FieldParser::FieldState FieldParser::extract(BSONObj doc, const BSONField<OID>& field, OID* out, string* errMsg) { BSONElement elem = doc[field.name()]; if (elem.eoo()) { if (field.hasDefault()) { *out = field.getDefault(); return FIELD_DEFAULT; } else { return FIELD_NONE; } } if (elem.type() == jstOID) { *out = elem.__oid(); return FIELD_SET; } _genFieldErrMsg(doc, field, "OID", errMsg); return FIELD_INVALID; }
FieldParser::FieldState FieldParser::extractNumber(BSONObj doc, const BSONField<int>& field, int* out, string* errMsg) { BSONElement elem = doc[field.name()]; if (elem.eoo()) { if (field.hasDefault()) { *out = field.getDefault(); return FIELD_DEFAULT; } else { return FIELD_NONE; } } if (elem.isNumber()) { *out = elem.numberInt(); return FIELD_SET; } _genFieldErrMsg(doc, field, "number", errMsg); return FIELD_INVALID; }
FieldParser::FieldState FieldParser::extract(BSONObj doc, const BSONField<Date_t>& field, Date_t* out, string* errMsg) { BSONElement elem = doc[field.name()]; if (elem.eoo()) { if (field.hasDefault()) { *out = field.getDefault(); return FIELD_DEFAULT; } else { return FIELD_NONE; } } if (elem.type() == Date) { *out = elem.date(); return FIELD_SET; } _genFieldErrMsg(doc, field, "date or timestamp", errMsg); return FIELD_INVALID; }