Index: /trunk/FACT++/src/chatclient.cc
===================================================================
--- /trunk/FACT++/src/chatclient.cc	(revision 10506)
+++ /trunk/FACT++/src/chatclient.cc	(revision 10506)
@@ -0,0 +1,180 @@
+#include <boost/filesystem.hpp>
+
+#include "Configuration.h"
+#include "ChatClient.h"
+
+using namespace std;
+
+template <class T>
+void RunShell(Configuration &conf)
+{
+    // A normal kill will call its destructor! (Very nice feature ;) )
+    static T shell(conf.GetName().c_str(), conf.Get<int>("console")!=1);
+
+    WindowLog &win  = shell.GetStreamIn();
+    WindowLog &wout = shell.GetStreamOut();
+
+    if (conf.Has("log"))
+        if (!wout.OpenLogFile(conf.Get<string>("log")))
+            win << kRed << "ERROR - Couldn't open log-file " << conf.Get<string>("log") << ": " << strerror(errno) << endl;
+
+    shell.Run();
+}
+
+
+// ========================================================================
+void SetupConfiguration(Configuration &conf)
+{
+    const string n = conf.GetName()+".log";
+
+    po::options_description config("Program options");
+    config.add_options()
+        ("dns",       var<string>("localhost"), "Dim nameserver host name (Overwites DIM_DNS_NODE environment variable)")
+        ("log,l",     var<string>(n), "Write log-file")
+        ("console,c", var<int>(),     "Use console (0=shell, 1=simple buffered, X=simple unbuffered)")
+        ;
+
+    conf.AddEnv("dns", "DIM_DNS_NODE");
+
+    conf.AddOptions(config);
+}
+
+/*
+ Extract usage clause(s) [if any] for SYNOPSIS.
+ Translators: "Usage" and "or" here are patterns (regular expressions) which
+ are used to match the usage synopsis in program output.  An example from cp
+ (GNU coreutils) which contains both strings:
+  Usage: cp [OPTION]... [-T] SOURCE DEST
+    or:  cp [OPTION]... SOURCE... DIRECTORY
+    or:  cp [OPTION]... -t DIRECTORY SOURCE...
+ */
+void PrintUsage()
+{
+    cout << "\n"
+        "The console connects to all available Dim Servers and allows to "
+        "easily access all of their commands.\n"
+        "\n"
+        "Usage: test3 [-c type] [OPTIONS]\n"
+        "  or:  test3 [OPTIONS]\n"
+        "\n"
+        "Options:\n"
+        "The following describes the available commandline options. "
+        "For further details on how command line option are parsed "
+        "and in which order which configuration sources are accessed "
+        "please refer to the class reference of the Configuration class.";
+    cout << endl;
+
+}
+
+void PrintHelp()
+{
+    cout <<
+        "The default is that the program is started without user intercation. "
+        "All actions are supposed to arrive as DimCommands. Using the -c "
+        "option, a local shell can be initialized. With h or help a short "
+        "help message about the usuage can be brought to the screen."
+        << endl;
+
+    /*
+     cout << "bla bla bla" << endl << endl;
+     cout << endl;
+     cout << "Environment:" << endl;
+     cout << "environment" << endl;
+     cout << endl;
+     cout << "Examples:" << endl;
+     cout << "test exam" << endl;
+     cout << endl;
+     cout << "Files:" << endl;
+     cout << "files" << endl;
+     cout << endl;
+     */
+}
+
+/*
+ The first line of the --version information is assumed to be in one
+ of the following formats:
+
+   <version>
+   <program> <version>
+   {GNU,Free} <program> <version>
+   <program> ({GNU,Free} <package>) <version>
+   <program> - {GNU,Free} <package> <version>
+
+ and separated from any copyright/author details by a blank line.
+
+ Handle multi-line bug reporting sections of the form:
+
+   Report <program> bugs to <addr>
+   GNU <package> home page: <url>
+   ...
+*/
+void PrintVersion(const char *name)
+{
+    string n = boost::filesystem::basename(name);
+    if (n.substr(0, 3)=="lt-")
+        n = n.substr(3);
+
+    cout <<
+        n << " - FACT++ 1.0\n"
+        "\n"
+        "Written by Thomas Bretz <thomas.bretz@epfl.ch> et al.\n"
+        "\n"
+        "Report bugs to Thomas Bretz <thomas.bretz@epfl.ch>\n"
+        "FACT++ home page: http://www.xxx.com\n"
+        "\n"
+        "Copyright (C) 2011 by the FACT Collaboration.\n"
+        "This is free software; see the source for copying conditions.\n"
+        << endl;
+}
+
+int main(int argc, const char *argv[])
+{
+    Configuration conf(argv[0]);
+    conf.SetPrintUsage(PrintUsage);
+    SetupConfiguration(conf);
+
+    po::variables_map vm;
+    try
+    {
+        vm = conf.Parse(argc, argv);
+    }
+    catch (std::exception &e)
+    {
+#if BOOST_VERSION > 104000
+        po::multiple_occurrences *MO = dynamic_cast<po::multiple_occurrences*>(&e);
+        if (MO)
+            cout << "Error: " << e.what() << " of '" << MO->get_option_name() << "' option." << endl;
+        else
+#endif
+            cout << "Error: " << e.what() << endl;
+        cout << endl;
+
+        return -1;
+    }
+
+    if (conf.HasPrint())
+        return -1;
+
+    if (conf.HasVersion())
+    {
+        PrintVersion(argv[0]);
+        return -1;
+    }
+
+    if (conf.HasHelp())
+    {
+        PrintHelp();
+        return -1;
+    }
+
+    // To allow overwriting of DIM_DNS_NODE set 0 to 1
+    setenv("DIM_DNS_NODE", conf.Get<string>("dns").c_str(), 1);
+
+    if (conf.Get<int>("console")==0)
+        RunShell<ChatShell>(conf);
+    else
+        RunShell<ChatConsole>(conf);
+
+
+    return 0;
+}