Difference between revisions of "Module:Yesno"

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en>Mr. Stradivarius
(use frame.args for testing)
en>Mr. Stradivarius
(fix variable name)
Line 16: Line 16:
     end
     end


     val = args[1]
     val = frame.args[1]


     -- First deal with the case if val is nil, then deal with other cases.
     -- First deal with the case if val is nil, then deal with other cases.

Revision as of 10:12, 28 March 2013

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.args) do
        retvals[k] = v
    end

    val = frame.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