NewStringMatch returns a StringMatch filter.
(cfg baker.FilterParams)
| 34 | |
| 35 | // NewStringMatch returns a StringMatch filter. |
| 36 | func NewStringMatch(cfg baker.FilterParams) (baker.Filter, error) { |
| 37 | dcfg := cfg.DecodedConfig.(*StringMatchConfig) |
| 38 | |
| 39 | if len(dcfg.Strings) == 0 { |
| 40 | return nil, fmt.Errorf("at least one string must be defined in Strings") |
| 41 | } |
| 42 | |
| 43 | fidx, ok := cfg.FieldByName(dcfg.Field) |
| 44 | if !ok { |
| 45 | return nil, fmt.Errorf("stringMatch: unknown field %s", dcfg.Field) |
| 46 | } |
| 47 | |
| 48 | var strings [][]byte |
| 49 | for i := range dcfg.Strings { |
| 50 | strings = append(strings, []byte(dcfg.Strings[i])) |
| 51 | } |
| 52 | |
| 53 | return &StringMatch{field: fidx, strings: strings, invert: dcfg.InvertMatch}, nil |
| 54 | } |
| 55 | |
| 56 | // Stats returns filter statistics. |
| 57 | func (f *StringMatch) Stats() baker.FilterStats { |
no outgoing calls