Merging upstream version 1.69.0+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 17 insertions, 1 deletions

diff --git a/vendor/unicode-bidi/src/char_data/mod.rs b/vendor/unicode-bidi/src/char_data/mod.rs
index a8b452788..4edf5b8f4 100644
--- a/vendor/unicode-bidi/src/char_data/mod.rs
+++ b/vendor/unicode-bidi/src/char_data/mod.rs
@@ -19,10 +19,10 @@ use core::cmp::Ordering::{Equal, Greater, Less};
 
 #[cfg(feature = "hardcoded-data")]
 use self::tables::bidi_class_table;
+use crate::data_source::BidiMatchedOpeningBracket;
 use crate::BidiClass::*;
 #[cfg(feature = "hardcoded-data")]
 use crate::BidiDataSource;
-
 /// Hardcoded Bidi data that ships with the unicode-bidi crate.
 ///
 /// This can be enabled with the default `hardcoded-data` Cargo feature.
@@ -42,6 +42,22 @@ pub fn bidi_class(c: char) -> BidiClass {
     bsearch_range_value_table(c, bidi_class_table)
 }
 
+/// If this character is a bracket according to BidiBrackets.txt,
+/// return the corresponding *normalized* *opening bracket* of the pair,
+/// and whether or not it itself is an opening bracket.
+pub(crate) fn bidi_matched_opening_bracket(c: char) -> Option<BidiMatchedOpeningBracket> {
+    for pair in self::tables::bidi_pairs_table {
+        if pair.0 == c || pair.1 == c {
+            let skeleton = pair.2.unwrap_or(pair.0);
+            return Some(BidiMatchedOpeningBracket {
+                opening: skeleton,
+                is_open: pair.0 == c,
+            });
+        }
+    }
+    None
+}
+
 pub fn is_rtl(bidi_class: BidiClass) -> bool {
     match bidi_class {
         RLE | RLO | RLI => true,