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 ProtoIdItem {
public static final int ITEM_SIZE = 12;
public static final int SHORTY_OFFSET = 0;
public static final int RETURN_TYPE_OFFSET = 4;
public static final int PARAMETERS_OFFSET = 8;
@Nonnull
public static SectionAnnotator makeAnnotator(@Nonnull DexAnnotator annotator, @Nonnull MapItem mapItem) {
return new SectionAnnotator(annotator, mapItem) {
@Nonnull @Override public String getItemName() {
return "proto_id_item";
}
@Override
protected void annotateItem(@Nonnull AnnotatedBytes out, int itemIndex, @Nullable String itemIdentity) {
int shortyIndex = dexFile.getBuffer().readSmallUint(out.getCursor());
out.annotate(4, "shorty_idx = %s", StringIdItem.getReferenceAnnotation(dexFile, shortyIndex));
int returnTypeIndex = dexFile.getBuffer().readSmallUint(out.getCursor());
out.annotate(4, "return_type_idx = %s", TypeIdItem.getReferenceAnnotation(dexFile, returnTypeIndex));
int parametersOffset = dexFile.getBuffer().readSmallUint(out.getCursor());
out.annotate(4, "parameters_off = %s", TypeListItem.getReferenceAnnotation(dexFile, parametersOffset));
}
};
}
@Nonnull
public static String getReferenceAnnotation(@Nonnull DexBackedDexFile dexFile, int protoIndex) {
try {
String protoString = asString(dexFile, protoIndex);
return String.format("proto_id_item[%d]: %s", protoIndex, protoString);
} catch (Exception ex) {
ex.printStackTrace(System.err);
}
return String.format("proto_id_item[%d]", protoIndex);
}
@Nonnull
public static String asString(@Nonnull DexBackedDexFile dexFile, int protoIndex) {
int offset = dexFile.getProtoSection().getOffset(protoIndex);
StringBuilder sb = new StringBuilder();
sb.append("(");
int parametersOffset = dexFile.getBuffer().readSmallUint(offset + PARAMETERS_OFFSET);
sb.append(TypeListItem.asString(dexFile, parametersOffset));
sb.append(")");
int returnTypeIndex = dexFile.getBuffer().readSmallUint(offset + RETURN_TYPE_OFFSET);
String returnType = dexFile.getTypeSection().get(returnTypeIndex);
sb.append(returnType);
return sb.toString();
}
public static String[] getProtos(@Nonnull DexBackedDexFile dexFile) {
MapItem mapItem = dexFile.getMapItemForSection(ItemType.PROTO_ID_ITEM);
if (mapItem == null) {
return new String[0];
}
int protoCount = mapItem.getItemCount();
String[] ret = new String[protoCount];
for (int i=0; i<protoCount; i++) {
ret[i] = asString(dexFile, i);
}
return ret;
}
}