| use std::path::Path; |
| |
| use crate::{ |
| common::{ |
| parse_codepoint_association, CodepointIter, Codepoints, UcdFile, |
| UcdFileByCodepoint, |
| }, |
| error::Error, |
| }; |
| |
| /// A single row in the `extracted/DerivedName.txt` file. |
| /// |
| /// This file gives the derived values of the Name property. |
| #[derive(Clone, Debug, Default, Eq, PartialEq)] |
| pub struct DerivedName { |
| /// The codepoint or codepoint range for this entry. |
| pub codepoints: Codepoints, |
| /// The derived Name of the codepoints in this entry. |
| pub name: String, |
| } |
| |
| impl UcdFile for DerivedName { |
| fn relative_file_path() -> &'static Path { |
| Path::new("extracted/DerivedName.txt") |
| } |
| } |
| |
| impl UcdFileByCodepoint for DerivedName { |
| fn codepoints(&self) -> CodepointIter { |
| self.codepoints.into_iter() |
| } |
| } |
| |
| impl std::str::FromStr for DerivedName { |
| type Err = Error; |
| |
| fn from_str(line: &str) -> Result<DerivedName, Error> { |
| let (codepoints, name) = parse_codepoint_association(line)?; |
| Ok(DerivedName { codepoints, name: name.to_string() }) |
| } |
| } |
| |
| #[cfg(test)] |
| mod tests { |
| use super::DerivedName; |
| |
| #[test] |
| fn parse_single() { |
| let line = "0021 ; EXCLAMATION MARK\n"; |
| let row: DerivedName = line.parse().unwrap(); |
| assert_eq!(row.codepoints, 0x0021); |
| assert_eq!(row.name, "EXCLAMATION MARK"); |
| } |
| |
| #[test] |
| fn parse_range() { |
| let line = "3400..4DBF ; CJK UNIFIED IDEOGRAPH-*\n"; |
| let row: DerivedName = line.parse().unwrap(); |
| assert_eq!(row.codepoints, (0x3400, 0x4DBF)); |
| assert_eq!(row.name, "CJK UNIFIED IDEOGRAPH-*"); |
| } |
| } |