127 lines
3.5 KiB
Java
127 lines
3.5 KiB
Java
/*
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* Copyright © 2010 Keith Packard <keithp@keithp.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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*/
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package org.altusmetrum.altoslib_14;
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import java.util.*;
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import java.text.*;
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public class AltosParse {
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public static boolean isdigit(char c) {
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return '0' <= c && c <= '9';
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}
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public static int parse_int(String v) throws ParseException {
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try {
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return (int) AltosLib.fromdec(v);
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} catch (NumberFormatException e) {
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throw new ParseException("error parsing int " + v, 0);
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}
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}
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public static long parse_long(String v) throws ParseException {
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try {
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return AltosLib.fromdec(v);
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} catch (NumberFormatException e) {
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throw new ParseException("error parsing int " + v, 0);
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}
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}
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public static int parse_hex(String v) throws ParseException {
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try {
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return AltosLib.fromhex(v);
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} catch (NumberFormatException e) {
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throw new ParseException("error parsing hex " + v, 0);
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}
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}
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static NumberFormat get_nf_locale() {
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NumberFormat nf = NumberFormat.getInstance();
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nf.setParseIntegerOnly(false);
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nf.setGroupingUsed(false);
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return nf;
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}
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static NumberFormat nf_locale = get_nf_locale();
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static NumberFormat get_nf_net() {
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NumberFormat nf = NumberFormat.getInstance(Locale.ROOT);
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nf.setParseIntegerOnly(false);
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nf.setGroupingUsed(false);
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return nf;
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}
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static NumberFormat nf_net = get_nf_net();
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public static double parse_double_locale(String str) throws ParseException {
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try {
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return nf_locale.parse(str.trim()).doubleValue();
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} catch (ParseException pe) {
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throw new ParseException("error parsing double " + str, 0);
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}
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}
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public static String format_double_locale(double number) {
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return nf_locale.format(number);
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}
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public static double parse_double_net(String str) throws ParseException {
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try {
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String t = str.trim();
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// System.out.printf("Parse string \"%s\" trim \"%s\"\n", str, t);
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return nf_net.parse(t).doubleValue();
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} catch (ParseException pe) {
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throw new ParseException("error parsing double " + str, 0);
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}
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}
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public static String format_double_net(double number) {
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String ret = nf_net.format(number);
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// System.out.printf("format double %f \"%s\"\n", number, ret);
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return ret;
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}
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public static double parse_coord(String coord) throws ParseException {
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String[] dsf = coord.split("\\D+");
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if (dsf.length != 3) {
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throw new ParseException("error parsing coord " + coord, 0);
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}
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int deg = parse_int(dsf[0]);
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int min = parse_int(dsf[1]);
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int frac = parse_int(dsf[2]);
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double r = deg + (min + frac / 10000.0) / 60.0;
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if (coord.endsWith("S") || coord.endsWith("W"))
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r = -r;
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return r;
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}
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public static String strip_suffix(String v, String suffix) {
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if (v.endsWith(suffix))
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return v.substring(0, v.length() - suffix.length());
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return v;
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}
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public static void word(String v, String m) throws ParseException {
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if (!v.equals(m)) {
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throw new ParseException("error matching '" + v + "' '" + m + "'", 0);
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}
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}
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}
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