JulianDateCommand.cc

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// -*- C++ -*-

// JulianDateCommand.cc
//
// Copyright (C) 2003 Rejean Ducharme 
// 
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
// 
//  1. Redistributions of source code must retain the above copyright
//     notice, this list of conditions and the following disclaimer.
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//  2. Redistributions in binary form must reproduce the above copyright
//     notice, this list of conditions and the following disclaimer in the
//     documentation and/or other materials provided with the distribution.
// 
//  3. The name of the authors may not be used to endorse or promote
//     products derived from this software without specific prior written
//     permission.
// 
// THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
// OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
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// 
// This file is part of the PLearn library. For more information on the PLearn
// library, go to the PLearn Web site at www.plearn.org

/* *******************************************************      
   * $Id: JulianDateCommand.cc,v 1.3 2004/07/21 16:30:49 chrish42 Exp $ 
   ******************************************************* */

// Authors: Rejean Ducharme

#include "JulianDateCommand.h"
#include <plearn/base/PDate.h>
#include <plearn/base/stringutils.h>
#include <plearn/base/plerror.h>

namespace PLearn {
using namespace std;

PLearnCommandRegistry JulianDateCommand::reg_(new JulianDateCommand);

JulianDateCommand::JulianDateCommand():
    PLearnCommand("jdate",

                  "Convert a Julian Date into a JJ/MM/YYYY date",

                  "Usage: jdate <julian_day_number> \n"
                  "       To get the equivalent JJ/MM/YYYY date \n"
                  ) 
  {}

void JulianDateCommand::run(const vector<string>& args)
{
  if (args.size() != 1)
    PLERROR("jdate expect only 1 argument, the juliay day number");

  int jdn = toint(args[0]);
  PDate date(jdn);
  int dd = date.day;
  int mm = date.month;
  int yyyy = date.year;

  cout << args[0] << " correspond to " << dd << "/" << mm << "/" << yyyy << endl;
}

} // end of namespace PLearn

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