eo::log: added the parameter -o in order to define a log file + removed some warning messages at compile time

eo/src/utils/eoParserLogger.cpp

@@ -17,8 +17,8 @@
 Contact: http://eodev.sourceforge.net
 
 Authors:
-	 Johann Dreo <johann.dreo@thalesgroup.com>
+Johann Dreo <johann.dreo@thalesgroup.com>
-	 Caner Candan <caner.candan@thalesgroup.com>
+Caner Candan <caner.candan@thalesgroup.com>
 
 */
 
@@ -30,16 +30,44 @@ eoParserLogger::eoParserLogger(unsigned _argc, char** _argv,
 			       std::string _lFileParamName /*= "param-file"*/,
 			       char _shortHand /*= 'p'*/)
     : eoParser(_argc, _argv, _programDescription, _lFileParamName, _shortHand),
-      _verbose("quiet", "verbose", "Set the verbose level", 'v'),
+    _verbose("quiet", "verbose", "Set the verbose level", 'v'),
-      _printVerboseLevels(false, "print-verbose-levels", "Print verbose levels", 'l')
+    _printVerboseLevels(false, "print-verbose-levels", "Print verbose levels", 'l'),
+    _output("", "output", "Redirect a standard output to a file", 'o')
 {
+    //------------------------------------------------------------------
+    // we are saying to eoParser to create the parameters created above.
+    //------------------------------------------------------------------
+
     processParam(_verbose);
     processParam(_printVerboseLevels);
+    processParam(_output);
 
-    if (!_printVerboseLevels.value())
+    //------------------------------------------------------------------
-	return;
+
+
+    //------------------------------------------------------------------
+    // we're gonna redirect the log to the given filename if -o is used.
+    //------------------------------------------------------------------
+
+    if ( ! _output.value().empty() )
+	{
+	    eo::log << eo::file( _output.value() );
+	}
+
+    //------------------------------------------------------------------
+
+
+    //------------------------------------------------------------------
+    // // we're gonna print the list of levels if -l parameter is used.
+    //------------------------------------------------------------------
+
+    if ( _printVerboseLevels.value() )
+	{
+	    eo::log.printLevels();
+	}
+
+    //------------------------------------------------------------------
 
-    eo::log.printLevels();
 }
 
 eoParserLogger::~eoParserLogger()

eo/src/utils/eoParserLogger.h

@@ -43,6 +43,7 @@ private:
     friend void	make_verbose(eoParserLogger&);
     eoValueParam<std::string>	_verbose;
     eoValueParam<bool>		_printVerboseLevels;
+    eoValueParam<std::string>	_output;
 };
 
 void	make_verbose(eoParserLogger&);

eo/src/utils/make_help.cpp

@@ -90,14 +90,16 @@ bool testDirRes(std::string _dirName, bool _erase=true)
   if (res)                    // no dir present
     {
       s = string("mkdir ")+ _dirName;
-      system(s.c_str());
+      int res = system(s.c_str());
+      (void)res;
       return true;
     }
   //  else
   if (_erase)			   // OK to erase
     {
       s = string("/bin/rm ")+ _dirName + "/*";
-      system(s.c_str());
+      int res = system(s.c_str());
+      (void)res;
       return true;
     }
   //else

eo/test/t-eoLogger.cpp

@@ -6,18 +6,24 @@
 #include <utils/eoLogger.h>
 #include <utils/eoParserLogger.h>
 
+#include <eo>
+
 //-----------------------------------------------------------------------------
 
 int	main(int ac, char** av)
 {
     eoParserLogger	parser(ac, av);
 
+    make_help(parser);
+
     make_verbose(parser);
 
     eo::log << eo::setlevel(eo::debug);
 
     eo::log << eo::warnings;
 
+    eo::log << "We are written on the default defined standard output" << std::endl;
+
     eo::log << eo::file("test.txt") << "In FILE" << std::endl;
     eo::log << std::cout << "In COUT" << std::endl;