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Available in 17 languages" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-17" aria-hidden="true" > 17 languages </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D9%88%D8%AD%D8%AF%D8%A9:Wikitext_Parsing" title="وحدة:Wikitext Parsing – Arabic" lang="ar" hreflang="ar" data-title="وحدة:Wikitext Parsing" data-language-autonym="العربية" data-language-local-name="Arabic" class="interlanguage-link-target">العربية</a></li><li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/%D0%9C%D0%BE%D0%B4%D1%83%D0%BB%D1%8C:Wikitext_Parsing" title="Модуль:Wikitext Parsing – Belarusian" lang="be" hreflang="be" data-title="Модуль:Wikitext Parsing" data-language-autonym="Беларуская" data-language-local-name="Belarusian" class="interlanguage-link-target">Беларуская</a></li><li class="interlanguage-link interwiki-ceb mw-list-item"><a href="https://ceb.wikipedia.org/wiki/Module:Wikitext_Parsing" title="Module:Wikitext Parsing – Cebuano" lang="ceb" hreflang="ceb" data-title="Module:Wikitext Parsing" data-language-autonym="Cebuano" data-language-local-name="Cebuano" class="interlanguage-link-target">Cebuano</a></li><li class="interlanguage-link interwiki-ee mw-list-item"><a href="https://ee.wikipedia.org/wiki/Module:Wikitext_Parsing" title="Module:Wikitext Parsing – Ewe" lang="ee" hreflang="ee" data-title="Module:Wikitext Parsing" data-language-autonym="Eʋegbe" data-language-local-name="Ewe" class="interlanguage-link-target">Eʋegbe</a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Modul:Wikitext_Parsing" title="Modul:Wikitext Parsing – Indonesian" lang="id" hreflang="id" data-title="Modul:Wikitext Parsing" data-language-autonym="Bahasa Indonesia" data-language-local-name="Indonesian" class="interlanguage-link-target">Bahasa Indonesia</a></li><li class="interlanguage-link interwiki-ku mw-list-item"><a href="https://ku.wikipedia.org/wiki/Modul:Wikitext_Parsing" title="Modul:Wikitext Parsing – Kurdish" lang="ku" hreflang="ku" data-title="Modul:Wikitext Parsing" data-language-autonym="Kurdî" data-language-local-name="Kurdish" class="interlanguage-link-target">Kurdî</a></li><li class="interlanguage-link interwiki-mk mw-list-item"><a href="https://mk.wikipedia.org/wiki/%D0%9C%D0%BE%D0%B4%D1%83%D0%BB:Wikitext_Parsing" title="Модул:Wikitext Parsing – Macedonian" lang="mk" hreflang="mk" data-title="Модул:Wikitext Parsing" data-language-autonym="Македонски" data-language-local-name="Macedonian" class="interlanguage-link-target">Македонски</a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Modul:Wikitext_Parsing" title="Modul:Wikitext Parsing – Malay" lang="ms" hreflang="ms" data-title="Modul:Wikitext Parsing" data-language-autonym="Bahasa Melayu" data-language-local-name="Malay" class="interlanguage-link-target">Bahasa Melayu</a></li><li class="interlanguage-link interwiki-my mw-list-item"><a href="https://my.wikipedia.org/wiki/%E1%80%99%E1%80%B1%E1%80%AC%E1%80%BA%E1%80%82%E1%80%BB%E1%80%B0%E1%80%B8:Wikitext_Parsing" title="မော်ဂျူး:Wikitext Parsing – Burmese" lang="my" hreflang="my" data-title="မော်ဂျူး:Wikitext Parsing" data-language-autonym="မြန်မာဘာသာ" data-language-local-name="Burmese" class="interlanguage-link-target">မြန်မာဘာသာ</a></li><li class="interlanguage-link interwiki-uz mw-list-item"><a href="https://uz.wikipedia.org/wiki/Modul:Wikitext_Parsing" title="Modul:Wikitext Parsing – Uzbek" lang="uz" hreflang="uz" data-title="Modul:Wikitext Parsing" data-language-autonym="Oʻzbekcha / ўзбекча" data-language-local-name="Uzbek" class="interlanguage-link-target">Oʻzbekcha / ўзбекча</a></li><li class="interlanguage-link interwiki-si mw-list-item"><a href="https://si.wikipedia.org/wiki/Module:Wikitext_Parsing" title="Module:Wikitext Parsing – Sinhala" lang="si" hreflang="si" data-title="Module:Wikitext Parsing" data-language-autonym="සිංහල" data-language-local-name="Sinhala" class="interlanguage-link-target">සිංහල</a></li><li class="interlanguage-link interwiki-sl mw-list-item"><a href="https://sl.wikipedia.org/wiki/Modul:Wikitext_Parsing" title="Modul:Wikitext Parsing – Slovenian" lang="sl" hreflang="sl" data-title="Modul:Wikitext Parsing" data-language-autonym="Slovenščina" data-language-local-name="Slovenian" class="interlanguage-link-target">Slovenščina</a></li><li class="interlanguage-link interwiki-ckb mw-list-item"><a href="https://ckb.wikipedia.org/wiki/%D9%85%DB%86%D8%AF%DB%8C%D9%88%D9%88%D9%84:Wikitext_Parsing" title="مۆدیوول:Wikitext Parsing – Central Kurdish" lang="ckb" hreflang="ckb" data-title="مۆدیوول:Wikitext Parsing" data-language-autonym="کوردی" data-language-local-name="Central Kurdish" class="interlanguage-link-target">کوردی</a></li><li class="interlanguage-link interwiki-tl mw-list-item"><a href="https://tl.wikipedia.org/wiki/Module:Wikitext_Parsing" title="Module:Wikitext Parsing – Tagalog" lang="tl" hreflang="tl" data-title="Module:Wikitext Parsing" data-language-autonym="Tagalog" data-language-local-name="Tagalog" class="interlanguage-link-target">Tagalog</a></li><li class="interlanguage-link interwiki-th mw-list-item"><a href="https://th.wikipedia.org/wiki/%E0%B8%A1%E0%B8%AD%E0%B8%94%E0%B8%B9%E0%B8%A5:Wikitext_Parsing" title="มอดูล:Wikitext Parsing – Thai" lang="th" hreflang="th" data-title="มอดูล:Wikitext Parsing" data-language-autonym="ไทย" data-language-local-name="Thai" class="interlanguage-link-target">ไทย</a></li><li class="interlanguage-link interwiki-ur mw-list-item"><a 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class="mw-parser-output"><a href="/wiki/Wikipedia:Protection_policy#full" title="This high-risk module is permanently protected to prevent vandalism"><img alt="Permanently protected module" src="//upload.wikimedia.org/wikipedia/en/thumb/4/44/Full-protection-shackle.svg/20px-Full-protection-shackle.svg.png" decoding="async" width="20" height="20" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/4/44/Full-protection-shackle.svg/30px-Full-protection-shackle.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/4/44/Full-protection-shackle.svg/40px-Full-protection-shackle.svg.png 2x" data-file-width="512" data-file-height="512" /></a></div></div> </div> <div id="siteSub" class="noprint">From Wikipedia, the free encyclopedia</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="en" dir="ltr"><style data-mw-deduplicate="TemplateStyles:r1237875617">.mw-parser-output .documentation,.mw-parser-output .documentation-metadata{border:1px solid #a2a9b1;background-color:#ecfcf4;clear:both}.mw-parser-output .documentation{margin:1em 0 0 0;padding:1em}.mw-parser-output .documentation-metadata{margin:0.2em 0;font-style:italic;padding:0.4em 1em}.mw-parser-output .documentation-startbox{padding-bottom:3px;border-bottom:1px solid #aaa;margin-bottom:1ex}.mw-parser-output .documentation-heading{font-weight:bold;font-size:125%}.mw-parser-output .documentation-clear{clear:both}.mw-parser-output .documentation-toolbar{font-style:normal;font-size:85%}@media screen{html.skin-theme-clientpref-night .mw-parser-output .documentation,html.skin-theme-clientpref-night .mw-parser-output .documentation-metadata{background-color:#0b1e1c}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .documentation,html.skin-theme-clientpref-os .mw-parser-output .documentation-metadata{background-color:#0b1e1c}}</style><div class="documentation-container" role="complementary" aria-labelledby="documentation-heading"> <div class="documentation"> <div class="documentation-startbox"> <img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/4/43/Test_Template_Info-Icon_-_Version_%282%29.svg/50px-Test_Template_Info-Icon_-_Version_%282%29.svg.png" decoding="async" width="50" height="22" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/43/Test_Template_Info-Icon_-_Version_%282%29.svg/75px-Test_Template_Info-Icon_-_Version_%282%29.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/43/Test_Template_Info-Icon_-_Version_%282%29.svg/100px-Test_Template_Info-Icon_-_Version_%282%29.svg.png 2x" data-file-width="1792" data-file-height="800" /> Module documentation[<a href="/wiki/Module:Wikitext_Parsing/doc" title="Module:Wikitext Parsing/doc">view</a>] [<a href="/wiki/Special:EditPage/Module:Wikitext_Parsing/doc" title="Special:EditPage/Module:Wikitext Parsing/doc">edit</a>] [<a href="/wiki/Special:PageHistory/Module:Wikitext_Parsing/doc" title="Special:PageHistory/Module:Wikitext Parsing/doc">history</a>] [<a href="/wiki/Special:Purge/Module:Wikitext_Parsing" title="Special:Purge/Module:Wikitext Parsing">purge</a>]</div> <style data-mw-deduplicate="TemplateStyles:r1238436933">.mw-parser-output .ombox{margin:4px 0;border-collapse:collapse;border:1px solid #a2a9b1;background-color:var(--background-color-neutral-subtle,#f8f9fa);box-sizing:border-box;color:var(--color-base,#202122)}.mw-parser-output .ombox.mbox-small{font-size:88%;line-height:1.25em}.mw-parser-output .ombox-speedy{border:2px solid #b32424;background-color:#fee7e6}.mw-parser-output .ombox-delete{border:2px solid #b32424}.mw-parser-output .ombox-content{border:1px solid #f28500}.mw-parser-output .ombox-style{border:1px solid #fc3}.mw-parser-output .ombox-move{border:1px solid #9932cc}.mw-parser-output .ombox-protection{border:2px solid #a2a9b1}.mw-parser-output .ombox .mbox-text{border:none;padding:0.25em 0.9em;width:100%}.mw-parser-output .ombox .mbox-image{border:none;padding:2px 0 2px 0.9em;text-align:center}.mw-parser-output .ombox .mbox-imageright{border:none;padding:2px 0.9em 2px 0;text-align:center}.mw-parser-output .ombox .mbox-empty-cell{border:none;padding:0;width:1px}.mw-parser-output .ombox .mbox-invalid-type{text-align:center}@media(min-width:720px){.mw-parser-output .ombox{margin:4px 10%}.mw-parser-output .ombox.mbox-small{clear:right;float:right;margin:4px 0 4px 1em;width:238px}}body.skin--responsive .mw-parser-output table.ombox img{max-width:none!important}@media screen{html.skin-theme-clientpref-night .mw-parser-output .ombox-speedy{background-color:#310402}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .ombox-speedy{background-color:#310402}}</style><table class="plainlinks ombox ombox-content" role="presentation"><tbody><tr><td class="mbox-image"><img alt="Warning" src="//upload.wikimedia.org/wikipedia/en/thumb/5/5f/Ambox_warning_orange.svg/40px-Ambox_warning_orange.svg.png" decoding="async" width="40" height="34" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/5/5f/Ambox_warning_orange.svg/60px-Ambox_warning_orange.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/5/5f/Ambox_warning_orange.svg/80px-Ambox_warning_orange.svg.png 2x" data-file-width="378" data-file-height="326" /></td><td class="mbox-text">This Lua module is used on <a class="external text" href="https://linkcount.toolforge.org/?project=en.wikipedia.org&page=Module%3AWikitext+Parsing#transclusions">approximately 17,300,000 pages, or roughly 28% of all pages</a>. To avoid major disruption and server load, any changes should be tested in the module's <a href="/wiki/Module:Wikitext_Parsing/sandbox" title="Module:Wikitext Parsing/sandbox">/sandbox</a> or <a href="/wiki/Module:Wikitext_Parsing/testcases" title="Module:Wikitext Parsing/testcases">/testcases</a> subpages, or in your own <a href="/wiki/Module:Sandbox" title="Module:Sandbox">module sandbox</a>. The tested changes can be added to this page in a single edit. Consider discussing changes on the <a href="/wiki/Module_talk:Wikitext_Parsing" title="Module talk:Wikitext Parsing">talk page</a> before implementing them.</td></tr></tbody></table> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238436933"><table class="plainlinks ombox ombox-protection" role="presentation"><tbody><tr><td class="mbox-image"><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/0/0f/Cascade-protection-shackle.svg/40px-Cascade-protection-shackle.svg.png" decoding="async" width="40" height="40" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/0/0f/Cascade-protection-shackle.svg/60px-Cascade-protection-shackle.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/0/0f/Cascade-protection-shackle.svg/80px-Cascade-protection-shackle.svg.png 2x" data-file-width="512" data-file-height="512" /></td><td class="mbox-text">This module can only be edited by <a href="/wiki/Wikipedia:Administrators" title="Wikipedia:Administrators">administrators</a> because it is <a href="/wiki/Wikipedia:Transclusion" class="mw-redirect" title="Wikipedia:Transclusion">transcluded</a> onto one or more <a href="/wiki/Wikipedia:Protection_policy#Cascading_protection" title="Wikipedia:Protection policy">cascade-protected</a> pages.</td></tr></tbody></table> This module provides some functions to help with the potential complex situation involved in modules like <a href="/wiki/Module:Template_parameter_value" title="Module:Template parameter value">Module:Template parameter value</a>, which intend to process the raw wikitext of a page and want to respect nowiki tags or similar reliably. This module is designed only to be called by other modules. <div class="mw-heading mw-heading2"><h2 id="PrepareText">PrepareText</h2></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238436933"><table class="plainlinks ombox ombox-notice" role="presentation"><tbody><tr><td class="mbox-image"><img alt="Ready for use" src="//upload.wikimedia.org/wikipedia/commons/thumb/0/03/Green_check.svg/40px-Green_check.svg.png" decoding="async" width="40" height="40" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/0/03/Green_check.svg/60px-Green_check.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/0/03/Green_check.svg/80px-Green_check.svg.png 2x" data-file-width="600" data-file-height="600" /></td><td class="mbox-text">This module is rated as <a href="/wiki/Category:Modules_for_general_use" title="Category:Modules for general use">ready for general use</a>. It has reached a mature form and is thought to be relatively bug-free and ready for use wherever appropriate. It is ready to mention on help pages and other Wikipedia resources as an option for new users to learn. To reduce server load and bad output, it should be improved by <a href="/wiki/Wikipedia:Template_sandbox_and_test_cases" title="Wikipedia:Template sandbox and test cases">sandbox testing</a> rather than repeated trial-and-error editing.</td></tr></tbody></table> <code>PrepareText(text, keepComments)</code> will run any content within certain tags that disable processing (<code class="nowrap" style=""><nowiki></code>, <code class="nowrap" style=""><pre></code>, <code class="nowrap" style=""><syntaxhighlight></code>, <code class="nowrap" style=""><source></code>, <code class="nowrap" style=""><math></code>) through mw.text.nowiki and remove HTML comments to avoid irrelevant text being processed by modules, allowing tricky syntax to be parsed through more basic means such as <code>%b{}</code>. If the second parameter, <code>keepComments</code>, is set to true, the content of HTML comments will be passed through mw.text.nowiki instead of being removed entirely. Any code using this function directly should consider using mw.text.decode to correct the output at the end if part of the processed text is returned, though this will also decode any input that was encoded but not inside a no-processing tag, which likely isn't a significant issue but still something worth considering. <div class="mw-heading mw-heading2"><h2 id="ParseTemplates">ParseTemplates</h2></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238436933"><table class="plainlinks ombox ombox-notice" role="presentation"><tbody><tr><td class="mbox-image"><img alt="Beta" src="//upload.wikimedia.org/wikipedia/commons/thumb/b/b8/Greek_lc_beta_icon.svg/19px-Greek_lc_beta_icon.svg.png" decoding="async" width="19" height="40" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/b/b8/Greek_lc_beta_icon.svg/29px-Greek_lc_beta_icon.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/b/b8/Greek_lc_beta_icon.svg/38px-Greek_lc_beta_icon.svg.png 2x" data-file-width="48" data-file-height="100" /></td><td class="mbox-text">This module is rated as <a href="/wiki/Category:Modules_in_beta" title="Category:Modules in beta">beta</a>, and is ready for widespread use. It is still new and should be used with some caution to ensure the results are as expected.</td></tr></tbody></table> <code>ParseTemplates(InputText, dontEscape)</code> will attempt to parse all <code>{{Templates}}</code> on a page, handling multiple factors such as <code>[[Wikilinks]]</code> and <code>{{{Variables}}}</code> among other complex syntax. Due to the complexity of the function, it is considerably slow, and should be used carefully. The function returns a list of template objects in order of appearance, which have the following properties: <ul><li>Args: A key-value set of arguments, not in order</li> <li>ArgOrder: A list of keys in the order they appear in the template</li> <li>Children: A list of template objects that are contained within the existing template, in order of appearance. Only immediate children are listed</li> <li>Name: The name of the template</li> <li>Text: The raw text of the template</li></ul> If the second parameter, <code>dontEscape</code>, is set to true, the inputted text won't be ran through the <code>PrepareText</code> function. <div class="documentation-clear"></div> </div> <div role="note" class="documentation-metadata plainlinks">The above <a href="/wiki/Wikipedia:Template_documentation" title="Wikipedia:Template documentation">documentation</a> is <a href="/wiki/Help:Transclusion" title="Help:Transclusion">transcluded</a> from <a href="/wiki/Module:Wikitext_Parsing/doc" title="Module:Wikitext Parsing/doc">Module:Wikitext Parsing/doc</a>. (<a href="/wiki/Special:EditPage/Module:Wikitext_Parsing/doc" title="Special:EditPage/Module:Wikitext Parsing/doc">edit</a> | <a href="/wiki/Special:PageHistory/Module:Wikitext_Parsing/doc" title="Special:PageHistory/Module:Wikitext Parsing/doc">history</a>) Editors can experiment in this module's <a href="/wiki/Module:Wikitext_Parsing/sandbox" title="Module:Wikitext Parsing/sandbox">sandbox</a> (<a href="/wiki/Special:EditPage/Module:Wikitext_Parsing/sandbox" title="Special:EditPage/Module:Wikitext Parsing/sandbox">edit</a> | <a class="external text" href="https://en.wikipedia.org/w/index.php?title=Special%3AComparePages&page1=Module%3AWikitext+Parsing&page2=Module%3AWikitext+Parsing%2Fsandbox">diff</a>) and <a href="/wiki/Module:Wikitext_Parsing/testcases" title="Module:Wikitext Parsing/testcases">testcases</a> (<a href="/wiki/Special:EditPage/Module:Wikitext_Parsing/testcases" title="Special:EditPage/Module:Wikitext Parsing/testcases">edit</a> | <a href="/wiki/Module_talk:Wikitext_Parsing/testcases" title="Module talk:Wikitext Parsing/testcases">run</a>) pages. <a href="/wiki/Special:PrefixIndex/Module:Wikitext_Parsing/" title="Special:PrefixIndex/Module:Wikitext Parsing/">Subpages of this module</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>require("strict") <a href="#L-2"></a> <a href="#L-3"></a>--Helper functions <a href="#L-4"></a>local function startswith(text, subtext) <a href="#L-5"></a> return string.sub(text, 1, #subtext) == subtext <a href="#L-6"></a>end <a href="#L-7"></a>local function endswith(text, subtext) <a href="#L-8"></a> return string.sub(text, -#subtext, -1) == subtext <a href="#L-9"></a>end <a href="#L-10"></a>local function allcases(s) <a href="#L-11"></a> return s:gsub("%a", function(c) <a href="#L-12"></a> return "["..c:upper()..c:lower().."]" <a href="#L-13"></a> end) <a href="#L-14"></a>end <a href="#L-15"></a>local trimcache = {} <a href="#L-16"></a>local whitespace = {[" "]=1, ["\n"]=1, ["\t"]=1, ["\r"]=1} <a href="#L-17"></a>local function cheaptrim(str) --mw.text.trim is surprisingly expensive, so here's an alternative approach <a href="#L-18"></a> local quick = trimcache[str] <a href="#L-19"></a> if quick then <a href="#L-20"></a> return quick <a href="#L-21"></a> else <a href="#L-22"></a> -- local out = string.gsub(str, "^%s*(.-)%s*$", "%1") <a href="#L-23"></a> local lowEnd <a href="#L-24"></a> for i = 1,#str do <a href="#L-25"></a> if not whitespace[string.sub(str, i, i)] then <a href="#L-26"></a> lowEnd = i <a href="#L-27"></a> break <a href="#L-28"></a> end <a href="#L-29"></a> end <a href="#L-30"></a> if not lowEnd then <a href="#L-31"></a> trimcache[str] = "" <a href="#L-32"></a> return "" <a href="#L-33"></a> end <a href="#L-34"></a> for i = #str,1,-1 do <a href="#L-35"></a> if not whitespace[string.sub(str, i, i)] then <a href="#L-36"></a> local out = string.sub(str, lowEnd, i) <a href="#L-37"></a> trimcache[str] = out <a href="#L-38"></a> return out <a href="#L-39"></a> end <a href="#L-40"></a> end <a href="#L-41"></a> end <a href="#L-42"></a>end <a href="#L-43"></a> <a href="#L-44"></a>--[=[ Implementation notes <a href="#L-45"></a>---- NORMAL HTML TAGS ---- <a href="#L-46"></a>Tags are very strict on how they want to start, but loose on how they end. <a href="#L-47"></a>The start must strictly follow <[tAgNaMe](%s|>) with no room for whitespace in <a href="#L-48"></a>the tag's name, but may then flow as they want afterwards, making <a href="#L-49"></a><div\nclass\n=\n"\nerror\n"\n> valid <a href="#L-50"></a> <a href="#L-51"></a>There's no sense of escaping < or > <a href="#L-52"></a>E.g. <a href="#L-53"></a> <div class="error\>"> will end at \> despite it being inside a quote <a href="#L-54"></a> <div class="error"> will not process the larger div <a href="#L-55"></a> <a href="#L-56"></a>If a tag has no end, it will consume all text instead of not processing <a href="#L-57"></a> <a href="#L-58"></a>---- NOPROCESSING TAGS (nowiki, pre, syntaxhighlight, source, etc.) ---- <a href="#L-59"></a>(In most comments, <source> will not be mentioned. This is because it is the <a href="#L-60"></a>deprecated version of <syntaxhighlight>) <a href="#L-61"></a> <a href="#L-62"></a>No-Processing tags have some interesting differences to the above rules. <a href="#L-63"></a>For example, their syntax is a lot stricter. While an opening tag appears to <a href="#L-64"></a>follow the same set of rules, A closing tag can't have any sort of extra <a href="#L-65"></a>formatting period. While </div a/a> is valid, </nowiki a/a> isn't - only <a href="#L-66"></a>newlines and spaces/tabs are allowed in closing tags. <a href="#L-67"></a>Note that, even though <pre> tags cause a visual change when the ending tag has <a href="#L-68"></a>extra formatting, it won't cause the no-processing effects. For some reason, the <a href="#L-69"></a>format must be strict for that to apply. <a href="#L-70"></a> <a href="#L-71"></a>Both the content inside the tag pair and the content inside each side of the <a href="#L-72"></a>pair is not processed. E.g. <nowiki |}}>|}}</nowiki> would have both of the |}} <a href="#L-73"></a>escaped in practice. <a href="#L-74"></a> <a href="#L-75"></a>When something in the code is referenced to as a "Nowiki Tag", it means a tag <a href="#L-76"></a>which causes wiki text to not be processed, which includes <nowiki>, <pre>, <a href="#L-77"></a>and <syntaxhighlight> <a href="#L-78"></a> <a href="#L-79"></a>Since we only care about these tags, we can ignore the idea of an intercepting <a href="#L-80"></a>tag preventing processing, and just go straight for the first ending we can find <a href="#L-81"></a>If there is no ending to find, the tag will NOT consume the rest of the text in <a href="#L-82"></a>terms of processing behaviour (though <pre> will appear to have an effect). <a href="#L-83"></a>Even if there is no end of the tag, the content inside the opening half will <a href="#L-84"></a>still be unprocessed, meaning {{X20|<nowiki }}>}} wouldn't end at the first }} <a href="#L-85"></a>despite there being no ending to the tag. <a href="#L-86"></a> <a href="#L-87"></a>Note that there are some tags, like <math>, which also function like <nowiki> <a href="#L-88"></a>which are included in this aswell. Some other tags, like <ref>, have far too <a href="#L-89"></a>unpredictable behaviour to be handled currently (they'd have to be split and <a href="#L-90"></a>processed as something seperate - its complicated, but maybe not impossible.) <a href="#L-91"></a>I suspect that every tag listed in [[Special:Version]] may behave somewhat like <a href="#L-92"></a>this, but that's far too many cases worth checking for rarely used tags that may <a href="#L-93"></a>not even have a good reason to contain {{ or }} anyways, so we leave them alone. <a href="#L-94"></a> <a href="#L-95"></a>---- HTML COMMENTS AND INCLUDEONLY ---- <a href="#L-96"></a>HTML Comments are about as basic as it could get for this <a href="#L-97"></a>Start at , no extra conditions. Simple enough <a href="#L-98"></a>If a comment has no end, it will eat all text instead of not being processed <a href="#L-99"></a> <a href="#L-100"></a>includeonly tags function mostly like a regular nowiki tag, with the exception <a href="#L-101"></a>that the tag will actually consume all future text if not given an ending as <a href="#L-102"></a>opposed to simply giving up and not changing anything. Due to complications and <a href="#L-103"></a>the fact that this is far less likely to be present on a page, aswell as being <a href="#L-104"></a>something that may not want to be escaped, includeonly tags are ignored during <a href="#L-105"></a>our processing <a href="#L-106"></a>--]=] <a href="#L-107"></a>local validtags = {nowiki=1, pre=1, syntaxhighlight=1, source=1, math=1} <a href="#L-108"></a>--This function expects the string to start with the tag <a href="#L-109"></a>local function TestForNowikiTag(text, scanPosition) <a href="#L-110"></a> local tagName = (string.match(text, "^<([^\n />]+)", scanPosition) or ""):lower() <a href="#L-111"></a> if not validtags[tagName] then <a href="#L-112"></a> return nil <a href="#L-113"></a> end <a href="#L-114"></a> local nextOpener = string.find(text, "<", scanPosition+1) or -1 <a href="#L-115"></a> local nextCloser = string.find(text, ">", scanPosition+1) or -1 <a href="#L-116"></a> if nextCloser > -1 and (nextOpener == -1 or nextCloser < nextOpener) then <a href="#L-117"></a> local startingTag = string.sub(text, scanPosition, nextCloser) <a href="#L-118"></a> --We have our starting tag (E.g. '<pre style="color:red">') <a href="#L-119"></a> --Now find our ending... <a href="#L-120"></a> if endswith(startingTag, "/>") then --self-closing tag (we are our own ending) <a href="#L-121"></a> return { <a href="#L-122"></a> Tag = tagName, <a href="#L-123"></a> Start = startingTag, <a href="#L-124"></a> Content = "", End = "", <a href="#L-125"></a> Length = #startingTag <a href="#L-126"></a> } <a href="#L-127"></a> <a href="#L-128"></a> else <a href="#L-129"></a> local endingTagStart, endingTagEnd = string.find(text, "</"..allcases(tagName).."[ \t\n]*>", scanPosition) <a href="#L-130"></a> if endingTagStart then --Regular tag formation <a href="#L-131"></a> local endingTag = string.sub(text, endingTagStart, endingTagEnd) <a href="#L-132"></a> local tagContent = string.sub(text, nextCloser+1, endingTagStart-1) <a href="#L-133"></a> return { <a href="#L-134"></a> Tag = tagName, <a href="#L-135"></a> Start = startingTag, <a href="#L-136"></a> Content = tagContent, <a href="#L-137"></a> End = endingTag, <a href="#L-138"></a> Length = #startingTag + #tagContent + #endingTag <a href="#L-139"></a> } <a href="#L-140"></a> <a href="#L-141"></a> else --Content inside still needs escaping (also linter error!) <a href="#L-142"></a> return { <a href="#L-143"></a> Tag = tagName, <a href="#L-144"></a> Start = startingTag, <a href="#L-145"></a> Content = "", End = "", <a href="#L-146"></a> Length = #startingTag <a href="#L-147"></a> } <a href="#L-148"></a> end <a href="#L-149"></a> end <a href="#L-150"></a> end <a href="#L-151"></a> return nil <a href="#L-152"></a>end <a href="#L-153"></a>local function TestForComment(text, scanPosition) --Like TestForNowikiTag but for  <a href="#L-154"></a> if string.match(text, "^<!%-%-", scanPosition) then <a href="#L-155"></a> local commentEnd = string.find(text, "-->", scanPosition+4, true) <a href="#L-156"></a> if commentEnd then <a href="#L-157"></a> return { <a href="#L-158"></a> Start = "", <a href="#L-159"></a> Content = string.sub(text, scanPosition+4, commentEnd-1), <a href="#L-160"></a> Length = commentEnd-scanPosition+3 <a href="#L-161"></a> } <a href="#L-162"></a> else --Consumes all text if not given an ending <a href="#L-163"></a> return { <a href="#L-164"></a> Start = "Should see|Shouldn't see}}]=] <a href="#L-506"></a>local out = p.PrepareText(s) <a href="#L-507"></a>mw.logObject(out) <a href="#L-508"></a> <a href="#L-509"></a>local s = [=[BA]=] <a href="#L-512"></a>local out = p.TestForComment(s, 2) <a href="#L-513"></a>mw.logObject(out); mw.log(string.sub(s, 2, out.Length)) <a href="#L-514"></a> <a href="#L-515"></a>local a = p.ParseTemplates([=[ <a href="#L-516"></a>{{User:Aidan9382/templates/dummy <a href="#L-517"></a>|A|B|C {{{A|B}}} { } } { <a href="#L-518"></a>|<nowiki>D</nowiki> <a href="#L-519"></a>|<pre>E <a href="#L-520"></a>|F</pre> <a href="#L-521"></a>|G|=|a=|A = [[{{PAGENAME}}|A=B]]{{Text|1==<nowiki>}}</nowiki>}}|A B=Success}} <a href="#L-522"></a>]=]) <a href="#L-523"></a>mw.logObject(a) <a href="#L-524"></a> <a href="#L-525"></a>]==] </pre></div>   </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Retrieved from "<a dir="ltr" href="https://en.wikipedia.org/w/index.php?title=Module:Wikitext_Parsing&oldid=1209492587">https://en.wikipedia.org/w/index.php?title=Module:Wikitext_Parsing&oldid=1209492587</a>"</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Help:Category" title="Help:Category">Categories</a>: <ul><li><a href="/wiki/Category:Modules_for_general_use" title="Category:Modules for general use">Modules for general use</a></li><li><a href="/wiki/Category:Modules_in_beta" title="Category:Modules in beta">Modules in beta</a></li></ul></div><div id="mw-hidden-catlinks" class="mw-hidden-catlinks mw-hidden-cats-hidden">Hidden category: <ul><li><a href="/wiki/Category:Wikipedia_fully_protected_modules" title="Category:Wikipedia fully protected modules">Wikipedia fully protected modules</a></li></ul></div></div> </div> </main> </div> <div class="mw-footer-container"> <footer id="footer" class="mw-footer" > <ul id="footer-info"> <li id="footer-info-lastmod"> This page was last edited on 22 February 2024, at 04:42 (UTC).</li> <li id="footer-info-copyright">Text is available under the <a href="/wiki/Wikipedia:Text_of_the_Creative_Commons_Attribution-ShareAlike_4.0_International_License" title="Wikipedia:Text of the Creative Commons Attribution-ShareAlike 4.0 International License">Creative Commons Attribution-ShareAlike 4.0 License</a>; additional terms may apply. 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