Small library to process HTML entities in Garry's Mod.

htmlentities.lua

--[[
	Entities list by Walter Cruz.
	Library by _FR_Starfox64.
]]--

htmlentities = {}

htmlentities.entities = {
	[" "] = " ",
	["¡"] = "¡",
	["¢"] = "¢",
	["£"] = "£",
	["¤"] = "¤",
	["¥"] = "¥",
	["¦"] = "¦",
	["§"] = "§",
	["¨"] = "¨",
	["©"] = "©",
	["ª"] = "ª",
	["«"] = "«",
	["¬"] = "¬",
	["­"] = "­",
	["®"] = "®",
	["¯"] = "¯",
	["°"] = "°",
	["±"] = "±",
	["²"] = "²",
	["³"] = "³",
	["´"] = "´",
	["µ"] = "µ",
	["¶"] = "¶",
	["·"] = "·",
	["¸"] = "¸",
	["¹"] = "¹",
	["º"] = "º",
	["»"] = "»",
	["¼"] = "¼",
	["½"] = "½",
	["¾"] = "¾",
	["¿"] = "¿",
	["À"] = "À",
	["Á"] = "Á",
	["Â"] = "Â",
	["Ã"] = "Ã",
	["Ä"] = "Ä",
	["Å"] = "Å",
	["Æ"] = "Æ",
	["Ç"] = "Ç",
	["È"] = "È",
	["É"] = "É",
	["Ê"] = "Ê",
	["Ë"] = "Ë",
	["Ì"] = "Ì",
	["Í"] = "Í",
	["Î"] = "Î",
	["Ï"] = "Ï",
	["Ð"] = "Ð",
	["Ñ"] = "Ñ",
	["Ò"] = "Ò",
	["Ó"] = "Ó",
	["Ô"] = "Ô",
	["Õ"] = "Õ",
	["Ö"] = "Ö",
	["×"] = "×",
	["Ø"] = "Ø",
	["Ù"] = "Ù",
	["Ú"] = "Ú",
	["Û"] = "Û",
	["Ü"] = "Ü",
	["Ý"] = "Ý",
	["Þ"] = "Þ",
	["ß"] = "ß",
	["à"] = "à",
	["á"] = "á",
	["â"] = "â",
	["ã"] = "ã",
	["ä"] = "ä",
	["å"] = "å",
	["æ"] = "æ",
	["ç"] = "ç",
	["è"] = "è",
	["é"] = "é",
	["ê"] = "ê",
	["ë"] = "ë",
	["ì"] = "ì",
	["í"] = "í",
	["î"] = "î",
	["ï"] = "ï",
	["ð"] = "ð",
	["ñ"] = "ñ",
	["ò"] = "ò",
	["ó"] = "ó",
	["ô"] = "ô",
	["õ"] = "õ",
	["ö"] = "ö",
	["÷"] = "÷",
	["ø"] = "ø",
	["ù"] = "ù",
	["ú"] = "ú",
	["û"] = "û",
	["ü"] = "ü",
	["ý"] = "ý",
	["þ"] = "þ",
	["ÿ"] = "ÿ",
	["\""] = """,
	["\'"] = "'",
	["<"] = "&lt;",
	[">"] = "&gt;",
	["&"] = "&amp;"
}

htmlentities.entsToSymbols = {}

for symbol, ent in pairs( htmlentities.entities ) do
	htmlentities.entsToSymbols[ ent ] = symbol
end

--[[
	Converts HTML Entities into their proper symbol.
	@arg1-> string to process
	@return-> processed string
]]--
function htmlentities.encode( text )
	return (string.gsub( text, ".", htmlentities.entities ))
end

--[[
	Converts text into properly encoded HTML Entities.
	@arg1-> string to process
	@return-> processed string
]]--
function htmlentities.decode( text )
	return (string.gsub( text, "&.-;", function(ent)
		if htmlentities.entsToSymbols[ent] then
			return htmlentities.entsToSymbols[ent]
		end
	end))
end