1 files changed, 79 insertions, 0 deletions
diff --git a/javaparser-core/src/main/java/com/github/javaparser/printer/concretesyntaxmodel/CsmAttribute.java b/javaparser-core/src/main/java/com/github/javaparser/printer/concretesyntaxmodel/CsmAttribute.java
new file mode 100644
index 000000000..b44672de2
--- /dev/null
+++ b/javaparser-core/src/main/java/com/github/javaparser/printer/concretesyntaxmodel/CsmAttribute.java
@@ -0,0 +1,79 @@
+/*
+ * 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.concretesyntaxmodel;
+
+import com.github.javaparser.GeneratedJavaParserConstants;
+import com.github.javaparser.ast.Node;
+import com.github.javaparser.ast.expr.IntegerLiteralExpr;
+import com.github.javaparser.ast.observer.ObservableProperty;
+import com.github.javaparser.printer.SourcePrinter;
+
+public class CsmAttribute implements CsmElement {
+    public ObservableProperty getProperty() {
+        return property;
+    }
+
+    private final ObservableProperty property;
+
+    public CsmAttribute(ObservableProperty property) {
+        this.property = property;
+    }
+
+    @Override
+    public void prettyPrint(Node node, SourcePrinter printer) {
+        Object value = property.getRawValue(node);
+        printer.print(PrintingHelper.printToString(value));
+    }
+
+    /**
+     * Obtain the token type corresponding to the specific value of the attribute.
+     * For example, to the attribute "Operator" different token could correspond like PLUS or MINUS.
+     */
+    public int getTokenType(Node node, String text) {
+        switch (property) {
+            case IDENTIFIER:
+                return GeneratedJavaParserConstants.IDENTIFIER;
+            case TYPE:
+                String expectedImage = "\"" + text.toLowerCase() + "\"";
+                for (int i=0;i<GeneratedJavaParserConstants.tokenImage.length;i++) {
+                    if (GeneratedJavaParserConstants.tokenImage[i].equals(expectedImage)) {
+                        return i;
+                    }
+                }
+                throw new RuntimeException("Attribute 'type' does not corresponding to any expected value. Text: " + text);
+            case OPERATOR:
+                try {
+                    return (Integer)(GeneratedJavaParserConstants.class.getDeclaredField(text).get(null));
+                } catch (IllegalAccessException|NoSuchFieldException e) {
+                    throw new RuntimeException("Attribute 'operator' does not corresponding to any expected value. Text: " + text, e);
+                }
+            case VALUE:
+                if (node instanceof IntegerLiteralExpr) {
+                    return GeneratedJavaParserConstants.INTEGER_LITERAL;
+                }
+            case NAME:
+                return GeneratedJavaParserConstants.IDENTIFIER;
+        }
+        throw new UnsupportedOperationException("getTokenType does not know how to handle property "
+                + property + " with text: " + text);
+    }
+}