SimpleTimeParser.h

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// This file is part of the "NcML Module" project, a BES module designed
// to allow NcML files to be used to be used as a wrapper to add
// AIS to existing datasets of any format.
//
// Copyright (c) 2009 OPeNDAP, Inc.
// Author: Michael Johnson  <m.johnson@opendap.org>
//
// For more information, please also see the main website: http://opendap.org/
//
// 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; either
// version 2.1 of the License, or (at your option) any later version.
//
// 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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
//
// Please see the files COPYING and COPYRIGHT for more information on the GLPL.
//
// You can contact OPeNDAP, Inc. at PO Box 112, Saunderstown, RI. 02874-0112.

#ifndef __AGG_UTIL__SIMPLE_TIME_PARSER_H__
#define __AGG_UTIL__SIMPLE_TIME_PARSER_H__

#include <map>
#include <string>

namespace agg_util
{

  class SimpleTimeParser
  {
  public:
    SimpleTimeParser();
    ~SimpleTimeParser();

    static bool parseIntoSeconds(long& seconds, const std::string& duration);

  private:

    static void initParseTable();

    // Constants for use in the table.
    static const long _sSecsInMin;
    static const long _sSecsInHour;
    static const long _sSecsInDay;
    static const long _sSecsInWeek;
    static const long _sSecsInMonth; // we use 31 days to calc this one
    static const long _sSecsInYear; // and 365 days this one

    static std::map< std::string, long > _sParseTable; // Map from units string to secs
    static bool _sInited;  // has the table been created yet?
  };

}

#endif /* __AGG_UTIL__SIMPLE_TIME_PARSER_H__ */