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354 lines
13 KiB
354 lines
13 KiB
/* |
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* Copyright (c) 2015, 2020, Oracle and/or its affiliates. All rights reserved. |
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* ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms. |
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*/ |
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var noResult = {l: "No results found"}; |
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var loading = {l: "Loading search index..."}; |
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var catModules = "Modules"; |
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var catPackages = "Packages"; |
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var catTypes = "Classes and Interfaces"; |
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var catMembers = "Members"; |
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var catSearchTags = "Search Tags"; |
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var highlight = "<span class=\"result-highlight\">$&</span>"; |
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var searchPattern = ""; |
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var fallbackPattern = ""; |
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var RANKING_THRESHOLD = 2; |
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var NO_MATCH = 0xffff; |
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var MIN_RESULTS = 3; |
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var MAX_RESULTS = 500; |
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var UNNAMED = "<Unnamed>"; |
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function escapeHtml(str) { |
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return str.replace(/</g, "<").replace(/>/g, ">"); |
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} |
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function getHighlightedText(item, matcher, fallbackMatcher) { |
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var escapedItem = escapeHtml(item); |
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var highlighted = escapedItem.replace(matcher, highlight); |
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if (highlighted === escapedItem) { |
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highlighted = escapedItem.replace(fallbackMatcher, highlight) |
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} |
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return highlighted; |
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} |
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function getURLPrefix(ui) { |
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var urlPrefix=""; |
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var slash = "/"; |
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if (ui.item.category === catModules) { |
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return ui.item.l + slash; |
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} else if (ui.item.category === catPackages && ui.item.m) { |
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return ui.item.m + slash; |
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} else if (ui.item.category === catTypes || ui.item.category === catMembers) { |
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if (ui.item.m) { |
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urlPrefix = ui.item.m + slash; |
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} else { |
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$.each(packageSearchIndex, function(index, item) { |
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if (item.m && ui.item.p === item.l) { |
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urlPrefix = item.m + slash; |
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} |
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}); |
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} |
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} |
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return urlPrefix; |
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} |
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function createSearchPattern(term) { |
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var pattern = ""; |
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var isWordToken = false; |
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term.replace(/,\s*/g, ", ").trim().split(/\s+/).forEach(function(w, index) { |
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if (index > 0) { |
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// whitespace between identifiers is significant |
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pattern += (isWordToken && /^\w/.test(w)) ? "\\s+" : "\\s*"; |
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} |
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var tokens = w.split(/(?=[A-Z,.()<>[\/])/); |
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for (var i = 0; i < tokens.length; i++) { |
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var s = tokens[i]; |
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if (s === "") { |
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continue; |
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} |
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pattern += $.ui.autocomplete.escapeRegex(s); |
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isWordToken = /\w$/.test(s); |
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if (isWordToken) { |
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pattern += "([a-z0-9_$<>\\[\\]]*?)"; |
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} |
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} |
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}); |
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return pattern; |
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} |
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function createMatcher(pattern, flags) { |
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var isCamelCase = /[A-Z]/.test(pattern); |
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return new RegExp(pattern, flags + (isCamelCase ? "" : "i")); |
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} |
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var watermark = 'Search'; |
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$(function() { |
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var search = $("#search-input"); |
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var reset = $("#reset-button"); |
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search.val(''); |
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search.prop("disabled", false); |
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reset.prop("disabled", false); |
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search.val(watermark).addClass('watermark'); |
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search.blur(function() { |
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if ($(this).val().length === 0) { |
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$(this).val(watermark).addClass('watermark'); |
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} |
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}); |
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search.on('click keydown paste', function() { |
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if ($(this).val() === watermark) { |
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$(this).val('').removeClass('watermark'); |
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} |
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}); |
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reset.click(function() { |
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search.val('').focus(); |
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}); |
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search.focus()[0].setSelectionRange(0, 0); |
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}); |
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$.widget("custom.catcomplete", $.ui.autocomplete, { |
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_create: function() { |
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this._super(); |
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this.widget().menu("option", "items", "> :not(.ui-autocomplete-category)"); |
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}, |
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_renderMenu: function(ul, items) { |
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var rMenu = this; |
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var currentCategory = ""; |
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rMenu.menu.bindings = $(); |
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$.each(items, function(index, item) { |
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var li; |
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if (item.category && item.category !== currentCategory) { |
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ul.append("<li class=\"ui-autocomplete-category\">" + item.category + "</li>"); |
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currentCategory = item.category; |
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} |
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li = rMenu._renderItemData(ul, item); |
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if (item.category) { |
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li.attr("aria-label", item.category + " : " + item.l); |
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li.attr("class", "result-item"); |
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} else { |
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li.attr("aria-label", item.l); |
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li.attr("class", "result-item"); |
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} |
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}); |
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}, |
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_renderItem: function(ul, item) { |
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var label = ""; |
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var matcher = createMatcher(escapeHtml(searchPattern), "g"); |
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var fallbackMatcher = new RegExp(fallbackPattern, "gi") |
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if (item.category === catModules) { |
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label = getHighlightedText(item.l, matcher, fallbackMatcher); |
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} else if (item.category === catPackages) { |
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label = getHighlightedText(item.l, matcher, fallbackMatcher); |
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} else if (item.category === catTypes) { |
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label = (item.p && item.p !== UNNAMED) |
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? getHighlightedText(item.p + "." + item.l, matcher, fallbackMatcher) |
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: getHighlightedText(item.l, matcher, fallbackMatcher); |
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} else if (item.category === catMembers) { |
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label = (item.p && item.p !== UNNAMED) |
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? getHighlightedText(item.p + "." + item.c + "." + item.l, matcher, fallbackMatcher) |
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: getHighlightedText(item.c + "." + item.l, matcher, fallbackMatcher); |
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} else if (item.category === catSearchTags) { |
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label = getHighlightedText(item.l, matcher, fallbackMatcher); |
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} else { |
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label = item.l; |
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} |
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var li = $("<li/>").appendTo(ul); |
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var div = $("<div/>").appendTo(li); |
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if (item.category === catSearchTags && item.h) { |
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if (item.d) { |
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div.html(label + "<span class=\"search-tag-holder-result\"> (" + item.h + ")</span><br><span class=\"search-tag-desc-result\">" |
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+ item.d + "</span><br>"); |
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} else { |
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div.html(label + "<span class=\"search-tag-holder-result\"> (" + item.h + ")</span>"); |
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} |
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} else { |
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if (item.m) { |
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div.html(item.m + "/" + label); |
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} else { |
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div.html(label); |
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} |
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} |
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return li; |
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} |
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}); |
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function rankMatch(match, category) { |
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if (!match) { |
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return NO_MATCH; |
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} |
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var index = match.index; |
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var input = match.input; |
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var leftBoundaryMatch = 2; |
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var periferalMatch = 0; |
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// make sure match is anchored on a left word boundary |
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if (index === 0 || /\W/.test(input[index - 1]) || "_" === input[index]) { |
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leftBoundaryMatch = 0; |
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} else if ("_" === input[index - 1] || (input[index] === input[index].toUpperCase() && !/^[A-Z0-9_$]+$/.test(input))) { |
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leftBoundaryMatch = 1; |
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} |
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var matchEnd = index + match[0].length; |
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var leftParen = input.indexOf("("); |
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var endOfName = leftParen > -1 ? leftParen : input.length; |
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// exclude peripheral matches |
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if (category !== catModules && category !== catSearchTags) { |
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var delim = category === catPackages ? "/" : "."; |
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if (leftParen > -1 && leftParen < index) { |
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periferalMatch += 2; |
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} else if (input.lastIndexOf(delim, endOfName) >= matchEnd) { |
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periferalMatch += 2; |
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} |
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} |
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var delta = match[0].length === endOfName ? 0 : 1; // rank full match higher than partial match |
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for (var i = 1; i < match.length; i++) { |
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// lower ranking if parts of the name are missing |
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if (match[i]) |
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delta += match[i].length; |
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} |
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if (category === catTypes) { |
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// lower ranking if a type name contains unmatched camel-case parts |
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if (/[A-Z]/.test(input.substring(matchEnd))) |
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delta += 5; |
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if (/[A-Z]/.test(input.substring(0, index))) |
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delta += 5; |
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} |
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return leftBoundaryMatch + periferalMatch + (delta / 200); |
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} |
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function doSearch(request, response) { |
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var result = []; |
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searchPattern = createSearchPattern(request.term); |
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fallbackPattern = createSearchPattern(request.term.toLowerCase()); |
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if (searchPattern === "") { |
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return this.close(); |
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} |
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var camelCaseMatcher = createMatcher(searchPattern, ""); |
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var fallbackMatcher = new RegExp(fallbackPattern, "i"); |
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function searchIndexWithMatcher(indexArray, matcher, category, nameFunc) { |
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if (indexArray) { |
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var newResults = []; |
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$.each(indexArray, function (i, item) { |
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item.category = category; |
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var ranking = rankMatch(matcher.exec(nameFunc(item)), category); |
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if (ranking < RANKING_THRESHOLD) { |
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newResults.push({ranking: ranking, item: item}); |
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} |
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return newResults.length <= MAX_RESULTS; |
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}); |
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return newResults.sort(function(e1, e2) { |
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return e1.ranking - e2.ranking; |
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}).map(function(e) { |
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return e.item; |
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}); |
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} |
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return []; |
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} |
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function searchIndex(indexArray, category, nameFunc) { |
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var primaryResults = searchIndexWithMatcher(indexArray, camelCaseMatcher, category, nameFunc); |
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result = result.concat(primaryResults); |
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if (primaryResults.length <= MIN_RESULTS && !camelCaseMatcher.ignoreCase) { |
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var secondaryResults = searchIndexWithMatcher(indexArray, fallbackMatcher, category, nameFunc); |
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result = result.concat(secondaryResults.filter(function (item) { |
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return primaryResults.indexOf(item) === -1; |
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})); |
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} |
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} |
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searchIndex(moduleSearchIndex, catModules, function(item) { return item.l; }); |
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searchIndex(packageSearchIndex, catPackages, function(item) { |
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return (item.m && request.term.indexOf("/") > -1) |
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? (item.m + "/" + item.l) : item.l; |
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}); |
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searchIndex(typeSearchIndex, catTypes, function(item) { |
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return request.term.indexOf(".") > -1 ? item.p + "." + item.l : item.l; |
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}); |
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searchIndex(memberSearchIndex, catMembers, function(item) { |
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return request.term.indexOf(".") > -1 |
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? item.p + "." + item.c + "." + item.l : item.l; |
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}); |
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searchIndex(tagSearchIndex, catSearchTags, function(item) { return item.l; }); |
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if (!indexFilesLoaded()) { |
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updateSearchResults = function() { |
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doSearch(request, response); |
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} |
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result.unshift(loading); |
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} else { |
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updateSearchResults = function() {}; |
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} |
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response(result); |
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} |
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$(function() { |
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$("#search-input").catcomplete({ |
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minLength: 1, |
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delay: 300, |
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source: doSearch, |
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response: function(event, ui) { |
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if (!ui.content.length) { |
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ui.content.push(noResult); |
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} else { |
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$("#search-input").empty(); |
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} |
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}, |
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autoFocus: true, |
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focus: function(event, ui) { |
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return false; |
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}, |
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position: { |
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collision: "flip" |
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}, |
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select: function(event, ui) { |
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if (ui.item.category) { |
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var url = getURLPrefix(ui); |
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if (ui.item.category === catModules) { |
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url += "module-summary.html"; |
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} else if (ui.item.category === catPackages) { |
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if (ui.item.u) { |
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url = ui.item.u; |
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} else { |
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url += ui.item.l.replace(/\./g, '/') + "/package-summary.html"; |
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} |
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} else if (ui.item.category === catTypes) { |
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if (ui.item.u) { |
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url = ui.item.u; |
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} else if (ui.item.p === UNNAMED) { |
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url += ui.item.l + ".html"; |
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} else { |
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url += ui.item.p.replace(/\./g, '/') + "/" + ui.item.l + ".html"; |
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} |
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} else if (ui.item.category === catMembers) { |
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if (ui.item.p === UNNAMED) { |
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url += ui.item.c + ".html" + "#"; |
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} else { |
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url += ui.item.p.replace(/\./g, '/') + "/" + ui.item.c + ".html" + "#"; |
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} |
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if (ui.item.u) { |
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url += ui.item.u; |
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} else { |
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url += ui.item.l; |
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} |
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} else if (ui.item.category === catSearchTags) { |
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url += ui.item.u; |
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} |
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if (top !== window) { |
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parent.classFrame.location = pathtoroot + url; |
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} else { |
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window.location.href = pathtoroot + url; |
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} |
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$("#search-input").focus(); |
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} |
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} |
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}); |
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});
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