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use crate::{AnyOutput, ChainProcess, Dispatcher, Node};
/// Marker: Program End
///
/// If a chain outputs ProgramEnd to the Chain,
/// the program will terminate directly.
///
/// You can implement Renderer for ProgramEnd
/// to render relevant information after the program ends.
#[cfg_attr(feature = "serde_renderer", derive(serde::Serialize))]
pub struct ProgramEnd;
/// Marker: Chain Not Found
///
/// If a Chain or Dispatcher outputs NoChainFound to the Chain,
/// the program will terminate directly.
///
/// You can implement Renderer for NoChainFound
/// to render relevant information when a Chain cannot be found.
#[cfg_attr(feature = "serde_renderer", derive(serde::Serialize))]
pub struct NoChainFound {
pub name: String,
}
/// Marker: Dispatcher Not Found
///
/// If a Dispatcher outputs NoDispatcherFound to the Chain,
/// the program will terminate directly.
///
/// You can implement Renderer for NoDispatcherFound
/// to render relevant information when a Dispatcher cannot be found.
#[cfg_attr(feature = "serde_renderer", derive(serde::Serialize))]
pub struct NoDispatcherFound {
pub args: Vec<String>,
}
#[derive(Default)]
#[cfg_attr(feature = "serde_renderer", derive(serde::Serialize))]
pub struct DispatcherNotFound;
impl Dispatcher for DispatcherNotFound {
fn node(&self) -> crate::Node {
Node::default().join("_not_found")
}
fn begin(&self, args: Vec<String>) -> ChainProcess {
AnyOutput::new(NoDispatcherFound { args }).route_renderer()
}
fn clone_dispatcher(&self) -> Box<dyn Dispatcher> {
Box::new(DispatcherNotFound)
}
}
/// Marker: Renderer Not Found
///
/// If a Chain outputs NoRendererFound to the Chain,
/// the program will terminate directly.
///
/// You can implement Renderer for NoRendererFound
/// to render relevant information when a Renderer cannot be found.
#[cfg_attr(feature = "serde_renderer", derive(serde::Serialize))]
pub struct NoRendererFound {
pub type_to_render: String,
}
#[derive(Default)]
#[cfg_attr(feature = "serde_renderer", derive(serde::Serialize))]
pub struct RendererNotFound;
impl Dispatcher for RendererNotFound {
fn node(&self) -> crate::Node {
Node::default().join("_not_found")
}
fn begin(&self, args: Vec<String>) -> ChainProcess {
AnyOutput::new(NoRendererFound {
type_to_render: args.first().unwrap().clone(),
})
.route_renderer()
}
fn clone_dispatcher(&self) -> Box<dyn Dispatcher> {
Box::new(RendererNotFound)
}
}
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