1 files changed, 62 insertions, 0 deletions
diff --git a/javaparser-core/src/main/java/com/github/javaparser/printer/lexicalpreservation/TextElement.java b/javaparser-core/src/main/java/com/github/javaparser/printer/lexicalpreservation/TextElement.java
new file mode 100644
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+++ b/javaparser-core/src/main/java/com/github/javaparser/printer/lexicalpreservation/TextElement.java
@@ -0,0 +1,62 @@
+/*
+ * Copyright (C) 2007-2010 Júlio Vilmar Gesser.
+ * Copyright (C) 2011, 2013-2016 The JavaParser Team.
+ *
+ * This file is part of JavaParser.
+ *
+ * JavaParser can be used either under the terms of
+ * a) the GNU Lesser General Public License as published by
+ *     the Free Software Foundation, either version 3 of the License, or
+ *     (at your option) any later version.
+ * b) the terms of the Apache License
+ *
+ * You should have received a copy of both licenses in LICENCE.LGPL and
+ * LICENCE.APACHE. Please refer to those files for details.
+ *
+ * JavaParser 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 Lesser General Public License for more details.
+ */
+
+package com.github.javaparser.printer.lexicalpreservation;
+
+import com.github.javaparser.GeneratedJavaParserConstants;
+import com.github.javaparser.ast.Node;
+
+public abstract class TextElement implements TextElementMatcher {
+
+    abstract String expand();
+
+    abstract boolean isToken(int tokenKind);
+
+    final boolean isCommentToken() {
+        return isToken(GeneratedJavaParserConstants.JAVADOC_COMMENT)
+                || isToken(GeneratedJavaParserConstants.SINGLE_LINE_COMMENT)
+                || isToken(GeneratedJavaParserConstants.MULTI_LINE_COMMENT);
+    }
+
+    @Override
+    public boolean match(TextElement textElement) {
+        return this.equals(textElement);
+    }
+
+    abstract boolean isNode(Node node);
+
+    public abstract boolean isWhiteSpace();
+
+    public abstract boolean isSpaceOrTab();
+
+    public abstract boolean isNewline();
+
+    public abstract boolean isComment();
+
+    public final boolean isWhiteSpaceOrComment() {
+        return isWhiteSpace() || isComment();
+    }
+
+    /**
+     * Is this TextElement representing a child of the given class?
+     */
+    public abstract boolean isChildOfClass(Class<? extends Node> nodeClass);
+}