Module:File link: Difference between revisions

Content deleted Content added
allow specifying height and width values as strings ending in px
m Undid revision 611451330 by Mr. Stradivarius (talk) whoops, that edit was supposed to be to the sandbox...
Line 5:
 
local fileLink = {}
 
local function checkTypeStringOrNum(funcName, pos, arg)
local argType = type(arg)
if argType ~= 'nil' and argType ~= 'string' and argType ~= 'number' then
error(string.format(
"bad argument #%d to '%s' (string or number expected, got %s)",
pos,
funcName,
argType
), 3)
end
end
 
function fileLink.new(filename)
Line 64 ⟶ 52:
end
 
local function validateSizesizeError(method, pxmethodName)
-- Validate inputUsed for formatting duplication errors in size-related functionsmethods. The px type is checked
error(string.format(
-- using checkTypeStringOrNum, so will be a string, a number, or nil.
"duplicate size argument detected in '%s' ('upright' cannot be"
if px and data.isUpright then
.. " ('upright' cannot be used in conjunction with height or width)'",
error(string.format(
methodName
"duplicate size argument detected in '%s' ('upright' cannot be"
), 3)
.. ' used in conjunction with height or width)',
method
), 3)
end
if type(px) == 'string' then
local origPx = px
px = px:match('^(%d+)px$') or px
px = tonumber(px)
if not px then
error(string.format(
"invalid string '%s' passed to '%s'",
origPx,
method
), 3)
end
end
-- px is now a number or nil.
if px and px < 1 or math.floor(px) ~= px then
error(string.format(
"invalid image size specified in '%s' (size must be a positive"
.. 'integer)',
method
), 3)
end
return px
end
function data:width(px)
checkSelf(self, 'width')
checkTypeStringOrNumcheckType('fileLink:width', 1, px, 'number', true)
if px and data.isUpright then
px = validateSize sizeError('fileLink:width', px)
end
data.theWidth = px
return self
Line 107 ⟶ 73:
function data:height(px)
checkSelf(self, 'height')
checkTypeStringOrNumcheckType('fileLink:height', 1, px, 'number', true)
if px and data.isUpright then
px = validateSize sizeError('fileLink:height', px)
end
data.theHeight = px
return self
Line 217 ⟶ 185:
data.theLang = s
return self
end
 
local function checkTypeStringOrNum(funcName, pos, arg)
local argType = type(arg)
if argType ~= 'nil' and argType ~= 'string' and argType ~= 'number' then
error(string.format(
"bad argument #%d to '%s' (string or number expected, got %s)",
pos,
funcName,
argType
), 3)
end
end