All block states' properties are parsed and all enums represented as byte

level/block/generator/properties/properties_enum.go.tmpl

@@ -0,0 +1,45 @@
+// Code generated by {{Generator}}; DO NOT EDIT.
+package block
+
+import (
+	"errors"
+	"strconv"
+)
+{{range $prop := .}}
+type {{.Name}} byte
+
+const (
+{{- range $index, $element := .Values}}
+    {{if not $prop.TrimPrefix}}{{$prop.Name}}{{end}}{{$element | UpperTheFirst}}{{if eq $index 0 }} {{$prop.Name}} = iota{{end}}
+{{- end}}
+)
+
+{{- $v := slice (.Name | ToLower) 0 1 }}
+var str{{.Name}} = [...]string{ {{- range $index, $elem := .Values }}{{$elem | printf "%q"}}{{if ne $index (len $prop.Values)}}, {{end}}{{end -}} }
+
+func ({{$v}} {{.Name}}) String() string {
+	if int({{$v}}) < len(str{{.Name}}) {
+		return str{{.Name}}[{{$v}}]
+	}
+	return "invalid {{.Name}}"
+}
+
+func ({{$v}} {{.Name}}) MarshalText() (text []byte, err error) {
+	if int({{$v}}) < len(str{{.Name}}) {
+		return []byte(str{{.Name}}[{{$v}}]), nil
+	}
+	return nil, errors.New("invalid {{.Name}}: " + strconv.Itoa(int({{$v}})))
+}
+
+func ({{$v}} *{{.Name}}) UnmarshalText(text []byte) error {
+	switch str := string(text); str {
+{{- range .Values}}
+	case {{. | printf "%q"}}:
+		*{{$v}} = {{if not $prop.TrimPrefix}}{{$prop.Name}}{{end}}{{. | UpperTheFirst}}
+{{- end}}
+	default:
+		return errors.New("unknown {{.Name}}: " + str)
+	}
+	return nil
+}
+{{end}}