senxmlutils.h

00001 /*
00002 * ==============================================================================
00003 *  Name        : SenXmlUtils.h
00004 *  Part of     : Web Services Xml
00005 *  Interface   : 
00006 *  Description : This class offers a set of utility functions for XML data
00007 *  Version     : 
00008 *
00009 *  Copyright © 2002-2005 Nokia. All rights reserved.
00010 *  This material, including documentation and any related 
00011 *  computer programs, is protected by copyright controlled by 
00012 *  Nokia. All rights are reserved. Copying, including 
00013 *  reproducing, storing, adapting or translating, any 
00014 *  or all of this material requires the prior written consent of 
00015 *  Nokia. This material also contains confidential 
00016 *  information which may not be disclosed to others without the 
00017 *  prior written consent of Nokia.
00018 * ==============================================================================
00019 */
00020 
00021 #ifndef SEN_XML_UTILS_H
00022 #define SEN_XML_UTILS_H
00023 
00024 //  INCLUDES
00025 #include <e32base.h>
00026 #include <xml/Attribute.h>
00027 
00028 using namespace Xml;
00029 
00030 // CONSTANTS
00031 namespace
00032         {
00033         const TInt KMaxEscapedLength = 8;
00034 
00035         // Five basic entities as descriptors
00036     _LIT8(KEscapedApos,         "&apos;");
00037     _LIT8(KEscapedDblQuot,      "&quot;");
00038     _LIT8(KEscapedGt,           "&gt;");
00039     _LIT8(KEscapedLt,           "&lt;");
00040     _LIT8(KEscapedAmp,          "&amp;");
00041 
00042         // XML-escaping chars as descriptors
00043         _LIT8(KAmpersandDesC8,  "&");
00044         _LIT8(KAposDesC8,               "\'");
00045         _LIT8(KDblQuotDesC8,    "\"");
00046         _LIT8(KGtDesC8,                 ">");
00047         _LIT8(KLtDesC8,                 "<");
00048         }
00049         
00050 // CLASS DECLARATION
00051 
00063 class SenXmlUtils
00064     {
00065     public: // New functions
00066  
00073             IMPORT_C static HBufC8* ToUtf8LC(const TDesC16& aUnicodeString);
00074 
00081             IMPORT_C static HBufC16* ToUnicodeLC(const TDesC8& aUtf8String);
00082 
00091                 IMPORT_C static TBool StartsWith(const TDesC8& aDes,
00092                                                                                  const TDesC8& aPrefix);
00093 
00102                 IMPORT_C static TBool EndsWith(const TDesC8& aDes, const TDesC8& aPostfix);
00103 
00112                 IMPORT_C static TPtrC8  AttrValue(      const RAttributeArray& aAttributes,
00113                                                                                         const TDesC8& aAttrName);
00114 
00124             IMPORT_C static HBufC8* AllocAttrValueL(const RAttributeArray& apAttrs,
00125                                                                                                 const TDesC8& aAttrName);
00126 
00137                 IMPORT_C static void BuildQNameL(       const TDesC8& aPrefix, 
00138                                                                                         const TDesC8& aLocalName,
00139                                                                                         HBufC8*& aQName);
00140 
00157                 IMPORT_C static TBool EncodeHttpCharactersL(const TDesC8& aOriginal,
00158                                                                                                         HBufC8*& aEncoded);
00159                 
00169                 IMPORT_C static void LeaveOnXmlEscapesL(const TDesC8& aCandidate); 
00170  
00182                 static void LeaveOnInvalidElementNameL(const TDesC8& aCandidate);
00183                 
00198                 IMPORT_C static HBufC8* EncodeHttpCharactersLC(const TDesC8& aOriginal);
00199 
00212                 IMPORT_C static TBool DecodeHttpCharactersL(const TDesC8& aOriginal,
00213                                                                                                         HBufC8*& aDecoded);
00214                 
00224                 IMPORT_C static HBufC8* DecodeHttpCharactersLC(const TDesC8& aOriginal);
00225 
00233             IMPORT_C static TPtrC8 NsPrefix(const TDesC8& aQName);
00234 
00242             IMPORT_C static TPtrC8 LocalName(const TDesC8& aQName);
00243 
00244     private:
00245         
00249         SenXmlUtils() { }
00250 
00254         SenXmlUtils( const SenXmlUtils& );
00255         
00259         SenXmlUtils& operator=( const SenXmlUtils& );
00260 
00261                 // New functions
00262                 
00263         static TBool ReplaceAll( TPtr8 aDestination, 
00264                                                                  const TDesC8& aFrom,
00265                                                                  const TDesC8& aTo );        
00266     };
00267 
00268 // SEN_XML_UTILS_H
00269 #endif
00270 
00271 // End of File
00272