From be41f7f473070d00302d1a485819248f3b114fc4 Mon Sep 17 00:00:00 2001
From: Jean-Philippe Lang <jp_lang@yahoo.fr>
Date: Sat, 7 Nov 2009 09:08:13 +0000
Subject: Upgrade Coderay to 0.9.0.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@3014 e93f8b46-1217-0410-a6f0-8f06a7374b81
---
 .../coderay-0.9.0/lib/coderay/for_redcloth.rb      | 85 ++++++++++++++++++++++
 1 file changed, 85 insertions(+)
 create mode 100644 vendor/plugins/coderay-0.9.0/lib/coderay/for_redcloth.rb

(limited to 'vendor/plugins/coderay-0.9.0/lib/coderay/for_redcloth.rb')

diff --git a/vendor/plugins/coderay-0.9.0/lib/coderay/for_redcloth.rb b/vendor/plugins/coderay-0.9.0/lib/coderay/for_redcloth.rb
new file mode 100644
index 000000000..0857aba1d
--- /dev/null
+++ b/vendor/plugins/coderay-0.9.0/lib/coderay/for_redcloth.rb
@@ -0,0 +1,85 @@
+module CodeRay
+  
+  # A little hack to enable CodeRay highlighting in RedCloth.
+  # 
+  # Usage:
+  #  require 'coderay'
+  #  require 'coderay/for_redcloth'
+  #  RedCloth.new('@[ruby]puts "Hello, World!"@').to_html
+  # 
+  # Make sure you have RedCloth 4.0.3 activated, for example by calling
+  #  require 'rubygems'
+  # before RedCloth is loaded and before calling CodeRay.for_redcloth.
+  module ForRedCloth
+    
+    def self.install
+      gem 'RedCloth', '>= 4.0.3' rescue nil
+      require 'redcloth'
+      unless RedCloth::VERSION.to_s >= '4.0.3'
+        raise 'CodeRay.for_redcloth needs RedCloth version 4.0.3 or later.'
+      end
+      RedCloth::TextileDoc.send :include, ForRedCloth::TextileDoc
+      RedCloth::Formatters::HTML.module_eval do
+        def unescape(html)
+          replacements = {
+            '&amp;' => '&',
+            '&quot;' => '"',
+            '&gt;' => '>',
+            '&lt;' => '<',
+          }
+          html.gsub(/&(?:amp|quot|[gl]t);/) { |entity| replacements[entity] }
+        end
+        undef code, bc_open, bc_close, escape_pre
+        def code(opts)  # :nodoc:
+          opts[:block] = true
+          if !opts[:lang] && RedCloth::VERSION.to_s >= '4.2.0'
+            # simulating pre-4.2 behavior
+            if opts[:text].sub!(/\A\[(\w+)\]/, '')
+              if CodeRay::Scanners[$1].plugin_id == 'plaintext'
+                opts[:text] = $& + opts[:text]
+              else
+                opts[:lang] = $1
+              end
+            end
+          end
+          if opts[:lang] && !filter_coderay
+            require 'coderay'
+            @in_bc ||= nil
+            format = @in_bc ? :div : :span
+            opts[:text] = unescape(opts[:text]) unless @in_bc
+            highlighted_code = CodeRay.encode opts[:text], opts[:lang], format, :stream => true
+            highlighted_code.sub!(/\A<(span|div)/) { |m| m + pba(@in_bc || opts) }
+            highlighted_code
+          else
+            "<code#{pba(opts)}>#{opts[:text]}</code>"
+          end
+        end
+        def bc_open(opts)  # :nodoc:
+          opts[:block] = true
+          @in_bc = opts
+          opts[:lang] ? '' : "<pre#{pba(opts)}>"
+        end
+        def bc_close(opts)  # :nodoc:
+          opts = @in_bc
+          @in_bc = nil
+          opts[:lang] ? '' : "</pre>\n"
+        end
+        def escape_pre(text)
+          if @in_bc ||= nil
+            text
+          else
+            html_esc(text, :html_escape_preformatted)
+          end
+        end
+      end
+    end
+
+    module TextileDoc  # :nodoc:
+      attr_accessor :filter_coderay
+    end
+    
+  end
+  
+end
+
+CodeRay::ForRedCloth.install
\ No newline at end of file
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