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use crate::{Action, Context, Flag};
pub struct Command {
pub name: String,
pub usage: String,
pub action: Action,
pub flags: Option<Vec<Flag>>,
}
impl Default for Command {
fn default() -> Self {
Self {
name: "".to_string(),
usage: "".to_string(),
action: |c: &Context| println!("{:?}", c.args),
flags: None,
}
}
}
impl Command {
pub fn new() -> Self {
Self::default()
}
pub fn name<T: Into<String>>(mut self, name: T) -> Self {
self.name = name.into();
self
}
pub fn usage<T: Into<String>>(mut self, usage: T) -> Self {
self.usage = usage.into();
self
}
pub fn action(mut self, action: Action) -> Self {
self.action = action;
self
}
pub fn flag(mut self, flag: Flag) -> Self {
if let Some(ref mut flags) = self.flags {
(*flags).push(flag);
} else {
self.flags = Some(vec![flag]);
}
self
}
pub fn run(&self, v: Vec<String>) {
(self.action)(&Context::new(v, self.flags.clone()))
}
}
#[cfg(test)]
mod tests {
use crate::{Action, Command, Context, Flag, FlagType};
#[test]
fn command_test() {
let a: Action = |c: &Context| println!("Hello, {:?}", c.args);
let c = Command::new()
.name("hello")
.usage("test hello user")
.action(a)
.flag(Flag::new("t", "t", FlagType::Bool));
&c.flags.unwrap()[0].value(&vec!["--hoge".to_string()]);
assert_eq!(c.name, "hello".to_string());
assert_eq!(c.usage, "test hello user".to_string());
}
}