mirror of
https://github.com/ruby/ruby.git
synced 2022-11-09 12:17:21 -05:00
8640f16308
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@5566 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
438 lines
8 KiB
Ruby
438 lines
8 KiB
Ruby
require "rss/rss"
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module RSS
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module RSS09
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NSPOOL = {}
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ELEMENTS = []
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end
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class Rss < Element
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include RSS09
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[
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["channel", nil],
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].each do |tag, occurs|
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install_model(tag, occurs)
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end
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%w(channel).each do |x|
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install_have_child_element(x)
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end
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attr_accessor :rss_version, :version, :encoding, :standalone
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def initialize(rss_version, version=nil, encoding=nil, standalone=nil)
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super()
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@rss_version = rss_version
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@version = version || '1.0'
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@encoding = encoding
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@standalone = standalone
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end
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def output_encoding=(enc)
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@output_encoding = enc
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self.converter = Converter.new(@output_encoding, @encoding)
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end
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def items
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if @channel
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@channel.items
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else
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[]
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end
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end
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def image
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if @channel
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@channel.image
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else
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nil
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end
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end
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def to_s(convert=true)
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rv = <<-EOR
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#{xmldecl}
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<rss version="#{@rss_version}"#{ns_declaration}>
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#{channel_element(false)}
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#{other_element(false, "\t")}
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</rss>
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EOR
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rv = @converter.convert(rv) if convert and @converter
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rv
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end
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private
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def xmldecl
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rv = "<?xml version='#{@version}'"
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if @output_encoding or @encoding
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rv << " encoding='#{@output_encoding or @encoding}'"
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end
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rv << " standalone='#{@standalone}'" if @standalone
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rv << '?>'
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rv
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end
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def ns_declaration
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rv = ''
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NSPOOL.each do |prefix, uri|
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prefix = ":#{prefix}" unless prefix.empty?
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rv << %Q|\n\txmlns#{prefix}="#{uri}"|
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end
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rv
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end
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def children
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[@channel]
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end
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class Channel < Element
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include RSS09
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[
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["title", nil],
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["link", nil],
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["description", nil],
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["language", nil],
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["copyright", "?"],
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["managingEditor", "?"],
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["webMaster", "?"],
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["rating", "?"],
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["docs", "?"],
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["skipDays", "?"],
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["skipHours", "?"],
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].each do |x, occurs|
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install_text_element(x)
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install_model(x, occurs)
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end
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[
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["pubDate", "?"],
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["lastBuildDate", "?"],
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].each do |x, occurs|
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install_date_element(x, 'rfc822')
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install_model(x, occurs)
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end
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[
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["image", nil],
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["textInput", "?"],
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["cloud", "?"]
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].each do |x, occurs|
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install_have_child_element(x)
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install_model(x, occurs)
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end
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[
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["item", "*"]
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].each do |x, occurs|
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install_have_children_element(x)
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install_model(x, occurs)
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end
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def initialize()
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super()
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end
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def to_s(convert=true)
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rv = <<-EOT
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<channel>
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#{title_element(false)}
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#{link_element(false)}
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#{description_element(false)}
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#{language_element(false)}
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#{copyright_element(false)}
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#{managingEditor_element(false)}
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#{webMaster_element(false)}
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#{rating_element(false)}
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#{pubDate_element(false)}
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#{lastBuildDate_element(false)}
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#{docs_element(false)}
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#{skipDays_element(false)}
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#{skipHours_element(false)}
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#{image_element(false)}
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#{item_elements(false)}
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#{textInput_element(false)}
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#{other_element(false, "\t\t")}
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</channel>
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EOT
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rv = @converter.convert(rv) if convert and @converter
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rv
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end
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private
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def children
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[@image, @textInput, @cloud, *@item]
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end
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class Image < Element
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include RSS09
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%w(url title link width height description).each do |x|
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install_text_element(x)
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end
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def to_s(convert=true)
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rv = <<-EOT
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<image>
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#{url_element(false)}
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#{title_element(false)}
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#{link_element(false)}
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#{width_element(false)}
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#{height_element(false)}
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#{description_element(false)}
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#{other_element(false, "\t\t\t\t")}
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</image>
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EOT
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rv = @converter.convert(rv) if convert and @converter
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rv
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end
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end
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class Cloud < Element
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include RSS09
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[
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["domain", nil, false],
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["port", nil, false],
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["path", nil, false],
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["registerProcedure", nil, false],
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["protocol", nil ,false],
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].each do |name, uri, required|
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install_get_attribute(name, uri, required)
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end
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def to_s(convert=true)
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rv = <<-EOT
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<cloud
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domain="#{h @domain}"
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port="#{h @port}"
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path="#{h @path}"
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registerProcedure="#{h @registerProcedure}"
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protocol="#{h @protocol}"/>
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EOT
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rv = @converter.convert(rv) if convert and @converter
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rv
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end
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end
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class Item < Element
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include RSS09
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%w(title link description author comments).each do |x|
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install_text_element(x)
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end
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%w(category source enclosure).each do |x|
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install_have_child_element(x)
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end
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[
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["title", '?'],
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["link", '?'],
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["description", '?'],
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["author", '?'],
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["comments", '?'],
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["category", '?'],
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["source", '?'],
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["enclosure", '?'],
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].each do |tag, occurs|
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install_model(tag, occurs)
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end
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def to_s(convert=true)
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rv = <<-EOT
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<item>
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#{title_element(false)}
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#{link_element(false)}
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#{description_element(false)}
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#{author_element(false)}
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#{category_element(false)}
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#{comments_element(false)}
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#{enclosure_element(false)}
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#{source_element(false)}
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#{other_element(false, "\t\t\t\t")}
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</item>
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EOT
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rv = @converter.convert(rv) if convert and @converter
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rv
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end
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class Source < Element
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include RSS09
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[
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["url", nil, true]
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].each do |name, uri, required|
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install_get_attribute(name, uri, required)
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end
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content_setup
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def initialize(url=nil, content=nil)
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super()
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@url = url
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@content = content
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end
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def to_s(convert=true)
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if @url
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rv = %Q! <source url="#{@url}">!
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rv << %Q!#{@content}</source>!
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rv = @converter.convert(rv) if convert and @converter
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rv
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else
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''
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end
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end
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private
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def _attrs
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[
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["url", true]
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]
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end
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end
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class Enclosure < Element
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include RSS09
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[
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["url", nil, true],
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["length", nil, true],
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["type", nil, true],
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].each do |name, uri, required|
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install_get_attribute(name, uri, required)
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end
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def initialize(url=nil, length=nil, type=nil)
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super()
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@url = url
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@length = length
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@type = type
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end
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def to_s(convert=true)
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if @url and @length and @type
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rv = %Q!<enclosure url="#{h @url}" !
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rv << %Q!length="#{h @length}" type="#{h @type}"/>!
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rv = @converter.convert(rv) if convert and @converter
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rv
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else
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''
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end
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end
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private
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def _attrs
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[
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["url", true],
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["length", true],
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["type", true],
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]
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end
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end
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class Category < Element
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include RSS09
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[
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["domain", nil, true]
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].each do |name, uri, required|
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install_get_attribute(name, uri, required)
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end
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content_setup
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def initialize(domain=nil, content=nil)
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super()
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@domain = domain
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@content = content
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end
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def to_s(convert=true)
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if @domain
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rv = %Q!<category domain="#{h @domain}">!
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rv << %Q!#{h @content}</category>!
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rv = @converter.convert(rv) if convert and @converter
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rv
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else
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''
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end
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end
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private
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def _attrs
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[
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["domain", true]
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]
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end
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end
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end
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class TextInput < Element
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include RSS09
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%w(title description name link).each do |x|
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install_text_element(x)
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end
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def to_s(convert=true)
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rv = <<-EOT
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<textInput>
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#{title_element(false)}
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#{description_element(false)}
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#{name_element(false)}
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#{link_element(false)}
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#{other_element(false, "\t\t\t\t")}
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</textInput>
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EOT
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rv = @converter.convert(rv) if convert and @converter
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rv
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end
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end
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end
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end
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if const_defined?(:BaseListener)
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RSS09::ELEMENTS.each do |x|
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BaseListener.install_get_text_element(x, nil, "#{x}=")
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end
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end
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if const_defined?(:ListenerMixin)
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module ListenerMixin
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private
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def start_rss(tag_name, prefix, attrs, ns)
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check_ns(tag_name, prefix, ns, nil)
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@rss = Rss.new(attrs['version'], @version, @encoding, @standalone)
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@last_element = @rss
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@proc_stack.push Proc.new { |text, tags|
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@rss.validate_for_stream(tags) if @do_validate
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}
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end
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end
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end
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end
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