1 files changed, 143 insertions, 0 deletions
diff --git a/plugins/java-decompiler/engine/src/org/jetbrains/java/decompiler/modules/renamer/ConverterHelper.java b/plugins/java-decompiler/engine/src/org/jetbrains/java/decompiler/modules/renamer/ConverterHelper.java
new file mode 100644
index 000000000000..f2cb1ec0e657
--- /dev/null
+++ b/plugins/java-decompiler/engine/src/org/jetbrains/java/decompiler/modules/renamer/ConverterHelper.java
@@ -0,0 +1,143 @@
+/*
+ * Copyright 2000-2014 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.jetbrains.java.decompiler.modules.renamer;
+
+import org.jetbrains.java.decompiler.main.extern.IIdentifierRenamer;
+
+import java.util.HashSet;
+
+public class ConverterHelper implements IIdentifierRenamer {
+
+  private static HashSet<String> setReserved = new HashSet<String>();
+
+  static {
+    setReserved.add("abstract");
+    setReserved.add("do");
+    setReserved.add("if");
+    setReserved.add("package");
+    setReserved.add("synchronized");
+    setReserved.add("boolean");
+    setReserved.add("double");
+    setReserved.add("implements");
+    setReserved.add("private");
+    setReserved.add("this");
+    setReserved.add("break");
+    setReserved.add("else");
+    setReserved.add("import");
+    setReserved.add("protected");
+    setReserved.add("throw");
+    setReserved.add("byte");
+    setReserved.add("extends");
+    setReserved.add("instanceof");
+    setReserved.add("public");
+    setReserved.add("throws");
+    setReserved.add("case");
+    setReserved.add("false");
+    setReserved.add("int");
+    setReserved.add("return");
+    setReserved.add("transient");
+    setReserved.add("catch");
+    setReserved.add("final");
+    setReserved.add("interface");
+    setReserved.add("short");
+    setReserved.add("true");
+    setReserved.add("char");
+    setReserved.add("finally");
+    setReserved.add("long");
+    setReserved.add("static");
+    setReserved.add("try");
+    setReserved.add("class");
+    setReserved.add("float");
+    setReserved.add("native");
+    setReserved.add("strictfp");
+    setReserved.add("void");
+    setReserved.add("const");
+    setReserved.add("for");
+    setReserved.add("new");
+    setReserved.add("super");
+    setReserved.add("volatile");
+    setReserved.add("continue");
+    setReserved.add("goto");
+    setReserved.add("null");
+    setReserved.add("switch");
+    setReserved.add("while");
+    setReserved.add("default");
+    setReserved.add("assert");
+    setReserved.add("enum");
+  }
+
+  private int class_counter = 0;
+
+  private int field_counter = 0;
+
+  private int method_counter = 0;
+
+  private HashSet<String> setNonStandardClassNames = new HashSet<String>();
+
+  public boolean toBeRenamed(int element_type, String classname, String element, String descriptor) {
+    String value = (element_type == IIdentifierRenamer.ELEMENT_CLASS) ? classname : element;
+    return value == null || value.length() == 0 || value.length() <= 2 || setReserved.contains(value) || Character.isDigit(value.charAt(0));
+  }
+
+  // TODO: consider possible conflicts with not renamed classes, fields and methods!
+  // We should get all relevant information here.
+  public String getNextClassname(String fullname, String shortname) {
+
+    if (shortname == null) {
+      return "class_" + (class_counter++);
+    }
+
+    int index = 0;
+    while (Character.isDigit(shortname.charAt(index))) {
+      index++;
+    }
+
+    if (index == 0 || index == shortname.length()) {
+      return "class_" + (class_counter++);
+    }
+    else {
+      String name = shortname.substring(index);
+
+      if (setNonStandardClassNames.contains(name)) {
+        return "Inner" + name + "_" + (class_counter++);
+      }
+      else {
+        setNonStandardClassNames.add(name);
+        return "Inner" + name;
+      }
+    }
+  }
+
+  public String getNextFieldname(String classname, String field, String descriptor) {
+    return "field_" + (field_counter++);
+  }
+
+  public String getNextMethodname(String classname, String method, String descriptor) {
+    return "method_" + (method_counter++);
+  }
+
+  // *****************************************************************************
+  // static methods
+  // *****************************************************************************
+
+  public static String getSimpleClassName(String fullname) {
+    return fullname.substring(fullname.lastIndexOf('/') + 1);
+  }
+
+  public static String replaceSimpleClassName(String fullname, String newname) {
+    return fullname.substring(0, fullname.lastIndexOf('/') + 1) + newname;
+  }
+}