105 lines
2.6 KiB
Java
105 lines
2.6 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.io.*;
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import java.util.*;
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import java.text.*;
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class AltosTelemetryOrdered implements Comparable<AltosTelemetryOrdered> {
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AltosTelemetry telem;
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int index;
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int tick;
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public int compareTo(AltosTelemetryOrdered o) {
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int tick_diff = tick - o.tick;
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if (tick_diff != 0)
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return tick_diff;
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return index - o.index;
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}
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AltosTelemetryOrdered (AltosTelemetry telem, int index, int tick) {
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this.telem = telem;
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this.index = index;
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this.tick = tick;
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}
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}
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class AltosTelemetryOrderedIterator implements Iterator<AltosTelemetry> {
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Iterator<AltosTelemetryOrdered> iterator;
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public AltosTelemetryOrderedIterator(TreeSet<AltosTelemetryOrdered> telems) {
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iterator = telems.iterator();
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}
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public boolean hasNext() {
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return iterator.hasNext();
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}
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public AltosTelemetry next() {
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return iterator.next().telem;
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}
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public void remove () {
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}
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}
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public class AltosTelemetryIterable implements Iterable<AltosTelemetry> {
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TreeSet<AltosTelemetryOrdered> telems;
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int tick;
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int index;
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public void add (AltosTelemetry telem) {
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int t = telem.tick();
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if (!telems.isEmpty()) {
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while (t < tick - 1000)
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t += 65536;
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}
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tick = t;
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telems.add(new AltosTelemetryOrdered(telem, index++, tick));
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}
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public Iterator<AltosTelemetry> iterator () {
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return new AltosTelemetryOrderedIterator(telems);
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}
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public AltosTelemetryIterable (FileInputStream input) throws IOException {
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telems = new TreeSet<AltosTelemetryOrdered> ();
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tick = 0;
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index = 0;
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for (;;) {
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String line = AltosLib.gets(input);
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if (line == null) {
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break;
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}
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try {
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AltosTelemetry telem = AltosTelemetry.parse(line);
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if (telem == null)
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break;
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add(telem);
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} catch (ParseException pe) {
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System.out.printf("parse exception %s\n", pe.getMessage());
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} catch (AltosCRCException ce) {
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}
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}
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}
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}
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