func iterator()

in rf_iterate.go [13:46]

• 32 lines of code
• 8 McCabe index (conditional complexity)

func iterator(keyword string, addressLength int) refIterator {
	return func(ts []hcl.Traverser, i int) []string {
		var r []string
		if len(ts) == 0 {
			return nil
		}
		if name(ts[i]) != keyword {
			return nil
		}
		if len(ts) < i+addressLength {
			return nil
		}
		remain := addressLength
		sb := strings.Builder{}
		// data.xyz.abc
		for j := i; remain > 0; j++ {
			sb.WriteString(name(ts[j]))
			remain--
			if remain > 0 {
				sb.WriteString(".")
			}
		}
		r = []string{sb.String()}
		//potential index, like data.xyz.abc["foo"]
		if len(ts) > i+addressLength+1 {
			index, ok := ts[i+addressLength].(hcl.TraverseIndex)
			if ok {
				sb.WriteString(fmt.Sprintf(`[%s]`, CtyValueToString(index.Key)))
				r = append(r, sb.String())
			}
		}
		return r
	}
}