telephonyserverplugins/multimodetsy/hayes/SCHAT.CPP
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Thu, 02 Sep 2010 21:42:07 +0300
changeset 68 d0d9cc530d21
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child 66 07a122eea281
permissions -rw-r--r--
Revision: 201035 Kit: 201035
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// Copyright (c) 1997-2010 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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// Send/Expect Algorithms
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// 
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//
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#include "ATSTD.H"
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#include "SCHAT.H"
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#include "mSLOGGER.H"
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CCommChatString* CCommChatString::NewL(const TDesC8& aDes, TBool aIsPartialLine)
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	{
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	CCommChatString* cs = new (ELeave) CCommChatString;
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	CleanupStack::PushL(cs);
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	cs->CreateL(aDes, aIsPartialLine);
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	CleanupStack::Pop();
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	return cs;
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	}
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CCommChatString::CCommChatString()
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	{
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	}
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CCommChatString::~CCommChatString()
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	{
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	}
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void CCommChatString::CreateL(const TDesC8& aDes, TBool aIsPartialLine)
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	{
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	iIsPartialLine = aIsPartialLine;
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	iMatch.Set(aDes);
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	}
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//
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// CCommChatter
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//
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CCommChatter::CCommChatter(MCommChatNotify* aNotify, TInt aPriority)
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	: CTimer(aPriority), iNotify(aNotify)
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	{
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	CActiveScheduler::Add(this);
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	iList.SetOffset(_FOFF(CCommChatString,iLink));
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	}
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CCommChatter::~CCommChatter()
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	{
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	DeleteAllAndStop();
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	User::Free(iBuffer);
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	}
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void CCommChatter::CreateL(TInt aBufSize)
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	{
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	CTimer::ConstructL();
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	iBuffer = (TText8*)User::AllocL(aBufSize);
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	iBufferEnd = (iBuffer+aBufSize)-1;
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	ClearBuffer();
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	}
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void CCommChatter::ClearBuffer()
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//
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// Empty history
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//
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	{
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	iLastChar = iBuffer;
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	iLineStart = iBuffer;
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	iInDelimiter = ETrue;	// as though the last character was the end of a line
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	}
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void CCommChatter::ClearCurrentLine()
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//
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// Remove current line, which is always at the end of the buffer
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//
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	{
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	iLastChar = iLineStart;
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	iInDelimiter = ETrue;	// as though the last character was the end of a line
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	}
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TPtrC8 CCommChatter::Buffer() const
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	{
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	return TPtrC8(iBuffer, iLastChar-iBuffer);
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	}
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TPtrC8 CCommChatter::CurrentLine() const
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	{
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	TInt len=iLastChar-iLineStart;
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	if (len>0 && iInDelimiter)
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		len-=1;
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	return TPtrC8(iLineStart, len);
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	}
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void CCommChatter::AddCharL(TText8 aChar)
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//
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// Add a character to the history buffer
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// Scan all strings to find any matches that may
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// be completed.
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//
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	{
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	// Prevent reading of multiple delimiters into buffer
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	if (iInDelimiter && (aChar == '\r' || aChar == '\n'))
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		return;
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	*iLastChar++=aChar;
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	if (iLastChar>=iBufferEnd)
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		{
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		iLastChar = iBufferEnd; // Discarding characters at this point
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		}
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parents:
diff changeset
   117
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   118
	if (aChar=='\r' || aChar=='\n')
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   119
		{
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   120
		if (iInDelimiter)
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   121
			return;		// still in delimiting sequence
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   122
		iInDelimiter=ETrue;
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   123
		}
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   124
	else
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   125
		{
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   126
		if (iInDelimiter)
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   127
			{
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   128
			iInDelimiter=EFalse;
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   129
			iLineStart=iLastChar-1;
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   130
			}
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   131
		if (iPartLineMatchers==0)
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			return;		// wait for end of line before trying to match
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   133
		}
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parents:
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   134
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   135
	// Scan for matching expect string
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   136
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   137
	TPtrC8 line(CurrentLine());
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   138
	CCommChatString* cs;
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   139
	TDblQueIter<CCommChatString> iter(iList);
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   140
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   141
	if (iInDelimiter)
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parents:
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   142
		{
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   143
		// Simple match at end of line - test all strings
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parents:
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   144
		while (cs = iter++, cs!=NULL)
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parents:
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   145
			{
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   146
			if (line.Match(cs->iMatch)==0)
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parents:
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   147
				{
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   148
				LOGTEXT2(_L8("SChat:\tFound match against =>%S<"), &cs->iMatch);
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parents:
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   149
				iNotify->ChatStringMatchL(cs);
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parents:
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   150
				}
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parents:
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   151
			}
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   152
		}
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parents:
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   153
	else
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parents:
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   154
		{
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parents:
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   155
		// partial match - use only selected matchers
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parents:
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   156
		while (cs = iter++, cs!=NULL)
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parents:
diff changeset
   157
			{
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parents:
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   158
			if (cs->iIsPartialLine && line.Match(cs->iMatch)==0)
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parents:
diff changeset
   159
				{
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parents:
diff changeset
   160
				LOGTEXT2(_L8("SChat:\tFound match against partial line =>%S<"), &cs->iMatch);
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parents:
diff changeset
   161
				iNotify->ChatStringMatchL(cs);
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parents:
diff changeset
   162
				}
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parents:
diff changeset
   163
			}
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parents:
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   164
		}
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parents:
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   165
	}
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parents:
diff changeset
   166
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parents:
diff changeset
   167
void CCommChatter::RunL()
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parents:
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   168
	{
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parents:
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   169
	iNotify->ChatTimeout();
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parents:
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   170
	}
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parents:
diff changeset
   171
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parents:
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   172
CCommChatString* CCommChatter::AddStringL(const TDesC8& aString, TBool aPartLine)
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parents:
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   173
	{
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   174
	CCommChatString* chatString=CCommChatString::NewL(aString,aPartLine);
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parents:
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   175
	iList.AddLast(*chatString);
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parents:
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   176
	if (aPartLine)
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parents:
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   177
		iPartLineMatchers+=1;
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   178
	return chatString;
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parents:
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   179
	}
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parents:
diff changeset
   180
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parents:
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   181
void CCommChatter::RemoveString(CCommChatString* aString)
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parents:
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   182
	{
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parents:
diff changeset
   183
	_LIT(KCCommChatterPanic, "GSMTSY-CHAT");
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parents:
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   184
	aString->iLink.Deque();
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parents:
diff changeset
   185
	if (aString->iIsPartialLine)
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parents:
diff changeset
   186
		{
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parents:
diff changeset
   187
		iPartLineMatchers-=1;
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   188
		__ASSERT_ALWAYS(iPartLineMatchers>=0, User::Panic(KCCommChatterPanic,1));
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parents:
diff changeset
   189
		}
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parents:
diff changeset
   190
	}
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   191
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   192
void CCommChatter::DeleteAllAndStop()
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   193
	{
3553901f7fa8 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   194
	StopTimer();
3553901f7fa8 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   195
	CCommChatString* cs;
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   196
	while (!iList.IsEmpty())
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   197
		{
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parents:
diff changeset
   198
		cs = iList.First();
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   199
		RemoveString(cs);
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parents:
diff changeset
   200
		delete cs;
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parents:
diff changeset
   201
		}
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parents:
diff changeset
   202
	iPartLineMatchers=0;
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parents:
diff changeset
   203
	}
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   204
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   205
void CCommChatter::StartTimer(const TTimeIntervalMicroSeconds32 aTimeout)
3553901f7fa8 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   206
	{
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   207
	if (IsActive())
3553901f7fa8 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   208
		Cancel();
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   209
	After(aTimeout);
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parents:
diff changeset
   210
	}
3553901f7fa8 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   211
3553901f7fa8 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   212
void CCommChatter::StopTimer()
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   213
	{
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parents:
diff changeset
   214
	Cancel();
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   215
	}