Class: Hpricot::Elem

Inherits:
Object
  • Object
show all
Includes:
AssertXPath::CommonXPathExtensions
Defined in:
lib/assert_xpath.rb

Overview

:nodoc:

Instance Method Summary collapse

Methods included from AssertXPath::CommonXPathExtensions

#identifiable?, #raise_magic_member_not_found, #symbolic?, #tribute

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(*args, &block) ⇒ Object

:nodoc:



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# File 'lib/assert_xpath.rb', line 832

def method_missing(*args, &block) #:nodoc:
  symbol = args.shift.to_s.sub(/\!$/, '')
  
  children.grep(Hpricot::Elem).each do |kid|
    if kid.name == symbol
      kid.tribute(block)
        #  ERGO  assert on return value
        #  ERGO  pass kid in for if you want it
      return kid
    end
  end

  raise_magic_member_not_found(symbol, caller)  #  ERGO  repurpose!
end

Instance Method Details

#[](index) ⇒ Object

:nodoc:



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# File 'lib/assert_xpath.rb', line 794

def [](index) #:nodoc:
#  ERGO  do this conflict with anything?
  if symbol = symbolic?(index)
    return attributes[symbol]  if attributes.has_key? symbol
    raise_magic_member_not_found(symbol, caller)
  end
  
  super
end

#drill(&block) ⇒ Object 



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# File 'lib/assert_xpath.rb', line 812

def drill(&block)
  if block
      #  ERGO  harmonize with bang! version
      #  ERGO  deal if the key ain't a valid variable
      #  ERGO  get method_missing to stop returning []
    unless tribute(block)  #  ERGO  pass in self (node)?
      sib = self
      nil while (sib = sib.next_sibling) and sib.node_type != :element
      q = sib and _bequeath_attributes(sib).drill(&block)
      return sib  if q
      raise Test::Unit::AssertionFailedError.new("can't find beyond <#{_esc xpath}>")
    end
  end
  
  return self
  #  ERGO  if block returns false/nil, find siblings until it passes.
  #        throw a test failure if it don't.
  #  ERGO  axis concept
end

#node_type ⇒ Object 



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# File 'lib/assert_xpath.rb', line 808

def node_type
  return :element  #  ERGO  make me less useless
end

#text ⇒ Object

simulate REXML style - fetch child with text



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# File 'lib/assert_xpath.rb', line 804

def text  #  simulate REXML style - fetch child with text
  return (text? ? to_s : '') + children.select(&:text?).map(&:to_s).compact.join
end