quotation_fields.go

var quotationsReplacer = strings.NewReplacer("'", "", `"`, "")

func quotationOrSpaceFields(s string) []string {
	lastQuote := rune(0)
	f := func(c rune) bool {
		switch {
		case c == lastQuote:
			lastQuote = rune(0)
			return false
		case lastQuote != rune(0):
			return false
		case unicode.In(c, unicode.Quotation_Mark):
			lastQuote = c
			return false
		default:
			return unicode.IsSpace(c)
		}
	}

	args := strings.FieldsFunc(s, f)
	for i := range args {
		args[i] = quotationsReplacer.Replace(args[i])
	}
	return args
}

quotation_fields_test.go

func Test_quotationOrSpaceFields(t *testing.T) {
	as := assert.New(t)
	type testCase struct {
		s    string
		args []string
	}
	testCases := []testCase{
		{
			s:    `#random 'Create Task.*'`,
			args: []string{"#random", "Create Task.*"},
		},
		{
			s:    `#random "Create Task.*"`,
			args: []string{"#random", "Create Task.*"},
		},
	}

	for i, ts := range testCases {
		as.Equal(quotationOrSpaceFields(ts.s), ts.args, "testCase [%d]", i)
	}
}