more goat syntax sub-commands (#962)

cmd/goat/syntax.go

@@ -61,6 +61,18 @@ var cmdSyntax = &cli.Command{
 				},
 			},
 		},
+		&cli.Command{
+			Name:  "cid",
+			Usage: "sub-commands for CID syntax",
+			Subcommands: []*cli.Command{
+				&cli.Command{
+					Name:      "check",
+					Usage:     "validates CID syntax",
+					ArgsUsage: `<cid>`,
+					Action:    runSyntaxCIDCheck,
+				},
+			},
+		},
 		&cli.Command{
 			Name:  "rkey",
 			Usage: "sub-commands for record key syntax",
@@ -97,6 +109,35 @@ var cmdSyntax = &cli.Command{
 				},
 			},
 		},
+		&cli.Command{
+			Name:  "datetime",
+			Usage: "sub-commands for datetimes",
+			Subcommands: []*cli.Command{
+				&cli.Command{
+					Name:      "check",
+					Usage:     "validates datetime syntax",
+					ArgsUsage: `<datetime>`,
+					Action:    runSyntaxDatetimeCheck,
+				},
+				&cli.Command{
+					Name:   "now",
+					Usage:  "outputs the current datetime",
+					Action: runSyntaxDatetimeNow,
+				},
+			},
+		},
+		&cli.Command{
+			Name:  "language",
+			Usage: "sub-commands for language code syntax",
+			Subcommands: []*cli.Command{
+				&cli.Command{
+					Name:      "check",
+					Usage:     "validates language code syntax",
+					ArgsUsage: `<lang-code>`,
+					Action:    runSyntaxLanguageCheck,
+				},
+			},
+		},
 	},
 }
 
@@ -159,6 +200,20 @@ func runSyntaxDIDCheck(cctx *cli.Context) error {
 	fmt.Println("valid")
 	return nil
 }
+
+func runSyntaxCIDCheck(cctx *cli.Context) error {
+	s := cctx.Args().First()
+	if s == "" {
+		return fmt.Errorf("need to provide identifier as argument")
+	}
+	_, err := syntax.ParseCID(s)
+	if err != nil {
+		return err
+	}
+	fmt.Println("valid")
+	return nil
+}
+
 func runSyntaxHandleCheck(cctx *cli.Context) error {
 	s := cctx.Args().First()
 	if s == "" {
@@ -197,3 +252,34 @@ func runSyntaxATURICheck(cctx *cli.Context) error {
 	fmt.Println("valid")
 	return nil
 }
+
+func runSyntaxDatetimeCheck(cctx *cli.Context) error {
+	s := cctx.Args().First()
+	if s == "" {
+		return fmt.Errorf("need to provide identifier as argument")
+	}
+	_, err := syntax.ParseDatetime(s)
+	if err != nil {
+		return err
+	}
+	fmt.Println("valid")
+	return nil
+}
+
+func runSyntaxDatetimeNow(cctx *cli.Context) error {
+	fmt.Printf("%s\n", syntax.DatetimeNow().String())
+	return nil
+}
+
+func runSyntaxLanguageCheck(cctx *cli.Context) error {
+	s := cctx.Args().First()
+	if s == "" {
+		return fmt.Errorf("need to provide identifier as argument")
+	}
+	_, err := syntax.ParseLanguage(s)
+	if err != nil {
+		return err
+	}
+	fmt.Println("valid")
+	return nil
+}