| /* |
| * reserved comment block |
| * DO NOT REMOVE OR ALTER! |
| */ |
| /* |
| * Copyright 1999-2004 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.sun.org.apache.regexp.internal; |
| |
| /** |
| * This is a class that contains utility helper methods for this package. |
| * |
| * @author <a href="mailto:jonl@muppetlabs.com">Jonathan Locke</a> |
| */ |
| public class REUtil |
| { |
| /** complex: */ |
| private static final String complexPrefix = "complex:"; |
| |
| /** |
| * Creates a regular expression, permitting simple or complex syntax |
| * @param expression The expression, beginning with a prefix if it's complex or |
| * having no prefix if it's simple |
| * @param matchFlags Matching style flags |
| * @return The regular expression object |
| * @exception RESyntaxException thrown in case of error |
| */ |
| public static RE createRE(String expression, int matchFlags) throws RESyntaxException |
| { |
| if (expression.startsWith(complexPrefix)) |
| { |
| return new RE(expression.substring(complexPrefix.length()), matchFlags); |
| } |
| return new RE(RE.simplePatternToFullRegularExpression(expression), matchFlags); |
| } |
| |
| /** |
| * Creates a regular expression, permitting simple or complex syntax |
| * @param expression The expression, beginning with a prefix if it's complex or |
| * having no prefix if it's simple |
| * @return The regular expression object |
| * @exception RESyntaxException thrown in case of error |
| */ |
| public static RE createRE(String expression) throws RESyntaxException |
| { |
| return createRE(expression, RE.MATCH_NORMAL); |
| } |
| } |