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Add function to find template relative to another template's path

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Dirkjan Ochtman 2017-08-06 14:42:24 +02:00
parent e293a1a90c
commit 670dbe4aec
1 changed files with 24 additions and 0 deletions
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24
askama_derive/src/path.rs
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@ -9,6 +9,30 @@ fn template_dir() -> PathBuf {
path
}
pub fn find_template_from_path<'a>(path: &str, start_at: Option<&str>) -> PathBuf {
let root = template_dir();
match start_at {
Some(rel) => {
let mut fs_rel_path = root.clone();
fs_rel_path.push(rel);
fs_rel_path = fs_rel_path.with_file_name(path);
if fs_rel_path.exists() {
return fs_rel_path.strip_prefix(&root).unwrap().to_owned();
}
},
None => {},
}
let mut fs_abs_path = root.clone();
let path = Path::new(path);
fs_abs_path.push(Path::new(path));
if fs_abs_path.exists() {
path.to_owned()
} else {
panic!(format!("template '{:?}' not found", path.to_str()));
}
}
pub fn get_template_source(tpl_file: &str) -> String {
let mut path = template_dir();
path.push(Path::new(tpl_file));