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require "rss/utils"

module RSS

  module XMLStyleSheetMixin
    attr_accessor :xml_stylesheets
    def initialize(*args)
      super
      @xml_stylesheets = []
    end

    private
    def xml_stylesheet_pi
      xsss = @xml_stylesheets.collect do |xss|
        pi = xss.to_s
        pi = nil if /\A\s*\z/ =~ pi
        pi
      end.compact
      xsss.push("") unless xsss.empty?
      xsss.join("\n")
    end
  end

  class XMLStyleSheet

    include Utils

    ATTRIBUTES = %w(href type title media charset alternate)

    GUESS_TABLE = {
      "xsl" => "text/xsl",
      "css" => "text/css",
    }

    attr_accessor(*ATTRIBUTES)
    attr_accessor(:do_validate)
    def initialize(*attrs)
      if attrs.size == 1 and
          (attrs.first.is_a?(Hash) or attrs.first.is_a?(Array))
        attrs = attrs.first
      end
      @do_validate = true
      ATTRIBUTES.each do |attr|
        __send__("#{attr}=", nil)
      end
      vars = ATTRIBUTES.dup
      vars.unshift(:do_validate)
      attrs.each do |name, value|
        if vars.include?(name.to_s)
          __send__("#{name}=", value)
        end
      end
    end

    def to_s
      rv = ""
      if @href
        rv << %Q[<?xml-stylesheet]
        ATTRIBUTES.each do |name|
          if __send__(name)
            rv << %Q[ #{name}="#{h __send__(name)}"]
          end
        end
        rv << %Q[?>]
      end
      rv
    end

    remove_method(:href=)
    def href=(value)
      @href = value
      if @href and @type.nil?
        @type = guess_type(@href)
      end
      @href
    end

    remove_method(:alternate=)
    def alternate=(value)
      if value.nil? or /\A(?:yes|no)\z/ =~ value
        @alternate = value
      else
        if @do_validate
          args = ["?xml-stylesheet?", %Q[alternate="#{value}"]]
          raise NotAvailableValueError.new(*args)
        end
      end
      @alternate
    end

    def setup_maker(maker)
      xss = maker.xml_stylesheets.new_xml_stylesheet
      ATTRIBUTES.each do |attr|
        xss.__send__("#{attr}=", __send__(attr))
      end
    end

    private
    def guess_type(filename)
      /\.([^.]+)$/ =~ filename
      GUESS_TABLE[$1]
    end

  end
end

Filemanager

Name Type Size Permission Actions
content Folder 0755
dublincore Folder 0755
maker Folder 0755
0.9.rb File 9.36 KB 0644
1.0.rb File 8.46 KB 0644
2.0.rb File 2.29 KB 0644
atom.rb File 22.41 KB 0644
content.rb File 771 B 0644
converter.rb File 3.87 KB 0644
dublincore.rb File 4.18 KB 0644
image.rb File 4.57 KB 0644
itunes.rb File 9.96 KB 0644
maker.rb File 1.75 KB 0644
parser.rb File 15.47 KB 0644
rexmlparser.rb File 1.09 KB 0644
rss.rb File 33.53 KB 0644
slash.rb File 1.22 KB 0644
syndication.rb File 1.75 KB 0644
taxonomy.rb File 2.98 KB 0644
trackback.rb File 6.56 KB 0644
utils.rb File 2.61 KB 0644
xml-stylesheet.rb File 2.13 KB 0644
xml.rb File 1.47 KB 0644
xmlparser.rb File 1.55 KB 0644
xmlscanner.rb File 2.1 KB 0644