首次提交代码

parse.go

@@ -0,0 +1,23 @@
+package main
+
+import "strings"
+
+func ParseCommandName(args []string) (string, []string) {
+	var name string
+	if len(args) > 0 {
+		if !strings.HasPrefix(args[0], "-") {
+			name = args[0]
+		} else if args[0] == "-h" || args[0] == "-help" || args[0] == "--help" {
+			name = "help"
+		}
+	}
+
+	if name == "help" && len(args) > 2 && !strings.HasPrefix(args[1], "-") {
+		return args[1], []string{"-h"}
+	}
+
+	if name != "" {
+		return name, args[1:]
+	}
+	return "", args
+}