org.snapscript.dx.dex.file.MemberIdsSection Maven / Gradle / Ivy
/*
* Copyright (C) 2007 The Android Open Source Project
*
* 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.snapscript.dx.dex.file;
import org.snapscript.dx.util.DexException;
/**
* Member (field or method) refs list section of a {@code .dex} file.
*/
public abstract class MemberIdsSection extends UniformItemSection {
/** The largest addressable member is 0xffff, in the dex spec as field@CCCC or meth@CCCC. */
private static final int MAX_MEMBERS = 0x10000;
/**
* Constructs an instance. The file offset is initially unknown.
*
* @param name {@code null-ok;} the name of this instance, for annotation
* purposes
* @param file {@code non-null;} file that this instance is part of
*/
public MemberIdsSection(String name, DexFile file) {
super(name, file, 4);
}
/** {@inheritDoc} */
@Override
protected void orderItems() {
int idx = 0;
if (items().size() > MAX_MEMBERS) {
String memberType = this instanceof MethodIdsSection ? "methods" : "fields";
throw new DexException("Too many " + memberType + ": " + items().size()
+ "; max is " + MAX_MEMBERS);
}
for (Object i : items()) {
((MemberIdItem) i).setIndex(idx);
idx++;
}
}
}