Class: Scrapzirra::Scrap

Inherits:
Object
  • Object
show all
Defined in:
lib/scrapzirra/scrap.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(url, options = {}) ⇒ Scrap

Returns a new instance of Scrap.



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# File 'lib/scrapzirra/scrap.rb', line 5

def initialize url, options = {}
  @url = url
  @doc = Nokogiri::HTML(options[:doc]) if options[:doc]
end

Instance Attribute Details

#url ⇒ Object

Returns the value of attribute url.



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# File 'lib/scrapzirra/scrap.rb', line 3

def url
  @url
end

Instance Method Details

#doc ⇒ Object 



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# File 'lib/scrapzirra/scrap.rb', line 10

def doc
  @doc || load_doc
end

#load_doc ⇒ Object 



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# File 'lib/scrapzirra/scrap.rb', line 14

def load_doc
  require 'nokogiri'
  require 'open-uri'

  @doc = Nokogiri::HTML(open(@url).read)
  @doc.encoding = 'utf-8'
  @doc
rescue
  @doc = Nokogiri::HTML::Document.parse('No data')
end

#selector_content(css) ⇒ Object 



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# File 'lib/scrapzirra/scrap.rb', line 25

def selector_content css
  doc.css(css).collect{|a| a.inner_html }.inject(:+)
end