int FitsDumper::Exec

(

Configuration &

conf

)

Configures the fitsLoader from the config file and/or command arguments.

Retrieves the configuration parameters

Parameters

conf	the configuration object

Definition at line 958 of file fitsdump.cc.

References Dump(), DumpMinMax(), DumpRoot(), DumpStats(), Configuration::Get(), Configuration::Has(), InitColumns(), List(), ListFileContent(), ListHeader(), and Configuration::Vec().

Referenced by main().

{
    if (conf.Get<bool>("list"))
        List();

    if (conf.Get<bool>("filecontent"))
        ListFileContent();

    if (conf.Get<bool>("header"))
        ListHeader(conf.Get<string>("outfile"));


    if (conf.Get<bool>("header") || conf.Get<bool>("list") || conf.Get<bool>("filecontent"))
        return 1;

    // ------------------------------------------------------------

    if (conf.Get<bool>("minmax") && conf.Get<bool>("stat"))
    {
        cerr << "Invalid combination of options: cannot do stats and minmax." << endl;
        return -1;
    }
    if (conf.Get<bool>("stat") && conf.Get<bool>("nozero"))
    {
        cerr << "Invalid combination of options: nozero only works with minmax." << endl;
        return -1;
    }

    if (conf.Get<bool>("scientific") && conf.Get<bool>("fixed"))
    {
        cerr << "Switched --scientific and --fixed are mutually exclusive." << endl;
        return -1;
    }

    if (conf.Has("%") && conf.Has("%%"))
    {
        cerr << "Switched --% and --%% are mutually exclusive." << endl;
        return -1;
    }

    // ------------------------------------------------------------

    const string filename = conf.Get<string>("outfile");

    ostream fout(cout.rdbuf());

    ofstream sout;
    if (filename!="-")
    {
        sout.open(filename);
        if (!sout)
        {
            cerr << "Cannot open output stream " << filename << ": " << strerror(errno) << endl;
            return false;
        }
        fout.rdbuf(sout.rdbuf());
    }

    fout.precision(conf.Get<int>("precision"));
    if (conf.Get<bool>("fixed"))
        fout << fixed;
    if (conf.Get<bool>("scientific"))
        fout << scientific;

    const string filter = conf.Has("filter") ? conf.Get<string>("filter") : "";
    const size_t first  = conf.Get<size_t>("first");
    const size_t limit  = conf.Get<size_t>("limit");

#ifdef HAVE_ROOT
    if (conf.Get<bool>("root"))
    {
        DumpRoot(fout, conf.Vec<string>("col"), filter, first, limit, filename);
        return 0;
    }
#endif

    const vector<string> format = conf.Vec<string>("%");
    for (auto it=format.begin(); it<format.end(); it++)
    {
        static const boost::regex expr("-?[0-9]*[.]?[0-9]*[diouxXeEfFgGaAh]");

        boost::smatch what;
        if (!boost::regex_match(*it, what, expr, boost::match_extra))
        {
            cerr << "Format '" << *it << "' not supported." << endl;
            return -1;
        }
    }

    const vector<MyColumn> cols = InitColumns(conf.Vec<string>("col"));
    if (cols.empty())
        return false;

    if (conf.Get<bool>("minmax"))
    {
        DumpMinMax(fout, cols, first, limit, conf.Get<bool>("nozero"));
        return 0;
    }

    if (conf.Get<bool>("stat"))
    {
        DumpStats(fout, cols, filter, first, limit);
        return 0;
    }

    Dump(fout, format, cols, filter, first, limit, filename);

    return 0;
}

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