BESDebug.h

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00001 // BESDebug.h
00002 
00003 // This file is part of bes, A C++ back-end server implementation framework
00004 // for the OPeNDAP Data Access Protocol.
00005 
00006 // Copyright (c) 2004,2005 University Corporation for Atmospheric Research
00007 // Author: Patrick West <pwest@ucar.edu> and Jose Garcia <jgarcia@ucar.edu>
00008 //
00009 // This library is free software; you can redistribute it and/or
00010 // modify it under the terms of the GNU Lesser General Public
00011 // License as published by the Free Software Foundation; either
00012 // version 2.1 of the License, or (at your option) any later version.
00013 // 
00014 // This library is distributed in the hope that it will be useful,
00015 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00016 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00017 // Lesser General Public License for more details.
00018 // 
00019 // You should have received a copy of the GNU Lesser General Public
00020 // License along with this library; if not, write to the Free Software
00021 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00022 //
00023 // You can contact University Corporation for Atmospheric Research at
00024 // 3080 Center Green Drive, Boulder, CO 80301
00025  
00026 // (c) COPYRIGHT University Corporation for Atmostpheric Research 2004-2005
00027 // Please read the full copyright statement in the file COPYRIGHT_UCAR.
00028 //
00029 // Authors:
00030 //      pwest       Patrick West <pwest@ucar.edu>
00031 //      jgarcia     Jose Garcia <jgarcia@ucar.edu>
00032 
00036 #ifndef I_BESDebug_h
00037 #define I_BESDebug_h 1
00038 
00039 #include <iostream>
00040 
00041 using std::cout ;
00042 using std::endl ;
00043 using std::ostream ;
00044 
00045 #define BESDEBUG( x ) { if( BESDebug::Debug() ) *(BESDebug::Get_strm()) << x ; }
00046 
00047 class BESDebug
00048 {
00049 private:
00050     bool                        _debug ;
00051     ostream *                   _strm ;
00052                                 BESDebug() : _debug( false ), _strm( 0 ) {}
00053     static BESDebug *           _debugger ;
00054 public:
00055                                 BESDebug( ostream *strm ) : _strm( strm ) {}
00056     virtual                     ~BESDebug() {}
00057     virtual     void    begin_debug() { _debug = true ; }
00058     virtual     void    end_debug() { _debug = false ; }
00059     virtual bool                debug() { return _debug ; }
00060     virtual ostream *           get_strm() { return _strm ; }
00061 
00062     static void                 Set_debugger( BESDebug *debugger )
00063                                 {
00064                                     if( BESDebug::_debugger )
00065                                         delete BESDebug::_debugger ;
00066                                     BESDebug::_debugger = debugger ;
00067                                 }
00068     static void                 Begin_debug()
00069                                 {
00070                                     if( BESDebug::_debugger )
00071                                         BESDebug::_debugger->begin_debug() ;
00072                                 }
00073     static void                 End_debug()
00074                                 {
00075                                     if( BESDebug::_debugger )
00076                                         BESDebug::_debugger->end_debug() ;
00077                                 }
00078     static bool                 Debug()
00079                                 {
00080                                     if( BESDebug::_debugger )
00081                                         return BESDebug::_debugger->debug() ;
00082                                     else
00083                                         return false ;
00084                                 }
00085     static ostream *            Get_strm()
00086                                 {
00087                                     if( BESDebug::_debugger )
00088                                         return BESDebug::_debugger->get_strm() ;
00089                                     else
00090                                         return 0 ;
00091                                 }
00092 } ;
00093 
00094 #endif // I_BESDebug_h
00095 
00096 /*
00097 int
00098 main( int argc, char **argv )
00099 {
00100     int some_number = 1 ;
00101     BESDEBUG( "Shouldn't be seeing this part 1: " << some_number++ << endl )
00102     BESDebug::Set_debugger( new BESDebug( &cout ) ) ;
00103     BESDEBUG( "Shouldn't be seeing this part 2: " << some_number++ << endl )
00104     BESDebug::Begin_debug() ;
00105     BESDEBUG( "Should be seeing this: " << some_number++ << endl )
00106 
00107     return 0 ;
00108 }
00109 */
00110 

Generated on Tue Feb 13 11:13:44 2007 for OPeNDAP Back End Server (BES) by  doxygen 1.4.6