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Java example source code file (StringCutter.java)
The StringCutter.java Java example source code/* * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package com.sun.tools.internal.xjc.util; import java.text.ParseException; import java.util.regex.Matcher; import java.util.regex.Pattern; /** * Utility class to parse a string * * @author Kohsuke Kawaguchi */ public final class StringCutter { private final String original; private String s; private boolean ignoreWhitespace; public StringCutter(String s, boolean ignoreWhitespace) { this.s = this.original = s; this.ignoreWhitespace = ignoreWhitespace; } public void skip(String regexp) throws ParseException { next(regexp); } public String next(String regexp) throws ParseException { trim(); Pattern p = Pattern.compile(regexp); Matcher m = p.matcher(s); if(m.lookingAt()) { String r = m.group(); s = s.substring(r.length()); trim(); return r; } else throw error(); } private ParseException error() { return new ParseException(original,original.length()-s.length()); } public String until(String regexp) throws ParseException { Pattern p = Pattern.compile(regexp); Matcher m = p.matcher(s); if(m.find()) { String r = s.substring(0,m.start()); s = s.substring(m.start()); if(ignoreWhitespace) r = r.trim(); return r; } else { // return everything left String r = s; s = ""; return r; } } public char peek() { return s.charAt(0); } private void trim() { if(ignoreWhitespace) s = s.trim(); } public int length() { return s.length(); } } Other Java examples (source code examples)Here is a short list of links related to this Java StringCutter.java source code file: |
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