Update documentation
This commit is contained in:
Konstantin Lampalzer
parent
49c4040072
commit
3173308b54
31 changed files with 13061 additions and 1263 deletions
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@ -4,22 +4,24 @@
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*
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* Sphinx JavaScript utilities for the full-text search.
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*
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* :copyright: Copyright 2007-2021 by the Sphinx team, see AUTHORS.
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* :copyright: Copyright 2007-2022 by the Sphinx team, see AUTHORS.
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* :license: BSD, see LICENSE for details.
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*
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*/
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"use strict";
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if (!Scorer) {
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/**
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* Simple result scoring code.
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*/
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/**
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* Simple result scoring code.
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*/
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if (typeof Scorer === "undefined") {
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var Scorer = {
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// Implement the following function to further tweak the score for each result
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// The function takes a result array [filename, title, anchor, descr, score]
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// The function takes a result array [docname, title, anchor, descr, score, filename]
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// and returns the new score.
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/*
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score: function(result) {
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return result[4];
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score: result => {
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const [docname, title, anchor, descr, score, filename] = result
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return score
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},
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*/
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@ -28,9 +30,11 @@ if (!Scorer) {
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// or matches in the last dotted part of the object name
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objPartialMatch: 6,
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// Additive scores depending on the priority of the object
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objPrio: {0: 15, // used to be importantResults
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1: 5, // used to be objectResults
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2: -5}, // used to be unimportantResults
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objPrio: {
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0: 15, // used to be importantResults
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1: 5, // used to be objectResults
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2: -5, // used to be unimportantResults
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},
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// Used when the priority is not in the mapping.
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objPrioDefault: 0,
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@ -39,444 +43,495 @@ if (!Scorer) {
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partialTitle: 7,
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// query found in terms
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term: 5,
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partialTerm: 2
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partialTerm: 2,
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};
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}
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if (!splitQuery) {
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function splitQuery(query) {
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return query.split(/\s+/);
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const _removeChildren = (element) => {
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while (element && element.lastChild) element.removeChild(element.lastChild);
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};
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/**
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* See https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Regular_Expressions#escaping
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*/
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const _escapeRegExp = (string) =>
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string.replace(/[.*+\-?^${}()|[\]\\]/g, "\\$&"); // $& means the whole matched string
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const _displayItem = (item, searchTerms) => {
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const docBuilder = DOCUMENTATION_OPTIONS.BUILDER;
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const docUrlRoot = DOCUMENTATION_OPTIONS.URL_ROOT;
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const docFileSuffix = DOCUMENTATION_OPTIONS.FILE_SUFFIX;
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const docLinkSuffix = DOCUMENTATION_OPTIONS.LINK_SUFFIX;
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const showSearchSummary = DOCUMENTATION_OPTIONS.SHOW_SEARCH_SUMMARY;
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const [docName, title, anchor, descr, score, _filename] = item;
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let listItem = document.createElement("li");
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let requestUrl;
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let linkUrl;
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if (docBuilder === "dirhtml") {
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// dirhtml builder
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let dirname = docName + "/";
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if (dirname.match(/\/index\/$/))
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dirname = dirname.substring(0, dirname.length - 6);
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else if (dirname === "index/") dirname = "";
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requestUrl = docUrlRoot + dirname;
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linkUrl = requestUrl;
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} else {
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// normal html builders
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requestUrl = docUrlRoot + docName + docFileSuffix;
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linkUrl = docName + docLinkSuffix;
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}
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let linkEl = listItem.appendChild(document.createElement("a"));
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linkEl.href = linkUrl + anchor;
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linkEl.dataset.score = score;
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linkEl.innerHTML = title;
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if (descr)
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listItem.appendChild(document.createElement("span")).innerHTML =
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" (" + descr + ")";
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else if (showSearchSummary)
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fetch(requestUrl)
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.then((responseData) => responseData.text())
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.then((data) => {
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if (data)
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listItem.appendChild(
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Search.makeSearchSummary(data, searchTerms)
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);
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});
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Search.output.appendChild(listItem);
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};
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const _finishSearch = (resultCount) => {
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Search.stopPulse();
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Search.title.innerText = _("Search Results");
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if (!resultCount)
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Search.status.innerText = Documentation.gettext(
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"Your search did not match any documents. Please make sure that all words are spelled correctly and that you've selected enough categories."
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);
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else
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Search.status.innerText = _(
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`Search finished, found ${resultCount} page(s) matching the search query.`
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);
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};
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const _displayNextItem = (
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results,
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resultCount,
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searchTerms
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) => {
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// results left, load the summary and display it
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// this is intended to be dynamic (don't sub resultsCount)
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if (results.length) {
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_displayItem(results.pop(), searchTerms);
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setTimeout(
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() => _displayNextItem(results, resultCount, searchTerms),
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5
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);
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}
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// search finished, update title and status message
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else _finishSearch(resultCount);
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};
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/**
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* Default splitQuery function. Can be overridden in ``sphinx.search`` with a
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* custom function per language.
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*
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* The regular expression works by splitting the string on consecutive characters
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* that are not Unicode letters, numbers, underscores, or emoji characters.
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* This is the same as ``\W+`` in Python, preserving the surrogate pair area.
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*/
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if (typeof splitQuery === "undefined") {
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var splitQuery = (query) => query
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.split(/[^\p{Letter}\p{Number}_\p{Emoji_Presentation}]+/gu)
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.filter(term => term) // remove remaining empty strings
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}
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/**
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* Search Module
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*/
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var Search = {
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const Search = {
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_index: null,
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_queued_query: null,
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_pulse_status: -1,
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_index : null,
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_queued_query : null,
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_pulse_status : -1,
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htmlToText : function(htmlString) {
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var virtualDocument = document.implementation.createHTMLDocument('virtual');
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var htmlElement = $(htmlString, virtualDocument);
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htmlElement.find('.headerlink').remove();
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docContent = htmlElement.find('[role=main]')[0];
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if(docContent === undefined) {
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console.warn("Content block not found. Sphinx search tries to obtain it " +
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"via '[role=main]'. Could you check your theme or template.");
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return "";
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}
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return docContent.textContent || docContent.innerText;
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htmlToText: (htmlString) => {
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const htmlElement = new DOMParser().parseFromString(htmlString, 'text/html');
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htmlElement.querySelectorAll(".headerlink").forEach((el) => { el.remove() });
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const docContent = htmlElement.querySelector('[role="main"]');
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if (docContent !== undefined) return docContent.textContent;
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console.warn(
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"Content block not found. Sphinx search tries to obtain it via '[role=main]'. Could you check your theme or template."
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);
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return "";
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},
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init : function() {
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var params = $.getQueryParameters();
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if (params.q) {
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var query = params.q[0];
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$('input[name="q"]')[0].value = query;
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this.performSearch(query);
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}
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init: () => {
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const query = new URLSearchParams(window.location.search).get("q");
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document
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.querySelectorAll('input[name="q"]')
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.forEach((el) => (el.value = query));
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if (query) Search.performSearch(query);
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},
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loadIndex : function(url) {
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$.ajax({type: "GET", url: url, data: null,
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dataType: "script", cache: true,
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complete: function(jqxhr, textstatus) {
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if (textstatus != "success") {
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document.getElementById("searchindexloader").src = url;
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}
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}});
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},
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loadIndex: (url) =>
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(document.body.appendChild(document.createElement("script")).src = url),
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setIndex : function(index) {
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var q;
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this._index = index;
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if ((q = this._queued_query) !== null) {
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this._queued_query = null;
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Search.query(q);
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setIndex: (index) => {
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Search._index = index;
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if (Search._queued_query !== null) {
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const query = Search._queued_query;
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Search._queued_query = null;
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Search.query(query);
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}
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},
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hasIndex : function() {
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return this._index !== null;
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},
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hasIndex: () => Search._index !== null,
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deferQuery : function(query) {
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this._queued_query = query;
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},
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deferQuery: (query) => (Search._queued_query = query),
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stopPulse : function() {
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this._pulse_status = 0;
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},
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stopPulse: () => (Search._pulse_status = -1),
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startPulse : function() {
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if (this._pulse_status >= 0)
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return;
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function pulse() {
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var i;
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startPulse: () => {
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if (Search._pulse_status >= 0) return;
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const pulse = () => {
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Search._pulse_status = (Search._pulse_status + 1) % 4;
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var dotString = '';
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for (i = 0; i < Search._pulse_status; i++)
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dotString += '.';
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Search.dots.text(dotString);
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if (Search._pulse_status > -1)
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window.setTimeout(pulse, 500);
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}
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Search.dots.innerText = ".".repeat(Search._pulse_status);
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if (Search._pulse_status >= 0) window.setTimeout(pulse, 500);
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};
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pulse();
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},
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/**
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* perform a search for something (or wait until index is loaded)
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*/
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performSearch : function(query) {
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performSearch: (query) => {
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// create the required interface elements
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this.out = $('#search-results');
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this.title = $('<h2>' + _('Searching') + '</h2>').appendTo(this.out);
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this.dots = $('<span></span>').appendTo(this.title);
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this.status = $('<p class="search-summary"> </p>').appendTo(this.out);
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this.output = $('<ul class="search"/>').appendTo(this.out);
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const searchText = document.createElement("h2");
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searchText.textContent = _("Searching");
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const searchSummary = document.createElement("p");
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searchSummary.classList.add("search-summary");
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searchSummary.innerText = "";
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const searchList = document.createElement("ul");
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searchList.classList.add("search");
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$('#search-progress').text(_('Preparing search...'));
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this.startPulse();
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const out = document.getElementById("search-results");
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Search.title = out.appendChild(searchText);
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Search.dots = Search.title.appendChild(document.createElement("span"));
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Search.status = out.appendChild(searchSummary);
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Search.output = out.appendChild(searchList);
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const searchProgress = document.getElementById("search-progress");
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// Some themes don't use the search progress node
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if (searchProgress) {
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searchProgress.innerText = _("Preparing search...");
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}
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Search.startPulse();
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// index already loaded, the browser was quick!
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if (this.hasIndex())
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this.query(query);
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else
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this.deferQuery(query);
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if (Search.hasIndex()) Search.query(query);
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else Search.deferQuery(query);
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},
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/**
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* execute search (requires search index to be loaded)
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*/
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query : function(query) {
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var i;
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query: (query) => {
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const filenames = Search._index.filenames;
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const docNames = Search._index.docnames;
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const titles = Search._index.titles;
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const allTitles = Search._index.alltitles;
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const indexEntries = Search._index.indexentries;
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// stem the searchterms and add them to the correct list
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var stemmer = new Stemmer();
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var searchterms = [];
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var excluded = [];
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var hlterms = [];
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var tmp = splitQuery(query);
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var objectterms = [];
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for (i = 0; i < tmp.length; i++) {
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if (tmp[i] !== "") {
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objectterms.push(tmp[i].toLowerCase());
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}
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// stem the search terms and add them to the correct list
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const stemmer = new Stemmer();
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const searchTerms = new Set();
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const excludedTerms = new Set();
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const highlightTerms = new Set();
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const objectTerms = new Set(splitQuery(query.toLowerCase().trim()));
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splitQuery(query.trim()).forEach((queryTerm) => {
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const queryTermLower = queryTerm.toLowerCase();
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// maybe skip this "word"
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// stopwords array is from language_data.js
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if (
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stopwords.indexOf(queryTermLower) !== -1 ||
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queryTerm.match(/^\d+$/)
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)
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return;
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if ($u.indexOf(stopwords, tmp[i].toLowerCase()) != -1 || tmp[i] === "") {
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// skip this "word"
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continue;
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}
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// stem the word
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var word = stemmer.stemWord(tmp[i].toLowerCase());
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// prevent stemmer from cutting word smaller than two chars
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if(word.length < 3 && tmp[i].length >= 3) {
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word = tmp[i];
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}
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var toAppend;
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let word = stemmer.stemWord(queryTermLower);
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// select the correct list
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if (word[0] == '-') {
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toAppend = excluded;
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word = word.substr(1);
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}
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if (word[0] === "-") excludedTerms.add(word.substr(1));
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else {
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toAppend = searchterms;
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hlterms.push(tmp[i].toLowerCase());
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searchTerms.add(word);
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highlightTerms.add(queryTermLower);
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}
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// only add if not already in the list
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if (!$u.contains(toAppend, word))
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toAppend.push(word);
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});
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if (SPHINX_HIGHLIGHT_ENABLED) { // set in sphinx_highlight.js
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localStorage.setItem("sphinx_highlight_terms", [...highlightTerms].join(" "))
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}
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var highlightstring = '?highlight=' + $.urlencode(hlterms.join(" "));
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// console.debug('SEARCH: searching for:');
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// console.info('required: ', searchterms);
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// console.info('excluded: ', excluded);
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// console.debug("SEARCH: searching for:");
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// console.info("required: ", [...searchTerms]);
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// console.info("excluded: ", [...excludedTerms]);
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// prepare search
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var terms = this._index.terms;
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var titleterms = this._index.titleterms;
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// array of [docname, title, anchor, descr, score, filename]
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let results = [];
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_removeChildren(document.getElementById("search-progress"));
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// array of [filename, title, anchor, descr, score]
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var results = [];
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$('#search-progress').empty();
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const queryLower = query.toLowerCase();
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for (const [title, foundTitles] of Object.entries(allTitles)) {
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if (title.toLowerCase().includes(queryLower) && (queryLower.length >= title.length/2)) {
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for (const [file, id] of foundTitles) {
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let score = Math.round(100 * queryLower.length / title.length)
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results.push([
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docNames[file],
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titles[file] !== title ? `${titles[file]} > ${title}` : title,
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id !== null ? "#" + id : "",
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null,
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score,
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filenames[file],
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]);
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}
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}
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}
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// search for explicit entries in index directives
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for (const [entry, foundEntries] of Object.entries(indexEntries)) {
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if (entry.includes(queryLower) && (queryLower.length >= entry.length/2)) {
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for (const [file, id] of foundEntries) {
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let score = Math.round(100 * queryLower.length / entry.length)
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results.push([
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docNames[file],
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titles[file],
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id ? "#" + id : "",
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null,
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score,
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filenames[file],
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]);
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}
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}
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}
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// lookup as object
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for (i = 0; i < objectterms.length; i++) {
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var others = [].concat(objectterms.slice(0, i),
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objectterms.slice(i+1, objectterms.length));
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results = results.concat(this.performObjectSearch(objectterms[i], others));
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}
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objectTerms.forEach((term) =>
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results.push(...Search.performObjectSearch(term, objectTerms))
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);
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// lookup as search terms in fulltext
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results = results.concat(this.performTermsSearch(searchterms, excluded, terms, titleterms));
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results.push(...Search.performTermsSearch(searchTerms, excludedTerms));
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// let the scorer override scores with a custom scoring function
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if (Scorer.score) {
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for (i = 0; i < results.length; i++)
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results[i][4] = Scorer.score(results[i]);
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}
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if (Scorer.score) results.forEach((item) => (item[4] = Scorer.score(item)));
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// now sort the results by score (in opposite order of appearance, since the
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// display function below uses pop() to retrieve items) and then
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// alphabetically
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results.sort(function(a, b) {
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var left = a[4];
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var right = b[4];
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if (left > right) {
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return 1;
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} else if (left < right) {
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return -1;
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} else {
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results.sort((a, b) => {
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const leftScore = a[4];
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const rightScore = b[4];
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if (leftScore === rightScore) {
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// same score: sort alphabetically
|
||||
left = a[1].toLowerCase();
|
||||
right = b[1].toLowerCase();
|
||||
return (left > right) ? -1 : ((left < right) ? 1 : 0);
|
||||
const leftTitle = a[1].toLowerCase();
|
||||
const rightTitle = b[1].toLowerCase();
|
||||
if (leftTitle === rightTitle) return 0;
|
||||
return leftTitle > rightTitle ? -1 : 1; // inverted is intentional
|
||||
}
|
||||
return leftScore > rightScore ? 1 : -1;
|
||||
});
|
||||
|
||||
// remove duplicate search results
|
||||
// note the reversing of results, so that in the case of duplicates, the highest-scoring entry is kept
|
||||
let seen = new Set();
|
||||
results = results.reverse().reduce((acc, result) => {
|
||||
let resultStr = result.slice(0, 4).concat([result[5]]).map(v => String(v)).join(',');
|
||||
if (!seen.has(resultStr)) {
|
||||
acc.push(result);
|
||||
seen.add(resultStr);
|
||||
}
|
||||
return acc;
|
||||
}, []);
|
||||
|
||||
results = results.reverse();
|
||||
|
||||
// for debugging
|
||||
//Search.lastresults = results.slice(); // a copy
|
||||
//console.info('search results:', Search.lastresults);
|
||||
// console.info("search results:", Search.lastresults);
|
||||
|
||||
// print the results
|
||||
var resultCount = results.length;
|
||||
function displayNextItem() {
|
||||
// results left, load the summary and display it
|
||||
if (results.length) {
|
||||
var item = results.pop();
|
||||
var listItem = $('<li style="display:none"></li>');
|
||||
var requestUrl = "";
|
||||
var linkUrl = "";
|
||||
if (DOCUMENTATION_OPTIONS.BUILDER === 'dirhtml') {
|
||||
// dirhtml builder
|
||||
var dirname = item[0] + '/';
|
||||
if (dirname.match(/\/index\/$/)) {
|
||||
dirname = dirname.substring(0, dirname.length-6);
|
||||
} else if (dirname == 'index/') {
|
||||
dirname = '';
|
||||
}
|
||||
requestUrl = DOCUMENTATION_OPTIONS.URL_ROOT + dirname;
|
||||
linkUrl = requestUrl;
|
||||
|
||||
} else {
|
||||
// normal html builders
|
||||
requestUrl = DOCUMENTATION_OPTIONS.URL_ROOT + item[0] + DOCUMENTATION_OPTIONS.FILE_SUFFIX;
|
||||
linkUrl = item[0] + DOCUMENTATION_OPTIONS.LINK_SUFFIX;
|
||||
}
|
||||
listItem.append($('<a/>').attr('href',
|
||||
linkUrl +
|
||||
highlightstring + item[2]).html(item[1]));
|
||||
if (item[3]) {
|
||||
listItem.append($('<span> (' + item[3] + ')</span>'));
|
||||
Search.output.append(listItem);
|
||||
listItem.slideDown(5, function() {
|
||||
displayNextItem();
|
||||
});
|
||||
} else if (DOCUMENTATION_OPTIONS.HAS_SOURCE) {
|
||||
$.ajax({url: requestUrl,
|
||||
dataType: "text",
|
||||
complete: function(jqxhr, textstatus) {
|
||||
var data = jqxhr.responseText;
|
||||
if (data !== '' && data !== undefined) {
|
||||
listItem.append(Search.makeSearchSummary(data, searchterms, hlterms));
|
||||
}
|
||||
Search.output.append(listItem);
|
||||
listItem.slideDown(5, function() {
|
||||
displayNextItem();
|
||||
});
|
||||
}});
|
||||
} else {
|
||||
// no source available, just display title
|
||||
Search.output.append(listItem);
|
||||
listItem.slideDown(5, function() {
|
||||
displayNextItem();
|
||||
});
|
||||
}
|
||||
}
|
||||
// search finished, update title and status message
|
||||
else {
|
||||
Search.stopPulse();
|
||||
Search.title.text(_('Search Results'));
|
||||
if (!resultCount)
|
||||
Search.status.text(_('Your search did not match any documents. Please make sure that all words are spelled correctly and that you\'ve selected enough categories.'));
|
||||
else
|
||||
Search.status.text(_('Search finished, found %s page(s) matching the search query.').replace('%s', resultCount));
|
||||
Search.status.fadeIn(500);
|
||||
}
|
||||
}
|
||||
displayNextItem();
|
||||
_displayNextItem(results, results.length, searchTerms);
|
||||
},
|
||||
|
||||
/**
|
||||
* search for object names
|
||||
*/
|
||||
performObjectSearch : function(object, otherterms) {
|
||||
var filenames = this._index.filenames;
|
||||
var docnames = this._index.docnames;
|
||||
var objects = this._index.objects;
|
||||
var objnames = this._index.objnames;
|
||||
var titles = this._index.titles;
|
||||
performObjectSearch: (object, objectTerms) => {
|
||||
const filenames = Search._index.filenames;
|
||||
const docNames = Search._index.docnames;
|
||||
const objects = Search._index.objects;
|
||||
const objNames = Search._index.objnames;
|
||||
const titles = Search._index.titles;
|
||||
|
||||
var i;
|
||||
var results = [];
|
||||
const results = [];
|
||||
|
||||
for (var prefix in objects) {
|
||||
for (var name in objects[prefix]) {
|
||||
var fullname = (prefix ? prefix + '.' : '') + name;
|
||||
var fullnameLower = fullname.toLowerCase()
|
||||
if (fullnameLower.indexOf(object) > -1) {
|
||||
var score = 0;
|
||||
var parts = fullnameLower.split('.');
|
||||
// check for different match types: exact matches of full name or
|
||||
// "last name" (i.e. last dotted part)
|
||||
if (fullnameLower == object || parts[parts.length - 1] == object) {
|
||||
score += Scorer.objNameMatch;
|
||||
// matches in last name
|
||||
} else if (parts[parts.length - 1].indexOf(object) > -1) {
|
||||
score += Scorer.objPartialMatch;
|
||||
}
|
||||
var match = objects[prefix][name];
|
||||
var objname = objnames[match[1]][2];
|
||||
var title = titles[match[0]];
|
||||
// If more than one term searched for, we require other words to be
|
||||
// found in the name/title/description
|
||||
if (otherterms.length > 0) {
|
||||
var haystack = (prefix + ' ' + name + ' ' +
|
||||
objname + ' ' + title).toLowerCase();
|
||||
var allfound = true;
|
||||
for (i = 0; i < otherterms.length; i++) {
|
||||
if (haystack.indexOf(otherterms[i]) == -1) {
|
||||
allfound = false;
|
||||
break;
|
||||
}
|
||||
}
|
||||
if (!allfound) {
|
||||
continue;
|
||||
}
|
||||
}
|
||||
var descr = objname + _(', in ') + title;
|
||||
const objectSearchCallback = (prefix, match) => {
|
||||
const name = match[4]
|
||||
const fullname = (prefix ? prefix + "." : "") + name;
|
||||
const fullnameLower = fullname.toLowerCase();
|
||||
if (fullnameLower.indexOf(object) < 0) return;
|
||||
|
||||
var anchor = match[3];
|
||||
if (anchor === '')
|
||||
anchor = fullname;
|
||||
else if (anchor == '-')
|
||||
anchor = objnames[match[1]][1] + '-' + fullname;
|
||||
// add custom score for some objects according to scorer
|
||||
if (Scorer.objPrio.hasOwnProperty(match[2])) {
|
||||
score += Scorer.objPrio[match[2]];
|
||||
} else {
|
||||
score += Scorer.objPrioDefault;
|
||||
}
|
||||
results.push([docnames[match[0]], fullname, '#'+anchor, descr, score, filenames[match[0]]]);
|
||||
}
|
||||
let score = 0;
|
||||
const parts = fullnameLower.split(".");
|
||||
|
||||
// check for different match types: exact matches of full name or
|
||||
// "last name" (i.e. last dotted part)
|
||||
if (fullnameLower === object || parts.slice(-1)[0] === object)
|
||||
score += Scorer.objNameMatch;
|
||||
else if (parts.slice(-1)[0].indexOf(object) > -1)
|
||||
score += Scorer.objPartialMatch; // matches in last name
|
||||
|
||||
const objName = objNames[match[1]][2];
|
||||
const title = titles[match[0]];
|
||||
|
||||
// If more than one term searched for, we require other words to be
|
||||
// found in the name/title/description
|
||||
const otherTerms = new Set(objectTerms);
|
||||
otherTerms.delete(object);
|
||||
if (otherTerms.size > 0) {
|
||||
const haystack = `${prefix} ${name} ${objName} ${title}`.toLowerCase();
|
||||
if (
|
||||
[...otherTerms].some((otherTerm) => haystack.indexOf(otherTerm) < 0)
|
||||
)
|
||||
return;
|
||||
}
|
||||
}
|
||||
|
||||
let anchor = match[3];
|
||||
if (anchor === "") anchor = fullname;
|
||||
else if (anchor === "-") anchor = objNames[match[1]][1] + "-" + fullname;
|
||||
|
||||
const descr = objName + _(", in ") + title;
|
||||
|
||||
// add custom score for some objects according to scorer
|
||||
if (Scorer.objPrio.hasOwnProperty(match[2]))
|
||||
score += Scorer.objPrio[match[2]];
|
||||
else score += Scorer.objPrioDefault;
|
||||
|
||||
results.push([
|
||||
docNames[match[0]],
|
||||
fullname,
|
||||
"#" + anchor,
|
||||
descr,
|
||||
score,
|
||||
filenames[match[0]],
|
||||
]);
|
||||
};
|
||||
Object.keys(objects).forEach((prefix) =>
|
||||
objects[prefix].forEach((array) =>
|
||||
objectSearchCallback(prefix, array)
|
||||
)
|
||||
);
|
||||
return results;
|
||||
},
|
||||
|
||||
/**
|
||||
* search for full-text terms in the index
|
||||
*/
|
||||
performTermsSearch : function(searchterms, excluded, terms, titleterms) {
|
||||
var docnames = this._index.docnames;
|
||||
var filenames = this._index.filenames;
|
||||
var titles = this._index.titles;
|
||||
performTermsSearch: (searchTerms, excludedTerms) => {
|
||||
// prepare search
|
||||
const terms = Search._index.terms;
|
||||
const titleTerms = Search._index.titleterms;
|
||||
const filenames = Search._index.filenames;
|
||||
const docNames = Search._index.docnames;
|
||||
const titles = Search._index.titles;
|
||||
|
||||
var i, j, file;
|
||||
var fileMap = {};
|
||||
var scoreMap = {};
|
||||
var results = [];
|
||||
const scoreMap = new Map();
|
||||
const fileMap = new Map();
|
||||
|
||||
// perform the search on the required terms
|
||||
for (i = 0; i < searchterms.length; i++) {
|
||||
var word = searchterms[i];
|
||||
var files = [];
|
||||
var _o = [
|
||||
{files: terms[word], score: Scorer.term},
|
||||
{files: titleterms[word], score: Scorer.title}
|
||||
searchTerms.forEach((word) => {
|
||||
const files = [];
|
||||
const arr = [
|
||||
{ files: terms[word], score: Scorer.term },
|
||||
{ files: titleTerms[word], score: Scorer.title },
|
||||
];
|
||||
// add support for partial matches
|
||||
if (word.length > 2) {
|
||||
for (var w in terms) {
|
||||
if (w.match(word) && !terms[word]) {
|
||||
_o.push({files: terms[w], score: Scorer.partialTerm})
|
||||
}
|
||||
}
|
||||
for (var w in titleterms) {
|
||||
if (w.match(word) && !titleterms[word]) {
|
||||
_o.push({files: titleterms[w], score: Scorer.partialTitle})
|
||||
}
|
||||
}
|
||||
const escapedWord = _escapeRegExp(word);
|
||||
Object.keys(terms).forEach((term) => {
|
||||
if (term.match(escapedWord) && !terms[word])
|
||||
arr.push({ files: terms[term], score: Scorer.partialTerm });
|
||||
});
|
||||
Object.keys(titleTerms).forEach((term) => {
|
||||
if (term.match(escapedWord) && !titleTerms[word])
|
||||
arr.push({ files: titleTerms[word], score: Scorer.partialTitle });
|
||||
});
|
||||
}
|
||||
|
||||
// no match but word was a required one
|
||||
if ($u.every(_o, function(o){return o.files === undefined;})) {
|
||||
break;
|
||||
}
|
||||
if (arr.every((record) => record.files === undefined)) return;
|
||||
|
||||
// found search word in contents
|
||||
$u.each(_o, function(o) {
|
||||
var _files = o.files;
|
||||
if (_files === undefined)
|
||||
return
|
||||
arr.forEach((record) => {
|
||||
if (record.files === undefined) return;
|
||||
|
||||
if (_files.length === undefined)
|
||||
_files = [_files];
|
||||
files = files.concat(_files);
|
||||
let recordFiles = record.files;
|
||||
if (recordFiles.length === undefined) recordFiles = [recordFiles];
|
||||
files.push(...recordFiles);
|
||||
|
||||
// set score for the word in each file to Scorer.term
|
||||
for (j = 0; j < _files.length; j++) {
|
||||
file = _files[j];
|
||||
if (!(file in scoreMap))
|
||||
scoreMap[file] = {};
|
||||
scoreMap[file][word] = o.score;
|
||||
}
|
||||
// set score for the word in each file
|
||||
recordFiles.forEach((file) => {
|
||||
if (!scoreMap.has(file)) scoreMap.set(file, {});
|
||||
scoreMap.get(file)[word] = record.score;
|
||||
});
|
||||
});
|
||||
|
||||
// create the mapping
|
||||
for (j = 0; j < files.length; j++) {
|
||||
file = files[j];
|
||||
if (file in fileMap && fileMap[file].indexOf(word) === -1)
|
||||
fileMap[file].push(word);
|
||||
else
|
||||
fileMap[file] = [word];
|
||||
}
|
||||
}
|
||||
files.forEach((file) => {
|
||||
if (fileMap.has(file) && fileMap.get(file).indexOf(word) === -1)
|
||||
fileMap.get(file).push(word);
|
||||
else fileMap.set(file, [word]);
|
||||
});
|
||||
});
|
||||
|
||||
// now check if the files don't contain excluded terms
|
||||
for (file in fileMap) {
|
||||
var valid = true;
|
||||
|
||||
const results = [];
|
||||
for (const [file, wordList] of fileMap) {
|
||||
// check if all requirements are matched
|
||||
var filteredTermCount = // as search terms with length < 3 are discarded: ignore
|
||||
searchterms.filter(function(term){return term.length > 2}).length
|
||||
|
||||
// as search terms with length < 3 are discarded
|
||||
const filteredTermCount = [...searchTerms].filter(
|
||||
(term) => term.length > 2
|
||||
).length;
|
||||
if (
|
||||
fileMap[file].length != searchterms.length &&
|
||||
fileMap[file].length != filteredTermCount
|
||||
) continue;
|
||||
wordList.length !== searchTerms.size &&
|
||||
wordList.length !== filteredTermCount
|
||||
)
|
||||
continue;
|
||||
|
||||
// ensure that none of the excluded terms is in the search result
|
||||
for (i = 0; i < excluded.length; i++) {
|
||||
if (terms[excluded[i]] == file ||
|
||||
titleterms[excluded[i]] == file ||
|
||||
$u.contains(terms[excluded[i]] || [], file) ||
|
||||
$u.contains(titleterms[excluded[i]] || [], file)) {
|
||||
valid = false;
|
||||
break;
|
||||
}
|
||||
}
|
||||
if (
|
||||
[...excludedTerms].some(
|
||||
(term) =>
|
||||
terms[term] === file ||
|
||||
titleTerms[term] === file ||
|
||||
(terms[term] || []).includes(file) ||
|
||||
(titleTerms[term] || []).includes(file)
|
||||
)
|
||||
)
|
||||
break;
|
||||
|
||||
// if we have still a valid result we can add it to the result list
|
||||
if (valid) {
|
||||
// select one (max) score for the file.
|
||||
// for better ranking, we should calculate ranking by using words statistics like basic tf-idf...
|
||||
var score = $u.max($u.map(fileMap[file], function(w){return scoreMap[file][w]}));
|
||||
results.push([docnames[file], titles[file], '', null, score, filenames[file]]);
|
||||
}
|
||||
// select one (max) score for the file.
|
||||
const score = Math.max(...wordList.map((w) => scoreMap.get(file)[w]));
|
||||
// add result to the result list
|
||||
results.push([
|
||||
docNames[file],
|
||||
titles[file],
|
||||
"",
|
||||
null,
|
||||
score,
|
||||
filenames[file],
|
||||
]);
|
||||
}
|
||||
return results;
|
||||
},
|
||||
|
|
@ -484,31 +539,28 @@ var Search = {
|
|||
/**
|
||||
* helper function to return a node containing the
|
||||
* search summary for a given text. keywords is a list
|
||||
* of stemmed words, hlwords is the list of normal, unstemmed
|
||||
* words. the first one is used to find the occurrence, the
|
||||
* latter for highlighting it.
|
||||
* of stemmed words.
|
||||
*/
|
||||
makeSearchSummary : function(htmlText, keywords, hlwords) {
|
||||
var text = Search.htmlToText(htmlText);
|
||||
var textLower = text.toLowerCase();
|
||||
var start = 0;
|
||||
$.each(keywords, function() {
|
||||
var i = textLower.indexOf(this.toLowerCase());
|
||||
if (i > -1)
|
||||
start = i;
|
||||
});
|
||||
start = Math.max(start - 120, 0);
|
||||
var excerpt = ((start > 0) ? '...' : '') +
|
||||
$.trim(text.substr(start, 240)) +
|
||||
((start + 240 - text.length) ? '...' : '');
|
||||
var rv = $('<div class="context"></div>').text(excerpt);
|
||||
$.each(hlwords, function() {
|
||||
rv = rv.highlightText(this, 'highlighted');
|
||||
});
|
||||
return rv;
|
||||
}
|
||||
makeSearchSummary: (htmlText, keywords) => {
|
||||
const text = Search.htmlToText(htmlText);
|
||||
if (text === "") return null;
|
||||
|
||||
const textLower = text.toLowerCase();
|
||||
const actualStartPosition = [...keywords]
|
||||
.map((k) => textLower.indexOf(k.toLowerCase()))
|
||||
.filter((i) => i > -1)
|
||||
.slice(-1)[0];
|
||||
const startWithContext = Math.max(actualStartPosition - 120, 0);
|
||||
|
||||
const top = startWithContext === 0 ? "" : "...";
|
||||
const tail = startWithContext + 240 < text.length ? "..." : "";
|
||||
|
||||
let summary = document.createElement("p");
|
||||
summary.classList.add("context");
|
||||
summary.textContent = top + text.substr(startWithContext, 240).trim() + tail;
|
||||
|
||||
return summary;
|
||||
},
|
||||
};
|
||||
|
||||
$(document).ready(function() {
|
||||
Search.init();
|
||||
});
|
||||
_ready(Search.init);
|
||||
|
|
|
|||
Reference in a new issue