application.cpp

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00001 /*
00002   CLAW - a C++ Library Absolutely Wonderful
00003 
00004   CLAW is a free library without any particular aim but being useful to 
00005   anyone.
00006 
00007   Copyright (C) 2005-2010 Julien Jorge
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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
00022 
00023   contact: julien_jorge@yahoo.fr
00024 */
00030 #include <claw/application.hpp>
00031 
00032 #include <claw/logger.hpp>
00033 #include <claw/log_stream_uniq.hpp>
00034 #include <claw/log_stream_concise.hpp>
00035 #include <claw/claw_gettext.hpp>
00036 
00037 /*----------------------------------------------------------------------------*/
00046 claw::application::application( int& argc, char** &argv )
00047   : m_arguments( argc, argv )
00048 {
00049   setlocale( LC_ALL, "" );
00050   bind_textdomain_codeset( "libclaw", "UTF-8" );
00051   textdomain("libclaw");
00052 
00053   m_arguments.add_long
00054     ("--log-file", claw_gettext("The file to use to store log informations."),
00055      true, claw_gettext("file") );
00056   m_arguments.add_long
00057     ("--log-level",
00058      claw_gettext("Level of log informations:\n"
00059       "\t\terror: error messages,\n"
00060       "\t\twarning: warning and error messages,\n"
00061       "\t\tverbose: all messages."), true, claw_gettext("string") );
00062   m_arguments.add_long
00063     ("--log-uniq",
00064      claw_gettext
00065      ("Use a logger that does not output successively the same message."),
00066      true );
00067   m_arguments.add_long
00068     ("--log-concise",
00069      claw_gettext
00070      ("Use a logger that does not output messages that have been recently"
00071       " output."), true, claw_gettext("integer") );
00072 
00073   m_arguments.parse( argc, argv );
00074   
00075   log_stream* log;
00076 
00077   if ( m_arguments.has_value("--log-file") )
00078     log = new file_logger( m_arguments.get_string("--log-file") );
00079   else
00080     log = new console_logger;
00081 
00082   if ( m_arguments.get_bool("--log-uniq") )
00083     log = new log_stream_uniq(log);
00084   else if ( m_arguments.has_value("--log-concise")
00085       && m_arguments.only_integer_values("--log-concise")
00086       && m_arguments.get_integer("--log-concise") > 0 )
00087     log = new log_stream_concise(log, m_arguments.get_integer("--log-concise"));
00088   else if ( m_arguments.get_bool("--log-concise") )
00089     log = new log_stream_concise(log);
00090  
00091   logger.set( log );
00092 
00093   if ( m_arguments.has_value( "--log-level" ) )
00094     {
00095       std::string level = m_arguments.get_string("--log-level");
00096 
00097       if ( (level == "error") || (level == claw_gettext("error")) )
00098   logger.set_level( log_error );
00099       else if ( (level == "warning") || (level == claw_gettext("warning")) )
00100   logger.set_level( log_warning );
00101       else if ( (level == "verbose") || (level == claw_gettext("verbose")) )
00102   logger.set_level( log_verbose );
00103       else
00104   logger.set_level( m_arguments.get_integer("--log-level") );
00105     }
00106 
00107 } // application::application()
00108 
00109 /*----------------------------------------------------------------------------*/
00113 claw::application::~application()
00114 {
00115   logger.clear();
00116 } // application::~application()