Class: XPath::Expression::Descendant

Inherits:
Multiple show all
Defined in:
lib/xpath/expression.rb

Constant Summary

Constants included from XPath

VERSION

Instance Method Summary collapse

Methods inherited from Multiple

#initialize

Methods inherited from XPath::Expression

#and, #apply, #current, #equals, #inverse, #is, #next_sibling, #normalize, #one_of, #or, #string_literal, #to_s, #to_xpaths, #union, #where, #wrap_xpath

Methods included from XPath

#anywhere, #attr, #child, #contains, #css, #current, #descendant, generate, #name, #string, #tag, #text, #var, #varstring

Constructor Details

This class inherits a constructor from XPath::Expression::Multiple

Instance Method Details

#to_xpath(predicate = nil) ⇒ Object 



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# File 'lib/xpath/expression.rb', line 54

def to_xpath(predicate=nil)
  if @expressions.length == 1
    "#{@left.to_xpath(predicate)}//#{@expressions.first.to_xpath(predicate)}"
  elsif @expressions.length > 1
    "#{@left.to_xpath(predicate)}//*[#{@expressions.map { |e| "self::#{e.to_xpath(predicate)}" }.join(" | ")}]"
  else
    "#{@left.to_xpath(predicate)}//*"
  end
end