Class: Scraping::Rules::Elements

Inherits:
Object
  • Object
show all
Defined in:
lib/scraping/rules/elements.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name, selector, options = {}) ⇒ Elements

Returns a new instance of Elements.



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# File 'lib/scraping/rules/elements.rb', line 6

def initialize(name, selector, options = {})
  @name = name
  @selector = selector
  @options = options
end

Instance Attribute Details

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/scraping/rules/elements.rb', line 4

def name
  @name
end

#options ⇒ Object (readonly)

Returns the value of attribute options.



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# File 'lib/scraping/rules/elements.rb', line 4

def options
  @options
end

#rule ⇒ Object (readonly)

Returns the value of attribute rule.



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# File 'lib/scraping/rules/elements.rb', line 4

def rule
  @rule
end

#selector ⇒ Object (readonly)

Returns the value of attribute selector.



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# File 'lib/scraping/rules/elements.rb', line 4

def selector
  @selector
end

Instance Method Details

#call(scraper, node) ⇒ Object 



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# File 'lib/scraping/rules/elements.rb', line 22

def call(scraper, node)
  node.search(selector).map do |item|
    rule.call(scraper, item)
  end
end

#evaluate(&block) ⇒ Object 



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# File 'lib/scraping/rules/elements.rb', line 12

def evaluate(&block)
  if block_given?
    @rule = ElementsOf.new(name).evaluate(&block)
  else
    @rule = Element.new(name, '.', options)
  end

  self
end