Module:Yesno

    From Nonbinary Wiki
    Revision as of 10:13, 28 March 2013 by m>Mr. Stradivarius (use parent args again)

    Documentation for this module may be created at Module:Yesno/doc

    local p = {}
    
    function p.yesno(frame)
    
        -- defaults
        local retvals = {
            yes   = "yes",
            no    = "",
            ["¬"] = ""
        }
    
        -- Allow arguments to override defaults. Arguments are taken from
        -- the parent frame; other arguments are ignored.
        for k,v in pairs(frame:getParent().args) do
            retvals[k] = v
        end
    
        val = frame:getParent().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.
    
        -- Cases are ordered by (probable) likelihood of use. 
        if val == '' then
            return retvals['blank'] or retvals['no']
        elseif val == 'yes' then
            return retvals['yes']
        elseif val == 'no' then
            return retvals['no']
        elseif val == 'y' then
            return retvals['yes']
        elseif val == 'n' then
            return retvals['no']
        elseif val == '¬' then
            return retvals['¬']
        elseif tonumber(val) == 1 then
            return retvals['yes']
        elseif tonumber(val) == 0 then
            return retvals['no']
        else
            return retvals['def'] or retvals['yes']
        end
    end
    
    return p