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clear:both"> <hr /> <dl class="plainlinks" style="font-size: smaller;"><dd>The following <a href="/wiki/Help:Documenting_templates_and_modules" title="Help:Documenting templates and modules">documentation</a> is located at <a href="/wiki/Module:template_parser/documentation" title="Module:template parser/documentation">Module:template parser/documentation</a>. [<a class="external text" href="https://en.wiktionary.org/w/index.php?title=Module:template_parser/documentation&action=edit">edit</a>]</dd><dd> Useful links: <a href="/wiki/Special:PrefixIndex/Module:template_parser/" title="Special:PrefixIndex/Module:template parser/">subpage list</a> • <a class="external text" href="https://en.wiktionary.org/w/index.php?title=Special%3AWhatLinksHere%2FModule%3Atemplate_parser&hideredirs=1&hidetrans=1">links</a> • <a class="external text" href="https://en.wiktionary.org/w/index.php?title=Special%3AWhatLinksHere%2FModule%3Atemplate_parser&hidelinks=1&hideredirs=1">transclusions</a> • <a href="/wiki/Module:template_parser/testcases" title="Module:template parser/testcases">testcases</a> • <a href="/w/index.php?title=Module:template_parser/sandbox&action=edit&redlink=1" class="new" title="Module:template parser/sandbox (page does not exist)">sandbox</a></dd></dl> <style data-mw-deduplicate="TemplateStyles:r82267123">.mw-parser-output .maintenance-box{width:90%;margin:0.75em auto;border-width:1px;border-style:dashed;padding:0.25em}.mw-parser-output .request-box{width:90%;margin:0.75em auto;border:1px dashed var(--border-color-base,#999999);padding:0.25em;background:var(--background-color-base,#FFFFFF)}body.skin-minerva .mw-parser-output .request-box table{margin-top:0.25em;margin-bottom:0.25em}.mw-parser-output .maintenance-box-blue{background-color:#E6E6FF;border-color:#000061}.mw-parser-output .maintenance-box-red{background-color:#FFE6E6;border-color:#610000}.mw-parser-output .maintenance-box-yellow{background-color:#FFFFE6;border-color:#616100}.mw-parser-output .maintenance-box-grey{background-color:#F2F2F2;border-color:#303030}.mw-parser-output .maintenance-box-orange{background-color:#FFF2E6;border-color:#612F00}@media screen{html.skin-theme-clientpref-night .mw-parser-output .maintenance-box-blue{background-color:#1D1D44;border-color:#73737F}html.skin-theme-clientpref-night .mw-parser-output .maintenance-box-red{background-color:#441D1D;border-color:#7F7373}html.skin-theme-clientpref-night .mw-parser-output .maintenance-box-yellow{background-color:#323216;border-color:#7F7F73}html.skin-theme-clientpref-night .mw-parser-output .maintenance-box-grey{background-color:#303030;border-color:#797979}html.skin-theme-clientpref-night .mw-parser-output .maintenance-box-orange{background-color:#44301D;border-color:#7F7973}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .maintenance-box-blue{background-color:#1D1D44;border-color:#73737F}html.skin-theme-clientpref-os .mw-parser-output .maintenance-box-red{background-color:#441D1D;border-color:#7F7373}html.skin-theme-clientpref-os .mw-parser-output .maintenance-box-yellow{background-color:#323216;border-color:#7F7F73}html.skin-theme-clientpref-os .mw-parser-output .maintenance-box-grey{background-color:#303030;border-color:#797979}html.skin-theme-clientpref-os .mw-parser-output .maintenance-box-orange{background-color:#44301D;border-color:#7F7973}}</style><div class="noprint maintenance-box maintenance-box-yellow"> <table> <tbody><tr> <td rowspan="2"><a href="/wiki/File:Text-x-generic_with_pencil.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/2/20/Text-x-generic_with_pencil.svg/40px-Text-x-generic_with_pencil.svg.png" decoding="async" width="40" height="40" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/2/20/Text-x-generic_with_pencil.svg/60px-Text-x-generic_with_pencil.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/2/20/Text-x-generic_with_pencil.svg/80px-Text-x-generic_with_pencil.svg.png 2x" data-file-width="48" data-file-height="48" /></a> </td> <th style="text-align: left;">This documentation is out of date. </th></tr> <tr> <td>The <a href="/wiki/Help:Documenting_templates_and_modules" title="Help:Documenting templates and modules">documentation</a> on this page or section no longer reflects its current state, and some information may be missing or incorrect. Please help by editing the <a href="/wiki/Module:template_parser/documentation" title="Module:template parser/documentation">documentation page</a>, and adding information about undocumented features, while removing information that is no longer applicable. </td></tr></tbody></table></div> This module provides functions for parsing and finding template invocations found in wikitext. <dl><dt><code style="white-space:pre-wrap;" class="mw-highlight mw-highlight-lang-lua mw-content-ltr" dir="ltr">parseTemplate(text, not_transcluded)</code></dt> <dd>Parses <tt>text</tt> as a template invocation and returns a pair of values, the template name and the arguments (containing anonymous, numbered and named arguments). If the text could not be parsed as a template invocation, the function returns <tt>nil</tt>. The parser will correctly parse any wikitext given as template arguments (such as subtemplates, arguments, tables etc), but if the string does not form a valid template in markup, then it will return <code>nil</code>.</dd> <dt><code style="white-space:pre-wrap;" class="mw-highlight mw-highlight-lang-lua mw-content-ltr" dir="ltr">findTemplates(text, not_transcluded)</code></dt> <dd>Finds all template invocations in the text. This is designed to be used as an iterator in <tt>for</tt> statements, and returns four values for each invocation:</dd></dl> <ol><li>The template name.</li> <li>The template arguments.</li> <li>The full template invocation as it appears in the original text.</li> <li>The index the template appears at within the given text; as with Lua in general, the beginning of the text is index 1.</li></ol> For convenience, template names will be normalized in two ways: <ol><li>They are preprocessed, which means that any templates (<code style="white-space:pre-wrap">{{ }}</code>) and parameters (<code style="white-space:pre-wrap">{{{ }}}</code>) they contain will be resolved.</li> <li>Any redirects will be converted to their canonical equivalents (e.g. <code style="white-space:pre-wrap">{{<a href="/wiki/Template:link#top" title="Template:link">l</a>}}</code> is treated as <code style="white-space:pre-wrap">{{<a href="/wiki/Template:link#top" title="Template:link">link</a>}}</code>).</li></ol> Note that any templates with invalid names (after preprocessing) will be skipped over. For performance reasons, preprocessing is only applied to the keys in a template's table of arguments, so it should be applied (selectively) to the values by the calling module when needed. Note that the parser will respect <code style="white-space:pre-wrap"><<a href="https://www.mediawiki.org/wiki/Transclusion#Partial_transclusion" class="extiw" title="mw:Transclusion">noinclude</a>></code>, <code style="white-space:pre-wrap"><<a href="https://www.mediawiki.org/wiki/Transclusion#Partial_transclusion" class="extiw" title="mw:Transclusion">includeonly</a>></code> and <code style="white-space:pre-wrap"><<a href="https://www.mediawiki.org/wiki/Transclusion#Partial_transclusion" class="extiw" title="mw:Transclusion">onlyinclude</a>></code> tags. By default, <tt>text</tt> is treated as though it has been <a href="https://www.mediawiki.org/wiki/Transclusion" class="extiw" title="mw:Transclusion">transcluded</a>, which means that text between <code style="white-space:pre-wrap"><<a href="https://www.mediawiki.org/wiki/Transclusion#Partial_transclusion" class="extiw" title="mw:Transclusion">noinclude</a>></code> tags will be ignored, and <code style="white-space:pre-wrap"><<a href="https://www.mediawiki.org/wiki/Transclusion#Partial_transclusion" class="extiw" title="mw:Transclusion">onlyinclude</a>></code> tags will be respected if present. If the parameter <tt>not_transcluded</tt> is set to <code style="white-space:pre-wrap;" class="mw-highlight mw-highlight-lang-lua mw-content-ltr" dir="ltr">true</code>, then <tt>text</tt> will be treated as though it has not been transcluded, which means text between <code style="white-space:pre-wrap"><<a href="https://www.mediawiki.org/wiki/Transclusion#Partial_transclusion" class="extiw" title="mw:Transclusion">includeonly</a>></code> tags will be ignored instead. Although the parser is very accurate, some discrepancies may still exist between it and the native parser in certain cases. </div> <div class="mw-highlight mw-highlight-lang-lua mw-content-ltr mw-highlight-lines" dir="ltr"><pre><a href="#L-1"></a>--[[ <a href="#L-2"></a>NOTE: This module works by using recursive backtracking to build a node tree, which can then be traversed as necessary. <a href="#L-3"></a> <a href="#L-4"></a>Because it is called by a number of high-use modules, it has been optimised for speed using a profiler, since it is used to scrape data from large numbers of pages very quickly. To that end, it rolls some of its own methods in cases where this is faster than using a function from one of the standard libraries. Please DO NOT "simplify" the code by removing these, since you are almost guaranteed to slow things down, which could seriously impact performance on pages which call this module hundreds or thousands of times. <a href="#L-5"></a> <a href="#L-6"></a>It has also been designed to emulate the native parser's behaviour as much as possible, which in some cases means replicating bugs or unintuitive behaviours in that code; these should not be "fixed", since it is important that the outputs are the same. Most of these originate from deficient regular expressions, which can't be used here, so the bugs have to be manually reintroduced as special cases (e.g. onlyinclude tags being case-sensitive and whitespace intolerant, unlike all other tags). If any of these are fixed, this module should also be updated accordingly. <a href="#L-7"></a>]] <a href="#L-8"></a>local export = {} <a href="#L-9"></a> <a href="#L-10"></a>local data_module = "Module:template parser/data" <a href="#L-11"></a>local magic_words_data_module = "Module:data/magic words" <a href="#L-12"></a>local pages_module = "Module:pages" <a href="#L-13"></a>local parser_extension_tags_data_module = "Module:data/parser extension tags" <a href="#L-14"></a>local parser_module = "Module:parser" <a href="#L-15"></a>local string_utilities_module = "Module:string utilities" <a href="#L-16"></a>local table_module = "Module:table" <a href="#L-17"></a> <a href="#L-18"></a>local require = require <a href="#L-19"></a> <a href="#L-20"></a>local m_parser = require(parser_module) <a href="#L-21"></a>local mw = mw <a href="#L-22"></a>local mw_title = mw.title <a href="#L-23"></a>local mw_uri = mw.uri <a href="#L-24"></a>local string = string <a href="#L-25"></a>local table = table <a href="#L-26"></a> <a href="#L-27"></a>local anchor_encode = mw_uri.anchorEncode <a href="#L-28"></a>local build_template -- defined as export.buildTemplate below <a href="#L-29"></a>local class_else_type = m_parser.class_else_type <a href="#L-30"></a>local concat = table.concat <a href="#L-31"></a>local encode_uri = mw_uri.encode <a href="#L-32"></a>local find = string.find <a href="#L-33"></a>local format = string.format <a href="#L-34"></a>local gsub = string.gsub <a href="#L-35"></a>local html_create = mw.html.create <a href="#L-36"></a>local insert = table.insert <a href="#L-37"></a>local is_node = m_parser.is_node <a href="#L-38"></a>local load_data = mw.loadData <a href="#L-39"></a>local lower = string.lower <a href="#L-40"></a>local make_title = mw_title.makeTitle -- unconditionally adds the specified namespace prefix <a href="#L-41"></a>local match = string.match <a href="#L-42"></a>local new_title = mw_title.new -- specified namespace prefix is only added if the input doesn't contain one <a href="#L-43"></a>local next = next <a href="#L-44"></a>local pairs = pairs <a href="#L-45"></a>local parse -- defined as export.parse below <a href="#L-46"></a>local parse_template_name -- defined below <a href="#L-47"></a>local pcall = pcall <a href="#L-48"></a>local rep = string.rep <a href="#L-49"></a>local reverse = string.reverse <a href="#L-50"></a>local select = select <a href="#L-51"></a>local sub = string.sub <a href="#L-52"></a>local title_equals = mw_title.equals <a href="#L-53"></a>local tostring = m_parser.tostring <a href="#L-54"></a>local type = type <a href="#L-55"></a>local umatch = mw.ustring.match <a href="#L-56"></a> <a href="#L-57"></a>--[==[ <a href="#L-58"></a>Loaders for functions in other modules, which overwrite themselves with the target function when called. This ensures modules are only loaded when needed, retains the speed/convenience of locally-declared pre-loaded functions, and has no overhead after the first call, since the target functions are called directly in any subsequent calls.]==] <a href="#L-59"></a> local function decode_entities(...) <a href="#L-60"></a> decode_entities = require(string_utilities_module).decode_entities <a href="#L-61"></a> return decode_entities(...) <a href="#L-62"></a> end <a href="#L-63"></a> <a href="#L-64"></a> local function encode_entities(...) <a href="#L-65"></a> encode_entities = require(string_utilities_module).encode_entities <a href="#L-66"></a> return encode_entities(...) <a href="#L-67"></a> end <a href="#L-68"></a> <a href="#L-69"></a> local function is_valid_title(...) <a href="#L-70"></a> is_valid_title = require(pages_module).is_valid_title <a href="#L-71"></a> return is_valid_title(...) <a href="#L-72"></a> end <a href="#L-73"></a> <a href="#L-74"></a> local function pattern_escape(...) <a href="#L-75"></a> pattern_escape = require(string_utilities_module).pattern_escape <a href="#L-76"></a> return pattern_escape(...) <a href="#L-77"></a> end <a href="#L-78"></a> <a href="#L-79"></a> local function php_trim(...) <a href="#L-80"></a> php_trim = require(string_utilities_module).php_trim <a href="#L-81"></a> return php_trim(...) <a href="#L-82"></a> end <a href="#L-83"></a> <a href="#L-84"></a> local function replacement_escape(...) <a href="#L-85"></a> replacement_escape = require(string_utilities_module).replacement_escape <a href="#L-86"></a> return replacement_escape(...) <a href="#L-87"></a> end <a href="#L-88"></a> <a href="#L-89"></a> local function scribunto_param_key(...) <a href="#L-90"></a> scribunto_param_key = require(string_utilities_module).scribunto_param_key <a href="#L-91"></a> return scribunto_param_key(...) <a href="#L-92"></a> end <a href="#L-93"></a> <a href="#L-94"></a> local function shallowcopy(...) <a href="#L-95"></a> shallowcopy = require(table_module).shallowcopy <a href="#L-96"></a> return shallowcopy(...) <a href="#L-97"></a> end <a href="#L-98"></a> <a href="#L-99"></a> local function sorted_pairs(...) <a href="#L-100"></a> sorted_pairs = require(table_module).sortedPairs <a href="#L-101"></a> return sorted_pairs(...) <a href="#L-102"></a> end <a href="#L-103"></a> <a href="#L-104"></a> local function split(...) <a href="#L-105"></a> split = require(string_utilities_module).split <a href="#L-106"></a> return split(...) <a href="#L-107"></a> end <a href="#L-108"></a> <a href="#L-109"></a> local function table_len(...) <a href="#L-110"></a> table_len = require(table_module).length <a href="#L-111"></a> return table_len(...) <a href="#L-112"></a> end <a href="#L-113"></a> <a href="#L-114"></a> local function uupper(...) <a href="#L-115"></a> uupper = require(string_utilities_module).upper <a href="#L-116"></a> return uupper(...) <a href="#L-117"></a> end <a href="#L-118"></a> <a href="#L-119"></a>--[==[ <a href="#L-120"></a>Loaders for objects, which load data (or some other object) into some variable, which can then be accessed as "foo or get_foo()", where the function get_foo sets the object to "foo" and then returns it. This ensures they are only loaded when needed, and avoids the need to check for the existence of the object each time, since once "foo" has been set, "get_foo" will not be called again.]==] <a href="#L-121"></a> local data <a href="#L-122"></a> local function get_data() <a href="#L-123"></a> data, get_data = load_data(data_module), nil <a href="#L-124"></a> return data <a href="#L-125"></a> end <a href="#L-126"></a> <a href="#L-127"></a> local frame <a href="#L-128"></a> local function get_frame() <a href="#L-129"></a> frame, get_frame = mw.getCurrentFrame(), nil <a href="#L-130"></a> return frame <a href="#L-131"></a> end <a href="#L-132"></a> <a href="#L-133"></a> local magic_words <a href="#L-134"></a> local function get_magic_words() <a href="#L-135"></a> magic_words, get_magic_words = load_data(magic_words_data_module), nil <a href="#L-136"></a> return magic_words <a href="#L-137"></a> end <a href="#L-138"></a> <a href="#L-139"></a> local parser_extension_tags <a href="#L-140"></a> local function get_parser_extension_tags() <a href="#L-141"></a> parser_extension_tags, get_parser_extension_tags = load_data(parser_extension_tags_data_module), nil <a href="#L-142"></a> return parser_extension_tags <a href="#L-143"></a> end <a href="#L-144"></a> <a href="#L-145"></a>local Parser, Node = m_parser.new() <a href="#L-146"></a> <a href="#L-147"></a>------------------------------------------------------------------------------------ <a href="#L-148"></a>-- <a href="#L-149"></a>-- Nodes <a href="#L-150"></a>-- <a href="#L-151"></a>------------------------------------------------------------------------------------ <a href="#L-152"></a> <a href="#L-153"></a>Node.keys_to_remove = {"handler", "head", "pattern", "route", "step"} <a href="#L-154"></a> <a href="#L-155"></a>local function expand(obj, frame_args) <a href="#L-156"></a> return is_node(obj) and obj:expand(frame_args) or obj <a href="#L-157"></a>end <a href="#L-158"></a>export.expand = expand <a href="#L-159"></a> <a href="#L-160"></a>function Node:expand(frame_args) <a href="#L-161"></a> local output = {} <a href="#L-162"></a> for i = 1, #self do <a href="#L-163"></a> output[i] = expand(self[i], frame_args) <a href="#L-164"></a> end <a href="#L-165"></a> return concat(output) <a href="#L-166"></a>end <a href="#L-167"></a> <a href="#L-168"></a>local Wikitext = Node:new_class("wikitext") <a href="#L-169"></a> <a href="#L-170"></a>-- force_node ensures the output will always be a node. <a href="#L-171"></a>function Wikitext:new(this, force_node) <a href="#L-172"></a> if type(this) ~= "table" then <a href="#L-173"></a> return force_node and Node.new(self, {this}) or this <a href="#L-174"></a> elseif #this == 1 then <a href="#L-175"></a> local this1 = this[1] <a href="#L-176"></a> return force_node and not is_node(this1) and Node.new(self, this) or this1 <a href="#L-177"></a> end <a href="#L-178"></a> local success, str = pcall(concat, this) <a href="#L-179"></a> if success then <a href="#L-180"></a> return force_node and Node.new(self, {str}) or str <a href="#L-181"></a> end <a href="#L-182"></a> return Node.new(self, this) <a href="#L-183"></a>end <a href="#L-184"></a> <a href="#L-185"></a>-- First value is the parameter name. <a href="#L-186"></a>-- Second value is the parameter's default value. <a href="#L-187"></a>-- Any additional values are ignored: e.g. "{{{a|b|c}}}" is parameter "a" with default value "b" (*not* "b|c"). <a href="#L-188"></a>local Parameter = Node:new_class("parameter") <a href="#L-189"></a> <a href="#L-190"></a>function Parameter:new(this) <a href="#L-191"></a> local this2 = this[2] <a href="#L-192"></a> if class_else_type(this2) == "argument" then <a href="#L-193"></a> insert(this2, 2, "=") <a href="#L-194"></a> this2 = Wikitext:new(this2) <a href="#L-195"></a> end <a href="#L-196"></a> return Node.new(self, {this[1], this2}) <a href="#L-197"></a>end <a href="#L-198"></a> <a href="#L-199"></a>function Parameter:__tostring() <a href="#L-200"></a> local output = {} <a href="#L-201"></a> for i = 1, #self do <a href="#L-202"></a> output[i] = tostring(self[i]) <a href="#L-203"></a> end <a href="#L-204"></a> return "{{{" .. concat(output, "|") .. "}}}" <a href="#L-205"></a>end <a href="#L-206"></a> <a href="#L-207"></a>function Parameter:next(i) <a href="#L-208"></a> i = i + 1 <a href="#L-209"></a> if i <= 2 then <a href="#L-210"></a> return self[i], self, i <a href="#L-211"></a> end <a href="#L-212"></a>end <a href="#L-213"></a> <a href="#L-214"></a>function Parameter:get_name(frame_args) <a href="#L-215"></a> return scribunto_param_key(expand(self[1], frame_args)) <a href="#L-216"></a>end <a href="#L-217"></a> <a href="#L-218"></a>function Parameter:get_default(frame_args) <a href="#L-219"></a> local default = self[2] <a href="#L-220"></a> if default ~= nil then <a href="#L-221"></a> return expand(default, frame_args) <a href="#L-222"></a> end <a href="#L-223"></a> return "{{{" .. expand(self[1], frame_args) .. "}}}" <a href="#L-224"></a>end <a href="#L-225"></a> <a href="#L-226"></a>function Parameter:expand(frame_args) <a href="#L-227"></a> if frame_args == nil then <a href="#L-228"></a> return self:get_default() <a href="#L-229"></a> end <a href="#L-230"></a> local name = expand(self[1], frame_args) <a href="#L-231"></a> local val = frame_args[scribunto_param_key(name)] -- Parameter in use. <a href="#L-232"></a> if val ~= nil then <a href="#L-233"></a> return val <a href="#L-234"></a> end <a href="#L-235"></a> val = self[2] -- Default. <a href="#L-236"></a> if val ~= nil then <a href="#L-237"></a> return expand(val, frame_args) <a href="#L-238"></a> end <a href="#L-239"></a> return "{{{" .. name .. "}}}" <a href="#L-240"></a>end <a href="#L-241"></a> <a href="#L-242"></a>local Argument = Node:new_class("argument") <a href="#L-243"></a> <a href="#L-244"></a>function Argument:__tostring() <a href="#L-245"></a> return tostring(self[1]) .. "=" .. tostring(self[2]) <a href="#L-246"></a>end <a href="#L-247"></a> <a href="#L-248"></a>function Argument:expand(frame_args) <a href="#L-249"></a> return expand(self[1], frame_args) .. "=" .. expand(self[2], frame_args) <a href="#L-250"></a>end <a href="#L-251"></a> <a href="#L-252"></a>local Template = Node:new_class("template") <a href="#L-253"></a> <a href="#L-254"></a>function Template:__tostring() <a href="#L-255"></a> local output = {} <a href="#L-256"></a> for i = 1, #self do <a href="#L-257"></a> output[i] = tostring(self[i]) <a href="#L-258"></a> end <a href="#L-259"></a> return "{{" .. concat(output, "|") .. "}}" <a href="#L-260"></a>end <a href="#L-261"></a> <a href="#L-262"></a>-- Normalize the template name, check it's a valid template, then memoize results (using false for invalid titles). <a href="#L-263"></a>-- Parser functions (e.g. {{#IF:a|b|c}}) need to have the first argument extracted from the title, as it comes after the colon. Because of this, the parser function and first argument are memoized as a table. <a href="#L-264"></a>-- FIXME: Some parser functions have special argument handling (e.g. {{#SWITCH:}}). <a href="#L-265"></a>do <a href="#L-266"></a> local page_title = mw_title.getCurrentTitle() <a href="#L-267"></a> local namespace_has_subpages = mw.site.namespaces[page_title.namespace].hasSubpages <a href="#L-268"></a> local raw_pagename = page_title.fullText <a href="#L-269"></a> <a href="#L-270"></a> local templates = {} <a href="#L-271"></a> local parser_variables = {} <a href="#L-272"></a> local parser_functions = {} <a href="#L-273"></a> <a href="#L-274"></a> local function retrieve_magic_word_data(chunk) <a href="#L-275"></a> local mgw_data = (magic_words or get_magic_words())[chunk] <a href="#L-276"></a> if mgw_data then <a href="#L-277"></a> return mgw_data <a href="#L-278"></a> end <a href="#L-279"></a> local normalized = uupper(chunk) <a href="#L-280"></a> mgw_data = magic_words[normalized] <a href="#L-281"></a> if mgw_data and not mgw_data.case_sensitive then <a href="#L-282"></a> return mgw_data <a href="#L-283"></a> end <a href="#L-284"></a> end <a href="#L-285"></a> <a href="#L-286"></a> -- Returns the name required to transclude the title object `title` using <a href="#L-287"></a> -- template {{ }} syntax. <a href="#L-288"></a> local function get_template_invocation_name(title) <a href="#L-289"></a> if not is_valid_title(title) then <a href="#L-290"></a> error("Template invocations require a valid page title, which cannot contain an interwiki prefix.") <a href="#L-291"></a> end <a href="#L-292"></a> local namespace = title.namespace <a href="#L-293"></a> -- If not in the template namespace, include the prefix (or ":" if <a href="#L-294"></a> -- mainspace). <a href="#L-295"></a> if namespace ~= 10 then <a href="#L-296"></a> return namespace == 0 and ":" .. title.text or title.prefixedText <a href="#L-297"></a> end <a href="#L-298"></a> -- If in the template namespace and it shares a name with a magic word, <a href="#L-299"></a> -- it needs the prefix "Template:". <a href="#L-300"></a> local text = title.text <a href="#L-301"></a> local colon = find(text, ":", 1, true) <a href="#L-302"></a> if not colon then <a href="#L-303"></a> local mgw_data = retrieve_magic_word_data(text) <a href="#L-304"></a> return mgw_data and mgw_data.parser_variable and title.prefixedText or text <a href="#L-305"></a> end <a href="#L-306"></a> local mgw_data = retrieve_magic_word_data(sub(text, 1, colon - 1)) <a href="#L-307"></a> if mgw_data and (mgw_data.parser_function or mgw_data.transclusion_modifier) then <a href="#L-308"></a> return title.prefixedText <a href="#L-309"></a> end <a href="#L-310"></a> -- Also if "Template:" is necessary for disambiguation (e.g. <a href="#L-311"></a> -- "Template:Category:Foo" can't be abbreviated to "Category:Foo"). <a href="#L-312"></a> local check = new_title(text, 10) <a href="#L-313"></a> return check and title_equals(title, check) and text or title.prefixedText <a href="#L-314"></a> end <a href="#L-315"></a> export.getTemplateInvocationName = get_template_invocation_name <a href="#L-316"></a> <a href="#L-317"></a> -- Returns whether a title is a redirect or not. Structured like this to <a href="#L-318"></a> -- allow the use of pcall, since it will throw an error if the expensive <a href="#L-319"></a> -- parser function limit has been reached. <a href="#L-320"></a> local function is_redirect(title) <a href="#L-321"></a> return title.isRedirect <a href="#L-322"></a> end <a href="#L-323"></a> <a href="#L-324"></a> function parse_template_name(name, has_args, fragment, force_transclusion) <a href="#L-325"></a> local chunks, colon, start, n, p = {}, find(name, ":", 1, true), 1, 0, 0 <a href="#L-326"></a> while colon do <a href="#L-327"></a> -- Pattern applies PHP ltrim. <a href="#L-328"></a> local mgw_data = retrieve_magic_word_data(match(sub(name, start, colon - 1), "[^%z\t-\v\r ].*") or "") <a href="#L-329"></a> if not mgw_data then <a href="#L-330"></a> break <a href="#L-331"></a> end <a href="#L-332"></a> local priority = mgw_data.priority <a href="#L-333"></a> if not (priority and priority > p) then <a href="#L-334"></a> local pf = mgw_data.parser_function and mgw_data.name or nil <a href="#L-335"></a> if pf then <a href="#L-336"></a> n = n + 1 <a href="#L-337"></a> chunks[n] = pf .. ":" <a href="#L-338"></a> return chunks, "parser function", sub(name, colon + 1) <a href="#L-339"></a> end <a href="#L-340"></a> break <a href="#L-341"></a> end <a href="#L-342"></a> n = n + 1 <a href="#L-343"></a> chunks[n] = mgw_data.name .. ":" <a href="#L-344"></a> start, p = colon + 1, priority <a href="#L-345"></a> colon = find(name, ":", start, true) <a href="#L-346"></a> end <a href="#L-347"></a> if start > 1 then <a href="#L-348"></a> name = sub(name, start) <a href="#L-349"></a> end <a href="#L-350"></a> name = php_trim(name) <a href="#L-351"></a> -- Parser variables can only take SUBST:/SAFESUBST: as modifiers. <a href="#L-352"></a> if not has_args and p <= 1 then <a href="#L-353"></a> local mgw_data = retrieve_magic_word_data(name) <a href="#L-354"></a> local pv = mgw_data and mgw_data.parser_variable and mgw_data.name or nil <a href="#L-355"></a> if pv then <a href="#L-356"></a> n = n + 1 <a href="#L-357"></a> chunks[n] = pv <a href="#L-358"></a> return chunks, "parser variable" <a href="#L-359"></a> end <a href="#L-360"></a> end <a href="#L-361"></a> -- Handle relative template names. <a href="#L-362"></a> if namespace_has_subpages then <a href="#L-363"></a> -- If the name starts with "/", it's treated as a subpage of the <a href="#L-364"></a> -- current page. Final slashes are trimmed, but this can't affect <a href="#L-365"></a> -- the intervening slash (e.g. {{///}} refers to "{{PAGENAME}}/"). <a href="#L-366"></a> local initial = sub(name, 1, 1) <a href="#L-367"></a> if initial == "/" then <a href="#L-368"></a> name = raw_pagename .. (match(name, "^/.*[^/]") or "/") <a href="#L-369"></a> -- If it starts with "../", trim it and any that follow, and go up <a href="#L-370"></a> -- that many subpage levels. Then, treat any additional text as <a href="#L-371"></a> -- a subpage of that page; final slashes are trimmed. <a href="#L-372"></a> elseif initial == "." and sub(name, 2, 3) == "./" then <a href="#L-373"></a> local n = 4 <a href="#L-374"></a> while sub(name, n, n + 2) == "../" do <a href="#L-375"></a> n = n + 3 <a href="#L-376"></a> end <a href="#L-377"></a> -- Retain an initial "/". <a href="#L-378"></a> name = sub(name, n - 1) <a href="#L-379"></a> -- Trim the relevant number of subpages from the pagename. <a href="#L-380"></a> local pagename, i = reverse(raw_pagename), 0 <a href="#L-381"></a> for _ = 1, (n - 1) / 3 do <a href="#L-382"></a> i = find(pagename, "/", i + 1, true) <a href="#L-383"></a> -- Fail if there aren't enough slashes. <a href="#L-384"></a> if not i then <a href="#L-385"></a> return nil <a href="#L-386"></a> end <a href="#L-387"></a> end <a href="#L-388"></a> -- Add the subpage text; since the intervening "/" is retained <a href="#L-389"></a> -- in `name`, it can be trimmed along with any other final <a href="#L-390"></a> -- slashes (e.g. {{..///}} refers to "{{BASEPAGENAME}}".) <a href="#L-391"></a> name = reverse(sub(pagename, i + 1)) .. (match(name, "^.*[^/]") or "") <a href="#L-392"></a> end <a href="#L-393"></a> end <a href="#L-394"></a> local title = new_title(name, 10) <a href="#L-395"></a> if not is_valid_title(title) then <a href="#L-396"></a> return nil <a href="#L-397"></a> end <a href="#L-398"></a> -- If `fragment` is set, save the original title's fragment, since it <a href="#L-399"></a> -- won't carry through to any redirect targets. <a href="#L-400"></a> if fragment then <a href="#L-401"></a> fragment = title.fragment <a href="#L-402"></a> end <a href="#L-403"></a> -- Resolve any redirects. Note that is_valid_title treats interwiki <a href="#L-404"></a> -- titles as invalid, which is correct in this case: if the redirect <a href="#L-405"></a> -- target is an interwiki link, the template won't fail, but the <a href="#L-406"></a> -- redirect does not get resolved (i.e. the redirect page itself gets <a href="#L-407"></a> -- transcluded, so the template name should not be normalized to the <a href="#L-408"></a> -- target). It also treats titles that only have fragments as invalid <a href="#L-409"></a> -- (e.g. "#foo"), but these can't be used as redirects anyway. <a href="#L-410"></a> -- title.redirectTarget increments the expensive parser function count, <a href="#L-411"></a> -- but avoids extraneous transclusions polluting template lists and the <a href="#L-412"></a> -- performance hit caused by indiscriminately grabbing redirectTarget. <a href="#L-413"></a> -- However, if the expensive parser function limit has already been hit, <a href="#L-414"></a> -- redirectTarget is used as a fallback. force_transclusion forces the <a href="#L-415"></a> -- use of the fallback. <a href="#L-416"></a> local redirect = true <a href="#L-417"></a> if not force_transclusion then <a href="#L-418"></a> local success, resolved = pcall(is_redirect, title) <a href="#L-419"></a> if success and not resolved then <a href="#L-420"></a> redirect = false <a href="#L-421"></a> end <a href="#L-422"></a> end <a href="#L-423"></a> if redirect then <a href="#L-424"></a> redirect = title.redirectTarget <a href="#L-425"></a> if is_valid_title(redirect) then <a href="#L-426"></a> title = redirect <a href="#L-427"></a> end <a href="#L-428"></a> end <a href="#L-429"></a> local chunk = get_template_invocation_name(title) <a href="#L-430"></a> -- Set the fragment (if applicable). <a href="#L-431"></a> if fragment then <a href="#L-432"></a> chunk = chunk .. "#" .. fragment <a href="#L-433"></a> end <a href="#L-434"></a> chunks[n + 1] = chunk <a href="#L-435"></a> return chunks, "template" <a href="#L-436"></a> end <a href="#L-437"></a> <a href="#L-438"></a> -- Note: force_transclusion avoids incrementing the expensive parser <a href="#L-439"></a> -- function count by forcing transclusion instead. This should only be used <a href="#L-440"></a> -- when there is a real risk that the expensive parser function limit of <a href="#L-441"></a> -- 500 will be hit. <a href="#L-442"></a> local function process_name(self, frame_args, force_transclusion) <a href="#L-443"></a> local name = expand(self[1], frame_args) <a href="#L-444"></a> local has_args, norm = #self > 1 <a href="#L-445"></a> if not has_args then <a href="#L-446"></a> norm = parser_variables[name] <a href="#L-447"></a> if norm then <a href="#L-448"></a> return norm, "parser variable" <a href="#L-449"></a> end <a href="#L-450"></a> end <a href="#L-451"></a> norm = templates[name] <a href="#L-452"></a> if norm then <a href="#L-453"></a> local pf_arg1 = parser_functions[name] <a href="#L-454"></a> return norm, pf_arg1 and "parser function" or "template", pf_arg1 <a href="#L-455"></a> elseif norm == false then <a href="#L-456"></a> return nil <a href="#L-457"></a> end <a href="#L-458"></a> local chunks, subclass, pf_arg1 = parse_template_name(name, has_args, nil, force_transclusion) <a href="#L-459"></a> -- Fail if invalid. <a href="#L-460"></a> if not chunks then <a href="#L-461"></a> templates[name] = false <a href="#L-462"></a> return nil <a href="#L-463"></a> end <a href="#L-464"></a> local chunk1 = chunks[1] <a href="#L-465"></a> -- Fail on SUBST:. <a href="#L-466"></a> if chunk1 == "SUBST:" then <a href="#L-467"></a> templates[name] = false <a href="#L-468"></a> return nil <a href="#L-469"></a> -- Any modifiers are ignored. <a href="#L-470"></a> elseif subclass == "parser function" then <a href="#L-471"></a> local pf = chunks[#chunks] <a href="#L-472"></a> templates[name] = pf <a href="#L-473"></a> parser_functions[name] = pf_arg1 <a href="#L-474"></a> return pf, "parser function", pf_arg1 <a href="#L-475"></a> end <a href="#L-476"></a> -- Ignore SAFESUBST:, and treat MSGNW: as a parser function with the pagename as its first argument (ignoring any RAW: that comes after). <a href="#L-477"></a> if chunks[chunk1 == "SAFESUBST:" and 2 or 1] == "MSGNW:" then <a href="#L-478"></a> pf_arg1 = chunks[#chunks] <a href="#L-479"></a> local pf = "MSGNW:" <a href="#L-480"></a> templates[name] = pf <a href="#L-481"></a> parser_functions[name] = pf_arg1 <a href="#L-482"></a> return pf, "parser function", pf_arg1 <a href="#L-483"></a> end <a href="#L-484"></a> -- Ignore any remaining modifiers, as they've done their job. <a href="#L-485"></a> local output = chunks[#chunks] <a href="#L-486"></a> if subclass == "parser variable" then <a href="#L-487"></a> parser_variables[name] = output <a href="#L-488"></a> else <a href="#L-489"></a> templates[name] = output <a href="#L-490"></a> end <a href="#L-491"></a> return output, subclass <a href="#L-492"></a> end <a href="#L-493"></a> <a href="#L-494"></a> function Template:get_name(frame_args, force_transclusion) <a href="#L-495"></a> -- Only return the first return value. <a href="#L-496"></a> return (process_name(self, frame_args, force_transclusion)) <a href="#L-497"></a> end <a href="#L-498"></a> <a href="#L-499"></a> function Template:get_arguments(frame_args) <a href="#L-500"></a> local name, subclass, pf_arg1 = process_name(self, frame_args) <a href="#L-501"></a> if name == nil then <a href="#L-502"></a> return nil <a href="#L-503"></a> elseif subclass == "parser variable" then <a href="#L-504"></a> return {} <a href="#L-505"></a> end <a href="#L-506"></a> local template_args = {} <a href="#L-507"></a> if subclass == "parser function" then <a href="#L-508"></a> template_args[1] = pf_arg1 <a href="#L-509"></a> for i = 2, #self do <a href="#L-510"></a> template_args[i] = expand(self[i], frame_args) -- Not trimmed. <a href="#L-511"></a> end <a href="#L-512"></a> return template_args <a href="#L-513"></a> end <a href="#L-514"></a> local implicit = 0 <a href="#L-515"></a> for i = 2, #self do <a href="#L-516"></a> local arg = self[i] <a href="#L-517"></a> if class_else_type(arg) == "argument" then <a href="#L-518"></a> template_args[scribunto_param_key(expand(arg[1], frame_args))] = php_trim(expand(arg[2], frame_args)) <a href="#L-519"></a> else <a href="#L-520"></a> implicit = implicit + 1 <a href="#L-521"></a> template_args[implicit] = expand(arg, frame_args) -- Not trimmed. <a href="#L-522"></a> end <a href="#L-523"></a> end <a href="#L-524"></a> return template_args <a href="#L-525"></a> end <a href="#L-526"></a>end <a href="#L-527"></a> <a href="#L-528"></a>-- BIG TODO: manual template expansion. <a href="#L-529"></a>function Template:expand() <a href="#L-530"></a> return (frame or get_frame()):preprocess(tostring(self)) <a href="#L-531"></a>end <a href="#L-532"></a> <a href="#L-533"></a>local Tag = Node:new_class("tag") <a href="#L-534"></a> <a href="#L-535"></a>do <a href="#L-536"></a> local php_htmlspecialchars_data <a href="#L-537"></a> <a href="#L-538"></a> local function get_php_htmlspecialchars_data() <a href="#L-539"></a> php_htmlspecialchars_data, get_php_htmlspecialchars_data = (data or get_data()).php_htmlspecialchars, nil <a href="#L-540"></a> return php_htmlspecialchars_data <a href="#L-541"></a> end <a href="#L-542"></a> <a href="#L-543"></a> local function php_htmlspecialchars(str, compat) <a href="#L-544"></a> return (gsub(str, compat and "[&\"<>]" or "[&\"'<>]", php_htmlspecialchars_data or get_php_htmlspecialchars_data())) <a href="#L-545"></a> end <a href="#L-546"></a> <a href="#L-547"></a> function Tag:__tostring() <a href="#L-548"></a> local open_tag, attributes, n = {"<", self.name}, self:get_attributes(), 2 <a href="#L-549"></a> for attr, value in next, attributes do <a href="#L-550"></a> n = n + 1 <a href="#L-551"></a> open_tag[n] = " " .. php_htmlspecialchars(attr) .. "=\"" .. php_htmlspecialchars(value, true) .. "\"" <a href="#L-552"></a> end <a href="#L-553"></a> if self.self_closing then <a href="#L-554"></a> return concat(open_tag) .. "/>" <a href="#L-555"></a> end <a href="#L-556"></a> return concat(open_tag) .. ">" .. concat(self) .. "</" .. self.name .. ">" <a href="#L-557"></a> end <a href="#L-558"></a> <a href="#L-559"></a> local valid_attribute_name <a href="#L-560"></a> <a href="#L-561"></a> local function get_valid_attribute_name() <a href="#L-562"></a> valid_attribute_name, get_valid_attribute_name = (data or get_data()).valid_attribute_name, nil <a href="#L-563"></a> return valid_attribute_name <a href="#L-564"></a> end <a href="#L-565"></a> <a href="#L-566"></a> function Tag:get_attributes() <a href="#L-567"></a> local raw = self.attributes <a href="#L-568"></a> if not raw then <a href="#L-569"></a> self.attributes = {} <a href="#L-570"></a> return self.attributes <a href="#L-571"></a> elseif type(raw) == "table" then <a href="#L-572"></a> return raw <a href="#L-573"></a> end <a href="#L-574"></a> if sub(raw, -1) == "/" then <a href="#L-575"></a> raw = sub(raw, 1, -2) <a href="#L-576"></a> end <a href="#L-577"></a> local attributes, head = {}, 1 <a href="#L-578"></a> -- Semi-manual implementation of the native regex. <a href="#L-579"></a> while true do <a href="#L-580"></a> local name, loc = match(raw, "([^\t\n\f\r />][^\t\n\f\r /=>]*)()", head) <a href="#L-581"></a> if not name then <a href="#L-582"></a> break <a href="#L-583"></a> end <a href="#L-584"></a> head = loc <a href="#L-585"></a> local value <a href="#L-586"></a> loc = match(raw, "^[\t\n\f\r ]*=[\t\n\f\r ]*()", head) <a href="#L-587"></a> if loc then <a href="#L-588"></a> head = loc <a href="#L-589"></a> -- Either "", '' or the value ends on a space/at the end. Missing <a href="#L-590"></a> -- end quotes are repaired by closing the value at the end. <a href="#L-591"></a> value, loc = match(raw, "^\"([^\"]*)\"?()", head) <a href="#L-592"></a> if not value then <a href="#L-593"></a> value, loc = match(raw, "^'([^']*)'?()", head) <a href="#L-594"></a> if not value then <a href="#L-595"></a> value, loc = match(raw, "^([^\t\n\f\r ]*)()", head) <a href="#L-596"></a> end <a href="#L-597"></a> end <a href="#L-598"></a> head = loc <a href="#L-599"></a> end <a href="#L-600"></a> -- valid_attribute_name is a pattern matching a valid attribute name. <a href="#L-601"></a> -- Defined in the data due to its length - see there for more info. <a href="#L-602"></a> if umatch(name, valid_attribute_name or get_valid_attribute_name()) then <a href="#L-603"></a> -- Sanitizer applies PHP strtolower (ASCII-only). <a href="#L-604"></a> attributes[lower(name)] = value and decode_entities( <a href="#L-605"></a> php_trim((gsub(value, "[\t\n\r ]+", " "))) <a href="#L-606"></a> ) or "" <a href="#L-607"></a> end <a href="#L-608"></a> end <a href="#L-609"></a> self.attributes = attributes <a href="#L-610"></a> return attributes <a href="#L-611"></a> end <a href="#L-612"></a>end <a href="#L-613"></a> <a href="#L-614"></a>function Tag:expand() <a href="#L-615"></a> return (frame or get_frame()):preprocess(tostring(self)) <a href="#L-616"></a>end <a href="#L-617"></a> <a href="#L-618"></a>local Heading = Node:new_class("heading") <a href="#L-619"></a> <a href="#L-620"></a>function Heading:new(this) <a href="#L-621"></a> if #this > 1 then <a href="#L-622"></a> local success, str = pcall(concat, this) <a href="#L-623"></a> if success then <a href="#L-624"></a> return Node.new(self, { <a href="#L-625"></a> str, <a href="#L-626"></a> level = this.level, <a href="#L-627"></a> section = this.section, <a href="#L-628"></a> index = this.index <a href="#L-629"></a> }) <a href="#L-630"></a> end <a href="#L-631"></a> end <a href="#L-632"></a> return Node.new(self, this) <a href="#L-633"></a>end <a href="#L-634"></a> <a href="#L-635"></a>function Heading:__tostring() <a href="#L-636"></a> local eq = rep("=", self.level) <a href="#L-637"></a> return eq .. Node.__tostring(self) .. eq <a href="#L-638"></a>end <a href="#L-639"></a> <a href="#L-640"></a>do <a href="#L-641"></a> local expand_node = Node.expand <a href="#L-642"></a> <a href="#L-643"></a> -- Expanded heading names can contain "\n" (e.g. inside nowiki tags), which <a href="#L-644"></a> -- causes any heading containing them to fail. However, in such cases, the <a href="#L-645"></a> -- native parser still treats it as a heading for the purpose of section <a href="#L-646"></a> -- numbers. <a href="#L-647"></a> local function validate_name(self, frame_args) <a href="#L-648"></a> local name = expand_node(self, frame_args) <a href="#L-649"></a> if find(name, "\n", 1, true) then <a href="#L-650"></a> return nil <a href="#L-651"></a> end <a href="#L-652"></a> return name <a href="#L-653"></a> end <a href="#L-654"></a> <a href="#L-655"></a> function Heading:get_name(frame_args) <a href="#L-656"></a> local name = validate_name(self, frame_args) <a href="#L-657"></a> return name ~= nil and php_trim(name) or nil <a href="#L-658"></a> end <a href="#L-659"></a> <a href="#L-660"></a> -- FIXME: account for anchor disambiguation. <a href="#L-661"></a> function Heading:get_anchor(frame_args) <a href="#L-662"></a> local name = validate_name(self, frame_args) <a href="#L-663"></a> return name ~= nil and decode_entities(anchor_encode(name)) or nil <a href="#L-664"></a> end <a href="#L-665"></a> <a href="#L-666"></a> function Heading:expand(frame_args) <a href="#L-667"></a> local eq = rep("=", self.level) <a href="#L-668"></a> return eq .. expand_node(self, frame_args) .. eq <a href="#L-669"></a> end <a href="#L-670"></a>end <a href="#L-671"></a> <a href="#L-672"></a>------------------------------------------------------------------------------------ <a href="#L-673"></a>-- <a href="#L-674"></a>-- Parser <a href="#L-675"></a>-- <a href="#L-676"></a>------------------------------------------------------------------------------------ <a href="#L-677"></a> <a href="#L-678"></a>function Parser:read(i, j) <a href="#L-679"></a> local head, i = self.head, i or 0 <a href="#L-680"></a> return sub(self.text, head + i, head + (j or i)) <a href="#L-681"></a>end <a href="#L-682"></a> <a href="#L-683"></a>function Parser:advance(n) <a href="#L-684"></a> self.head = self.head + (n or self[-1].step or 1) <a href="#L-685"></a>end <a href="#L-686"></a> <a href="#L-687"></a>function Parser:jump(head) <a href="#L-688"></a> self.head = head <a href="#L-689"></a> self[-1].nxt = nil <a href="#L-690"></a>end <a href="#L-691"></a> <a href="#L-692"></a>function Parser:set_pattern(pattern) <a href="#L-693"></a> local layer = self[-1] <a href="#L-694"></a> layer.pattern = pattern <a href="#L-695"></a> layer.nxt = nil <a href="#L-696"></a>end <a href="#L-697"></a> <a href="#L-698"></a>function Parser:consume() <a href="#L-699"></a> local layer = self[-1] <a href="#L-700"></a> local this = layer.nxt <a href="#L-701"></a> if this then <a href="#L-702"></a> layer.nxt = nil <a href="#L-703"></a> else <a href="#L-704"></a> local text, head = self.text, self.head <a href="#L-705"></a> local loc1, loc2 = find(text, layer.pattern, head) <a href="#L-706"></a> if loc1 == head or not loc1 then <a href="#L-707"></a> this = sub(text, head, loc2) <a href="#L-708"></a> else <a href="#L-709"></a> this = sub(text, head, loc1 - 1) <a href="#L-710"></a> layer.nxt = sub(text, loc1, loc2) <a href="#L-711"></a> end <a href="#L-712"></a> end <a href="#L-713"></a> layer.step = #this <a href="#L-714"></a> return layer.handler(self, this) <a href="#L-715"></a>end <a href="#L-716"></a> <a href="#L-717"></a>-- Template or parameter. <a href="#L-718"></a> <a href="#L-719"></a>-- Parsed by matching the opening braces innermost-to-outermost (ignoring lone closing braces). Parameters {{{ }}} take priority over templates {{ }} where possible, but a double closing brace will always result in a closure, even if there are 3+ opening braces. <a href="#L-720"></a> <a href="#L-721"></a>-- For example, "{{{{foo}}}}" (4) is parsed as a parameter enclosed by single braces, and "{{{{{foo}}}}}" (5) is a parameter inside a template. However, "{{{{{foo }} }}}" is a template inside a parameter, due to "}}" forcing the closure of the inner node. <a href="#L-722"></a>do <a href="#L-723"></a> -- Handlers. <a href="#L-724"></a> local handle_name <a href="#L-725"></a> local handle_argument <a href="#L-726"></a> <a href="#L-727"></a> local function do_template_or_parameter(self, inner_node) <a href="#L-728"></a> self:push_sublayer(handle_name) <a href="#L-729"></a> self:set_pattern("[\n<[{|}]") <a href="#L-730"></a> -- If a node has already been parsed, nest it at the start of the new <a href="#L-731"></a> -- outer node (e.g. when parsing"{{{{foo}}bar}}", the template "{{foo}}" <a href="#L-732"></a> -- is parsed first, since it's the innermost, and becomes the first <a href="#L-733"></a> -- node of the outer template. <a href="#L-734"></a> if inner_node then <a href="#L-735"></a> self:emit(inner_node) <a href="#L-736"></a> end <a href="#L-737"></a> end <a href="#L-738"></a> <a href="#L-739"></a> function handle_name(self, ...) <a href="#L-740"></a> handle_name = self:switch(handle_name, { <a href="#L-741"></a> ["\n"] = Parser.heading_block, <a href="#L-742"></a> ["<"] = Parser.tag, <a href="#L-743"></a> ["["] = Parser.wikilink_block, <a href="#L-744"></a> ["{"] = Parser.braces, <a href="#L-745"></a> <a href="#L-746"></a> ["|"] = function(self) <a href="#L-747"></a> self:emit(Wikitext:new(self:pop_sublayer())) <a href="#L-748"></a> self:push_sublayer(handle_argument) <a href="#L-749"></a> self:set_pattern("[\n<=[{|}]") <a href="#L-750"></a> end, <a href="#L-751"></a> <a href="#L-752"></a> ["}"] = function(self) <a href="#L-753"></a> if self:read(1) == "}" then <a href="#L-754"></a> self:emit(Wikitext:new(self:pop_sublayer())) <a href="#L-755"></a> return self:pop() <a href="#L-756"></a> end <a href="#L-757"></a> self:emit("}") <a href="#L-758"></a> end, <a href="#L-759"></a> <a href="#L-760"></a> [""] = Parser.fail_route, <a href="#L-761"></a> [false] = Parser.emit <a href="#L-762"></a> }) <a href="#L-763"></a> return handle_name(self, ...) <a href="#L-764"></a> end <a href="#L-765"></a> <a href="#L-766"></a> function handle_argument(self, ...) <a href="#L-767"></a> local function emit_argument(self) <a href="#L-768"></a> local arg = Wikitext:new(self:pop_sublayer()) <a href="#L-769"></a> local layer = self[-1] <a href="#L-770"></a> local key = layer.key <a href="#L-771"></a> if key then <a href="#L-772"></a> arg = Argument:new{key, arg} <a href="#L-773"></a> layer.key = nil <a href="#L-774"></a> end <a href="#L-775"></a> self:emit(arg) <a href="#L-776"></a> end <a href="#L-777"></a> <a href="#L-778"></a> handle_argument = self:switch(handle_argument, { <a href="#L-779"></a> ["\n"] = function(self) <a href="#L-780"></a> return self:heading_block("\n", self[-1].key and "=" or "==") <a href="#L-781"></a> end, <a href="#L-782"></a> <a href="#L-783"></a> ["<"] = Parser.tag, <a href="#L-784"></a> <a href="#L-785"></a> ["="] = function(self) <a href="#L-786"></a> local key = Wikitext:new(self:pop_sublayer()) <a href="#L-787"></a> self[-1].key = key <a href="#L-788"></a> self:push_sublayer(handle_argument) <a href="#L-789"></a> self:set_pattern("[\n<[{|}]") <a href="#L-790"></a> end, <a href="#L-791"></a> <a href="#L-792"></a> ["["] = Parser.wikilink_block, <a href="#L-793"></a> ["{"] = Parser.braces, <a href="#L-794"></a> <a href="#L-795"></a> ["|"] = function(self) <a href="#L-796"></a> emit_argument(self) <a href="#L-797"></a> self:push_sublayer(handle_argument) <a href="#L-798"></a> self:set_pattern("[\n<=[{|}]") <a href="#L-799"></a> end, <a href="#L-800"></a> <a href="#L-801"></a> ["}"] = function(self) <a href="#L-802"></a> if self:read(1) == "}" then <a href="#L-803"></a> emit_argument(self) <a href="#L-804"></a> return self:pop() <a href="#L-805"></a> end <a href="#L-806"></a> self:emit("}") <a href="#L-807"></a> end, <a href="#L-808"></a> <a href="#L-809"></a> [""] = Parser.fail_route, <a href="#L-810"></a> [false] = Parser.emit <a href="#L-811"></a> }) <a href="#L-812"></a> return handle_argument(self, ...) <a href="#L-813"></a> end <a href="#L-814"></a> <a href="#L-815"></a> function Parser:template_or_parameter() <a href="#L-816"></a> local text, head, node_to_emit, failed = self.text, self.head <a href="#L-817"></a> -- Comments/tags interrupt the brace count. <a href="#L-818"></a> local braces = match(text, "^{+()", head) - head <a href="#L-819"></a> self:advance(braces) <a href="#L-820"></a> while true do <a href="#L-821"></a> local success, node = self:try(do_template_or_parameter, node_to_emit) <a href="#L-822"></a> -- Fail means no "}}" or "}}}" was found, so emit any remaining <a href="#L-823"></a> -- unmatched opening braces before any templates/parameters that <a href="#L-824"></a> -- were found. <a href="#L-825"></a> if not success then <a href="#L-826"></a> self:emit(rep("{", braces)) <a href="#L-827"></a> failed = true <a href="#L-828"></a> break <a href="#L-829"></a> -- If there are 3+ opening and closing braces, it's a parameter. <a href="#L-830"></a> elseif braces >= 3 and self:read(2) == "}" then <a href="#L-831"></a> self:advance(3) <a href="#L-832"></a> braces = braces - 3 <a href="#L-833"></a> node = Parameter:new(node) <a href="#L-834"></a> -- Otherwise, it's a template. <a href="#L-835"></a> else <a href="#L-836"></a> self:advance(2) <a href="#L-837"></a> braces = braces - 2 <a href="#L-838"></a> node = Template:new(node) <a href="#L-839"></a> end <a href="#L-840"></a> local index = head + braces <a href="#L-841"></a> node.index = index <a href="#L-842"></a> node.raw = sub(text, index, self.head - 1) <a href="#L-843"></a> node_to_emit = node <a href="#L-844"></a> -- Terminate once not enough braces remain for further matches. <a href="#L-845"></a> if braces == 0 then <a href="#L-846"></a> break <a href="#L-847"></a> -- Emit any stray opening brace before any matched nodes. <a href="#L-848"></a> elseif braces == 1 then <a href="#L-849"></a> self:emit("{") <a href="#L-850"></a> break <a href="#L-851"></a> end <a href="#L-852"></a> end <a href="#L-853"></a> if node_to_emit then <a href="#L-854"></a> self:emit(node_to_emit) <a href="#L-855"></a> end <a href="#L-856"></a> return braces, failed <a href="#L-857"></a> end <a href="#L-858"></a>end <a href="#L-859"></a> <a href="#L-860"></a>-- Tag. <a href="#L-861"></a>do <a href="#L-862"></a> local end_tags <a href="#L-863"></a> <a href="#L-864"></a> local function get_end_tags() <a href="#L-865"></a> end_tags, get_end_tags = (data or get_data()).end_tags, nil <a href="#L-866"></a> return end_tags <a href="#L-867"></a> end <a href="#L-868"></a> <a href="#L-869"></a> -- Handlers. <a href="#L-870"></a> local handle_start <a href="#L-871"></a> local handle_tag <a href="#L-872"></a> <a href="#L-873"></a> local function do_tag(self) <a href="#L-874"></a> local layer = self[-1] <a href="#L-875"></a> layer.handler, layer.index = handle_start, self.head <a href="#L-876"></a> self:set_pattern("[%s/>]") <a href="#L-877"></a> self:advance() <a href="#L-878"></a> end <a href="#L-879"></a> <a href="#L-880"></a> local function is_ignored_tag(self, this) <a href="#L-881"></a> if self.transcluded then <a href="#L-882"></a> return this == "includeonly" <a href="#L-883"></a> end <a href="#L-884"></a> return this == "noinclude" or this == "onlyinclude" <a href="#L-885"></a> end <a href="#L-886"></a> <a href="#L-887"></a> local function ignored_tag(self, text, head) <a href="#L-888"></a> local loc = find(text, ">", head, true) <a href="#L-889"></a> if not loc then <a href="#L-890"></a> return self:fail_route() <a href="#L-891"></a> end <a href="#L-892"></a> self:jump(loc) <a href="#L-893"></a> local tag = self:pop() <a href="#L-894"></a> tag.ignored = true <a href="#L-895"></a> return tag <a href="#L-896"></a> end <a href="#L-897"></a> <a href="#L-898"></a> function handle_start(self, this) <a href="#L-899"></a> if this == "/" then <a href="#L-900"></a> local text, head = self.text, self.head + 1 <a href="#L-901"></a> local this = match(text, "^[^%s/>]+", head) <a href="#L-902"></a> if this and is_ignored_tag(self, lower(this)) then <a href="#L-903"></a> head = head + #this <a href="#L-904"></a> if not match(text, "^/[^>]", head) then <a href="#L-905"></a> return ignored_tag(self, text, head) <a href="#L-906"></a> end <a href="#L-907"></a> end <a href="#L-908"></a> return self:fail_route() <a href="#L-909"></a> elseif this == "" then <a href="#L-910"></a> return self:fail_route() <a href="#L-911"></a> end <a href="#L-912"></a> -- Tags are only case-insensitive with ASCII characters. <a href="#L-913"></a> local raw_name = this <a href="#L-914"></a> this = lower(this) <a href="#L-915"></a> local end_tag_pattern = (end_tags or get_end_tags())[this] <a href="#L-916"></a> if not end_tag_pattern then -- Validity check. <a href="#L-917"></a> return self:fail_route() <a href="#L-918"></a> end <a href="#L-919"></a> local layer = self[-1] <a href="#L-920"></a> local text, head = self.text, self.head + layer.step <a href="#L-921"></a> if match(text, "^/[^>]", head) then <a href="#L-922"></a> return self:fail_route() <a href="#L-923"></a> elseif is_ignored_tag(self, this) then <a href="#L-924"></a> return ignored_tag(self, text, head) <a href="#L-925"></a> -- If an onlyinclude tag is not ignored (and cannot be active since it <a href="#L-926"></a> -- would have triggered special handling earlier), it must be plaintext. <a href="#L-927"></a> elseif this == "onlyinclude" then <a href="#L-928"></a> return self:fail_route() <a href="#L-929"></a> elseif this == "noinclude" or this == "includeonly" then <a href="#L-930"></a> layer.ignored = true -- Ignored block. <a href="#L-931"></a> layer.raw_name = raw_name <a href="#L-932"></a> end <a href="#L-933"></a> layer.name, layer.handler, layer.end_tag_pattern = this, handle_tag, end_tag_pattern <a href="#L-934"></a> self:set_pattern(">") <a href="#L-935"></a> end <a href="#L-936"></a> <a href="#L-937"></a> function handle_tag(self, this) <a href="#L-938"></a> if this == "" then <a href="#L-939"></a> return self:fail_route() <a href="#L-940"></a> elseif this ~= ">" then <a href="#L-941"></a> self[-1].attributes = this <a href="#L-942"></a> return <a href="#L-943"></a> elseif self:read(-1) == "/" then <a href="#L-944"></a> self[-1].self_closing = true <a href="#L-945"></a> return self:pop() <a href="#L-946"></a> end <a href="#L-947"></a> local text, head, layer = self.text, self.head + 1, self[-1] <a href="#L-948"></a> local loc1, loc2 = find(text, layer.end_tag_pattern, head) <a href="#L-949"></a> if loc1 then <a href="#L-950"></a> if loc1 > head then <a href="#L-951"></a> self:emit(sub(text, head, loc1 - 1)) <a href="#L-952"></a> end <a href="#L-953"></a> self:jump(loc2) <a href="#L-954"></a> return self:pop() <a href="#L-955"></a> -- noinclude and includeonly will tolerate having no closing tag, but <a href="#L-956"></a> -- only if given in lowercase. This is due to a preprocessor bug, as <a href="#L-957"></a> -- it uses a regex with the /i (case-insensitive) flag to check for <a href="#L-958"></a> -- end tags, but a simple array lookup with lowercase tag names when <a href="#L-959"></a> -- looking up which tags should tolerate no closing tag (exact match <a href="#L-960"></a> -- only, so case-sensitive). <a href="#L-961"></a> elseif layer.ignored then <a href="#L-962"></a> local raw_name = layer.raw_name <a href="#L-963"></a> if raw_name == "noinclude" or raw_name == "includeonly" then <a href="#L-964"></a> self:jump(#text) <a href="#L-965"></a> return self:pop() <a href="#L-966"></a> end <a href="#L-967"></a> end <a href="#L-968"></a> return self:fail_route() <a href="#L-969"></a> end <a href="#L-970"></a> <a href="#L-971"></a> function Parser:tag() <a href="#L-972"></a> -- HTML comment. <a href="#L-973"></a> if self:read(1, 3) == "!--" then <a href="#L-974"></a> local text = self.text <a href="#L-975"></a> self:jump(select(2, find(text, "-->", self.head + 4, true)) or #text) <a href="#L-976"></a> -- onlyinclude tags (which must be lowercase with no whitespace). <a href="#L-977"></a> elseif self.onlyinclude and self:read(1, 13) == "/onlyinclude>" then <a href="#L-978"></a> local text = self.text <a href="#L-979"></a> self:jump(select(2, find(text, "<onlyinclude>", self.head + 14, true)) or #text) <a href="#L-980"></a> else <a href="#L-981"></a> local success, tag = self:try(do_tag) <a href="#L-982"></a> if not success then <a href="#L-983"></a> self:emit("<") <a href="#L-984"></a> elseif not tag.ignored then <a href="#L-985"></a> tag.end_tag_pattern = nil <a href="#L-986"></a> self:emit(Tag:new(tag)) <a href="#L-987"></a> end <a href="#L-988"></a> end <a href="#L-989"></a> end <a href="#L-990"></a>end <a href="#L-991"></a> <a href="#L-992"></a>-- Heading. <a href="#L-993"></a>-- The preparser assigns each heading a number, which is used for things like section edit links. The preparser will only do this for heading blocks which aren't nested inside templates, parameters and parser tags. In some cases (e.g. when template blocks contain untrimmed newlines), a preparsed heading may not be treated as a heading in the final output. That does not affect the preparser, however, which will always count sections based on the preparser heading count, since it can't know what a template's final output will be. <a href="#L-994"></a>do <a href="#L-995"></a> -- Handlers. <a href="#L-996"></a> local handle_start <a href="#L-997"></a> local handle_body <a href="#L-998"></a> local handle_possible_end <a href="#L-999"></a> <a href="#L-1000"></a> local function do_heading(self) <a href="#L-1001"></a> local layer, head = self[-1], self.head <a href="#L-1002"></a> layer.handler, layer.index = handle_start, head <a href="#L-1003"></a> self:set_pattern("[\t\n ]") <a href="#L-1004"></a> -- Comments/tags interrupt the equals count. <a href="#L-1005"></a> local eq = match(self.text, "^=+()", head) - head <a href="#L-1006"></a> layer.level = eq <a href="#L-1007"></a> self:advance(eq) <a href="#L-1008"></a> end <a href="#L-1009"></a> <a href="#L-1010"></a> local function do_heading_possible_end(self) <a href="#L-1011"></a> local layer = self[-1] <a href="#L-1012"></a> layer.handler = handle_possible_end <a href="#L-1013"></a> self:set_pattern("[\n<]") <a href="#L-1014"></a> end <a href="#L-1015"></a> <a href="#L-1016"></a> function handle_start(self, ...) <a href="#L-1017"></a> -- ===== is "=" as an L2; ======== is "==" as an L3 etc. <a href="#L-1018"></a> local function newline(self) <a href="#L-1019"></a> local layer = self[-1] <a href="#L-1020"></a> local eq = layer.level <a href="#L-1021"></a> if eq <= 2 then <a href="#L-1022"></a> return self:fail_route() <a href="#L-1023"></a> end <a href="#L-1024"></a> -- Calculate which equals signs determine the heading level. <a href="#L-1025"></a> local level_eq = eq - (2 - eq % 2) <a href="#L-1026"></a> level_eq = level_eq > 12 and 12 or level_eq <a href="#L-1027"></a> -- Emit the excess. <a href="#L-1028"></a> self:emit(rep("=", eq - level_eq)) <a href="#L-1029"></a> layer.level = level_eq / 2 <a href="#L-1030"></a> return self:pop() <a href="#L-1031"></a> end <a href="#L-1032"></a> <a href="#L-1033"></a> local function whitespace(self) <a href="#L-1034"></a> local success, possible_end = self:try(do_heading_possible_end) <a href="#L-1035"></a> if success then <a href="#L-1036"></a> self:emit(Wikitext:new(possible_end)) <a href="#L-1037"></a> local layer = self[-1] <a href="#L-1038"></a> layer.handler = handle_body <a href="#L-1039"></a> self:set_pattern("[\n<=[{]") <a href="#L-1040"></a> return self:consume() <a href="#L-1041"></a> end <a href="#L-1042"></a> return newline(self) <a href="#L-1043"></a> end <a href="#L-1044"></a> <a href="#L-1045"></a> handle_start = self:switch(handle_start, { <a href="#L-1046"></a> ["\t"] = whitespace, <a href="#L-1047"></a> ["\n"] = newline, <a href="#L-1048"></a> [" "] = whitespace, <a href="#L-1049"></a> [""] = newline, <a href="#L-1050"></a> <a href="#L-1051"></a> [false] = function(self) <a href="#L-1052"></a> -- Emit any excess = signs once we know it's a conventional heading. Up till now, we couldn't know if the heading is just a string of = signs (e.g. ========), so it wasn't guaranteed that the heading text starts after the 6th. <a href="#L-1053"></a> local layer = self[-1] <a href="#L-1054"></a> local eq = layer.level <a href="#L-1055"></a> if eq > 6 then <a href="#L-1056"></a> self:emit(1, rep("=", eq - 6)) <a href="#L-1057"></a> layer.level = 6 <a href="#L-1058"></a> end <a href="#L-1059"></a> layer.handler = handle_body <a href="#L-1060"></a> self:set_pattern("[\n<=[{]") <a href="#L-1061"></a> return self:consume() <a href="#L-1062"></a> end <a href="#L-1063"></a> }) <a href="#L-1064"></a> return handle_start(self, ...) <a href="#L-1065"></a> end <a href="#L-1066"></a> <a href="#L-1067"></a> function handle_body(self, ...) <a href="#L-1068"></a> handle_body = self:switch(handle_body, { <a href="#L-1069"></a> ["\n"] = Parser.fail_route, <a href="#L-1070"></a> ["<"] = Parser.tag, <a href="#L-1071"></a> <a href="#L-1072"></a> ["="] = function(self) <a href="#L-1073"></a> -- Comments/tags interrupt the equals count. <a href="#L-1074"></a> local eq = match(self.text, "^=+", self.head) <a href="#L-1075"></a> local eq_len = #eq <a href="#L-1076"></a> self:advance(eq_len) <a href="#L-1077"></a> local success, possible_end = self:try(do_heading_possible_end) <a href="#L-1078"></a> if success then <a href="#L-1079"></a> self:emit(eq) <a href="#L-1080"></a> self:emit(Wikitext:new(possible_end)) <a href="#L-1081"></a> return self:consume() <a href="#L-1082"></a> end <a href="#L-1083"></a> local layer = self[-1] <a href="#L-1084"></a> local level = layer.level <a href="#L-1085"></a> if eq_len > level then <a href="#L-1086"></a> self:emit(rep("=", eq_len - level)) <a href="#L-1087"></a> elseif level > eq_len then <a href="#L-1088"></a> layer.level = eq_len <a href="#L-1089"></a> self:emit(1, rep("=", level - eq_len)) <a href="#L-1090"></a> end <a href="#L-1091"></a> return self:pop() <a href="#L-1092"></a> end, <a href="#L-1093"></a> <a href="#L-1094"></a> ["["] = Parser.wikilink_block, <a href="#L-1095"></a> <a href="#L-1096"></a> ["{"] = function(self, this) <a href="#L-1097"></a> return self:braces("{", true) <a href="#L-1098"></a> end, <a href="#L-1099"></a> <a href="#L-1100"></a> [""] = Parser.fail_route, <a href="#L-1101"></a> [false] = Parser.emit <a href="#L-1102"></a> }) <a href="#L-1103"></a> return handle_body(self, ...) <a href="#L-1104"></a> end <a href="#L-1105"></a> <a href="#L-1106"></a> function handle_possible_end(self, ...) <a href="#L-1107"></a> handle_possible_end = self:switch(handle_possible_end, { <a href="#L-1108"></a> ["\n"] = Parser.fail_route, <a href="#L-1109"></a> <a href="#L-1110"></a> ["<"] = function(self) <a href="#L-1111"></a> if self:read(1, 3) ~= "!--" then <a href="#L-1112"></a> return self:pop() <a href="#L-1113"></a> end <a href="#L-1114"></a> local head = select(2, find(self.text, "-->", self.head + 4, true)) <a href="#L-1115"></a> if not head then <a href="#L-1116"></a> return self:pop() <a href="#L-1117"></a> end <a href="#L-1118"></a> self:jump(head) <a href="#L-1119"></a> end, <a href="#L-1120"></a> <a href="#L-1121"></a> [""] = Parser.fail_route, <a href="#L-1122"></a> <a href="#L-1123"></a> [false] = function(self, this) <a href="#L-1124"></a> if not match(this, "^[\t ]+()$") then <a href="#L-1125"></a> return self:pop() <a href="#L-1126"></a> end <a href="#L-1127"></a> self:emit(this) <a href="#L-1128"></a> end <a href="#L-1129"></a> }) <a href="#L-1130"></a> return handle_possible_end(self, ...) <a href="#L-1131"></a> end <a href="#L-1132"></a> <a href="#L-1133"></a> function Parser:heading() <a href="#L-1134"></a> local success, heading = self:try(do_heading) <a href="#L-1135"></a> if success then <a href="#L-1136"></a> local section = self.section + 1 <a href="#L-1137"></a> heading.section = section <a href="#L-1138"></a> self.section = section <a href="#L-1139"></a> self:emit(Heading:new(heading)) <a href="#L-1140"></a> return self:consume() <a href="#L-1141"></a> else <a href="#L-1142"></a> self:emit("=") <a href="#L-1143"></a> end <a href="#L-1144"></a> end <a href="#L-1145"></a>end <a href="#L-1146"></a> <a href="#L-1147"></a>------------------------------------------------------------------------------------ <a href="#L-1148"></a>-- <a href="#L-1149"></a>-- Block handlers <a href="#L-1150"></a>-- <a href="#L-1151"></a>------------------------------------------------------------------------------------ <a href="#L-1152"></a> <a href="#L-1153"></a>-- Block handlers. <a href="#L-1154"></a> <a href="#L-1155"></a>-- These are blocks which can affect template/parameter parsing, since they're also parsed by Parsoid at the same time (even though they aren't processed until later). <a href="#L-1156"></a> <a href="#L-1157"></a>-- All blocks (including templates/parameters) can nest inside each other, but an inner block must be closed before the outer block which contains it. This is why, for example, the wikitext "{{template| [[ }}" will result in an unprocessed template, since the inner "[[" is treated as the opening of a wikilink block, which prevents "}}" from being treated as the closure of the template block. On the other hand, "{{template| [[ ]] }}" will process correctly, since the wikilink block is closed before the template closure. It makes no difference whether the block will be treated as valid or not when it's processed later on, so "{{template| [[ }} ]] }}" would also work, even though "[[ }} ]]" is not a valid wikilink. <a href="#L-1158"></a> <a href="#L-1159"></a>-- Note that nesting also affects pipes and equals signs, in addition to block closures. <a href="#L-1160"></a> <a href="#L-1161"></a>-- These blocks can be nested to any degree, so "{{template| [[ [[ [[ ]] }}" will not work, since only one of the three wikilink blocks has been closed. On the other hand, "{{template| [[ [[ [[ ]] ]] ]] }}" will work. <a href="#L-1162"></a> <a href="#L-1163"></a>-- All blocks are implicitly closed by the end of the text, since their validity is irrelevant at this stage. <a href="#L-1164"></a> <a href="#L-1165"></a>-- Language conversion block. <a href="#L-1166"></a>-- Opens with "-{" and closes with "}-". However, templates/parameters take priority, so "-{{" is parsed as "-" followed by the opening of a template/parameter block (depending on what comes after). <a href="#L-1167"></a>-- Note: Language conversion blocks aren't actually enabled on the English Wiktionary, but Parsoid still parses them at this stage, so they can affect the closure of outer blocks: e.g. "[[ -{ ]]" is not a valid wikilink block, since the "]]" falls inside the new language conversion block. <a href="#L-1168"></a>do <a href="#L-1169"></a> --Handler. <a href="#L-1170"></a> local handle_language_conversion_block <a href="#L-1171"></a> <a href="#L-1172"></a> local function do_language_conversion_block(self) <a href="#L-1173"></a> local layer = self[-1] <a href="#L-1174"></a> layer.handler = handle_language_conversion_block <a href="#L-1175"></a> self:set_pattern("[\n<[{}]") <a href="#L-1176"></a> end <a href="#L-1177"></a> <a href="#L-1178"></a> function handle_language_conversion_block(self, ...) <a href="#L-1179"></a> handle_language_conversion_block = self:switch(handle_language_conversion_block, { <a href="#L-1180"></a> ["\n"] = Parser.heading_block, <a href="#L-1181"></a> ["<"] = Parser.tag, <a href="#L-1182"></a> ["["] = Parser.wikilink_block, <a href="#L-1183"></a> ["{"] = Parser.braces, <a href="#L-1184"></a> <a href="#L-1185"></a> ["}"] = function(self) <a href="#L-1186"></a> if self:read(1) == "-" then <a href="#L-1187"></a> self:emit("}-") <a href="#L-1188"></a> self:advance() <a href="#L-1189"></a> return self:pop() <a href="#L-1190"></a> end <a href="#L-1191"></a> self:emit("}") <a href="#L-1192"></a> end, <a href="#L-1193"></a> <a href="#L-1194"></a> [""] = Parser.pop, <a href="#L-1195"></a> [false] = Parser.emit <a href="#L-1196"></a> }) <a href="#L-1197"></a> return handle_language_conversion_block(self, ...) <a href="#L-1198"></a> end <a href="#L-1199"></a> <a href="#L-1200"></a> function Parser:braces(this, fail_on_unclosed_braces) <a href="#L-1201"></a> local language_conversion_block = self:read(-1) == "-" <a href="#L-1202"></a> if self:read(1) == "{" then <a href="#L-1203"></a> local braces, failed = self:template_or_parameter() <a href="#L-1204"></a> -- Headings will fail if they contain an unclosed brace block. <a href="#L-1205"></a> if failed and fail_on_unclosed_braces then <a href="#L-1206"></a> return self:fail_route() <a href="#L-1207"></a> -- Language conversion blocks cannot begin "-{{", but can begin <a href="#L-1208"></a> -- "-{{{" iff parsed as "-{" + "{{". <a href="#L-1209"></a> elseif not (language_conversion_block and braces == 1) then <a href="#L-1210"></a> return self:consume() <a href="#L-1211"></a> end <a href="#L-1212"></a> else <a href="#L-1213"></a> self:emit(this) <a href="#L-1214"></a> if not language_conversion_block then <a href="#L-1215"></a> return <a href="#L-1216"></a> end <a href="#L-1217"></a> self:advance() <a href="#L-1218"></a> end <a href="#L-1219"></a> self:emit(Wikitext:new(self:get(do_language_conversion_block))) <a href="#L-1220"></a> end <a href="#L-1221"></a>end <a href="#L-1222"></a> <a href="#L-1223"></a>--[==[ <a href="#L-1224"></a>Headings <a href="#L-1225"></a> <a href="#L-1226"></a>Opens with "\n=" (or "=" at the start of the text), and closes with "\n" or the end of the text. Note that it doesn't matter whether the heading will fail to process due to a premature newline (e.g. if there are no closing signs), so at this stage the only thing that matters for closure is the newline or end of text. <a href="#L-1227"></a> <a href="#L-1228"></a>Note: Heading blocks are only parsed like this if they occur inside a template, since they do not iterate the preparser's heading count (i.e. they aren't proper headings). <a href="#L-1229"></a> <a href="#L-1230"></a>Note 2: if directly inside a template argument with no previous equals signs, a newline followed by a single equals sign is parsed as an argument equals sign, not the opening of a new L1 heading block. This does not apply to any other heading levels. As such, {{template|key\n=}}, {{template|key\n=value}} or even {{template|\n=}} will successfully close, but {{template|key\n==}}, {{template|key=value\n=more value}}, {{template\n=}} etc. will not, since in the latter cases the "}}" would fall inside the new heading block. <a href="#L-1231"></a>]==] <a href="#L-1232"></a>do <a href="#L-1233"></a> --Handler. <a href="#L-1234"></a> local handle_heading_block <a href="#L-1235"></a> <a href="#L-1236"></a> local function do_heading_block(self) <a href="#L-1237"></a> local layer = self[-1] <a href="#L-1238"></a> layer.handler = handle_heading_block <a href="#L-1239"></a> self:set_pattern("[\n<[{]") <a href="#L-1240"></a> end <a href="#L-1241"></a> <a href="#L-1242"></a> function handle_heading_block(self, ...) <a href="#L-1243"></a> handle_heading_block = self:switch(handle_heading_block, { <a href="#L-1244"></a> ["\n"] = function(self) <a href="#L-1245"></a> self:newline() <a href="#L-1246"></a> return self:pop() <a href="#L-1247"></a> end, <a href="#L-1248"></a> <a href="#L-1249"></a> ["<"] = Parser.tag, <a href="#L-1250"></a> ["["] = Parser.wikilink_block, <a href="#L-1251"></a> ["{"] = Parser.braces, <a href="#L-1252"></a> [""] = Parser.pop, <a href="#L-1253"></a> [false] = Parser.emit <a href="#L-1254"></a> }) <a href="#L-1255"></a> return handle_heading_block(self, ...) <a href="#L-1256"></a> end <a href="#L-1257"></a> <a href="#L-1258"></a> function Parser:heading_block(this, nxt) <a href="#L-1259"></a> self:newline() <a href="#L-1260"></a> this = this .. (nxt or "=") <a href="#L-1261"></a> local loc = #this - 1 <a href="#L-1262"></a> while self:read(0, loc) == this do <a href="#L-1263"></a> self:advance() <a href="#L-1264"></a> self:emit(Wikitext:new(self:get(do_heading_block))) <a href="#L-1265"></a> end <a href="#L-1266"></a> end <a href="#L-1267"></a>end <a href="#L-1268"></a> <a href="#L-1269"></a>-- Wikilink block. <a href="#L-1270"></a>-- Opens with "[[" and closes with "]]". <a href="#L-1271"></a>do <a href="#L-1272"></a> -- Handler. <a href="#L-1273"></a> local handle_wikilink_block <a href="#L-1274"></a> <a href="#L-1275"></a> local function do_wikilink_block(self) <a href="#L-1276"></a> local layer = self[-1] <a href="#L-1277"></a> layer.handler = handle_wikilink_block <a href="#L-1278"></a> self:set_pattern("[\n<[%]{]") <a href="#L-1279"></a> end <a href="#L-1280"></a> <a href="#L-1281"></a> function handle_wikilink_block(self, ...) <a href="#L-1282"></a> handle_wikilink_block = self:switch(handle_wikilink_block, { <a href="#L-1283"></a> ["\n"] = Parser.heading_block, <a href="#L-1284"></a> ["<"] = Parser.tag, <a href="#L-1285"></a> ["["] = Parser.wikilink_block, <a href="#L-1286"></a> <a href="#L-1287"></a> ["]"] = function(self) <a href="#L-1288"></a> if self:read(1) == "]" then <a href="#L-1289"></a> self:emit("]]") <a href="#L-1290"></a> self:advance() <a href="#L-1291"></a> return self:pop() <a href="#L-1292"></a> end <a href="#L-1293"></a> self:emit("]") <a href="#L-1294"></a> end, <a href="#L-1295"></a> <a href="#L-1296"></a> ["{"] = Parser.braces, <a href="#L-1297"></a> [""] = Parser.pop, <a href="#L-1298"></a> [false] = Parser.emit <a href="#L-1299"></a> }) <a href="#L-1300"></a> return handle_wikilink_block(self, ...) <a href="#L-1301"></a> end <a href="#L-1302"></a> <a href="#L-1303"></a> function Parser:wikilink_block() <a href="#L-1304"></a> if self:read(1) == "[" then <a href="#L-1305"></a> self:emit("[[") <a href="#L-1306"></a> self:advance(2) <a href="#L-1307"></a> self:emit(Wikitext:new(self:get(do_wikilink_block))) <a href="#L-1308"></a> else <a href="#L-1309"></a> self:emit("[") <a href="#L-1310"></a> end <a href="#L-1311"></a> end <a href="#L-1312"></a>end <a href="#L-1313"></a> <a href="#L-1314"></a>-- Lines which only contain comments, " " and "\t" are eaten, so long as <a href="#L-1315"></a>-- they're bookended by "\n" (i.e. not the first or last line). <a href="#L-1316"></a>function Parser:newline() <a href="#L-1317"></a> local text, head = self.text, self.head <a href="#L-1318"></a> while true do <a href="#L-1319"></a> repeat <a href="#L-1320"></a> local loc = match(text, "^[\t ]*<!%-%-()", head + 1) <a href="#L-1321"></a> if not loc then <a href="#L-1322"></a> break <a href="#L-1323"></a> end <a href="#L-1324"></a> loc = select(2, find(text, "-->", loc, true)) <a href="#L-1325"></a> head = loc or head <a href="#L-1326"></a> until not loc <a href="#L-1327"></a> -- Fail if no comments found. <a href="#L-1328"></a> if head == self.head then <a href="#L-1329"></a> break <a href="#L-1330"></a> end <a href="#L-1331"></a> head = match(text, "^[\t ]*()\n", head + 1) <a href="#L-1332"></a> if not head then <a href="#L-1333"></a> break <a href="#L-1334"></a> end <a href="#L-1335"></a> self:jump(head) <a href="#L-1336"></a> end <a href="#L-1337"></a> self:emit("\n") <a href="#L-1338"></a>end <a href="#L-1339"></a> <a href="#L-1340"></a>do <a href="#L-1341"></a> -- Handlers. <a href="#L-1342"></a> local handle_start <a href="#L-1343"></a> local main_handler <a href="#L-1344"></a> <a href="#L-1345"></a> -- If `transcluded` is true, then the text is checked for a pair of <a href="#L-1346"></a> -- onlyinclude tags. If these are found (even if they're in the wrong <a href="#L-1347"></a> -- order), then the start of the page is treated as though it is preceded <a href="#L-1348"></a> -- by a closing onlyinclude tag. <a href="#L-1349"></a> -- Note 1: unlike other parser extension tags, onlyinclude tags are case- <a href="#L-1350"></a> -- sensitive and cannot contain whitespace. <a href="#L-1351"></a> -- Note 2: onlyinclude tags *can* be implicitly closed by the end of the <a href="#L-1352"></a> -- text, but the hard requirement above means this can only happen if <a href="#L-1353"></a> -- either the tags are in the wrong order or there are multiple onlyinclude <a href="#L-1354"></a> -- blocks. <a href="#L-1355"></a> local function do_parse(self, transcluded) <a href="#L-1356"></a> local layer = self[-1] <a href="#L-1357"></a> layer.handler = handle_start <a href="#L-1358"></a> self:set_pattern(".") <a href="#L-1359"></a> self.section = 0 <a href="#L-1360"></a> if not transcluded then <a href="#L-1361"></a> return <a href="#L-1362"></a> end <a href="#L-1363"></a> self.transcluded = true <a href="#L-1364"></a> local text = self.text <a href="#L-1365"></a> if find(text, "</onlyinclude>", 1, true) then <a href="#L-1366"></a> local head = find(text, "<onlyinclude>", 1, true) <a href="#L-1367"></a> if head then <a href="#L-1368"></a> self.onlyinclude = true <a href="#L-1369"></a> self:jump(head + 13) <a href="#L-1370"></a> end <a href="#L-1371"></a> end <a href="#L-1372"></a> end <a href="#L-1373"></a> <a href="#L-1374"></a> -- If the first character is "=", try parsing it as a heading. <a href="#L-1375"></a> function handle_start(self, this) <a href="#L-1376"></a> local layer = self[-1] <a href="#L-1377"></a> layer.handler = main_handler <a href="#L-1378"></a> self:set_pattern("[\n<{]") <a href="#L-1379"></a> if this == "=" then <a href="#L-1380"></a> return self:heading() <a href="#L-1381"></a> end <a href="#L-1382"></a> return self:consume() <a href="#L-1383"></a> end <a href="#L-1384"></a> <a href="#L-1385"></a> function main_handler(self, ...) <a href="#L-1386"></a> main_handler = self:switch(main_handler, { <a href="#L-1387"></a> ["\n"] = function(self) <a href="#L-1388"></a> self:newline() <a href="#L-1389"></a> if self:read(1) == "=" then <a href="#L-1390"></a> self:advance() <a href="#L-1391"></a> return self:heading() <a href="#L-1392"></a> end <a href="#L-1393"></a> end, <a href="#L-1394"></a> <a href="#L-1395"></a> ["<"] = Parser.tag, <a href="#L-1396"></a> <a href="#L-1397"></a> ["{"] = function(self) <a href="#L-1398"></a> if self:read(1) == "{" then <a href="#L-1399"></a> self:template_or_parameter() <a href="#L-1400"></a> return self:consume() <a href="#L-1401"></a> end <a href="#L-1402"></a> self:emit("{") <a href="#L-1403"></a> end, <a href="#L-1404"></a> <a href="#L-1405"></a> [""] = Parser.pop, <a href="#L-1406"></a> [false] = Parser.emit <a href="#L-1407"></a> }) <a href="#L-1408"></a> return main_handler(self, ...) <a href="#L-1409"></a> end <a href="#L-1410"></a> <a href="#L-1411"></a> function export.parse(text, transcluded) <a href="#L-1412"></a> local text_type = type(text) <a href="#L-1413"></a> return (select(2, Parser:parse{ <a href="#L-1414"></a> text = text_type == "string" and text or <a href="#L-1415"></a> text_type == "number" and tostring(text) or <a href="#L-1416"></a> error("bad argument #1 (string expected, got " .. text_type .. ")"), <a href="#L-1417"></a> node = {Wikitext, true}, <a href="#L-1418"></a> route = {do_parse, transcluded} <a href="#L-1419"></a> })) <a href="#L-1420"></a> end <a href="#L-1421"></a> parse = export.parse <a href="#L-1422"></a>end <a href="#L-1423"></a> <a href="#L-1424"></a>do <a href="#L-1425"></a> local function next_template(iter) <a href="#L-1426"></a> while true do <a href="#L-1427"></a> local node = iter() <a href="#L-1428"></a> if node == nil or class_else_type(node) == "template" then <a href="#L-1429"></a> return node <a href="#L-1430"></a> end <a href="#L-1431"></a> end <a href="#L-1432"></a> end <a href="#L-1433"></a> <a href="#L-1434"></a> function export.find_templates(text, not_transcluded) <a href="#L-1435"></a> return next_template, parse(text, not not_transcluded):__pairs("next_node") <a href="#L-1436"></a> end <a href="#L-1437"></a>end <a href="#L-1438"></a> <a href="#L-1439"></a>do <a href="#L-1440"></a> local link_parameter_1, link_parameter_2 <a href="#L-1441"></a> <a href="#L-1442"></a> local function get_link_parameter_1() <a href="#L-1443"></a> link_parameter_1, get_link_parameter_1 = (data or get_data()).template_link_param_1, nil <a href="#L-1444"></a> return link_parameter_1 <a href="#L-1445"></a> end <a href="#L-1446"></a> <a href="#L-1447"></a> local function get_link_parameter_2() <a href="#L-1448"></a> link_parameter_2, get_link_parameter_2 = (data or get_data()).template_link_param_2, nil <a href="#L-1449"></a> return link_parameter_2 <a href="#L-1450"></a> end <a href="#L-1451"></a> <a href="#L-1452"></a> -- Generate a link. If the target title doesn't have a fragment, use "#top" <a href="#L-1453"></a> -- (which is an implicit anchor at the top of every page), as this ensures <a href="#L-1454"></a> -- self-links still display as links, since bold display is distracting and <a href="#L-1455"></a> -- unintuitive for template links. <a href="#L-1456"></a> local function link_page(title, display) <a href="#L-1457"></a> local fragment = title.fragment <a href="#L-1458"></a> if fragment == "" then <a href="#L-1459"></a> fragment = "top" <a href="#L-1460"></a> end <a href="#L-1461"></a> return format( <a href="#L-1462"></a> "[[:%s|%s]]", <a href="#L-1463"></a> encode_uri(title.prefixedText .. "#" .. fragment, "WIKI"), <a href="#L-1464"></a> display <a href="#L-1465"></a> ) <a href="#L-1466"></a> end <a href="#L-1467"></a> <a href="#L-1468"></a> -- pf_arg1 or pf_arg2 may need to be linked if a given parser function <a href="#L-1469"></a> -- treats them as a pagename. If a key exists in `namespace`, the value is <a href="#L-1470"></a> -- the namespace for the page: if not 0, then the namespace prefix will <a href="#L-1471"></a> -- always be added to the input (e.g. {{#invoke:}} can only target the <a href="#L-1472"></a> -- Module: namespace, so inputting "Template:foo" gives <a href="#L-1473"></a> -- "Module:Template:foo", and "Module:foo" gives "Module:Module:foo"). <a href="#L-1474"></a> -- However, this isn't possible with mainspace (namespace 0), so prefixes <a href="#L-1475"></a> -- are respected. make_title handles all of this automatically. <a href="#L-1476"></a> local function finalize_arg(pagename, namespace) <a href="#L-1477"></a> if namespace == nil then <a href="#L-1478"></a> return pagename <a href="#L-1479"></a> end <a href="#L-1480"></a> local title = make_title(namespace, pagename) <a href="#L-1481"></a> if not (title and is_valid_title(title)) then <a href="#L-1482"></a> return pagename <a href="#L-1483"></a> end <a href="#L-1484"></a> return link_page(title, pagename) <a href="#L-1485"></a> end <a href="#L-1486"></a> <a href="#L-1487"></a> local function render_title(name, args) <a href="#L-1488"></a> -- parse_template_name returns a table of transclusion modifiers plus <a href="#L-1489"></a> -- the normalized template/magic word name, which will be used as link <a href="#L-1490"></a> -- targets. The third return value pf_arg1 is the first argument of a <a href="#L-1491"></a> -- a parser function, which comes after the colon (e.g. "foo" in <a href="#L-1492"></a> -- "{{#IF:foo|bar|baz}}"). This means args[1] (i.e. the first argument <a href="#L-1493"></a> -- that comes after a pipe is actually argument 2, and so on. Note: the <a href="#L-1494"></a> -- second parameter of parse_template_name checks if there are any <a href="#L-1495"></a> -- arguments, since parser variables cannot take arguments (e.g. <a href="#L-1496"></a> -- {{CURRENTYEAR}} is a parser variable, but {{CURRENTYEAR|foo}} <a href="#L-1497"></a> -- transcludes "Template:CURRENTYEAR"). In such cases, the returned <a href="#L-1498"></a> -- table explicitly includes the "Template:" prefix in the template <a href="#L-1499"></a> -- name. The third parameter instructs it to retain any fragment in the <a href="#L-1500"></a> -- template name in the returned table, if present. <a href="#L-1501"></a> local chunks, subclass, pf_arg1 = parse_template_name( <a href="#L-1502"></a> name, <a href="#L-1503"></a> args and pairs(args)(args) ~= nil, <a href="#L-1504"></a> true <a href="#L-1505"></a> ) <a href="#L-1506"></a> if chunks == nil then <a href="#L-1507"></a> return name, args <a href="#L-1508"></a> end <a href="#L-1509"></a> local chunks_len = #chunks <a href="#L-1510"></a> -- Additionally, generate the corresponding table `rawchunks`, which <a href="#L-1511"></a> -- is a list of colon-separated chunks in the raw input. This is used <a href="#L-1512"></a> -- to retrieve the display forms for each chunk. <a href="#L-1513"></a> local rawchunks = split(name, ":") <a href="#L-1514"></a> for i = 1, chunks_len - 1 do <a href="#L-1515"></a> chunks[i] = format( <a href="#L-1516"></a> "[[%s|%s]]", <a href="#L-1517"></a> encode_uri((magic_words or get_magic_words())[sub(chunks[i], 1, -2)].transclusion_modifier, "WIKI"), <a href="#L-1518"></a> rawchunks[i] <a href="#L-1519"></a> ) <a href="#L-1520"></a> end <a href="#L-1521"></a> local chunk = chunks[chunks_len] <a href="#L-1522"></a> -- If it's a template, return a link to it with link_page, concatenating <a href="#L-1523"></a> -- the remaining chunks in `rawchunks` to form the display text. <a href="#L-1524"></a> -- Use new_title with the default namespace 10 (Template:) to generate <a href="#L-1525"></a> -- a target title, which is the same setting used for retrieving <a href="#L-1526"></a> -- templates (including those in other namespaces, as prefixes override <a href="#L-1527"></a> -- the default). <a href="#L-1528"></a> if subclass == "template" then <a href="#L-1529"></a> chunks[chunks_len] = link_page( <a href="#L-1530"></a> new_title(chunk, 10), <a href="#L-1531"></a> concat(rawchunks, "&#58;", chunks_len) -- : <a href="#L-1532"></a> ) <a href="#L-1533"></a> return concat(chunks, "&#58;"), args -- : <a href="#L-1534"></a> elseif subclass == "parser variable" then <a href="#L-1535"></a> chunks[chunks_len] = format( <a href="#L-1536"></a> "[[%s|%s]]", <a href="#L-1537"></a> encode_uri((magic_words or get_magic_words())[chunk].parser_variable, "WIKI"), <a href="#L-1538"></a> rawchunks[chunks_len] <a href="#L-1539"></a> ) <a href="#L-1540"></a> return concat(chunks, "&#58;"), args -- : <a href="#L-1541"></a> end <a href="#L-1542"></a> -- Otherwise, it must be a parser function. <a href="#L-1543"></a> local mgw_data = (magic_words or get_magic_words())[sub(chunk, 1, -2)] <a href="#L-1544"></a> local link = mgw_data.parser_function or mgw_data.transclusion_modifier <a href="#L-1545"></a> local pf_arg2 = args and args[1] or nil <a href="#L-1546"></a> -- Some magic words have different links, depending on whether argument <a href="#L-1547"></a> -- 2 is specified (e.g. "baz" in {{foo:bar|baz}}). <a href="#L-1548"></a> if type(link) == "table" then <a href="#L-1549"></a> link = pf_arg2 and link[2] or link[1] <a href="#L-1550"></a> end <a href="#L-1551"></a> chunks[chunks_len] = format( <a href="#L-1552"></a> "[[%s|%s]]", <a href="#L-1553"></a> encode_uri(link, "WIKI"), <a href="#L-1554"></a> rawchunks[chunks_len] <a href="#L-1555"></a> ) <a href="#L-1556"></a> -- #TAG: has special handling, because documentation links for parser <a href="#L-1557"></a> -- extension tags come from [[Module:data/parser extension tags]]. <a href="#L-1558"></a> if chunk == "#TAG:" then <a href="#L-1559"></a> -- Tags are only case-insensitive with ASCII characters. <a href="#L-1560"></a> local tag = (parser_extension_tags or get_parser_extension_tags())[lower(php_trim(pf_arg1))] <a href="#L-1561"></a> if tag then <a href="#L-1562"></a> pf_arg1 = format( <a href="#L-1563"></a> "[[%s|%s]]", <a href="#L-1564"></a> encode_uri(tag, "WIKI"), <a href="#L-1565"></a> pf_arg1 <a href="#L-1566"></a> ) <a href="#L-1567"></a> end <a href="#L-1568"></a> -- Otherwise, finalize pf_arg1 and add it to `chunks`. <a href="#L-1569"></a> else <a href="#L-1570"></a> pf_arg1 = finalize_arg(pf_arg1, (link_parameter_1 or get_link_parameter_1())[chunk]) <a href="#L-1571"></a> end <a href="#L-1572"></a> chunks[chunks_len + 1] = pf_arg1 <a href="#L-1573"></a> -- Finalize pf_arg2 (if applicable), then return. <a href="#L-1574"></a> if pf_arg2 then <a href="#L-1575"></a> args = shallowcopy(args) -- Avoid destructively modifying args. <a href="#L-1576"></a> args[1] = finalize_arg(pf_arg2, (link_parameter_2 or get_link_parameter_2())[chunk]) <a href="#L-1577"></a> end <a href="#L-1578"></a> return concat(chunks, "&#58;"), args -- : <a href="#L-1579"></a> end <a href="#L-1580"></a> <a href="#L-1581"></a> function export.buildTemplate(title, args) <a href="#L-1582"></a> local output = {title} <a href="#L-1583"></a> if not args then <a href="#L-1584"></a> return output <a href="#L-1585"></a> end <a href="#L-1586"></a> -- Iterate over all numbered parameters in order, followed by any <a href="#L-1587"></a> -- remaining parameters in codepoint order. Implicit parameters are <a href="#L-1588"></a> -- used wherever possible, even if explicit numbers are interpolated <a href="#L-1589"></a> -- between them (e.g. 0 would go before any implicit parameters, and <a href="#L-1590"></a> -- 2.5 between 2 and 3). <a href="#L-1591"></a> -- TODO: handle "=" and "|" in params/values. <a href="#L-1592"></a> local implicit <a href="#L-1593"></a> for k, v in sorted_pairs(args) do <a href="#L-1594"></a> if type(k) == "number" and k >= 1 and k % 1 == 0 then <a href="#L-1595"></a> if implicit == nil then <a href="#L-1596"></a> implicit = table_len(args) <a href="#L-1597"></a> end <a href="#L-1598"></a> insert(output, k <= implicit and v or k .. "=" .. v) <a href="#L-1599"></a> else <a href="#L-1600"></a> insert(output, k .. "=" .. v) <a href="#L-1601"></a> end <a href="#L-1602"></a> end <a href="#L-1603"></a> return output <a href="#L-1604"></a> end <a href="#L-1605"></a> build_template = export.buildTemplate <a href="#L-1606"></a> <a href="#L-1607"></a> function export.templateLink(title, args, no_link) <a href="#L-1608"></a> if not no_link then <a href="#L-1609"></a> title, args = render_title(title, args) <a href="#L-1610"></a> end <a href="#L-1611"></a> local output = build_template(title, args) <a href="#L-1612"></a> for i = 1, #output do <a href="#L-1613"></a> output[i] = encode_entities(output[i], "={}", true, true) <a href="#L-1614"></a> end <a href="#L-1615"></a> return tostring(html_create("code") <a href="#L-1616"></a> :css("white-space", "pre-wrap") <a href="#L-1617"></a> :wikitext("&#123;&#123;" .. concat(output, "&#124;") .. "&#125;&#125;") -- {{ | }} <a href="#L-1618"></a> ) <a href="#L-1619"></a> end <a href="#L-1620"></a>end <a href="#L-1621"></a> <a href="#L-1622"></a>do <a href="#L-1623"></a> local function next_parameter(iter) <a href="#L-1624"></a> while true do <a href="#L-1625"></a> local node = iter() <a href="#L-1626"></a> if node == nil or class_else_type(node) == "parameter" then <a href="#L-1627"></a> return node <a href="#L-1628"></a> end <a href="#L-1629"></a> end <a href="#L-1630"></a> end <a href="#L-1631"></a> <a href="#L-1632"></a> function export.find_parameters(text, not_transcluded) <a href="#L-1633"></a> return next_parameter, parse(text, not not_transcluded):__pairs("next_node") <a href="#L-1634"></a> end <a href="#L-1635"></a> <a href="#L-1636"></a> function export.displayParameter(name, default) <a href="#L-1637"></a> return tostring(html_create("code") <a href="#L-1638"></a> :css("white-space", "pre-wrap") <a href="#L-1639"></a> :wikitext("&#123;&#123;&#123;" .. concat({name, default}, "&#124;") .. "&#125;&#125;&#125;") -- {{{ | }}} <a href="#L-1640"></a> ) <a href="#L-1641"></a> end <a href="#L-1642"></a>end <a href="#L-1643"></a> <a href="#L-1644"></a>do <a href="#L-1645"></a> local function check_level(level) <a href="#L-1646"></a> if type(level) ~= "number" then <a href="#L-1647"></a> error("Heading levels must be numbers.") <a href="#L-1648"></a> elseif level < 1 or level > 6 or level % 1 ~= 0 then <a href="#L-1649"></a> error("Heading levels must be integers between 1 and 6.") <a href="#L-1650"></a> end <a href="#L-1651"></a> return level <a href="#L-1652"></a> end <a href="#L-1653"></a> <a href="#L-1654"></a> local function next_heading(iter) <a href="#L-1655"></a> while true do <a href="#L-1656"></a> local node = iter() <a href="#L-1657"></a> if node == nil then <a href="#L-1658"></a> return nil <a href="#L-1659"></a> elseif class_else_type(node) == "heading" then <a href="#L-1660"></a> local level = node.level <a href="#L-1661"></a> if level >= iter.i and level <= iter.j then <a href="#L-1662"></a> return node <a href="#L-1663"></a> end <a href="#L-1664"></a> end <a href="#L-1665"></a> end <a href="#L-1666"></a> end <a href="#L-1667"></a> <a href="#L-1668"></a> -- FIXME: should headings which contain "\n" be returned? This may depend <a href="#L-1669"></a> -- on variable factors, like template expansion. They iterate the heading <a href="#L-1670"></a> -- count number, but fail on rendering. However, in some cases a different <a href="#L-1671"></a> -- heading might still be rendered due to intermediate equals signs; it <a href="#L-1672"></a> -- may even be of a different heading level: e.g., this is parsed as an <a href="#L-1673"></a> -- L2 heading with a newline (due to the wikilink block), but renders as the <a href="#L-1674"></a> -- L1 heading "=foo[[". Section edit links are sometimes (but not always) <a href="#L-1675"></a> -- present in such cases. <a href="#L-1676"></a> <a href="#L-1677"></a> -- ==[[= <a href="#L-1678"></a> -- ]]== <a href="#L-1679"></a> <a href="#L-1680"></a> -- TODO: section numbers for edit links seem to also include headings <a href="#L-1681"></a> -- nested inside templates and parameters (but apparently not those in <a href="#L-1682"></a> -- parser extension tags - need to test this more). If we ever want to add <a href="#L-1683"></a> -- section edit links manually, this will need to be accounted for. <a href="#L-1684"></a> function export.find_headings(text, i, j) <a href="#L-1685"></a> local iter = parse(text):__pairs("next_node") <a href="#L-1686"></a> iter.i, iter.j = i and check_level(i) or 1, j and check_level(j) or 6 <a href="#L-1687"></a> return next_heading, iter <a href="#L-1688"></a> end <a href="#L-1689"></a>end <a href="#L-1690"></a> <a href="#L-1691"></a>do <a href="#L-1692"></a> local function make_tag(tag) <a href="#L-1693"></a> return tostring(html_create("code") <a href="#L-1694"></a> :css("white-space", "pre-wrap") <a href="#L-1695"></a> :wikitext("&lt;" .. tag .. "&gt;") <a href="#L-1696"></a> ) <a href="#L-1697"></a> end <a href="#L-1698"></a> <a href="#L-1699"></a> -- Note: invalid tags are returned without links. <a href="#L-1700"></a> function export.wikitagLink(tag) <a href="#L-1701"></a> -- ">" can't appear in tags (including attributes) since the parser <a href="#L-1702"></a> -- unconditionally treats ">" as the end of a tag. <a href="#L-1703"></a> if find(tag, ">", 1, true) then <a href="#L-1704"></a> return make_tag(tag) <a href="#L-1705"></a> end <a href="#L-1706"></a> -- Tags must start "<tagname..." or "</tagname...", with no whitespace <a href="#L-1707"></a> -- after "<" or "</". <a href="#L-1708"></a> local slash, tagname, remainder = match(tag, "^(/?)([^/%s]+)(.*)$") <a href="#L-1709"></a> if not tagname then <a href="#L-1710"></a> return make_tag(tag) <a href="#L-1711"></a> end <a href="#L-1712"></a> -- Tags are only case-insensitive with ASCII characters. <a href="#L-1713"></a> local link = lower(tagname) <a href="#L-1714"></a> if ( <a href="#L-1715"></a> -- onlyinclude tags must be lowercase and are whitespace intolerant. <a href="#L-1716"></a> link == "onlyinclude" and (link ~= tagname or remainder ~= "") or <a href="#L-1717"></a> -- Closing wikitags (except onlyinclude) can only have whitespace <a href="#L-1718"></a> -- after the tag name. <a href="#L-1719"></a> slash == "/" and not match(remainder, "^%s*()$") or <a href="#L-1720"></a> -- Tagnames cannot be followed immediately by "/", unless it comes <a href="#L-1721"></a> -- at the end (e.g. "<nowiki/>", but not "<nowiki/ >"). <a href="#L-1722"></a> remainder ~= "/" and sub(remainder, 1, 1) == "/" <a href="#L-1723"></a> ) then <a href="#L-1724"></a> -- Output with no link. <a href="#L-1725"></a> return make_tag(tag) <a href="#L-1726"></a> end <a href="#L-1727"></a> -- Partial transclusion tags aren't in the table of parser extension <a href="#L-1728"></a> -- tags. <a href="#L-1729"></a> if link == "noinclude" or link == "includeonly" or link == "onlyinclude" then <a href="#L-1730"></a> link = "mw:Transclusion#Partial transclusion" <a href="#L-1731"></a> else <a href="#L-1732"></a> link = (parser_extension_tags or get_parser_extension_tags())[link] <a href="#L-1733"></a> end <a href="#L-1734"></a> if link then <a href="#L-1735"></a> tag = gsub(tag, pattern_escape(tagname), "[[" .. replacement_escape(encode_uri(link, "WIKI")) .. "|%0]]", 1) <a href="#L-1736"></a> end <a href="#L-1737"></a> return make_tag(tag) <a href="#L-1738"></a> end <a href="#L-1739"></a>end <a href="#L-1740"></a> <a href="#L-1741"></a>-- For convenience. <a href="#L-1742"></a>export.class_else_type = class_else_type <a href="#L-1743"></a> <a href="#L-1744"></a>return export </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.wiktionary.org/w/index.php?title=Module:template_parser&oldid=82737511">https://en.wiktionary.org/w/index.php?title=Module:template_parser&oldid=82737511</a>"</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Special:Categories" title="Special:Categories">Categories</a>: <ul><li><a href="/wiki/Category:Templates_and_modules_with_outdated_documentation" title="Category:Templates and modules with outdated documentation">Templates and modules with outdated documentation</a></li><li><a href="/wiki/Category:Wikitext_parsing_modules" title="Category:Wikitext parsing modules">Wikitext parsing modules</a></li></ul></div></div> </div> </div> <div id="mw-navigation"> <h2>Navigation menu</h2> <div id="mw-head"> <nav id="p-personal" class="mw-portlet mw-portlet-personal vector-user-menu-legacy vector-menu" aria-labelledby="p-personal-label" > <h3 id="p-personal-label" class="vector-menu-heading " > Personal tools </h3> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-anonuserpage" class="mw-list-item">Not logged in</li><li id="pt-anontalk" class="mw-list-item"><a href="/wiki/Special:MyTalk" title="Discussion about edits from this IP address [n]" accesskey="n">Talk</a></li><li id="pt-anoncontribs" class="mw-list-item"><a href="/wiki/Special:MyContributions" title="A list of edits made from this IP address [y]" accesskey="y">Contributions</a></li><li id="pt-createaccount" class="mw-list-item"><a href="/w/index.php?title=Special:CreateAccount&returnto=Module%3Atemplate+parser" title="You are encouraged to create an account and log in; however, it is not mandatory">Create account</a></li><li id="pt-login" class="mw-list-item"><a href="/w/index.php?title=Special:UserLogin&returnto=Module%3Atemplate+parser" title="You are encouraged to log in; however, it is not mandatory [o]" accesskey="o">Log in</a></li> </ul> </div> </nav> <div id="left-navigation"> <nav id="p-namespaces" class="mw-portlet mw-portlet-namespaces vector-menu-tabs vector-menu-tabs-legacy vector-menu" aria-labelledby="p-namespaces-label" > <h3 id="p-namespaces-label" class="vector-menu-heading " > Namespaces </h3> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-nstab-module" class="selected mw-list-item"><a href="/wiki/Module:template_parser" title="View the module page [c]" accesskey="c">Module</a></li><li id="ca-talk" class="new mw-list-item"><a href="/w/index.php?title=Module_talk:template_parser&action=edit&redlink=1" rel="discussion" class="new" title="Discussion about the content page (page does not exist) [t]" accesskey="t">Discussion</a></li> </ul> </div> </nav> <nav id="p-variants" class="mw-portlet mw-portlet-variants emptyPortlet vector-menu-dropdown vector-menu" aria-labelledby="p-variants-label" > <input type="checkbox" id="p-variants-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-variants" class="vector-menu-checkbox" aria-labelledby="p-variants-label" > <label id="p-variants-label" class="vector-menu-heading " > English </label> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </nav> </div> <div id="right-navigation"> <nav id="p-views" class="mw-portlet mw-portlet-views vector-menu-tabs vector-menu-tabs-legacy vector-menu" aria-labelledby="p-views-label" > <h3 id="p-views-label" class="vector-menu-heading " > Views </h3> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-view" class="selected mw-list-item"><a href="/wiki/Module:template_parser">Read</a></li><li id="ca-viewsource" class="mw-list-item"><a href="/w/index.php?title=Module:template_parser&action=edit" title="This page is protected.
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<ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wiktionary.org/wiki/%D9%88%D8%AD%D8%AF%D8%A9:template_parser" title="وحدة:template parser – Arabic" lang="ar" hreflang="ar" data-title="وحدة:template parser" data-language-autonym="العربية" data-language-local-name="Arabic" class="interlanguage-link-target">العربية</a></li><li class="interlanguage-link interwiki-bn mw-list-item"><a href="https://bn.wiktionary.org/wiki/%E0%A6%AE%E0%A6%A1%E0%A6%BF%E0%A6%89%E0%A6%B2:template_parser" title="মডিউল:template parser – Bangla" lang="bn" hreflang="bn" data-title="মডিউল:template parser" data-language-autonym="বাংলা" data-language-local-name="Bangla" class="interlanguage-link-target">বাংলা</a></li><li class="interlanguage-link interwiki-zh-min-nan mw-list-item"><a href="https://zh-min-nan.wiktionary.org/wiki/%E6%A8%A1%E7%B5%84:templateparser" title="模組:templateparser – Minnan" lang="nan" hreflang="nan" data-title="模組:templateparser" data-language-autonym="閩南語 / Bân-lâm-gú" data-language-local-name="Minnan" class="interlanguage-link-target">閩南語 / Bân-lâm-gú</a></li><li class="interlanguage-link interwiki-hsb mw-list-item"><a href="https://hsb.wiktionary.org/wiki/Modul:template_parser" title="Modul:template parser – Upper Sorbian" lang="hsb" hreflang="hsb" data-title="Modul:template parser" data-language-autonym="Hornjoserbsce" data-language-local-name="Upper Sorbian" class="interlanguage-link-target">Hornjoserbsce</a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wiktionary.org/wiki/Modul:templateparser" title="Modul:templateparser – Indonesian" lang="id" hreflang="id" data-title="Modul:templateparser" data-language-autonym="Bahasa Indonesia" data-language-local-name="Indonesian" class="interlanguage-link-target">Bahasa Indonesia</a></li><li class="interlanguage-link interwiki-ky mw-list-item"><a href="https://ky.wiktionary.org/wiki/%D0%9C%D0%BE%D0%B4%D1%83%D0%BB%D1%8C:template_parser" title="Модуль:template parser – Kyrgyz" lang="ky" hreflang="ky" data-title="Модуль:template parser" data-language-autonym="Кыргызча" data-language-local-name="Kyrgyz" class="interlanguage-link-target">Кыргызча</a></li><li class="interlanguage-link interwiki-mt mw-list-item"><a href="https://mt.wiktionary.org/wiki/Module:template_parser" title="Module:template parser – Maltese" lang="mt" hreflang="mt" data-title="Module:template parser" data-language-autonym="Malti" data-language-local-name="Maltese" class="interlanguage-link-target">Malti</a></li><li class="interlanguage-link interwiki-mnw mw-list-item"><a href="https://mnw.wiktionary.org/wiki/%E1%80%99%E1%80%9D%E1%80%BA%E1%80%82%E1%80%BB%E1%80%B0:templateparser" title="မဝ်ဂျူ:templateparser – Mon" lang="mnw" hreflang="mnw" data-title="မဝ်ဂျူ:templateparser" data-language-autonym="ဘာသာမန်" data-language-local-name="Mon" class="interlanguage-link-target">ဘာသာမန်</a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wiktionary.org/wiki/Modul:template_parser" title="Modul:template parser – Malay" lang="ms" hreflang="ms" data-title="Modul:template parser" 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.wiktionary.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:templateparser" title="မော်ဂျူး:templateparser – Burmese" lang="my" hreflang="my" data-title="မော်ဂျူး:templateparser" data-language-autonym="မြန်မာဘာသာ" data-language-local-name="Burmese" class="interlanguage-link-target">မြန်မာဘာသာ</a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wiktionary.org/wiki/%E3%83%A2%E3%82%B8%E3%83%A5%E3%83%BC%E3%83%AB:templateparser" title="モジュール:templateparser – Japanese" lang="ja" hreflang="ja" data-title="モジュール:templateparser" data-language-autonym="日本語" data-language-local-name="Japanese" class="interlanguage-link-target">日本語</a></li><li class="interlanguage-link interwiki-uz mw-list-item"><a href="https://uz.wiktionary.org/wiki/Modul:template_parser" title="Modul:template parser – Uzbek" lang="uz" hreflang="uz" data-title="Modul:template parser" data-language-autonym="Oʻzbekcha / ўзбекча" data-language-local-name="Uzbek" class="interlanguage-link-target">Oʻzbekcha / ўзбекча</a></li><li class="interlanguage-link interwiki-pa mw-list-item"><a href="https://pa.wiktionary.org/wiki/%E0%A8%AE%E0%A9%8C%E0%A8%A1%E0%A8%BF%E0%A8%8A%E0%A8%B2:template_parser" title="ਮੌਡਿਊਲ:template parser – Punjabi" lang="pa" hreflang="pa" data-title="ਮੌਡਿਊਲ:template parser" data-language-autonym="ਪੰਜਾਬੀ" data-language-local-name="Punjabi" class="interlanguage-link-target">ਪੰਜਾਬੀ</a></li><li class="interlanguage-link interwiki-blk mw-list-item"><a href="https://blk.wiktionary.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:template_parser" title="မော်ဂျူး:template parser – Pa'O" lang="blk" hreflang="blk" data-title="မော်ဂျူး:template parser" data-language-autonym="ပအိုဝ်ႏဘာႏသာႏ" data-language-local-name="Pa'O" class="interlanguage-link-target">ပအိုဝ်ႏဘာႏသာႏ</a></li><li class="interlanguage-link interwiki-si mw-list-item"><a href="https://si.wiktionary.org/wiki/Module:template_parser" title="Module:template parser – Sinhala" lang="si" hreflang="si" data-title="Module:template parser" data-language-autonym="සිංහල" data-language-local-name="Sinhala" class="interlanguage-link-target">සිංහල</a></li><li class="interlanguage-link interwiki-ckb mw-list-item"><a href="https://ckb.wiktionary.org/wiki/%D9%85%DB%86%D8%AF%DB%8C%D9%88%D9%88%D9%84:template_parser" title="مۆدیوول:template parser – Central Kurdish" lang="ckb" hreflang="ckb" data-title="مۆدیوول:template parser" data-language-autonym="کوردی" data-language-local-name="Central Kurdish" class="interlanguage-link-target">کوردی</a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wiktionary.org/wiki/%D0%9C%D0%BE%D0%B4%D1%83%D0%BB:template_parser" title="Модул:template parser – Serbian" lang="sr" hreflang="sr" data-title="Модул:template parser" data-language-autonym="Српски / srpski" data-language-local-name="Serbian" class="interlanguage-link-target">Српски / srpski</a></li><li class="interlanguage-link interwiki-tl mw-list-item"><a href="https://tl.wiktionary.org/wiki/Module:template_parser" title="Module:template parser – Tagalog" lang="tl" hreflang="tl" data-title="Module:template parser" data-language-autonym="Tagalog" data-language-local-name="Tagalog" class="interlanguage-link-target">Tagalog</a></li><li class="interlanguage-link interwiki-shn mw-list-item"><a href="https://shn.wiktionary.org/wiki/%E1%80%99%E1%80%B1%E1%82%83%E1%82%87%E1%81%B5%E1%80%BB%E1%80%B0%E1%80%B8:template_parser" title="မေႃႇၵျူး:template parser – Shan" lang="shn" hreflang="shn" data-title="မေႃႇၵျူး:template parser" data-language-autonym="ၽႃႇသႃႇတႆး " data-language-local-name="Shan" class="interlanguage-link-target">ၽႃႇသႃႇတႆး </a></li><li class="interlanguage-link interwiki-th mw-list-item"><a href="https://th.wiktionary.org/wiki/%E0%B8%A1%E0%B8%AD%E0%B8%94%E0%B8%B9%E0%B8%A5:template_parser" title="มอดูล:template parser – Thai" lang="th" hreflang="th" data-title="มอดูล:template parser" data-language-autonym="ไทย" data-language-local-name="Thai" class="interlanguage-link-target">ไทย</a></li><li class="interlanguage-link interwiki-tg mw-list-item"><a href="https://tg.wiktionary.org/wiki/%D0%9C%D0%BE%D0%B4%D1%83%D0%BB:template_parser" title="Модул:template parser – Tajik" lang="tg" hreflang="tg" data-title="Модул:template parser" data-language-autonym="Тоҷикӣ" data-language-local-name="Tajik" class="interlanguage-link-target">Тоҷикӣ</a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wiktionary.org/wiki/M%C3%B4_%C4%91un:template_parser" title="Mô đun:template parser – Vietnamese" lang="vi" hreflang="vi" data-title="Mô đun:template parser" data-language-autonym="Tiếng Việt" data-language-local-name="Vietnamese" class="interlanguage-link-target">Tiếng Việt</a></li><li class="interlanguage-link interwiki-yue mw-list-item"><a href="https://yue.wiktionary.org/wiki/%E6%A8%A1%E7%B5%84:templateparser" title="模組:templateparser – Cantonese" lang="yue" hreflang="yue" data-title="模組:templateparser" data-language-autonym="粵語" data-language-local-name="Cantonese" class="interlanguage-link-target">粵語</a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wiktionary.org/wiki/Module:Template_parser" title="Module:Template parser – Chinese" lang="zh" hreflang="zh" data-title="Module:Template parser" data-language-autonym="中文" data-language-local-name="Chinese" class="interlanguage-link-target">中文</a></li> </ul> <div class="after-portlet 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