/**
* Copyright 2007 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.sohospace.paoding;
import com.sohospace.dictionary.Dictionary;
import com.sohospace.dictionary.Hit;
/**
*
* @author Zhiliang Wang [qieqie.wang@gmail.com]
*
*/
public class NumberKnife extends CharKnife {
private Dictionary units;
public NumberKnife() {
}
public NumberKnife(Dictionary units) {
this.units = units;
}
public Dictionary getUnits() {
return units;
}
public void setUnits(Dictionary units) {
this.units = units;
}
public boolean assignable(CharSequence beaf, int index) {
return CharSet.isArabianNumber(beaf.charAt(index));
}
@Override
protected boolean isTokenChar(CharSequence beaf, int history, int index) {
char ch = beaf.charAt(index);
return CharSet.isArabianNumber(ch) || ch == '.';
}
protected void collect(Collector collector, CharSequence beaf, int offset,
int end, String word) {
super.collect(collector, beaf, offset, end, word);
if (units != null) {
Hit wd;
int i = end + 1;
while (i <= beaf.length()
&& (wd = units.search(beaf, end, i - end)).isHit()) {
collector.collect(word + beaf.subSequence(end, i), offset, i);
end++;
if (!wd.isUnclosed()) {
break;
}
i++;
}
}
}
}