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mytrace.h

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00001 #ifndef __MYTRACE_INCLUDED__
00002 #define __MYTRACE_INCLUDED__
00003 
00004 // $Id$
00005 
00006 //**********************************************************************
00007 //                                                                     *
00008 //    Description:   Class providing simple trace facility that sends  *
00009 //                   passed text to a stream on construction and       *
00010 //                   destruction.                                      *
00011 //                                                                     *
00012 //    Author:        Chris White (whitecf@bcs.org.uk)                  *
00013 //                                                                     *
00014 //    Copyright (C) 2002  Monitor Computing Services Ltd.              *
00015 //                                                                     *
00016 //    This program is free software; you can redistribute it and/or    *
00017 //    modify it under the terms of the GNU General Public License      *
00018 //    as published by the Free Software Foundation; either version 2   *
00019 //    of the License, or any later version.                            *
00020 //                                                                     *
00021 //    This program is distributed in the hope that it will be useful,  *
00022 //    but WITHOUT ANY WARRANTY; without even the implied warranty of   *
00023 //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the    *
00024 //    GNU General Public License for more details.                     *
00025 //                                                                     *
00026 //    You should have received a copy of the GNU General Public        *
00027 //    License (http://www.gnu.org/copyleft/gpl.html) along with this   *
00028 //    program; if not, write to:                                       *
00029 //       The Free Software Foundation Inc.,                            *
00030 //       59 Temple Place - Suite 330,                                  *
00031 //       Boston, MA  02111-1307,                                       *
00032 //       USA.                                                          *
00033 //                                                                     *
00034 //**********************************************************************
00035 //                                                                     *
00036 //    Notes:                                                           *
00037 //                                                                     *
00038 //**********************************************************************
00039 
00040 
00041 #include <cstring.h>
00042 
00043 
00044 namespace Monitor {
00045 namespace Utility {
00046 
00050 class MyTrace
00051 {
00052 public:
00062     MyTrace(const string&    newTraceMessage);
00063 
00070     virtual ~MyTrace();
00071 
00081     static void
00082     setTraceStream(const char*    newStreamName);
00083 
00089     static ostream&
00090     getTraceStream();
00091 
00092 private:
00096     string    traceMessage;
00097 
00101     static ostream*    traceStream;
00102 };
00103 
00104 };  // namespace Utility
00105 };  // namespace Monitor
00106 
00107 
00108 #ifdef _DOEXITTRACE_
00109 #define _DOENTRYTRACE_
00110 #endif
00111 
00112 #ifdef _DOENTRYTRACE_
00113 #define _USEMYTRACE_(_trace_msg_) \
00114     ::Monitor::Utility::MyTrace    _myTrace_(_trace_msg_);
00115 #else
00116 #define _USEMYTRACE_(_trace_msg_)
00117 #endif
00118 
00119 
00120 #endif // __MYTRACE_INCLUDED__
00121 

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