1 files changed, 103 insertions, 0 deletions
diff --git a/vendor/ucd-parse/src/word_break.rs b/vendor/ucd-parse/src/word_break.rs
new file mode 100644
index 000000000..57d512667
--- /dev/null
+++ b/vendor/ucd-parse/src/word_break.rs
@@ -0,0 +1,103 @@
+use std::path::Path;
+use std::str::FromStr;
+
+use crate::common::{
+    parse_break_test, parse_codepoint_association, CodepointIter, Codepoints,
+    UcdFile, UcdFileByCodepoint,
+};
+use crate::error::Error;
+
+/// A single row in the `auxiliary/WordBreakProperty.txt` file.
+#[derive(Clone, Debug, Default, Eq, PartialEq)]
+pub struct WordBreak {
+    /// The codepoint or codepoint range for this entry.
+    pub codepoints: Codepoints,
+    /// The property value assigned to the codepoints in this entry.
+    pub value: String,
+}
+
+impl UcdFile for WordBreak {
+    fn relative_file_path() -> &'static Path {
+        Path::new("auxiliary/WordBreakProperty.txt")
+    }
+}
+
+impl UcdFileByCodepoint for WordBreak {
+    fn codepoints(&self) -> CodepointIter {
+        self.codepoints.into_iter()
+    }
+}
+
+impl FromStr for WordBreak {
+    type Err = Error;
+
+    fn from_str(line: &str) -> Result<WordBreak, Error> {
+        let (codepoints, value) = parse_codepoint_association(line)?;
+        Ok(WordBreak { codepoints, value: value.to_string() })
+    }
+}
+
+/// A single row in the `auxiliary/WordBreakTest.txt` file.
+///
+/// This file defines tests for the word break algorithm.
+#[derive(Clone, Debug, Default, Eq, PartialEq)]
+pub struct WordBreakTest {
+    /// Each string is a UTF-8 encoded group of codepoints that make up a
+    /// single word.
+    pub words: Vec<String>,
+    /// A human readable description of this test.
+    pub comment: String,
+}
+
+impl UcdFile for WordBreakTest {
+    fn relative_file_path() -> &'static Path {
+        Path::new("auxiliary/WordBreakTest.txt")
+    }
+}
+
+impl FromStr for WordBreakTest {
+    type Err = Error;
+
+    fn from_str(line: &str) -> Result<WordBreakTest, Error> {
+        let (groups, comment) = parse_break_test(line)?;
+        Ok(WordBreakTest { words: groups, comment })
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::{WordBreak, WordBreakTest};
+
+    #[test]
+    fn parse_single() {
+        let line = "0A83          ; Extend # Mc       GUJARATI SIGN VISARGA\n";
+        let row: WordBreak = line.parse().unwrap();
+        assert_eq!(row.codepoints, 0x0A83);
+        assert_eq!(row.value, "Extend");
+    }
+
+    #[test]
+    fn parse_range() {
+        let line = "104A0..104A9  ; Numeric # Nd  [10] OSMANYA DIGIT ZERO..OSMANYA DIGIT NINE\n";
+        let row: WordBreak = line.parse().unwrap();
+        assert_eq!(row.codepoints, (0x104A0, 0x104A9));
+        assert_eq!(row.value, "Numeric");
+    }
+
+    #[test]
+    fn parse_test() {
+        let line = "÷ 0031 ÷ 0027 × 0308 ÷ 0061 ÷ 0027 × 2060 ÷	#  ÷ [0.2] DIGIT ONE (Numeric) ÷ [999.0] APOSTROPHE (Single_Quote) × [4.0] COMBINING DIAERESIS (Extend_FE) ÷ [999.0] LATIN SMALL LETTER A (ALetter) ÷ [999.0] APOSTROPHE (Single_Quote) × [4.0] WORD JOINER (Format_FE) ÷ [0.3]";
+
+        let row: WordBreakTest = line.parse().unwrap();
+        assert_eq!(
+            row.words,
+            vec![
+                "\u{0031}",
+                "\u{0027}\u{0308}",
+                "\u{0061}",
+                "\u{0027}\u{2060}",
+            ]
+        );
+        assert!(row.comment.contains("[4.0] COMBINING DIAERESIS (Extend_FE)"));
+    }
+}