Difference between revisions of "Module:Yesno"

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en>Mr. Stradivarius
(better code for getting args)
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local p = {}
-- Function allowing for consistent treatment of boolean-like wikitext input.
-- It works similarly to the template {{yesno}}.


function p.yesno(frame)
return function (val, default)
 
-- If your wiki uses non-ascii characters for any of "yes", "no", etc., you
    -- defaults
-- should replace "val:lower()" with "mw.ustring.lower(val)" in the
    local retvals = {
-- following line.
        yes  = "yes",
val = type(val) == 'string' and val:lower() or val
        no   = "",
if val == nil then
        ["¬"] = ""
return nil
    }
elseif val == true
 
or val == 'yes'
    -- Allow arguments to override defaults. Arguments are taken from
or val == 'y'
    -- the parent frame; other arguments are ignored.
or val == 'true'
    local args;
or val == 't'
    if frame == mw.getCurrentFrame() then
or val == 'on'
        -- We're being called via #invoke. If the invoking template passed any args, use
or tonumber(val) == 1
        -- them. Otherwise, use the args that were passed into the template.
then
        args = frame:getParent().args;
return true
        for k, v in pairs(frame.args) do
elseif val == false
            args = frame.args;
or val == 'no'
            break
or val == 'n'
        end
or val == 'false'
    else
or val == 'f'
        -- We're being called from another module or from the debug console, so assume
or val == 'off'
        -- the args are passed in directly.
or tonumber(val) == 0
        args = frame;
then
    end
return false
   
else
    for k,v in pairs(args) do
return default
        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

Latest revision as of 05:37, 19 July 2021

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 val == 'on'
		or tonumber(val) == 1
	then
		return true
	elseif val == false
		or val == 'no'
		or val == 'n'
		or val == 'false'
		or val == 'f'
		or val == 'off'
		or tonumber(val) == 0
	then
		return false
	else
		return default
	end
end