list.rb in kramdown-2.5.0

- old
+ new

@@ -28,14 +28,14 @@
       end
 
       # Used for parsing the first line of a list item or a definition, i.e. the line with list item
       # marker or the definition marker.
       def parse_first_list_line(indentation, content)
-        if content =~ self.class::LIST_ITEM_IAL_CHECK
+        if content.match?(self.class::LIST_ITEM_IAL_CHECK)
           indentation = 4
         else
-          while content =~ /^ *\t/
+          while content.match?(/^ *\t/)
             temp = content.scan(/^ */).first.length + indentation
             content.sub!(/^( *)(\t+)/) { $1 << " " * (4 - (temp % 4) + ($2.length - 1) * 4) }
           end
           indentation += content[/^ */].length
         end
@@ -165,11 +165,11 @@
           para = @tree.children.pop
           first_as_para = true
         end
         # take location from preceding para which is the first definition term
         deflist.options[:location] = para.options[:location]
-        para.children.first.value.split(/\n/).each do |term|
+        para.children.first.value.split("\n").each do |term|
           el = Element.new(:dt, nil, nil, location: @src.current_line_number)
           term.sub!(self.class::LIST_ITEM_IAL) do
             parse_attribute_list($1, el.options[:ial] ||= {})
             ''
           end
@@ -254,29 +254,30 @@
       private
 
       # precomputed patterns for indentations 1..4 and fallback expression
       # to compute pattern when indentation is outside the 1..4 range.
       def fetch_pattern(type, indentation)
-        if type == :ul
+        case type
+        when :ul
           case indentation
-          when 1 then %r/^( {0}[+*-])(#{PATTERN_TAIL})/o
-          when 2 then %r/^( {0,1}[+*-])(#{PATTERN_TAIL})/o
-          when 3 then %r/^( {0,2}[+*-])(#{PATTERN_TAIL})/o
-          else %r/^( {0,3}[+*-])(#{PATTERN_TAIL})/o
+          when 1 then /^( {0}[+*-])(#{PATTERN_TAIL})/o
+          when 2 then /^( {0,1}[+*-])(#{PATTERN_TAIL})/o
+          when 3 then /^( {0,2}[+*-])(#{PATTERN_TAIL})/o
+          else /^( {0,3}[+*-])(#{PATTERN_TAIL})/o
           end
-        elsif type == :ol
+        when :ol
           case indentation
-          when 1 then %r/^( {0}\d+\.)(#{PATTERN_TAIL})/o
-          when 2 then %r/^( {0,1}\d+\.)(#{PATTERN_TAIL})/o
-          when 3 then %r/^( {0,2}\d+\.)(#{PATTERN_TAIL})/o
-          else %r/^( {0,3}\d+\.)(#{PATTERN_TAIL})/o
+          when 1 then /^( {0}\d+\.)(#{PATTERN_TAIL})/o
+          when 2 then /^( {0,1}\d+\.)(#{PATTERN_TAIL})/o
+          when 3 then /^( {0,2}\d+\.)(#{PATTERN_TAIL})/o
+          else /^( {0,3}\d+\.)(#{PATTERN_TAIL})/o
           end
-        elsif type == :dl
+        when :dl
           case indentation
-          when 1 then %r/^( {0}:)(#{PATTERN_TAIL})/o
-          when 2 then %r/^( {0,1}:)(#{PATTERN_TAIL})/o
-          when 3 then %r/^( {0,2}:)(#{PATTERN_TAIL})/o
-          else %r/^( {0,3}:)(#{PATTERN_TAIL})/o
+          when 1 then /^( {0}:)(#{PATTERN_TAIL})/o
+          when 2 then /^( {0,1}:)(#{PATTERN_TAIL})/o
+          when 3 then /^( {0,2}:)(#{PATTERN_TAIL})/o
+          else /^( {0,3}:)(#{PATTERN_TAIL})/o
           end
         end
       end
 
     end