You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
354 lines
13 KiB
354 lines
13 KiB
/*
|
|
* 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();
|
|
}
|
|
}
|
|
});
|
|
});
|
|
|