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use regex::Regex; use server::Server; use server::Stream; use http::Http; use http::Response; pub use self::route::Route; pub use self::group::Group; pub use self::context::{Context, Value}; use self::middleware::Middleware; use error::Result; #[macro_use] mod macros; mod route; mod context; mod group; mod middleware; pub type Handle = Fn(&mut Context) + Send + Sync + 'static; pub struct App { groups: Vec<Group>, begin: Vec<Middleware>, before: Vec<Middleware>, after: Vec<Middleware>, finish: Vec<Middleware>, not_found: Option<Middleware>, } impl App { pub fn new() -> App { App { groups: vec![Group::new("")], begin: Vec::new(), before: Vec::new(), after: Vec::new(), finish: Vec::new(), not_found: None, } } fn add<H>(&mut self, method: &str, pattern: &str, handle: H) -> &mut Route where H: Fn(&mut Context) + Send + Sync + 'static { let route = Route::new( method.parse().unwrap(), pattern.into(), Box::new(handle), ); self.groups.get_mut(0).unwrap().routes.push(route); self.groups.get_mut(0).unwrap().routes.last_mut().unwrap() } route!(get); route!(post); route!(put); route!(delete); route!(option); route!(head); pub fn mount(&mut self, group: Group) { self.groups.push(group) } middleware!(begin); middleware!(before); middleware!(after); middleware!(finish); pub fn not_found<H>(&mut self, handle: H) where H: Fn(&mut Context) + Send + Sync + 'static { self.not_found = Some(Middleware { inner: Box::new(handle), }); } pub fn handle(&self, stream: &mut Stream) { let mut http = Http::new(stream); match http.decode() { Ok(Some(request)) => { let mut context = Context::new(request); let mut route_found = false; for begin in self.begin.iter() { begin.execute_always(&mut context); } if context.next() { 'outer: for group in self.groups.iter() { for route in group.routes.iter() { if route.method() != context.request.method() { continue; } let path = { let path = context.request.path(); let path = path.find('?').map_or(path.as_ref(), |pos| &path[..pos]); if path != "/" { path.trim_right_matches('/').to_owned() } else { path.to_owned() } }; let pattern = { let pattern = route.compilied_pattern(); if pattern != "/" { pattern.trim_right_matches('/').to_owned() } else { pattern } }; if pattern.contains("^") { let re = Regex::new(&pattern).unwrap(); let caps = re.captures(&path); if let Some(caps) = caps { route_found = true; let matches = route.path(); for (key, value) in matches.iter() { context.request.params().insert(key.to_owned(), caps.get(*value).unwrap().as_str().to_owned()); } } } else { if pattern == path { route_found = true; } } if route_found { for before in self.before.iter() { before.execute(&mut context); } for before in group.before.iter() { before.execute(&mut context); } route.execute(&mut context); for after in group.after.iter() { after.execute(&mut context); } for after in self.after.iter() { after.execute(&mut context); } break 'outer; } } } if !route_found { if let Some(ref not_found) = self.not_found { not_found.execute(&mut context); } else { context.response.status(404).from_text("Not Found").unwrap(); } } } for finish in self.finish.iter() { finish.execute_always(&mut context); } http.encode(context.response); } Ok(None) => { let response = Response::empty(100); http.encode(response); } Err(err) => { let response = Response::empty(501); http.encode(response); println!("http paser{:?}", err); } } } pub fn run(self, addr: &str, process_num: usize) -> Result<()> { let mut server = Server::new(addr).unwrap(); server.run(Box::new(move |stream| { self.handle(stream); }), process_num)?; Ok(()) } pub fn run_tls(self, addr: &str, process_num: usize, cert: &str, private_key: &str) -> Result<()> { let mut server = Server::new(addr).unwrap(); server.run_tls(Box::new(move |stream| { self.handle(stream); }), process_num ,cert, private_key)?; Ok(()) } }