Class: Nokogiri::XML::Node

Inherits:
Object
  • Object
show all
Defined in:
lib/data_collector/ext/nokogiri.rb

Overview

Mix-in of the Nokogiri XML Node Class that implements methods to convert nodes to a hash. Author: Mario “Kuroir” Ricalde (kuroir.com)

Instance Method Summary collapse

Instance Method Details

#collect_attributes ⇒ Object

Collect Attributes of a given node.



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# File 'lib/data_collector/ext/nokogiri.rb', line 26

def collect_attributes
  output = {}
  self.attributes.each { |name, value| output = output.merge({ name.to_sym => value.to_s.split(/\s+/) }) }
  output
end

#collect_children ⇒ Object

Priest method.



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# File 'lib/data_collector/ext/nokogiri.rb', line 33

def collect_children
  self.element_children.collect { |child| child.collect_nodes } || []
end

#collect_nodes ⇒ Object

Recursive method to collect nodes. We add the children symbol always to keep the array structure constant.



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# File 'lib/data_collector/ext/nokogiri.rb', line 21

def collect_nodes
  { self.name.to_sym => self.collect_attributes.merge({:children => collect_children }) }
end

#to_hash(selector = 'body > *') ⇒ Object

Convert a selected node to a Hash. It accepts a CSS3 Selector as an attribute. Returns the hash.



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# File 'lib/data_collector/ext/nokogiri.rb', line 10

def to_hash(selector = 'body > *')
  hash = []
  self.css(selector).each do |node|
    hash << node.collect_nodes
  end
  # Return the hash
  hash.map{|m| m.is_a?(Hash) ? m.with_indifferent_access : m}
end