1b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato/* 2b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * ProGuard -- shrinking, optimization, obfuscation, and preverification 3b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * of Java bytecode. 4b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * 5b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang * Copyright (c) 2002-2013 Eric Lafortune (eric@graphics.cornell.edu) 6b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * 7b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * This program is free software; you can redistribute it and/or modify it 8b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * under the terms of the GNU General Public License as published by the Free 9b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * Software Foundation; either version 2 of the License, or (at your option) 10b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * any later version. 11b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * 12b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * This program is distributed in the hope that it will be useful, but WITHOUT 13b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 14b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 15b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * more details. 16b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * 17b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * You should have received a copy of the GNU General Public License along 18b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * with this program; if not, write to the Free Software Foundation, Inc., 19b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 20b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato */ 21b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onoratopackage proguard.util; 22b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato 23b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato/** 24b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * This StringMatcher tests whether strings match a given list of StringMatcher 25b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * instances. The instances are considered sequentially. Each instance in the 26b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * list can optionally be negated, meaning that a match makes the entire 27b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * remaining match fail. 28b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * 29b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * @author Eric Lafortune 30b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato */ 31b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onoratopublic class ListMatcher implements StringMatcher 32b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato{ 33b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato private final StringMatcher[] matchers; 34b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato private final boolean[] negate; 35b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato 36b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato 37b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato public ListMatcher(StringMatcher[] matchers) 38b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato { 39b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato this(matchers, null); 40b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato } 41b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato 42b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato 43b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato public ListMatcher(StringMatcher[] matchers, boolean[] negate) 44b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato { 45b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato this.matchers = matchers; 46b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato this.negate = negate; 47b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato } 48b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato 49b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato 50b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato // Implementations for StringMatcher. 51b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato 52b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato public boolean matches(String string) 53b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato { 54b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato // Check the list of matchers. 55b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato for (int index = 0; index < matchers.length; index++) 56b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato { 57b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato StringMatcher matcher = matchers[index]; 58b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato if (matcher.matches(string)) 59b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato { 60b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato return negate == null || 61b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato !negate[index]; 62b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato } 63b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato } 64b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato 65b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato return negate != null && 66b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato negate[negate.length - 1]; 67b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato 68b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato } 69b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato} 70