Initial Commit

main.go

@@ -0,0 +1,65 @@
+package GoDaemonSkeleton
+
+import (
+	"fmt"
+	"os"
+	"strings"
+)
+
+var (
+	apps = make([]*App, 0)
+)
+
+type App struct {
+	Name     string
+	Handover *func()
+}
+
+func GetApp() (*App, []string) {
+	appNames := func() []string {
+		out := []string{}
+		for _, app := range apps {
+			out = append(out, app.Name)
+		}
+
+		return out
+	}
+
+	if len(os.Args) < 2 {
+		fmt.Fprintf(os.Stderr, "No App specified. Must be one of: %s\n", strings.Join(appNames(), " "))
+		os.Exit(1)
+	}
+
+	var subAppArgs []string
+	var subApp *App
+OuterLoop:
+	for i, arg := range os.Args[1:] {
+		for _, subAppTemp := range apps {
+			if arg == subAppTemp.Name {
+				subApp = subAppTemp
+				subAppArgs = os.Args[i+2:]
+				os.Args = os.Args[:i+1]
+				break OuterLoop
+			}
+		}
+	}
+
+	if subApp == nil {
+		fmt.Fprintf(os.Stderr, "No App specified. Must be one of: %s\n", strings.Join(appNames(), " "))
+		os.Exit(1)
+	}
+
+	return subApp, subAppArgs
+}
+
+func AppRegister(app *App) {
+	if app == nil {
+		panic("nil subapp supplied")
+	}
+	for _, dup := range apps {
+		if dup.Name == app.Name {
+			panic("Register called twice for subApp " + app.Name)
+		}
+	}
+	apps = append(apps, app)
+}