clap_runner/command/
facade.rs

1use faststr::FastStr;
2
3use super::error::*;
4use super::model::*;
5
6pub struct BoxSafeRunnableCommand(pub(crate) Box<dyn SafeRunnableCommand>);
7
8impl BoxSafeRunnableCommand {
9    pub fn self_check(&self) -> Result<()> {
10        if self.0.command().get_name().contains(".") {
11            return Err(Error::CommandNameIllegal {
12                hint: FastStr::new("command name cannot contains '.'"),
13            });
14        }
15        Ok(())
16    }
17}
18
19impl<T: RunnableCommand> From<T> for BoxSafeRunnableCommand {
20    fn from(value: T) -> Self {
21        Self(Box::new(value))
22    }
23}
24
25#[async_trait::async_trait]
26pub(crate) trait SafeRunnableCommand {
27    async fn callback(&self, cx: crate::context::Context) -> Result<CallbackStatus>;
28    fn command(&self) -> clap::Command;
29    fn bind_matches(&mut self, matches: clap::ArgMatches) -> Result<()>;
30}
31
32#[async_trait::async_trait]
33impl<T: RunnableCommand> SafeRunnableCommand for T {
34    async fn callback(&self, cx: crate::context::Context) -> Result<CallbackStatus> {
35        self.callback(cx).await
36    }
37    fn command(&self) -> clap::Command {
38        T::command()
39    }
40    fn bind_matches(&mut self, matches: clap::ArgMatches) -> Result<()> {
41        self.bind_matches(matches)
42    }
43}
44
45#[async_trait::async_trait]
46pub trait RunnableCommand: clap::Parser + Send + Sync + 'static {
47    async fn callback(&self, _cx: crate::context::Context) -> Result<CallbackStatus> {
48        Ok(CallbackStatus::Continue)
49    }
50    fn bind_matches(&mut self, mut matches: clap::ArgMatches) -> Result<()> {
51        <Self as clap::FromArgMatches>::update_from_arg_matches(self, &mut matches).map_err(|e| {
52            Error::Param {
53                hint: FastStr::new(e.to_string()),
54            }
55        })
56    }
57}
clap_runner/command/facade.rs

clap_runner/command/
facade.rs
