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f10d1a3598
git-svn-id: https://smali.googlecode.com/svn/trunk@2 55b6fa8a-2a1e-11de-a435-ffa8d773f76a
80 lines
3.2 KiB
Java
80 lines
3.2 KiB
Java
/*
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* [The "BSD licence"]
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* Copyright (c) 2009 Ben Gruver
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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package org.JesusFreke.dexlib;
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import org.JesusFreke.dexlib.util.Output;
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import org.JesusFreke.dexlib.util.Input;
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public class IndexedItemReference<T extends IndexedItem<T>> extends
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ItemReference<T,IndexedItemReference<T>> implements Comparable<IndexedItemReference<T>> {
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private final CachedIntegerValueField underlyingField;
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public IndexedItemReference(IndexedSection<T> section, CachedIntegerValueField underlyingField) {
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super(section);
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this.underlyingField = underlyingField;
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}
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public IndexedItemReference(DexFile dexFile, T item, CachedIntegerValueField underlyingField) {
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super(dexFile, item);
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this.underlyingField = underlyingField;
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}
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public void writeTo(Output out) {
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T item = getReference();
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if (item != null && !item.isPlaced()) {
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throw new RuntimeException("Trying to write a reference to an item that hasn't been placed.");
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}
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underlyingField.writeTo(out);
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}
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public void readFrom(Input in) {
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underlyingField.readFrom(in);
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if (underlyingField.getCachedValue() != -1) {
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setReference(getSection().getByIndex(underlyingField.getCachedValue()));
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}
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}
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public IndexedSection<T> getSection() {
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return (IndexedSection<T>)super.getSection();
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}
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public int place(int offset) {
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if (getReference() != null) {
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underlyingField.cacheValue(getReference().getIndex());
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} else {
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underlyingField.cacheValue(-1);
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}
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return underlyingField.place(offset);
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}
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public int compareTo(IndexedItemReference<T> o) {
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return getReference().compareTo(o.getReference());
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}
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}
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