Module: HtmlSlicer::Utilities::NodeMatchExtension

Included in:
Mappers::Resizing, Mappers::Slicing
Defined in:
lib/html_slicer/utilities.rb

Instance Method Summary collapse

Instance Method Details

#able_to?(node, options) ⇒ Boolean

Checking if node is included in :only parameter and/or excluded of :except parameeter.

Returns:

  • (Boolean) 


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# File 'lib/html_slicer/utilities.rb', line 24

def able_to?(node, options)
  if options.only.present?
    general_match(node, options.only)
  elsif options.except.present?
    !general_match(node, options.except)
  else
    true
  end
end

#general_match(node, hashes = []) ⇒ Object

Checking if node is a member of other node’s tree. Accepts hashes as conditions. Returns true if node or it’s parent matches at least one condition, or false otherwise.



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# File 'lib/html_slicer/utilities.rb', line 36

def general_match(node, hashes = [])
  conditions = Array.wrap(hashes)
  while node
    break true if conditions.each {|condition| break true if node.match(condition)} == true
    node = node.parent
  end||false
end