From b5dd1ba683fb9eb0a74ab0b1f54fd9977e0ed3be Mon Sep 17 00:00:00 2001
From: murphy <murphy@rubychan.de>
Date: Sun, 27 Jun 2010 02:49:23 +0000
Subject: More speedups for HTML encoding (numbering, CSS styles, Ruby 1.9).

---
 lib/coderay/encoders/html.rb           | 38 ++++++++++------------------------
 lib/coderay/encoders/html/css.rb       |  2 +-
 lib/coderay/encoders/html/numbering.rb | 10 ++++-----
 3 files changed, 17 insertions(+), 33 deletions(-)

(limited to 'lib/coderay/encoders')

diff --git a/lib/coderay/encoders/html.rb b/lib/coderay/encoders/html.rb
index 9d1671d..bd48a72 100644
--- a/lib/coderay/encoders/html.rb
+++ b/lib/coderay/encoders/html.rb
@@ -185,45 +185,29 @@ module Encoders
         raise ArgumentError, "Unknown value %p for :hint; \
           expected :info, :debug, false, or nil." % hint
       end
-
+      
+      css_classes = Tokens::AbbreviationForKind
       case options[:css]
 
       when :class
         @css_style = Hash.new do |h, k|
           kind = k.is_a?(Symbol) ? k : k.first
-          c = Tokens::AbbreviationForKind[kind]
           h[k.is_a?(Symbol) ? k : k.dup] =
-            if c != :NO_HIGHLIGHT or (hint && kind != :space)
-              if hint
-                title = HTML.token_path_to_hint hint, k
-              end
-              if c == :NO_HIGHLIGHT
-                '<span%s>' % [title]
-              else
-                '<span%s class="%s">' % [title, c]
-              end
+            if kind != :space && (hint || css_classes[kind])
+              title = HTML.token_path_to_hint hint, k if hint
+              css_class = css_classes[k]
+              "<span#{title}#{" class=\"#{css_class}\"" if css_class}>"
             end
         end
 
       when :style
         @css_style = Hash.new do |h, k|
-          if k.is_a?(Symbol)
-            kind = k
-            ks = [kind]
-          else
-            kind = k.first
-            ks = k
-          end
-          classes = ks.map { |c| Tokens::AbbreviationForKind[c] }
+          kind = k.is_a?(Symbol) ? k : k.first
           h[k.is_a?(Symbol) ? k : k.dup] =
-            if classes.first != :NO_HIGHLIGHT or (hint && kind != :space)
-              if hint
-                title = HTML.token_path_to_hint hint, k
-              end
-              style = @css[*classes]
-              if style
-                '<span%s style="%s">' % [title, style]
-              end
+            if kind != :space && (hint || css_classes[kind])
+              title = HTML.token_path_to_hint hint, k if hint
+              style = @css.get_style Array(k).map { |c| css_classes[c] }
+              "<span#{title}#{" style=\"#{style}\"" if style}>"
             end
         end
 
diff --git a/lib/coderay/encoders/html/css.rb b/lib/coderay/encoders/html/css.rb
index 05e4fa4..10e89fc 100644
--- a/lib/coderay/encoders/html/css.rb
+++ b/lib/coderay/encoders/html/css.rb
@@ -20,7 +20,7 @@ module Encoders
         parse style::TOKEN_COLORS
       end
 
-      def [] *styles
+      def get_style styles
         cl = @classes[styles.first]
         return '' unless cl
         style = ''
diff --git a/lib/coderay/encoders/html/numbering.rb b/lib/coderay/encoders/html/numbering.rb
index 3a7edce..ec6d569 100644
--- a/lib/coderay/encoders/html/numbering.rb
+++ b/lib/coderay/encoders/html/numbering.rb
@@ -26,7 +26,7 @@ module Encoders
               "<a href=\"##{anchor}\" name=\"#{anchor}\">#{line}</a>"
             end
           else
-            proc { |line| line.to_s }
+            proc { |line| line.to_s }  # :to_s.to_proc in Ruby 1.8.7+
           end
         
         bold_every = options[:bold_every]
@@ -80,11 +80,11 @@ module Encoders
           end
 
         when :table
-          line_numbers = (start ... start + line_count).to_a.map(&bolding).join("\n")
+          line_numbers = (start ... start + line_count).map(&bolding).join("\n")
           line_numbers << "\n"
-
           line_numbers_table_template = TABLE.apply('LINE_NUMBERS', line_numbers)
-          gsub!(/<\/div>\n/) { '</div>' }
+
+          gsub!(/<\/div>\n/, '</div>')
           wrap_in! line_numbers_table_template
           @wrapped_in = :div
 
@@ -101,7 +101,7 @@ module Encoders
 
       def line_count
         line_count = count("\n")
-        position_of_last_newline = rindex(?\n)
+        position_of_last_newline = rindex(RUBY_VERSION >= '1.9' ? /\n/ : ?\n)
         if position_of_last_newline
           after_last_newline = self[position_of_last_newline + 1 .. -1]
           ends_with_newline = after_last_newline[/\A(?:<\/span>)*\z/]
-- 
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