Module:Yesno

    From Nonbinary Wiki
    Revision as of 10:25, 28 March 2013 by m>Mr. Stradivarius (better code for getting args)

    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.
        local args;
        if frame == mw.getCurrentFrame() then
            -- We're being called via #invoke. If the invoking template passed any args, use
            -- them. Otherwise, use the args that were passed into the template.
            args = frame:getParent().args;
            for k, v in pairs(frame.args) do
                args = frame.args;
                break
            end
        else
            -- We're being called from another module or from the debug console, so assume
            -- the args are passed in directly.
            args = frame;
        end
        
        for k,v in pairs(args) do
            retvals[k] = v
        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
    
    return p