--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/symport/charconv/framework/inc/utf.h	Thu Jun 25 15:59:54 2009 +0100
@@ -0,0 +1,86 @@
+// Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of the License "Symbian Foundation License v1.0"
+// which accompanies this distribution, and is available
+// at the URL "http://www.symbianfoundation.org/legal/sfl-v10.html".
+//
+// Initial Contributors:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description:
+//
+
+#if !defined(__UTF_H__)
+#define __UTF_H__
+
+#if !defined(__E32STD_H__)
+#include <e32std.h>
+#endif
+
+
+class CnvUtfConverter
+/** 
+Converts text between Unicode (UCS-2) and the two Unicode transformation 
+formats UTF-7 and UTF-8. There are no functions to convert directly between 
+UTF-7 and UTF-8.
+
+Objects of this class do not need to be created because all the member functions 
+are static. The four functions are passed text in the second argument and 
+output the resulting text in the first argument. Sixteen-bit descriptors are 
+used to hold text encoded in UCS-2 (i.e. normal 16 bit Unicode), and eight-bit 
+descriptors are used to hold text encoded in either of the transformation 
+formats.
+
+The conversion functions return the number of characters which were not converted 
+because the output descriptor was not long enough to hold all of the converted 
+text. This allows users of this class to perform partial conversions on an 
+input descriptor, handling the case when the input descriptor is truncated 
+mid way through a multi-byte character. The caller does not have to guess 
+how big to make the output descriptor for a given input descriptor- they 
+can simply do the conversion in a loop using a small output descriptor. The 
+ability to handle truncated descriptors is particularly useful if the caller 
+is receiving information in chunks from an external source. 
+@publishedAll
+@released
+*/
+	{
+public:
+	/** Conversion error flags. At this stage there is only one error flag 
+	- others may be added in the future. */
+	enum TError
+		{
+ 		/** The input descriptor contains a single corrupt character. This 
+ 		might occur when the input descriptor only contains some of the bytes 
+ 		of a single multi-byte character. */
+		EErrorIllFormedInput=KErrCorrupt
+		};
+	 
+	 /** Initial value for the state argument in a set of related calls to
+	ConvertToUnicode(). */
+	enum {KStateDefault=0}; 
+public:
+	// the conversion functions return either one of the TError values above, or the number of unconverted elements left at the end of the input descriptor
+	IMPORT_C static TInt ConvertFromUnicodeToUtf7(TDes8& aUtf7, const TDesC16& aUnicode, TBool aEncodeOptionalDirectCharactersInBase64);
+	static TInt ConvertFromUnicodeToUtf7(TDes8& aUtf7, const TDesC16& aUnicode, TBool aIsImapUtf7, TBool aEncodeOptionalDirectCharactersInBase64);
+	IMPORT_C static TInt ConvertFromUnicodeToUtf8(TDes8& aUtf8, const TDesC16& aUnicode);
+	static TInt ConvertFromUnicodeToUtf8(TDes8& aUtf8, const TDesC16& aUnicode, TBool aGenerateJavaConformantUtf8);
+	IMPORT_C static TInt ConvertToUnicodeFromUtf7(TDes16& aUnicode, const TDesC8& aUtf7, TInt& aState);
+	static TInt ConvertToUnicodeFromUtf7(TDes16& aUnicode, const TDesC8& aUtf7, TBool aIsImapUtf7, TInt& aState);
+	IMPORT_C static TInt ConvertToUnicodeFromUtf8(TDes16& aUnicode, const TDesC8& aUtf8);
+	static TInt ConvertToUnicodeFromUtf8(TDes16& aUnicode, const TDesC8& aUtf8, TBool aGenerateJavaConformantUtf8);
+	static TInt ConvertToUnicodeFromUtf8(TDes16& aUnicode, const TDesC8& aUtf8, TBool aGenerateJavaConformantUtf8,
+			TInt& aNumberOfUnconvertibleCharacters, TInt& aIndexOfFirstByteOfFirstUnconvertibleCharacter);
+
+	IMPORT_C static HBufC8* ConvertFromUnicodeToUtf7L(const TDesC16& aUnicode,TBool aEncodeOptionalDirectCharactersInBase64);
+	IMPORT_C static HBufC8* ConvertFromUnicodeToUtf8L(const TDesC16& aUnicode);
+	IMPORT_C static HBufC16* ConvertToUnicodeFromUtf7L(const TDesC8& aUtf7); 
+	IMPORT_C static HBufC16* ConvertToUnicodeFromUtf8L(const TDesC8& aUtf8);
+
+
+	};
+
+#endif
+