95 lines
3.4 KiB
Java
95 lines
3.4 KiB
Java
/*
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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.Arrays;
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import java.util.HashSet;
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import java.util.Set;
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public class ConverterHelper implements IIdentifierRenamer {
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private static final Set<String> KEYWORDS = new HashSet<String>(Arrays.asList(
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"abstract", "do", "if", "package", "synchronized", "boolean", "double", "implements", "private", "this", "break", "else", "import",
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"protected", "throw", "byte", "extends", "instanceof", "public", "throws", "case", "false", "int", "return", "transient", "catch",
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"final", "interface", "short", "true", "char", "finally", "long", "static", "try", "class", "float", "native", "strictfp", "void",
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"const", "for", "new", "super", "volatile", "continue", "goto", "null", "switch", "while", "default", "assert", "enum"));
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private int classCounter = 0;
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private int fieldCounter = 0;
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private int methodCounter = 0;
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private Set<String> setNonStandardClassNames = new HashSet<String>();
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@Override
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public boolean toBeRenamed(Type elementType, String className, String element, String descriptor) {
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String value = elementType == Type.ELEMENT_CLASS ? className : element;
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return value == null || value.length() == 0 || value.length() <= 2 || KEYWORDS.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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@Override
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public String getNextClassName(String fullName, String shortName) {
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if (shortName == null) {
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return "class_" + (classCounter++);
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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_" + (classCounter++);
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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 + "_" + (classCounter++);
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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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@Override
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public String getNextFieldName(String className, String field, String descriptor) {
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return "field_" + (fieldCounter++);
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}
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@Override
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public String getNextMethodName(String className, String method, String descriptor) {
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return "method_" + (methodCounter++);
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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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