deprecated
       
    51 */
       
    52 _LIT8(KWbPublicIdStartSl,"<!DOCTYPE sl PUBLIC \"");
       
    53 
       
    54 
       
    55 /**
       
    56 @publishedAll
       
    57 @deprecated
       
    58 */
       
    59 _LIT(KWbTokenDatabaseWml11,"\\RESOURCE\\WAPPUSH\\WMLC11.TOK");
       
    60 /**
       
    61 @publishedAll
       
    62 @deprecated
       
    63 */
       
    64 _LIT(KWbTokenDatabaseWml12,"\\RESOURCE\\WAPPUSH\\WMLC12.TOK");
       
    65 /**
       
    66 @publishedAll
       
    67 @deprecated
       
    68 */
       
    69 _LIT(KWbTokenDatabaseSI10,"\\RESOURCE\\WAPPUSH\\SI10.TOK");
       
    70 /**
       
    71 @publishedAll
       
    72 @deprecated
       
    73 */
       
    74 _LIT(KWbTokenDatabaseSL10,"\\RESOURCE\\WAPPUSH\\SL10.TOK");
       
    75 
       
    76 /**
       
    77 @publishedAll
       
    78 @deprecated
       
    79 */
       
    80 _LIT8(KWbPublicIdEnd11,"\" \"http://www.wapforum.org/DTD/wml_1.1.xml\">");
       
    81 /**
       
    82 @publishedAll
       
    83 @deprecated
       
    84 */
       
    85 _LIT8(KWbPublicIdEnd12,"\" \"http://www.wapforum.org/DTD/wml_1.2.xml\">");
       
    86 /**
       
    87 @publishedAll
       
    88 @deprecated
       
    89 */
       
    90 _LIT8(KWbPublicIdEndSI10,"\" \"http://www.wapforum.org/DTD/si.dtd\">");
       
    91 /**
       
    92 @publishedAll
       
    93 @deprecated
       
    94 */
       
    95 _LIT8(KWbPublicIdEndSL10,"\" \"http://www.wapforum.org/DTD/sl.dtd\">");
       
    96 
       
    97 /**
       
    98 @publishedAll
       
    99 @deprecated
       
   100 */
       
   101 _LIT8(KWbTagStart,"<");
       
   102 /**
       
   103 @publishedAll
       
   104 @deprecated
       
   105 */
       
   106 _LIT8(KWbTagStartClose,"</");
       
   107 /**
       
   108 @publishedAll
       
   109 @deprecated
       
   110 */
       
   111 _LIT8(KWbTagEndWithContent,">");
       
   112 /**
       
   113 @publishedAll
       
   114 @deprecated
       
   115 */
       
   116 _LIT8(KWbTagEndWithoutContent,"/>");
       
   117 /**
       
   118 @publishedAll
       
   119 @deprecated
       
   120 */
       
   121 _LIT8(KWbVariableStart,"$(");
       
   122 /**
       
   123 @publishedAll
       
   124 @deprecated
       
   125 */
       
   126 _LIT8(KWbVariableEscaped,":E)");
       
   127 /**
       
   128 @publishedAll
       
   129 @deprecated
       
   130 */
       
   131 _LIT8(KWbVariableUnescaped,":U)");
       
   132 /**
       
   133 @publishedAll
       
   134 @deprecated
       
   135 */
       
   136 _LIT8(KWbVariableNoescape,":N)");
       
   137 /**
       
   138 @publishedAll
       
   139 @deprecated
       
   140 */
       
   141 _LIT8(KWbVariableNormal,")");
       
   142 /**
       
   143 @publishedAll
       
   144 @deprecated
       
   145 */
       
   146 _LIT8(KWbQuote,"\"");
       
   147 /**
       
   148 @publishedAll
       
   149 @deprecated
       
   150 */
       
   151 _LIT8(KWbSpace," ");
       
   152 /**
       
   153 @publishedAll
       
   154 @deprecated
       
   155 */
       
   156 _LIT8(KWbTab,"\t");
       
   157 /**
       
   158 @publishedAll
       
   159 @deprecated
       
   160 */
       
   161 _LIT8(KWbLineBreak,"\n");
       
   162 
       
   163 /**
       
   164 @publishedAll
       
   165 @deprecated
       
   166 */
       
   167 const TInt8 KWbxmlIdIndex = 0;
       
   168 /**
       
   169 @publishedAll
       
   170 @deprecated
       
   171 */
       
   172 const TInt8 KWbxmlIdUnknown = 1;
       
   173 /**
       
   174 @publishedAll
       
   175 @deprecated
       
   176 */
       
   177 const TInt8 KWbxmlIdWml10 = 2;
       
   178 /**
       
   179 @publishedAll
       
   180 @deprecated
       
   181 */
       
   182 const TInt8 KWbxmlIdWta10 = 3;
       
   183 /**
       
   184 @publishedAll
       
   185 @deprecated
       
   186 */
       
   187 const TInt8 KWbxmlIdWml11 = 4;
       
   188 /**
       
   189 @publishedAll
       
   190 @deprecated
       
   191 */
       
   192 const TInt8 KWbxmlIdSI = 5;
       
   193 /**
       
   194 @publishedAll
       
   195 @deprecated
       
   196 */
       
   197 const TInt8 KWbxmlIdSL = 6;
       
   198 /**
       
   199 @publishedAll
       
   200 @deprecated
       
   201 */
       
   202 const TInt8 KWbxmlIdWml12 = 9;
       
   203 
       
   204 // Entity translation literals
       
   205 /**
       
   206 @publishedAll
       
   207 @deprecated
       
   208 */
       
   209 _LIT8(KEntityDollar,"$$");
       
   210 /**
       
   211 @publishedAll
       
   212 @deprecated
       
   213 */
       
   214 _LIT8(KEntityAmp,"&amp;");
       
   215 /**
       
   216 @publishedAll
       
   217 @deprecated
       
   218 */
       
   219 _LIT8(KEntityLt,"&lt;");
       
   220 /**
       
   221 @publishedAll
       
   222 @deprecated
       
   223 */
       
   224 _LIT8(KEntityGt,"&gt;");
       
   225 /**
       
   226 @publishedAll
       
   227 @deprecated
       
   228 */
       
   229 _LIT8(KEntityQuot,"&quot;");
       
   230 /**
       
   231 @publishedAll
       
   232 @deprecated
       
   233 */
       
   234 _LIT8(KEntityApos,"&apos;");
       
   235 /**
       
   236 @publishedAll
       
   237 @deprecated
       
   238 */
       
   239 _LIT8(KEntityNbsp,"&nbsp;");
       
   240 /**
       
   241 @publishedAll
       
   242 @deprecated
       
   243 */
       
   244 _LIT8(KEntityShy,"&shy;");
       
   245 
       
   246 /**
       
   247 @publishedAll
       
   248 @deprecated
       
   249 */
       
   250 const TUint16 KWbxmlSkipLiteralEndTagMagicToken = 0xac1d;
       
   251 
       
   252 
       
   253 //
       
   254 // CWbxmlConverter
       
   255 //
       
   256 class RFileReadStream;
       
   257 //##ModelId=3B6678E20007
       
   258 class CWbxmlConverter : public CBase
       
   259 /**
       
   260 @publishedAll
       
   261 @deprecated
       
   262 */
       
   263 {
       
   264 public:	// Methods
       
   265 	//##ModelId=3B6678E30199
       
   266 	~CWbxmlConverter();
       
   267 
       
   268 	// NOTE: input data really is 8bit bytecode
       
   269 	//##ModelId=3B6678E300F9
       
   270 	IMPORT_C static CWbxmlConverter* NewL(RFs& aFs, MWbxmlConverterObserver* aObserver);
       
   271 	//##ModelId=3B6678E300BD
       
   272 	IMPORT_C static CWbxmlConverter* NewLC(RFs& aFs, MWbxmlConverterObserver* aObserver);
       
   273 	//##ModelId=3B6678E30135
       
   274 	IMPORT_C static CWbxmlConverter* NewL(RFs& aFs, MWbxmlConverterObserver* aObserver, const TDesC* aCharacterEncoding);
       
   275 	//##ModelId=3B6678E3009F
       
   276 	IMPORT_C void ProcessDataL(HBufC8& aBuffer);
       
   277 	//##ModelId=3B6678E3009E
       
   278 	IMPORT_C void CommitL();
       
   279 
       
   280 private:	// Emumerations
       
   281 
       
   282 	enum TGotoState
       
   283 	{
       
   284 		EGotoStreaming = 1,
       
   285 		EGotoString,
       
   286 		EGotoOpaque
       
   287 	};
       
   288 	enum TConvertState
       
   289 	{
       
   290 		EConvertError = 1,
       
   291 		EConvertVersion,
       
   292 		EConvertPublicIdValue,
       
   293 		EConvertCharset,
       
   294 		EConvertStringTable,
       
   295 		EConvertPublicIdName,
       
   296 		EConvertData,
       
   297 		EConvertFinished
       
   298 	};
       
   299 
       
   300 private:	// Methods
       
   301 
       
   302 	//##ModelId=3B6678E30080
       
   303 	CWbxmlConverter(RFs& aFs);
       
   304 	//##ModelId=3B6678E30045
       
   305 	void ConstructL(MWbxmlConverterObserver* aObserver, const TDesC* aCharacterEncoding);
       
   306 
       
   307 	//##ModelId=3B6678E30044
       
   308 	void HandleDataL();
       
   309 	//##ModelId=3B6678E30009
       
   310 	void SetNextStateL(const TInt aResult, const TConvertState aState);
       
   311 	//##ModelId=3B6678E30008
       
   312 	TInt ConvertWbxmlVersionL();
       
   313 	//##ModelId=3B6678E203E8
       
   314 	TInt ConvertPublicIdValueL();	// Extract PublicId
       
   315 	//##ModelId=3B6678E203E7
       
   316 	TInt ConvertPublicIdNameL();	// Report PublicId
       
   317 	//##ModelId=3B6678E203E6
       
   318 	TInt ConvertCharsetL();
       
   319 	//##ModelId=3B6678E203DE
       
   320 	TInt ConvertStringTableL();
       
   321 	//##ModelId=3B6678E203DD
       
   322 	TInt ConvertDataL();
       
   323 	//##ModelId=3B6678E203DC
       
   324 	TInt ConvertDataStreamingL();
       
   325 	//##ModelId=3B6678E203D3
       
   326 	TInt ConvertDataStringL();
       
   327 	//##ModelId=3B6678E203D2
       
   328 	TInt ConvertOpaqueDataL();
       
   329 	//##ModelId=3B6678E203B4
       
   330 	HBufC16* FormatDateStringL(TDesC8& aData);
       
   331 
       
   332 	//##ModelId=3B6678E20396
       
   333 	TInt OpenTokenFileL(HBufC& aFileName);
       
   334 	//##ModelId=3B6678E2035A
       
   335 	void ReadTokenFileL(RFileReadStream& aStream, HBufC8& aBuffer);
       
   336 	//##ModelId=3B6678E2033C
       
   337 	TInt LoadTokensL(HBufC* aBuffer);
       
   338 
       
   339 	//##ModelId=3B6678E2030A
       
   340 	TInt ExtractMultiByte(TUint32* aMultiByte, TInt aSkipHeader);
       
   341 	//##ModelId=3B6678E202E3
       
   342 	void Indent(const TInt aCount) const;
       
   343 	//##ModelId=3B6678E202E2
       
   344 	void FinishStringL();
       
   345 	//##ModelId=3B6678E202C4
       
   346 	HBufC16* CharsetConvertDataL(TDesC8& aData);
       
   347 
       
   348 	// Gets the full path to wmlc token table. Input aTokenFilePath is the path, without the drive.
       
   349 	//
       
   350 	// In:
       
   351 	// aTokenFilePath	- the path to the token table file.
       
   352 	//
       
   353 	// Rtn: the full path to the token table file. Ownership is transfered to caller.
       
   354 	//
       
   355 	//##ModelId=3B6678E202A6
       
   356 	HBufC* FindTokenFileL(const TDesC& aTokenFilePath) const;
       
   357 
       
   358 	// Replaces characters originating from chracter entity references with the reference string
       
   359 	// For example chracter '&' will be "decoded" back to "&amp;"
       
   360 	//
       
   361 	// In:
       
   362 	// aString - The original string containing the undedcoded characters.
       
   363 	//			 This string can get ReAllocated during the process - DO NOT USE THIS POINTER
       
   364 	//           AFTER THE CALL to this method. (use the returned one instead...)
       
   365 	// Return:
       
   366 	// HBufC*  - Pointer to the string with replaced stuff
       
   367 	//
       
   368 	//##ModelId=3B6678E20288
       
   369 	HBufC* ReplaceCharacterEntitiesL(HBufC* aString);
       
   370 
       
   371 	// MWbxmlConverterObserver interface overloads
       
   372 	//##ModelId=3B6678E2024C
       
   373 	void OutputL(const TUint32 aSource) const;
       
   374 
       
   375 	//##ModelId=3B6678E2022E
       
   376 	TBool OutputCheckQuoteL(HBufC8& aSource) const;
       
   377 
       
   378 	// Helper method to optimise the OutputL oveloads
       
   379 	//##ModelId=3B6678E20211
       
   380 	void BufferAndOutputL(const TDesC8& aSource) const;
       
   381 
       
   382 	// Must exist for Binary Compatibility
       
   383 	//##ModelId=3B6678E20210
       
   384 	IMPORT_C virtual void CWbxmlConverter_Reserved1();
       
   385 
       
   386 private:	// Attributes
       
   387 	
       
   388 	// For binary compatibility
       
   389 	//##ModelId=3B6678E20206
       
   390 	TAny* CWbxmlConverter_Reserved;
       
   391 	
       
   392 	// Attributes
       
   393 	// Note: conversion table from disk ie. you can change it at runtime
       
   394 	//##ModelId=3B6678E201F2
       
   395 	CArrayPtrFlat<CWbxmlToken>* iTagArray;
       
   396 	//##ModelId=3B6678E201D3
       
   397 	CArrayPtrFlat<CWbxmlToken>* iAttArray;
       
   398 
       
   399 	//##ModelId=3B6678E2018D
       
   400 	MWbxmlConverterObserver* iObserver;
       
   401 
       
   402 	//##ModelId=3B6678E20179
       
   403 	TUint8 iWbxmlVersion;
       
   404 	//##ModelId=3B6678E20165
       
   405 	TUint32 iWbxmlCharset;
       
   406 	//##ModelId=3B6678E20151
       
   407 	TUint32 iPublicId;
       
   408 	//##ModelId=3B6678E2013D
       
   409 	TUint32 iPublicIdIndex;
       
   410 
       
   411 	// Note: must handle source as 8bit data even in Unicode compile!
       
   412 	//##ModelId=3B6678E2012B
       
   413 	CByteList* iByteList;
       
   414 	//##ModelId=3B6678E2011F
       
   415 	HBufC8* iStringTable;
       
   416 	//##ModelId=3B6678E2010D
       
   417 	HBufC8* iPublicIdStr;
       
   418 	//##ModelId=3B6678E20101
       
   419 	RFs&	iFs;
       
   420 
       
   421 	//##ModelId=3B6678E200ED
       
   422 	TInt iState;
       
   423 	//##ModelId=3B6678E200E3
       
   424 	TUint32 iContinue;
       
   425 
       
   426 	//##ModelId=3B6678E200D1
       
   427 	TUint8 iVariable;
       
   428 	//##ModelId=3B6678E200C5
       
   429 	TUint8 hasAttrs;
       
   430 	//##ModelId=3B6678E200B3
       
   431 	TUint8 hasContent;
       
   432 
       
   433 
       
   434 	//##ModelId=3B6678E200A7
       
   435 	TInt iTagIndex;
       
   436 	//##ModelId=3B6678E20095
       
   437 	CArrayFixFlat<TUint16>* iTagStack;
       
   438 	//##ModelId=3B6678E2006B
       
   439 	TBool iRestrictedOutput;
       
   440 
       
   441 	enum TParsing
       
   442 	{
       
   443 		EParseNot = 0,
       
   444 		EParseTag,
       
   445 		EParseAttrs
       
   446 	};
       
   447 	//##ModelId=3B6678E20059
       
   448 	TParsing iParsing;
       
   449 	//##ModelId=3B6678E2004F
       
   450 	TBool iOpenQuote;
       
   451 
       
   452 	//##ModelId=3B6678E20045
       
   453 	mutable HBufC8* iOutputBuffer;		// Buffered output buffer : Optimisation
       
   454 
       
   455 	//##ModelId=3B6678E2003B
       
   456 	CCnvCharacterSetConverter* iCharsetConverter;
       
   457 
       
   458 #ifdef __OUTPUT_WMLC
       
   459 	//##ModelId=3B6678E20031
       
   460 	RFile iWmlcFile;		// Debug stuff
       
   461 	//##ModelId=3B6678E20025
       
   462 	RFs iWmlcFs;			// Debug stuff
       
   463 #endif
       
   464 
       
   465 };
       
   466 
       
   467 #endif // __WBCONVERTER_H
       
   468 
       
   469 //
       
   470 // End of file
       
   471 //