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