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Модул:ExampleList

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Реализация шаблонов {{стопка примеров}} и {{таблица примеров}}, см. их документацию.

См. также[редактиране на кода]


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

-- вызов шаблона, при ошибке возвращает пустую строку
local function expand(frame, tname, targs)
	local success, result = pcall(
		frame.expandTemplate,
		frame,
		{title = tname, args = targs}
	)
	if success then
		return result
	else
		return ''
	end
	--return frame:expandTemplate({title = tname, args = args})
end

function p.main(frame)
	if not getArgs then
		getArgs = require('Module:Arguments').getArgs
	end
	yesno = require('Module:Yesno')
	local trim = not (yesno(frame:getParent().args.trim or frame:getParent().args._trim, false) == false)  -- по умолчанию true
	local args = copy(getArgs(frame, {trim = trim, removeBlanks = false}))  -- copy(frame.args)
	local tname = args.t or args._t or args.template or args._template
	local opener = args.opener or args._opener
	local sep = args.sep or args._sep
	local prefix = args.prefix or args._prefix
	local postfix = args.postfix or args._postfix
	local style = args.style or args._style
	local nobr = args.nobr or args._nobr
	local nocat = args.nocat or args._nocat
	local spaced = args.spaced or args._spaced
	local comment_sep = args.comment_sep or args._comment_sep
	local between = args.between or args._between
	local inthemiddle = yesno(args.inthemiddle or args._inthemiddle, false)
	local wide = yesno(args.wide or args._wide, false)
	if not opener then
		if style == 'wikitable' then
			opener = '|-\n| '
		elseif style == 'pre' or style == '*pre' or style == 'pre↓' or style == '*pre↓' then
			opener = ''
			if between == nil and (style == '*pre' or style == '*pre↓') then
				if mw.isSubsting() then
					between = '{{^|3em}}'
				else
					between = '<div style="margin-top:3em"></div>'
				end
			end
		else
			opener = '* '
		end
	end
	if between == nil and (style == 'pre' or style == '*pre' or style == 'pre↓' or style == '*pre↓') then
		if mw.isSubsting() then
			between = '{{^|2em}}'
		else
			between = '<div style="margin-top:2em"></div>'
		end
	end
	
	if tname == '' or tname == nil then  -- при опущенном первом параметре берём имя шаблона из названия страницы
		local lang = mw.language.new('ru')
		local currentTitle = mw.title.getCurrentTitle().rootText
		if (lang:uc(currentTitle) ~= currentTitle and
			not mw.ustring.match(currentTitle, '[а-я]:[А-Я]')  -- Книга:Литературное наследие
		) or
			#currentTitle == 1
		then
			tname = lang:lcfirst(currentTitle)
		else
			tname = currentTitle
		end
	end
	
	-- Узнаем, заполнено ли где-то поле комментария
	local are_comments = false
	for k, v in pairs(args) do
		local pre_targs = {}
		if type(k) == 'number' then
			if v ~= '' then
				pre_targs = mw.text.split(v, '\\')
				for k2, v2 in pairs(pre_targs) do
					local equals_pos
					if v2:sub(1, 1) == '_' and v2:find('=') then  -- параметры настроек шаблона {{пример}}
						equals_pos = v2:find('=')
					end
					if equals_pos then
						local param = v2:sub(1, equals_pos - 1)
						if param == '_comment' then are_comments = true end
					end
				end
			end
		end
	end
	
	local content, i = '', 0
	for k, v in pairs(args) do
		local pre_targs, targs = {}, {}
		if type(k) == 'number' then
			i = i + 1
			
			if are_comments then
				targs._comment = ''  -- значение по умолчанию
			end
			if v ~= '' then
				pre_targs = mw.text.split(v, '\\')
				for k2, v2 in pairs(pre_targs) do
					local equals_pos
					if v2:sub(1, 1) == '_' and v2:find('=') then  -- параметры настроек шаблона {{пример}}
						equals_pos = v2:find('=')
					end
					if equals_pos then
						local param = v2:sub(1, equals_pos - 1)
						local value = v2:sub(equals_pos + 1)
						targs[param] = value
					else
						if v2:sub(1, 5) == '&#95;' then
							targs[k2] = v2:gsub('&#95;', '_')
						else
							targs[k2] = v2
						end
					end
				end
			end
			
			table.insert(targs, 1, tname)
			targs._sep, targs._style, targs._nobr, targs._nocat, targs._spaced, targs._comment_sep, targs._prefix, targs._postfix
				= sep, style, nobr, nocat, spaced, comment_sep, prefix, postfix
			local adjusted_opener
			if style == 'pre' and opener == '*' and targs._before == nil then
				adjusted_opener = ''
				targs._style = '*pre'
			else
				if style == 'pre' and opener == '*' then
					if mw.isSubsting() then
						targs._before = targs._before .. '{{^|-0.5em}}'
					else
						targs._before = targs._before .. '<div style="margin-top:-0.5em"></div>'
					end
				end
				adjusted_opener = opener == '*' and '* ' or opener
			end
			--[[if not targs._style then
				targs._style = style
			end]]
			
			local exampleCode
			if mw.isSubsting() then
				exampleCode = '{{пример'
				for name, value in pairs(targs) do
					if type(name) == 'number' then
						exampleCode = exampleCode .. '|' .. value
					else
						exampleCode = exampleCode .. '|' .. name .. '=' .. value
					end
				end
				exampleCode = exampleCode .. '}}'
			else
				exampleCode = tostring(expand(frame, 'пример', targs))
			end
			
			content = content .. (i ~= 1 and (between and between .. '\n' or '\n') or '') .. adjusted_opener .. exampleCode
		end
	end
	if style == 'wikitable' then
		local table_content = ''
		if not inthemiddle then
			table_content = '{| class="wikitable '
			if wide then table_content = table_content .. 'wide' end
			table_content = table_content .. '"\n! Код !! Результат'
			if are_comments then table_content = table_content .. ' !! Комментарий' end
		end
		content = table_content .. '\n' .. content
		if not inthemiddle then
			content = content .. '\n|}'
		end
	end
	
	return content
end

return p