Module:File link - Revision history

Admin: 1 revision imported

2020-11-05T20:13:21Z

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en>Billinghurst: 3 revisions imported from :w:Module:File_link

2020-08-20T11:28:31Z

3 revisions imported from w:Module:File_link

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2020-07-19T11:18:57Z

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2020-07-17T20:30:58Z

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2020-07-15T07:29:42Z

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en>Tegel: Reverted edits by 2402:7500:5DC:43A4:7120:E13F:DCDE:9BE (talk) to last version by 94rain

2020-04-22T10:11:53Z

Reverted edits by 2402:7500:5DC:43A4:7120:E13F:DCDE:9BE (talk) to last version by 94rain

en>MusikAnimal: Undid revision 948472508 by w>IPad365 (talk)

2020-04-01T06:31:54Z

Undid revision 948472508 by [[Special:Contributions/w>IPad365|w>IPad365]] ([[User talk:w>IPad365|talk]])

Admin: 1 revision imported

2020-02-16T07:22:01Z

1 revision imported

en>Koavf: 23 revisions imported from :en:Module:File_link

2019-04-03T15:37:55Z

23 revisions imported from en:Module:File_link

wikipedia>Mr. Stradivarius: when calling this from wikitext use a more readable error message for missing file parameters

2014-12-18T14:05:07Z

when calling this from wikitext use a more readable error message for missing file parameters

New page

-- This module provides a library for formatting file wikilinks.

local yesno = require('Module:Yesno')
local checkType = require('libraryUtil').checkType

local p = {}

function p._main(args)
checkType('_main', 1, args, 'table')

-- This is basically libraryUtil.checkTypeForNamedArg, but we are rolling our
-- own function to get the right error level.
local function checkArg(key, val, level)
if type(val) ~= 'string' then
error(string.format(
"type error in '%s' parameter of '_main' (expected string, got %s)",
key, type(val)
), level)
end
end

local ret = {}

-- Adds a positional parameter to the buffer.
local function addPositional(key)
local val = args[key]
if not val then
return nil
end
checkArg(key, val, 4)
ret[#ret + 1] = val
end

-- Adds a named parameter to the buffer. We assume that the parameter name
-- is the same as the argument key.
local function addNamed(key)
local val = args[key]
if not val then
return nil
end
checkArg(key, val, 4)
ret[#ret + 1] = key .. '=' .. val
end

-- Filename
checkArg('file', args.file, 3)
ret[#ret + 1] = 'File:' .. args.file

-- Format
if args.format then
checkArg('format', args.format)
if args.formatfile then
checkArg('formatfile', args.formatfile)
ret[#ret + 1] = args.format .. '=' .. args.formatfile
else
ret[#ret + 1] = args.format
end
end

-- Border
if yesno(args.border) then
ret[#ret + 1] = 'border'
end

addPositional('location')
addPositional('alignment')
addPositional('size')
addNamed('upright')
addNamed('link')
addNamed('alt')
addNamed('page')
addNamed('class')
addNamed('lang')
addNamed('start')
addNamed('end')
addNamed('thumbtime')
addPositional('caption')

return string.format('[[%s]]', table.concat(ret, '|'))
end

function p.main(frame)
local origArgs = require('Module:Arguments').getArgs(frame, {
wrappers = 'Template:File link'
})
if not origArgs.file then
error("'file' parameter missing from [[Template:File link]]", 0)
end

-- Copy the arguments that were passed to a new table to avoid looking up
-- every possible parameter in the frame object.
local args = {}
for k, v in pairs(origArgs) do
-- Make _BLANK a special argument to add a blank parameter. For use in
-- conditional templates etc. it is useful for blank arguments to be
-- ignored, but we still need a way to specify them so that we can do
-- things like [[File:Example.png|link=]].
if v == '_BLANK' then
v = ''
end
args[k] = v
end
return p._main(args)
end

return p

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