Модуль:Template call code/песочница

---

local getArgs = require('Module:Arguments').getArgs
local ru = mw.language.new('ru')

local p = {}

-- Используется для того, чтобы можно было удалять элементы из таблицы
local function copy(other)
	local res = {}
	for k, v in pairs(other) do
		res[k] = v
	end
	return res
end

local function makeInvokeFunc(funcName, flags)
	return function (frame)
		local args = copy(getArgs(frame, {
			trim = false,
			removeBlanks = false
		}))
		return p[funcName](args, flags)
	end
end

--предотвращает обработку вики-текста в отображении образца
local function processText(str, nowiki)
	local res = str
	if nowiki then
		str = mw.text.unstripNoWiki(str)
		str = string.gsub(str, '%[', '[')
		str = string.gsub(str, '%]', ']')
		str = string.gsub(str, '<', '&lt;')
		str = string.gsub(str, '>', '&gt;')
		str = string.gsub(str, '{', '&#123;')
		str = string.gsub(str, '|', '&#124;')
		str = string.gsub(str, '}', '&#125;')
		str = string.gsub(str, '\'', '&#39;')
		str = string.gsub(str, '"', '&quot;')
		str = string.gsub(str, '(://)', '<span>%1</span>')
	end
	return str
end

local function addParams(args, params)
	local text, equals_pos, param, value = '', 0, '', ''
	
	local function addPipe()
		if params.spaced then
			text = text .. ' '
		end
		text = text .. '<span'
		if not params.black then
			text = text .. ' class="wp-templatelink"'
		end
		if not params.spaced then
			text = text .. ' style="margin:0 2px;"'
		end
		text = text .. '>&#124;</span>'
	end
	
	for k, v in pairs(args) do
		if type(k) == 'number' then  -- Неименованные параметры
			if k >= params.from then
				equals_pos = v:find('=')
				if equals_pos and v:find('{{=}}') == equals_pos - 2 then
					equals_pos = nil
				end
				if equals_pos then  -- Содержащие «=» преобразуем в именованные
					param = v:sub(1, equals_pos - 1)
					value = v:sub(equals_pos + 1)
					addPipe()
					text = text .. processText(param, params.nowiki) .. '=' .. processText(value, params.nowiki)
				else  -- Истинно неименованные
					addPipe()
					text = text .. processText(v, params.nowiki)
				end
			end
		elseif not k:find('^_') then  -- Именованные параметры, исключая модификаторы внешнего вида
			addPipe()
			text = text .. processText(k, params.nowiki) .. '=' .. processText(v, params.nowiki)
		end
	end
	
	return text
end

function p._main(args, flags)
	local name = args[1]
	table.remove(args, 1)
	
	-- Вещи типа «=» в первом параметре
	if not name then
		for k, v in pairs(args) do
			if not k:find('^_') then
				name = k .. '=' .. v
				args[k] = nil
				break
			end
		end
	end
	
	local optpText
	if not flags.withoutParams then
		if name then
			local spanOffset = mw.ustring.find(name, '<span')  -- След использования шаблона optp
			if spanOffset then
				optpText = mw.ustring.sub(name, spanOffset)
				name = mw.ustring.sub(name, 1, spanOffset - 1)
			end
		end
	end
	
	local yesno = require('Module:Yesno')
	
	local nolink, subst, podst, global, nav, noRedirect, ucFirst, black, nobr
	local tag, style, comment, lang, sister, global, textInPlaceOfName, 
		namePrefix, prefix, postfix, nowiki
	local spaced, from
	
	if flags.withoutParams then
		for i, v in ipairs(args) do
			if v == 'nl' or v == 'nolink' then
				noLink = true
			elseif v == 's' then
				subst = true
			elseif v == 'п' then
				podst = true
			elseif v == 'g' then
				global = true
			elseif v == 'nav' then
				nav = true
			elseif v == 'noredir' then
				noRedirect = true
			elseif v == 'u' then
				ucFirst = true
			elseif v == 'b' then
				black = true
			elseif v == 'nobr' then
				nobr = true
			end
		end

		tag = args.tag or 'span'
		style = args.style
		comment = args.comment
		lang = args.lang
		sister = args.sister
		textInPlaceOfName = args.text
		namePrefix = args.nameprefix
		prefix = args.prefix
		postfix = args.postfix
		nowiki = args.nowiki
	else
		noLink = yesno(args._nolink or args._nl, false) or not yesno(args._link, false)
		subst = yesno(args._s, false)
		podst = yesno(args['_п'], false)
		global = yesno(args._g, false)
		nav = yesno(args._nav, false)
		noRedirect = yesno(args._noredir, false)
		ucFirst = yesno(args._u, false)
		black = yesno(args._b, false)
		nobr = yesno(args._nobr, false)
		
		tag = args._tag or 'span'
		style = args._style
		comment = args._comment
		lang = args._lang
		sister = args._sister
		textInPlaceOfName = args._text
		namePrefix = args._nameprefix
		prefix = args._prefix
		postfix = args._postfix
		nowiki = args._nowiki
		
		spaced = yesno(args._spaced, false)
		from = (tonumber(args._from) or 2) - 1

	end
	
	global = global or name and mw.ustring.sub(name, 1, 1) == ':'
	black = black or tag ~= 'span'
	
	if textInPlaceOfName == '' then
		textInPlaceOfName = nil
	end
	if comment == '' then
		comment = nil
	end
	if lang == '' then
		lang = nil
	end
	if sister == '' then
		sister = nil
	end
	if namePrefix == '' then
		namePrefix = nil
	end
	
	if name then
		local trimmedName = mw.text.trim(name)
		if ru:lc(mw.ustring.sub(trimmedName, 1, 6)) == 'subst:' then
			subst = true
			name = mw.ustring.sub(trimmedName, 7)
		end
		if ru:lc(mw.ustring.sub(trimmedName, 1, 6)) == 'подст:' then
			podst = true
			name = mw.ustring.sub(trimmedName, 7)
		end
	end
	
	if subst then
		namePrefix = 'subst:'
	elseif podst then
		namePrefix = 'подст:'
	end
	
	local currentTitle = mw.title.getCurrentTitle()
	-- При опущенном первом параметре берём имя шаблона из названия страницы
	if name == '' or not name then
		local currentTitleRoot = currentTitle.rootText
		if not ucFirst and
			((ru:uc(currentTitleRoot) ~= currentTitleRoot and
				-- Книга:Литературное наследство, TranslateDate
				not mw.ustring.match(currentTitleRoot, '^[А-Яа-яA-Za-z]+:?[А-ЯA-Z]')
			) or
				#currentTitleRoot == 1
			)
		then
			name = ru:lcfirst(currentTitleRoot)
		else
			name = currentTitleRoot
		end
	end
	
	-- Начинаем собирать код
	local linkBody, titleObject, linkBegin, linkDivider, linkEnd
	
	local prefixes = {}
	if lang then
		table.insert(prefixes, lang)
	end
	if sister then
		table.insert(prefixes, sister)
	end
	linkBody = table.concat(prefixes, ':')
	
	if #linkBody ~= 0 then
		linkBody = ':' .. linkBody
	end
	if mw.ustring.sub(name, 1, 1) ~= ':' then
		linkBody = linkBody .. ':'
	end
	if not global then
		linkBody = linkBody .. 'Template:'
	end
	linkBody = linkBody .. name
	titleObject = mw.title.new(linkBody)
	
	local noLink = noLink or currentTitle == titleObject
	local takeBracketsInLink = not noLink and
		mw.ustring.len(name) == 1 and
		not black and
		not namePrefix
	
	if not noLink then
		if not noRedirect or (
			noRedirect and
			not lang and
			not sister and
			not titleObject.exists
		) then
			linkBegin = '[['
			linkEnd = ']]'
			linkDivider = '|'
		else
			linkBegin = '['
			linkEnd = ']'
			linkDivider = ' '
			linkBody = titleObject:fullUrl('redirect=no')
		end
	end
	
	local text = ''
	if tag then
		text = text .. '<' .. tag .. ' class="templateCallCode'
		if nobr then
			text = text .. ' nowrap'
		end
		text = text .. '"'
		if style then
			text = text .. ' style="' .. style .. '"'
		end
		text = text .. '>'
	end
	if prefix then
		text = text .. processText(prefix, nowiki)
	end
	
	if not black then
		text = text .. '<span class="wp-templatelink">'
	end
	text = text .. '{'
	if not takeBracketsInLink then
		text = text .. '{'
	end
	if namePrefix then
		text = text .. namePrefix
	end
	if not black then
		text = text .. '</span>'
	end
	
	if nav and currentTitle == titleObject then
		text = text .. '\'\'\''
	end
	
	text = text .. '<span data-navboxnavigation-link="0">'
	
	local commentedLabel
	if comment then
		-- https://phabricator.wikimedia.org/T200704
		-- commentedLabel = mw.getCurrentFrame():expandTemplate({title = 'comment', args = {(textInPlaceOfName or name), comment}})
		commentedLabel = '<span class="commentedText" title="' .. comment .. '" style="border-bottom: 1px dotted; cursor: help;">' ..
			(textInPlaceOfName or name) ..
			'</span>'
	end
	local label = (commentedLabel or textInPlaceOfName or name)
	if not noLink then
		if noRedirect then
			text = text .. '<span class="plainlinks">'
		end
		text = text .. linkBegin .. linkBody .. linkDivider
		if not noLink and takeBracketsInLink then
			text = text .. '<span class="wp-templatelink">{</span>'
		end
		text = text .. label
		if not noLink and takeBracketsInLink then
			text = text .. '<span class="wp-templatelink">}</span>'
		end
		text = text .. linkEnd
		if noRedirect then
			text = text .. '</span>'
		end
	else
		text = text .. label
	end
	
	text = text .. '</span>'
	
	if nav and currentTitle == titleObject then
		text = text .. '\'\'\''
	end
	
	if not flags.withoutParams then
		if optpText then
			text = text .. optpText
		end
		
		text = text .. addParams(args, {
			spaced = spaced,
			black = black,
			nowiki = nowiki,
			from = from
		})
		
		if spaced then
			text = text .. ' '
		end
	end
	
	if not black then
		text = text .. '<span class="wp-templatelink">'
	end
	text = text .. '}'
	if not takeBracketsInLink then
		text = text .. '}'
	end
	if not black then
		text = text .. '</span>'
	end
	
	if postfix then
		text = text .. processText(postfix, nowiki)
	end
	if tag then
		text = text .. '</' .. tag .. '>'
	end
	
	return text
end

function p._onlyParams(args)
	local span = mw.html.create('span')
	span:css( 'color', mw.getCurrentFrame():expandTemplate({ title = 'optp/color' }) )
	
	local yesno = require('Module:Yesno')
	
	span:wikitext(addParams(args, {
		spaced = yesno(args._spaced, false),
		black = true,
		nowiki = yesno(args._nowiki, false),
		from = 1
	}))

	return tostring(span)
end

p.withoutParams = makeInvokeFunc('_main', {withoutParams = true})
p.withParams = makeInvokeFunc('_main', {withoutParams = false})
p.onlyParams = makeInvokeFunc('_onlyParams')

return p