hyper_sync/header/shared/
charset.rs

1use std::fmt::{self, Display};
2use std::str::FromStr;
3#[allow(unused, deprecated)]
4use std::ascii::AsciiExt;
5
6use self::Charset::*;
7
8/// A Mime charset.
9///
10/// The string representation is normalised to upper case.
11///
12/// See [http://www.iana.org/assignments/character-sets/character-sets.xhtml][url].
13///
14/// [url]: http://www.iana.org/assignments/character-sets/character-sets.xhtml
15#[derive(Clone,Debug,PartialEq)]
16#[allow(non_camel_case_types)]
17pub enum Charset{
18    /// US ASCII
19    Us_Ascii,
20    /// ISO-8859-1
21    Iso_8859_1,
22    /// ISO-8859-2
23    Iso_8859_2,
24    /// ISO-8859-3
25    Iso_8859_3,
26    /// ISO-8859-4
27    Iso_8859_4,
28    /// ISO-8859-5
29    Iso_8859_5,
30    /// ISO-8859-6
31    Iso_8859_6,
32    /// ISO-8859-7
33    Iso_8859_7,
34    /// ISO-8859-8
35    Iso_8859_8,
36    /// ISO-8859-9
37    Iso_8859_9,
38    /// ISO-8859-10
39    Iso_8859_10,
40    /// Shift_JIS
41    Shift_Jis,
42    /// EUC-JP
43    Euc_Jp,
44    /// ISO-2022-KR
45    Iso_2022_Kr,
46    /// EUC-KR
47    Euc_Kr,
48    /// ISO-2022-JP
49    Iso_2022_Jp,
50    /// ISO-2022-JP-2
51    Iso_2022_Jp_2,
52    /// ISO-8859-6-E
53    Iso_8859_6_E,
54    /// ISO-8859-6-I
55    Iso_8859_6_I,
56    /// ISO-8859-8-E
57    Iso_8859_8_E,
58    /// ISO-8859-8-I
59    Iso_8859_8_I,
60    /// GB2312
61    Gb2312,
62    /// Big5
63    Big5,
64    /// KOI8-R
65    Koi8_R,
66    /// An arbitrary charset specified as a string
67    Ext(String)
68}
69
70impl Charset {
71    fn name(&self) -> &str {
72        match *self {
73            Us_Ascii => "US-ASCII",
74            Iso_8859_1 => "ISO-8859-1",
75            Iso_8859_2 => "ISO-8859-2",
76            Iso_8859_3 => "ISO-8859-3",
77            Iso_8859_4 => "ISO-8859-4",
78            Iso_8859_5 => "ISO-8859-5",
79            Iso_8859_6 => "ISO-8859-6",
80            Iso_8859_7 => "ISO-8859-7",
81            Iso_8859_8 => "ISO-8859-8",
82            Iso_8859_9 => "ISO-8859-9",
83            Iso_8859_10 => "ISO-8859-10",
84            Shift_Jis => "Shift-JIS",
85            Euc_Jp => "EUC-JP",
86            Iso_2022_Kr => "ISO-2022-KR",
87            Euc_Kr => "EUC-KR",
88            Iso_2022_Jp => "ISO-2022-JP",
89            Iso_2022_Jp_2 => "ISO-2022-JP-2",
90            Iso_8859_6_E => "ISO-8859-6-E",
91            Iso_8859_6_I => "ISO-8859-6-I",
92            Iso_8859_8_E => "ISO-8859-8-E",
93            Iso_8859_8_I => "ISO-8859-8-I",
94            Gb2312 => "GB2312",
95            Big5 => "5",
96            Koi8_R => "KOI8-R",
97            Ext(ref s) => s
98        }
99    }
100}
101
102impl Display for Charset {
103    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
104        f.write_str(self.name())
105    }
106}
107
108impl FromStr for Charset {
109    type Err = ::Error;
110    fn from_str(s: &str) -> ::Result<Charset> {
111        Ok(match s.to_ascii_uppercase().as_ref() {
112            "US-ASCII" => Us_Ascii,
113            "ISO-8859-1" => Iso_8859_1,
114            "ISO-8859-2" => Iso_8859_2,
115            "ISO-8859-3" => Iso_8859_3,
116            "ISO-8859-4" => Iso_8859_4,
117            "ISO-8859-5" => Iso_8859_5,
118            "ISO-8859-6" => Iso_8859_6,
119            "ISO-8859-7" => Iso_8859_7,
120            "ISO-8859-8" => Iso_8859_8,
121            "ISO-8859-9" => Iso_8859_9,
122            "ISO-8859-10" => Iso_8859_10,
123            "SHIFT-JIS" => Shift_Jis,
124            "EUC-JP" => Euc_Jp,
125            "ISO-2022-KR" => Iso_2022_Kr,
126            "EUC-KR" => Euc_Kr,
127            "ISO-2022-JP" => Iso_2022_Jp,
128            "ISO-2022-JP-2" => Iso_2022_Jp_2,
129            "ISO-8859-6-E" => Iso_8859_6_E,
130            "ISO-8859-6-I" => Iso_8859_6_I,
131            "ISO-8859-8-E" => Iso_8859_8_E,
132            "ISO-8859-8-I" => Iso_8859_8_I,
133            "GB2312" => Gb2312,
134            "5" => Big5,
135            "KOI8-R" => Koi8_R,
136            s => Ext(s.to_owned())
137        })
138    }
139}
140
141#[test]
142fn test_parse() {
143    assert_eq!(Us_Ascii,"us-ascii".parse().unwrap());
144    assert_eq!(Us_Ascii,"US-Ascii".parse().unwrap());
145    assert_eq!(Us_Ascii,"US-ASCII".parse().unwrap());
146    assert_eq!(Shift_Jis,"Shift-JIS".parse().unwrap());
147    assert_eq!(Ext("ABCD".to_owned()),"abcd".parse().unwrap());
148}
149
150#[test]
151fn test_display() {
152    assert_eq!("US-ASCII", format!("{}", Us_Ascii));
153    assert_eq!("ABCD", format!("{}", Ext("ABCD".to_owned())));
154}
hyper_sync/header/shared/charset.rs

hyper_sync/header/shared/
charset.rs
