package org.apache.lucene.util.automaton;
/**
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.
*/
public class CharacterRunAutomaton extends RunAutomaton {
public CharacterRunAutomaton(Automaton a) {
super(a, Character.MAX_CODE_POINT, false);
}
/**
* Returns true if the given string is accepted by this automaton.
*/
public boolean run(String s) {
int p = initial;
int l = s.length();
for (int i = 0, cp = 0; i < l; i += Character.charCount(cp)) {
p = step(p, cp = s.codePointAt(i));
if (p == -1) return false;
}
return accept[p];
}
/**
* Returns true if the given string is accepted by this automaton
*/
public boolean run(char[] s, int offset, int length) {
int p = initial;
int l = offset + length;
for (int i = offset, cp = 0; i < l; i += Character.charCount(cp)) {
p = step(p, cp = Character.codePointAt(s, i, l));
if (p == -1) return false;
}
return accept[p];
}
}