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* lib/rss, test/rss: backported from trunk. (2005-11-16 - now)

* lib/rss/taxonomy.rb: implemented taxonomy module.
* test/rss/test_taxonomy.rb: added tests for taxonomy support.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8@10288 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
kou 2006-06-17 00:15:36 +00:00
parent 5a6f02677b
commit 201028438d
3 changed files with 196 additions and 39 deletions

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@ -13,6 +13,9 @@ Sat Jun 17 09:03:47 2006 Kouhei Sutou <kou@cozmixng.org>
* lib/rss/1.0.rb: added rdf:Bag.
* lib/rss/taxonomy.rb: implemented taxonomy module.
* test/rss/test_taxonomy.rb: added tests for taxonomy support.
Sat Jun 17 02:01:00 2006 Tanaka Akira <akr@m17n.org>
* lib/pp.rb (Kernel#pretty_inspect): defined for pretty printed

View file

@ -1,32 +1,198 @@
# Experimental
require "rss/1.0"
require "rss/dublincore"
module RSS
TAXO_PREFIX = "taxo"
TAXO_NS = "http://purl.org/rss/1.0/modules/taxonomy/"
TAXO_URI = "http://purl.org/rss/1.0/modules/taxonomy/"
Element.install_ns(TAXO_PREFIX, TAXO_NS)
RDF.install_ns(TAXO_PREFIX, TAXO_URI)
TAXO_ELEMENTS = []
%w(link).each do |name|
full_name = "#{TAXO_PREFIX}_#{name}"
BaseListener.install_get_text_element(TAXO_NS, name, "#{full_name}=")
BaseListener.install_get_text_element(TAXO_URI, name, "#{full_name}=")
TAXO_ELEMENTS << "#{TAXO_PREFIX}_#{name}"
end
%w(topic topics).each do |name|
class_name = Utils.to_class_name(name)
BaseListener.install_class_name(TAXO_URI, name, "Taxo#{class_name}")
TAXO_ELEMENTS << "#{TAXO_PREFIX}_#{name}"
end
module TaxoTopicsModel
extend BaseModel
module TaxonomyModel
attr_writer(*%w(title description creator subject publisher
contributor date format identifier source
language relation coverage rights
).collect{|name| "#{TAXO_PREFIX}_#{name}"})
def self.append_features(klass)
super
var_name = "#{TAXO_PREFIX}_topics"
klass.install_have_child_element(var_name)
end
def taxo_validate(tags)
found_topics = false
tags.each do |tag|
if tag == "topics"
if found_topics
raise TooMuchTagError.new(tag, tag_name)
else
found_topics = true
end
else
raise UnknownTagError.new(tag, TAXO_URI)
end
end
end
class TaxoTopics < Element
include RSS10
Bag = ::RSS::RDF::Bag
class << self
def required_prefix
TAXO_PREFIX
end
def required_uri
TAXO_URI
end
end
@tag_name = "topics"
install_have_child_element("Bag")
install_must_call_validator('rdf', ::RSS::RDF::URI)
def initialize(bag=Bag.new)
super()
@Bag = bag
end
def full_name
tag_name_with_prefix(TAXO_PREFIX)
end
def to_s(need_convert=true, indent=calc_indent)
rv = tag(indent) do |next_indent|
[
Bag_element(need_convert, next_indent),
other_element(need_convert, next_indent),
]
end
end
private
def children
[@Bag]
end
def _tags
rv = []
rv << [::RSS::RDF::URI, 'Bag'] unless @Bag.nil?
rv
end
def rdf_validate(tags)
_validate(tags, [["Bag", nil]])
end
end
end
class Channel; extend TaxonomyModel; end
class Item; extend TaxonomyModel; end
class Image; extend TaxonomyModel; end
class TextInput; extend TaxonomyModel; end
module TaxoTopicModel
extend BaseModel
def self.append_features(klass)
super
var_name = "#{TAXO_PREFIX}_topic"
klass.install_have_children_element(var_name)
end
def taxo_validate(tags)
tags.each do |tag|
if tag != "topic"
raise UnknownTagError.new(tag, TAXO_URI)
end
end
end
class TaxoTopic < Element
include RSS10
include DublinCoreModel
include TaxoTopicsModel
class << self
def required_prefix
TAXO_PREFIX
end
def required_uri
TAXO_URI
end
end
@tag_name = "topic"
install_get_attribute("about", ::RSS::RDF::URI, true)
install_text_element("#{TAXO_PREFIX}_link")
def initialize(about=nil)
super()
@about = about
end
def full_name
tag_name_with_prefix(TAXO_PREFIX)
end
def to_s(need_convert=true, indent=calc_indent)
rv = tag(indent) do |next_indent|
[
link_element(need_convert, next_indent),
other_element(need_convert, next_indent),
]
end
end
def taxo_validate(tags)
elements = %w(link topics)
counter = {}
tags.each do |tag|
if elements.include?(tag)
counter[tag] ||= 0
counter[tag] += 1
raise TooMuchTagError.new(tag, tag_name) if counter[tag] > 1
else
raise UnknownTagError.new(tag, TAXO_URI)
end
end
end
private
def children
[@taxo_link, @taxo_topics]
end
def _tags
rv = []
rv << [TAXO_URI, "link"] unless @taxo_link.nil?
rv << [TAXO_URI, "topics"] unless @taxo_topics.nil?
rv
end
end
end
class RDF
include TaxoTopicModel
class Channel
include TaxoTopicsModel
end
class Item; include TaxoTopicsModel; end
end
end

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@ -20,7 +20,7 @@ module RSS
@dc_prefix => @dc_uri,
}
@topics_parents = %w(channel item)
@parents = %w(channel item)
@topics_lis = [
"http://meerkat.oreillynet.com/?c=cat23",
@ -66,28 +66,28 @@ module RSS
info.each do |name, value|
case name
when :topics
rv << " <#{@prefix}:topics>\n"
rv << " <rdf:Bag>\n"
rv << "<#{@prefix}:topics>\n"
rv << " <rdf:Bag>\n"
value.each do |li|
resource = CGI.escapeHTML(li)
rv << " <rdf:li resource=\"#{resource}\"/>\n"
rv << " <rdf:li resource=\"#{resource}\"/>\n"
end
rv << " </rdf:Bag>\n"
rv << " </#{@prefix}:topics>\n"
rv << " </rdf:Bag>\n"
rv << "</#{@prefix}:topics>"
else
prefix = (name == :link ? @prefix : @dc_prefix)
rv << " <#{prefix}:#{name}>#{value}</#{prefix}:#{name}>\n"
end
end
rv << "</#{@prefix}:topic>"
end
end.join("\n")
@rss_source = make_RDF(<<-EOR, @ns)
#{make_channel(@topics_node)}
#{make_image()}
#{make_item(@topics_node)}
#{make_textinput()}
#{@topic_nodes.join("\n")}
#{@topic_nodes}
EOR
@rss = Parser.parse(@rss_source)
@ -117,7 +117,6 @@ EOR
topics = @rss.channel.taxo_topics
assert_equal(@topics_lis.sort,
topics.Bag.lis.collect {|li| li.resource}.sort)
assert_equal(@topics_lis.sort, topics.resources.sort)
assert_equal(@rss.taxo_topics.first, @rss.taxo_topic)
@ -129,7 +128,8 @@ EOR
assert_equal(value, topic.about)
assert_equal(value, topic.taxo_link)
when :topics
assert_equal(value.sort, topic.taxo_topics.resources.sort)
assert_equal(value.sort,
topic.taxo_topics.Bag.lis.collect {|li| li.resource}.sort)
else
assert_equal(value, topic.__send__("dc_#{name}"))
end
@ -138,21 +138,9 @@ EOR
end
def test_to_s
@topics_parents.each do |parent|
@parents.each do |parent|
meth = "taxo_topics_element"
assert_equal(@topics_node, @rss.__send__(parent).funcall(meth))
end
@topic_nodes.each_with_index do |node, i|
expected = REXML::Document.new(node).root
actual = REXML::Document.new(@rss.taxo_topics[i].to_s(true, "")).root
expected_elems = expected.reject {|x| x.is_a?(REXML::Text)}
actual_elems = actual.reject {|x| x.is_a?(REXML::Text)}
expected_elems.sort! {|x, y| x.name <=> y.name}
actual_elems.sort! {|x, y| x.name <=> y.name}
assert_equal(expected_elems.collect {|x| x.to_s},
actual_elems.collect {|x| x.to_s})
assert_equal(expected.attributes.sort, actual.attributes.sort)
assert_equal(@topics_node, @rss.__send__(parent).__send__(meth))
end
end
end