Rocket/core/lib/src/codegen.rs

use crate::{Request, Data};
use crate::handler::HandlerFuture;
use crate::catcher::ErrorHandlerFuture;
use crate::http::{Status, Method, MediaType};

/// Type of a route handler, generated from a `fn` annotated with `#[route]`.
pub type StaticHandler = for<'r> fn(&'r Request<'_>, Data) -> HandlerFuture<'r>;

/// Type of an error handler, generated from a `fn` annotated with `#[catch]`.
pub type StaticErrorHandler = for<'r> fn(Status, &'r Request<'_>) -> ErrorHandlerFuture<'r>;

/// Information generated by the `route` attribute during codegen.
pub struct StaticRouteInfo {
    /// The route's name, i.e, the name of the function.
    pub name: &'static str,
    /// The route's method.
    pub method: Method,
    /// The route's path, without the base mount point.
    pub path: &'static str,
    /// The route's format, if any.
    pub format: Option<MediaType>,
    /// The route's handler, i.e, the annotated function.
    pub handler: StaticHandler,
    /// The route's rank, if any.
    pub rank: Option<isize>,
}

/// Information generated by the `catch` attribute during codegen.
pub struct StaticCatcherInfo {
    /// The catcher's status code.
    pub code: Option<u16>,
    /// The catcher's handler, i.e, the annotated function.
    pub handler: StaticErrorHandler,
}