Difference between revisions of "Module:Yesno"
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(get arguments from the parent frame if the current frame doesn't have any) |
(tweak logic to make it work like the actual template - the documentation was slightly wrong) |
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Line 1: | Line 1: | ||
local p = {} | local p = {} | ||
− | + | ||
function p.yesno(frame) | function p.yesno(frame) | ||
− | + | ||
-- defaults | -- defaults | ||
local retvals = { | local retvals = { | ||
Line 9: | Line 9: | ||
["¬"] = "" | ["¬"] = "" | ||
} | } | ||
− | + | ||
-- Allow arguments to override defaults. | -- Allow arguments to override defaults. | ||
-- 'any' tracks the presence of any arguments at all. | -- 'any' tracks the presence of any arguments at all. | ||
Line 27: | Line 27: | ||
end | end | ||
end | end | ||
− | + | ||
val = args[1] | val = args[1] | ||
− | + | ||
− | -- | + | -- First deal with the case if val is nil, then deal with other cases. |
− | + | if val == nil then | |
− | |||
− | if | ||
return retvals['¬'] | return retvals['¬'] | ||
end | end | ||
− | + | ||
− | val = | + | val = val:lower() -- Coerce to blank if nil; make lowercase. |
val = val:match'^%s*(.*%S)' or '' -- Trim whitespace. | val = val:match'^%s*(.*%S)' or '' -- Trim whitespace. | ||
− | + | ||
if val == '' then | if val == '' then | ||
− | return | + | return retvals['blank'] or retvals['no'] |
elseif val == 'n' or val == 'no' or val == '0' then | elseif val == 'n' or val == 'no' or val == '0' then | ||
return retvals['no'] | return retvals['no'] | ||
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end | end | ||
end | end | ||
− | + | ||
return p | return p |
Revision as of 10:18, 23 March 2013
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 any = true 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() -- Coerce to blank if nil; 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 val == '0' then return retvals['no'] elseif val == 'y' or val == 'yes' or val == '1' or retvals['def'] == nil then return retvals['yes'] else return retvals['def'] end end return p