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Contents
#
# Ronin Web - A Ruby library for Ronin that provides support for web
# scraping and spidering functionality.
#
# Copyright (c) 2006-2011 Hal Brodigan (postmodern.mod3 at gmail.com)
#
# This file is part of Ronin Web.
#
# Ronin is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Ronin is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Ronin. If not, see <http://www.gnu.org/licenses/>.
#
require 'nokogiri'
module Nokogiri
module XML
class Document < Node
#
# Calculates the sum of all sub-children of the document.
#
# @return [Integer]
# The total number of children and sub-children of the document.
# Returns `0` if the document has no root element.
#
# @api public
#
def total_children
if root
1 + root.total_children
else
0
end
end
end
end
end
Version data entries
3 entries across 3 versions & 1 rubygems