1 /* 2 * Copyright (C) 2007-2010 Jlio Vilmar Gesser. 3 * Copyright (C) 2011, 2013-2016 The JavaParser Team. 4 * 5 * This file is part of JavaParser. 6 * 7 * JavaParser can be used either under the terms of 8 * a) the GNU Lesser General Public License as published by 9 * the Free Software Foundation, either version 3 of the License, or 10 * (at your option) any later version. 11 * b) the terms of the Apache License 12 * 13 * You should have received a copy of both licenses in LICENCE.LGPL and 14 * LICENCE.APACHE. Please refer to those files for details. 15 * 16 * JavaParser is distributed in the hope that it will be useful, 17 * but WITHOUT ANY WARRANTY; without even the implied warranty of 18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 19 * GNU Lesser General Public License for more details. 20 */ 21 22 package com.github.javaparser.printer.lexicalpreservation; 23 24 import com.github.javaparser.GeneratedJavaParserConstants; 25 import com.github.javaparser.ast.Node; 26 27 public abstract class TextElement implements TextElementMatcher { 28 29 abstract String expand(); 30 31 abstract boolean isToken(int tokenKind); 32 33 final boolean isCommentToken() { 34 return isToken(GeneratedJavaParserConstants.JAVADOC_COMMENT) 35 || isToken(GeneratedJavaParserConstants.SINGLE_LINE_COMMENT) 36 || isToken(GeneratedJavaParserConstants.MULTI_LINE_COMMENT); 37 } 38 39 @Override 40 public boolean match(TextElement textElement) { 41 return this.equals(textElement); 42 } 43 44 abstract boolean isNode(Node node); 45 46 public abstract boolean isWhiteSpace(); 47 48 public abstract boolean isSpaceOrTab(); 49 50 public abstract boolean isNewline(); 51 52 public abstract boolean isComment(); 53 54 public final boolean isWhiteSpaceOrComment() { 55 return isWhiteSpace() || isComment(); 56 } 57 58 /** 59 * Is this TextElement representing a child of the given class? 60 */ 61 public abstract boolean isChildOfClass(Class<? extends Node> nodeClass); 62 } 63