--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/telephonyserverplugins/multimodetsy/test/Te_LoopBack/Te_LoopBackSCHAT.H	Tue Feb 02 01:41:59 2010 +0200
@@ -0,0 +1,115 @@
+// 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:
+// This file defines the classes necessary for buffer and expect string management in the 
+// regression test harness.
+// 
+//
+
+/**
+ @file
+ @internalComponent
+*/
+#if !defined(__CHAT_H__)
+#define __CHAT_H__
+
+#include <e32std.h>
+#include <e32base.h>
+
+const TInt KChatBufferSize = 400;
+
+struct TInputBufferMark {
+	TText8* iMarkChar;
+	TUint iMarkWrap;
+	};
+
+class CCommChatString;
+
+/**
+ * A mixin class used to notify the derived class that either a string match has been
+ * found or a time out has occurred.
+ */
+class MCommChatNotify
+	{
+public:
+	// Used to notify the derived class that a string has been matched.
+	virtual void ChatStringMatchL(CCommChatString* aCs)=0;
+	// Used to notify the derived class that the timer has expired.
+	virtual void ChatTimeout()=0;
+	};
+
+/**
+ * CCommChatter class is used to buffer and manage the information coming from the GSMTSY and
+ * to correlate it with the expected strings (see class CCommChatString).  This is derived from
+ * the CTimer class.  Every time a character is added to the iBuffer, the outstanding chat strings
+ * are checked to see if they have completed.
+ */
+class CCommChatter : public CTimer
+	{
+public:
+	CCommChatter(MCommChatNotify* aNotify, TInt aPriority);
+	virtual ~CCommChatter();
+	void CreateL(TInt aBufferSize);
+	TBool Match(const CCommChatString* aString) const;
+	TBool MatchF(const CCommChatString* aString) const;
+	void AddCharL(TText8 aChar);
+	CCommChatString* AddString(const TDesC8& aString);
+	void RemoveString(CCommChatString* aString);
+	void GetChatBufferMarker(TInputBufferMark& aBufferMarker);
+	TPtrC8 GetChatBufferLC(TInputBufferMark& aBufferMarker);
+	void StartTimer(const TTimeIntervalMicroSeconds32 aTimeout);
+	void StopTimer();
+	void DeleteAllAndStop();
+protected:
+	virtual void RunL();
+	void ClearHistory();
+protected:
+	MCommChatNotify* iNotify;		//< Pointer to Mixin class for notifications.
+	TDblQue<CCommChatString> iList;	//< Doubly linked list of all outstanding Chat strings
+	TText8* iBuffer;				//< Pointer to allocated buffer to contain cmds/data from GSMTSY
+	TText8* iBufferEnd;				//< Pointer to last character in iBuffer
+	TText8* iLastChar;				//< Last character added
+	TUint iMarkWrapCnt;				//< Count of number of times iBuffer has wrapped (used in buffer marking)
+	TInt iCount;					//< No of chars added to buffer
+	};
+
+/**
+ * This class is the object that manages expect strings for the Regression Test Harness.
+ * It is derived from CBase.
+ * A Chat string in the regression test harness is created by ERx type commands in the
+ * command script.  These chat strings are the expect strings and are used to match up
+ * the progress of the modem to the expected progress of the script.
+ */
+class CCommChatString : public CBase
+	{
+public:
+	static CCommChatString* NewL(const TDesC8& aDes, TBool aIsFolded);
+	CCommChatString();
+	virtual ~CCommChatString();
+	void CreateL(const TDesC8& aDes, TBool aIsFolded);
+	inline TText8 LastChar() const { return *iLastChar; }
+	inline TInt Length() const { return (iLastChar-iString)+1; }
+	inline const TText8* Ptr() const { return iString; }
+	inline const TText8* EndPtr() const { return iLastChar; }
+	inline TBool IsFolded() const { return iIsFolded; }
+	inline TPtrC8 Des() { return TPtrC8(Ptr(), Length()); }
+protected:
+	TBool iIsFolded;		//< Is this string folded or not
+	TText8* iString;		//< Pointer to memory which contains expected string (memory from heap).
+	TText8* iLastChar;		//< Pointer to last character in iString
+private:
+	friend class CCommChatter;
+	TDblQueLink iLink;		//< Links to previous and next chat strings in linked list.
+	};
+
+#endif