AMSSpecialist

----------------------------------------------------------------------------

-- Decode an URL-encoded string (see RFC 2396)

----------------------------------------------------------------------------

function url_unescape (str)

	str = string.gsub (str, "+", " ")

	str = string.gsub (str, "%%(%x%x)", function(h) return string.char(tonumber(h,16)) end)

	str = string.gsub (str, "\r\n", "\n")

	return str

end



----------------------------------------------------------------------------

-- URL-encode a string (see RFC 2396)

----------------------------------------------------------------------------

function url_escape (str)

	str = string.gsub (str, "\n", "\r\n")

	str = string.gsub (str, "([^%w ])",

		function (c) return string.format ("%%%02X", string.byte(c)) end)

	str = string.gsub (str, " ", "+")

	return str

end