src/vendor/handlebars/src/helpers/helper_raw.rs

   1 use helpers::HelperDef;
   2 use registry::Registry;
   3 use render::{Renderable, RenderContext, Helper};
   4 use error::RenderError;
   5
   6 #[derive(Clone, Copy)]
   7 pub struct RawHelper;
   8
   9 impl HelperDef for RawHelper {
  10     fn call(&self, h: &Helper, r: &Registry, rc: &mut RenderContext) -> Result<(), RenderError> {
  11         let tpl = h.template();
  12         if let Some(t) = tpl {
  13             t.render(r, rc)
  14         } else {
  15             Ok(())
  16         }
  17     }
  18 }
  19
  20 pub static RAW_HELPER: RawHelper = RawHelper;
  21
  22 #[cfg(test)]
  23 mod test {
  24     use registry::Registry;
  25
  26     #[test]
  27     fn test_raw_helper() {
  28         let mut handlebars = Registry::new();
  29         assert!(
  30             handlebars
  31                 .register_template_string("t0", "a{{{{raw}}}}{{content}}{{else}}hello{{{{/raw}}}}")
  32                 .is_ok()
  33         );
  34
  35         let r = handlebars.render("t0", &());
  36         assert_eq!(r.ok().unwrap(), "a{{content}}{{else}}hello");
  37     }
  38 }