| use std::path::Path; |
| |
| use crate::{ |
| common::{ |
| parse_codepoint_association, CodepointIter, Codepoints, UcdFile, |
| UcdFileByCodepoint, |
| }, |
| error::Error, |
| }; |
| |
| /// A single row in the `PropList.txt` file. |
| /// |
| /// The `PropList.txt` file is the source of truth on several Unicode |
| /// properties. |
| #[derive(Clone, Debug, Default, Eq, PartialEq)] |
| pub struct Property { |
| /// The codepoint or codepoint range for this entry. |
| pub codepoints: Codepoints, |
| /// The property name assigned to the codepoints in this entry. |
| pub property: String, |
| } |
| |
| impl UcdFile for Property { |
| fn relative_file_path() -> &'static Path { |
| Path::new("PropList.txt") |
| } |
| } |
| |
| impl UcdFileByCodepoint for Property { |
| fn codepoints(&self) -> CodepointIter { |
| self.codepoints.into_iter() |
| } |
| } |
| |
| impl std::str::FromStr for Property { |
| type Err = Error; |
| |
| fn from_str(line: &str) -> Result<Property, Error> { |
| let (codepoints, property) = parse_codepoint_association(line)?; |
| Ok(Property { codepoints, property: property.to_string() }) |
| } |
| } |
| |
| #[cfg(test)] |
| mod tests { |
| use super::Property; |
| |
| #[test] |
| fn parse_single() { |
| let line = |
| "061C ; Bidi_Control # Cf ARABIC LETTER MARK\n"; |
| let row: Property = line.parse().unwrap(); |
| assert_eq!(row.codepoints, 0x061C); |
| assert_eq!(row.property, "Bidi_Control"); |
| } |
| |
| #[test] |
| fn parse_range() { |
| let line = "0009..000D ; White_Space # Cc [5] <control-0009>..<control-000D>\n"; |
| let row: Property = line.parse().unwrap(); |
| assert_eq!(row.codepoints, (0x0009, 0x000D)); |
| assert_eq!(row.property, "White_Space"); |
| } |
| } |