--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/filehandling/fileconverterfw/SRC/QPCONV.CPP	Tue Feb 02 10:12:00 2010 +0200
@@ -0,0 +1,272 @@
+// 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 "Eclipse Public License v1.0"
+// which accompanies this distribution, and is available
+// at the URL "http://www.eclipse.org/legal/epl-v10.html".
+//
+// Initial Contributors:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description:
+// See 6.7 in http://www.ietf.org/rfc/rfc2045.txt
+// 
+//
+
+#include <e32svr.h>
+#include <conarc.h>
+#include <s32file.h>
+#include <e32std.h>
+#include <e32uid.h>
+#include <u32hal.h>
+
+#include "QPCONV.H"
+
+// The ASCII character '#' is not encoded into quoted printable format. If it is present along with
+// the phone number, it gets converted to its corresponding character '=23'. This makes a bit difficult
+// for the user to identify the exact phone number from a VCard file. Hence the encoding is not performed.
+
+#define KLineFeed 10
+#define KCarriageReturn 13
+#define KEquals '='
+#define KSpace ' '
+#define KTab 9
+#define KExclamationPoint '!'
+#define KTilde 0x7E
+#define KDoubleQuotes  0x22
+#define KDollarSign    0x24
+#define KAtSign    0x40
+#define KSquareBracketOpen    0x5B
+#define KBackSlash    0x5C
+#define KSquareBracketClose    0x5D
+#define KCircumflex    0x5E
+#define KSingleQuote    0x60
+#define KCurlyBracketOpen    0x7B
+#define KOrOperatorSign    0x7C
+#define KCurlyBracketClose    0x7D
+#define KQuotedPrintableNewLine _L8("=\r\n")
+#define KQuotedPrintableCarriageReturn _L8("=0D")
+#define KQuotedPrintableLineFeed _L8("=0A")
+
+// Patchable const data value defined in conarc.cpp
+IMPORT_C extern const TInt KEnableAllSplCharForQpCnv;
+
+
+//
+// class CQpToTxtCnv
+// 
+
+void CQpToTxtCnv::ConvertObjectAL(RReadStream& aReadStream, RWriteStream& aWriteStream,MConverterUiObserver* /*aObserver*/)
+	{
+	iReadStream = &aReadStream;
+	iWriteStream = &aWriteStream;
+
+	iBufferPos = 0;
+	iBuffer.SetMax();
+	}
+
+TBool CQpToTxtCnv::DoConvertL()
+	{
+	// Check if we need to move out the oldest charcter
+	if (iBufferPos == 3)
+		{
+		iBuffer[0] = iBuffer[1];
+		iBuffer[1] = iBuffer[2];
+		iBufferPos = 2;
+		}
+
+	TBuf8<1> character;
+	TRAPD(err, iReadStream->ReadL(character));
+	if (err == KErrEof)
+		{
+		// Write what we have in the buffer, and exit
+		iWriteStream->WriteL(iBuffer, iBufferPos);
+		return EFalse;
+		}
+	else if (err == KErrNone)
+		{
+		iBuffer[iBufferPos] = character[0];
+		iBufferPos++;
+		if (iBufferPos == 3)
+			{
+			// Check that we have three characters to compare:
+			if (iBuffer[0] == KEquals)
+				{
+				// Check for special QP codes
+				if (!(iBuffer[1] == KCarriageReturn && iBuffer[2] == KLineFeed))
+					{
+					// act on the code
+					TLex8 lex(iBuffer);
+					TUint code;
+					(void)lex.Get(); // skip the equals
+					lex.Val(code,EHex);
+					iWriteStream->WriteUint8L(STATIC_CAST(TUint8,code));
+					}
+				iBufferPos=0;
+				}
+			else if (iBuffer[1] == KCarriageReturn && iBuffer[2] == KLineFeed)
+				{
+				// throw away these characters
+				iBufferPos=0;
+				}
+			else
+				{
+				// Write out the last character in the stream
+				iWriteStream->WriteUint8L(iBuffer[0]);
+				}
+			}
+		}
+
+	else
+		{
+		// Some other error, let's clear up and go home
+		return EFalse;
+		}
+	return ETrue;
+	}
+
+TUid CQpToTxtCnv::Uid()
+	{
+	return KUidQuotedPrintableToText;
+	}
+
+TInt CQpToTxtCnv::Capabilities()
+	{
+	return EConvertsObjects;
+	}
+
+CQpToTxtCnv::CQpToTxtCnv()
+	{}
+
+//
+// class CTxtToQpCnv
+// 
+
+void CTxtToQpCnv::ConvertObjectAL(RReadStream& aReadStream, RWriteStream& aWriteStream,MConverterUiObserver* /*aObserver*/)
+	{
+	iReadStream = &aReadStream;
+	iWriteStream = &aWriteStream;
+	
+	iLineLen = 0;
+	}
+
+TBool CTxtToQpCnv::DoConvertL()
+	{
+	TBuf8<1> character;
+	TRAPD(err, iReadStream->ReadL(character));
+	if (err == KErrNone)
+		{
+		switch (character[0])
+			{
+		case KCarriageReturn:
+			iWriteStream->WriteL(KQuotedPrintableCarriageReturn);
+			iLineLen += 3;
+			break;
+		case KLineFeed:
+			iWriteStream->WriteL(KQuotedPrintableLineFeed);
+			iLineLen += 3;
+			break;
+		case KEquals:
+		case KTab:
+		case KSpace:
+			{
+			FormatAndWriteBufferL(character);
+			}
+			break;
+		case KExclamationPoint:
+		case KTilde:
+		case KDoubleQuotes:
+		case KDollarSign:
+		case KAtSign:
+		case KSquareBracketOpen:
+		case KBackSlash:
+		case KSquareBracketClose:
+		case KCircumflex:
+		case KSingleQuote:
+		case KCurlyBracketOpen:
+		case KOrOperatorSign:
+		case KCurlyBracketClose:
+			{
+			if (iEnableAllSplCharForQpCnv)
+				{
+				FormatAndWriteBufferL(character);
+				}
+			else
+				{
+				WriteBufferL(character);
+				}
+			}
+			break;
+		default:
+			if( character[0] > KQuotedPrintableConvertAbove )
+				{
+				FormatAndWriteBufferL(character);
+				}
+			else
+				{
+				WriteBufferL(character);
+				}
+			break;
+			}
+				
+		// Check to see if the line is getting too long
+		if (iLineLen > 70)
+			{
+			iWriteStream->WriteL(KQuotedPrintableNewLine);
+			iLineLen = 0;
+			}
+
+		return ETrue;
+		}
+	else
+		{
+		// Exit on end of stream
+		return EFalse;
+		}
+
+	}
+
+void CTxtToQpCnv::FormatAndWriteBufferL(TDes8& aChar)
+	{
+	TBuf8<3> buf;
+	buf.Format(_L8("=%02X"),STATIC_CAST(TUint,aChar[0])); // RFC 2045 states "Uppercase letters must be used; lowercase letters are not allowed", hence the capital 'X' in this format descriptor to the statement
+	iWriteStream->WriteL(buf);
+	iLineLen+=3;
+	}
+
+void CTxtToQpCnv::WriteBufferL(TDes8& aChar)
+	{
+	iWriteStream->WriteL(aChar);
+	iLineLen++;
+	}
+
+TUid CTxtToQpCnv::Uid()
+	{
+	return KUidTextToQuotedPrintable;
+	}
+
+TInt CTxtToQpCnv::Capabilities()
+	{
+	return EConvertsObjects;
+	}
+
+CTxtToQpCnv::CTxtToQpCnv():iEnableAllSplCharForQpCnv(KEnableAllSplCharForQpCnv)
+	{
+#ifdef __WINS__
+	// KEnableAllSplCharForQpCnv is a Rom patchable constant, so patch for emulator builds can be done by
+	// adding "patchdata_conarc_dll_KEnableAllSplCharForQpCnv X" to epoc.ini file.
+	// When X is set to non zero, the conversion is performed for all the special characters.
+	// When X is set to zero, no conversion is performed in case of the special characters.
+	// Requires licensees to set the patch data value in epoc.ini file.
+	
+	TInt valueOfKEnableAllSplCharForQpCnv = 0;
+	if (UserSvr::HalFunction(EHalGroupEmulator,EEmulatorHalIntProperty,(TAny*)"patchdata_conarc_dll_KEnableAllSplCharForQpCnv",&valueOfKEnableAllSplCharForQpCnv) == KErrNone)
+		{
+		iEnableAllSplCharForQpCnv = valueOfKEnableAllSplCharForQpCnv;
+		}
+#endif
+	}
+
+