func getStringArrStatement()

in tools/migration/crosstool_to_starlark_lib.go [542:601]
60 lines of code
11 McCabe index (conditional complexity)

func getStringArrStatement(attr string, arrValToIds map[string][]string,
	cToolchainIdentifiers map[string]CToolchainIdentifier, depth int, plainString bool) string {
	var b bytes.Buffer
	if len(arrValToIds) == 0 {
		b.WriteString(fmt.Sprintf("%s%s = []\n", getTabs(depth), attr))
	} else if len(arrValToIds) == 1 {
		for value := range arrValToIds {
			var arr []string
			if value == "" {
				arr = []string{}
			} else if value == "None" {
				b.WriteString(fmt.Sprintf("%s%s = None\n", getTabs(depth), attr))
				break
			} else {
				arr = strings.Split(value, "{arrayFieldDelimiter}")
			}
			b.WriteString(
				fmt.Sprintf(
					"%s%s = %s\n",
					getTabs(depth),
					attr,
					makeStringArr(arr, depth+1, plainString)))
			break
		}
	} else {
		first := true
		var keys []string
		for k := range arrValToIds {
			keys = append(keys, k)
		}
		sort.Strings(keys)
		for _, value := range keys {
			ids := arrValToIds[value]
			branch := "elif"
			if first {
				branch = "if"
			}
			first = false
			var arr []string
			if value == "" {
				arr = []string{}
			} else if value == "None" {
				b.WriteString(
					getIfStatement(
						branch, ids, attr, "None", cToolchainIdentifiers,
						depth /* isPlainString= */, true))
				continue
			} else {
				arr = strings.Split(value, "{arrayFieldDelimiter}")
			}
			b.WriteString(
				getIfStatement(branch, ids, attr,
					makeStringArr(arr, depth+1, plainString),
					cToolchainIdentifiers, depth /* isPlainString= */, false))
		}
		b.WriteString(fmt.Sprintf("%selse:\n%sfail(\"Unreachable\")\n", getTabs(depth), getTabs(depth+1)))
	}
	b.WriteString("\n")
	return b.String()
}