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text" href="https://zh.wikipedia.org/w/index.php?title=Module:TemplateVariadicArgumentSingle/testcases&action=edit&preload=Template%3ADocumentation%2Fpreload-module-testcases">创建</a>)页面进行实验。 请在<a href="/w/index.php?title=Module:TemplateVariadicArgumentSingle/doc&action=edit&redlink=1" class="new" title="Module:TemplateVariadicArgumentSingle/doc（页面不存在）">/doc</a>子页面中添加分类。 <a href="/wiki/Special:%E5%89%8D%E7%BC%80%E7%B4%A2%E5%BC%95/Module:TemplateVariadicArgumentSingle/" title="Special:前缀索引/Module:TemplateVariadicArgumentSingle/">本模块的子页面</a>。</div></div><div class="mw-highlight mw-highlight-lang-lua mw-content-ltr mw-highlight-lines" dir="ltr"><pre><a href="#L-1"></a>local p = {} <a href="#L-2"></a>local lib_arg = {} <a href="#L-3"></a>--檢查指定物件是否存在此參數 <a href="#L-4"></a>local function checkParaExist(obj, para_list) <a href="#L-5"></a> local result = false --先假定參數不存在 <a href="#L-6"></a> --讀取待檢查之參數列表中欲檢查的所有參數名稱 <a href="#L-7"></a> for _, target_par_name in ipairs(para_list) do <a href="#L-8"></a> --物件存在該參數，紀錄該物件中有存在待搜尋的參數 <a href="#L-9"></a> result = result or (type(obj[target_par_name]) ~= type(nil)) <a href="#L-10"></a> end <a href="#L-11"></a> --返回最終判斷有沒有參數的那個結果 <a href="#L-12"></a> return result <a href="#L-13"></a>end <a href="#L-14"></a> <a href="#L-15"></a>--建構不定參數模板的語法 <a href="#L-16"></a>function p.build_template(frame) <a href="#L-17"></a> local args, working_frame <a href="#L-18"></a> local inner_args <a href="#L-19"></a> --參數和frame的前處理 <a href="#L-20"></a> if frame == mw.getCurrentFrame() then <a href="#L-21"></a> -- We're being called via #invoke. The args are passed through to the module <a href="#L-22"></a> -- from the template page, so use the args that were passed into the template. <a href="#L-23"></a> if lib_arg.getArgs == nil then lib_arg = require('Module:Arguments') end <a href="#L-24"></a> args = lib_arg.getArgs(frame, {parentFirst=true}) <a href="#L-25"></a> inner_args = frame.args <a href="#L-26"></a> working_frame = frame <a href="#L-27"></a> else <a href="#L-28"></a> -- We're being called from another module or from the debug console, so assume <a href="#L-29"></a> -- the args are passed in directly. <a href="#L-30"></a> args = frame <a href="#L-31"></a> working_frame = mw.getCurrentFrame() <a href="#L-32"></a> if type(args) ~= type({}) then args = {frame} end <a href="#L-33"></a> inner_args = args <a href="#L-34"></a> end <a href="#L-35"></a> local empty_string = "" --空字串 <a href="#L-36"></a> local parent_arg_sym = "@" --"@"是父參數計數 <a href="#L-37"></a> local current_arg_sym = "$" --"$"是不定參數計數 <a href="#L-38"></a> local can_add_variadic_arg = true <a href="#L-39"></a> local module_warn = "Module:TemplateVariadicArgumentSingle警告：" <a href="#L-40"></a> --目前本模組是通用版，不限定於Template:US_county_navigation_box的使用 <a href="#L-41"></a> --但預設值暫且設定為 Template:US_county_navigation_box <a href="#L-42"></a> local core_template_name = inner_args._core_template or "Template:US_county_navigation_box/core" <a href="#L-43"></a> local core_insert_point = inner_args._core_insert_point or "__LUA_INSERT_CORE__" <a href="#L-44"></a> local parent_start = tonumber(inner_args._parent_start or "1") or 1 <a href="#L-45"></a> local core_insert_code = inner_args._core_insert_code or "\n\n" .. <a href="#L-46"></a> "|group"..parent_arg_sym.." = {{{title"..current_arg_sym.."|}}}\n".. --Template:US_county_navigation_box的不定參數語法 <a href="#L-47"></a> "|list"..parent_arg_sym.." = {{#if:{{{body"..current_arg_sym.."|}}}|<div>\n".. <a href="#L-48"></a> "{{{body"..current_arg_sym.."}}}\n".. <a href="#L-49"></a> "</div>}}" <a href="#L-50"></a> core_insert_code = mw.text.decode(mw.text.unstripNoWiki(core_insert_code)) <a href="#L-51"></a> --讀取所要搜索的不定參數 <a href="#L-52"></a> local core_args_input, core_args = (mw.text.split(inner_args._core_args or "body,title",",") or {inner_args._core_args}), {} <a href="#L-53"></a> for key, value in ipairs(core_args_input) do --掃描所有待檢查的不定參數 <a href="#L-54"></a> local trimed_value = mw.text.trim(value) --參數名稱不該有頭尾空格 <a href="#L-55"></a> --忽略參數名稱空白的參數 <a href="#L-56"></a> if trimed_value ~= empty_string then <a href="#L-57"></a> local arg_value = mw.ustring.lower(trimed_value) --統一以小寫檢查不定參數 <a href="#L-58"></a> core_args[#core_args + 1] = arg_value --記載進待檢查的不定參數表 <a href="#L-59"></a> --處理含底線的參數 <a href="#L-60"></a> underline, underline_count = mw.ustring.gsub(arg_value, '_', ' ') <a href="#L-61"></a> if underline_count > 0 and underline ~= arg_value then --如果有含底線的參數 <a href="#L-62"></a> core_args[#core_args + 1] = underline --同樣記載進待檢查的不定參數表 <a href="#L-63"></a> end <a href="#L-64"></a> end <a href="#L-65"></a> end <a href="#L-66"></a> if #core_args < 1 then --找無可用參數 <a href="#L-67"></a> mw.addWarning(module_warn..'在模板 "'..core_template_name..'" 中未提供可供使用的不定參數') <a href="#L-68"></a> can_add_variadic_arg = false <a href="#L-69"></a> end <a href="#L-70"></a> local template_obj = mw.title.new( core_template_name ) --載入模板樣板 <a href="#L-71"></a> if not template_obj then --如模板樣板載入失敗，返回空 <a href="#L-72"></a> mw.addWarning(module_warn..'模板 "'..core_template_name..'" 載入失敗') <a href="#L-73"></a> return empty_string <a href="#L-74"></a> end <a href="#L-75"></a> local template_body = template_obj:getContent() --讀取模板樣板 <a href="#L-76"></a> if mw.text.trim(template_body or empty_string) == empty_string then --如果讀取不到模板樣板，返回空 <a href="#L-77"></a> mw.addWarning(module_warn..'模板 "'..core_template_name..'" 沒有內容') <a href="#L-78"></a> return empty_string <a href="#L-79"></a> end <a href="#L-80"></a> if mw.text.trim(core_insert_point) == empty_string then <a href="#L-81"></a> mw.addWarning(module_warn..'不定參數插入點不能為空') <a href="#L-82"></a> can_add_variadic_arg = false <a href="#L-83"></a> end <a href="#L-84"></a> --關於noinclude、includeonly和onlyinclude的regexp <a href="#L-85"></a> local re_noinclude_head = "<%s*[Nn][Oo][Ii][Nn][Cc][Ll][Uu][Dd][Ee]%s*>" <a href="#L-86"></a> local re_noinclude_tail = "<%s*/%s*[Nn][Oo][Ii][Nn][Cc][Ll][Uu][Dd][Ee]%s*>" <a href="#L-87"></a> local re_noinclude = "<%s*/?%s*[Nn][Oo][Ii][Nn][Cc][Ll][Uu][Dd][Ee]%s*/?%s*>" <a href="#L-88"></a> local re_includeonly = "<%s*/?%s*[Ii][Nn][Cc][Ll][Uu][Dd][Ee][Oo][Nn][Ll][Yy]%s*/?%s*>" <a href="#L-89"></a> local re_onlyinclude = "<%s*/?%s*[Oo][Nn][Ll][Yy][Ii][Nn][Cc][Ll][Uu][Dd][Ee]%s*/?%s*>" <a href="#L-90"></a> local re_removes = {{"noinclude",re_noinclude}, {"includeonly",re_includeonly}, {"onlyinclude",re_onlyinclude}} <a href="#L-91"></a> --摘除模板樣板中的noinclude與當中的內容 <a href="#L-92"></a> local noinclude = mw.ustring.find(template_body, re_noinclude_head) <a href="#L-93"></a> local _i = 1 <a href="#L-94"></a> while noinclude do --如果找到<noinclude> <a href="#L-95"></a> --尋找</noinclude> <a href="#L-96"></a> local _, noinclude_end = mw.ustring.find(template_body, re_noinclude_tail) <a href="#L-97"></a> --如無</noinclude>，視為noinclude到頁面結尾 <a href="#L-98"></a> noinclude_end = noinclude_end or -1 <a href="#L-99"></a> --去除掉<noinclude>...</noinclude>與其之間的內容 <a href="#L-100"></a> template_body = mw.ustring.sub(template_body, 1, noinclude-1) .. ((noinclude_end < 0) and empty_string or mw.ustring.sub(template_body, noinclude_end + 1, -1)) <a href="#L-101"></a> --尋找下一個<noinclude> <a href="#L-102"></a> noinclude = mw.ustring.find(template_body, re_noinclude_head) <a href="#L-103"></a> _i = _i + 1 --避免無窮迴圈 <a href="#L-104"></a> if _i > 100 then mw.addWarning(module_warn..'<noinclude>過多') break end <a href="#L-105"></a> end --<noinclude></noinclude>內容移除完畢 <a href="#L-106"></a> --移除其他會影響解析功能的標籤 <a href="#L-107"></a> for _, to_remove in pairs(re_removes) do _i = 1 <a href="#L-108"></a> --處理巢狀引用 <a href="#L-109"></a> local remove_count = 1 --紀錄移除數量 <a href="#L-110"></a> while (tonumber(remove_count) or 0) > 0 do --如果還有殘留的相關標籤 <a href="#L-111"></a> --移除殘留的相關標籤，並記錄移除數量 <a href="#L-112"></a> template_body, remove_count = mw.ustring.gsub(template_body, to_remove[2], empty_string) <a href="#L-113"></a> _i = _i + 1 --避免無窮迴圈 <a href="#L-114"></a> if _i > 100 then mw.addWarning(module_warn..'<'..to_remove[1]..'>過多') break end <a href="#L-115"></a> end --如果沒有殘留的相關標籤則結束迴圈 <a href="#L-116"></a> end <a href="#L-117"></a> local body = empty_string --用於儲存生成的不定參數語法 <a href="#L-118"></a> if not mw.ustring.find(template_body, core_insert_point) --如果找無不定參數插入點 <a href="#L-119"></a> or not can_add_variadic_arg then --或者無法找到待搜索的不定參數 <a href="#L-120"></a> body = template_body --不做處理 <a href="#L-121"></a> if not mw.ustring.find(template_body, core_insert_point) then <a href="#L-122"></a> mw.addWarning(module_warn..'在模板 "'..core_template_name..'" 中找不到不定參數的插入點') <a href="#L-123"></a> end <a href="#L-124"></a> else --如果有找到不定參數插入點 <a href="#L-125"></a> local row_list = {} --用於儲存有多少組不定參數 <a href="#L-126"></a> for key, value in pairs(args) do --查閱所有已輸入參數 <a href="#L-127"></a> local par_name_id, _ = mw.ustring.find(key,"[%+%-]?%d+%.?%d-$") --參數字尾是否存在數字 <a href="#L-128"></a> local par_name = par_name_id and mw.ustring.sub(key, 1, par_name_id - 1) or nil --取得參數名稱 <a href="#L-129"></a> local par_id = par_name_id and mw.ustring.sub(key, par_name_id, -1) or nil --取得參數數字字串 <a href="#L-130"></a> local par_num = tonumber(par_id) --將參數數字轉換成數字 <a href="#L-131"></a> if par_name and par_id then --如果參數名稱和參數數字都存在，才嘗試匹配參數 <a href="#L-132"></a> local par_name_check = mw.ustring.lower(par_name) --統一以小寫匹配 <a href="#L-133"></a> for __, target_par_name in ipairs(core_args) do <a href="#L-134"></a> if par_name_check == target_par_name then --匹配到參數 <a href="#L-135"></a> if type(row_list[par_num]) == type(nil) then row_list[par_num] = {}end --新的一組不定參數 <a href="#L-136"></a> row_list[par_num][target_par_name] = value --存入參數 <a href="#L-137"></a> end <a href="#L-138"></a> end <a href="#L-139"></a> end <a href="#L-140"></a> end <a href="#L-141"></a> --將讀到的不定參數照數字由小到大順序輸出 <a href="#L-142"></a> local row_keys = {} --用於儲存有多少組不定參數的「數字id」 <a href="#L-143"></a> for key, _ in pairs(row_list) do row_keys[#row_keys + 1] = key end --記錄所有不定參數的「數字id」 <a href="#L-144"></a> table.sort(row_keys) --排序所有不定參數的「數字id」 <a href="#L-145"></a> local body = empty_string --準備生成不定參數語法 <a href="#L-146"></a> local j = parent_start --父參數獨立計數 <a href="#L-147"></a> for _i = 1, #row_keys do --將所有不定參數組跑一遍 <a href="#L-148"></a> local i = row_keys[_i] --從排序好的「數字id表」取出不定參數的id <a href="#L-149"></a> local para_obj = row_list[i] --取得當前參數組物件 <a href="#L-150"></a> if para_obj then --如果是有效的不定參數組 <a href="#L-151"></a> if checkParaExist(para_obj, core_args) then --如果該不定參數組有輸入其一參數 <a href="#L-152"></a> --生成這組參數的對應語法 <a href="#L-153"></a> body = body .. mw.ustring.sub(mw.ustring.gsub(' '..core_insert_code..' ', <a href="#L-154"></a> "([%"..current_arg_sym.."%"..parent_arg_sym.."])(.)", function(sym,txt) <a href="#L-155"></a> if sym == parent_arg_sym then --父參數計數 <a href="#L-156"></a> if txt ~= parent_arg_sym then return j .. txt --父參數計數的數量 <a href="#L-157"></a> elseif txt == parent_arg_sym then return parent_arg_sym --跳脫的符號 <a href="#L-158"></a> end <a href="#L-159"></a> elseif sym == current_arg_sym then --主參數計數 <a href="#L-160"></a> if txt ~= current_arg_sym then return i .. txt --主參數計數的數量 <a href="#L-161"></a> elseif txt == current_arg_sym then return current_arg_sym --跳脫的符號 <a href="#L-162"></a> end <a href="#L-163"></a> end <a href="#L-164"></a> return sym..txt --其餘情況原封不動輸出 <a href="#L-165"></a> end),2,-2) <a href="#L-166"></a> end <a href="#L-167"></a> j = j + 1 --父參數獨立計數 <a href="#L-168"></a> end <a href="#L-169"></a> end --不定參數語法生成完畢。 <a href="#L-170"></a> --尋找模板樣板中的不定參數組的插入點，並插入不定參數語法 <a href="#L-171"></a> template_body = mw.ustring.gsub(template_body, core_insert_point, body) <a href="#L-172"></a> end <a href="#L-173"></a> --解析要使用外層解析器 (才讀得到那些不定參數，內層是{{#invoke:}}) <a href="#L-174"></a> working_frame = working_frame:getParent() or working_frame <a href="#L-175"></a> --將包含了不定參數的模板展開 <a href="#L-176"></a> template_body = working_frame:preprocess(template_body) <a href="#L-177"></a> return template_body --回傳展開了不定參數的模板結果 <a href="#L-178"></a>end <a href="#L-179"></a> <a href="#L-180"></a>return p </pre></div>   </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?useformat=desktop&type=1x1&usesul3=0" alt="" width="1" height="1" style="border: none; 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