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use std::io;
extern crate iron;
extern crate maud;
use iron::headers::ContentType;
use iron::modifier::{Modifier, Set};
use iron::modifiers::Header;
use iron::response::{Response, ResponseBody, WriteBody};
use maud::{Template, Utf8Writer};
pub struct Maud<T> { template: Option<T> }
impl<T> Maud<T> {
pub fn new(template: T) -> Maud<T> where
T: Template + Send + 'static
{
Maud { template: Some(template) }
}
}
impl<T: Template + Send + 'static> Modifier<Response> for Maud<T> {
fn modify(self, response: &mut Response) {
response
.set_mut(Header(ContentType::html()))
.set_mut(Box::new(self) as Box<WriteBody>);
}
}
impl<T: Template + Send> WriteBody for Maud<T> {
fn write_body(&mut self, body: &mut ResponseBody) -> io::Result<()> {
if let Some(template) = self.template.take() {
let mut writer = Utf8Writer::new(body);
let _ = template(&mut writer);
writer.into_result()
} else {
Ok(())
}
}
}
#[test]
fn smoke() {
let template = |w: &mut std::fmt::Write| w.write_str("Hello, world!");
let _ = Response::with((iron::status::Ok, Maud::new(template)));
}