# Module:File link

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-- 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( "خطای نوع در پارامتر «%s» از «_main» (رشته انتظار می‌رفت، %s دریافت شد)", 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] = 'پرونده:' .. 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 = 'الگو:File link' }) if not origArgs.file then error("پارامتر «file» از الگو:File link حذف شده‌است", 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 . if v == '_BLANK' then v = end args[k] = v end return p._main(args) end

return p

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