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use std::path::PathBuf;
use crate::project::Project;
pub trait Parser {
type Error: std::error::Error;
fn parse(&self, path_buf: PathBuf) -> Result<Project, Self::Error>;
}
pub trait FilterMap {
fn filter_map(&self, path_buf: PathBuf) -> Option<Project>;
}
impl<T> FilterMap for T
where
T: Parser,
{
fn filter_map(&self, path_buf: PathBuf) -> Option<Project> {
match self.parse(path_buf) {
Ok(p) => Some(p),
Err(err) => {
tracing::info!(%err, "Parser failed to parse project");
None
}
}
}
}
impl FilterMap for Vec<Box<dyn FilterMap>> {
fn filter_map(&self, path_buf: PathBuf) -> Option<Project> {
self.iter()
.filter_map(|p| p.filter_map(path_buf.to_owned()))
.reduce(|max, p| p.max(max))
}
}
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