Module:Convert: Difference between revisions
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local p = {} | local p = {} | ||
function convert(in_val,in_unit,out_unit) | |||
local out_val; | |||
if in_unit .. "|" .. out_unit == "°C|°F" then | |||
out_val = in_val * 9 / 5 + 32; | |||
elseif in_unit .. "|" .. out_unit == "°F|°C" then | |||
out_val = (in_val - 32) * 5 / 9; | |||
elseif in_unit .. "|" .. out_unit == "kg|lb" then | |||
out_val = in_val * 2.20462262; | |||
end | |||
return out_val | |||
end | |||
-- This is the top-level function called by {{convert}}. | -- This is the top-level function called by {{convert}}. | ||
Line 25: | Line 38: | ||
in_unit = args[2]; | in_unit = args[2]; | ||
out_unit = args[3]; | out_unit = args[3]; | ||
out_val1 = convert(in_val,in_unit,out_unit); | |||
if disp == "or" then | if disp == "or" then |
Revision as of 18:35, 2 September 2012
Documentation for this module may be created at Module:Convert/doc
--require "mw.text"
--require "mw.page"
local p = {}
function convert(in_val,in_unit,out_unit)
local out_val;
if in_unit .. "|" .. out_unit == "°C|°F" then
out_val = in_val * 9 / 5 + 32;
elseif in_unit .. "|" .. out_unit == "°F|°C" then
out_val = (in_val - 32) * 5 / 9;
elseif in_unit .. "|" .. out_unit == "kg|lb" then
out_val = in_val * 2.20462262;
end
return out_val
end
-- This is the top-level function called by {{convert}}.
function p.main(frame, config, args)
local pframe = frame:getParent();
local args = pframe.args; -- the arguments passed TO the {{convert}} template, in the wikitext that instantiates the template
local config = frame.args; -- the arguments passed BY the {{convert}} template, in the wikitext of the template itself
local output;
in_val1 = tonumber(args[1]);
in_val2 = tonumber(args[3]);
disp = args["disp"];
if in_val1 == nil then
error ("Module:Convert value not supplied");
return ""
end
if in_val2 == nil then
-- Single value supplied
in_unit = args[2];
out_unit = args[3];
out_val1 = convert(in_val,in_unit,out_unit);
if disp == "or" then
output = in_val1 .. " " .. in_unit .. " or " .. out_val1 .. " " .. out_unit;
elseif disp == "sqbr" then
output = in_val1 .. " " .. in_unit .. " <nowiki>[</nowiki>" .. out_val1 .. " " .. out_unit .. "<nowiki>]</nowiki>";
else
output = in_val1 .. " " .. in_unit .. " (" .. out_val1 .. " " .. out_unit .. ")";
end
else
-- Two values supplied
range = args[2];
in_unit = args[4];
out_unit = args[5];
end
--error ("Module:Convert is not implemented");
return output
end
return p