vendor/ucd-parse/src/age.rs

   1
   2 use std::path::Path;
   3 use std::str::FromStr;
   4
   5 use common::{
   6     UcdFile, UcdFileByCodepoint, Codepoints, CodepointIter,
   7     parse_codepoint_association,
   8 };
   9 use error::Error;
  10
  11 /// A single row in the `DerivedAge.txt` file.
  12 #[derive(Clone, Debug, Default, Eq, PartialEq)]
  13 pub struct Age {
  14     /// The codepoint or codepoint range for this entry.
  15     pub codepoints: Codepoints,
  16     /// The age assigned to the codepoints in this entry.
  17     pub age: String,
  18 }
  19
  20 impl UcdFile for Age {
  21     fn relative_file_path() -> &'static Path {
  22         Path::new("DerivedAge.txt")
  23     }
  24 }
  25
  26 impl UcdFileByCodepoint for Age {
  27     fn codepoints(&self) -> CodepointIter {
  28         self.codepoints.into_iter()
  29     }
  30 }
  31
  32 impl FromStr for Age {
  33     type Err = Error;
  34
  35     fn from_str(line: &str) -> Result<Age, Error> {
  36         let (codepoints, script) = parse_codepoint_association(line)?;
  37         Ok(Age {
  38             codepoints: codepoints,
  39             age: script.to_string(),
  40         })
  41     }
  42 }
  43
  44 #[cfg(test)]
  45 mod tests {
  46     use super::Age;
  47
  48     #[test]
  49     fn parse_single() {
  50         let line = "2BD2          ; 10.0 #       GROUP MARK\n";
  51         let row: Age = line.parse().unwrap();
  52         assert_eq!(row.codepoints, 0x2BD2);
  53         assert_eq!(row.age, "10.0");
  54     }
  55
  56     #[test]
  57     fn parse_range() {
  58         let line = "11D0B..11D36  ; 10.0 #  [44] MASARAM GONDI LETTER AU..MASARAM GONDI VOWEL SIGN VOCALIC R\n";
  59         let row: Age = line.parse().unwrap();
  60         assert_eq!(row.codepoints, (0x11D0B, 0x11D36));
  61         assert_eq!(row.age, "10.0");
  62     }
  63 }