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use std::fmt;
use std::convert::From;
use term_painter::ToStyle;
use term_painter::Color::*;
use codegen::StaticRouteInfo;
use handler::Handler;
use http::{Method, ContentType};
use http::uri::URI;
pub struct Route {
pub method: Method,
pub handler: Handler,
pub path: URI<'static>,
pub rank: isize,
pub format: Option<ContentType>,
}
fn default_rank(path: &str) -> isize {
path.contains('<') as isize
}
impl Route {
pub fn new<S>(m: Method, path: S, handler: Handler) -> Route
where S: AsRef<str>
{
Route {
method: m,
handler: handler,
rank: default_rank(path.as_ref()),
path: URI::from(path.as_ref().to_string()),
format: None,
}
}
pub fn ranked<S>(rank: isize, m: Method, path: S, handler: Handler) -> Route
where S: AsRef<str>
{
Route {
method: m,
path: URI::from(path.as_ref().to_string()),
handler: handler,
rank: rank,
format: None,
}
}
pub fn set_path<S>(&mut self, path: S) where S: AsRef<str> {
self.path = URI::from(path.as_ref().to_string());
}
pub(crate) fn get_param_indexes(&self, uri: &URI) -> Vec<(usize, usize)> {
let route_segs = self.path.segments();
let uri_segs = uri.segments();
let start_addr = uri.path().as_ptr() as usize;
let mut result = Vec::with_capacity(self.path.segment_count());
for (route_seg, uri_seg) in route_segs.zip(uri_segs) {
let i = (uri_seg.as_ptr() as usize) - start_addr;
if route_seg.ends_with("..>") {
result.push((i, uri.path().len()));
break;
} else if route_seg.ends_with('>') {
let j = i + uri_seg.len();
result.push((i, j));
}
}
result
}
}
impl Clone for Route {
fn clone(&self) -> Route {
Route {
method: self.method,
handler: self.handler,
rank: self.rank,
path: self.path.clone(),
format: self.format.clone(),
}
}
}
impl fmt::Display for Route {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
write!(f, "{} {}", Green.paint(&self.method), Blue.paint(&self.path))?;
if self.rank > 1 {
write!(f, " [{}]", White.paint(&self.rank))?;
}
if let Some(ref format) = self.format {
write!(f, " {}", Yellow.paint(format))?;
}
Ok(())
}
}
impl fmt::Debug for Route {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
<Route as fmt::Display>::fmt(self, f)
}
}
#[doc(hidden)]
impl<'a> From<&'a StaticRouteInfo> for Route {
fn from(info: &'a StaticRouteInfo) -> Route {
let mut route = Route::new(info.method, info.path, info.handler);
route.format = info.format.clone();
if let Some(rank) = info.rank {
route.rank = rank;
}
route
}
}