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/*
* Copyright © 2010 Keith Packard <keithp@keithp.com>
*
* 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; version 2 of the License.
*
* 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.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
package org.altusmetrum.altoslib_5;
import java.text.*;
public class AltosParse {
public static boolean isdigit(char c) {
return '0' <= c && c <= '9';
}
public static int parse_int(String v) throws ParseException {
try {
return AltosLib.fromdec(v);
} catch (NumberFormatException e) {
throw new ParseException("error parsing int " + v, 0);
}
}
public static int parse_hex(String v) throws ParseException {
try {
return AltosLib.fromhex(v);
} catch (NumberFormatException e) {
throw new ParseException("error parsing hex " + v, 0);
}
}
public static double parse_double(String v) throws ParseException {
try {
return Double.parseDouble(v);
} catch (NumberFormatException e) {
throw new ParseException("error parsing double " + v, 0);
}
}
public static double parse_coord(String coord) throws ParseException {
String[] dsf = coord.split("\\D+");
if (dsf.length != 3) {
throw new ParseException("error parsing coord " + coord, 0);
}
int deg = parse_int(dsf[0]);
int min = parse_int(dsf[1]);
int frac = parse_int(dsf[2]);
double r = deg + (min + frac / 10000.0) / 60.0;
if (coord.endsWith("S") || coord.endsWith("W"))
r = -r;
return r;
}
public static String strip_suffix(String v, String suffix) {
if (v.endsWith(suffix))
return v.substring(0, v.length() - suffix.length());
return v;
}
public static void word(String v, String m) throws ParseException {
if (!v.equals(m)) {
throw new ParseException("error matching '" + v + "' '" + m + "'", 0);
}
}
}
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