| /* |
| * Copyright (C) 2016 The Guava Authors |
| * |
| * 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.google.common.base; |
| |
| import com.google.common.annotations.GwtIncompatible; |
| |
| /** |
| * Pluggable interface for compiling a regex pattern. By default this package uses the {@code |
| * java.util.regex} library, but an alternate implementation can be supplied using the {@link |
| * java.util.ServiceLoader} mechanism. |
| */ |
| @GwtIncompatible |
| interface PatternCompiler { |
| /** |
| * Compiles the given pattern. |
| * |
| * @throws IllegalArgumentException if the pattern is invalid |
| */ |
| CommonPattern compile(String pattern); |
| |
| /** |
| * Returns {@code true} if the regex implementation behaves like Perl -- notably, by supporting |
| * possessive quantifiers but also being susceptible to catastrophic backtracking. |
| */ |
| boolean isPcreLike(); |
| } |