add utf-8 character encoding

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "charsets"
-version = "0.1.0"
+version = "0.1.1"
 authors = ["Pyfisch <pyfisch@gmail.com>"]
 description = "An enum representing all charset names commonly used."
 readme = "README.md"

src/lib.rs

@@ -22,12 +22,12 @@ pub use self::Charset::*;
 #[derive(Debug, Eq, PartialEq)]
 pub enum Error {
     /// Parsing as as charset failed.
-    Invalid
+    Invalid,
 }
 
 impl ErrorTrait for Error {
     fn description(&self) -> &str {
-        return "The given charset is invalid"
+        return "The given charset is invalid";
     }
 }
 
@@ -95,12 +95,13 @@ pub enum Charset{
     Big5,
     /// KOI8-R
     Koi8R,
+    /// UTF-8
+    Utf8,
     /// An arbitrary charset specified as a string
-    Unregistered(String)
+    Unregistered(String),
 }
 
-const MAPPING: [(Charset, &'static str); 24] = [
-    (UsAscii, "US-ASCII"),
+const MAPPING: [(Charset, &'static str); 25] = [(UsAscii, "US-ASCII"),
  (Iso88591, "ISO-8859-1"),
  (Iso88592, "ISO-8859-2"),
  (Iso88593, "ISO-8859-3"),
@@ -123,17 +124,18 @@ const MAPPING: [(Charset, &'static str); 24] = [
  (Iso88598I, "ISO-8859-8-I"),
  (Gb2312, "GB2312"),
  (Big5, "5"),
-    (Koi8R, "KOI8-R")
-];
+ (Koi8R, "KOI8-R"),
+ (Utf8, "utf-8")];
 
 impl Charset {
     fn name(&self) -> &str {
         if let &Unregistered(ref s) = self {
-            return &s[..]
+            return &s[..];
         }
         MAPPING.iter()
                .find(|&&(ref variant, _)| self == variant)
-            .map(|&(_, name)| name).unwrap()
+               .map(|&(_, name)| name)
+               .unwrap()
     }
 }
 
@@ -179,9 +181,10 @@ impl PartialEq for Charset {
             (&Iso88598I, &Iso88598I) |
             (&Gb2312, &Gb2312) |
             (&Big5, &Big5) |
-            (&Koi8R, &Koi8R) => true,
+            (&Koi8R, &Koi8R) |
+            (&Utf8, &Utf8) => true,
             (&Unregistered(ref s), &Unregistered(ref t)) => s.eq_ignore_ascii_case(t),
-            _ => false
+            _ => false,
         }
     }
 }
@@ -209,6 +212,7 @@ mod tests {
     fn test_cmp() {
         assert!(Iso88593 == Iso88593);
         assert!(UsAscii != Iso88593);
-        assert_eq!(Unregistered("foobar".to_owned()), Unregistered("FOOBAR".to_owned()));
+        assert_eq!(Unregistered("foobar".to_owned()),
+                   Unregistered("FOOBAR".to_owned()));
     }
 }