// Execute the command handler represented by |tokens|. Flags will be parsed and flag handling
// callbacks will be invoked.
Execute the command handler represented by |tokens|. Flags will be parsed and flag handling
callbacks will be invoked.
Execute the command handler represented by |tokens| . Flags will be parsed and flag handling callbacks will be invoked .
pub fn handle_command(&self, tokens: Vec<String>) -> Result<(), Error> {
        if tokens.is_empty() {
            return Err(Error::CommandNotFound(tokens.join(" ")));
        }
        let mut command: &Command = self
            .find_by_name(&tokens[0])
            .ok_or_else(|| Error::CommandNotFound(tokens[0].to_string()))?;
        let mut flag_callbacks: Vec<CommandCallback> = Vec::new();
        let entry = &mut Arguments {
            tokens,
            position: 1,
            flags: HashMap::new(),
        };
        if let Some(cb) = command.flag_callback {
            flag_callbacks.push(cb);
        }
        while entry.position < entry.tokens.len() {
            let sub: Option<&Command> = command.handle_tokens(entry);
            if sub.is_none() {
                break;
            }
            entry.position += 1;
            command = sub.unwrap();
            if let Some(cb) = command.flag_callback {
                flag_callbacks.push(cb);
            }
        }
        if command.command_callback.is_none() {
            return Err(Error::CommandNotImplemented(entry.get_command().join(" ")));
        }
        for cb in flag_callbacks {
            (cb)(&command, entry)?;
        }
        (command.command_callback.unwrap())(&command, entry)
    }
pub fn handle_command ( & self , tokens : Vec < String > ) -> Result < ( ) , Error > { if tokens . is_empty ( ) { return Err ( Error :: CommandNotFound ( tokens . join ( " " ) ) ) ; } let mut command : & Command = self . find_by_name ( & tokens [ 0 ] ) . ok_or_else ( | | Error :: CommandNotFound ( tokens [ 0 ] . to_string ( ) ) ) ? ; let mut flag_callbacks : Vec < CommandCallback > = Vec :: new ( ) ; let entry = & mut Arguments { tokens , position : 1 , flags : HashMap :: new ( ) , } ; if let Some ( cb ) = command . flag_callback { flag_callbacks . push ( cb ) ; } while entry . position < entry . tokens . len ( ) { let sub : Option < & Command > = command . handle_tokens ( entry ) ; if sub . is_none ( ) { break ; } entry . position += 1 ; command = sub . unwrap ( ) ; if let Some ( cb ) = command . flag_callback { flag_callbacks . push ( cb ) ; } } if command . command_callback . is_none ( ) { return Err ( Error :: CommandNotImplemented ( entry . get_command ( ) . join ( " " ) ) ) ; } for cb in flag_callbacks { ( cb ) ( & command , entry ) ? ; } ( command . command_callback . unwrap ( ) ) ( & command , entry ) }
Execute the command handler represented by |tokens|.
Execute the command handler represented by |tokens| .
&self
tokens
Vec<String>