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 FieldIdItem {
public static final int ITEM_SIZE = 8;
public static final int CLASS_OFFSET = 0;
public static final int TYPE_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 "field_id_item";
}
@Override
protected 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 typeIndex = dexFile.getBuffer().readUshort(out.getCursor());
out.annotate(2, "return_type_idx = %s", TypeIdItem.getReferenceAnnotation(dexFile, typeIndex));
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 fieldIndex) {
int fieldOffset = dexFile.getFieldSection().getOffset(fieldIndex);
int classIndex = dexFile.getBuffer().readUshort(fieldOffset + CLASS_OFFSET);
String classType = dexFile.getTypeSection().get(classIndex);
int typeIndex = dexFile.getBuffer().readUshort(fieldOffset + TYPE_OFFSET);
String fieldType = dexFile.getTypeSection().get(typeIndex);
int nameIndex = dexFile.getBuffer().readSmallUint(fieldOffset + NAME_OFFSET);
String fieldName = dexFile.getStringSection().get(nameIndex);
return String.format("%s->%s:%s", classType, fieldName, fieldType);
}
@Nonnull
public static String getReferenceAnnotation(@Nonnull DexBackedDexFile dexFile, int fieldIndex) {
try {
String fieldString = asString(dexFile, fieldIndex);
return String.format("field_id_item[%d]: %s", fieldIndex, fieldString);
} catch (Exception ex) {
ex.printStackTrace(System.err);
}
return String.format("field_id_item[%d]", fieldIndex);
}
public static String[] getFields(@Nonnull DexBackedDexFile dexFile) {
MapItem mapItem = dexFile.getMapItemForSection(ItemType.FIELD_ID_ITEM);
if (mapItem == null) {
return new String[0];
}
int fieldCount = mapItem.getItemCount();
String[] ret = new String[fieldCount];
for (int i=0; i<fieldCount; i++) {
ret[i] = asString(dexFile, i);
}
return ret;
}
}