add locale map generation for external mapping of locale to instance function.

cmd/generate_resources.go

@@ -216,8 +216,13 @@ func main() {
 		log.Panic(err)
 	}
 
+	var locMap string
+
 	for _, trans := range translators {
 
+		locMap += `"` + trans.Locale + `" : ` + trans.Locale + `.New,
+`
+
 		fmt.Println("Writing Data:", trans.Locale)
 
 		if err = os.MkdirAll(fmt.Sprintf(locDir, trans.Locale), 0777); err != nil {
@@ -250,6 +255,37 @@ func main() {
 			log.Panic(err)
 		}
 	}
+
+	fmt.Println("Writing final locale map")
+
+	if err = os.MkdirAll(fmt.Sprintf(locDir, "locales-list"), 0777); err != nil {
+		log.Fatal(err)
+	}
+
+	filename = fmt.Sprintf(locFilename, "locales-list", "locales")
+
+	output, err = os.Create(filename)
+	if err != nil {
+		log.Fatal(err)
+	}
+	defer output.Close()
+
+	if err := tmpl.ExecuteTemplate(output, "localeslist", locMap); err != nil {
+		log.Fatal(err)
+	}
+
+	output.Close()
+
+	// after file written run gofmt on file to ensure best formatting
+	cmd = exec.Command("goimports", "-w", filename)
+	if err = cmd.Run(); err != nil {
+		log.Panic(err)
+	}
+
+	cmd = exec.Command("gofmt", "-s", "-w", filename)
+	if err = cmd.Run(); err != nil {
+		log.Panic(err)
+	}
 }
 
 func postProcess(cldr *cldr.CLDR) {

cmd/locale_map.tmpl

@@ -0,0 +1,34 @@
+{{ define "localeslist" }}
+package localeslist
+
+import (
+	"sync"
+)
+
+// LocaleFunc is the function to run in order to create
+// a new instance of a given locale
+type LocaleFunc func() locales.Translator
+
+// LocaleMap is map of locale string to instance function
+type LocaleMap map[string]LocaleFunc
+
+
+var (
+	once 	  sync.Once
+	localeMap LocaleMap
+)
+
+func init() {
+	once.Do(func(){
+		localeMap = map[string]LocaleFunc{
+			{{ . }}
+		}
+	})
+}
+
+// Map returns the map of locales to instance New function
+func Map() LocaleMap {
+	return localeMap
+}
+
+{{ end }}