plugins.rs

//! Helps to wrap plugins into commands for direct inclusion

use nu_plugin::Plugin;
use nu_cli::{CommandArgs, CommandRegistry, OutputStream, WholeStreamCommand};
use async_trait::async_trait;
use nu_protocol::Signature;
use nu_errors::ShellError;

pub struct PluginCommand<P> {
    signature: Signature,
    plugin: P,
}

impl<P: Plugin + Send + Sync> PluginCommand<P> {

    pub fn new(mut plugin: P) -> Self {
        let signature = plugin.config().as_ref().unwrap().clone();
        Self { plugin, signature }
    }

}

#[async_trait]
impl<P: Plugin + Send + Sync> WholeStreamCommand for PluginCommand<P> {
    fn name(&self) -> &str {
        &self.signature.name
    }

    fn signature(&self) -> Signature {
        self.signature.clone()
    }

    fn usage(&self) -> &str {
        &self.signature.usage
    }

    async fn run(
        &self,
        _args: CommandArgs,
        _registry: &CommandRegistry,
    ) -> Result<OutputStream, ShellError> {
        // todo: call the plugin functions here
        Ok(OutputStream::empty())
    }
}