X-Git-Url: https://git.gag.com/?p=fw%2Faltos;a=blobdiff_plain;f=ao-tools%2Faltosui%2FAltosParse.java;fp=ao-tools%2Faltosui%2FAltosParse.java;h=a60dc69434a67aa454519979041fee7f7a4d47a3;hp=0000000000000000000000000000000000000000;hb=65079f84ea64220fa928c3ad96652fed159bf74b;hpb=02f2be90879b682b6e648cf2debc83223d127b9d diff --git a/ao-tools/altosui/AltosParse.java b/ao-tools/altosui/AltosParse.java new file mode 100644 index 00000000..a60dc694 --- /dev/null +++ b/ao-tools/altosui/AltosParse.java @@ -0,0 +1,75 @@ +/* + * Copyright © 2010 Keith Packard + * + * 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); + } + } +}