package org.jf.dexlib2.dexbacked.raw;
import org.jf.dexlib2.dexbacked.DexBackedDexFile;
import org.jf.dexlib2.dexbacked.raw.util.DexAnnotator;
import org.jf.dexlib2.util.AnnotatedBytes;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
public class MethodIdItem {
public static final int ITEM_SIZE = 8;
public static final int CLASS_OFFSET = 0;
public static final int PROTO_OFFSET = 2;
public static final int NAME_OFFSET = 4;
@Nonnull
public static SectionAnnotator makeAnnotator(@Nonnull DexAnnotator annotator, @Nonnull MapItem mapItem) {
return new SectionAnnotator(annotator, mapItem) {
@Nonnull @Override public String getItemName() {
return "method_id_item";
}
@Override
public void annotateItem(@Nonnull AnnotatedBytes out, int itemIndex, @Nullable String itemIdentity) {
int classIndex = dexFile.getBuffer().readUshort(out.getCursor());
out.annotate(2, "class_idx = %s", TypeIdItem.getReferenceAnnotation(dexFile, classIndex));
int protoIndex = dexFile.getBuffer().readUshort(out.getCursor());
out.annotate(2, "proto_idx = %s", ProtoIdItem.getReferenceAnnotation(dexFile, protoIndex));
int nameIndex = dexFile.getBuffer().readSmallUint(out.getCursor());
out.annotate(4, "name_idx = %s", StringIdItem.getReferenceAnnotation(dexFile, nameIndex));
}
};
}
@Nonnull
public static String asString(@Nonnull DexBackedDexFile dexFile, int methodIndex) {
int methodOffset = dexFile.getMethodSection().getOffset(methodIndex);
int classIndex = dexFile.getBuffer().readUshort(methodOffset + CLASS_OFFSET);
String classType = dexFile.getTypeSection().get(classIndex);
int protoIndex = dexFile.getBuffer().readUshort(methodOffset + PROTO_OFFSET);
String protoString = ProtoIdItem.asString(dexFile, protoIndex);
int nameIndex = dexFile.getBuffer().readSmallUint(methodOffset + NAME_OFFSET);
String methodName = dexFile.getStringSection().get(nameIndex);
return String.format("%s->%s%s", classType, methodName, protoString);
}
@Nonnull
public static String getReferenceAnnotation(@Nonnull DexBackedDexFile dexFile, int methodIndex) {
try {
String methodString = asString(dexFile, methodIndex);
return String.format("method_id_item[%d]: %s", methodIndex, methodString);
} catch (Exception ex) {
ex.printStackTrace(System.err);
}
return String.format("method_id_item[%d]", methodIndex);
}
public static String[] getMethods(@Nonnull DexBackedDexFile dexFile) {
MapItem mapItem = dexFile.getMapItemForSection(ItemType.METHOD_ID_ITEM);
if (mapItem == null) {
return new String[0];
}
int methodCount = mapItem.getItemCount();
String[] ret = new String[methodCount];
for (int i=0; i<methodCount; i++) {
ret[i] = asString(dexFile, i);
}
return ret;
}
}