模块:LinkArray

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local p = {}

local function stringToArray(str, sep)
	local arr = {}
	for v in mw.text.gsplit(str, '%s*' .. sep .. '%s*') do
		if v ~= '' then
			table.insert(arr, v)
		end
	end
	if requireSort then
		table.sort(arr)
	end
	return arr
end

local function tableToArray(tbl, requireSort)
	local arr = {}
	for k, v in pairs(tbl) do
		if type(k) == 'number' and v ~= '' then
			arr[k] = v
		end
	end
	if requireSort then
		table.sort(arr)
	end
	return arr
end

function p.main()
	local args = require('Module:ProcessArgs').merge(true)
	return p.linkArray(args)
end
	
function p.linkArray(args)
	local f = mw.getCurrentFrame()
	local prefix = args.prefix or ''
	local suffix = args.suffix or ''
	local namePrefix = args.nameprefix or ''
	local nameSuffix = args.namesuffix or ''
	local delimiter = args.delimiter
	local finalDelimiter = args.finaldelimiter
	local sep = args.sep or ','
	local linkPrefix = args.directlink and '{{Direct link|' or '[['
	local linkSuffix = args.directlink and '}}' or ']]'
	local requireSort = args.sort
	local firstOnly = args.firstonly
	local outputPrefix = args.outputprefix or ''
	local outputSuffix = args.outputsuffix or ''

	local arr = {}
	if args.mode and args.mode ~= 'single' then
		arr = tableToArray(args, requireSort)
	else
		arr = stringToArray(args[1], sep, requireSort)
	end
	
	local tbl = {}
	for k, v in ipairs(arr) do
		if firstOnly and k ~= 1 then
			table.insert(tbl, v)
		else
			table.insert(
				tbl, f:preprocess(
					linkPrefix .. prefix ..
					mw.text.trim(v) .. suffix .. '|' ..
					namePrefix .. mw.text.trim(v) ..
					nameSuffix .. linkSuffix
				)
			)
		end
	end
	
	local result
	if args.pretty then
		result = mw.text.listToText(tbl, delimiter, finalDelimiter)
	else
		result = table.concat(tbl, delimiter)
	end
	
	return outputPrefix .. result .. outputSuffix
end

return p