def deserialize(buf=nil, opts={})
if buf.is_a? String
@buf = ByteBuffer.new(buf.unpack("C*")) if buf
else
@buf = ByteBuffer.new(buf.to_a) if buf
end
@buf.rewind
@buf.get_int
doc = BSON::OrderedHash.new
while @buf.more?
type = @buf.get
case type
when STRING, CODE
key = deserialize_cstr(@buf)
doc[key] = deserialize_string_data(@buf)
when SYMBOL
key = deserialize_cstr(@buf)
doc[key] = deserialize_string_data(@buf).intern
when NUMBER
key = deserialize_cstr(@buf)
doc[key] = deserialize_number_data(@buf)
when NUMBER_INT
key = deserialize_cstr(@buf)
doc[key] = deserialize_number_int_data(@buf)
when NUMBER_LONG
key = deserialize_cstr(@buf)
doc[key] = deserialize_number_long_data(@buf)
when OID
key = deserialize_cstr(@buf)
doc[key] = deserialize_oid_data(@buf)
when ARRAY
key = deserialize_cstr(@buf)
doc[key] = deserialize_array_data(@buf, opts)
when REGEX
key = deserialize_cstr(@buf)
doc[key] = deserialize_regex_data(@buf, opts)
when OBJECT
key = deserialize_cstr(@buf)
doc[key] = deserialize_object_data(@buf, opts)
when BOOLEAN
key = deserialize_cstr(@buf)
doc[key] = deserialize_boolean_data(@buf)
when DATE
key = deserialize_cstr(@buf)
doc[key] = deserialize_date_data(@buf)
when NULL
key = deserialize_cstr(@buf)
doc[key] = nil
when UNDEFINED
key = deserialize_cstr(@buf)
doc[key] = nil
when REF
key = deserialize_cstr(@buf)
doc[key] = deserialize_dbref_data(@buf)
when BINARY
key = deserialize_cstr(@buf)
doc[key] = deserialize_binary_data(@buf)
when CODE_W_SCOPE
key = deserialize_cstr(@buf)
doc[key] = deserialize_code_w_scope_data(@buf)
when TIMESTAMP
key = deserialize_cstr(@buf)
doc[key] = deserialize_timestamp_data(@buf)
when MAXKEY
key = deserialize_cstr(@buf)
doc[key] = MaxKey.new
when MINKEY, 255
key = deserialize_cstr(@buf)
doc[key] = MinKey.new
when EOO
break
else
raise "Unknown type #{type}, key = #{key}"
end
end
@buf.rewind
doc
end