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use std::collections::HashMap;
#[derive(Default, Clone)]
pub struct Template {
pub(crate) template_str: String,
pub(crate) params: HashMap<String, String>,
pub(crate) impl_params: HashMap<String, Vec<HashMap<String, String>>>,
}
impl Template {
/// Add a parameter
pub fn insert_param(&mut self, name: String, value: String) {
self.params.insert(name, value);
}
/// Add an implementation block and return a HashMap to set its parameters
pub fn add_impl(&mut self, impl_name: String) -> &mut Vec<HashMap<String, String>> {
self.impl_params
.entry(impl_name)
.or_insert_with(|| Vec::<HashMap<String, String>>::new())
}
}
impl From<String> for Template {
fn from(s: String) -> Self {
Template {
template_str: s,
..Default::default()
}
}
}
impl<'a> From<&'a str> for Template {
fn from(s: &'a str) -> Self {
Template {
template_str: s.to_string(),
..Default::default()
}
}
}
impl<'a> From<std::borrow::Cow<'a, str>> for Template {
fn from(s: std::borrow::Cow<'a, str>) -> Self {
Template {
template_str: s.into_owned(),
..Default::default()
}
}
}
impl std::fmt::Display for Template {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
let cloned = self.clone();
write!(f, "{}", cloned.expand().unwrap_or_default())
}
}
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