Module:Yesno: Difference between revisions
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imported>Mr. Stradivarius (use parent args again) |
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-- Function allowing for consistent treatment of boolean-like wikitext input. |
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local p = {} |
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-- It works similarly to the template {{yesno}}. |
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function |
return function (val, default) |
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-- If your wiki uses non-ascii characters for any of "yes", "no", etc., you |
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-- should replace "val:lower()" with "mw.ustring.lower(val)" in the |
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-- defaults |
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-- following line. |
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local retvals = { |
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val = type(val) == 'string' and val:lower() or val |
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yes = "yes", |
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| ⚫ | |||
no = "", |
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["¬"] = "" |
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} |
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-- Allow arguments to override defaults. Arguments are taken from |
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or val == 'true' |
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-- the parent frame; other arguments are ignored. |
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for k,v in pairs(frame:getParent().args) do |
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then |
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retvals[k] = v |
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return true |
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or val == 'no' |
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val = frame:getParent().args[1] |
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or val == 'n' |
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or val == 'false' |
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-- First deal with the case if val is nil, then deal with other cases. |
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or tonumber(val) == 0 |
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then |
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return retvals['¬'] |
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return false |
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end |
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return default |
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val = val:lower() -- Make lowercase. |
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val = val:match'^%s*(.*%S)' or '' -- Trim whitespace. |
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-- Cases are ordered by (probable) likelihood of use. |
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return retvals['blank'] or retvals['no'] |
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return retvals['yes'] |
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return retvals['no'] |
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return retvals['yes'] |
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return retvals['no'] |
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elseif val == '¬' then |
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return retvals['¬'] |
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return retvals['yes'] |
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elseif tonumber(val) == 0 then |
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return retvals['no'] |
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return retvals['def'] or retvals['yes'] |
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end |
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end |
end |
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Latest revision as of 15:25, 28 July 2014
Documentation for this module may be created at Module:Yesno/doc
-- Function allowing for consistent treatment of boolean-like wikitext input.
-- It works similarly to the template {{yesno}}.
return function (val, default)
-- If your wiki uses non-ascii characters for any of "yes", "no", etc., you
-- should replace "val:lower()" with "mw.ustring.lower(val)" in the
-- following line.
val = type(val) == 'string' and val:lower() or val
if val == nil then
return nil
elseif val == true
or val == 'yes'
or val == 'y'
or val == 'true'
or tonumber(val) == 1
then
return true
elseif val == false
or val == 'no'
or val == 'n'
or val == 'false'
or tonumber(val) == 0
then
return false
else
return default
end
end