Merge pull request #340 from Enselic/add-syntax-set-builder-syntaxes-…

…method

SyntaxSetBuilder: Allow to list added syntaxes via a syntaxes() method

src/parsing/syntax_set.rs

@@ -431,6 +431,11 @@ impl SyntaxSetBuilder {
         self.syntaxes.push(syntax);
     }
 
+    /// The list of syntaxes added so far.
+    pub fn syntaxes(&self) -> &[SyntaxDefinition] {
+        &self.syntaxes[..]
+    }
+
     /// A rarely useful method that loads in a syntax with no highlighting rules for plain text
     ///
     /// Exists mainly for adding the plain text syntax to syntax set dumps, because for some reason
@@ -854,6 +859,18 @@ mod tests {
         assert_ops_contain(&ops, &expected);
     }
 
+    #[test]
+    fn can_list_added_syntaxes() {
+        let mut builder = SyntaxSetBuilder::new();
+        builder.add(syntax_a());
+        builder.add(syntax_b());
+        let syntaxes = builder.syntaxes();
+
+        assert_eq!(syntaxes.len(), 2);
+        assert_eq!(syntaxes[0].name, "A");
+        assert_eq!(syntaxes[1].name, "B");
+    }
+
     #[test]
     fn can_add_more_syntaxes_with_builder() {
         let syntax_set_original = {