create a more generic class for monitoring to any ostream (useful for output to clog or cerr, for example), the stdout monitor now inherits from it

eo/src/utils/eoOStreamMonitor.h

@@ -0,0 +1,62 @@
+
+/*
+
+(c) Marc Schoenauer, Maarten Keijzer and GeNeura Team, 2000
+(c) Thales group, 2010
+
+    This library is free software; you can redistribute it and/or modify it under
+    the terms of the GNU Lesser General Public License as published by the Free
+    Software Foundation; version 2 of the license.
+
+    This library is distributed in the hope that it will be useful, but WITHOUT ANY
+    WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+    PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public License along
+    with this library; if not, write to the Free Software Foundation, Inc., 59
+    Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+Contact: http://eodev.sourceforge.net
+
+Authors:
+     todos@geneura.ugr.es
+     Marc.Schoenauer@polytechnique.fr
+     mkeijzer@dhi.dk
+	 Johann Dréo <johann.dreo@thalesgroup.com>
+*/
+
+
+
+#ifndef _eoOStreamMonitor_h_
+#define _eoOStreamMonitor_h_
+
+#include <string>
+#include <iostream>
+
+#include <utils/eoMonitor.h>
+#include <eoObject.h>
+
+/**
+    Prints statistics to stdout
+*/
+class eoOStreamMonitor : public eoMonitor
+{
+public :
+    eoOStreamMonitor( std::ostream & _out, bool _verbose=true, std::string _delim = "\t", unsigned int _width=20, char _fill=' ' ) : 
+        out(_out), verbose(_verbose), delim(_delim), width(_width), fill(_fill), firsttime(true) {}
+
+    eoMonitor& operator()(void);
+
+    virtual std::string className(void) const { return "eoOStreamMonitor"; }
+
+private :
+    std::ostream & out;
+    bool verbose;
+    std::string delim;
+    unsigned int width;
+    char fill;
+    bool firsttime;
+};
+
+#endif // _eoOStreamMonitor_h_
+