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/*******************************************************************************
* Copyright (c) 2015 Jeff Martin.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the GNU Lesser General Public
* License v3.0 which accompanies this distribution, and is available at
* http://www.gnu.org/licenses/lgpl.html
* <p>
* Contributors:
* Jeff Martin - initial API and implementation
******************************************************************************/
package cuchaz.enigma.analysis;
import cuchaz.enigma.mapping.entry.ClassEntry;
import cuchaz.enigma.mapping.entry.Entry;
import cuchaz.enigma.mapping.entry.MethodEntry;
import cuchaz.enigma.utils.Utils;
import java.util.Arrays;
import java.util.List;
public class EntryReference<E extends Entry, C extends Entry> {
private static final List<String> CONSTRUCTOR_NON_NAMES = Arrays.asList("this", "super", "static");
public E entry;
public C context;
private boolean sourceName;
public EntryReference(E entry, String sourceName) {
this(entry, sourceName, null);
}
public EntryReference(E entry, String sourceName, C context) {
if (entry == null) {
throw new IllegalArgumentException("Entry cannot be null!");
}
this.entry = entry;
this.context = context;
this.sourceName = sourceName != null && !sourceName.isEmpty();
if (entry instanceof MethodEntry && ((MethodEntry) entry).isConstructor() && CONSTRUCTOR_NON_NAMES.contains(sourceName)) {
this.sourceName = false;
}
}
public EntryReference(E entry, C context, EntryReference<E, C> other) {
this.entry = entry;
this.context = context;
this.sourceName = other.sourceName;
}
public ClassEntry getLocationClassEntry() {
if (context != null) {
return context.getOwnerClassEntry();
}
return entry.getOwnerClassEntry();
}
public boolean isNamed() {
return this.sourceName;
}
public Entry getNameableEntry() {
if (entry instanceof MethodEntry && ((MethodEntry) entry).isConstructor()) {
// renaming a constructor really means renaming the class
return entry.getOwnerClassEntry();
}
return entry;
}
public String getNameableName() {
if (getNameableEntry() instanceof ClassEntry) {
ClassEntry classEntry = (ClassEntry) getNameableEntry();
if (classEntry.isInnerClass()) {
// make sure we only rename the inner class name
return classEntry.getInnermostClassName();
}
}
return getNameableEntry().getName();
}
@Override
public int hashCode() {
if (context != null) {
return Utils.combineHashesOrdered(entry.hashCode(), context.hashCode());
}
return entry.hashCode();
}
@Override
public boolean equals(Object other) {
return other instanceof EntryReference && equals((EntryReference<?, ?>) other);
}
public boolean equals(EntryReference<?, ?> other) {
// check entry first
boolean isEntrySame = entry.equals(other.entry);
if (!isEntrySame) {
return false;
}
// check caller
if (context == null && other.context == null) {
return true;
} else if (context != null && other.context != null) {
return context.equals(other.context);
}
return false;
}
@Override
public String toString() {
StringBuilder buf = new StringBuilder();
buf.append(entry);
if (context != null) {
buf.append(" called from ");
buf.append(context);
}
return buf.toString();
}
}
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