1 files changed, 50 insertions, 54 deletions

diff --git a/document_tree/src/url.rs b/document_tree/src/url.rs
index 543f9e5..be320e9 100644
--- a/document_tree/src/url.rs
+++ b/document_tree/src/url.rs
@@ -1,78 +1,74 @@
 use std::fmt;
 use std::str::FromStr;
 
-use url::{self,ParseError};
 use serde_derive::Serialize;
-
+use url::{self, ParseError};
 
 fn starts_with_scheme(input: &str) -> bool {
-	let scheme = input.split(':').next().unwrap();
-	if scheme == input || scheme.is_empty() {
-		return false;
-	}
-	let mut chars = input.chars();
-	// First character.
-	if !chars.next().unwrap().is_ascii_alphabetic() {
-		return false;
-	}
-	for ch in chars {
-		if !ch.is_ascii_alphanumeric() && ch != '+' && ch != '-' && ch != '.' {
-			return false;
-		}
-	}
-	true
+    let scheme = input.split(':').next().unwrap();
+    if scheme == input || scheme.is_empty() {
+        return false;
+    }
+    let mut chars = input.chars();
+    // First character.
+    if !chars.next().unwrap().is_ascii_alphabetic() {
+        return false;
+    }
+    for ch in chars {
+        if !ch.is_ascii_alphanumeric() && ch != '+' && ch != '-' && ch != '.' {
+            return false;
+        }
+    }
+    true
 }
 
 /// The string representation of a URL, either absolute or relative, that has
 /// been verified as a valid URL on construction.
-#[derive(Debug,PartialEq,Serialize,Clone)]
+#[derive(Debug, PartialEq, Serialize, Clone)]
 #[serde(transparent)]
 pub struct Url(String);
 
 impl Url {
-	pub fn parse_absolute(input: &str) -> Result<Self, ParseError> {
-		Ok(url::Url::parse(input)?.into())
-	}
-	pub fn parse_relative(input: &str) -> Result<Self, ParseError> {
-		// We're assuming that any scheme through which RsT documents are being
-		// accessed is a hierarchical scheme, and so we can parse relative to a
-		// random hierarchical URL.
-		if input.starts_with('/') || !starts_with_scheme(input) {
-			// Continue only if the parse succeeded, disregarding its result.
-			let random_base_url = url::Url::parse("https://a/b").unwrap();
-			url::Url::options()
-				.base_url(Some(&random_base_url))
-				.parse(input)?;
-			Ok(Url(input.into()))
-		} else {
-			// If this is a URL at all, it's an absolute one.
-			// There's no appropriate variant of url::ParseError really.
-			Err(ParseError::SetHostOnCannotBeABaseUrl)
-		}
-	}
-	pub fn as_str(&self) -> &str {
-		self.0.as_str()
-	}
+    pub fn parse_absolute(input: &str) -> Result<Self, ParseError> {
+        Ok(url::Url::parse(input)?.into())
+    }
+    pub fn parse_relative(input: &str) -> Result<Self, ParseError> {
+        // We're assuming that any scheme through which RsT documents are being
+        // accessed is a hierarchical scheme, and so we can parse relative to a
+        // random hierarchical URL.
+        if input.starts_with('/') || !starts_with_scheme(input) {
+            // Continue only if the parse succeeded, disregarding its result.
+            let random_base_url = url::Url::parse("https://a/b").unwrap();
+            url::Url::options()
+                .base_url(Some(&random_base_url))
+                .parse(input)?;
+            Ok(Url(input.into()))
+        } else {
+            // If this is a URL at all, it's an absolute one.
+            // There's no appropriate variant of url::ParseError really.
+            Err(ParseError::SetHostOnCannotBeABaseUrl)
+        }
+    }
+    pub fn as_str(&self) -> &str {
+        self.0.as_str()
+    }
 }
 
 impl From<url::Url> for Url {
-	fn from(url: url::Url) -> Self {
-		Url(url.into())
-	}
+    fn from(url: url::Url) -> Self {
+        Url(url.into())
+    }
 }
 
-
 impl fmt::Display for Url {
-	fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
-		write!(f, "{}", self.as_str())
-	}
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        write!(f, "{}", self.as_str())
+    }
 }
 
-
 impl FromStr for Url {
-	type Err = ParseError;
-	fn from_str(input: &str) -> Result<Self, Self::Err> {
-		Url::parse_absolute(input)
-			.or_else(|_| Url::parse_relative(input))
-	}
+    type Err = ParseError;
+    fn from_str(input: &str) -> Result<Self, Self::Err> {
+        Url::parse_absolute(input).or_else(|_| Url::parse_relative(input))
+    }
 }