Module: HTMLEntities

Defined in:

lib/lyrics/utils/htmlentities.rb

Overview

Copyright © 2006-2008 by Sergio Pistone sergio_pistone@yahoo.com.ar

This program 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 2 of the License, or (at your option) any later version.

This program 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 this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

Constant Summary

@@named_entities =

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

Class Method Summary

• .decode(text) ⇒ Object
• .decode!(text) ⇒ Object

Class Method Details

.decode(text) ⇒ Object

# File 'lib/lyrics/utils/htmlentities.rb', line 28

def HTMLEntities.decode( text )
	text = String.new( text )
	HTMLEntities.decode!( text )
	return text
end

.decode!(text) ⇒ Object

# File 'lib/lyrics/utils/htmlentities.rb', line 21

def HTMLEntities.decode!( text )
	aux1 = text.gsub!( /&([a-zA-Z]+);/ ) { (n = @@named_entities[$1]) ? [n].pack( "U" ) : $0 }
	aux2 = text.gsub!( /&#(\d{2,4});/ ) { [$1.to_i()].pack( "U" ) }
	aux3 = text.gsub!( /&#x([0-9a-fA-F]{2,4});/ ) { [s.to_i(16)].pack( "U" ) }
	return (aux1||aux2||aux3) ? text : nil
end