--- /dev/null
+/*
+ * 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 altosui;
+
+import java.text.*;
+import java.lang.*;
+
+public class AltosParse {
+ static boolean isdigit(char c) {
+ return '0' <= c && c <= '9';
+ }
+
+ static int parse_int(String v) throws ParseException {
+ try {
+ return Altos.fromdec(v);
+ } catch (NumberFormatException e) {
+ throw new ParseException("error parsing int " + v, 0);
+ }
+ }
+
+ static int parse_hex(String v) throws ParseException {
+ try {
+ return Altos.fromhex(v);
+ } catch (NumberFormatException e) {
+ throw new ParseException("error parsing hex " + v, 0);
+ }
+ }
+
+ static double parse_double(String v) throws ParseException {
+ try {
+ return Double.parseDouble(v);
+ } catch (NumberFormatException e) {
+ throw new ParseException("error parsing double " + v, 0);
+ }
+ }
+
+ 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;
+ }
+
+ static String strip_suffix(String v, String suffix) {
+ if (v.endsWith(suffix))
+ return v.substring(0, v.length() - suffix.length());
+ return v;
+ }
+
+ static void word(String v, String m) throws ParseException {
+ if (!v.equals(m)) {
+ throw new ParseException("error matching '" + v + "' '" + m + "'", 0);
+ }
+ }
+}