maud/benchmarks/benches/complicated_maud.rs

#![feature(proc_macro, test)]

extern crate maud;
extern crate test;

use maud::{Markup, html};

#[derive(Debug)]
struct Entry {
    name: &'static str,
    score: u32,
}

mod btn {
    use maud::{Markup, Render, html};

    #[derive(Copy, Clone)]
    pub enum RequestMethod {
        Get,
        Post
    }

    #[derive(Copy, Clone)]
    pub struct Button<'a> {
        label: &'a str,
        path: &'a str,
        req_meth: RequestMethod,
    }

    impl<'a> Button<'a> {
        pub fn new(label: &'a str, path: &'a str) -> Button<'a> {
            Button {
                label: label,
                path: path,
                req_meth: RequestMethod::Get,
            }
        }

        pub fn with_method(mut self, meth: RequestMethod) -> Button<'a> {
            self.req_meth = meth;
            self
        }
    }

    impl<'a> Render for Button<'a> {
        fn render(&self) -> Markup {
            match self.req_meth {
                RequestMethod::Get => {
                    html! { a.btn href=(self.path) (self.label) }
                }
                RequestMethod::Post => {
                    html! {
                        form method="POST" action=(self.path) {
                            input.btn type="submit" value=(self.label) /
                        }
                    }
                }
            }
        }
    }
}

fn layout<S: AsRef<str>>(title: S, inner: Markup) -> Markup {
    html! {
        html {
            head {
                title (title.as_ref())
            }
            body {
                (inner)
            }
        }
    }
}

#[bench]
fn render_complicated_template(b: &mut test::Bencher) {
    let year = test::black_box("2015");
    let teams = test::black_box(vec![
        Entry { name: "Jiangsu", score: 43 },
        Entry { name: "Beijing", score: 27 },
        Entry { name: "Guangzhou", score: 22 },
        Entry { name: "Shandong", score: 12 },
    ]);
    b.iter(|| {
        use btn::{Button, RequestMethod};
        layout(format!("Homepage of {}", year), html! {
            h1 { "Hello there!" }

            @for entry in &teams {
                div {
                    strong (entry.name)
                    (Button::new("Edit", "edit"))
                    (Button::new("Delete", "edit")
                                .with_method(RequestMethod::Post))
                }
            }
        })
    });
}