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/*
* 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;
}
}
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