| /* |
| * Copyright 2005-2006 Sun Microsystems, Inc. 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. Sun designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| * CA 95054 USA or visit www.sun.com if you need additional information or |
| * have any questions. |
| * |
| * THIS FILE WAS MODIFIED BY SUN MICROSYSTEMS, INC. |
| */ |
| |
| |
| package com.sun.xml.internal.fastinfoset.algorithm; |
| |
| import java.nio.CharBuffer; |
| import java.util.regex.Matcher; |
| import java.util.regex.Pattern; |
| import com.sun.xml.internal.org.jvnet.fastinfoset.EncodingAlgorithm; |
| import com.sun.xml.internal.org.jvnet.fastinfoset.EncodingAlgorithmException; |
| |
| public abstract class BuiltInEncodingAlgorithm implements EncodingAlgorithm { |
| protected final static Pattern SPACE_PATTERN = Pattern.compile("\\s"); |
| |
| public abstract int getPrimtiveLengthFromOctetLength(int octetLength) throws EncodingAlgorithmException; |
| |
| public abstract int getOctetLengthFromPrimitiveLength(int primitiveLength); |
| |
| public abstract void encodeToBytes(Object array, int astart, int alength, byte[] b, int start); |
| |
| public interface WordListener { |
| public void word(int start, int end); |
| } |
| |
| public void matchWhiteSpaceDelimnatedWords(CharBuffer cb, WordListener wl) { |
| Matcher m = SPACE_PATTERN.matcher(cb); |
| int i = 0; |
| int s = 0; |
| while(m.find()) { |
| s = m.start(); |
| if (s != i) { |
| wl.word(i, s); |
| } |
| i = m.end(); |
| } |
| if (i != cb.length()) |
| wl.word(i, cb.length()); |
| } |
| |
| public StringBuffer removeWhitespace(char[] ch, int start, int length) { |
| StringBuffer buf = new StringBuffer(); |
| int firstNonWS = 0; |
| int idx = 0; |
| for (; idx < length; ++idx) { |
| if (Character.isWhitespace(ch[idx + start])) { |
| if (firstNonWS < idx) { |
| buf.append(ch, firstNonWS + start, idx - firstNonWS); |
| } |
| firstNonWS = idx + 1; |
| } |
| } |
| if (firstNonWS < idx) { |
| buf.append(ch, firstNonWS + start, idx - firstNonWS); |
| } |
| return buf; |
| } |
| |
| } |