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Diffstat (limited to 'altoslib/AltosOrderedMiniRecord.java')
| -rw-r--r-- | altoslib/AltosOrderedMiniRecord.java | 52 | 
1 files changed, 52 insertions, 0 deletions
| diff --git a/altoslib/AltosOrderedMiniRecord.java b/altoslib/AltosOrderedMiniRecord.java new file mode 100644 index 00000000..96888941 --- /dev/null +++ b/altoslib/AltosOrderedMiniRecord.java @@ -0,0 +1,52 @@ +/* + * 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 org.altusmetrum.altoslib_1; + +import java.text.ParseException; + +/* + * AltosRecords with an index field so they can be sorted by tick while preserving + * the original ordering for elements with matching ticks + */ +class AltosOrderedMiniRecord extends AltosEepromMini implements Comparable<AltosOrderedMiniRecord> { + +	public int	index; + +	public AltosOrderedMiniRecord(String line, int in_index, int prev_tick, boolean prev_tick_valid) +		throws ParseException { +		super(line); +		if (prev_tick_valid) { +			tick |= (prev_tick & ~0xffff); +			if (tick < prev_tick) { +				if (prev_tick - tick > 0x8000) +					tick += 0x10000; +			} else { +				if (tick - prev_tick > 0x8000) +					tick -= 0x10000; +			} +		} +		index = in_index; +	} + +	public int compareTo(AltosOrderedMiniRecord o) { +		int	tick_diff = tick - o.tick; +		if (tick_diff != 0) +			return tick_diff; +		return index - o.index; +	} +} | 
