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use std::path::{Component, Path, PathBuf};
use crate::{ResolveResult, Resolver, ResolverResult};
impl Resolver {
pub fn normalize_alias(&self, target: String) -> Option<String> {
match self
.options
.alias
.iter()
.find(|&(key, _)| target.starts_with(key))
{
Some((from, to)) => to.as_ref().map(|to| target.replacen(from, to, 1)),
None => Some(target),
}
}
#[cfg(not(target_os = "windows"))]
fn adjust(p: PathBuf) -> String {
p.display().to_string()
}
#[cfg(target_os = "windows")]
fn adjust(p: PathBuf) -> String {
const VERBATIM_PREFIX: &str = r#"\\?\"#;
let p = p.display().to_string();
if p.starts_with(VERBATIM_PREFIX) {
p[VERBATIM_PREFIX.len()..].to_string()
} else {
p
}
}
pub fn normalize_path(
&self,
result: ResolveResult,
query: &str,
fragment: &str,
) -> ResolverResult {
match result {
ResolveResult::Path(path) => {
if self.options.symlinks {
Path::canonicalize(&path)
.map_err(|_| "Path normalized failed".to_string())
.map(|result| {
ResolveResult::Path(PathBuf::from(format!(
"{}{}{}",
Self::adjust(result),
query,
fragment
)))
})
} else {
let result =
path.components()
.fold(PathBuf::new(), |mut acc, path_component| {
match path_component {
Component::Prefix(prefix) => acc.push(prefix.as_os_str()),
Component::Normal(name) => acc.push(name),
Component::RootDir => acc.push("/"),
Component::CurDir => {}
Component::ParentDir => {
acc.pop();
}
}
acc
});
Ok(ResolveResult::Path(PathBuf::from(format!(
"{}{}{}",
result.to_str().unwrap(),
query,
fragment
))))
}
}
ResolveResult::Ignored => Ok(ResolveResult::Ignored),
}
}
}