Module:PageSummary：修订间差异

第1行：

local p = {}

-- ~~辅助函数：安全清理标签~~

-- 核心逻辑：使用简单的索引查找替代昂贵的正则表达式

~~local function safeStrip(text)~~

~~if not text then return "" end~~

~~text = string.gsub(text, "<ref.-</ref>", "")~~

~~text = string.gsub(text, "<ref.->", "")~~

~~text = string.gsub(text, "<!%-%-.-%-%->", "")~~

~~-- 彻底剥离带长描述的图片链接（处理嵌套 [[ ]]）~~

~~local prefixes = {"[[File:", "[[Image:", "[[文件:", "[[图像:", "[[file:", "[[image:"}~~

~~for _, pre in ipairs(prefixes) do~~

~~while string.find(text, pre, 1, true) do~~

~~local s = string.find(text, pre, 1, true)~~

~~local count, e = 0, nil~~

~~for j = s, mw.ustring.len(text) do~~

~~local c2 = mw.ustring.sub(text, j, j+1)~~

~~if c2 == "[[" then count = count + 1~~

~~elseif c2 == "]]" then~~

~~count = count - 1~~

~~if count == 0 then e = j + 1 break end~~

~~end~~

~~if e then text = mw.ustring.sub(text, 1, s - 1) .. mw.ustring.sub(text, e + 1)~~

~~else text = mw.ustring.sub(text, 1, s - 1) .. mw.ustring.sub(text, s + 2) end~~

~~end~~

~~-- 移除模板（限制5层嵌套，防止CPU跑满）~~

~~for i = 1, 5 do~~

~~local nt = string.gsub(text, "{{[^{}]+}}", "")~~

~~if nt == text then break end~~

~~text = nt~~

~~end~~

~~text = string.gsub(text, "\n==+.-==+", " ") -- 删标题符~~

~~text = string.gsub(text, "\n%s*[*#:]+", " ") -- 删列表符~~

~~text = string.gsub(text, "&[Nn][Bb][Ss][Pp];", " ")~~

~~text = string.gsub(text, "\n", " ")~~

~~text = string.gsub(text, "%s+", " ")~~

~~return mw.text.trim(text)~~

~~end~~

function p.getSummaryAndImage(frame)

local pageName = frame.args[1] or ""

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local content = title:getContent()

~~local rawExcerpt = mw.ustring.sub(~~content~~, 1, 500)~~

if not content then return "" end

-- ~~提取第一张图~~

-- 1. 预切割：只拿最前面的 400 字符，从源头掐断计算量

local ~~firstImage~~ = ~~string~~.~~match(rawExcerpt, "%[%[([Ff]ile:~~.~~-)[|%]]") or~~

local raw = mw.ustring.sub(content, 1, 400)

~~string.match~~(~~rawExcerpt~~, ~~"%[%[([Ii]mage:.-)[|%]]") or~~

~~string.match(rawExcerpt~~, ~~"%[%[(文件:.-)[|%]]"~~)

local ~~cleanText~~ = ~~safeStrip~~(~~rawExcerpt~~)

-- 2. 提取图片 (仅提取文件名，不涉及复杂解析)

local firstImage = string.match(raw, "%[%[[Ff]ile:([^|%]%s]+)") or

string.match(raw, "%[%[文件:([^|%]%s]+)")

-- ~~150字截断并处理链接残符~~

-- 3. 极速清理：只做简单的字符替换，不做嵌套识别

local ~~targetLen~~ = ~~150~~

-- 移除引用、注释、标题符、列表符

~~local summary~~ = mw.~~ustring~~.~~sub~~(~~cleanText~~, 1, ~~targetLen~~)

local clean = raw

~~while mw~~.~~ustring~~.~~sub~~(~~summary~~, -1) == "[" ~~do summary~~ = mw.~~ustring~~.~~sub~~(~~summary~~, 1, -2) ~~end~~

clean = string.gsub(clean, "<ref.-</ref>", "")

clean = string.gsub(clean, "<ref.->", "")

clean = string.gsub(clean, "<!%-%-.-%-%->", "")

clean = string.gsub(clean, "\n==+.-==+", " ")

clean = string.gsub(clean, "\n%s*[*#:]+", " ")

-- 移除图片和模板（不递归，直接找第一个闭合括号就切断）

-- 这种处理方式虽然可能留下残余的“}}”或“]]”，但绝对保护 CPU

clean = string.gsub(clean, "%[%[[^%]%[]+%]%]", "")

clean = string.gsub(clean, "{{[^{}]+}}", "")

-- 清理换行和空格

clean = string.gsub(clean, "\n", " ")

clean = string.gsub(clean, "%s+", " ")

clean = mw.text.trim(clean)

~~local _, opens = string~~.~~gsub(summary, "%[%[", "")~~

-- 4. 强制截断 150 字

local ~~_, closes = string.gsub(~~summary~~, "%]%]", "")~~

local summary = mw.ustring.sub(clean, 1, 150)

~~if opens > closes then~~

~~local rest~~ = mw.ustring.sub(~~cleanText, targetLen + 1, targetLen + 100)~~

~~local endLink = string.find(rest, "]]"~~, 1, ~~true~~)

~~if endLink then summary = summary .. string.sub(rest, 1, endLink + 1)~~

~~else local lastOpen = string.find(summary:reverse(), "%[%[")~~

~~if lastOpen then summary = string.sub(summary, 1, #summary - lastOpen - 1) end~~

~~end~~

summary = mw.~~text.trim~~(summary)

-- 最后的安全阀：清理末尾残留的括号碎片

if mw.ustring.len(~~cleanText~~) > ~~targetLen~~ then summary = summary .. "..." end

summary = string.gsub(summary, "[%[%]{}<>]+$", "")

if mw.ustring.len(clean) > 150 then summary = summary .. "..." end

-- 渲染

-- 5. 渲染

local container = mw.html.create('div'):css({['margin-bottom']='~~25px~~', ['display']='flow-root'})

local container = mw.html.create('div'):css({['margin-bottom']='20px', ['display']='flow-root'})

if firstImage then

container:wikitext('[[' .. firstImage .. '|~~150px~~|right|link=' .. pageName .. ']]')

container:wikitext('[[' .. firstImage .. '|130px|right|link=' .. pageName .. ']]')

end

container:tag('div')

:css({['font-size']='1.~~3em~~', ['font-weight']='bold', ['margin-bottom']='~~6px~~'})

:css({['font-size']='1.2em', ['font-weight']='bold', ['margin-bottom']='4px'})

:wikitext('[[' .. pageName .. ']]')

container:tag('div')

:css({['line-height']='1.6', ['color']='#~~202122~~', ['font-size']='~~0.95em~~'})

:css({['line-height']='1.5', ['color']='#333', ['font-size']='14px'})

:wikitext(summary)