diff options
author | (no author) <(no author)@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2004-02-17 14:51:40 +0000 |
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committer | (no author) <(no author)@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2004-02-17 14:51:40 +0000 |
commit | 3e88efe3df5daf41ed98b4630ece94be009e54ec (patch) | |
tree | 4a8e0f79308a5aef70e0422eb5593970f46e6b34 /lib/rss | |
parent | 3b72c2d8d918cb2f83aae29667587f9b16719164 (diff) |
This commit was manufactured by cvs2svn to create branch 'ruby_1_8'.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8@5754 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'lib/rss')
-rw-r--r-- | lib/rss/content.rb | 50 | ||||
-rw-r--r-- | lib/rss/rexmlparser.rb | 47 | ||||
-rw-r--r-- | lib/rss/trackback.rb | 301 |
3 files changed, 398 insertions, 0 deletions
diff --git a/lib/rss/content.rb b/lib/rss/content.rb new file mode 100644 index 0000000000..fae0b687be --- /dev/null +++ b/lib/rss/content.rb @@ -0,0 +1,50 @@ +require "rss/1.0" + +module RSS + + CONTENT_PREFIX = 'content' + CONTENT_URI = "http://purl.org/rss/1.0/modules/content/" + + RDF.install_ns(CONTENT_PREFIX, CONTENT_URI) + + module ContentModel + + extend BaseModel + + ELEMENTS = [] + + def self.included(mod) + mod.module_eval(<<-EOC) + %w(encoded).each do |x| + install_text_element("\#{CONTENT_PREFIX}_\#{x}") + end + EOC + end + + def content_validate(tags) + counter = {} + ELEMENTS.each do |x| + counter[x] = 0 + end + + tags.each do |tag| + key = "#{CONTENT_PREFIX}_#{tag}" + raise UnknownTagError.new(tag, CONTENT_URI) unless counter.has_key?(key) + counter[key] += 1 + raise TooMuchTagError.new(tag, tag_name) if counter[key] > 1 + end + end + + end + + class RDF + class Item; include ContentModel; end + end + + prefix_size = CONTENT_PREFIX.size + 1 + ContentModel::ELEMENTS.uniq! + ContentModel::ELEMENTS.each do |x| + BaseListener.install_get_text_element(x[prefix_size..-1], CONTENT_URI, "#{x}=") + end + +end diff --git a/lib/rss/rexmlparser.rb b/lib/rss/rexmlparser.rb new file mode 100644 index 0000000000..13ab0e277b --- /dev/null +++ b/lib/rss/rexmlparser.rb @@ -0,0 +1,47 @@ +require "rexml/document" +require "rexml/streamlistener" + +/\A(\d+)\.(\d+)(?:\.\d+)+\z/ =~ REXML::Version +if ([$1.to_i, $2.to_i] <=> [2, 5]) < 0 + raise LoadError, "needs REXML 2.5 or later (#{REXML::Version})" +end + +module RSS + + class REXMLParser < BaseParser + + private + + def listener + REXMLListener + end + + def _parse + begin + REXML::Document.parse_stream(@rss, @listener) + rescue RuntimeError => e + raise NotWellFormedError.new{e.message} + rescue REXML::ParseException => e + context = e.context + line = context[0] if context + raise NotWellFormedError.new(line){e.message} + end + end + + end + + class REXMLListener < BaseListener + + include REXML::StreamListener + include ListenerMixin + + def xmldecl(version, encoding, standalone) + super + # Encoding is converted to UTF-8 when REXML parse XML. + @encoding = 'UTF-8' + end + + alias_method(:cdata, :text) + end + +end diff --git a/lib/rss/trackback.rb b/lib/rss/trackback.rb new file mode 100644 index 0000000000..493e742453 --- /dev/null +++ b/lib/rss/trackback.rb @@ -0,0 +1,301 @@ +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| + var_name = "#{TRACKBACK_PREFIX}_#{x}" + klass.install_have_child_element(var_name) + klass.module_eval(<<-EOC) + alias _#{var_name} #{var_name} + def #{var_name} + @#{var_name} and @#{var_name}.content + end + + alias _#{var_name}= #{var_name}= + def #{var_name}=(content) + @#{var_name} = new_with_content_if_need(#{x.capitalize}, content) + end + EOC + end + + [%w(about s)].each do |x, postfix| + var_name = "#{TRACKBACK_PREFIX}_#{x}" + klass.install_have_children_element(var_name) + klass.module_eval(<<-EOC) + alias _#{var_name}#{postfix} #{var_name}#{postfix} + def #{var_name}#{postfix} + @#{var_name}.collect {|x| x.content} + end + + alias _#{var_name} #{var_name} + def #{var_name}(*args) + if args.empty? + @#{var_name}.first and @#{var_name}.first.content + else + ret = @#{var_name}.send("[]", *args) + if ret.is_a?(Array) + ret.collect {|x| x.content} + else + ret.content + end + end + end + + alias _#{var_name}= #{var_name}= + alias _set_#{var_name} set_#{var_name} + def #{var_name}=(*args) + if args.size == 1 + item = new_with_content_if_need(#{x.capitalize}, args[0]) + @#{var_name}.push(item) + else + new_val = args.last + if new_val.is_a?(Array) + new_val = new_value.collect do |val| + new_with_content_if_need(#{x.capitalize}, val) + end + else + new_val = new_with_content_if_need(#{x.capitalize}, new_val) + end + @#{var_name}.send("[]=", *(args[0..-2] + [new_val])) + end + end + alias set_#{var_name} #{var_name}= + EOC + end + end + + private + def new_with_content(klass, content) + obj = klass.new + obj.content = content + obj + end + + def new_with_content_if_need(klass, content) + if content.is_a?(klass) + content + else + new_with_content(klass, content) + 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 |