1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * See LICENSE.txt included in this distribution for the specific 9 * language governing permissions and limitations under the License. 10 * 11 * When distributing Covered Code, include this CDDL HEADER in each 12 * file and include the License file at LICENSE.txt. 13 * If applicable, add the following below this CDDL HEADER, with the 14 * fields enclosed by brackets "[]" replaced with your own identifying 15 * information: Portions Copyright [yyyy] [name of copyright owner] 16 * 17 * CDDL HEADER END 18 */ 19 20 /* 21 * Copyright (c) 2005, 2018, Oracle and/or its affiliates. All rights reserved. 22 */ 23 package org.opengrok.indexer.search.context; 24 25 /** 26 * Matches a term against a set of tokens. 27 */ 28 class PhraseMatcher extends LineMatcher { 29 private final String[] phraseTerms; 30 private int cur; 31 PhraseMatcher(String[] phraseTerms, boolean caseInsensitive)32 PhraseMatcher(String[] phraseTerms, boolean caseInsensitive) { 33 super(caseInsensitive); 34 this.phraseTerms = phraseTerms.clone(); 35 cur = 0; 36 } 37 38 @Override match(String token)39 public int match(String token) { 40 if (equal(token, phraseTerms[cur])) { 41 //System.out.println(" PhraseMatcher matched " + token); 42 if (cur < phraseTerms.length - 1) { 43 cur++; 44 return WAIT; //matching. 45 } 46 //System.out.println(" PhraseMatcher match complete with " + token); 47 cur = 0; 48 return MATCHED; //matched! 49 } else if (cur > 0) { 50 cur = 0; 51 if (equal(token, phraseTerms[cur])) { 52 cur++; 53 return WAIT; //matching. 54 } 55 } 56 return NOT_MATCHED; 57 } 58 } 59