cryptoservices/certificateandkeymgmt/asn1/utf8strdec.cpp
author Santosh Patil <santosh.v.patil@nokia.com>
Wed, 08 Jul 2009 11:25:26 +0100
changeset 0 2c201484c85f
child 8 35751d3474b7
permissions -rw-r--r--
Move the Security package to EPL, and add the implementations of the cryptographic algorithms
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/*
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* Copyright (c) 1998-2009 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of the License "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description: 
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* UTF8STR.CPP
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* This file contains the implementation of the UTF8 String ASN1 class.
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* The IA5 string can contain the following characters:
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* \<character set unknown pending arrival of ITU spec\>
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*
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*/
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/**
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 @file
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*/
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#include <asn1dec.h>
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TInt ConvertToUnicodeFromUtf8(TDes16& aUnicode, const TDesC8& aUtf8);
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EXPORT_C TASN1DecUTF8String::TASN1DecUTF8String(void)
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	{
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	}
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EXPORT_C HBufC* TASN1DecUTF8String::DecodeDERL(const TASN1DecGeneric& aSource)
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	{
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	return DecodeContentsL(aSource.GetContentDER());
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	}
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EXPORT_C HBufC* TASN1DecUTF8String::DecodeDERL(const TDesC8& aSource,TInt& aPos)
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	{
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	TPtrC8 Source=aSource.Mid(aPos);
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	TASN1DecGeneric gen(Source);
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	gen.InitL();
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	HBufC* res = DecodeContentsL(gen.GetContentDER());
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	aPos+=gen.LengthDER();
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	return res;
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	}
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HBufC* TASN1DecUTF8String::DecodeContentsL(const TDesC8& aSource)
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	{
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	HBufC* res = HBufC::NewLC(aSource.Length());
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	TPtr pRes = res->Des();
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	User::LeaveIfError(ConvertToUnicodeFromUtf8(pRes, aSource));
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	CleanupStack::Pop(res);
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	return res;
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	}
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/**
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 * Converts text encoded using the Unicode transformation format UTF-8
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 * into the Unicode UCS-2 character set.
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 *
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 * @param aUnicode	On return, contains the Unicode encoded output string.
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 * @param aUtf8		The UTF-8 encoded input string
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 * @return			The number of unconverted bytes left at the end of the
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 *					input descriptor, or one of the error values defined
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 *					in <code>TError</code>.
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 */
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TInt ConvertToUnicodeFromUtf8(TDes16& aUnicode, const TDesC8& aUtf8)
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	{
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	if (aUtf8.Length()==0)
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		{
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		aUnicode.SetLength(0);
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		return 0;
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		}
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	if (aUnicode.MaxLength()==0)
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		{
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		return aUtf8.Length();
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		}
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	TUint16* pointerToCurrentUnicodeCharacter=CONST_CAST(TUint16*, aUnicode.Ptr());
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	const TUint16* pointerToLastUnicodeCharacter=pointerToCurrentUnicodeCharacter+(aUnicode.MaxLength()-1);
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	const TUint8* pointerToCurrentUtf8Byte=aUtf8.Ptr();
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	const TUint8* pointerToLastUtf8Byte=pointerToCurrentUtf8Byte+(aUtf8.Length()-1);
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	TBool inputIsTruncated=EFalse;
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	TUint16 replacementcharacter = 0xFFFD;
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	FOREVER
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		{
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		//__ASSERT_DEBUG(pointerToCurrentUnicodeCharacter<=pointerToLastUnicodeCharacter, Panic(EPanicBadUnicodePointers8));
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		//__ASSERT_DEBUG(pointerToCurrentUtf8Byte<=pointerToLastUtf8Byte, Panic(EPanicBadUtf8Pointers3));
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		TUint currentUtf8Byte=*pointerToCurrentUtf8Byte;
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		if ((currentUtf8Byte&0x80)==0x00)
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			{
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			*pointerToCurrentUnicodeCharacter=STATIC_CAST(TUint16, currentUtf8Byte);
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			}
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		else if ((currentUtf8Byte&0xe0)==0xc0)
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			{
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			//__ASSERT_DEBUG(pointerToCurrentUtf8Byte<=pointerToLastUtf8Byte, Panic(EPanicBadUtf8Pointers4));
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			if (pointerToCurrentUtf8Byte>=pointerToLastUtf8Byte)
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				{
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				--pointerToCurrentUnicodeCharacter;
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				--pointerToCurrentUtf8Byte;
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				inputIsTruncated=ETrue;
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				break;
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				}
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			TUint currentUnicodeCharacter=((currentUtf8Byte&0x1f)<<6);
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			++pointerToCurrentUtf8Byte;
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			currentUtf8Byte=*pointerToCurrentUtf8Byte;
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   111
			if ((currentUtf8Byte&0xc0)==0x80)
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   112
				{
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   113
				currentUnicodeCharacter|=(currentUtf8Byte&0x3f);
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   114
				*pointerToCurrentUnicodeCharacter=STATIC_CAST(TUint16, currentUnicodeCharacter);
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   115
				}
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   116
			else
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   117
				{
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   118
				*pointerToCurrentUnicodeCharacter=replacementcharacter;
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   119
				}
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   120
			}
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   121
		else if ((currentUtf8Byte&0xf0)==0xe0)
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   122
			{
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   123
			//__ASSERT_DEBUG(pointerToCurrentUtf8Byte<=pointerToLastUtf8Byte, Panic(EPanicBadUtf8Pointers5));
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   124
			if (pointerToLastUtf8Byte-pointerToCurrentUtf8Byte<2)
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   125
				{
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   126
				--pointerToCurrentUnicodeCharacter;
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   127
				--pointerToCurrentUtf8Byte;
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   128
				inputIsTruncated=ETrue;
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   129
				break;
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   130
				}
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   131
			TUint currentUnicodeCharacter=((currentUtf8Byte&0x0f)<<12);
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   132
			++pointerToCurrentUtf8Byte;
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   133
			currentUtf8Byte=*pointerToCurrentUtf8Byte;
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   134
			if ((currentUtf8Byte&0xc0)==0x80)
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   135
				{
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   136
				currentUnicodeCharacter|=((currentUtf8Byte&0x3f)<<6);
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   137
				++pointerToCurrentUtf8Byte;
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   138
				currentUtf8Byte=*pointerToCurrentUtf8Byte;
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   139
				if ((currentUtf8Byte&0xc0)==0x80)
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   140
					{
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   141
					currentUnicodeCharacter|=(currentUtf8Byte&0x3f);
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   142
					*pointerToCurrentUnicodeCharacter=STATIC_CAST(TUint16, currentUnicodeCharacter);
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   143
					}
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   144
				else
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   145
					{
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   146
					*pointerToCurrentUnicodeCharacter=STATIC_CAST(TUint16, currentUnicodeCharacter);
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   147
					}
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   148
				}
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   149
			else
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   150
				{
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   151
				*pointerToCurrentUnicodeCharacter=replacementcharacter;
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   152
				}
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   153
			
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   154
			}
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   155
		else if ((currentUtf8Byte&0xf8)==0xf0)
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   156
			{
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   157
			//__ASSERT_DEBUG(pointerToCurrentUnicodeCharacter<=pointerToLastUnicodeCharacter, Panic(EPanicBadUnicodePointers9));
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   158
			if (pointerToCurrentUnicodeCharacter>=pointerToLastUnicodeCharacter)
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   159
				{
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   160
				--pointerToCurrentUnicodeCharacter;
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   161
				--pointerToCurrentUtf8Byte;
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   162
				break;
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   163
				}
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   164
			//__ASSERT_DEBUG(pointerToCurrentUtf8Byte<=pointerToLastUtf8Byte, Panic(EPanicBadUtf8Pointers6));
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   165
			if (pointerToLastUtf8Byte-pointerToCurrentUtf8Byte<3)
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   166
				{
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   167
				--pointerToCurrentUnicodeCharacter;
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   168
				--pointerToCurrentUtf8Byte;
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   169
				inputIsTruncated=ETrue;
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   170
				break;
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   171
				}
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   172
			TUint currentUnicodeCharacter=((currentUtf8Byte&0x07)<<8);
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   173
			++pointerToCurrentUtf8Byte;
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   174
			currentUtf8Byte=*pointerToCurrentUtf8Byte;
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   175
			if ((currentUtf8Byte&0xc0)==0x80)
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   176
				{
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   177
				currentUnicodeCharacter|=((currentUtf8Byte&0x3f)<<2);
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   178
				if (currentUnicodeCharacter>=0x0040)
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   179
					{
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   180
					currentUnicodeCharacter-=0x0040;
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   181
					if (currentUnicodeCharacter<0x0400)
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   182
						{
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   183
						++pointerToCurrentUtf8Byte;
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   184
						currentUtf8Byte=*pointerToCurrentUtf8Byte;
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   185
						if ((currentUtf8Byte&0xc0)==0x80)
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   186
							{
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   187
							currentUnicodeCharacter|=((currentUtf8Byte&0x30)>>4);
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   188
							*pointerToCurrentUnicodeCharacter=STATIC_CAST(TUint16, 0xd800|currentUnicodeCharacter);
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   189
							currentUnicodeCharacter=((currentUtf8Byte&0x0f)<<6);
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   190
							++pointerToCurrentUtf8Byte;
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   191
							currentUtf8Byte=*pointerToCurrentUtf8Byte;
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   192
							if ((currentUtf8Byte&0xc0)==0x80)
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   193
								{
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   194
								currentUnicodeCharacter|=(currentUtf8Byte&0x3f);
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   195
								++pointerToCurrentUnicodeCharacter;
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   196
								*pointerToCurrentUnicodeCharacter=STATIC_CAST(TUint16, 0xdc00|currentUnicodeCharacter);
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   197
								}
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   198
							}
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   199
						}
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   200
					}
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   201
				}
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   202
			}
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   203
		else
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   204
			{
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   205
			*pointerToCurrentUnicodeCharacter=replacementcharacter;
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   206
			}
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   207
		//__ASSERT_DEBUG(pointerToCurrentUtf8Byte<=pointerToLastUtf8Byte, Panic(EPanicBadUtf8Pointers7));
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   208
		//__ASSERT_DEBUG(pointerToCurrentUnicodeCharacter<=pointerToLastUnicodeCharacter, Panic(EPanicBadUnicodePointers10));
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   209
		if ((pointerToCurrentUtf8Byte>=pointerToLastUtf8Byte) || (pointerToCurrentUnicodeCharacter>=pointerToLastUnicodeCharacter))
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   210
			{
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   211
			break;
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   212
			}
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   213
		++pointerToCurrentUnicodeCharacter;
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   214
		++pointerToCurrentUtf8Byte;
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   215
		}
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   216
	if ((pointerToCurrentUtf8Byte<aUtf8.Ptr()) && inputIsTruncated)
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   217
		{
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   218
		return KErrArgument;
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   219
		}
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   220
	aUnicode.SetLength((pointerToCurrentUnicodeCharacter-aUnicode.Ptr())+1);
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   221
	return pointerToLastUtf8Byte-pointerToCurrentUtf8Byte;
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   222
	}