diff options
Diffstat (limited to 'lib/coderay/encoders/html.rb')
| -rw-r--r-- | lib/coderay/encoders/html.rb | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/lib/coderay/encoders/html.rb b/lib/coderay/encoders/html.rb index d2ebb5a..0f38726 100644 --- a/lib/coderay/encoders/html.rb +++ b/lib/coderay/encoders/html.rb @@ -178,10 +178,19 @@ module Encoders @out = '' end + @tab_replacement = ' ' * options[:tab_width] + @escape_cache = Hash.new do |cache, text| + cache.clear if cache.size >= 100 + + cache[text] = + if text =~ /#{HTML_ESCAPE_PATTERN}/o + text.gsub(/#{HTML_ESCAPE_PATTERN}/o) { |m| m == "\t" ? @tab_replacement : HTML_ESCAPE[m] } + else + text + end + end @break_lines = (options[:break_lines] == true) - @HTML_ESCAPE = HTML_ESCAPE.merge("\t" => ' ' * options[:tab_width]) - @opened = [] @last_opened = nil @css = CSS.new options[:style] @@ -197,7 +206,7 @@ module Encoders @last_opened = nil end - if @out.respond_to? :to_str + if options[:wrap] || options[:line_numbers] @out.extend Output @out.css = @css if options[:line_numbers] @@ -220,7 +229,7 @@ module Encoders def text_token text, kind style = @span_for_kinds[@last_opened ? [kind, *@opened] : kind] - text = text.gsub(/#{HTML_ESCAPE_PATTERN}/o) { |m| @HTML_ESCAPE[m] } if text =~ /#{HTML_ESCAPE_PATTERN}/o + text = @escape_cache[text] if text.size <= 1 || text =~ /#{HTML_ESCAPE_PATTERN}/o text = break_lines(text, style) if @break_lines && (style || @opened.size > 0) && text.index("\n") if style |