mirror of
https://github.com/rust-lang/rust.git
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421 lines
17 KiB
JavaScript
421 lines
17 KiB
JavaScript
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// Copyright 2013 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 $: true, searchIndex: true, rootPath: true, allPaths: true */
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(function () {
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"use strict";
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var resizeTimeout, interval;
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$('.js-only').removeClass('js-only');
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function resizeShortBlocks() {
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if (resizeTimeout) {
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clearTimeout(resizeTimeout);
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}
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resizeTimeout = setTimeout(function () {
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var contentWidth = $('.content').width();
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$('.docblock.short').width(function () {
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return contentWidth - 40 - $(this).prev().width();
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}).addClass('nowrap');
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}, 150);
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}
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resizeShortBlocks();
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$(window).on('resize', resizeShortBlocks);
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$(document).on('keyup', function (e) {
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if (document.activeElement.tagName === 'INPUT') {
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return;
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}
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if (e.keyCode === 188 && $('#help').hasClass('hidden')) { // question mark
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e.preventDefault();
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$('#help').removeClass('hidden');
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} else if (e.keyCode === 27 && !$('#help').hasClass('hidden')) { // esc
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e.preventDefault();
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$('#help').addClass('hidden');
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} else if (e.keyCode === 83) { // S
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e.preventDefault();
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$('.search-input').focus();
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}
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}).on('click', function (e) {
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if (!$(e.target).closest('#help').length) {
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$('#help').addClass('hidden');
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}
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});
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$('.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 += 1) {
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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 += '/' + $('.version-selector').val() + stripped;
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document.location.href = url;
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});
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function initSearch(searchIndex) {
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var currentResults, index;
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// clear cached values from the search bar
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$(".search-input")[0].value = '';
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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 = query.type,
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results = [],
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aa = 0,
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bb = 0;
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// quoted values mean literal search
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bb = searchWords.length;
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if ((val.charAt(0) === "\"" || val.charAt(0) === "'") && val.charAt(val.length - 1) === val.charAt(0)) {
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val = val.substr(1, val.length - 2);
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for (aa = 0; aa < bb; aa += 1) {
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if (searchWords[aa] === val) {
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// filter type: ... queries
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if (!typeFilter || typeFilter === searchIndex[aa].ty) {
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results.push([aa, -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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} else {
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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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for (aa = 0; aa < bb; aa += 1) {
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if (searchWords[aa].indexOf(val) > -1 || searchWords[aa].replace(/_/g, "").indexOf(val) > -1) {
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// filter type: ... queries
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if (!typeFilter || typeFilter === searchIndex[aa].ty) {
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results.push([aa, searchWords[aa].replace(/_/g, "").indexOf(val)]);
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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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}
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bb = results.length;
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for (aa = 0; aa < bb; aa += 1) {
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results[aa].push(searchIndex[results[aa][0]].ty);
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}
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for (aa = 0; aa < bb; aa += 1) {
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results[aa].push(searchIndex[results[aa][0]].path);
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}
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// if there are no results then return to default and fail
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if (results.length === 0) {
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return [];
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}
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// sort by exact match
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results.sort(function search_complete_sort0(aaa, bbb) {
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if (searchWords[aaa[0]] === valLower && searchWords[bbb[0]] !== valLower) {
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return 1;
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}
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});
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// first sorting attempt
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// sort by item name length
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results.sort(function search_complete_sort1(aaa, bbb) {
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if (searchWords[aaa[0]].length > searchWords[bbb[0]].length) {
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return 1;
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}
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});
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// second sorting attempt
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// sort by item name
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results.sort(function search_complete_sort1(aaa, bbb) {
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if (searchWords[aaa[0]].length === searchWords[bbb[0]].length && searchWords[aaa[0]] > searchWords[bbb[0]]) {
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return 1;
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}
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});
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// third sorting attempt
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// sort by index of keyword in item name
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if (results[0][1] !== -1) {
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results.sort(function search_complete_sort1(aaa, bbb) {
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if (aaa[1] > bbb[1] && bbb[1] === 0) {
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return 1;
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}
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});
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}
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// fourth sorting attempt
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// sort by type
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results.sort(function search_complete_sort3(aaa, bbb) {
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if (searchWords[aaa[0]] === searchWords[bbb[0]] && aaa[2] > bbb[2]) {
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return 1;
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}
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});
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// fifth sorting attempt
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// sort by path
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results.sort(function search_complete_sort4(aaa, bbb) {
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if (searchWords[aaa[0]] === searchWords[bbb[0]] && aaa[2] === bbb[2] && aaa[3] > bbb[3]) {
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return 1;
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}
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});
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// sixth sorting attempt
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// remove duplicates, according to the data provided
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for (aa = results.length - 1; aa > 0; aa -= 1) {
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if (searchWords[results[aa][0]] === searchWords[results[aa - 1][0]] && results[aa][2] === results[aa - 1][2] && results[aa][3] === results[aa - 1][3]) {
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results[aa][0] = -1;
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}
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}
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return results;
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}
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function getQuery() {
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var matches, type, query = $('.search-input').val();
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matches = query.match(/^(fn|mod|str(uct)?|enum|trait|t(ype)?d(ef)?)\s*:\s*/i);
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if (matches) {
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type = matches[1].replace(/^td$/, 'typedef').replace(/^str$/, 'struct').replace(/^tdef$/, 'typedef').replace(/^typed$/, 'typedef');
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query = query.substring(matches[0].length);
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}
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return {
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query: query,
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type: type,
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id: query + type,
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};
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}
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function initSearchNav() {
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var hoverTimeout, $results = $('.search-results .result');
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$results.on('click', function () {
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document.location.href = $(this).find('a').prop('href');
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}).on('mouseover', function () {
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var $el = $(this);
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clearTimeout(hoverTimeout);
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hoverTimeout = setTimeout(function () {
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$results.removeClass('highlighted');
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$el.addClass('highlighted');
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}, 20);
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});
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$(document).off('keyup.searchnav');
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$(document).on('keyup.searchnav', function (e) {
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var $active = $results.filter('.highlighted');
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if (e.keyCode === 38) { // up
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e.preventDefault();
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if (!$active.length || !$active.prev()) {
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return;
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}
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$active.prev().addClass('highlighted');
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$active.removeClass('highlighted');
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} else if (e.keyCode === 40) { // down
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e.preventDefault();
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if (!$active.length) {
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$results.first().addClass('highlighted');
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} else if ($active.next().length) {
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$active.next().addClass('highlighted');
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$active.removeClass('highlighted');
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}
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} else if (e.keyCode === 13) { // return
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e.preventDefault();
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if ($active.length) {
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document.location.href = $active.find('a').prop('href');
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}
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}
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});
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}
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function showResults(results) {
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var output, shown, query = getQuery();
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currentResults = query.id;
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output = '<h1>Results for ' + query.query + (query.type ? ' (type: ' + query.type + ')' : '') + '</h1>';
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output += '<table class="search-results">';
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if (results.length > 0) {
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shown = [];
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results.forEach(function (item) {
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var name, type;
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if (shown.indexOf(item) !== -1) {
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return;
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}
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shown.push(item);
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name = item.name;
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type = item.ty;
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output += '<tr class="' + type + ' result"><td>';
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if (type === 'mod') {
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output += item.path + '::<a href="' + rootPath + item.path.replace(/::/g, '/') + '/' + name + '/index.html" class="' + type + '">' + name + '</a>';
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} else if (type === 'static' || type === 'reexport') {
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output += item.path + '::<a href="' + rootPath + item.path.replace(/::/g, '/') + '/index.html" class="' + type + '">' + name + '</a>';
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} else if (item.parent !== undefined) {
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var myparent = allPaths[item.parent];
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output += item.path + '::' + myparent.name + '::<a href="' + rootPath + item.path.replace(/::/g, '/') + '/' + myparent.type + '.' + myparent.name + '.html" class="' + type + '">' + name + '</a>';
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} else {
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output += item.path + '::<a href="' + rootPath + item.path.replace(/::/g, '/') + '/' + type + '.' + name + '.html" class="' + type + '">' + name + '</a>';
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}
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output += '</td><td><span class="desc">' + item.desc + '</span></td></tr>';
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});
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} else {
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output += 'No results :( <a href="https://duckduckgo.com/?q=' + encodeURIComponent('rust ' + query.query) + '">Try on DuckDuckGo?</a>';
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}
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output += "</p>";
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$('.content').html(output);
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$('.search-results .desc').width($('.content').width() - 40 - $('.content td:first-child').first().width());
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initSearchNav();
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}
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function search(e) {
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var query, filterdata = [], obj, i, len,
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results = [],
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maxResults = 200,
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resultIndex;
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query = getQuery();
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if (e) {
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e.preventDefault();
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}
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if (!query.query || query.id === currentResults) {
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return;
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}
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resultIndex = execQuery(query, 20000, index);
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len = resultIndex.length;
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for (i = 0; i < len; i += 1) {
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if (resultIndex[i][0] > -1) {
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obj = searchIndex[resultIndex[i][0]];
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filterdata.push([obj.name, obj.ty, obj.path, obj.desc]);
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results.push(obj);
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}
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if (results.length >= maxResults) {
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break;
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}
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}
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// TODO add sorting capability through this function?
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//
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// // the handler for the table heading filtering
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// filterdraw = function search_complete_filterdraw(node) {
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// var name = "",
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// arrow = "",
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// op = 0,
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// tbody = node.parentNode.parentNode.nextSibling,
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// anchora = {},
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// tra = {},
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// tha = {},
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// td1a = {},
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// td2a = {},
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// td3a = {},
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// aaa = 0,
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// bbb = 0;
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//
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// // the 4 following conditions set the rules for each
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// // table heading
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// if (node === ths[0]) {
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// op = 0;
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// name = "name";
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// ths[1].innerHTML = ths[1].innerHTML.split(" ")[0];
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// ths[2].innerHTML = ths[2].innerHTML.split(" ")[0];
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// ths[3].innerHTML = ths[3].innerHTML.split(" ")[0];
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// }
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// if (node === ths[1]) {
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// op = 1;
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// name = "type";
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// ths[0].innerHTML = ths[0].innerHTML.split(" ")[0];
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// ths[2].innerHTML = ths[2].innerHTML.split(" ")[0];
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// ths[3].innerHTML = ths[3].innerHTML.split(" ")[0];
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// }
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// if (node === ths[2]) {
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// op = 2;
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// name = "path";
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// ths[0].innerHTML = ths[0].innerHTML.split(" ")[0];
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// ths[1].innerHTML = ths[1].innerHTML.split(" ")[0];
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// ths[3].innerHTML = ths[3].innerHTML.split(" ")[0];
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// }
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// if (node === ths[3]) {
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// op = 3;
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// name = "description";
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// ths[0].innerHTML = ths[0].innerHTML.split(" ")[0];
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// ths[1].innerHTML = ths[1].innerHTML.split(" ")[0];
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||
|
|
// ths[2].innerHTML = ths[2].innerHTML.split(" ")[0];
|
||
|
|
// }
|
||
|
|
//
|
||
|
|
// // ascending or descending search
|
||
|
|
// arrow = node.innerHTML.split(" ")[1];
|
||
|
|
// if (arrow === undefined || arrow === "\u25b2") {
|
||
|
|
// arrow = "\u25bc";
|
||
|
|
// } else {
|
||
|
|
// arrow = "\u25b2";
|
||
|
|
// }
|
||
|
|
//
|
||
|
|
// // filter the data
|
||
|
|
// filterdata.sort(function search_complete_filterDraw_sort(xx, yy) {
|
||
|
|
// if ((arrow === "\u25b2" && xx[op].toLowerCase() < yy[op].toLowerCase()) || (arrow === "\u25bc" && xx[op].toLowerCase() > yy[op].toLowerCase())) {
|
||
|
|
// return 1;
|
||
|
|
// }
|
||
|
|
// });
|
||
|
|
// };
|
||
|
|
|
||
|
|
showResults(results);
|
||
|
|
}
|
||
|
|
|
||
|
|
function buildIndex(searchIndex) {
|
||
|
|
var len = searchIndex.length,
|
||
|
|
i = 0,
|
||
|
|
searchWords = [];
|
||
|
|
|
||
|
|
// 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
|
||
|
|
for (i = 0; i < len; i += 1) {
|
||
|
|
if (typeof searchIndex[i].name === "string") {
|
||
|
|
searchWords.push(searchIndex[i].name.toLowerCase());
|
||
|
|
} else {
|
||
|
|
searchWords.push("");
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return searchWords;
|
||
|
|
}
|
||
|
|
|
||
|
|
function startSearch() {
|
||
|
|
var keyUpTimeout;
|
||
|
|
$('.do-search').on('click', search);
|
||
|
|
$('.search-input').on('keyup', function () {
|
||
|
|
clearTimeout(keyUpTimeout);
|
||
|
|
keyUpTimeout = setTimeout(search, 100);
|
||
|
|
});
|
||
|
|
}
|
||
|
|
|
||
|
|
index = buildIndex(searchIndex);
|
||
|
|
startSearch();
|
||
|
|
}
|
||
|
|
|
||
|
|
initSearch(searchIndex);
|
||
|
|
}());
|