Add dot and dot-upper transforms

README.md

@@ -136,6 +136,8 @@ Given a constant named `MyTypeValue`:
 | `snake-upper` | `MY_TYPE_VALUE` |
 | `kebab` | `my-type-value` |
 | `kebab-upper` | `MY-TYPE-VALUE` |
+| `dot` | `my.type.value` |
+| `dot-upper` | `MY.TYPE.VALUE` |
 | `whitespace` | `my type value` |
 | `lower` | `mytypevalue` |
 | `upper` | `MYTYPEVALUE` |
@@ -145,8 +147,8 @@ Given a constant named `MyTypeValue`:
 | `first-upper` | `M` |
 | `first-lower` | `m` |
 
-Word splitting only works from CamelCase. `snake_upper`, `kebab_upper`, `first_upper`, and
-`first_lower` are accepted as aliases of the hyphenated names.
+Word splitting only works from CamelCase. `snake_upper`, `kebab_upper`, `dot_upper`, `first_upper`,
+and `first_lower` are accepted as aliases of the hyphenated names.
 
 ### Line comments
 

endtoend_test.go

@@ -91,6 +91,12 @@ func TestEndToEnd(t *testing.T) {
 		case "transform_kebab_upper.go":
 			typeName = "KebabUpperCaseValue"
 			transformNameMethod = "kebab-upper"
+		case "transform_dot.go":
+			typeName = "DotCaseValue"
+			transformNameMethod = "dot"
+		case "transform_dot_upper.go":
+			typeName = "DotUpperCaseValue"
+			transformNameMethod = "dot-upper"
 		case "transform_upper.go":
 			typeName = "UpperCaseValue"
 			transformNameMethod = "upper"

stringer.go

@@ -370,6 +370,14 @@ func (g *Generator) transformValueNames(values []Value, transformMethod string)
 		fn = func(s string) string {
 			return strings.ToUpper(name.Delimit(s, '-'))
 		}
+	case "dot":
+		fn = func(s string) string {
+			return strings.ToLower(name.Delimit(s, '.'))
+		}
+	case "dot_upper", "dot-upper":
+		fn = func(s string) string {
+			return strings.ToUpper(name.Delimit(s, '.'))
+		}
 	case "upper":
 		fn = func(s string) string {
 			return strings.ToUpper(s)

testdata/transform_dot.go

@@ -0,0 +1,25 @@
+package main
+
+import "fmt"
+
+type DotCaseValue int
+
+const (
+	DotCaseValueOne DotCaseValue = iota
+	DotCaseValueTwo
+	DotCaseValueThree
+)
+
+func main() {
+	ck(DotCaseValueOne, "dot.case.value.one")
+	ck(DotCaseValueTwo, "dot.case.value.two")
+	ck(DotCaseValueThree, "dot.case.value.three")
+	ck(-127, "DotCaseValue(-127)")
+	ck(127, "DotCaseValue(127)")
+}
+
+func ck(value DotCaseValue, str string) {
+	if fmt.Sprint(value) != str {
+		panic("transform_dot.go: " + str)
+	}
+}

testdata/transform_dot_upper.go

@@ -0,0 +1,25 @@
+package main
+
+import "fmt"
+
+type DotUpperCaseValue int
+
+const (
+	DotUpperCaseValueOne DotUpperCaseValue = iota
+	DotUpperCaseValueTwo
+	DotUpperCaseValueThree
+)
+
+func main() {
+	ck(DotUpperCaseValueOne, "DOT.UPPER.CASE.VALUE.ONE")
+	ck(DotUpperCaseValueTwo, "DOT.UPPER.CASE.VALUE.TWO")
+	ck(DotUpperCaseValueThree, "DOT.UPPER.CASE.VALUE.THREE")
+	ck(-127, "DotUpperCaseValue(-127)")
+	ck(127, "DotUpperCaseValue(127)")
+}
+
+func ck(value DotUpperCaseValue, str string) {
+	if fmt.Sprint(value) != str {
+		panic("transform_dot_upper.go: " + str)
+	}
+}