use crate::{Error, Result};
use std::str::FromStr;
use url::{ParseError, Url};
pub trait IntoUrl {
fn into_url(self, base: Option<&Url>) -> Result<Url>;
}
impl IntoUrl for Url {
fn into_url(self, base: Option<&Url>) -> Result<Url> {
if self.cannot_be_a_base() {
return Err(crate::Error::UnexpectedUriFormat);
}
if base.is_some_and(|base| !self.as_str().starts_with(base.as_str())) {
Err(Error::UnexpectedUriFormat)
} else {
Ok(self)
}
}
}
impl IntoUrl for &str {
fn into_url(self, base: Option<&Url>) -> Result<Url> {
match (Url::from_str(self), base) {
(Ok(url), base) => url.into_url(base),
(Err(ParseError::RelativeUrlWithoutBase), Some(base)) => base
.join(self.trim_start_matches('/'))
.map_err(|_| Error::UnexpectedUriFormat),
_ => Err(Error::UnexpectedUriFormat),
}
}
}