private void ReadField(StoredFieldVisitor visitor, FieldInfo info, int bits)
{
int numeric = bits & Lucene40StoredFieldsWriter.FIELD_IS_NUMERIC_MASK;
if (numeric != 0)
{
switch (numeric)
{
case Lucene40StoredFieldsWriter.FIELD_IS_NUMERIC_INT:
visitor.IntField(info, FieldsStream.ReadInt());
return;
case Lucene40StoredFieldsWriter.FIELD_IS_NUMERIC_LONG:
visitor.LongField(info, FieldsStream.ReadLong());
return;
case Lucene40StoredFieldsWriter.FIELD_IS_NUMERIC_FLOAT:
visitor.FloatField(info, Number.IntBitsToFloat(FieldsStream.ReadInt()));
return;
case Lucene40StoredFieldsWriter.FIELD_IS_NUMERIC_DOUBLE:
visitor.DoubleField(info, BitConverter.Int64BitsToDouble(FieldsStream.ReadLong()));
return;
default:
throw new CorruptIndexException("Invalid numeric type: " + numeric.ToString("x"));
}
}
else
{
int length = FieldsStream.ReadVInt();
var bytes = new byte[length];
FieldsStream.ReadBytes(bytes, 0, length);
if ((bits & Lucene40StoredFieldsWriter.FIELD_IS_BINARY) != 0)
{
visitor.BinaryField(info, bytes);
}
else
{
visitor.StringField(info, IOUtils.CHARSET_UTF_8.GetString((byte[])(Array)bytes));
}
}
}
public override void VisitDocument(int n, StoredFieldVisitor visitor)
{
Debug.Assert(n >= 0 && n < MaxDoc);
@in.VisitDocument(n, visitor);
}
public override void VisitDocument(int n, StoredFieldVisitor visitor)
{
SeekIndex(n);
FieldsStream.Seek(IndexStream.ReadLong());
int numFields = FieldsStream.ReadVInt();
for (int fieldIDX = 0; fieldIDX < numFields; fieldIDX++)
{
int fieldNumber = FieldsStream.ReadVInt();
FieldInfo fieldInfo = FieldInfos.FieldInfo(fieldNumber);
int bits = FieldsStream.ReadByte() & 0xFF;
Debug.Assert(bits <= (Lucene40StoredFieldsWriter.FIELD_IS_NUMERIC_MASK | Lucene40StoredFieldsWriter.FIELD_IS_BINARY), "bits=" + bits.ToString("x"));
switch (visitor.NeedsField(fieldInfo))
{
case StoredFieldVisitor.Status.YES:
ReadField(visitor, fieldInfo, bits);
break;
case StoredFieldVisitor.Status.NO:
SkipField(bits);
break;
case StoredFieldVisitor.Status.STOP:
return;
}
}
}
