Class: Nokogiri::XML::Node

Inherits:
Object
  • Object
show all
Defined in:
lib/rusty/nokogiri_ext.rb

Overview

Instance Method Summary collapse

Instance Method Details

#attributes_hash ⇒ Object

returns a nodes attributes as a hash



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# File 'lib/rusty/nokogiri_ext.rb', line 12

def attributes_hash
  attributes.inject({}) do |hash, (name, attr)|
    hash.update name => attr.value
  end 
end

#classes ⇒ Object

returns an array of classes as Strings



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# File 'lib/rusty/nokogiri_ext.rb', line 19

def classes
  return [] unless classes = self["class"]
  classes.strip.split(/\s+/)
end

#has_class?(name) ⇒ Boolean

does this node has a class with a given name?

Returns:

  • (Boolean) 


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# File 'lib/rusty/nokogiri_ext.rb', line 25

def has_class?(name)
  @class_syms ||= classes.map(&:to_sym)
  @class_syms.include?(name.to_sym)
end

#parents ⇒ Object 



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# File 'lib/rusty/nokogiri_ext.rb', line 30

def parents
  return [] if parent == document
  self_and_parents(parent)
end

#self_and_parents(node = self) ⇒ Object

return a list of all parent nodes, up until and excluding the document node.



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# File 'lib/rusty/nokogiri_ext.rb', line 36

def self_and_parents(node=self)
  [ ].tap do |parents|
    while node.parent != node.document
      parents.unshift(node)
      node = node.parent
    end
    parents.unshift node
  end
end

#simplified_name ⇒ Object

returns the debug node name for this node; which is a simplified CSS node name name#idclassclass



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# File 'lib/rusty/nokogiri_ext.rb', line 48

def simplified_name
  simplified_name = name
  if id = self["id"]
    simplified_name += "##{id}"
  end
  classes.each do |klass|
    simplified_name += ".#{klass}"
  end
  simplified_name.gsub(/^div([\.\#])/, "\\1")
end