Rocket/lib/src/router/route.rs

88 lines
2.4 KiB
Rust

use term_painter::ToStyle;
use term_painter::Color::*;
use std::fmt;
use method::Method;
use super::{Collider, URI, URIBuf}; // :D
use handler::Handler;
pub struct Route {
pub method: Method,
pub handler: Handler,
pub path: URIBuf,
pub rank: isize
}
impl Route {
pub fn ranked<S>(rank: isize, m: Method, path: S, handler: Handler)
-> Route where S: AsRef<str> {
Route {
method: m,
path: URIBuf::from(path.as_ref()),
handler: handler,
rank: rank
}
}
pub fn new<S>(m: Method, path: S, handler: Handler)
-> Route where S: AsRef<str> {
Route {
method: m,
handler: handler,
rank: (!path.as_ref().contains("<") as isize),
path: URIBuf::from(path.as_ref()),
}
}
pub fn set_path<S>(&mut self, path: S) where S: AsRef<str> {
self.path = URIBuf::from(path.as_ref());
}
// FIXME: Decide whether a component has to be fully variable or not. That
// is, whether you can have: /a<a>b/ or even /<a>:<b>/
// TODO: Don't return a Vec...take in an &mut [&'a str] (no alloc!)
pub fn get_params<'a>(&self, uri: &'a str) -> Vec<&'a str> {
let route_components = self.path.segments();
let uri_components = URI::new(uri).segments();
let mut result = Vec::with_capacity(self.path.segment_count());
for (route_seg, uri_seg) in route_components.zip(uri_components) {
if route_seg.starts_with("<") { // FIXME: Here.
result.push(uri_seg);
}
}
result
}
}
impl fmt::Display for Route {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
write!(f, "{} {}", Green.paint(&self.method), Blue.paint(&self.path))
}
}
impl Collider for Route {
fn collides_with(&self, b: &Route) -> bool {
if self.path.segment_count() != b.path.segment_count()
|| self.method != b.method
|| self.rank != b.rank {
return false;
}
self.path.collides_with(&b.path)
}
}
impl<'a> Collider<Route> for &'a str {
fn collides_with(&self, other: &Route) -> bool {
let path = URI::new(self);
path.collides_with(&other.path)
}
}
impl Collider<str> for Route {
fn collides_with(&self, other: &str) -> bool {
other.collides_with(self)
}
}