class Feedalizer::Feed
Constants
- IDENTIFIER
Attributes
page[R]
Public Class Methods
new(url, &block)
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# File lib/feedalizer.rb, line 12 def initialize(url, &block) @page = grab_page(url) @rss = RSS::Maker::RSS20.new feed.generator = IDENTIFIER feed.link = url feed.description = "Scraped from #{url}" instance_eval(&block) if block end
Public Instance Methods
debug!()
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# File lib/feedalizer.rb, line 48 def debug! @rss.items.each do |item| STDERR.puts [item.title, item.date, item.link].join('; ') end end
feed()
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# File lib/feedalizer.rb, line 23 def feed @rss.channel end
grab_page(url)
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# File lib/feedalizer.rb, line 36 def grab_page(url) open(url) { |io| Oga.parse_html(io) } end
output()
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# File lib/feedalizer.rb, line 40 def output @rss.to_feed.to_s end
output!(target = STDOUT)
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# File lib/feedalizer.rb, line 44 def output!(target = STDOUT) target << output end
scrape_items(query, limit = 15) { |rss_item, html_element| ... }
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# File lib/feedalizer.rb, line 27 def scrape_items(query, limit = 15) elements = @page.xpath(query) elements.first(limit).each do |html_element| rss_item = @rss.items.new_item yield rss_item, html_element end end