Module:N34: Difference between revisions
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m 1 revision imported: Initial setup |
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Latest revision as of 18:59, 23 December 2024
Module documentation
[create]
local n34 = {}
local gsub, char, byte, format = string.gsub, string.char, string.byte, string.format
local entityMap = {["lt"]="<",["gt"]=">",["amp"]="&",["quot"]='"',["apos"]="'"}
local entitySwap = function(orig,n,s)
return (n=='' and entityMap[s])
or (n=="#" and tonumber(s)) and char(s)
or (n=="#x" and tonumber(s,16)) and char(tonumber(s,16))
or orig
end
function n34.encode ( frame )
local args = frame.args;
local str = args[1];
str = gsub (str, "\n", "\r\n")
str = gsub (str, "([^%w ])",
function (c) return format ("%%%02X", byte(c)) end)
str = gsub (str, " ", "+")
return str
end
function n34.decode( frame )
local args = frame.args;
local str = args[1];
str = gsub (str, "+", " ")
str = gsub (str, "%%(%x%x)",
function(h) return char(tonumber(h,16)) end)
str = gsub (str, "\r\n", "\n")
return str
end
function n34.hextoden( frame )
local args = frame.args;
local str = args[1];
str = tostring(tonumber(str, 16))
return str
end
function n34.unescapehtml( frame )
local args = frame.args;
local str = args[1];
return (gsub( str, '(&(#?x?)([%d%a]+);)', entitySwap ))
end
function n34.escapehtml( frame )
local args = frame.args;
local str = args[1];
str = gsub (str, "\n", "\r\n")
str = gsub (str, "([^%w ])",
function (c) return format ("&#%u;", byte(c)) end)
str = gsub (str, " ", "+")
return str
end
return n34