Editing Yesno
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− | + | 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 | end | ||
+ | |||
+ | return p |