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(get arguments from the parent frame if the current frame doesn't have any) |
m (1 revision imported: import clickable buttons 2) |
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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 p.yesno(frame) |
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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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-- defaults |
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-- should replace "val:lower()" with "mw.ustring.lower(val)" in the |
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local retvals = { |
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-- following line. |
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yes = "yes", |
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val = type(val) == 'string' and val:lower() or val |
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no = "", |
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["¬"] = "" |
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} |
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elseif val == true |
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or val == 'yes' |
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-- Allow arguments to override defaults. |
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or val == 'y' |
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-- 'any' tracks the presence of any arguments at all. |
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or val == 'true' |
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local args = frame.args |
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or val == 't' |
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local any = false |
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or tonumber(val) == 1 |
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for k,v in pairs(args) do |
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then |
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any = true |
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return true |
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retvals[k] = v |
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elseif val == false |
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end |
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or val == 'no' |
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-- If there are no arguments, try and get them from the parent frame. |
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or val == 'n' |
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if any == false then |
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or val == 'false' |
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local pframe = frame:getParent() |
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or val == 'f' |
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args = pframe.args |
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or tonumber(val) == 0 |
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for k,v in pairs(args) do |
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then |
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any = true |
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return false |
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retvals[k] = v |
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end |
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return default |
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end |
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end |
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val = args[1] |
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-- According to the template docs, the input should be considered nil |
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-- only when no params were provided. If any params at all were present, |
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-- the value must be considered blank. A bit weird, if you ask me. |
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if (val == nil and not any) or val == '¬' then |
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return retvals['¬'] |
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end |
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val = (val or ''):lower() -- Coerce to blank if nil; make lowercase. |
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val = val:match'^%s*(.*%S)' or '' -- Trim whitespace. |
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return retvals['blank'] ~= nil and retvals['blank'] or retvals['no'] |
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elseif val == 'n' or val == 'no' or val == '0' then |
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return retvals['no'] |
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elseif val == 'y' or val == 'yes' or val == '1' or retvals['def'] == nil then |
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return retvals['yes'] |
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return retvals['def'] |
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end |
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end |
end |
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Latest revision as of 00:31, 28 March 2020
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 val == 't'
or tonumber(val) == 1
then
return true
elseif val == false
or val == 'no'
or val == 'n'
or val == 'false'
or val == 'f'
or tonumber(val) == 0
then
return false
else
return default
end
end