Working on it

main.go

@@ -16,6 +16,16 @@ var cfg *userConfig.Config
 // Valid command line options
 var validFlags []cliFlag
 
+const (
+	OpSearch = iota
+	OpAdd
+	OpUpdate
+	OpDelete
+	OpError
+)
+
+var performOp = OpSearch
+
 func main() {
 	err := initialize()
 	if err != nil {
@@ -23,11 +33,24 @@ func main() {
 		os.Exit(1)
 	}
 
-	// If no command line options are given, go into gui mode
-	if len(os.Args) > 1 {
-		fmt.Println(os.Args[1])
-		if os.Args[1] == "-a" {
+	parms := os.Args
+	if len(parms) > 1 {
+		parms = parms[1:]
+		for _, v := range parms {
+			switch v {
+			case "-h":
+				printUsage()
+				os.Exit(0)
+			case "-a":
 				// Adding a new bookmark
+				setOperation(OpAdd)
+			case "-u":
+				// Updating an existing bookmark
+				setOperation(OpUpdate)
+			case "-d":
+				// Delete an existing bookmark
+				setOperation(OpDelete)
+			}
 		}
 	} else {
 		// Enter cui mode
@@ -35,13 +58,25 @@ func main() {
 	}
 }
 
+func setOperation(which int) {
+	if performOp != OpSearch || which >= OpError {
+		// We've already tried to set the operation
+		fmt.Println("Error parsing command. For help use '-h'.")
+		os.Exit(1)
+	}
+	performOp = which
+}
+
 // initialize sets up the application for general use
 func initialize() error {
 	var err error
 	// Build the list of valid command line options
-	addValidFlag("-a", "add", []string{"Add a new bookmark"})
 	addValidFlag("-h", "help", []string{"Print the usage (this message)"})
-	addValidFlag("-n", "name", []string{
+	addValidFlag("-a", "add", []string{"Add a new bookmark"})
+	addValidFlag("-u", "update", []string{"Update an existing bookmark"})
+	addValidFlag("-d", "delete", []string{"Delete an existing bookmark"})
+	addValidFlag("-s", "search", []string{"Search for a bookmark"})
+	addValidFlag("-n", "name (optional)", []string{
 		"When adding/updating, specify the name you wish to give a bookmark.",
 		"When searching, specifiy the name of the bookmark(s) you're searching for.",
 	})
@@ -50,7 +85,6 @@ func initialize() error {
 		"When adding/updating, specify the tags you wish to give a bookmark.",
 		"When searching, specifiy the name of the tags you're searching for.",
 	})
-	addValidFlag("-u", "update", []string{"Update an existing bookmark"})
 
 	// Load the config
 	cfg, err = userConfig.NewConfig(AppName)
@@ -89,9 +123,10 @@ func printUsage() {
 		"mark is a tool for keeping your bookmarks organized",
 		"",
 		"Usage: ",
-		"\tmark",
+		"\tmark [operation] [optional flags]",
 		"",
 		"If no arguments are given, we enter gui mode",
+		"If no 'operation' arguments are given (-a, -u, -d, -s) search is assumed",
 		"",
 		"Valid arguments are:",
 		"",
@@ -100,9 +135,9 @@ func printUsage() {
 		fmt.Println(ln)
 	}
 	for _, v := range validFlags {
-		fmt.Println(v.Flag, "\t", v.Name)
+		fmt.Println("\t", v.Flag, "\t", v.Name)
 		for _, hv := range v.Description {
-			fmt.Println("\t", hv)
+			fmt.Println("\t\t\t", hv)
 		}
 	}
 }