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/*
* Copyright 2012, Google LLC
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google LLC nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package com.android.tools.smali.dexlib2.dexbacked.value;
import com.android.tools.smali.dexlib2.base.value.BaseAnnotationEncodedValue;
import com.android.tools.smali.dexlib2.dexbacked.DexBackedAnnotationElement;
import com.android.tools.smali.dexlib2.dexbacked.DexBackedDexFile;
import com.android.tools.smali.dexlib2.dexbacked.DexBuffer;
import com.android.tools.smali.dexlib2.dexbacked.DexReader;
import com.android.tools.smali.dexlib2.dexbacked.util.VariableSizeSet;
import com.android.tools.smali.dexlib2.iface.value.AnnotationEncodedValue;
import javax.annotation.Nonnull;
import java.util.Set;
public class DexBackedAnnotationEncodedValue extends BaseAnnotationEncodedValue implements AnnotationEncodedValue {
@Nonnull public final DexBackedDexFile dexFile;
@Nonnull public final String type;
private final int elementCount;
private final int elementsOffset;
public DexBackedAnnotationEncodedValue(@Nonnull DexBackedDexFile dexFile, @Nonnull DexReader<? extends DexBuffer> reader) {
this.dexFile = dexFile;
this.type = dexFile.getTypeSection().get(reader.readSmallUleb128());
this.elementCount = reader.readSmallUleb128();
this.elementsOffset = reader.getOffset();
skipElements(reader, elementCount);
}
public static void skipFrom(@Nonnull DexReader<? extends DexBuffer> reader) {
reader.skipUleb128(); // type
int elementCount = reader.readSmallUleb128();
skipElements(reader, elementCount);
}
private static void skipElements(@Nonnull DexReader<? extends DexBuffer> reader, int elementCount) {
for (int i=0; i<elementCount; i++) {
reader.skipUleb128();
DexBackedEncodedValue.skipFrom(reader);
}
}
@Nonnull @Override public String getType() { return type; }
@Nonnull
@Override
public Set<? extends DexBackedAnnotationElement> getElements() {
return new VariableSizeSet<DexBackedAnnotationElement>(dexFile.getDataBuffer(), elementsOffset, elementCount) {
@Nonnull
@Override
protected DexBackedAnnotationElement readNextItem(@Nonnull DexReader<? extends DexBuffer> dexReader, int index) {
return new DexBackedAnnotationElement(dexFile, dexReader);
}
};
}
}
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