loose_liquid/
template.rs

1use std::io::Write;
2use std::sync;
3
4use liquid_core::error::Result;
5use liquid_core::runtime;
6use liquid_core::runtime::PartialStore;
7use liquid_core::runtime::Renderable;
8
9pub struct Template {
10    pub(crate) template: runtime::Template,
11    pub(crate) partials: Option<sync::Arc<dyn PartialStore + Send + Sync>>,
12}
13
14impl Template {
15    /// Renders an instance of the Template, using the given globals.
16    pub fn render(&self, globals: &dyn crate::ObjectView) -> Result<String> {
17        const BEST_GUESS: usize = 10_000;
18        let mut data = Vec::with_capacity(BEST_GUESS);
19        self.render_to(&mut data, globals)?;
20
21        Ok(convert_buffer(data))
22    }
23
24    /// Renders an instance of the Template, using the given globals.
25    pub fn render_to(&self, writer: &mut dyn Write, globals: &dyn crate::ObjectView) -> Result<()> {
26        let runtime = runtime::RuntimeBuilder::new().set_globals(globals);
27        let runtime = match self.partials {
28            Some(ref partials) => runtime.set_partials(partials.as_ref()),
29            None => runtime,
30        };
31        let runtime = runtime.build();
32        self.template.render_to(writer, &runtime)
33    }
34}
35
36#[cfg(debug_assertions)]
37fn convert_buffer(buffer: Vec<u8>) -> String {
38    String::from_utf8(buffer)
39        .expect("render can only write UTF-8 because all inputs and processing preserve utf-8")
40}
41
42#[cfg(not(debug_assertions))]
43fn convert_buffer(buffer: Vec<u8>) -> String {
44    unsafe { String::from_utf8_unchecked(buffer) }
45}
loose_liquid/template.rs

loose_liquid/
template.rs
