author | Petteri Saari <petteri.saari@digia.com> |
Thu, 02 Dec 2010 15:23:48 +0200 | |
branch | MSRP_FrameWork |
changeset 60 | 7634585a4347 |
parent 0 | 307788aac0a8 |
permissions | -rw-r--r-- |
0
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// Copyright (c) 2004-2009 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 "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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// Name : CSIPPreParser.cpp |
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// Part of : SIP Codec |
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// Version : SIP/4.0 |
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// |
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#include "CSIPPreParser.h" |
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#include "CSIPHeaderNameValue.h" |
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#include "sipcodecerr.h" |
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_LIT8 (KCRLFCRLF, "\r\n\r\n"); |
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_LIT8 (KCRCRLF, "\r\r\n"); |
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_LIT8 (KLFCRLF, "\n\r\n"); |
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// ----------------------------------------------------------------------------- |
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// CSIPPreParser::NewL |
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// ----------------------------------------------------------------------------- |
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// |
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CSIPPreParser* CSIPPreParser::NewL (HBufC8* aSipMessageBuf) |
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{ |
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CSIPPreParser* self= CSIPPreParser::NewLC (aSipMessageBuf); |
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CleanupStack::Pop(self); |
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return self; |
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} |
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// ----------------------------------------------------------------------------- |
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// CSIPPreParser::NewLC |
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// ----------------------------------------------------------------------------- |
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// |
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CSIPPreParser* CSIPPreParser::NewLC (HBufC8* aSipMessageBuf) |
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{ |
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__ASSERT_ALWAYS (aSipMessageBuf!=0, User::Leave(KErrSipCodecPreParser)); |
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__ASSERT_ALWAYS (aSipMessageBuf->Length()>0, User::Leave(KErrSipCodecPreParser)); |
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CSIPPreParser* self= new(ELeave)CSIPPreParser (*aSipMessageBuf); |
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CleanupStack::PushL(self); |
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self->ConstructL(aSipMessageBuf); |
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return self; |
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} |
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// ----------------------------------------------------------------------------- |
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// CSIPPreParser::CSIPPreParser |
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// ----------------------------------------------------------------------------- |
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// |
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CSIPPreParser::CSIPPreParser (const TDesC8& aSipMessageDes) |
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: iLexBuf(aSipMessageDes) |
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{ |
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} |
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// ----------------------------------------------------------------------------- |
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// CSIPPreParser::ConstructL |
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// ----------------------------------------------------------------------------- |
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// |
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void CSIPPreParser::ConstructL (HBufC8* aSipMessageBuf) |
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{ |
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CreateHeaderBufL (*aSipMessageBuf); |
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ParseL (); |
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// aSipMessageBuf ownership taken only after the pre-parsing has succeeded. |
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iSipMessageBuf = aSipMessageBuf; |
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} |
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// ----------------------------------------------------------------------------- |
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// CSIPPreParser::~CSIPPreParser |
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// ----------------------------------------------------------------------------- |
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// |
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CSIPPreParser::~CSIPPreParser () |
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{ |
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iHeaderStartArray.Close(); |
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delete iHeaderBuf; |
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delete iSipMessageBuf; |
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} |
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// ----------------------------------------------------------------------------- |
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// CSIPPreParser::ParseL |
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// ----------------------------------------------------------------------------- |
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// |
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void CSIPPreParser::ParseL () |
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{ |
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TChar chr = GetCharL(); |
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while (chr == ' ' || chr == '\t' || chr == '\r' || chr == '\n') |
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{ |
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chr = GetCharL(); |
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} |
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TBool headerPartEnds = EFalse; |
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while (!headerPartEnds) |
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{ |
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switch (chr) |
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{ |
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case '\n': headerPartEnds = HandleLfL(); break; |
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case '\r': headerPartEnds = HandleCrL(); break; |
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default: iHeaderBuf->Des().Append(chr); break; |
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} |
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if (!headerPartEnds) |
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{ |
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chr = GetChar(); |
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} |
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} |
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} |
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115 |
|
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// ----------------------------------------------------------------------------- |
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// CSIPPreParser::FirstLineL |
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// ----------------------------------------------------------------------------- |
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// |
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TPtrC8 CSIPPreParser::FirstLineL () |
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{ |
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// The first line of any SIP message is a request line or a status line. |
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TPtrC8 firstLine(GetLineL(0)); |
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return firstLine; |
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} |
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126 |
|
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// ----------------------------------------------------------------------------- |
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// CSIPPreParser::ContentL |
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// ----------------------------------------------------------------------------- |
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// |
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HBufC8* CSIPPreParser::ContentL () |
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{ |
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// The ownership of the content is given to the caller. |
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// The function is not re-entrant. Content can be only asked once. |
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// The purpose of this is to avoid unnecessary copying. |
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__ASSERT_ALWAYS (iSipMessageBuf != 0, User::Leave (KErrSipCodecPreParser)); |
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137 |
|
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// Delete the header part from the original SIP message. "Delete" does not |
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// free any memory. It just changes the starting position of the descriptor |
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// in the original buffer. |
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TInt originalLength = iSipMessageBuf->Length(); |
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iSipMessageBuf->Des().Delete (0, iOriginalHeaderPartLength); |
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TInt contentLength = originalLength - iOriginalHeaderPartLength; |
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144 |
|
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// With relatively big content parts try to avoid unnecessary copying. |
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HBufC8* content = NULL; |
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if (contentLength < iOriginalHeaderPartLength) |
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148 |
{ |
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// Relatively small content part. Make a copy. See HBufC8::ReAllocL. |
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content = iSipMessageBuf->ReAllocL (contentLength); |
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} |
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else |
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153 |
{ |
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// Relatively big content part. Do not copy into smaller buffer. |
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content = iSipMessageBuf; |
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} |
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iSipMessageBuf = 0; |
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return content; |
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} |
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160 |
|
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// ----------------------------------------------------------------------------- |
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// CSIPPreParser::HeaderCount |
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// ----------------------------------------------------------------------------- |
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164 |
// |
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TUint CSIPPreParser::HeaderCount () |
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166 |
{ |
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return iHeaderStartArray.Count(); |
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168 |
} |
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169 |
|
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// ----------------------------------------------------------------------------- |
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// CSIPPreParser::ParseNameValueL |
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// ----------------------------------------------------------------------------- |
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// |
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CSIPHeaderNameValue* CSIPPreParser::ParseNameValueL (TInt aIndex) |
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175 |
{ |
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__ASSERT_ALWAYS (aIndex < iHeaderStartArray.Count(), |
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User::Leave(KErrSipCodecPreParser)); |
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178 |
|
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TUint lineStartPos = iHeaderStartArray[aIndex]; |
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TPtrC8 line (GetLineL(lineStartPos)); |
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TInt colonPos = line.Locate (':'); // find the first colon |
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182 |
|
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__ASSERT_ALWAYS (colonPos > 0, User::Leave(KErrSipCodecPreParser)); |
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184 |
|
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TPtrC8 name(line.Left(colonPos)); |
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TPtrC8 value(line.Mid(colonPos+1)); |
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187 |
|
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return CSIPHeaderNameValue::NewL(name, value); |
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189 |
} |
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190 |
|
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191 |
// ----------------------------------------------------------------------------- |
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192 |
// CSIPPreParser::GetLineL |
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// ----------------------------------------------------------------------------- |
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// |
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TPtrC8 CSIPPreParser::GetLineL (TInt aLineStartPosition) |
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196 |
{ |
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__ASSERT_ALWAYS (aLineStartPosition < iHeaderBuf->Length(), |
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User::Leave(KErrSipCodecPreParser)); |
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199 |
|
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TPtrC8 lineStartBuf (iHeaderBuf->Des().Mid (aLineStartPosition)); |
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201 |
|
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// All the line ends (CR,LF or CRLF) have been replaced by LF. |
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TInt lineEndPosition = lineStartBuf.Locate('\n'); |
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204 |
|
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__ASSERT_ALWAYS (lineEndPosition > 0, User::Leave (KErrSipCodecPreParser)); |
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206 |
|
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return lineStartBuf.Left(lineEndPosition); |
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208 |
} |
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209 |
|
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// ----------------------------------------------------------------------------- |
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// CSIPPreParser::CreateHeaderBufL |
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// ----------------------------------------------------------------------------- |
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// |
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void CSIPPreParser::CreateHeaderBufL (const TDesC8& aSipMessageDes) |
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{ |
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TLex8 lex(aSipMessageDes); |
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lex.SkipSpace(); |
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TInt headerPartEndPosition = 0; |
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FindHeaderPartEndPositionL (lex.Remainder(),headerPartEndPosition); |
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if (headerPartEndPosition <= 0) |
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221 |
{ |
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User::Leave (KErrSipCodecPreParser); |
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} |
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iHeaderBuf = HBufC8::NewL(headerPartEndPosition+1); |
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} |
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226 |
|
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// ----------------------------------------------------------------------------- |
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// CSIPPreParser::FindHeaderPartEndPositionL |
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// ----------------------------------------------------------------------------- |
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230 |
// |
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void CSIPPreParser::FindHeaderPartEndPositionL ( |
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const TDesC8& aSipMessageDes, |
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TInt& aPosition) |
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{ |
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// The header part may end only with CRLFCRLF, CRCRLF or LFCRLF |
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RArray<TInt> positions; |
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CleanupClosePushL(positions); |
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238 |
|
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// CRLFCRLF |
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TInt CrLfCrLfPos = aSipMessageDes.Find(KCRLFCRLF); |
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if (CrLfCrLfPos >= 0) |
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242 |
{ |
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User::LeaveIfError(positions.Append(CrLfCrLfPos)); |
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} |
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245 |
|
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// CRCRLF |
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TInt CrCrLfPos = aSipMessageDes.Find(KCRCRLF); |
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if (CrCrLfPos >= 0) |
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249 |
{ |
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User::LeaveIfError(positions.InsertInOrder(CrCrLfPos)); |
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251 |
} |
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252 |
|
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// LFCRLF |
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TInt LfCrLfPos = aSipMessageDes.Find(KLFCRLF); |
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if (LfCrLfPos >= 0) |
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256 |
{ |
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User::LeaveIfError(positions.InsertInOrder(LfCrLfPos)); |
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258 |
} |
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259 |
|
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if (positions.Count() == 0) |
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261 |
{ |
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User::Leave(KErrNotFound); |
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263 |
} |
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264 |
|
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aPosition = positions[0]; |
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CleanupStack::PopAndDestroy(); // positions |
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267 |
} |
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268 |
|
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269 |
// ----------------------------------------------------------------------------- |
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// CSIPPreParser::HandleLfL |
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// ----------------------------------------------------------------------------- |
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272 |
// |
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TBool CSIPPreParser::HandleLfL () |
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274 |
{ |
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TChar chr = GetCharL (); |
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switch (chr) |
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277 |
{ |
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case ' ' : // LFSP |
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case '\t': // LFHTAB |
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// The header continues on the next line. |
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SkipSpacesAndTabsL (); |
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iHeaderBuf->Des().Append(' '); // replace by one space |
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break; |
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284 |
|
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case '\r': // LFCR |
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chr = GetCharL (); |
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if (chr == '\n') // LFCRLF |
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288 |
{ |
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// Header part ends according to the old SIP specs. |
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// Replace LFCRLF with LF to simplify name-value parsing. |
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iHeaderBuf->Des().Append('\n'); |
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return ETrue; |
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293 |
} |
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else // LFCR"AnyText" not allowed. |
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295 |
{ |
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User::Leave (KErrSipCodecPreParser); |
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297 |
} |
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|
298 |
|
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299 |
case '\n': // LFLF not allowed. |
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300 |
User::Leave (KErrSipCodecPreParser); |
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|
301 |
|
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302 |
default: // LF"AnyText" |
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303 |
MoveToNextLineL (); |
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304 |
break; |
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|
305 |
} |
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306 |
return EFalse; |
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307 |
} |
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|
308 |
|
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309 |
// ----------------------------------------------------------------------------- |
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310 |
// CSIPPreParser::HandleCrL |
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311 |
// ----------------------------------------------------------------------------- |
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312 |
// |
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313 |
TBool CSIPPreParser::HandleCrL () |
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Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
314 |
{ |
307788aac0a8
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
315 |
TChar chr = GetCharL (); |
307788aac0a8
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
316 |
switch (chr) |
307788aac0a8
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
317 |
{ |
307788aac0a8
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
318 |
case ' ' : // CRSP |
307788aac0a8
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
319 |
case '\t': // CRHTAB |
307788aac0a8
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
320 |
// The header continues on the next line. |
307788aac0a8
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
321 |
SkipSpacesAndTabsL (); |
307788aac0a8
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
322 |
iHeaderBuf->Des().Append(' '); // replace by one space |
307788aac0a8
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
323 |
break; |
307788aac0a8
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
324 |
|
307788aac0a8
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
325 |
case '\r': // CRCR |
307788aac0a8
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
326 |
chr = GetCharL (); |
307788aac0a8
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
327 |
if (chr == '\n') // CRCRLF |
307788aac0a8
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
328 |
{ |
307788aac0a8
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
329 |
// Header part ends according to the old SIP specs. |
307788aac0a8
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
330 |
// Replace CRCRLF with LF to simplify name-value parsing. |
307788aac0a8
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
331 |
iHeaderBuf->Des().Append('\n'); |
307788aac0a8
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
332 |
return ETrue; |
307788aac0a8
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
333 |
} |
307788aac0a8
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
334 |
else // CRCR"AnyText" not allowed. |
307788aac0a8
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
335 |
{ |
307788aac0a8
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
336 |
User::Leave (KErrSipCodecPreParser); |
307788aac0a8
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
337 |
} |
307788aac0a8
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
338 |
|
307788aac0a8
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
339 |
case '\n': // CRLF |
307788aac0a8
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
340 |
chr = GetCharL (); |
307788aac0a8
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
341 |
switch (chr) |
307788aac0a8
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
342 |
{ |
307788aac0a8
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
343 |
case '\n': // CRLFLF not allowed. |
307788aac0a8
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
344 |
User::Leave (KErrSipCodecPreParser); |
307788aac0a8
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
345 |
|
307788aac0a8
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
346 |
case ' ' : case '\t': // CRLFSP or CRLFHTAB |
307788aac0a8
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
347 |
// The header continues on the next line. |
307788aac0a8
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
348 |
SkipSpacesAndTabsL (); |
307788aac0a8
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
349 |
iHeaderBuf->Des().Append(' '); // replace by one space |
307788aac0a8
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
350 |
break; |
307788aac0a8
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
351 |
|
307788aac0a8
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
352 |
case '\r': // CRLFCR |
307788aac0a8
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
353 |
chr = GetCharL (); |
307788aac0a8
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
354 |
if (chr == '\n') // CRLFCRLF. Header part ends. |
307788aac0a8
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
355 |
{ |
307788aac0a8
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
356 |
// Replace with LF to simplify name-value parsing. |
307788aac0a8
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
357 |
iHeaderBuf->Des().Append('\n'); |
307788aac0a8
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
358 |
return ETrue; |
307788aac0a8
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
359 |
} |
307788aac0a8
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
360 |
else // CRLFCR"AnyText" not allowed. |
307788aac0a8
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
361 |
{ |
307788aac0a8
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
362 |
User::Leave (KErrSipCodecPreParser); |
307788aac0a8
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
363 |
} |
307788aac0a8
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
364 |
|
307788aac0a8
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
365 |
default: // CRLF"AnyText" |
307788aac0a8
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
366 |
MoveToNextLineL (); |
307788aac0a8
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
367 |
break; |
307788aac0a8
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
368 |
} |
307788aac0a8
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
369 |
break; |
307788aac0a8
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
370 |
|
307788aac0a8
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
371 |
default: // CR"AnyText" |
307788aac0a8
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
372 |
MoveToNextLineL (); |
307788aac0a8
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
373 |
break; |
307788aac0a8
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
374 |
} |
307788aac0a8
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
375 |
return EFalse; |
307788aac0a8
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
376 |
} |
307788aac0a8
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
377 |
|
307788aac0a8
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
378 |
// ----------------------------------------------------------------------------- |
307788aac0a8
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
379 |
// CSIPPreParser::SkipSpacesAndTabsL |
307788aac0a8
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
380 |
// ----------------------------------------------------------------------------- |
307788aac0a8
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
381 |
// |
307788aac0a8
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
382 |
void CSIPPreParser::SkipSpacesAndTabsL () |
307788aac0a8
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
383 |
{ |
307788aac0a8
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
384 |
TChar chr = GetCharL (); |
307788aac0a8
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
385 |
while (chr == ' ' || chr == '\t') |
307788aac0a8
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
386 |
{ |
307788aac0a8
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
387 |
chr = GetCharL(); |
307788aac0a8
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
388 |
} |
307788aac0a8
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
389 |
UnGetChar(); // Put back the last one that was not a space or a tab |
307788aac0a8
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
390 |
} |
307788aac0a8
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
391 |
|
307788aac0a8
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
392 |
// ----------------------------------------------------------------------------- |
307788aac0a8
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
393 |
// CSIPPreParser::MoveToNextLineL |
307788aac0a8
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
394 |
// ----------------------------------------------------------------------------- |
307788aac0a8
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
395 |
// |
307788aac0a8
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
396 |
void CSIPPreParser::MoveToNextLineL () |
307788aac0a8
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
397 |
{ |
307788aac0a8
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
398 |
UnGetChar(); |
307788aac0a8
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
399 |
// Replace the line end (CR, LF or CRLF) with LF |
307788aac0a8
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
400 |
iHeaderBuf->Des().Append('\n'); |
307788aac0a8
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
401 |
TUint nextLineStartPosition = iHeaderBuf->Length(); |
307788aac0a8
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
402 |
User::LeaveIfError (iHeaderStartArray.Append(nextLineStartPosition)); |
307788aac0a8
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
403 |
} |
307788aac0a8
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
404 |
|
307788aac0a8
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
405 |
// ----------------------------------------------------------------------------- |
307788aac0a8
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
406 |
// CSIPPreParser::GetCharL |
307788aac0a8
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
407 |
// ----------------------------------------------------------------------------- |
307788aac0a8
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
408 |
// |
307788aac0a8
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
409 |
inline TChar CSIPPreParser::GetCharL() |
307788aac0a8
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
410 |
{ |
307788aac0a8
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
411 |
TChar chr = GetChar(); |
307788aac0a8
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
412 |
if (chr == 0) |
307788aac0a8
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
413 |
{ |
307788aac0a8
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
414 |
User::Leave (KErrSipCodecPreParser); |
307788aac0a8
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
415 |
} |
307788aac0a8
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
416 |
return chr; |
307788aac0a8
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
417 |
} |
307788aac0a8
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
418 |
|
307788aac0a8
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
419 |
// ----------------------------------------------------------------------------- |
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Revision: 201003
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// CSIPPreParser::GetChar |
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// ----------------------------------------------------------------------------- |
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// |
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inline TChar CSIPPreParser::GetChar() |
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{ |
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TChar chr = iLexBuf.Get(); |
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if (chr != 0) iOriginalHeaderPartLength++; |
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return chr; |
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} |
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|
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// ----------------------------------------------------------------------------- |
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// CSIPPreParser::UnGetChar |
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// ----------------------------------------------------------------------------- |
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// |
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inline void CSIPPreParser::UnGetChar() |
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{ |
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iLexBuf.UnGet(); |
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iOriginalHeaderPartLength--; |
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} |