1 files changed, 101 insertions, 0 deletions
diff --git a/vendor/ucd-parse/src/sentence_break.rs b/vendor/ucd-parse/src/sentence_break.rs
new file mode 100644
index 000000000..74a6e8a08
--- /dev/null
+++ b/vendor/ucd-parse/src/sentence_break.rs
@@ -0,0 +1,101 @@
+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/SentenceBreakProperty.txt` file.
+#[derive(Clone, Debug, Default, Eq, PartialEq)]
+pub struct SentenceBreak {
+    /// 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 SentenceBreak {
+    fn relative_file_path() -> &'static Path {
+        Path::new("auxiliary/SentenceBreakProperty.txt")
+    }
+}
+
+impl UcdFileByCodepoint for SentenceBreak {
+    fn codepoints(&self) -> CodepointIter {
+        self.codepoints.into_iter()
+    }
+}
+
+impl FromStr for SentenceBreak {
+    type Err = Error;
+
+    fn from_str(line: &str) -> Result<SentenceBreak, Error> {
+        let (codepoints, value) = parse_codepoint_association(line)?;
+        Ok(SentenceBreak { codepoints, value: value.to_string() })
+    }
+}
+
+/// A single row in the `auxiliary/SentenceBreakTest.txt` file.
+///
+/// This file defines tests for the sentence break algorithm.
+#[derive(Clone, Debug, Default, Eq, PartialEq)]
+pub struct SentenceBreakTest {
+    /// Each string is a UTF-8 encoded group of codepoints that make up a
+    /// single sentence.
+    pub sentences: Vec<String>,
+    /// A human readable description of this test.
+    pub comment: String,
+}
+
+impl UcdFile for SentenceBreakTest {
+    fn relative_file_path() -> &'static Path {
+        Path::new("auxiliary/SentenceBreakTest.txt")
+    }
+}
+
+impl FromStr for SentenceBreakTest {
+    type Err = Error;
+
+    fn from_str(line: &str) -> Result<SentenceBreakTest, Error> {
+        let (groups, comment) = parse_break_test(line)?;
+        Ok(SentenceBreakTest { sentences: groups, comment })
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::{SentenceBreak, SentenceBreakTest};
+
+    #[test]
+    fn parse_single() {
+        let line = "11445         ; Extend # Mc       NEWA SIGN VISARGA\n";
+        let row: SentenceBreak = line.parse().unwrap();
+        assert_eq!(row.codepoints, 0x11445);
+        assert_eq!(row.value, "Extend");
+    }
+
+    #[test]
+    fn parse_range() {
+        let line = "FE31..FE32    ; SContinue # Pd   [2] PRESENTATION FORM FOR VERTICAL EM DASH..PRESENTATION FORM FOR VERTICAL EN DASH\n";
+        let row: SentenceBreak = line.parse().unwrap();
+        assert_eq!(row.codepoints, (0xFE31, 0xFE32));
+        assert_eq!(row.value, "SContinue");
+    }
+
+    #[test]
+    fn parse_test() {
+        let line = "÷ 2060 × 5B57 × 2060 × 002E × 2060 ÷ 5B57 × 2060 × 2060 ÷	#  ÷ [0.2] WORD JOINER (Format_FE) × [998.0] CJK UNIFIED IDEOGRAPH-5B57 (OLetter) × [5.0] WORD JOINER (Format_FE) × [998.0] FULL STOP (ATerm) × [5.0] WORD JOINER (Format_FE) ÷ [11.0] CJK UNIFIED IDEOGRAPH-5B57 (OLetter) × [5.0] WORD JOINER (Format_FE) × [5.0] WORD JOINER (Format_FE) ÷ [0.3]";
+
+        let row: SentenceBreakTest = line.parse().unwrap();
+        assert_eq!(
+            row.sentences,
+            vec![
+                "\u{2060}\u{5B57}\u{2060}\u{002E}\u{2060}",
+                "\u{5B57}\u{2060}\u{2060}",
+            ]
+        );
+        assert!(row.comment.contains("[5.0] WORD JOINER (Format_FE)"));
+    }
+}