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use url::Url;
pub trait IntoUrl: PolyfillTryInto {}
impl<T: PolyfillTryInto> IntoUrl for T {}
pub trait PolyfillTryInto {
fn into_url(self) -> crate::Result<Url>;
}
impl PolyfillTryInto for Url {
fn into_url(self) -> crate::Result<Url> {
if self.has_host() {
Ok(self)
} else {
Err(crate::error::url_bad_scheme(self))
}
}
}
impl<'a> PolyfillTryInto for &'a str {
fn into_url(self) -> crate::Result<Url> {
Url::parse(self).map_err(crate::error::builder)?.into_url()
}
}
impl<'a> PolyfillTryInto for &'a String {
fn into_url(self) -> crate::Result<Url> {
(&**self).into_url()
}
}
if_hyper! {
pub(crate) fn expect_uri(url: &Url) -> http::Uri {
url.as_str()
.parse()
.expect("a parsed Url should always be a valid Uri")
}
pub(crate) fn try_uri(url: &Url) -> Option<http::Uri> {
url.as_str().parse().ok()
}
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn into_url_file_scheme() {
let err = "file:///etc/hosts".into_url().unwrap_err();
assert_eq!(
err.to_string(),
"builder error for url (file:///etc/hosts): URL scheme is not allowed"
);
}
}