1041 lines
40 KiB
JavaScript
1041 lines
40 KiB
JavaScript
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// Copyright 2014 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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/*jslint browser: true, es5: true */
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/*globals $: true, rootPath: true */
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(function() {
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"use strict";
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// This mapping table should match the discriminants of
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// `rustdoc::html::item_type::ItemType` type in Rust.
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var itemTypes = ["mod",
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"externcrate",
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"import",
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"struct",
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"enum",
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"fn",
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"type",
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"static",
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"trait",
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"impl",
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"tymethod",
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"method",
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"structfield",
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"variant",
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"macro",
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"primitive",
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"associatedtype",
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"constant",
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"associatedconstant"];
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// used for special search precedence
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var TY_PRIMITIVE = itemTypes.indexOf("primitive");
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$('.js-only').removeClass('js-only');
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function getQueryStringParams() {
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var params = {};
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window.location.search.substring(1).split("&").
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map(function(s) {
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var pair = s.split("=");
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params[decodeURIComponent(pair[0])] =
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typeof pair[1] === "undefined" ?
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null : decodeURIComponent(pair[1]);
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});
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return params;
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}
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function browserSupportsHistoryApi() {
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return document.location.protocol != "file:" &&
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window.history && typeof window.history.pushState === "function";
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}
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function highlightSourceLines(ev) {
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var i, from, to, match = window.location.hash.match(/^#?(\d+)(?:-(\d+))?$/);
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if (match) {
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from = parseInt(match[1], 10);
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to = Math.min(50000, parseInt(match[2] || match[1], 10));
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from = Math.min(from, to);
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if ($('#' + from).length === 0) {
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return;
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}
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if (ev === null) { $('#' + from)[0].scrollIntoView(); };
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$('.line-numbers span').removeClass('line-highlighted');
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for (i = from; i <= to; ++i) {
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$('#' + i).addClass('line-highlighted');
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}
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}
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}
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highlightSourceLines(null);
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$(window).on('hashchange', highlightSourceLines);
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// Gets the human-readable string for the virtual-key code of the
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// given KeyboardEvent, ev.
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//
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// This function is meant as a polyfill for KeyboardEvent#key,
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// since it is not supported in Trident. We also test for
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// KeyboardEvent#keyCode because the handleShortcut handler is
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// also registered for the keydown event, because Blink doesn't fire
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// keypress on hitting the Escape key.
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//
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// So I guess you could say things are getting pretty interoperable.
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function getVirtualKey(ev) {
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if ("key" in ev && typeof ev.key != "undefined")
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return ev.key;
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var c = ev.charCode || ev.keyCode;
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if (c == 27)
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return "Escape";
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return String.fromCharCode(c);
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}
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function handleShortcut(ev) {
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if (document.activeElement.tagName == "INPUT")
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return;
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// Don't interfere with browser shortcuts
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if (ev.ctrlKey || ev.altKey || ev.metaKey)
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return;
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switch (getVirtualKey(ev)) {
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case "Escape":
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if (!$("#help").hasClass("hidden")) {
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ev.preventDefault();
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$("#help").addClass("hidden");
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$("body").removeClass("blur");
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} else if (!$("#search").hasClass("hidden")) {
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ev.preventDefault();
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$("#search").addClass("hidden");
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$("#main").removeClass("hidden");
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}
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break;
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case "s":
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case "S":
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ev.preventDefault();
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focusSearchBar();
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break;
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case "+":
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ev.preventDefault();
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toggleAllDocs();
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break;
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case "?":
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if (ev.shiftKey && $("#help").hasClass("hidden")) {
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ev.preventDefault();
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$("#help").removeClass("hidden");
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$("body").addClass("blur");
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}
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break;
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}
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}
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$(document).on("keypress", handleShortcut);
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$(document).on("keydown", handleShortcut);
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$(document).on("click", function(ev) {
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if (!$(ev.target).closest("#help > div").length) {
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$("#help").addClass("hidden");
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$("body").removeClass("blur");
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}
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});
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$('.version-selector').on('change', function() {
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var i, match,
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url = document.location.href,
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stripped = '',
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len = rootPath.match(/\.\.\//g).length + 1;
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for (i = 0; i < len; ++i) {
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match = url.match(/\/[^\/]*$/);
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if (i < len - 1) {
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stripped = match[0] + stripped;
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}
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url = url.substring(0, url.length - match[0].length);
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}
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url += '/' + $('.version-selector').val() + stripped;
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document.location.href = url;
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});
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/**
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* A function to compute the Levenshtein distance between two strings
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* Licensed under the Creative Commons Attribution-ShareAlike 3.0 Unported
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* Full License can be found at http://creativecommons.org/licenses/by-sa/3.0/legalcode
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* This code is an unmodified version of the code written by Marco de Wit
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* and was found at http://stackoverflow.com/a/18514751/745719
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*/
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var levenshtein = (function() {
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var row2 = [];
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return function(s1, s2) {
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if (s1 === s2) {
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return 0;
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}
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var s1_len = s1.length, s2_len = s2.length;
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if (s1_len && s2_len) {
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var i1 = 0, i2 = 0, a, b, c, c2, row = row2;
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while (i1 < s1_len) {
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row[i1] = ++i1;
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}
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while (i2 < s2_len) {
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c2 = s2.charCodeAt(i2);
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a = i2;
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++i2;
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b = i2;
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for (i1 = 0; i1 < s1_len; ++i1) {
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c = a + (s1.charCodeAt(i1) !== c2 ? 1 : 0);
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a = row[i1];
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b = b < a ? (b < c ? b + 1 : c) : (a < c ? a + 1 : c);
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row[i1] = b;
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}
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}
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return b;
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}
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return s1_len + s2_len;
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};
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})();
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function initSearch(rawSearchIndex) {
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var currentResults, index, searchIndex;
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var MAX_LEV_DISTANCE = 3;
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var params = getQueryStringParams();
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// Populate search bar with query string search term when provided,
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// but only if the input bar is empty. This avoid the obnoxious issue
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// where you start trying to do a search, and the index loads, and
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// suddenly your search is gone!
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if ($(".search-input")[0].value === "") {
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$(".search-input")[0].value = params.search || '';
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}
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/**
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* Executes the query and builds an index of results
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* @param {[Object]} query [The user query]
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* @param {[type]} max [The maximum results returned]
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* @param {[type]} searchWords [The list of search words to query
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* against]
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* @return {[type]} [A search index of results]
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*/
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function execQuery(query, max, searchWords) {
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var valLower = query.query.toLowerCase(),
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val = valLower,
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typeFilter = itemTypeFromName(query.type),
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results = [],
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split = valLower.split("::");
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// remove empty keywords
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for (var j = 0; j < split.length; ++j) {
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split[j].toLowerCase();
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if (split[j] === "") {
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split.splice(j, 1);
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}
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}
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function typePassesFilter(filter, type) {
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// No filter
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if (filter < 0) return true;
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// Exact match
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if (filter === type) return true;
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// Match related items
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var name = itemTypes[type];
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switch (itemTypes[filter]) {
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case "constant":
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return (name == "associatedconstant");
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case "fn":
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return (name == "method" || name == "tymethod");
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case "type":
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return (name == "primitive");
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}
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// No match
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return false;
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}
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// quoted values mean literal search
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var nSearchWords = searchWords.length;
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if ((val.charAt(0) === "\"" || val.charAt(0) === "'") &&
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val.charAt(val.length - 1) === val.charAt(0))
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{
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val = val.substr(1, val.length - 2);
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for (var i = 0; i < nSearchWords; ++i) {
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if (searchWords[i] === val) {
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// filter type: ... queries
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if (typePassesFilter(typeFilter, searchIndex[i].ty)) {
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results.push({id: i, index: -1});
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}
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}
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if (results.length === max) {
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break;
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}
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}
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// searching by type
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} else if (val.search("->") > -1) {
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var trimmer = function (s) { return s.trim(); };
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var parts = val.split("->").map(trimmer);
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var input = parts[0];
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// sort inputs so that order does not matter
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var inputs = input.split(",").map(trimmer).sort().toString();
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var output = parts[1];
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for (var i = 0; i < nSearchWords; ++i) {
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var type = searchIndex[i].type;
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if (!type) {
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continue;
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}
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// sort index inputs so that order does not matter
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var typeInputs = type.inputs.map(function (input) {
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return input.name;
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}).sort();
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// allow searching for void (no output) functions as well
|
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var typeOutput = type.output ? type.output.name : "";
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if ((inputs === "*" || inputs === typeInputs.toString()) &&
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(output === "*" || output == typeOutput)) {
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results.push({id: i, index: -1, dontValidate: true});
|
|||
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}
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|||
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}
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|||
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} else {
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|||
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// gather matching search results up to a certain maximum
|
|||
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val = val.replace(/\_/g, "");
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|||
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for (var i = 0; i < split.length; ++i) {
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for (var j = 0; j < nSearchWords; ++j) {
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var lev_distance;
|
|||
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if (searchWords[j].indexOf(split[i]) > -1 ||
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searchWords[j].indexOf(val) > -1 ||
|
|||
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searchWords[j].replace(/_/g, "").indexOf(val) > -1)
|
|||
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{
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|||
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// filter type: ... queries
|
|||
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if (typePassesFilter(typeFilter, searchIndex[j].ty)) {
|
|||
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results.push({
|
|||
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id: j,
|
|||
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index: searchWords[j].replace(/_/g, "").indexOf(val),
|
|||
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lev: 0,
|
|||
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});
|
|||
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}
|
|||
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} else if (
|
|||
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(lev_distance = levenshtein(searchWords[j], val)) <=
|
|||
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MAX_LEV_DISTANCE) {
|
|||
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if (typePassesFilter(typeFilter, searchIndex[j].ty)) {
|
|||
|
|
results.push({
|
|||
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|
id: j,
|
|||
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index: 0,
|
|||
|
|
// we want lev results to go lower than others
|
|||
|
|
lev: lev_distance,
|
|||
|
|
});
|
|||
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|
}
|
|||
|
|
}
|
|||
|
|
if (results.length === max) {
|
|||
|
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break;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
var nresults = results.length;
|
|||
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|
for (var i = 0; i < nresults; ++i) {
|
|||
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|
results[i].word = searchWords[results[i].id];
|
|||
|
|
results[i].item = searchIndex[results[i].id] || {};
|
|||
|
|
}
|
|||
|
|
// if there are no results then return to default and fail
|
|||
|
|
if (results.length === 0) {
|
|||
|
|
return [];
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
results.sort(function sortResults(aaa, bbb) {
|
|||
|
|
var a, b;
|
|||
|
|
|
|||
|
|
// Sort by non levenshtein results and then levenshtein results by the distance
|
|||
|
|
// (less changes required to match means higher rankings)
|
|||
|
|
a = (aaa.lev);
|
|||
|
|
b = (bbb.lev);
|
|||
|
|
if (a !== b) { return a - b; }
|
|||
|
|
|
|||
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|
// sort by crate (non-current crate goes later)
|
|||
|
|
a = (aaa.item.crate !== window.currentCrate);
|
|||
|
|
b = (bbb.item.crate !== window.currentCrate);
|
|||
|
|
if (a !== b) { return a - b; }
|
|||
|
|
|
|||
|
|
// sort by exact match (mismatch goes later)
|
|||
|
|
a = (aaa.word !== valLower);
|
|||
|
|
b = (bbb.word !== valLower);
|
|||
|
|
if (a !== b) { return a - b; }
|
|||
|
|
|
|||
|
|
// sort by item name length (longer goes later)
|
|||
|
|
a = aaa.word.length;
|
|||
|
|
b = bbb.word.length;
|
|||
|
|
if (a !== b) { return a - b; }
|
|||
|
|
|
|||
|
|
// sort by item name (lexicographically larger goes later)
|
|||
|
|
a = aaa.word;
|
|||
|
|
b = bbb.word;
|
|||
|
|
if (a !== b) { return (a > b ? +1 : -1); }
|
|||
|
|
|
|||
|
|
// sort by index of keyword in item name (no literal occurrence goes later)
|
|||
|
|
a = (aaa.index < 0);
|
|||
|
|
b = (bbb.index < 0);
|
|||
|
|
if (a !== b) { return a - b; }
|
|||
|
|
// (later literal occurrence, if any, goes later)
|
|||
|
|
a = aaa.index;
|
|||
|
|
b = bbb.index;
|
|||
|
|
if (a !== b) { return a - b; }
|
|||
|
|
|
|||
|
|
// special precedence for primitive pages
|
|||
|
|
if ((aaa.item.ty === TY_PRIMITIVE) && (bbb.item.ty !== TY_PRIMITIVE)) {
|
|||
|
|
return -1;
|
|||
|
|
}
|
|||
|
|
if ((bbb.item.ty === TY_PRIMITIVE) && (aaa.item.ty !== TY_PRIMITIVE)) {
|
|||
|
|
return 1;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// sort by description (no description goes later)
|
|||
|
|
a = (aaa.item.desc === '');
|
|||
|
|
b = (bbb.item.desc === '');
|
|||
|
|
if (a !== b) { return a - b; }
|
|||
|
|
|
|||
|
|
// sort by type (later occurrence in `itemTypes` goes later)
|
|||
|
|
a = aaa.item.ty;
|
|||
|
|
b = bbb.item.ty;
|
|||
|
|
if (a !== b) { return a - b; }
|
|||
|
|
|
|||
|
|
// sort by path (lexicographically larger goes later)
|
|||
|
|
a = aaa.item.path;
|
|||
|
|
b = bbb.item.path;
|
|||
|
|
if (a !== b) { return (a > b ? +1 : -1); }
|
|||
|
|
|
|||
|
|
// que sera, sera
|
|||
|
|
return 0;
|
|||
|
|
});
|
|||
|
|
|
|||
|
|
// remove duplicates, according to the data provided
|
|||
|
|
for (var i = results.length - 1; i > 0; i -= 1) {
|
|||
|
|
if (results[i].word === results[i - 1].word &&
|
|||
|
|
results[i].item.ty === results[i - 1].item.ty &&
|
|||
|
|
results[i].item.path === results[i - 1].item.path &&
|
|||
|
|
(results[i].item.parent || {}).name === (results[i - 1].item.parent || {}).name)
|
|||
|
|
{
|
|||
|
|
results[i].id = -1;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
for (var i = 0; i < results.length; ++i) {
|
|||
|
|
var result = results[i],
|
|||
|
|
name = result.item.name.toLowerCase(),
|
|||
|
|
path = result.item.path.toLowerCase(),
|
|||
|
|
parent = result.item.parent;
|
|||
|
|
|
|||
|
|
// this validation does not make sense when searching by types
|
|||
|
|
if (result.dontValidate) {
|
|||
|
|
continue;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
var valid = validateResult(name, path, split, parent);
|
|||
|
|
if (!valid) {
|
|||
|
|
result.id = -1;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
return results;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* Validate performs the following boolean logic. For example:
|
|||
|
|
* "File::open" will give IF A PARENT EXISTS => ("file" && "open")
|
|||
|
|
* exists in (name || path || parent) OR => ("file" && "open") exists in
|
|||
|
|
* (name || path )
|
|||
|
|
*
|
|||
|
|
* This could be written functionally, but I wanted to minimise
|
|||
|
|
* functions on stack.
|
|||
|
|
*
|
|||
|
|
* @param {[string]} name [The name of the result]
|
|||
|
|
* @param {[string]} path [The path of the result]
|
|||
|
|
* @param {[string]} keys [The keys to be used (["file", "open"])]
|
|||
|
|
* @param {[object]} parent [The parent of the result]
|
|||
|
|
* @return {[boolean]} [Whether the result is valid or not]
|
|||
|
|
*/
|
|||
|
|
function validateResult(name, path, keys, parent) {
|
|||
|
|
for (var i = 0; i < keys.length; ++i) {
|
|||
|
|
// each check is for validation so we negate the conditions and invalidate
|
|||
|
|
if (!(
|
|||
|
|
// check for an exact name match
|
|||
|
|
name.toLowerCase().indexOf(keys[i]) > -1 ||
|
|||
|
|
// then an exact path match
|
|||
|
|
path.toLowerCase().indexOf(keys[i]) > -1 ||
|
|||
|
|
// next if there is a parent, check for exact parent match
|
|||
|
|
(parent !== undefined &&
|
|||
|
|
parent.name.toLowerCase().indexOf(keys[i]) > -1) ||
|
|||
|
|
// lastly check to see if the name was a levenshtein match
|
|||
|
|
levenshtein(name.toLowerCase(), keys[i]) <=
|
|||
|
|
MAX_LEV_DISTANCE)) {
|
|||
|
|
return false;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
return true;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
function getQuery() {
|
|||
|
|
var matches, type, query, raw = $('.search-input').val();
|
|||
|
|
query = raw;
|
|||
|
|
|
|||
|
|
matches = query.match(/^(fn|mod|struct|enum|trait|type|const|macro)\s*:\s*/i);
|
|||
|
|
if (matches) {
|
|||
|
|
type = matches[1].replace(/^const$/, 'constant');
|
|||
|
|
query = query.substring(matches[0].length);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
return {
|
|||
|
|
raw: raw,
|
|||
|
|
query: query,
|
|||
|
|
type: type,
|
|||
|
|
id: query + type
|
|||
|
|
};
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
function initSearchNav() {
|
|||
|
|
var hoverTimeout, $results = $('.search-results .result');
|
|||
|
|
|
|||
|
|
$results.on('click', function() {
|
|||
|
|
var dst = $(this).find('a')[0];
|
|||
|
|
if (window.location.pathname === dst.pathname) {
|
|||
|
|
$('#search').addClass('hidden');
|
|||
|
|
$('#main').removeClass('hidden');
|
|||
|
|
document.location.href = dst.href;
|
|||
|
|
}
|
|||
|
|
}).on('mouseover', function() {
|
|||
|
|
var $el = $(this);
|
|||
|
|
clearTimeout(hoverTimeout);
|
|||
|
|
hoverTimeout = setTimeout(function() {
|
|||
|
|
$results.removeClass('highlighted');
|
|||
|
|
$el.addClass('highlighted');
|
|||
|
|
}, 20);
|
|||
|
|
});
|
|||
|
|
|
|||
|
|
$(document).off('keydown.searchnav');
|
|||
|
|
$(document).on('keydown.searchnav', function(e) {
|
|||
|
|
var $active = $results.filter('.highlighted');
|
|||
|
|
|
|||
|
|
if (e.which === 38) { // up
|
|||
|
|
if (!$active.length || !$active.prev()) {
|
|||
|
|
return;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
$active.prev().addClass('highlighted');
|
|||
|
|
$active.removeClass('highlighted');
|
|||
|
|
} else if (e.which === 40) { // down
|
|||
|
|
if (!$active.length) {
|
|||
|
|
$results.first().addClass('highlighted');
|
|||
|
|
} else if ($active.next().length) {
|
|||
|
|
$active.next().addClass('highlighted');
|
|||
|
|
$active.removeClass('highlighted');
|
|||
|
|
}
|
|||
|
|
} else if (e.which === 13) { // return
|
|||
|
|
if ($active.length) {
|
|||
|
|
document.location.href = $active.find('a').prop('href');
|
|||
|
|
}
|
|||
|
|
} else {
|
|||
|
|
$active.removeClass('highlighted');
|
|||
|
|
}
|
|||
|
|
});
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
function escape(content) {
|
|||
|
|
return $('<h1/>').text(content).html();
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
function showResults(results) {
|
|||
|
|
var output, shown, query = getQuery();
|
|||
|
|
|
|||
|
|
currentResults = query.id;
|
|||
|
|
output = '<h1>Results for ' + escape(query.query) +
|
|||
|
|
(query.type ? ' (type: ' + escape(query.type) + ')' : '') + '</h1>';
|
|||
|
|
output += '<table class="search-results">';
|
|||
|
|
|
|||
|
|
if (results.length > 0) {
|
|||
|
|
shown = [];
|
|||
|
|
|
|||
|
|
results.forEach(function(item) {
|
|||
|
|
var name, type, href, displayPath;
|
|||
|
|
|
|||
|
|
if (shown.indexOf(item) !== -1) {
|
|||
|
|
return;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
shown.push(item);
|
|||
|
|
name = item.name;
|
|||
|
|
type = itemTypes[item.ty];
|
|||
|
|
|
|||
|
|
if (type === 'mod') {
|
|||
|
|
displayPath = item.path + '::';
|
|||
|
|
href = rootPath + item.path.replace(/::/g, '/') + '/' +
|
|||
|
|
name + '/index.html';
|
|||
|
|
} else if (type === 'static' || type === 'reexport') {
|
|||
|
|
displayPath = item.path + '::';
|
|||
|
|
href = rootPath + item.path.replace(/::/g, '/') +
|
|||
|
|
'/index.html';
|
|||
|
|
} else if (type === "primitive") {
|
|||
|
|
displayPath = "";
|
|||
|
|
href = rootPath + item.path.replace(/::/g, '/') +
|
|||
|
|
'/' + type + '.' + name + '.html';
|
|||
|
|
} else if (type === "externcrate") {
|
|||
|
|
displayPath = "";
|
|||
|
|
href = rootPath + name + '/index.html';
|
|||
|
|
} else if (item.parent !== undefined) {
|
|||
|
|
var myparent = item.parent;
|
|||
|
|
var anchor = '#' + type + '.' + name;
|
|||
|
|
displayPath = item.path + '::' + myparent.name + '::';
|
|||
|
|
href = rootPath + item.path.replace(/::/g, '/') +
|
|||
|
|
'/' + itemTypes[myparent.ty] +
|
|||
|
|
'.' + myparent.name +
|
|||
|
|
'.html' + anchor;
|
|||
|
|
} else {
|
|||
|
|
displayPath = item.path + '::';
|
|||
|
|
href = rootPath + item.path.replace(/::/g, '/') +
|
|||
|
|
'/' + type + '.' + name + '.html';
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
output += '<tr class="' + type + ' result"><td>' +
|
|||
|
|
'<a href="' + href + '">' +
|
|||
|
|
displayPath + '<span class="' + type + '">' +
|
|||
|
|
name + '</span></a></td><td>' +
|
|||
|
|
'<a href="' + href + '">' +
|
|||
|
|
'<span class="desc">' + item.desc +
|
|||
|
|
' </span></a></td></tr>';
|
|||
|
|
});
|
|||
|
|
} else {
|
|||
|
|
output += 'No results :( <a href="https://duckduckgo.com/?q=' +
|
|||
|
|
encodeURIComponent('rust ' + query.query) +
|
|||
|
|
'">Try on DuckDuckGo?</a>';
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
output += "</p>";
|
|||
|
|
$('#main.content').addClass('hidden');
|
|||
|
|
$('#search.content').removeClass('hidden').html(output);
|
|||
|
|
$('#search .desc').width($('#search').width() - 40 -
|
|||
|
|
$('#search td:first-child').first().width());
|
|||
|
|
initSearchNav();
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
function search(e) {
|
|||
|
|
var query,
|
|||
|
|
filterdata = [],
|
|||
|
|
obj, i, len,
|
|||
|
|
results = [],
|
|||
|
|
maxResults = 200,
|
|||
|
|
resultIndex;
|
|||
|
|
var params = getQueryStringParams();
|
|||
|
|
|
|||
|
|
query = getQuery();
|
|||
|
|
if (e) {
|
|||
|
|
e.preventDefault();
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (!query.query || query.id === currentResults) {
|
|||
|
|
return;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// Update document title to maintain a meaningful browser history
|
|||
|
|
$(document).prop("title", "Results for " + query.query + " - Rust");
|
|||
|
|
|
|||
|
|
// Because searching is incremental by character, only the most
|
|||
|
|
// recent search query is added to the browser history.
|
|||
|
|
if (browserSupportsHistoryApi()) {
|
|||
|
|
if (!history.state && !params.search) {
|
|||
|
|
history.pushState(query, "", "?search=" +
|
|||
|
|
encodeURIComponent(query.raw));
|
|||
|
|
} else {
|
|||
|
|
history.replaceState(query, "", "?search=" +
|
|||
|
|
encodeURIComponent(query.raw));
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
resultIndex = execQuery(query, 20000, index);
|
|||
|
|
len = resultIndex.length;
|
|||
|
|
for (i = 0; i < len; ++i) {
|
|||
|
|
if (resultIndex[i].id > -1) {
|
|||
|
|
obj = searchIndex[resultIndex[i].id];
|
|||
|
|
filterdata.push([obj.name, obj.ty, obj.path, obj.desc]);
|
|||
|
|
results.push(obj);
|
|||
|
|
}
|
|||
|
|
if (results.length >= maxResults) {
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
showResults(results);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
function itemTypeFromName(typename) {
|
|||
|
|
for (var i = 0; i < itemTypes.length; ++i) {
|
|||
|
|
if (itemTypes[i] === typename) { return i; }
|
|||
|
|
}
|
|||
|
|
return -1;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
function buildIndex(rawSearchIndex) {
|
|||
|
|
searchIndex = [];
|
|||
|
|
var searchWords = [];
|
|||
|
|
for (var crate in rawSearchIndex) {
|
|||
|
|
if (!rawSearchIndex.hasOwnProperty(crate)) { continue; }
|
|||
|
|
|
|||
|
|
searchWords.push(crate);
|
|||
|
|
searchIndex.push({
|
|||
|
|
crate: crate,
|
|||
|
|
ty: 1, // == ExternCrate
|
|||
|
|
name: crate,
|
|||
|
|
path: "",
|
|||
|
|
desc: rawSearchIndex[crate].doc,
|
|||
|
|
type: null,
|
|||
|
|
});
|
|||
|
|
|
|||
|
|
// an array of [(Number) item type,
|
|||
|
|
// (String) name,
|
|||
|
|
// (String) full path or empty string for previous path,
|
|||
|
|
// (String) description,
|
|||
|
|
// (Number | null) the parent path index to `paths`]
|
|||
|
|
// (Object | null) the type of the function (if any)
|
|||
|
|
var items = rawSearchIndex[crate].items;
|
|||
|
|
// an array of [(Number) item type,
|
|||
|
|
// (String) name]
|
|||
|
|
var paths = rawSearchIndex[crate].paths;
|
|||
|
|
|
|||
|
|
// convert `paths` into an object form
|
|||
|
|
var len = paths.length;
|
|||
|
|
for (var i = 0; i < len; ++i) {
|
|||
|
|
paths[i] = {ty: paths[i][0], name: paths[i][1]};
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// convert `items` into an object form, and construct word indices.
|
|||
|
|
//
|
|||
|
|
// before any analysis is performed lets gather the search terms to
|
|||
|
|
// search against apart from the rest of the data. This is a quick
|
|||
|
|
// operation that is cached for the life of the page state so that
|
|||
|
|
// all other search operations have access to this cached data for
|
|||
|
|
// faster analysis operations
|
|||
|
|
var len = items.length;
|
|||
|
|
var lastPath = "";
|
|||
|
|
for (var i = 0; i < len; ++i) {
|
|||
|
|
var rawRow = items[i];
|
|||
|
|
var row = {crate: crate, ty: rawRow[0], name: rawRow[1],
|
|||
|
|
path: rawRow[2] || lastPath, desc: rawRow[3],
|
|||
|
|
parent: paths[rawRow[4]], type: rawRow[5]};
|
|||
|
|
searchIndex.push(row);
|
|||
|
|
if (typeof row.name === "string") {
|
|||
|
|
var word = row.name.toLowerCase();
|
|||
|
|
searchWords.push(word);
|
|||
|
|
} else {
|
|||
|
|
searchWords.push("");
|
|||
|
|
}
|
|||
|
|
lastPath = row.path;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
return searchWords;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
function startSearch() {
|
|||
|
|
var searchTimeout;
|
|||
|
|
$(".search-input").on("keyup input",function() {
|
|||
|
|
clearTimeout(searchTimeout);
|
|||
|
|
if ($(this).val().length === 0) {
|
|||
|
|
if (browserSupportsHistoryApi()) {
|
|||
|
|
history.replaceState("", "std - Rust", "?search=");
|
|||
|
|
}
|
|||
|
|
$('#main.content').removeClass('hidden');
|
|||
|
|
$('#search.content').addClass('hidden');
|
|||
|
|
} else {
|
|||
|
|
searchTimeout = setTimeout(search, 500);
|
|||
|
|
}
|
|||
|
|
});
|
|||
|
|
$('.search-form').on('submit', function(e){
|
|||
|
|
e.preventDefault();
|
|||
|
|
clearTimeout(searchTimeout);
|
|||
|
|
search();
|
|||
|
|
});
|
|||
|
|
$('.search-input').on('change paste', function(e) {
|
|||
|
|
// Do NOT e.preventDefault() here. It will prevent pasting.
|
|||
|
|
clearTimeout(searchTimeout);
|
|||
|
|
// zero-timeout necessary here because at the time of event handler execution the
|
|||
|
|
// pasted content is not in the input field yet. Shouldn’t make any difference for
|
|||
|
|
// change, though.
|
|||
|
|
setTimeout(search, 0);
|
|||
|
|
});
|
|||
|
|
|
|||
|
|
// Push and pop states are used to add search results to the browser
|
|||
|
|
// history.
|
|||
|
|
if (browserSupportsHistoryApi()) {
|
|||
|
|
// Store the previous <title> so we can revert back to it later.
|
|||
|
|
var previousTitle = $(document).prop("title");
|
|||
|
|
|
|||
|
|
$(window).on('popstate', function(e) {
|
|||
|
|
var params = getQueryStringParams();
|
|||
|
|
// When browsing back from search results the main page
|
|||
|
|
// visibility must be reset.
|
|||
|
|
if (!params.search) {
|
|||
|
|
$('#main.content').removeClass('hidden');
|
|||
|
|
$('#search.content').addClass('hidden');
|
|||
|
|
}
|
|||
|
|
// Revert to the previous title manually since the History
|
|||
|
|
// API ignores the title parameter.
|
|||
|
|
$(document).prop("title", previousTitle);
|
|||
|
|
// When browsing forward to search results the previous
|
|||
|
|
// search will be repeated, so the currentResults are
|
|||
|
|
// cleared to ensure the search is successful.
|
|||
|
|
currentResults = null;
|
|||
|
|
// Synchronize search bar with query string state and
|
|||
|
|
// perform the search. This will empty the bar if there's
|
|||
|
|
// nothing there, which lets you really go back to a
|
|||
|
|
// previous state with nothing in the bar.
|
|||
|
|
$('.search-input').val(params.search);
|
|||
|
|
// Some browsers fire 'onpopstate' for every page load
|
|||
|
|
// (Chrome), while others fire the event only when actually
|
|||
|
|
// popping a state (Firefox), which is why search() is
|
|||
|
|
// called both here and at the end of the startSearch()
|
|||
|
|
// function.
|
|||
|
|
search();
|
|||
|
|
});
|
|||
|
|
}
|
|||
|
|
search();
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
function plainSummaryLine(markdown) {
|
|||
|
|
markdown.replace(/\n/g, ' ')
|
|||
|
|
.replace(/'/g, "\'")
|
|||
|
|
.replace(/^#+? (.+?)/, "$1")
|
|||
|
|
.replace(/\[(.*?)\]\(.*?\)/g, "$1")
|
|||
|
|
.replace(/\[(.*?)\]\[.*?\]/g, "$1");
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
index = buildIndex(rawSearchIndex);
|
|||
|
|
startSearch();
|
|||
|
|
|
|||
|
|
// Draw a convenient sidebar of known crates if we have a listing
|
|||
|
|
if (rootPath === '../') {
|
|||
|
|
var sidebar = $('.sidebar');
|
|||
|
|
var div = $('<div>').attr('class', 'block crate');
|
|||
|
|
div.append($('<h3>').text('Crates'));
|
|||
|
|
var ul = $('<ul>').appendTo(div);
|
|||
|
|
|
|||
|
|
var crates = [];
|
|||
|
|
for (var crate in rawSearchIndex) {
|
|||
|
|
if (!rawSearchIndex.hasOwnProperty(crate)) { continue; }
|
|||
|
|
crates.push(crate);
|
|||
|
|
}
|
|||
|
|
crates.sort();
|
|||
|
|
for (var i = 0; i < crates.length; ++i) {
|
|||
|
|
var klass = 'crate';
|
|||
|
|
if (crates[i] === window.currentCrate) {
|
|||
|
|
klass += ' current';
|
|||
|
|
}
|
|||
|
|
if (rawSearchIndex[crates[i]].items[0]) {
|
|||
|
|
var desc = rawSearchIndex[crates[i]].items[0][3];
|
|||
|
|
var link = $('<a>', {'href': '../' + crates[i] + '/index.html',
|
|||
|
|
'title': plainSummaryLine(desc),
|
|||
|
|
'class': klass}).text(crates[i]);
|
|||
|
|
ul.append($('<li>').append(link));
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
sidebar.append(div);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
window.initSearch = initSearch;
|
|||
|
|
|
|||
|
|
// delayed sidebar rendering.
|
|||
|
|
function initSidebarItems(items) {
|
|||
|
|
var sidebar = $('.sidebar');
|
|||
|
|
var current = window.sidebarCurrent;
|
|||
|
|
|
|||
|
|
function block(shortty, longty) {
|
|||
|
|
var filtered = items[shortty];
|
|||
|
|
if (!filtered) { return; }
|
|||
|
|
|
|||
|
|
var div = $('<div>').attr('class', 'block ' + shortty);
|
|||
|
|
div.append($('<h3>').text(longty));
|
|||
|
|
var ul = $('<ul>').appendTo(div);
|
|||
|
|
|
|||
|
|
for (var i = 0; i < filtered.length; ++i) {
|
|||
|
|
var item = filtered[i];
|
|||
|
|
var name = item[0];
|
|||
|
|
var desc = item[1]; // can be null
|
|||
|
|
|
|||
|
|
var klass = shortty;
|
|||
|
|
if (name === current.name && shortty === current.ty) {
|
|||
|
|
klass += ' current';
|
|||
|
|
}
|
|||
|
|
var path;
|
|||
|
|
if (shortty === 'mod') {
|
|||
|
|
path = name + '/index.html';
|
|||
|
|
} else {
|
|||
|
|
path = shortty + '.' + name + '.html';
|
|||
|
|
}
|
|||
|
|
var link = $('<a>', {'href': current.relpath + path,
|
|||
|
|
'title': desc,
|
|||
|
|
'class': klass}).text(name);
|
|||
|
|
ul.append($('<li>').append(link));
|
|||
|
|
}
|
|||
|
|
sidebar.append(div);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
block("mod", "Modules");
|
|||
|
|
block("struct", "Structs");
|
|||
|
|
block("enum", "Enums");
|
|||
|
|
block("trait", "Traits");
|
|||
|
|
block("fn", "Functions");
|
|||
|
|
block("macro", "Macros");
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
window.initSidebarItems = initSidebarItems;
|
|||
|
|
|
|||
|
|
window.register_implementors = function(imp) {
|
|||
|
|
var list = $('#implementors-list');
|
|||
|
|
var libs = Object.getOwnPropertyNames(imp);
|
|||
|
|
for (var i = 0; i < libs.length; ++i) {
|
|||
|
|
if (libs[i] === currentCrate) { continue; }
|
|||
|
|
var structs = imp[libs[i]];
|
|||
|
|
for (var j = 0; j < structs.length; ++j) {
|
|||
|
|
var code = $('<code>').append(structs[j]);
|
|||
|
|
$.each(code.find('a'), function(idx, a) {
|
|||
|
|
var href = $(a).attr('href');
|
|||
|
|
if (href && href.indexOf('http') !== 0) {
|
|||
|
|
$(a).attr('href', rootPath + href);
|
|||
|
|
}
|
|||
|
|
});
|
|||
|
|
var li = $('<li>').append(code);
|
|||
|
|
list.append(li);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
};
|
|||
|
|
if (window.pending_implementors) {
|
|||
|
|
window.register_implementors(window.pending_implementors);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// See documentation in html/render.rs for what this is doing.
|
|||
|
|
var query = getQueryStringParams();
|
|||
|
|
if (query['gotosrc']) {
|
|||
|
|
window.location = $('#src-' + query['gotosrc']).attr('href');
|
|||
|
|
}
|
|||
|
|
if (query['gotomacrosrc']) {
|
|||
|
|
window.location = $('.srclink').attr('href');
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
function labelForToggleButton(sectionIsCollapsed) {
|
|||
|
|
if (sectionIsCollapsed) {
|
|||
|
|
// button will expand the section
|
|||
|
|
return "+";
|
|||
|
|
}
|
|||
|
|
// button will collapse the section
|
|||
|
|
// note that this text is also set in the HTML template in render.rs
|
|||
|
|
return "\u2212"; // "\u2212" is '−' minus sign
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
function toggleAllDocs() {
|
|||
|
|
var toggle = $("#toggle-all-docs");
|
|||
|
|
if (toggle.hasClass("will-expand")) {
|
|||
|
|
toggle.removeClass("will-expand");
|
|||
|
|
toggle.children(".inner").text(labelForToggleButton(false));
|
|||
|
|
toggle.attr("title", "collapse all docs");
|
|||
|
|
$(".docblock").show();
|
|||
|
|
$(".toggle-label").hide();
|
|||
|
|
$(".toggle-wrapper").removeClass("collapsed");
|
|||
|
|
$(".collapse-toggle").children(".inner").text(labelForToggleButton(false));
|
|||
|
|
} else {
|
|||
|
|
toggle.addClass("will-expand");
|
|||
|
|
toggle.children(".inner").text(labelForToggleButton(true));
|
|||
|
|
toggle.attr("title", "expand all docs");
|
|||
|
|
$(".docblock").hide();
|
|||
|
|
$(".toggle-label").show();
|
|||
|
|
$(".toggle-wrapper").addClass("collapsed");
|
|||
|
|
$(".collapse-toggle").children(".inner").text(labelForToggleButton(true));
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
$("#toggle-all-docs").on("click", toggleAllDocs);
|
|||
|
|
|
|||
|
|
$(document).on("click", ".collapse-toggle", function() {
|
|||
|
|
var toggle = $(this);
|
|||
|
|
var relatedDoc = toggle.parent().next();
|
|||
|
|
if (relatedDoc.is(".stability")) {
|
|||
|
|
relatedDoc = relatedDoc.next();
|
|||
|
|
}
|
|||
|
|
if (relatedDoc.is(".docblock")) {
|
|||
|
|
if (relatedDoc.is(":visible")) {
|
|||
|
|
relatedDoc.slideUp({duration: 'fast', easing: 'linear'});
|
|||
|
|
toggle.parent(".toggle-wrapper").addClass("collapsed");
|
|||
|
|
toggle.children(".inner").text(labelForToggleButton(true));
|
|||
|
|
toggle.children(".toggle-label").fadeIn();
|
|||
|
|
} else {
|
|||
|
|
relatedDoc.slideDown({duration: 'fast', easing: 'linear'});
|
|||
|
|
toggle.parent(".toggle-wrapper").removeClass("collapsed");
|
|||
|
|
toggle.children(".inner").text(labelForToggleButton(false));
|
|||
|
|
toggle.children(".toggle-label").hide();
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
});
|
|||
|
|
|
|||
|
|
$(function() {
|
|||
|
|
var toggle = $("<a/>", {'href': 'javascript:void(0)', 'class': 'collapse-toggle'})
|
|||
|
|
.html("[<span class='inner'></span>]");
|
|||
|
|
toggle.children(".inner").text(labelForToggleButton(false));
|
|||
|
|
|
|||
|
|
$(".method").each(function() {
|
|||
|
|
if ($(this).next().is(".docblock") ||
|
|||
|
|
($(this).next().is(".stability") && $(this).next().next().is(".docblock"))) {
|
|||
|
|
$(this).children().last().after(toggle.clone());
|
|||
|
|
}
|
|||
|
|
});
|
|||
|
|
|
|||
|
|
var mainToggle =
|
|||
|
|
$(toggle).append(
|
|||
|
|
$('<span/>', {'class': 'toggle-label'})
|
|||
|
|
.css('display', 'none')
|
|||
|
|
.html(' Expand description'));
|
|||
|
|
var wrapper = $("<div class='toggle-wrapper'>").append(mainToggle);
|
|||
|
|
$("#main > .docblock").before(wrapper);
|
|||
|
|
});
|
|||
|
|
|
|||
|
|
$('pre.line-numbers').on('click', 'span', function() {
|
|||
|
|
var prev_id = 0;
|
|||
|
|
|
|||
|
|
function set_fragment(name) {
|
|||
|
|
if (browserSupportsHistoryApi()) {
|
|||
|
|
history.replaceState(null, null, '#' + name);
|
|||
|
|
$(window).trigger('hashchange');
|
|||
|
|
} else {
|
|||
|
|
location.replace('#' + name);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
return function(ev) {
|
|||
|
|
var cur_id = parseInt(ev.target.id, 10);
|
|||
|
|
|
|||
|
|
if (ev.shiftKey && prev_id) {
|
|||
|
|
if (prev_id > cur_id) {
|
|||
|
|
var tmp = prev_id;
|
|||
|
|
prev_id = cur_id;
|
|||
|
|
cur_id = tmp;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
set_fragment(prev_id + '-' + cur_id);
|
|||
|
|
} else {
|
|||
|
|
prev_id = cur_id;
|
|||
|
|
|
|||
|
|
set_fragment(cur_id);
|
|||
|
|
}
|
|||
|
|
};
|
|||
|
|
}());
|
|||
|
|
|
|||
|
|
}());
|
|||
|
|
|
|||
|
|
// Sets the focus on the search bar at the top of the page
|
|||
|
|
function focusSearchBar() {
|
|||
|
|
$('.search-input').focus();
|
|||
|
|
}
|