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// $Id: HarmonicsFile.hh,v 1.3 2003/10/14 18:04:23 flaterco Exp $
/* HarmonicsFile Operations for reading harmonics files.
Copyright (C) 1998 David Flater.
Vastly altered by Jan Depner 2002-09 to remove old .txt and .xml
based code and replace with libtcd.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
class TideContext;
class StationReference;
class ConstituentSet;
class Settings;
// If the specified file does not exist, the results will be as if
// it existed with zero length: getNextStationRef will return NULL.
class HarmonicsFile {
public:
// libtcd's open_tide_db is called each time a HarmonicsFile is
// created. Intentionally, there is no matching call to
// close_tide_db (consquently, no need for a destructor). See
// http://www.flaterco.com/xtide/tcd_notes.html and XTide changelog
// for version 2.6.3.
HarmonicsFile (Dstr &filename, Settings *in_settings);
StationRef *getNextStationRef(); // Allocates a new StationRef, returns
// NULL if end of file.
Station *getStation (StationRef &in_ref,
TideContext *in_context);
Dstr version_string;
protected:
Settings *settings;
Dstr *myfilename;
DB_HEADER_PUBLIC db;
TIDE_RECORD rec;
unsigned mynumconst;
ConstituentSet *constituents;
};
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