require 'nokogiri/html/document'
require 'nokogiri/html/sax/parser'

module Nokogiri
  class << self
    ###
    # Parse HTML.  +thing+ may be a String, or any object that
    # responds to _read_ and _close_ such as an IO, or StringIO.
    # +url+ is resource where this document is located.  +encoding+ is the
    # encoding that should be used when processing the document. +options+
    # is a number that sets options in the parser, such as
    # Nokogiri::XML::PARSE_RECOVER.  See the constants in
    # Nokogiri::XML.
    def HTML thing, url = nil, encoding = nil, options = 2145
      Nokogiri::HTML.parse(thing, url, encoding, options)
    end
  end

  module HTML
    # Parser options
    PARSE_NOERROR   = 1 << 5  # No error reports
    PARSE_NOWARNING = 1 << 6  # No warnings 
    PARSE_PEDANTIC  = 1 << 7  # Pedantic errors
    PARSE_NOBLANKS  = 1 << 8  # Remove blanks nodes
    PARSE_NONET     = 1 << 11 # No network access

    class << self
      ###
      # Parse HTML.  See Nokogiri.HTML.
      def parse string_or_io, url = nil, encoding = nil, options = 2145
        if string_or_io.respond_to?(:read)
          url ||= string_or_io.respond_to?(:path) ? string_or_io.path : nil
          return Document.read_io(string_or_io, url, encoding, options)
        end

        Document.read_memory(string_or_io, url, encoding, options)
      end

      ####
      # Parse a fragment from +string+ in to a NodeSet.
      def fragment string
        doc = parse(string)
        fragment = XML::DocumentFragment.new(doc)
        finder = lambda { |c, f|
          c.each do |child|
            fragment.add_child(child) if string =~ /<#{child.name}/
          end
          return fragment if fragment.children.length > 0

          c.each do |child|
            finder.call(child.children, f)
          end
        }
        finder.call(doc.children, finder)
        fragment
      end
    end

  NamedCharacters =
{"AElig"=>198, "Aacute"=>193, "Acirc"=>194, "Agrave"=>192, "Alpha"=>913,
 "Aring"=>197, "Atilde"=>195, "Auml"=>196, "Beta"=>914, "Ccedil"=>199,
 "Chi"=>935, "Dagger"=>8225, "Delta"=>916, "ETH"=>208, "Eacute"=>201,
 "Ecirc"=>202, "Egrave"=>200, "Epsilon"=>917, "Eta"=>919, "Euml"=>203,
 "Gamma"=>915, "Iacute"=>205, "Icirc"=>206, "Igrave"=>204, "Iota"=>921,
 "Iuml"=>207, "Kappa"=>922, "Lambda"=>923, "Mu"=>924, "Ntilde"=>209, "Nu"=>925,
 "OElig"=>338, "Oacute"=>211, "Ocirc"=>212, "Ograve"=>210, "Omega"=>937,
 "Omicron"=>927, "Oslash"=>216, "Otilde"=>213, "Ouml"=>214, "Phi"=>934,
 "Pi"=>928, "Prime"=>8243, "Psi"=>936, "Rho"=>929, "Scaron"=>352, "Sigma"=>931,
 "THORN"=>222, "Tau"=>932, "Theta"=>920, "Uacute"=>218, "Ucirc"=>219,
 "Ugrave"=>217, "Upsilon"=>933, "Uuml"=>220, "Xi"=>926, "Yacute"=>221,
 "Yuml"=>376, "Zeta"=>918, "aacute"=>225, "acirc"=>226, "acute"=>180,
 "aelig"=>230, "agrave"=>224, "alefsym"=>8501, "alpha"=>945, "amp"=>38,
 "and"=>8743, "ang"=>8736, "apos"=>39, "aring"=>229, "asymp"=>8776,
 "atilde"=>227, "auml"=>228, "bdquo"=>8222, "beta"=>946, "brvbar"=>166,
 "bull"=>8226, "cap"=>8745, "ccedil"=>231, "cedil"=>184, "cent"=>162,
 "chi"=>967, "circ"=>710, "clubs"=>9827, "cong"=>8773, "copy"=>169,
 "crarr"=>8629, "cup"=>8746, "curren"=>164, "dArr"=>8659, "dagger"=>8224,
 "darr"=>8595, "deg"=>176, "delta"=>948, "diams"=>9830, "divide"=>247,
 "eacute"=>233, "ecirc"=>234, "egrave"=>232, "empty"=>8709, "emsp"=>8195,
 "ensp"=>8194, "epsilon"=>949, "equiv"=>8801, "eta"=>951, "eth"=>240,
 "euml"=>235, "euro"=>8364, "exist"=>8707, "fnof"=>402, "forall"=>8704,
 "frac12"=>189, "frac14"=>188, "frac34"=>190, "frasl"=>8260, "gamma"=>947,
 "ge"=>8805, "gt"=>62, "hArr"=>8660, "harr"=>8596, "hearts"=>9829,
 "hellip"=>8230, "iacute"=>237, "icirc"=>238, "iexcl"=>161, "igrave"=>236,
 "image"=>8465, "infin"=>8734, "int"=>8747, "iota"=>953, "iquest"=>191,
 "isin"=>8712, "iuml"=>239, "kappa"=>954, "lArr"=>8656, "lambda"=>955,
 "lang"=>9001, "laquo"=>171, "larr"=>8592, "lceil"=>8968, "ldquo"=>8220,
 "le"=>8804, "lfloor"=>8970, "lowast"=>8727, "loz"=>9674, "lrm"=>8206,
 "lsaquo"=>8249, "lsquo"=>8216, "lt"=>60, "macr"=>175, "mdash"=>8212,
 "micro"=>181, "middot"=>183, "minus"=>8722, "mu"=>956, "nabla"=>8711,
 "nbsp"=>160, "ndash"=>8211, "ne"=>8800, "ni"=>8715, "not"=>172, "notin"=>8713,
 "nsub"=>8836, "ntilde"=>241, "nu"=>957, "oacute"=>243, "ocirc"=>244,
 "oelig"=>339, "ograve"=>242, "oline"=>8254, "omega"=>969, "omicron"=>959,
 "oplus"=>8853, "or"=>8744, "ordf"=>170, "ordm"=>186, "oslash"=>248,
 "otilde"=>245, "otimes"=>8855, "ouml"=>246, "para"=>182, "part"=>8706,
 "permil"=>8240, "perp"=>8869, "phi"=>966, "pi"=>960, "piv"=>982,
 "plusmn"=>177, "pound"=>163, "prime"=>8242, "prod"=>8719, "prop"=>8733,
 "psi"=>968, "quot"=>34, "rArr"=>8658, "radic"=>8730, "rang"=>9002,
 "raquo"=>187, "rarr"=>8594, "rceil"=>8969, "rdquo"=>8221, "real"=>8476,
 "reg"=>174, "rfloor"=>8971, "rho"=>961, "rlm"=>8207, "rsaquo"=>8250,
 "rsquo"=>8217, "sbquo"=>8218, "scaron"=>353, "sdot"=>8901, "sect"=>167,
 "shy"=>173, "sigma"=>963, "sigmaf"=>962, "sim"=>8764, "spades"=>9824,
 "sub"=>8834, "sube"=>8838, "sum"=>8721, "sup"=>8835, "sup1"=>185, "sup2"=>178,
 "sup3"=>179, "supe"=>8839, "szlig"=>223, "tau"=>964, "there4"=>8756,
 "theta"=>952, "thetasym"=>977, "thinsp"=>8201, "thorn"=>254, "tilde"=>732,
 "times"=>215, "trade"=>8482, "uArr"=>8657, "uacute"=>250, "uarr"=>8593,
 "ucirc"=>251, "ugrave"=>249, "uml"=>168, "upsih"=>978, "upsilon"=>965,
 "uuml"=>252, "weierp"=>8472, "xi"=>958, "yacute"=>253, "yen"=>165,
 "yuml"=>255, "zeta"=>950, "zwj"=>8205, "zwnj"=>8204}
  end
end