Class: FeedYamlizer::FeedListener
- Inherits:
-
Object
- Object
- FeedYamlizer::FeedListener
- Includes:
- REXML::StreamListener
- Defined in:
- lib/feed_yamlizer/feed_listener.rb
Constant Summary collapse
- FEED_TITLE_TAGS =
%w[ feed/title rss/channel/title rdf:RDF/channel/title ]
- FEED_LINK_TAGS =
not really necessary
%w[ rss/channel/link rdf:RDF/channel/link ]
- ITEM_START_TAGS =
%w[ feed/entry rss/channel/item rdf:RDF/item ]
- ITEM_TITLE_TAGS =
%w[ feed/entry/title rss/channel/item/title rdf:RDF/item/title ]
- ITEM_AUTHOR_TAGS =
%w[ feed/entry/author/name rss/channel/item/author rdf:RDF/item/dc:creator ]
- ITEM_GUID_TAGS =
%w[ feed/entry/id rss/channel/item/guid rdf:RDF/item/guid ]
- ITEM_PUB_DATE_TAGS =
%w[ feed/entry/published feed/entry/created feed/entry/modified feed/entry/updated rss/channel/item/pubDate rdf:RDF/item/dc:date ]
- ITEM_LINK_TAGS =
%w[ feed/entry/feedburner:origLink rss/channel/item/link rdf:RDF/item/link ]
- ITEM_SUMMARY_TAGS =
%w[ feed/entry/summary rss/channel/item/description rdf:RDF/item/description ]
- ITEM_CONTENT_TAGS =
[ %r{feed/entry/content}, %r{rss/channel/item/content}, %r{rss/channel/item/content:encoded}, %r{rss/item/content}, %r{rdf:RDF/item/content} ]
Instance Method Summary collapse
-
#encode(string) ⇒ Object
encoding method TODO.
-
#initialize ⇒ FeedListener
constructor
A new instance of FeedListener.
- #path ⇒ Object
- #result ⇒ Object
- #tag_end(name) ⇒ Object
- #tag_start(name, attrs) ⇒ Object
- #text(text) ⇒ Object (also: #cdata)
- #xmldecl(decl, encoding, extra) ⇒ Object
Constructor Details
#initialize ⇒ FeedListener
Returns a new instance of FeedListener.
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# File 'lib/feed_yamlizer/feed_listener.rb', line 26 def initialize @nested_tags = [] @x = {:items => []} end |
Instance Method Details
#encode(string) ⇒ Object
encoding method TODO
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# File 'lib/feed_yamlizer/feed_listener.rb', line 112 def encode(string) string end |
#path ⇒ Object
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# File 'lib/feed_yamlizer/feed_listener.rb', line 106 def path @nested_tags.join('/') end |
#result ⇒ Object
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# File 'lib/feed_yamlizer/feed_listener.rb', line 31 def result @x end |
#tag_end(name) ⇒ Object
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# File 'lib/feed_yamlizer/feed_listener.rb', line 55 def tag_end(name) case path when *ITEM_START_TAGS @current_item[:link] ||= (@current_item[:links] || []).detect {|x| x !~ /\.(jpg|png|gif)$/} @x[:items] << @current_item @current_item = nil end @nested_tags.pop end |
#tag_start(name, attrs) ⇒ Object
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# File 'lib/feed_yamlizer/feed_listener.rb', line 35 def tag_start(name, attrs) @nested_tags.push name case path when 'feed/link' @x[:link] ||= encode attrs['href'] when *ITEM_START_TAGS @current_item = {} when 'feed/entry/link' if (attrs['rel'] != 'replies') && (attrs['rel'] == 'alternate' || attrs['type'] == 'text/html') (@current_item[:links] ||= []) << encode(attrs['href']) end when /enclosure$/ @current_item[:enclosure] ||= encode(attrs['url']) when /itunes:image$/ if @current_item @current_item[:podcast_image] ||= encode(attrs['href']) end end end |
#text(text) ⇒ Object Also known as: cdata
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# File 'lib/feed_yamlizer/feed_listener.rb', line 65 def text(text) case path when *FEED_TITLE_TAGS @x[:title] = encode text.strip when *FEED_LINK_TAGS @x[:link] ||= encode text.strip when *ITEM_TITLE_TAGS @current_item[:title] = encode(text.strip) when *ITEM_AUTHOR_TAGS @current_item[:author] = encode(text.strip) when *ITEM_GUID_TAGS @current_item[:guid] = encode(text) when *ITEM_PUB_DATE_TAGS @current_item[:pub_date] = DateTime.parse(encode(text)) when *ITEM_LINK_TAGS @current_item[:link] ||= encode(text) (@current_item[:links] ||= []) << encode(text) when *ITEM_SUMMARY_TAGS if @current_item[:summary] @current_item[:summary] << encode(text) else @current_item[:summary] = encode(text) end when *ITEM_CONTENT_TAGS if @current_item[:content] @current_item[:content] << encode(text) else @current_item[:content] = encode(text) end end end |
#xmldecl(decl, encoding, extra) ⇒ Object
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# File 'lib/feed_yamlizer/feed_listener.rb', line 98 def xmldecl(decl, encoding, extra) if encoding @x[:xml_encoding] = encoding.downcase else @x[:xml_encoding] = "UTF-8" end end |