51 lines
1.1 KiB
Ruby
51 lines
1.1 KiB
Ruby
module Oneboxer
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class << self
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def parse_open_graph(doc)
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result = {}
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%w(title type image url description).each do |prop|
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node = doc.at("/html/head/meta[@property='og:#{prop}']")
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result[prop] = (node['content'] || node['value']) if node
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end
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# If there's no title, try using the page's title
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if result['title'].blank?
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result['title'] = doc.title
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end
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# If there's no description, try and get one from the meta tags
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if result['description'].blank?
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node = doc.at("/html/head/meta[@name='description']")
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result['description'] = node['content'] if node
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end
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if result['description'].blank?
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node = doc.at("/html/head/meta[@name='Description']")
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result['description'] = node['content'] if node
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end
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result
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end
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end
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class Matcher
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attr_reader :regexp, :klass
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def initialize(klass)
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@klass = klass
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@regexp = klass.regexp
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end
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end
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module Base
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def matchers
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@matchers ||= []
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end
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def add_onebox(klass)
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matchers << Matcher.new(klass)
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end
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end
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end
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