Steal C code from ao-view

[fw/altos] / ao-tools / altosui / AltosParse.java

diff --git a/ao-tools/altosui/AltosParse.java b/ao-tools/altosui/AltosParse.java
new file mode 100644 (file)
index 0000000..a60dc69
--- /dev/null
+++ b/ao-tools/altosui/AltosParse.java
@@ -0,0 +1,75 @@
+/*
+ * 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 int parse_int(String v) throws ParseException {
+               try {
+                       return Integer.parseInt(v);
+               } catch (NumberFormatException e) {
+                       throw new ParseException("error parsing int " + v, 0);
+               }
+       }
+
+       static int parse_hex(String v) throws ParseException {
+               try {
+                       return Integer.parseInt(v, 16);
+               } 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);
+               }
+       }
+}