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Make sure the elements are sorted in an encoded annotation

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This commit is contained in:
Ben Gruver 2015-03-16 20:36:34 -07:00 committed by Connor Tumbleson
parent 757e1dac45
commit eb3b01f318
4 changed files with 57 additions and 5 deletions
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4
brut.apktool.smali/dexlib2/src/main/java/org/jf/dexlib2/iface/Annotation.java
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@ -55,7 +55,7 @@ public interface Annotation extends BasicAnnotation, Comparable<Annotation> {
*
* @return The type of this annotation
*/
@Nonnull String getType();
@Nonnull @Override String getType();
/**
* Gets a set of the name/value elements associated with this annotation.
@ -64,7 +64,7 @@ public interface Annotation extends BasicAnnotation, Comparable<Annotation> {
*
* @return A set of AnnotationElements
*/
@Nonnull Set<? extends AnnotationElement> getElements();
@Nonnull @Override Set<? extends AnnotationElement> getElements();
/**
* Returns a hashcode for this Annotation.

1
brut.apktool.smali/dexlib2/src/main/java/org/jf/dexlib2/writer/DexWriter.java
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@ -572,7 +572,6 @@ public abstract class DexWriter<
}
}
private void writeAnnotationSets(@Nonnull DexDataWriter writer) throws IOException {
writer.align();
annotationSetSectionOffset = writer.getPosition();

11
brut.apktool.smali/dexlib2/src/main/java/org/jf/dexlib2/writer/EncodedValueWriter.java
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@ -31,7 +31,9 @@
package org.jf.dexlib2.writer;
import com.google.common.collect.Ordering;
import org.jf.dexlib2.ValueType;
import org.jf.dexlib2.base.BaseAnnotationElement;
import org.jf.dexlib2.iface.reference.FieldReference;
import org.jf.dexlib2.iface.reference.MethodReference;
@ -40,7 +42,8 @@ import java.io.IOException;
import java.util.Collection;
public abstract class EncodedValueWriter<StringKey, TypeKey, FieldRefKey extends FieldReference,
MethodRefKey extends MethodReference, AnnotationElement, EncodedValue> {
MethodRefKey extends MethodReference, AnnotationElement extends org.jf.dexlib2.iface.AnnotationElement,
EncodedValue> {
@Nonnull private final DexDataWriter writer;
@Nonnull private final StringSection<StringKey, ?> stringSection;
@Nonnull private final TypeSection<?, TypeKey, ?> typeSection;
@ -70,7 +73,11 @@ public abstract class EncodedValueWriter<StringKey, TypeKey, FieldRefKey extends
writer.writeEncodedValueHeader(ValueType.ANNOTATION, 0);
writer.writeUleb128(typeSection.getItemIndex(annotationType));
writer.writeUleb128(elements.size());
for (AnnotationElement element: elements) {
Collection<? extends AnnotationElement> sortedElements = Ordering.from(BaseAnnotationElement.BY_NAME)
.immutableSortedCopy(elements);
for (AnnotationElement element: sortedElements) {
writer.writeUleb128(stringSection.getItemIndex(annotationSection.getElementName(element)));
writeEncodedValue(annotationSection.getElementValue(element));
}

46
brut.apktool.smali/dexlib2/src/test/java/org/jf/dexlib2/writer/DexWriterTest.java
View File

@ -41,10 +41,12 @@ import org.jf.dexlib2.dexbacked.DexBackedDexFile;
import org.jf.dexlib2.iface.Annotation;
import org.jf.dexlib2.iface.AnnotationElement;
import org.jf.dexlib2.iface.ClassDef;
import org.jf.dexlib2.iface.value.AnnotationEncodedValue;
import org.jf.dexlib2.immutable.ImmutableAnnotation;
import org.jf.dexlib2.immutable.ImmutableAnnotationElement;
import org.jf.dexlib2.immutable.ImmutableClassDef;
import org.jf.dexlib2.immutable.ImmutableDexFile;
import org.jf.dexlib2.immutable.value.ImmutableAnnotationEncodedValue;
import org.jf.dexlib2.immutable.value.ImmutableNullEncodedValue;
import org.jf.dexlib2.writer.io.MemoryDataStore;
import org.jf.dexlib2.writer.pool.DexPool;
@ -87,4 +89,48 @@ public class DexWriterTest {
Assert.assertEquals("blah", dbElements.get(0).getName());
Assert.assertEquals("zabaglione", dbElements.get(1).getName());
}
@Test
public void testEncodedAnnotationElementOrder() {
// Elements are out of order wrt to the element name
ImmutableSet<ImmutableAnnotationElement> encodedElements =
ImmutableSet.of(new ImmutableAnnotationElement("zabaglione", ImmutableNullEncodedValue.INSTANCE),
new ImmutableAnnotationElement("blah", ImmutableNullEncodedValue.INSTANCE));
ImmutableAnnotationEncodedValue encodedAnnotations =
new ImmutableAnnotationEncodedValue("Lan/encoded/annotation", encodedElements);
ImmutableSet<ImmutableAnnotationElement> elements =
ImmutableSet.of(new ImmutableAnnotationElement("encoded_annotation", encodedAnnotations));
ImmutableAnnotation annotation = new ImmutableAnnotation(AnnotationVisibility.RUNTIME,
"Lorg/test/anno;", elements);
ImmutableClassDef classDef = new ImmutableClassDef("Lorg/test/blah;",
0, "Ljava/lang/Object;", null, null, ImmutableSet.of(annotation), null, null);
MemoryDataStore dataStore = new MemoryDataStore();
try {
DexPool.writeTo(dataStore, new ImmutableDexFile(ImmutableSet.of(classDef)));
} catch (IOException ex) {
throw new RuntimeException(ex);
}
DexBackedDexFile dexFile = new DexBackedDexFile(new Opcodes(15, false), dataStore.getData());
ClassDef dbClassDef = Iterables.getFirst(dexFile.getClasses(), null);
Assert.assertNotNull(dbClassDef);
Annotation dbAnnotation = Iterables.getFirst(dbClassDef.getAnnotations(), null);
Assert.assertNotNull(dbAnnotation);
AnnotationElement element = Iterables.getFirst(dbAnnotation.getElements(), null);
AnnotationEncodedValue dbAnnotationEncodedValue = (AnnotationEncodedValue)element.getValue();
List<AnnotationElement> dbElements = Lists.newArrayList(dbAnnotationEncodedValue.getElements());
// Ensure that the elements were written out in sorted order
Assert.assertEquals(2, dbElements.size());
Assert.assertEquals("blah", dbElements.get(0).getName());
Assert.assertEquals("zabaglione", dbElements.get(1).getName());
}
}