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use std::path::PathBuf;
use std::fmt;
use std::str::FromStr;
use std::string::ParseError;
use url::{self,Url};
use serde_derive::Serialize;
#[derive(Debug,PartialEq,Serialize,Clone)]
#[serde(untagged)]
pub enum Target {
#[serde(serialize_with = "serialize_url")]
Url(Url),
Path(PathBuf),
}
impl From<Url> for Target {
fn from(url: Url) -> Self {
Target::Url(url)
}
}
impl From<PathBuf> for Target {
fn from(path: PathBuf) -> Self {
Target::Path(path)
}
}
impl fmt::Display for Target {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
use Target::*;
match *self {
Url (ref url) => write!(f, "{}", url),
Path(ref path) => write!(f, "{}", path.display()),
}
}
}
impl FromStr for Target {
type Err = ParseError;
fn from_str(input: &str) -> Result<Self, Self::Err> {
Ok(match Url::parse(input) {
Ok(url) => url.into(),
Err(_) => PathBuf::from(input.trim()).into(),
})
}
}
pub fn serialize_url<S>(url: &Url, serializer: S) -> Result<S::Ok, S::Error> where S: serde::ser::Serializer {
serializer.serialize_str(url.as_str())
}
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