/*+
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* Copyright (c) 2002 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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*     Logging class+
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*     +
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*+
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*/+
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+
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+
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+
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#ifndef MAILLOG_H+
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#define MAILLOG_H+
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+
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/////////////////////////////////////////////////////////////////////////////+
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// #Defines that control printing of additional information to debug stream.+
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/////////////////////////////////////////////////////////////////////////////+
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+
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// INCLUDES+
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+
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#include "MailLogDef.h"+
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#include <e32std.h>+
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+
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// DEFINES+
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+
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#ifdef MAIL_ENABLE_LOGGING+
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#define LOGHANDLESIZE(v) MailLog::LogHandleSize(v);+
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#define LOGHEAP() MailLog::LogHeap();+
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#define LOG(s) MailLog::Log(_L(s))						// CSI: 78 # Have to use a _L macro+
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#define LOG1(s, v) MailLog::Log( _L(s), v )				// CSI: 78 # Have to use a _L macro+
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#define LOG2(s, v1, v2) MailLog::Log( _L(s), v1, v2 )	// CSI: 78 # Have to use a _L macro+
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#define LOGPARAM_ONLY( x ) x+
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#else+
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#define LOGHANDLESIZE(v)+
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#define LOGHEAP()+
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#define LOG(s)+
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#define LOG1(s, v)+
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#define LOG2(s, v1, v2)+
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#define LOGPARAM_ONLY( x )+
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#endif // MAIL_ENABLE_LOGGING+
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+
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#ifdef MAIL_ENABLE_UNIT_TEST+
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#define UNIT_TEST(ClassName) friend class ClassName;+
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#else +
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#define UNIT_TEST(ClassName)+
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#endif+
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+
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/**+
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 * Asserts and checks that statement doesn't allocate any memory. If+
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 * allocation happens evaluates failed.+
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 * 2147483647 KMaxTInt+
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 */+
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#ifdef MAIL_ENABLE_ALLOC_TEST +
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#define MAIL_ALLOC_TEST(statement) \+
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    { TInt err(KErrNoMemory); TInt i(1); \+
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    while( err != KErrNone && i <= KMaxTInt ) \+
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        {__UHEAP_FAILNEXT(i); \+
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        LOG2("MAIL_ALLOC_TEST_FAILNEXT: %d err:%d", i, err); \+
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        TRAP(err, statement); \+
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        if(err==KLeaveExit) \+
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            User::Leave(err); \+
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        __UHEAP_RESET; \+
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        i += 1; \+
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        } \+
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    }+
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#else+
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+
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/**+
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 * Release version of macro. Just executes statement.+
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 */+
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#define MAIL_ALLOC_TEST(statement) statement+
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+
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#endif // MAIL_ENABLE_ALLOC_TEST+
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+
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+
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// DATA TYPES+
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+
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+
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// CLASS DECLARATION+
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+
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/**+
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* Class offers logging functionality.+
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*/+
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#ifdef MAIL_ENABLE_LOGGING+
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class RFile;+
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class MailLog+
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    {+
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+
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    public:+
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    	static void LogHandleSize( RFile aFile );+
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        /**+
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        * Log the heap.+
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        */+
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        static void LogHeap();+
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        +
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        /**+
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        * Log the message.+
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		* @param aText text to be written to log.+
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        */+
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        static void Log( TRefByValue<const TDesC> aText, ... );+
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        +
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+
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    private: // constructor+
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        +
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		/// Prohibited default constructor+
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		MailLog();+
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+
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		/// Prohibited copy constructor+
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		MailLog( const MailLog& );+
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    +
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		/// Prohibited assignment operator+
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		MailLog& operator=( const MailLog& );+
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    };+
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+
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#endif // MAIL_ENABLE_LOGGING+
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+
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#endif // MAILLOG_H+
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+
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//  End of File  +
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