Yesno
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Revision as of 22:01, 23 March 2013 by Mr. Stradivarius (talk) (back to the old "no" value, per talk)
Revision as of 22:01, 23 March 2013 by Mr. Stradivarius (talk) (back to the old "no" value, per talk)
Documentation for this module may be created at Module:Yesno/doc
local p = {}
function p.yesno(frame)
-- defaults
local retvals = {
yes = "yes",
no = "",
["¬"] = ""
}
-- Allow arguments to override defaults.
-- 'any' tracks the presence of any arguments at all.
local args = frame.args
local any = false
for k,v in pairs(args) do
any = true
retvals[k] = v
end
-- If there are no arguments, try and get them from the parent frame.
if any == false then
local pframe = frame:getParent()
args = pframe.args
for k,v in pairs(args) do
retvals[k] = v
end
end
val = args[1]
-- First deal with the case if val is nil, then deal with other cases.
if val == nil then
return retvals['¬']
end
val = val:lower() -- Make lowercase.
val = val:match'^%s*(.*%S)' or '' -- Trim whitespace.
if val == '' then
return retvals['blank'] or retvals['no']
elseif val == 'n' or val == 'no' or tonumber(val) == 0 then
return retvals['no']
elseif val == 'y' or val == 'yes' or tonumber(val) == 1 then
return retvals['yes']
elseif val == '¬' then
return retvals['¬']
else
return retvals['def'] or retvals['yes']
end
end
return p