feat: opt use_clap

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "rust_util"
-version = "0.6.26"
+version = "0.6.27"
 authors = ["Hatter Jiang <jht5945@gmail.com>"]
 edition = "2018"
 description = "Hatter's Rust Util"

src/util_clap.rs

@@ -16,7 +16,7 @@ pub trait DefaultCommand {
     fn run(&self, arg_matches: &ArgMatches) -> CommandError;
 }
 
-pub struct DefaultCommandImpl {}
+pub struct DefaultCommandImpl;
 impl DefaultCommand for DefaultCommandImpl {
     fn process_command<'a>(&self, app: App<'a, 'a>) -> App<'a, 'a> {
         app.arg(Arg::with_name("verbose").long("verbose").short("v").multiple(true).help("Show verbose info"))
@@ -36,6 +36,10 @@ pub struct CommandExecutor {
 }
 
 impl CommandExecutor {
+    pub fn new_default() -> Self {
+        Self::new(None)
+    }
+
     pub fn new(default_cmd: Option<Box<dyn DefaultCommand>>) -> Self {
         CommandExecutor{
             default_cmd,
@@ -48,6 +52,13 @@ impl CommandExecutor {
         self
     }
 
+    pub fn add_commands(&mut self, cmds: Vec<Box<dyn Command>>) -> &mut Self {
+        for cmd in cmds.into_iter() {
+            self.add(cmd);
+        }
+        self
+    }
+
     pub fn run(&self) -> XResult<()> {
         let mut app = App::new(env!("CARGO_PKG_NAME"))
                 .version(env!("CARGO_PKG_VERSION"))