Module:Yesno: Difference between revisions
Add inline comments
m>Ori Livneh (Trim space) |
m>Ori Livneh (Add inline comments) |
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function p.yesno( frame ) | function p.yesno( frame ) | ||
-- defaults | |||
local retvals = { | local retvals = { | ||
yes = "yes", | yes = "yes", | ||
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} | } | ||
-- Allow arguments to override defaults. | |||
-- 'any' tracks the presence of any arguments at all. | |||
local any = false | local any = false | ||
for k,v in pairs( frame.args ) do | for k,v in pairs( frame.args ) do | ||
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val = frame.args[1] | val = frame.args[1] | ||
-- According to the template docs, the input should be considered nil | |||
-- only when no params were provided. If any params at all were present, | |||
-- the value must be considered blank. A bit weird, if you ask me. | |||
if (val == nil and not any) or val == '¬' then | if (val == nil and not any) or val == '¬' then | ||
return retvals['¬'] | return retvals['¬'] | ||
end | end | ||
val = (val or ''):lower() | val = (val or ''):lower() -- Coerce to blank if nil; make lowercase. | ||
val = val:match'^%s*(.*%S)' or '' | val = val:match'^%s*(.*%S)' or '' -- Trim whitespace. | ||
if val == '' then | if val == '' then | ||