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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
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* Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
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* The contents of this file are subject to the terms of either the GNU
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* General Public License Version 2 only ("GPL") or the Common
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* Development and Distribution License("CDDL") (collectively, the
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* "License"). You may not use this file except in compliance with the
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* License. You can obtain a copy of the License at
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* http://www.netbeans.org/cddl-gplv2.html
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* or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
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* specific language governing permissions and limitations under the
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* License. When distributing the software, include this License Header
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* Notice in each file and include the License file at
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* nbbuild/licenses/CDDL-GPL-2-CP. Sun designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Sun in the GPL Version 2 section of the License file that
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* accompanied this code. If applicable, add the following below the
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* License Header, with the fields enclosed by brackets [] replaced by
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* your own identifying information:
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* "Portions Copyrighted [year] [name of copyright owner]"
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* The Original Software is NetBeans. The Initial Developer of the Original
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* Software is Sun Microsystems, Inc. Portions Copyright 1997-2007 Sun
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* Microsystems, Inc. All Rights Reserved.
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* If you wish your version of this file to be governed by only the CDDL
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* "[Contributor] elects to include this software in this distribution
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* under the [CDDL or GPL Version 2] license." If you do not indicate a
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* your version of this file under either the CDDL, the GPL Version 2 or
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* to extend the choice of license to its licensees as provided above.
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* However, if you add GPL Version 2 code and therefore, elected the GPL
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* made subject to such option by the copyright holder.
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package org.netbeans.lib.lexer.batch;
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import java.io.Reader;
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import org.netbeans.api.lexer.Language;
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import org.netbeans.lib.lexer.LexerInputOperation;
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import org.netbeans.api.lexer.InputAttributes;
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import org.netbeans.api.lexer.TokenId;
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import org.netbeans.lib.lexer.TokenHierarchyOperation;
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* Token list for situation when the input text must be copied.
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* It works together with SkimTokenList instances that act
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* as a filter over this token list.
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* @author Miloslav Metelka
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public final class CopyTextTokenList<T extends TokenId> extends BatchTokenList<T> {
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/** Either reader or char sequence */
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private final Object input;
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public CopyTextTokenList(TokenHierarchyOperation<?,T> tokenHierarchyOperation, Reader inputReader,
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Language<T> language, Set<T> skipTokenIds, InputAttributes inputAttributes) {
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super(tokenHierarchyOperation, language, skipTokenIds, inputAttributes);
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this.input = inputReader;
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public CopyTextTokenList(TokenHierarchyOperation<?,T> tokenHierarchyOperation, CharSequence inputText,
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Language<T> language, Set<T> skipTokenIds, InputAttributes inputAttributes) {
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super(tokenHierarchyOperation, language, skipTokenIds, inputAttributes);
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this.input = inputText;
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public int childTokenOffset(int rawOffset) {
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// Cluster should be used so this method should never be called
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throwShouldNeverBeCalled();
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return 0; // never reached
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public char childTokenCharAt(int rawOffset, int index) {
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// Cluster should be used so this method should never be called
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throwShouldNeverBeCalled();
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return ' '; // never reached
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private void throwShouldNeverBeCalled() {
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throw new IllegalStateException("Should never be called"); // NOI18N
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protected LexerInputOperation<T> createLexerInputOperation() {
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return (input instanceof Reader)
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? new SkimLexerInputOperation<T>(this, (Reader)input)
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: new SkimLexerInputOperation<T>(this, (CharSequence)input);