| /* |
| * Copyright (c) 2015, 2020, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| var noResult = {l: "No results found"}; |
| var loading = {l: "Loading search index..."}; |
| var catModules = "Modules"; |
| var catPackages = "Packages"; |
| var catTypes = "Types"; |
| var catMembers = "Members"; |
| var catSearchTags = "Search Tags"; |
| var highlight = "<span class=\"result-highlight\">$&</span>"; |
| var searchPattern = ""; |
| var fallbackPattern = ""; |
| var RANKING_THRESHOLD = 2; |
| var NO_MATCH = 0xffff; |
| var MIN_RESULTS = 3; |
| var MAX_RESULTS = 500; |
| var UNNAMED = "<Unnamed>"; |
| function escapeHtml(str) { |
| return str.replace(/</g, "<").replace(/>/g, ">"); |
| } |
| function getHighlightedText(item, matcher, fallbackMatcher) { |
| var escapedItem = escapeHtml(item); |
| var highlighted = escapedItem.replace(matcher, highlight); |
| if (highlighted === escapedItem) { |
| highlighted = escapedItem.replace(fallbackMatcher, highlight) |
| } |
| return highlighted; |
| } |
| function getURLPrefix(ui) { |
| var urlPrefix=""; |
| var slash = "/"; |
| if (ui.item.category === catModules) { |
| return ui.item.l + slash; |
| } else if (ui.item.category === catPackages && ui.item.m) { |
| return ui.item.m + slash; |
| } else if (ui.item.category === catTypes || ui.item.category === catMembers) { |
| if (ui.item.m) { |
| urlPrefix = ui.item.m + slash; |
| } else { |
| $.each(packageSearchIndex, function(index, item) { |
| if (item.m && ui.item.p === item.l) { |
| urlPrefix = item.m + slash; |
| } |
| }); |
| } |
| } |
| return urlPrefix; |
| } |
| function createSearchPattern(term) { |
| var pattern = ""; |
| var isWordToken = false; |
| term.replace(/,\s*/g, ", ").trim().split(/\s+/).forEach(function(w, index) { |
| if (index > 0) { |
| // whitespace between identifiers is significant |
| pattern += (isWordToken && /^\w/.test(w)) ? "\\s+" : "\\s*"; |
| } |
| var tokens = w.split(/(?=[A-Z,.()<>[\/])/); |
| for (var i = 0; i < tokens.length; i++) { |
| var s = tokens[i]; |
| if (s === "") { |
| continue; |
| } |
| pattern += $.ui.autocomplete.escapeRegex(s); |
| isWordToken = /\w$/.test(s); |
| if (isWordToken) { |
| pattern += "([a-z0-9_$<>\\[\\]]*?)"; |
| } |
| } |
| }); |
| return pattern; |
| } |
| function createMatcher(pattern, flags) { |
| var isCamelCase = /[A-Z]/.test(pattern); |
| return new RegExp(pattern, flags + (isCamelCase ? "" : "i")); |
| } |
| var watermark = 'Search'; |
| $(function() { |
| var search = $("#search-input"); |
| var reset = $("#reset-button"); |
| search.val(''); |
| search.prop("disabled", false); |
| reset.prop("disabled", false); |
| search.val(watermark).addClass('watermark'); |
| search.blur(function() { |
| if ($(this).val().length === 0) { |
| $(this).val(watermark).addClass('watermark'); |
| } |
| }); |
| search.on('click keydown paste', function() { |
| if ($(this).val() === watermark) { |
| $(this).val('').removeClass('watermark'); |
| } |
| }); |
| reset.click(function() { |
| search.val('').focus(); |
| }); |
| search.focus()[0].setSelectionRange(0, 0); |
| }); |
| $.widget("custom.catcomplete", $.ui.autocomplete, { |
| _create: function() { |
| this._super(); |
| this.widget().menu("option", "items", "> :not(.ui-autocomplete-category)"); |
| }, |
| _renderMenu: function(ul, items) { |
| var rMenu = this; |
| var currentCategory = ""; |
| rMenu.menu.bindings = $(); |
| $.each(items, function(index, item) { |
| var li; |
| if (item.category && item.category !== currentCategory) { |
| ul.append("<li class=\"ui-autocomplete-category\">" + item.category + "</li>"); |
| currentCategory = item.category; |
| } |
| li = rMenu._renderItemData(ul, item); |
| if (item.category) { |
| li.attr("aria-label", item.category + " : " + item.l); |
| li.attr("class", "result-item"); |
| } else { |
| li.attr("aria-label", item.l); |
| li.attr("class", "result-item"); |
| } |
| }); |
| }, |
| _renderItem: function(ul, item) { |
| var label = ""; |
| var matcher = createMatcher(escapeHtml(searchPattern), "g"); |
| var fallbackMatcher = new RegExp(fallbackPattern, "gi") |
| if (item.category === catModules) { |
| label = getHighlightedText(item.l, matcher, fallbackMatcher); |
| } else if (item.category === catPackages) { |
| label = getHighlightedText(item.l, matcher, fallbackMatcher); |
| } else if (item.category === catTypes) { |
| label = (item.p && item.p !== UNNAMED) |
| ? getHighlightedText(item.p + "." + item.l, matcher, fallbackMatcher) |
| : getHighlightedText(item.l, matcher, fallbackMatcher); |
| } else if (item.category === catMembers) { |
| label = (item.p && item.p !== UNNAMED) |
| ? getHighlightedText(item.p + "." + item.c + "." + item.l, matcher, fallbackMatcher) |
| : getHighlightedText(item.c + "." + item.l, matcher, fallbackMatcher); |
| } else if (item.category === catSearchTags) { |
| label = getHighlightedText(item.l, matcher, fallbackMatcher); |
| } else { |
| label = item.l; |
| } |
| var li = $("<li/>").appendTo(ul); |
| var div = $("<div/>").appendTo(li); |
| if (item.category === catSearchTags && item.h) { |
| if (item.d) { |
| div.html(label + "<span class=\"search-tag-holder-result\"> (" + item.h + ")</span><br><span class=\"search-tag-desc-result\">" |
| + item.d + "</span><br>"); |
| } else { |
| div.html(label + "<span class=\"search-tag-holder-result\"> (" + item.h + ")</span>"); |
| } |
| } else { |
| if (item.m) { |
| div.html(item.m + "/" + label); |
| } else { |
| div.html(label); |
| } |
| } |
| return li; |
| } |
| }); |
| function rankMatch(match, category) { |
| if (!match) { |
| return NO_MATCH; |
| } |
| var index = match.index; |
| var input = match.input; |
| var leftBoundaryMatch = 2; |
| var periferalMatch = 0; |
| // make sure match is anchored on a left word boundary |
| if (index === 0 || /\W/.test(input[index - 1]) || "_" === input[index]) { |
| leftBoundaryMatch = 0; |
| } else if ("_" === input[index - 1] || (input[index] === input[index].toUpperCase() && !/^[A-Z0-9_$]+$/.test(input))) { |
| leftBoundaryMatch = 1; |
| } |
| var matchEnd = index + match[0].length; |
| var leftParen = input.indexOf("("); |
| var endOfName = leftParen > -1 ? leftParen : input.length; |
| // exclude peripheral matches |
| if (category !== catModules && category !== catSearchTags) { |
| var delim = category === catPackages ? "/" : "."; |
| if (leftParen > -1 && leftParen < index) { |
| periferalMatch += 2; |
| } else if (input.lastIndexOf(delim, endOfName) >= matchEnd) { |
| periferalMatch += 2; |
| } |
| } |
| var delta = match[0].length === endOfName ? 0 : 1; // rank full match higher than partial match |
| for (var i = 1; i < match.length; i++) { |
| // lower ranking if parts of the name are missing |
| if (match[i]) |
| delta += match[i].length; |
| } |
| if (category === catTypes) { |
| // lower ranking if a type name contains unmatched camel-case parts |
| if (/[A-Z]/.test(input.substring(matchEnd))) |
| delta += 5; |
| if (/[A-Z]/.test(input.substring(0, index))) |
| delta += 5; |
| } |
| return leftBoundaryMatch + periferalMatch + (delta / 200); |
| |
| } |
| function doSearch(request, response) { |
| var result = []; |
| searchPattern = createSearchPattern(request.term); |
| fallbackPattern = createSearchPattern(request.term.toLowerCase()); |
| if (searchPattern === "") { |
| return this.close(); |
| } |
| var camelCaseMatcher = createMatcher(searchPattern, ""); |
| var fallbackMatcher = new RegExp(fallbackPattern, "i"); |
| |
| function searchIndexWithMatcher(indexArray, matcher, category, nameFunc) { |
| if (indexArray) { |
| var newResults = []; |
| $.each(indexArray, function (i, item) { |
| item.category = category; |
| var ranking = rankMatch(matcher.exec(nameFunc(item)), category); |
| if (ranking < RANKING_THRESHOLD) { |
| newResults.push({ranking: ranking, item: item}); |
| } |
| return newResults.length <= MAX_RESULTS; |
| }); |
| return newResults.sort(function(e1, e2) { |
| return e1.ranking - e2.ranking; |
| }).map(function(e) { |
| return e.item; |
| }); |
| } |
| return []; |
| } |
| function searchIndex(indexArray, category, nameFunc) { |
| var primaryResults = searchIndexWithMatcher(indexArray, camelCaseMatcher, category, nameFunc); |
| result = result.concat(primaryResults); |
| if (primaryResults.length <= MIN_RESULTS && !camelCaseMatcher.ignoreCase) { |
| var secondaryResults = searchIndexWithMatcher(indexArray, fallbackMatcher, category, nameFunc); |
| result = result.concat(secondaryResults.filter(function (item) { |
| return primaryResults.indexOf(item) === -1; |
| })); |
| } |
| } |
| |
| searchIndex(moduleSearchIndex, catModules, function(item) { return item.l; }); |
| searchIndex(packageSearchIndex, catPackages, function(item) { |
| return (item.m && request.term.indexOf("/") > -1) |
| ? (item.m + "/" + item.l) : item.l; |
| }); |
| searchIndex(typeSearchIndex, catTypes, function(item) { |
| return request.term.indexOf(".") > -1 ? item.p + "." + item.l : item.l; |
| }); |
| searchIndex(memberSearchIndex, catMembers, function(item) { |
| return request.term.indexOf(".") > -1 |
| ? item.p + "." + item.c + "." + item.l : item.l; |
| }); |
| searchIndex(tagSearchIndex, catSearchTags, function(item) { return item.l; }); |
| |
| if (!indexFilesLoaded()) { |
| updateSearchResults = function() { |
| doSearch(request, response); |
| } |
| result.unshift(loading); |
| } else { |
| updateSearchResults = function() {}; |
| } |
| response(result); |
| } |
| $(function() { |
| $("#search-input").catcomplete({ |
| minLength: 1, |
| delay: 300, |
| source: doSearch, |
| response: function(event, ui) { |
| if (!ui.content.length) { |
| ui.content.push(noResult); |
| } else { |
| $("#search-input").empty(); |
| } |
| }, |
| autoFocus: true, |
| focus: function(event, ui) { |
| return false; |
| }, |
| position: { |
| collision: "flip" |
| }, |
| select: function(event, ui) { |
| if (ui.item.category) { |
| var url = getURLPrefix(ui); |
| if (ui.item.category === catModules) { |
| url += "module-summary.html"; |
| } else if (ui.item.category === catPackages) { |
| if (ui.item.u) { |
| url = ui.item.u; |
| } else { |
| url += ui.item.l.replace(/\./g, '/') + "/package-summary.html"; |
| } |
| } else if (ui.item.category === catTypes) { |
| if (ui.item.u) { |
| url = ui.item.u; |
| } else if (ui.item.p === UNNAMED) { |
| url += ui.item.l + ".html"; |
| } else { |
| url += ui.item.p.replace(/\./g, '/') + "/" + ui.item.l + ".html"; |
| } |
| } else if (ui.item.category === catMembers) { |
| if (ui.item.p === UNNAMED) { |
| url += ui.item.c + ".html" + "#"; |
| } else { |
| url += ui.item.p.replace(/\./g, '/') + "/" + ui.item.c + ".html" + "#"; |
| } |
| if (ui.item.u) { |
| url += ui.item.u; |
| } else { |
| url += ui.item.l; |
| } |
| } else if (ui.item.category === catSearchTags) { |
| url += ui.item.u; |
| } |
| if (top !== window) { |
| parent.classFrame.location = pathtoroot + url; |
| } else { |
| window.location.href = pathtoroot + url; |
| } |
| $("#search-input").focus(); |
| } |
| } |
| }); |
| }); |
