Coderay upgraded to 0.9.7 (#5344).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@4739 e93f8b46-1217-0410-a6f0-8f06a7374b81

3 files changed, 409 insertions, 0 deletions

diff --git a/vendor/gems/coderay-0.9.7/lib/coderay/encoders/html/css.rb b/vendor/gems/coderay-0.9.7/lib/coderay/encoders/html/css.rb
new file mode 100644
index 000000000..09ac8bc07
--- /dev/null
+++ b/vendor/gems/coderay-0.9.7/lib/coderay/encoders/html/css.rb
@@ -0,0 +1,70 @@
+module CodeRay
+module Encoders
+
+  class HTML
+    class CSS
+
+      attr :stylesheet
+
+      def CSS.load_stylesheet style = nil
+        CodeRay::Styles[style]
+      end
+
+      def initialize style = :default
+        @classes = Hash.new
+        style = CSS.load_stylesheet style
+        @stylesheet = [
+          style::CSS_MAIN_STYLES,
+          style::TOKEN_COLORS.gsub(/^(?!$)/, '.CodeRay ')
+        ].join("\n")
+        parse style::TOKEN_COLORS
+      end
+
+      def [] *styles
+        cl = @classes[styles.first]
+        return '' unless cl
+        style = ''
+        1.upto(styles.size) do |offset|
+          break if style = cl[styles[offset .. -1]]
+        end
+        # warn 'Style not found: %p' % [styles] if style.empty?
+        return style
+      end
+
+    private
+
+      CSS_CLASS_PATTERN = /
+        (                    # $1 = selectors
+          (?:
+            (?: \s* \. [-\w]+ )+
+            \s* ,?
+          )+
+        )
+        \s* \{ \s*
+        ( [^\}]+ )?          # $2 = style
+        \s* \} \s*
+      |
+        ( . )                # $3 = error
+      /mx
+      def parse stylesheet
+        stylesheet.scan CSS_CLASS_PATTERN do |selectors, style, error|
+          raise "CSS parse error: '#{error.inspect}' not recognized" if error
+          for selector in selectors.split(',')
+            classes = selector.scan(/[-\w]+/)
+            cl = classes.pop
+            @classes[cl] ||= Hash.new
+            @classes[cl][classes] = style.to_s.strip.delete(' ').chomp(';')
+          end
+        end
+      end
+
+    end
+  end
+
+end
+end
+
+if $0 == __FILE__
+  require 'pp'
+  pp CodeRay::Encoders::HTML::CSS.new
+end
diff --git a/vendor/gems/coderay-0.9.7/lib/coderay/encoders/html/numerization.rb b/vendor/gems/coderay-0.9.7/lib/coderay/encoders/html/numerization.rb
new file mode 100644
index 000000000..17e8ddb00
--- /dev/null
+++ b/vendor/gems/coderay-0.9.7/lib/coderay/encoders/html/numerization.rb
@@ -0,0 +1,133 @@
+module CodeRay
+module Encoders
+
+  class HTML
+
+    module Output
+
+      def numerize *args
+        clone.numerize!(*args)
+      end
+
+=begin      NUMERIZABLE_WRAPPINGS = {
+        :table => [:div, :page, nil],
+        :inline => :all,
+        :list => [:div, :page, nil]
+      }
+      NUMERIZABLE_WRAPPINGS.default = :all
+=end
+      def numerize! mode = :table, options = {}
+        return self unless mode
+
+        options = DEFAULT_OPTIONS.merge options
+
+        start = options[:line_number_start]
+        unless start.is_a? Integer
+          raise ArgumentError, "Invalid value %p for :line_number_start; Integer expected." % start
+        end
+
+        #allowed_wrappings = NUMERIZABLE_WRAPPINGS[mode]
+        #unless allowed_wrappings == :all or allowed_wrappings.include? options[:wrap]
+        #  raise ArgumentError, "Can't numerize, :wrap must be in %p, but is %p" % [NUMERIZABLE_WRAPPINGS, options[:wrap]]
+        #end
+
+        bold_every = options[:bold_every]
+        highlight_lines = options[:highlight_lines]
+        bolding =
+          if bold_every == false && highlight_lines == nil
+            proc { |line| line.to_s }
+          elsif highlight_lines.is_a? Enumerable
+            highlight_lines = highlight_lines.to_set
+            proc do |line|
+              if highlight_lines.include? line
+                "<strong class=\"highlighted\">#{line}</strong>"  # highlighted line numbers in bold
+              else
+                line.to_s
+              end
+            end
+          elsif bold_every.is_a? Integer
+            raise ArgumentError, ":bolding can't be 0." if bold_every == 0
+            proc do |line|
+              if line % bold_every == 0
+                "<strong>#{line}</strong>"  # every bold_every-th number in bold
+              else
+                line.to_s
+              end
+            end
+          else
+            raise ArgumentError, 'Invalid value %p for :bolding; false or Integer expected.' % bold_every
+          end
+
+        case mode
+        when :inline
+          max_width = (start + line_count).to_s.size
+          line_number = start
+          gsub!(/^/) do
+            line_number_text = bolding.call line_number
+            indent = ' ' * (max_width - line_number.to_s.size)  # TODO: Optimize (10^x)
+            res = "<span class=\"no\">#{indent}#{line_number_text}</span> "
+            line_number += 1
+            res
+          end
+
+        when :table
+          # This is really ugly.
+          # Because even monospace fonts seem to have different heights when bold,
+          # I make the newline bold, both in the code and the line numbers.
+          # FIXME Still not working perfect for Mr. Internet Exploder
+          line_numbers = (start ... start + line_count).to_a.map(&bolding).join("\n")
+          line_numbers << "\n"  # also for Mr. MS Internet Exploder :-/
+          line_numbers.gsub!(/\n/) { "<tt>\n</tt>" }
+
+          line_numbers_table_tpl = TABLE.apply('LINE_NUMBERS', line_numbers)
+          gsub!("</div>\n", '</div>')
+          gsub!("\n", "<tt>\n</tt>")
+          wrap_in! line_numbers_table_tpl
+          @wrapped_in = :div
+
+        when :list
+          opened_tags = []
+          gsub!(/^.*$\n?/) do |line|
+            line.chomp!
+
+            open = opened_tags.join
+            line.scan(%r!<(/)?span[^>]*>?!) do |close,|
+              if close
+                opened_tags.pop
+              else
+                opened_tags << $&
+              end
+            end
+            close = '</span>' * opened_tags.size
+
+            "<li>#{open}#{line}#{close}</li>\n"
+          end
+          chomp!("\n")
+          wrap_in! LIST
+          @wrapped_in = :div
+
+        else
+          raise ArgumentError, 'Unknown value %p for mode: expected one of %p' %
+            [mode, [:table, :list, :inline]]
+        end
+
+        self
+      end
+
+      def line_count
+        line_count = count("\n")
+        position_of_last_newline = rindex(?\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/]
+          line_count += 1 if not ends_with_newline
+        end
+        line_count
+      end
+
+    end
+
+  end
+
+end
+end
diff --git a/vendor/gems/coderay-0.9.7/lib/coderay/encoders/html/output.rb b/vendor/gems/coderay-0.9.7/lib/coderay/encoders/html/output.rb
new file mode 100644
index 000000000..28574a5de
--- /dev/null
+++ b/vendor/gems/coderay-0.9.7/lib/coderay/encoders/html/output.rb
@@ -0,0 +1,206 @@
+module CodeRay
+module Encoders
+
+  class HTML
+
+    # This module is included in the output String from thew HTML Encoder.
+    #
+    # It provides methods like wrap, div, page etc.
+    #
+    # Remember to use #clone instead of #dup to keep the modules the object was
+    # extended with.
+    #
+    # TODO: more doc.
+    module Output
+
+      require 'coderay/encoders/html/numerization.rb'
+
+      attr_accessor :css
+
+      class << self
+
+        # This makes Output look like a class.
+        #
+        # Example:
+        #
+        #  a = Output.new '<span class="co">Code</span>'
+        #  a.wrap! :page
+        def new string, css = CSS.new, element = nil
+          output = string.clone.extend self
+          output.wrapped_in = element
+          output.css = css
+          output
+        end
+
+        # Raises an exception if an object that doesn't respond to to_str is extended by Output,
+        # to prevent users from misuse. Use Module#remove_method to disable.
+        def extended o
+          warn "The Output module is intended to extend instances of String, not #{o.class}." unless o.respond_to? :to_str
+        end
+
+        def make_stylesheet css, in_tag = false
+          sheet = css.stylesheet
+          sheet = <<-CSS if in_tag
+<style type="text/css">
+#{sheet}
+</style>
+          CSS
+          sheet
+        end
+
+        def page_template_for_css css
+          sheet = make_stylesheet css
+          PAGE.apply 'CSS', sheet
+        end
+
+        # Define a new wrapper. This is meta programming.
+        def wrapper *wrappers
+          wrappers.each do |wrapper|
+            define_method wrapper do |*args|
+              wrap wrapper, *args
+            end
+            define_method "#{wrapper}!".to_sym do |*args|
+              wrap! wrapper, *args
+            end
+          end
+        end
+
+      end
+
+      wrapper :div, :span, :page
+
+      def wrapped_in? element
+        wrapped_in == element
+      end
+
+      def wrapped_in
+        @wrapped_in ||= nil
+      end
+      attr_writer :wrapped_in
+
+      def wrap_in template
+        clone.wrap_in! template
+      end
+
+      def wrap_in! template
+        Template.wrap! self, template, 'CONTENT'
+        self
+      end
+      
+      def apply_title! title
+        self.sub!(/(<title>)(<\/title>)/) { $1 + title + $2 }
+        self
+      end
+
+      def wrap! element, *args
+        return self if not element or element == wrapped_in
+        case element
+        when :div
+          raise "Can't wrap %p in %p" % [wrapped_in, element] unless wrapped_in? nil
+          wrap_in! DIV
+        when :span
+          raise "Can't wrap %p in %p" % [wrapped_in, element] unless wrapped_in? nil
+          wrap_in! SPAN
+        when :page
+          wrap! :div if wrapped_in? nil
+          raise "Can't wrap %p in %p" % [wrapped_in, element] unless wrapped_in? :div
+          wrap_in! Output.page_template_for_css(@css)
+          if args.first.is_a?(Hash) && title = args.first[:title]
+            apply_title! title
+          end
+          self
+        when nil
+          return self
+        else
+          raise "Unknown value %p for :wrap" % element
+        end
+        @wrapped_in = element
+        self
+      end
+
+      def wrap *args
+        clone.wrap!(*args)
+      end
+
+      def stylesheet in_tag = false
+        Output.make_stylesheet @css, in_tag
+      end
+
+      class Template < String
+
+        def self.wrap! str, template, target
+          target = Regexp.new(Regexp.escape("<%#{target}%>"))
+          if template =~ target
+            str[0,0] = $`
+            str << $'
+          else
+            raise "Template target <%%%p%%> not found" % target
+          end
+        end
+
+        def apply target, replacement
+          target = Regexp.new(Regexp.escape("<%#{target}%>"))
+          if self =~ target
+            Template.new($` + replacement + $')
+          else
+            raise "Template target <%%%p%%> not found" % target
+          end
+        end
+
+        module Simple
+          def ` str  #` <-- for stupid editors
+            Template.new str
+          end
+        end
+      end
+
+      extend Template::Simple
+
+#-- don't include the templates in docu
+
+      SPAN = `<span class="CodeRay"><%CONTENT%></span>`
+
+      DIV = <<-`DIV`
+<div class="CodeRay">
+  <div class="code"><pre><%CONTENT%></pre></div>
+</div>
+      DIV
+
+      TABLE = <<-`TABLE`
+<table class="CodeRay"><tr>
+  <td class="line_numbers" title="click to toggle" onclick="with (this.firstChild.style) { display = (display == '') ? 'none' : '' }"><pre><%LINE_NUMBERS%></pre></td>
+  <td class="code"><pre ondblclick="with (this.style) { overflow = (overflow == 'auto' || overflow == '') ? 'visible' : 'auto' }"><%CONTENT%></pre></td>
+</tr></table>
+      TABLE
+      # title="double click to expand"
+
+      LIST = <<-`LIST`
+<ol class="CodeRay">
+<%CONTENT%>
+</ol>
+      LIST
+
+      PAGE = <<-`PAGE`
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
+  "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="de">
+<head>
+  <meta http-equiv="content-type" content="text/html; charset=utf-8" />
+  <title></title>
+  <style type="text/css">
+<%CSS%>
+  </style>
+</head>
+<body style="background-color: white;">
+
+<%CONTENT%>
+</body>
+</html>
+      PAGE
+
+    end
+
+  end
+
+end
+end