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File name : loofah.rb

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# frozen_string_literal: true
$LOAD_PATH.unshift(File.expand_path(File.dirname(__FILE__))) unless $LOAD_PATH.include?(File.expand_path(File.dirname(__FILE__)))

require "nokogiri"

require "loofah/metahelpers"
require "loofah/elements"

require "loofah/html5/safelist"
require "loofah/html5/libxml2_workarounds"
require "loofah/html5/scrub"

require "loofah/scrubber"
require "loofah/scrubbers"

require "loofah/instance_methods"
require "loofah/xml/document"
require "loofah/xml/document_fragment"
require "loofah/html/document"
require "loofah/html/document_fragment"

# == Strings and IO Objects as Input
#
# Loofah.document and Loofah.fragment accept any IO object in addition
# to accepting a string. That IO object could be a file, or a socket,
# or a StringIO, or anything that responds to +read+ and
# +close+. Which makes it particularly easy to sanitize mass
# quantities of docs.
#
module Loofah
  # The version of Loofah you are using
  VERSION = "2.4.0"

class << self
    # Shortcut for Loofah::HTML::Document.parse
    # This method accepts the same parameters as Nokogiri::HTML::Document.parse
    def document(*args, &block)
      Loofah::HTML::Document.parse(*args, &block)
    end

# Shortcut for Loofah::HTML::DocumentFragment.parse
    # This method accepts the same parameters as Nokogiri::HTML::DocumentFragment.parse
    def fragment(*args, &block)
      Loofah::HTML::DocumentFragment.parse(*args, &block)
    end

# Shortcut for Loofah.fragment(string_or_io).scrub!(method)
    def scrub_fragment(string_or_io, method)
      Loofah.fragment(string_or_io).scrub!(method)
    end

# Shortcut for Loofah.document(string_or_io).scrub!(method)
    def scrub_document(string_or_io, method)
      Loofah.document(string_or_io).scrub!(method)
    end

# Shortcut for Loofah::XML::Document.parse
    # This method accepts the same parameters as Nokogiri::XML::Document.parse
    def xml_document(*args, &block)
      Loofah::XML::Document.parse(*args, &block)
    end

# Shortcut for Loofah::XML::DocumentFragment.parse
    # This method accepts the same parameters as Nokogiri::XML::DocumentFragment.parse
    def xml_fragment(*args, &block)
      Loofah::XML::DocumentFragment.parse(*args, &block)
    end

# Shortcut for Loofah.xml_fragment(string_or_io).scrub!(method)
    def scrub_xml_fragment(string_or_io, method)
      Loofah.xml_fragment(string_or_io).scrub!(method)
    end

# Shortcut for Loofah.xml_document(string_or_io).scrub!(method)
    def scrub_xml_document(string_or_io, method)
      Loofah.xml_document(string_or_io).scrub!(method)
    end

# A helper to remove extraneous whitespace from text-ified HTML
    def remove_extraneous_whitespace(string)
      string.gsub(/\n\s*\n\s*\n/, "\n\n")
    end
  end
end