Module:File link: Difference between revisions

return self

end

function data:page(num)

checkSelf(self, 'image:page')

checkType('image:page', 1, num, 'number', true)

data.thePage = s

return self

end

function data:class(s)

checkSelf(self, 'image:class')

checkType('image:class', 1, s, 'string', true)

data.theClass = s

return self

end

function data:lang(s)

checkSelf(self, 'image:lang')

checkType('image:lang', 1, s, 'string', true)

data.theLang = s

-- Render named parameters.

-- That includes link, alt, page, class, and lang.

do

local namedParameters = {'link', 'alt', 'page', 'class', 'lang'}

for i, parameter in ipairs(namedParameters) do

local dataField = 'the' .. parameter:sub(1, 1):upper() .. parameter:sub(2, -1)

local value = data[dataField]

if value then

ret[#ret + 1] = parameter .. '=' .. tostring(value)

end

end