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Diffstat (limited to 'ao-tools/altosui/AltosParse.java')
| -rw-r--r-- | ao-tools/altosui/AltosParse.java | 75 | 
1 files changed, 75 insertions, 0 deletions
| 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 <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); +		} +	} +} | 
