workers_rsx/
render.rs

1use std::fmt::{Result, Write};
2
3/// Render a component to an HTML string
4pub trait Render: Sized {
5    /// Render the component to a writer.
6    /// Make sure you escape html correctly using the `html_escaping` module
7    fn render_into<W: Write>(self, writer: &mut W) -> Result;
8
9    /// Render the component to a string
10    fn render(self) -> String {
11        let mut buf = String::new();
12        self.render_into(&mut buf).unwrap();
13        buf
14    }
15}
16
17/// Does nothing
18impl Render for () {
19    fn render_into<W: Write>(self, _writer: &mut W) -> Result {
20        Ok(())
21    }
22}
23
24/// Renders `A`, then `B`
25impl<A: Render, B: Render> Render for (A, B) {
26    fn render_into<W: Write>(self, writer: &mut W) -> Result {
27        self.0.render_into(writer)?;
28        self.1.render_into(writer)
29    }
30}
31
32/// Renders `A`, then `B`, then `C`
33impl<A: Render, B: Render, C: Render> Render for (A, B, C) {
34    fn render_into<W: Write>(self, writer: &mut W) -> Result {
35        self.0.render_into(writer)?;
36        self.1.render_into(writer)?;
37        self.2.render_into(writer)
38    }
39}
40
41/// Renders `T` or nothing
42impl<T: Render> Render for Option<T> {
43    fn render_into<W: Write>(self, writer: &mut W) -> Result {
44        match self {
45            None => Ok(()),
46            Some(x) => x.render_into(writer),
47        }
48    }
49}
50
51impl<T: Render> Render for Vec<T> {
52    fn render_into<W: Write>(self, writer: &mut W) -> Result {
53        for elem in self {
54            elem.render_into(writer)?;
55        }
56        Ok(())
57    }
58}
59
60/// Renders `O` or `E`
61impl<O: Render, E: Render> Render for std::result::Result<O, E> {
62    fn render_into<W: Write>(self, writer: &mut W) -> Result {
63        match self {
64            Ok(o) => o.render_into(writer),
65            Err(e) => e.render_into(writer),
66        }
67    }
68}
workers_rsx/render.rs

workers_rsx/
render.rs
