style and don't re-scan triple quotes

Author: jneen

lib/rouge/lexers/gherkin.rb

@@ -29,24 +29,28 @@ def self.detect?(text)
       end
 
       state :annotated_string do
-        rule %r(("""(\S+)\n)(.*?)("""))m do |m|
-        first_line, lang, content, last_line = m.captures
-          token Str, first_line
+        rule %r((""")(\S*)(.*?)("""))m do |m|
+          open, lang, content, close = m.captures
+
+          token Str, open
+          token Str::Escape, lang
+
           sublexer = Rouge::Lexer.find(lang.strip)
+
           if sublexer
             delegate sublexer, content
           else
             token Str, content
           end
-          token Str, last_line
+
+          token Str, close
         end
       end
 
       state :root do
         mixin :basic
         rule %r(\n), Text
         mixin :annotated_string
-        rule %r(""".*?""")m, Str
         rule %r(@[^\s@]+), Name::Tag
         mixin :has_table
         mixin :has_examples

spec/lexers/gherkin_spec.rb

@@ -53,16 +53,16 @@ class Calculator
         end
         """
       GHERKIN
-      
+
       find_calls = []
       original_find = Rouge::Lexer.method(:find)
       Rouge::Lexer.define_singleton_method(:find) do |lang|
         find_calls << lang
         original_find.call(lang)
       end
-      
+
       tokens = subject.lex(source).to_a
-        
+
       assert { tokens.size == 11 }
       assert { tokens[0][0] == Token['Name.Function'] }
       assert { tokens[2][0] == Token['Literal.String'] }