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|
# ATTENSION:
# TrackBack handling API MUST be CHANGED!!!!
require 'rss/1.0'
require 'rss/2.0'
module RSS
TRACKBACK_PREFIX = 'trackback'
TRACKBACK_URI = 'http://madskills.com/public/xml/rss/module/trackback/'
RDF.install_ns(TRACKBACK_PREFIX, TRACKBACK_URI)
Rss.install_ns(TRACKBACK_PREFIX, TRACKBACK_URI)
module BaseTrackBackModel
def trackback_validate(tags)
raise unless @do_validate
counter = {}
%w(ping about).each do |x|
counter["#{TRACKBACK_PREFIX}_#{x}"] = 0
end
tags.each do |tag|
key = "#{TRACKBACK_PREFIX}_#{tag}"
raise UnknownTagError.new(tag, TRACKBACK_URI) unless counter.has_key?(key)
counter[key] += 1
if tag != "about" and counter[key] > 1
raise TooMuchTagError.new(tag, tag_name)
end
end
if counter["#{TRACKBACK_PREFIX}_ping"].zero? and
counter["#{TRACKBACK_PREFIX}_about"].nonzero?
raise MissingTagError.new("#{TRACKBACK_PREFIX}:ping", tag_name)
end
end
end
module TrackBackModel10
extend BaseModel
include BaseTrackBackModel
def self.append_features(klass)
super
unless klass.class == Module
%w(ping).each do |x|
klass.install_have_child_element("#{TRACKBACK_PREFIX}_#{x}")
end
%w(about).each do |x|
klass.install_have_children_element("#{TRACKBACK_PREFIX}_#{x}")
end
end
end
class Ping < Element
include RSS10
class << self
def required_prefix
TRACKBACK_PREFIX
end
def required_uri
TRACKBACK_URI
end
end
[
["resource", ::RSS::RDF::URI, true]
].each do |name, uri, required|
install_get_attribute(name, uri, required)
end
def initialize(resource=nil)
super()
@resource = resource
end
def to_s(convert=true)
if @resource
rv = %Q!<#{TRACKBACK_PREFIX}:ping #{::RSS::RDF::PREFIX}:resource="#{h @resource}"/>!
rv = @converter.convert(rv) if convert and @converter
rv
else
''
end
end
private
def _attrs
[
["resource", true],
]
end
end
class About < Element
include RSS10
class << self
def required_prefix
TRACKBACK_PREFIX
end
def required_uri
TRACKBACK_URI
end
end
[
["resource", ::RSS::RDF::URI, true]
].each do |name, uri, required|
install_get_attribute(name, uri, required)
end
def initialize(resource=nil)
super()
@resource = resource
end
def to_s(convert=true)
if @resource
rv = %Q!<#{TRACKBACK_PREFIX}:about #{::RSS::RDF::PREFIX}:resource="#{h @resource}"/>!
rv = @converter.convert(rv) if convert and @converter
rv
else
''
end
end
private
def _attrs
[
["resource", true],
]
end
end
end
module TrackBackModel20
include BaseTrackBackModel
extend BaseModel
def self.append_features(klass)
super
unless klass.class == Module
%w(ping).each do |x|
klass.install_have_child_element("#{TRACKBACK_PREFIX}_#{x}")
end
%w(about).each do |x|
klass.install_have_children_element("#{TRACKBACK_PREFIX}_#{x}")
end
end
end
class Ping < Element
include RSS09
content_setup
class << self
def required_prefix
TRACKBACK_PREFIX
end
def required_uri
TRACKBACK_URI
end
end
def to_s(convert=true)
if @content
rv = %Q!<#{TRACKBACK_PREFIX}:ping>#{h @content}</#{TRACKBACK_PREFIX}:ping>!
rv = @converter.convert(rv) if convert and @converter
rv
else
''
end
end
end
class About < Element
include RSS09
content_setup
class << self
def required_prefix
TRACKBACK_PREFIX
end
def required_uri
TRACKBACK_URI
end
end
def to_s(convert=true)
if @content
rv = %Q!<#{TRACKBACK_PREFIX}:about>#{h @content}</#{TRACKBACK_PREFIX}:about>!
rv = @converter.convert(rv) if convert and @converter
rv
else
''
end
end
end
end
class RDF
class Item; include TrackBackModel10; end
end
class Rss
class Channel
class Item; include TrackBackModel20; end
end
end
end
|
