Function loadCodec

search/struct.go:64–108

(t reflect.Type)

)

func loadCodec(t reflect.Type) (*structCodec, error) {
	codecsMu.RLock()
	codec, ok := codecs[t]
	codecsMu.RUnlock()
	if ok {
		return codec, nil
	}

	codecsMu.Lock()
	defer codecsMu.Unlock()
	if codec, ok := codecs[t]; ok {
		return codec, nil
	}

	codec = &structCodec{
		fieldByName: make(map[string]int),
		facetByName: make(map[string]int),
	}

	for i, I := 0, t.NumField(); i < I; i++ {
		f := t.Field(i)
		name, opts := f.Tag.Get("search"), ""
		if i := strings.Index(name, ","); i != -1 {
			name, opts = name[:i], name[i+1:]
		}
		ignore := false
		if name == "-" {
			ignore = true
		} else if name == "" {
			name = f.Name
		} else if !validFieldName(name) {
			return nil, fmt.Errorf("search: struct tag has invalid field name: %q", name)
		}
		facet := opts == "facet"
		codec.byIndex = append(codec.byIndex, structTag{name: name, facet: facet, ignore: ignore})
		if facet {
			codec.facetByName[name] = i
		} else {
			codec.fieldByName[name] = i
		}
	}

	codecs[t] = codec
	return codec, nil
}

// structFLS adapts a struct to be a FieldLoadSaver.
type structFLS struct {