| /*! |
| * Copyright 2014 The Rust Project Developers. See the COPYRIGHT |
| * file at the top-level directory of this distribution and at |
| * http://rust-lang.org/COPYRIGHT. |
| * |
| * Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or |
| * http://www.apache.org/licenses/LICENSE-2.0> or the MIT license |
| * <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your |
| * option. This file may not be copied, modified, or distributed |
| * except according to those terms. |
| */ |
| |
| /*jslint browser: true, es5: true */ |
| /*globals $: true, rootPath: true */ |
| |
| (function() { |
| "use strict"; |
| |
| // This mapping table should match the discriminants of |
| // `rustdoc::html::item_type::ItemType` type in Rust. |
| var itemTypes = ["mod", |
| "externcrate", |
| "import", |
| "struct", |
| "enum", |
| "fn", |
| "type", |
| "static", |
| "trait", |
| "impl", |
| "tymethod", |
| "method", |
| "structfield", |
| "variant", |
| "macro", |
| "primitive", |
| "associatedtype", |
| "constant", |
| "associatedconstant", |
| "union", |
| "foreigntype"]; |
| |
| // On the search screen, so you remain on the last tab you opened. |
| // |
| // 0 for "In Names" |
| // 1 for "In Parameters" |
| // 2 for "In Return Types" |
| var currentTab = 0; |
| |
| function hasClass(elem, className) { |
| if (elem && className && elem.className) { |
| var elemClass = elem.className; |
| var start = elemClass.indexOf(className); |
| if (start === -1) { |
| return false; |
| } else if (elemClass.length === className.length) { |
| return true; |
| } else { |
| if (start > 0 && elemClass[start - 1] !== ' ') { |
| return false; |
| } |
| var end = start + className.length; |
| if (end < elemClass.length && elemClass[end] !== ' ') { |
| return false; |
| } |
| return true; |
| } |
| if (start > 0 && elemClass[start - 1] !== ' ') { |
| return false; |
| } |
| var end = start + className.length; |
| if (end < elemClass.length && elemClass[end] !== ' ') { |
| return false; |
| } |
| return true; |
| } |
| return false; |
| } |
| |
| function addClass(elem, className) { |
| if (elem && className && !hasClass(elem, className)) { |
| if (elem.className && elem.className.length > 0) { |
| elem.className += ' ' + className; |
| } else { |
| elem.className = className; |
| } |
| } |
| } |
| |
| function removeClass(elem, className) { |
| if (elem && className && elem.className) { |
| elem.className = (" " + elem.className + " ").replace(" " + className + " ", " ") |
| .trim(); |
| } |
| } |
| |
| function onEach(arr, func) { |
| if (arr && arr.length > 0 && func) { |
| for (var i = 0; i < arr.length; i++) { |
| func(arr[i]); |
| } |
| } |
| } |
| |
| function isHidden(elem) { |
| return (elem.offsetParent === null) |
| } |
| |
| function showSidebar() { |
| var elems = document.getElementsByClassName("sidebar-elems")[0]; |
| if (elems) { |
| addClass(elems, "show-it"); |
| } |
| var sidebar = document.getElementsByClassName('sidebar')[0]; |
| if (sidebar) { |
| addClass(sidebar, 'mobile'); |
| var filler = document.getElementById("sidebar-filler"); |
| if (!filler) { |
| var div = document.createElement("div"); |
| div.id = "sidebar-filler"; |
| sidebar.appendChild(div); |
| } |
| } |
| document.getElementsByTagName("body")[0].style.marginTop = '45px'; |
| var themePicker = document.getElementById("theme-picker"); |
| if (themePicker) { |
| themePicker.style.position = "fixed"; |
| } |
| } |
| |
| function hideSidebar() { |
| var elems = document.getElementsByClassName("sidebar-elems")[0]; |
| if (elems) { |
| removeClass(elems, "show-it"); |
| } |
| var sidebar = document.getElementsByClassName('sidebar')[0]; |
| removeClass(sidebar, 'mobile'); |
| var filler = document.getElementById("sidebar-filler"); |
| if (filler) { |
| filler.remove(); |
| } |
| document.getElementsByTagName("body")[0].style.marginTop = ''; |
| var themePicker = document.getElementById("theme-picker"); |
| if (themePicker) { |
| themePicker.style.position = "absolute"; |
| } |
| } |
| |
| // used for special search precedence |
| var TY_PRIMITIVE = itemTypes.indexOf("primitive"); |
| |
| onEach(document.getElementsByClassName('js-only'), function(e) { |
| removeClass(e, 'js-only'); |
| }); |
| |
| function getQueryStringParams() { |
| var params = {}; |
| window.location.search.substring(1).split("&"). |
| map(function(s) { |
| var pair = s.split("="); |
| params[decodeURIComponent(pair[0])] = |
| typeof pair[1] === "undefined" ? null : decodeURIComponent(pair[1]); |
| }); |
| return params; |
| } |
| |
| function browserSupportsHistoryApi() { |
| return document.location.protocol != "file:" && |
| window.history && typeof window.history.pushState === "function"; |
| } |
| |
| function highlightSourceLines(ev) { |
| // If we're in mobile mode, we should add the sidebar in any case. |
| hideSidebar(); |
| var search = document.getElementById("search"); |
| var i, from, to, match = window.location.hash.match(/^#?(\d+)(?:-(\d+))?$/); |
| if (match) { |
| from = parseInt(match[1], 10); |
| to = Math.min(50000, parseInt(match[2] || match[1], 10)); |
| from = Math.min(from, to); |
| var elem = document.getElementById(from); |
| if (!elem) { |
| return; |
| } |
| if (ev === null) { |
| var x = document.getElementById(from); |
| if (x) { |
| x.scrollIntoView(); |
| } |
| } |
| onEach(document.getElementsByClassName('line-numbers'), function(e) { |
| onEach(e.getElementsByTagName('span'), function(i_e) { |
| removeClass(i_e, 'line-highlighted'); |
| }); |
| }) |
| for (i = from; i <= to; ++i) { |
| addClass(document.getElementById(i), 'line-highlighted'); |
| } |
| } else if (ev !== null && search && !hasClass(search, "hidden") && ev.newURL) { |
| addClass(search, "hidden"); |
| removeClass(document.getElementById("main"), "hidden"); |
| var hash = ev.newURL.slice(ev.newURL.indexOf('#') + 1); |
| if (browserSupportsHistoryApi()) { |
| history.replaceState(hash, "", "?search=#" + hash); |
| } |
| var elem = document.getElementById(hash); |
| if (elem) { |
| elem.scrollIntoView(); |
| } |
| } |
| } |
| highlightSourceLines(null); |
| window.onhashchange = highlightSourceLines; |
| |
| // Gets the human-readable string for the virtual-key code of the |
| // given KeyboardEvent, ev. |
| // |
| // This function is meant as a polyfill for KeyboardEvent#key, |
| // since it is not supported in Trident. We also test for |
| // KeyboardEvent#keyCode because the handleShortcut handler is |
| // also registered for the keydown event, because Blink doesn't fire |
| // keypress on hitting the Escape key. |
| // |
| // So I guess you could say things are getting pretty interoperable. |
| function getVirtualKey(ev) { |
| if ("key" in ev && typeof ev.key != "undefined") |
| return ev.key; |
| |
| var c = ev.charCode || ev.keyCode; |
| if (c == 27) |
| return "Escape"; |
| return String.fromCharCode(c); |
| } |
| |
| function displayHelp(display, ev) { |
| if (display === true) { |
| if (hasClass(help, "hidden")) { |
| ev.preventDefault(); |
| removeClass(help, "hidden"); |
| addClass(document.body, "blur"); |
| } |
| } else if (!hasClass(help, "hidden")) { |
| ev.preventDefault(); |
| addClass(help, "hidden"); |
| removeClass(document.body, "blur"); |
| } |
| } |
| |
| function handleShortcut(ev) { |
| if (document.activeElement.tagName === "INPUT") |
| return; |
| |
| // Don't interfere with browser shortcuts |
| if (ev.ctrlKey || ev.altKey || ev.metaKey) |
| return; |
| |
| var help = document.getElementById("help"); |
| switch (getVirtualKey(ev)) { |
| case "Escape": |
| hideModal(); |
| var search = document.getElementById("search"); |
| if (!hasClass(help, "hidden")) { |
| displayHelp(false, ev); |
| } else if (!hasClass(search, "hidden")) { |
| ev.preventDefault(); |
| addClass(search, "hidden"); |
| removeClass(document.getElementById("main"), "hidden"); |
| } |
| defocusSearchBar(); |
| break; |
| |
| case "s": |
| case "S": |
| displayHelp(false, ev); |
| hideModal(); |
| ev.preventDefault(); |
| focusSearchBar(); |
| break; |
| |
| case "+": |
| case "-": |
| ev.preventDefault(); |
| toggleAllDocs(); |
| break; |
| |
| case "?": |
| if (ev.shiftKey) { |
| hideModal(); |
| displayHelp(true, ev); |
| } |
| break; |
| } |
| } |
| |
| document.onkeypress = handleShortcut; |
| document.onkeydown = handleShortcut; |
| document.onclick = function(ev) { |
| if (hasClass(ev.target, 'collapse-toggle')) { |
| collapseDocs(ev.target); |
| } else if (hasClass(ev.target.parentNode, 'collapse-toggle')) { |
| collapseDocs(ev.target.parentNode); |
| } else if (ev.target.tagName === 'SPAN' && hasClass(ev.target.parentNode, 'line-numbers')) { |
| var prev_id = 0; |
| |
| var set_fragment = function (name) { |
| if (browserSupportsHistoryApi()) { |
| history.replaceState(null, null, '#' + name); |
| window.hashchange(); |
| } else { |
| location.replace('#' + name); |
| } |
| }; |
| |
| 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); |
| } |
| } else if (!hasClass(document.getElementById("help"), "hidden")) { |
| addClass(document.getElementById("help"), "hidden"); |
| removeClass(document.body, "blur"); |
| } |
| }; |
| |
| var x = document.getElementsByClassName('version-selector'); |
| if (x.length > 0) { |
| x[0].onchange = function() { |
| var i, match, |
| url = document.location.href, |
| stripped = '', |
| len = rootPath.match(/\.\.\//g).length + 1; |
| |
| for (i = 0; i < len; ++i) { |
| match = url.match(/\/[^\/]*$/); |
| if (i < len - 1) { |
| stripped = match[0] + stripped; |
| } |
| url = url.substring(0, url.length - match[0].length); |
| } |
| |
| url += '/' + document.getElementsByClassName('version-selector')[0].value + stripped; |
| |
| document.location.href = url; |
| }; |
| } |
| |
| /** |
| * A function to compute the Levenshtein distance between two strings |
| * Licensed under the Creative Commons Attribution-ShareAlike 3.0 Unported |
| * Full License can be found at http://creativecommons.org/licenses/by-sa/3.0/legalcode |
| * This code is an unmodified version of the code written by Marco de Wit |
| * and was found at http://stackoverflow.com/a/18514751/745719 |
| */ |
| var levenshtein_row2 = []; |
| function levenshtein(s1, s2) { |
| if (s1 === s2) { |
| return 0; |
| } |
| var s1_len = s1.length, s2_len = s2.length; |
| if (s1_len && s2_len) { |
| var i1 = 0, i2 = 0, a, b, c, c2, row = levenshtein_row2; |
| while (i1 < s1_len) { |
| row[i1] = ++i1; |
| } |
| while (i2 < s2_len) { |
| c2 = s2.charCodeAt(i2); |
| a = i2; |
| ++i2; |
| b = i2; |
| for (i1 = 0; i1 < s1_len; ++i1) { |
| c = a + (s1.charCodeAt(i1) !== c2 ? 1 : 0); |
| a = row[i1]; |
| b = b < a ? (b < c ? b + 1 : c) : (a < c ? a + 1 : c); |
| row[i1] = b; |
| } |
| } |
| return b; |
| } |
| return s1_len + s2_len; |
| } |
| |
| function initSearch(rawSearchIndex) { |
| var currentResults, index, searchIndex; |
| var MAX_LEV_DISTANCE = 3; |
| var MAX_RESULTS = 200; |
| var params = getQueryStringParams(); |
| |
| // Populate search bar with query string search term when provided, |
| // but only if the input bar is empty. This avoid the obnoxious issue |
| // where you start trying to do a search, and the index loads, and |
| // suddenly your search is gone! |
| if (document.getElementsByClassName("search-input")[0].value === "") { |
| document.getElementsByClassName("search-input")[0].value = params.search || ''; |
| } |
| |
| /** |
| * Executes the query and builds an index of results |
| * @param {[Object]} query [The user query] |
| * @param {[type]} searchWords [The list of search words to query |
| * against] |
| * @return {[type]} [A search index of results] |
| */ |
| function execQuery(query, searchWords) { |
| function itemTypeFromName(typename) { |
| for (var i = 0; i < itemTypes.length; ++i) { |
| if (itemTypes[i] === typename) { |
| return i; |
| } |
| } |
| return -1; |
| } |
| |
| var valLower = query.query.toLowerCase(), |
| val = valLower, |
| typeFilter = itemTypeFromName(query.type), |
| results = {}, results_in_args = {}, results_returned = {}, |
| split = valLower.split("::"); |
| |
| for (var z = 0; z < split.length; ++z) { |
| if (split[z] === "") { |
| split.splice(z, 1); |
| z -= 1; |
| } |
| } |
| |
| function transformResults(results, isType) { |
| var out = []; |
| for (i = 0; i < results.length; ++i) { |
| if (results[i].id > -1) { |
| var obj = searchIndex[results[i].id]; |
| obj.lev = results[i].lev; |
| if (isType !== true || obj.type) { |
| out.push(obj); |
| } |
| } |
| if (out.length >= MAX_RESULTS) { |
| break; |
| } |
| } |
| return out; |
| } |
| |
| function sortResults(results, isType) { |
| var ar = []; |
| for (var entry in results) { |
| if (results.hasOwnProperty(entry)) { |
| ar.push(results[entry]); |
| } |
| } |
| results = ar; |
| var nresults = results.length; |
| for (var i = 0; i < nresults; ++i) { |
| 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(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; } |
| |
| // 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; |
| }); |
| |
| for (var i = 0; i < results.length; ++i) { |
| var result = results[i]; |
| |
| // this validation does not make sense when searching by types |
| if (result.dontValidate) { |
| continue; |
| } |
| var name = result.item.name.toLowerCase(), |
| path = result.item.path.toLowerCase(), |
| parent = result.item.parent; |
| |
| if (isType !== true && |
| validateResult(name, path, split, parent) === false) |
| { |
| result.id = -1; |
| } |
| } |
| return transformResults(results); |
| } |
| |
| function extractGenerics(val) { |
| val = val.toLowerCase(); |
| if (val.indexOf('<') !== -1) { |
| var values = val.substring(val.indexOf('<') + 1, val.lastIndexOf('>')); |
| return { |
| name: val.substring(0, val.indexOf('<')), |
| generics: values.split(/\s*,\s*/), |
| }; |
| } |
| return { |
| name: val, |
| generics: [], |
| }; |
| } |
| |
| function checkGenerics(obj, val) { |
| // The names match, but we need to be sure that all generics kinda |
| // match as well. |
| var lev_distance = MAX_LEV_DISTANCE + 1; |
| if (val.generics.length > 0) { |
| if (obj.generics && obj.generics.length >= val.generics.length) { |
| var elems = obj.generics.slice(0); |
| var total = 0; |
| var done = 0; |
| // We need to find the type that matches the most to remove it in order |
| // to move forward. |
| for (var y = 0; y < val.generics.length; ++y) { |
| var lev = { pos: -1, lev: MAX_LEV_DISTANCE + 1}; |
| for (var x = 0; x < elems.length; ++x) { |
| var tmp_lev = levenshtein(elems[x], val.generics[y]); |
| if (tmp_lev < lev.lev) { |
| lev.lev = tmp_lev; |
| lev.pos = x; |
| } |
| } |
| if (lev.pos !== -1) { |
| elems.splice(lev.pos, 1); |
| lev_distance = Math.min(lev.lev, lev_distance); |
| total += lev.lev; |
| done += 1; |
| } else { |
| return MAX_LEV_DISTANCE + 1; |
| } |
| } |
| return lev_distance;//Math.ceil(total / done); |
| } |
| } |
| return MAX_LEV_DISTANCE + 1; |
| } |
| |
| // Check for type name and type generics (if any). |
| function checkType(obj, val, literalSearch) { |
| var lev_distance = MAX_LEV_DISTANCE + 1; |
| if (obj.name === val.name) { |
| if (literalSearch === true) { |
| if (val.generics && val.generics.length !== 0) { |
| if (obj.generics && obj.length >= val.generics.length) { |
| var elems = obj.generics.slice(0); |
| var allFound = true; |
| var x; |
| |
| for (var y = 0; allFound === true && y < val.generics.length; ++y) { |
| allFound = false; |
| for (x = 0; allFound === false && x < elems.length; ++x) { |
| allFound = elems[x] === val.generics[y]; |
| } |
| if (allFound === true) { |
| elems.splice(x - 1, 1); |
| } |
| } |
| if (allFound === true) { |
| return true; |
| } |
| } else { |
| return false; |
| } |
| } |
| return true; |
| } |
| // If the type has generics but don't match, then it won't return at this point. |
| // Otherwise, `checkGenerics` will return 0 and it'll return. |
| if (obj.generics && obj.generics.length !== 0) { |
| var tmp_lev = checkGenerics(obj, val); |
| if (tmp_lev <= MAX_LEV_DISTANCE) { |
| return tmp_lev; |
| } |
| } else { |
| return 0; |
| } |
| } |
| // Names didn't match so let's check if one of the generic types could. |
| if (literalSearch === true) { |
| if (obj.generics && obj.generics.length > 0) { |
| for (var x = 0; x < obj.generics.length; ++x) { |
| if (obj.generics[x] === val.name) { |
| return true; |
| } |
| } |
| } |
| return false; |
| } |
| var lev_distance = Math.min(levenshtein(obj.name, val.name), lev_distance); |
| if (lev_distance <= MAX_LEV_DISTANCE) { |
| lev_distance = Math.min(checkGenerics(obj, val), lev_distance); |
| } else if (obj.generics && obj.generics.length > 0) { |
| // We can check if the type we're looking for is inside the generics! |
| for (var x = 0; x < obj.generics.length; ++x) { |
| lev_distance = Math.min(levenshtein(obj.generics[x], val.name), |
| lev_distance); |
| } |
| } |
| // Now whatever happens, the returned distance is "less good" so we should mark it |
| // as such, and so we add 1 to the distance to make it "less good". |
| return lev_distance + 1; |
| } |
| |
| function findArg(obj, val, literalSearch) { |
| var lev_distance = MAX_LEV_DISTANCE + 1; |
| |
| if (obj && obj.type && obj.type.inputs.length > 0) { |
| for (var i = 0; i < obj.type.inputs.length; i++) { |
| var tmp = checkType(obj.type.inputs[i], val, literalSearch); |
| if (literalSearch === true && tmp === true) { |
| return true; |
| } |
| lev_distance = Math.min(tmp, lev_distance); |
| if (lev_distance === 0) { |
| return 0; |
| } |
| } |
| } |
| return literalSearch === true ? false : lev_distance; |
| } |
| |
| function checkReturned(obj, val, literalSearch) { |
| var lev_distance = MAX_LEV_DISTANCE + 1; |
| |
| if (obj && obj.type && obj.type.output) { |
| var tmp = checkType(obj.type.output, val, literalSearch); |
| if (literalSearch === true && tmp === true) { |
| return true; |
| } |
| lev_distance = Math.min(tmp, lev_distance); |
| if (lev_distance === 0) { |
| return 0; |
| } |
| } |
| return literalSearch === true ? false : lev_distance; |
| } |
| |
| function checkPath(startsWith, lastElem, ty) { |
| if (startsWith.length === 0) { |
| return 0; |
| } |
| var ret_lev = MAX_LEV_DISTANCE + 1; |
| var path = ty.path.split("::"); |
| |
| if (ty.parent && ty.parent.name) { |
| path.push(ty.parent.name.toLowerCase()); |
| } |
| |
| if (startsWith.length > path.length) { |
| return MAX_LEV_DISTANCE + 1; |
| } |
| for (var i = 0; i < path.length; ++i) { |
| if (i + startsWith.length > path.length) { |
| break; |
| } |
| var lev_total = 0; |
| var aborted = false; |
| for (var x = 0; x < startsWith.length; ++x) { |
| var lev = levenshtein(path[i + x], startsWith[x]); |
| if (lev > MAX_LEV_DISTANCE) { |
| aborted = true; |
| break; |
| } |
| lev_total += lev; |
| } |
| if (aborted === false) { |
| ret_lev = Math.min(ret_lev, Math.round(lev_total / startsWith.length)); |
| } |
| } |
| return ret_lev; |
| } |
| |
| function typePassesFilter(filter, type) { |
| // No filter |
| if (filter < 0) return true; |
| |
| // Exact match |
| if (filter === type) return true; |
| |
| // Match related items |
| var name = itemTypes[type]; |
| switch (itemTypes[filter]) { |
| case "constant": |
| return (name == "associatedconstant"); |
| case "fn": |
| return (name == "method" || name == "tymethod"); |
| case "type": |
| return (name == "primitive"); |
| } |
| |
| // No match |
| return false; |
| } |
| |
| function generateId(ty) { |
| if (ty.parent && ty.parent.name) { |
| return itemTypes[ty.ty] + ty.path + ty.parent.name + ty.name; |
| } |
| return itemTypes[ty.ty] + ty.path + ty.name; |
| } |
| |
| // quoted values mean literal search |
| var nSearchWords = searchWords.length; |
| if ((val.charAt(0) === "\"" || val.charAt(0) === "'") && |
| val.charAt(val.length - 1) === val.charAt(0)) |
| { |
| val = extractGenerics(val.substr(1, val.length - 2)); |
| for (var i = 0; i < nSearchWords; ++i) { |
| var in_args = findArg(searchIndex[i], val, true); |
| var returned = checkReturned(searchIndex[i], val, true); |
| var ty = searchIndex[i]; |
| var fullId = generateId(ty); |
| |
| if (searchWords[i] === val.name) { |
| // filter type: ... queries |
| if (typePassesFilter(typeFilter, searchIndex[i].ty) && |
| results[fullId] === undefined) |
| { |
| results[fullId] = {id: i, index: -1}; |
| } |
| } else if ((in_args === true || returned === true) && |
| typePassesFilter(typeFilter, searchIndex[i].ty)) { |
| if (in_args === true || returned === true) { |
| if (in_args === true) { |
| results_in_args[fullId] = { |
| id: i, |
| index: -1, |
| dontValidate: true, |
| }; |
| } |
| if (returned === true) { |
| results_returned[fullId] = { |
| id: i, |
| index: -1, |
| dontValidate: true, |
| }; |
| } |
| } else { |
| results[fullId] = { |
| id: i, |
| index: -1, |
| dontValidate: true, |
| }; |
| } |
| } |
| } |
| query.inputs = [val]; |
| query.output = val; |
| query.search = val; |
| // searching by type |
| } else if (val.search("->") > -1) { |
| var trimmer = function (s) { return s.trim(); }; |
| var parts = val.split("->").map(trimmer); |
| var input = parts[0]; |
| // sort inputs so that order does not matter |
| var inputs = input.split(",").map(trimmer).sort(); |
| for (var i = 0; i < inputs.length; ++i) { |
| inputs[i] = extractGenerics(inputs[i]); |
| } |
| var output = extractGenerics(parts[1]); |
| |
| for (var i = 0; i < nSearchWords; ++i) { |
| var type = searchIndex[i].type; |
| var ty = searchIndex[i]; |
| if (!type) { |
| continue; |
| } |
| var fullId = generateId(ty); |
| |
| // allow searching for void (no output) functions as well |
| var typeOutput = type.output ? type.output.name : ""; |
| var returned = checkReturned(ty, output, true); |
| if (output.name === "*" || returned === true) { |
| var in_args = false; |
| var module = false; |
| |
| if (input === "*") { |
| module = true; |
| } else { |
| var allFound = true; |
| for (var it = 0; allFound === true && it < inputs.length; it++) { |
| allFound = checkType(type, inputs[it], true); |
| } |
| in_args = allFound; |
| } |
| if (in_args === true) { |
| results_in_args[fullId] = { |
| id: i, |
| index: -1, |
| dontValidate: true, |
| }; |
| } |
| if (returned === true) { |
| results_returned[fullId] = { |
| id: i, |
| index: -1, |
| dontValidate: true, |
| }; |
| } |
| if (module === true) { |
| results[fullId] = { |
| id: i, |
| index: -1, |
| dontValidate: true, |
| }; |
| } |
| } |
| } |
| query.inputs = inputs.map(function(input) { |
| return input.name; |
| }); |
| query.output = output.name; |
| } else { |
| query.inputs = [val]; |
| query.output = val; |
| query.search = val; |
| // gather matching search results up to a certain maximum |
| val = val.replace(/\_/g, ""); |
| |
| var valGenerics = extractGenerics(val); |
| |
| var paths = valLower.split("::"); |
| var j; |
| for (j = 0; j < paths.length; ++j) { |
| if (paths[j] === "") { |
| paths.splice(j, 1); |
| j -= 1; |
| } |
| } |
| val = paths[paths.length - 1]; |
| var startsWith = paths.slice(0, paths.length > 1 ? paths.length - 1 : 1); |
| |
| for (j = 0; j < nSearchWords; ++j) { |
| var lev_distance; |
| var ty = searchIndex[j]; |
| if (!ty) { |
| continue; |
| } |
| var lev_add = 0; |
| if (paths.length > 1) { |
| var lev = checkPath(startsWith, paths[paths.length - 1], ty); |
| if (lev > MAX_LEV_DISTANCE) { |
| continue; |
| } else if (lev > 0) { |
| lev_add = 1; |
| } |
| } |
| |
| var returned = MAX_LEV_DISTANCE + 1; |
| var in_args = MAX_LEV_DISTANCE + 1; |
| var index = -1; |
| // we want lev results to go lower than others |
| var lev = MAX_LEV_DISTANCE + 1; |
| var fullId = generateId(ty); |
| |
| if (searchWords[j].indexOf(split[i]) > -1 || |
| searchWords[j].indexOf(val) > -1 || |
| searchWords[j].replace(/_/g, "").indexOf(val) > -1) |
| { |
| // filter type: ... queries |
| if (typePassesFilter(typeFilter, ty.ty) && results[fullId] === undefined) { |
| index = searchWords[j].replace(/_/g, "").indexOf(val); |
| } |
| } |
| if ((lev = levenshtein(searchWords[j], val)) <= MAX_LEV_DISTANCE) { |
| if (typePassesFilter(typeFilter, ty.ty) === false) { |
| lev = MAX_LEV_DISTANCE + 1; |
| } else { |
| lev += 1; |
| } |
| } |
| if ((in_args = findArg(ty, valGenerics)) <= MAX_LEV_DISTANCE) { |
| if (typePassesFilter(typeFilter, ty.ty) === false) { |
| in_args = MAX_LEV_DISTANCE + 1; |
| } |
| } |
| if ((returned = checkReturned(ty, valGenerics)) <= MAX_LEV_DISTANCE) { |
| if (typePassesFilter(typeFilter, ty.ty) === false) { |
| returned = MAX_LEV_DISTANCE + 1; |
| } |
| } |
| |
| lev += lev_add; |
| if (lev > 0 && val.length > 3 && searchWords[j].startsWith(val)) { |
| if (val.length < 6) { |
| lev -= 1; |
| } else { |
| lev = 0; |
| } |
| } |
| if (in_args <= MAX_LEV_DISTANCE) { |
| if (results_in_args[fullId] === undefined) { |
| results_in_args[fullId] = { |
| id: j, |
| index: index, |
| lev: in_args, |
| }; |
| } |
| results_in_args[fullId].lev = |
| Math.min(results_in_args[fullId].lev, in_args); |
| } |
| if (returned <= MAX_LEV_DISTANCE) { |
| if (results_returned[fullId] === undefined) { |
| results_returned[fullId] = { |
| id: j, |
| index: index, |
| lev: returned, |
| }; |
| } |
| results_returned[fullId].lev = |
| Math.min(results_returned[fullId].lev, returned); |
| } |
| if (index !== -1 || lev <= MAX_LEV_DISTANCE) { |
| if (index !== -1) { |
| lev = 0; |
| } |
| if (results[fullId] === undefined) { |
| results[fullId] = { |
| id: j, |
| index: index, |
| lev: lev, |
| }; |
| } |
| results[fullId].lev = Math.min(results[fullId].lev, lev); |
| } |
| } |
| } |
| |
| return { |
| 'in_args': sortResults(results_in_args, true), |
| 'returned': sortResults(results_returned, true), |
| 'others': sortResults(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.indexOf(keys[i]) > -1 || |
| // then an exact path match |
| path.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, keys[i]) <= MAX_LEV_DISTANCE)) { |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| function getQuery(raw) { |
| var matches, type, query; |
| 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; |
| |
| var click_func = function(e) { |
| var el = e.target; |
| // to retrieve the real "owner" of the event. |
| while (el.tagName !== 'TR') { |
| el = el.parentNode; |
| } |
| var dst = e.target.getElementsByTagName('a'); |
| if (dst.length < 1) { |
| return; |
| } |
| dst = dst[0]; |
| if (window.location.pathname === dst.pathname) { |
| addClass(document.getElementById('search'), 'hidden'); |
| removeClass(document.getElementById('main'), 'hidden'); |
| document.location.href = dst.href; |
| } |
| }; |
| var mouseover_func = function(e) { |
| var el = e.target; |
| // to retrieve the real "owner" of the event. |
| while (el.tagName !== 'TR') { |
| el = el.parentNode; |
| } |
| clearTimeout(hoverTimeout); |
| hoverTimeout = setTimeout(function() { |
| onEach(document.getElementsByClassName('search-results'), function(e) { |
| onEach(e.getElementsByClassName('result'), function(i_e) { |
| removeClass(i_e, 'highlighted'); |
| }); |
| }); |
| addClass(el, 'highlighted'); |
| }, 20); |
| }; |
| onEach(document.getElementsByClassName('search-results'), function(e) { |
| onEach(e.getElementsByClassName('result'), function(i_e) { |
| i_e.onclick = click_func; |
| i_e.onmouseover = mouseover_func; |
| }); |
| }); |
| |
| var search_input = document.getElementsByClassName('search-input')[0]; |
| search_input.onkeydown = function(e) { |
| // "actives" references the currently highlighted item in each search tab. |
| // Each array in "actives" represents a tab. |
| var actives = [[], [], []]; |
| // "current" is used to know which tab we're looking into. |
| var current = 0; |
| onEach(document.getElementsByClassName('search-results'), function(e) { |
| onEach(e.getElementsByClassName('highlighted'), function(e) { |
| actives[current].push(e); |
| }); |
| current += 1; |
| }); |
| |
| if (e.which === 38) { // up |
| if (!actives[currentTab].length || |
| !actives[currentTab][0].previousElementSibling) { |
| return; |
| } |
| |
| addClass(actives[currentTab][0].previousElementSibling, 'highlighted'); |
| removeClass(actives[currentTab][0], 'highlighted'); |
| } else if (e.which === 40) { // down |
| if (!actives[currentTab].length) { |
| var results = document.getElementsByClassName('search-results'); |
| if (results.length > 0) { |
| var res = results[currentTab].getElementsByClassName('result'); |
| if (res.length > 0) { |
| addClass(res[0], 'highlighted'); |
| } |
| } |
| } else if (actives[currentTab][0].nextElementSibling) { |
| addClass(actives[currentTab][0].nextElementSibling, 'highlighted'); |
| removeClass(actives[currentTab][0], 'highlighted'); |
| } |
| } else if (e.which === 13) { // return |
| if (actives[currentTab].length) { |
| document.location.href = |
| actives[currentTab][0].getElementsByTagName('a')[0].href; |
| } |
| } else if (e.which === 9) { // tab |
| if (e.shiftKey) { |
| printTab(currentTab > 0 ? currentTab - 1 : 2); |
| } else { |
| printTab(currentTab > 1 ? 0 : currentTab + 1); |
| } |
| e.preventDefault(); |
| } else if (e.which === 16) { // shift |
| // Does nothing, it's just to avoid losing "focus" on the highlighted element. |
| } else if (e.which === 27) { // escape |
| removeClass(actives[currentTab][0], 'highlighted'); |
| document.getElementsByClassName('search-input')[0].value = ''; |
| defocusSearchBar(); |
| } else if (actives[currentTab].length > 0) { |
| removeClass(actives[currentTab][0], 'highlighted'); |
| } |
| }; |
| } |
| |
| function escape(content) { |
| var h1 = document.createElement('h1'); |
| h1.textContent = content; |
| return h1.innerHTML; |
| } |
| |
| function addTab(array, query, display) { |
| var extraStyle = ''; |
| if (display === false) { |
| extraStyle = ' style="display: none;"'; |
| } |
| |
| var output = ''; |
| if (array.length > 0) { |
| output = '<table class="search-results"' + extraStyle + '>'; |
| var shown = []; |
| |
| array.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 === "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; |
| var parentType = itemTypes[myparent.ty]; |
| if (parentType === "primitive") { |
| displayPath = myparent.name + '::'; |
| } else { |
| displayPath = item.path + '::' + myparent.name + '::'; |
| } |
| href = rootPath + item.path.replace(/::/g, '/') + |
| '/' + parentType + |
| '.' + 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">' + escape(item.desc) + |
| ' </span></a></td></tr>'; |
| }); |
| output += '</table>'; |
| } else { |
| output = '<div class="search-failed"' + extraStyle + '>No results :(<br/>' + |
| 'Try on <a href="https://duckduckgo.com/?q=' + |
| encodeURIComponent('rust ' + query.query) + |
| '">DuckDuckGo</a>?</div>'; |
| } |
| return output; |
| } |
| |
| function makeTabHeader(tabNb, text, nbElems) { |
| if (currentTab === tabNb) { |
| return '<div class="selected">' + text + |
| ' <div class="count">(' + nbElems + ')</div></div>'; |
| } |
| return '<div>' + text + ' <div class="count">(' + nbElems + ')</div></div>'; |
| } |
| |
| function showResults(results) { |
| var output, query = getQuery(document.getElementsByClassName('search-input')[0].value); |
| |
| currentResults = query.id; |
| output = '<h1>Results for ' + escape(query.query) + |
| (query.type ? ' (type: ' + escape(query.type) + ')' : '') + '</h1>' + |
| '<div id="titles">' + |
| makeTabHeader(0, "In Names", results['others'].length) + |
| makeTabHeader(1, "In Parameters", results['in_args'].length) + |
| makeTabHeader(2, "In Return Types", results['returned'].length) + |
| '</div><div id="results">'; |
| |
| output += addTab(results['others'], query); |
| output += addTab(results['in_args'], query, false); |
| output += addTab(results['returned'], query, false); |
| output += '</div>'; |
| |
| addClass(document.getElementById('main'), 'hidden'); |
| var search = document.getElementById('search'); |
| removeClass(search, 'hidden'); |
| search.innerHTML = output; |
| var tds = search.getElementsByTagName('td'); |
| var td_width = 0; |
| if (tds.length > 0) { |
| td_width = tds[0].offsetWidth; |
| } |
| var width = search.offsetWidth - 40 - td_width; |
| onEach(search.getElementsByClassName('desc'), function(e) { |
| e.style.width = width + 'px'; |
| }); |
| initSearchNav(); |
| var elems = document.getElementById('titles').childNodes; |
| elems[0].onclick = function() { printTab(0); }; |
| elems[1].onclick = function() { printTab(1); }; |
| elems[2].onclick = function() { printTab(2); }; |
| printTab(currentTab); |
| } |
| |
| function search(e) { |
| var query, |
| obj, i, len, |
| results = {"in_args": [], "returned": [], "others": []}, |
| resultIndex; |
| var params = getQueryStringParams(); |
| |
| query = getQuery(document.getElementsByClassName('search-input')[0].value); |
| if (e) { |
| e.preventDefault(); |
| } |
| |
| if (!query.query || query.id === currentResults) { |
| return; |
| } |
| |
| // Update document title to maintain a meaningful browser history |
| document.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)); |
| } |
| } |
| |
| results = execQuery(query, index); |
| showResults(results); |
| } |
| |
| 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; |
| var callback = function() { |
| var search_input = document.getElementsByClassName('search-input'); |
| if (search_input.length < 1) { return; } |
| search_input = search_input[0]; |
| clearTimeout(searchTimeout); |
| if (search_input.value.length === 0) { |
| if (browserSupportsHistoryApi()) { |
| history.replaceState("", "std - Rust", "?search="); |
| } |
| var main = document.getElementById('main'); |
| if (hasClass(main, 'content')) { |
| removeClass(main, 'hidden'); |
| } |
| var search_c = document.getElementById('search'); |
| if (hasClass(search_c, 'content')) { |
| addClass(search_c, 'hidden'); |
| } |
| } else { |
| searchTimeout = setTimeout(search, 500); |
| } |
| }; |
| var search_input = document.getElementsByClassName("search-input")[0]; |
| search_input.onkeyup = callback; |
| search_input.oninput = callback; |
| document.getElementsByClassName("search-form")[0].onsubmit = function(e) { |
| e.preventDefault(); |
| clearTimeout(searchTimeout); |
| search(); |
| }; |
| search_input.onchange = 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); |
| }; |
| search_input.onpaste = search_input.onchange; |
| |
| // 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.title; |
| |
| window.onpopstate = function(e) { |
| var params = getQueryStringParams(); |
| // When browsing back from search results the main page |
| // visibility must be reset. |
| if (!params.search) { |
| var main = document.getElementById('main'); |
| if (hasClass(main, 'content')) { |
| removeClass(main, 'hidden'); |
| } |
| var search_c = document.getElementById('search'); |
| if (hasClass(search_c, 'content')) { |
| addClass(search_c, 'hidden'); |
| } |
| } |
| // Revert to the previous title manually since the History |
| // API ignores the title parameter. |
| document.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. |
| if (params.search) { |
| document.getElementsByClassName('search-input')[0].value = params.search; |
| } else { |
| document.getElementsByClassName('search-input')[0].value = ''; |
| } |
| // 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(); |
| } |
| |
| index = buildIndex(rawSearchIndex); |
| startSearch(); |
| |
| // Draw a convenient sidebar of known crates if we have a listing |
| if (rootPath === '../') { |
| var sidebar = document.getElementsByClassName('sidebar-elems')[0]; |
| var div = document.createElement('div'); |
| div.className = 'block crate'; |
| div.innerHTML = '<h3>Crates</h3>'; |
| var ul = document.createElement('ul'); |
| div.appendChild(ul); |
| |
| 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'; |
| } |
| var link = document.createElement('a'); |
| link.href = '../' + crates[i] + '/index.html'; |
| link.title = rawSearchIndex[crates[i]].doc; |
| link.className = klass; |
| link.textContent = crates[i]; |
| |
| var li = document.createElement('li'); |
| li.appendChild(link); |
| ul.appendChild(li); |
| } |
| sidebar.appendChild(div); |
| } |
| } |
| |
| window.initSearch = initSearch; |
| |
| // delayed sidebar rendering. |
| function initSidebarItems(items) { |
| var sidebar = document.getElementsByClassName('sidebar-elems')[0]; |
| var current = window.sidebarCurrent; |
| |
| function block(shortty, longty) { |
| var filtered = items[shortty]; |
| if (!filtered) { return; } |
| |
| var div = document.createElement('div'); |
| div.className = 'block ' + shortty; |
| var h3 = document.createElement('h3'); |
| h3.textContent = longty; |
| div.appendChild(h3); |
| var ul = document.createElement('ul'); |
| |
| 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 = document.createElement('a'); |
| link.href = current.relpath + path; |
| link.title = desc; |
| link.className = klass; |
| link.textContent = name; |
| var li = document.createElement('li'); |
| li.appendChild(link); |
| ul.appendChild(li); |
| } |
| div.appendChild(ul); |
| if (sidebar) { |
| sidebar.appendChild(div); |
| } |
| } |
| |
| block("primitive", "Primitive Types"); |
| block("mod", "Modules"); |
| block("macro", "Macros"); |
| block("struct", "Structs"); |
| block("enum", "Enums"); |
| block("union", "Unions"); |
| block("constant", "Constants"); |
| block("static", "Statics"); |
| block("trait", "Traits"); |
| block("fn", "Functions"); |
| block("type", "Type Definitions"); |
| block("foreigntype", "Foreign Types"); |
| } |
| |
| window.initSidebarItems = initSidebarItems; |
| |
| window.register_implementors = function(imp) { |
| var list = document.getElementById('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 = document.createElement('code'); |
| code.innerHTML = structs[j]; |
| |
| var x = code.getElementsByTagName('a'); |
| for (var k = 0; k < x.length; k++) { |
| var href = x[k].getAttribute('href'); |
| if (href && href.indexOf('http') !== 0) { |
| x[k].setAttribute('href', rootPath + href); |
| } |
| } |
| var li = document.createElement('li'); |
| li.appendChild(code); |
| list.appendChild(li); |
| } |
| } |
| }; |
| if (window.pending_implementors) { |
| window.register_implementors(window.pending_implementors); |
| } |
| |
| 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 onEveryMatchingChild(elem, className, func) { |
| if (elem && className && func) { |
| for (var i = 0; i < elem.childNodes.length; i++) { |
| if (hasClass(elem.childNodes[i], className)) { |
| func(elem.childNodes[i]); |
| } else { |
| onEveryMatchingChild(elem.childNodes[i], className, func); |
| } |
| } |
| } |
| } |
| |
| function toggleAllDocs() { |
| var toggle = document.getElementById("toggle-all-docs"); |
| if (hasClass(toggle, "will-expand")) { |
| removeClass(toggle, "will-expand"); |
| onEveryMatchingChild(toggle, "inner", function(e) { |
| e.innerHTML = labelForToggleButton(false); |
| }); |
| toggle.title = "collapse all docs"; |
| onEach(document.getElementsByClassName("docblock"), function(e) { |
| e.style.display = 'block'; |
| }); |
| onEach(document.getElementsByClassName("toggle-label"), function(e) { |
| e.style.display = 'none'; |
| }); |
| onEach(document.getElementsByClassName("toggle-wrapper"), function(e) { |
| removeClass(e, "collapsed"); |
| }); |
| onEach(document.getElementsByClassName("collapse-toggle"), function(e) { |
| onEveryMatchingChild(e, "inner", function(i_e) { |
| i_e.innerHTML = labelForToggleButton(false); |
| }); |
| }); |
| } else { |
| addClass(toggle, "will-expand"); |
| onEveryMatchingChild(toggle, "inner", function(e) { |
| e.innerHTML = labelForToggleButton(true); |
| }); |
| toggle.title = "expand all docs"; |
| onEach(document.getElementsByClassName("docblock"), function(e) { |
| e.style.display = 'none'; |
| }); |
| onEach(document.getElementsByClassName("toggle-label"), function(e) { |
| e.style.display = 'inline-block'; |
| }); |
| onEach(document.getElementsByClassName("toggle-wrapper"), function(e) { |
| addClass(e, "collapsed"); |
| }); |
| onEach(document.getElementsByClassName("collapse-toggle"), function(e) { |
| onEveryMatchingChild(e, "inner", function(i_e) { |
| i_e.innerHTML = labelForToggleButton(true); |
| }); |
| }); |
| } |
| } |
| |
| function collapseDocs(toggle) { |
| if (!toggle || !toggle.parentNode) { |
| return; |
| } |
| var relatedDoc = toggle.parentNode.nextElementSibling; |
| if (hasClass(relatedDoc, "stability")) { |
| relatedDoc = relatedDoc.nextElementSibling; |
| } |
| if (hasClass(relatedDoc, "docblock")) { |
| if (!isHidden(relatedDoc)) { |
| relatedDoc.style.display = 'none'; |
| onEach(toggle.childNodes, function(e) { |
| if (hasClass(e, 'toggle-label')) { |
| e.style.display = 'inline-block'; |
| } |
| if (hasClass(e, 'inner')) { |
| e.innerHTML = labelForToggleButton(true); |
| } |
| }); |
| addClass(toggle.parentNode, 'collapsed'); |
| } else { |
| relatedDoc.style.display = 'block'; |
| removeClass(toggle.parentNode, 'collapsed'); |
| onEach(toggle.childNodes, function(e) { |
| if (hasClass(e, 'toggle-label')) { |
| e.style.display = 'none'; |
| } |
| if (hasClass(e, 'inner')) { |
| e.innerHTML = labelForToggleButton(false); |
| } |
| }); |
| } |
| } |
| } |
| |
| var x = document.getElementById('toggle-all-docs'); |
| if (x) { |
| x.onclick = toggleAllDocs; |
| } |
| |
| function insertAfter(newNode, referenceNode) { |
| referenceNode.parentNode.insertBefore(newNode, referenceNode.nextSibling); |
| } |
| |
| var toggle = document.createElement('a'); |
| toggle.href = 'javascript:void(0)'; |
| toggle.className = 'collapse-toggle'; |
| toggle.innerHTML = "[<span class='inner'>"+labelForToggleButton(false)+"</span>]"; |
| |
| var func = function(e) { |
| var next = e.nextElementSibling; |
| if (!next) { |
| return; |
| } |
| if (hasClass(next, 'docblock') || |
| (hasClass(next, 'stability') && |
| hasClass(next.nextElementSibling, 'docblock'))) { |
| insertAfter(toggle.cloneNode(true), e.childNodes[e.childNodes.length - 1]); |
| } |
| } |
| onEach(document.getElementsByClassName('method'), func); |
| onEach(document.getElementsByClassName('impl-items'), function(e) { |
| onEach(e.getElementsByClassName('associatedconstant'), func); |
| }); |
| |
| function createToggle() { |
| var span = document.createElement('span'); |
| span.className = 'toggle-label'; |
| span.style.display = 'none'; |
| span.innerHTML = ' Expand description'; |
| |
| var mainToggle = toggle.cloneNode(true); |
| mainToggle.appendChild(span); |
| |
| var wrapper = document.createElement('div'); |
| wrapper.className = 'toggle-wrapper'; |
| wrapper.appendChild(mainToggle); |
| return wrapper; |
| } |
| |
| onEach(document.getElementById('main').getElementsByClassName('docblock'), function(e) { |
| if (e.parentNode.id === "main") { |
| e.parentNode.insertBefore(createToggle(), e); |
| } |
| }); |
| |
| onEach(document.getElementsByClassName('docblock'), function(e) { |
| if (hasClass(e, 'autohide')) { |
| var wrap = e.previousElementSibling; |
| if (wrap && hasClass(wrap, 'toggle-wrapper')) { |
| var toggle = wrap.childNodes[0]; |
| if (e.childNodes[0].tagName === 'H3') { |
| onEach(toggle.getElementsByClassName('toggle-label'), function(i_e) { |
| i_e.innerHTML = " Show " + e.childNodes[0].innerHTML; |
| }); |
| } |
| e.style.display = 'none'; |
| addClass(wrap, 'collapsed'); |
| onEach(toggle.getElementsByClassName('inner'), function(e) { |
| e.innerHTML = labelForToggleButton(true); |
| }); |
| onEach(toggle.getElementsByClassName('toggle-label'), function(e) { |
| e.style.display = 'inline-block'; |
| }); |
| } |
| } |
| }) |
| |
| function createToggleWrapper() { |
| var span = document.createElement('span'); |
| span.className = 'toggle-label'; |
| span.style.display = 'none'; |
| span.innerHTML = ' Expand attributes'; |
| toggle.appendChild(span); |
| |
| var wrapper = document.createElement('div'); |
| wrapper.className = 'toggle-wrapper toggle-attributes'; |
| wrapper.appendChild(toggle); |
| return wrapper; |
| } |
| |
| // In the search display, allows to switch between tabs. |
| function printTab(nb) { |
| if (nb === 0 || nb === 1 || nb === 2) { |
| currentTab = nb; |
| } |
| var nb_copy = nb; |
| onEach(document.getElementById('titles').childNodes, function(elem) { |
| if (nb_copy === 0) { |
| addClass(elem, 'selected'); |
| } else { |
| removeClass(elem, 'selected'); |
| } |
| nb_copy -= 1; |
| }); |
| onEach(document.getElementById('results').childNodes, function(elem) { |
| if (nb === 0) { |
| elem.style.display = ''; |
| } else { |
| elem.style.display = 'none'; |
| } |
| nb -= 1; |
| }); |
| } |
| |
| onEach(document.getElementById('main').getElementsByTagName('pre'), function(e) { |
| onEach(e.getElementsByClassName('attributes'), function(i_e) { |
| i_e.parentNode.insertBefore(createToggleWrapper(), i_e); |
| collapseDocs(i_e.previousSibling.childNodes[0]); |
| }); |
| }); |
| |
| onEach(document.getElementsByClassName('rust-example-rendered'), function(e) { |
| if (hasClass(e, 'compile_fail')) { |
| e.addEventListener("mouseover", function(event) { |
| e.previousElementSibling.childNodes[0].style.color = '#f00'; |
| }); |
| e.addEventListener("mouseout", function(event) { |
| e.previousElementSibling.childNodes[0].style.color = ''; |
| }); |
| } else if (hasClass(e, 'ignore')) { |
| e.addEventListener("mouseover", function(event) { |
| e.previousElementSibling.childNodes[0].style.color = '#ff9200'; |
| }); |
| e.addEventListener("mouseout", function(event) { |
| e.previousElementSibling.childNodes[0].style.color = ''; |
| }); |
| } |
| }); |
| |
| function showModal(content) { |
| var modal = document.createElement('div'); |
| modal.id = "important"; |
| addClass(modal, 'modal'); |
| modal.innerHTML = '<div class="modal-content"><div class="close" id="modal-close">✕</div>' + |
| '<div class="whiter"></div><span class="docblock">' + content + |
| '</span></div>'; |
| document.getElementsByTagName('body')[0].appendChild(modal); |
| document.getElementById('modal-close').onclick = hideModal; |
| modal.onclick = hideModal; |
| } |
| |
| function hideModal() { |
| var modal = document.getElementById("important"); |
| if (modal) { |
| modal.parentNode.removeChild(modal); |
| } |
| } |
| |
| onEach(document.getElementsByClassName('important-traits'), function(e) { |
| e.onclick = function() { |
| showModal(e.lastElementChild.innerHTML); |
| }; |
| }); |
| |
| var search_input = document.getElementsByClassName("search-input")[0]; |
| |
| if (search_input) { |
| search_input.onfocus = function() { |
| if (search_input.value !== "") { |
| addClass(document.getElementById("main"), "hidden"); |
| removeClass(document.getElementById("search"), "hidden"); |
| if (browserSupportsHistoryApi()) { |
| history.replaceState(search_input.value, |
| "", |
| "?search=" + encodeURIComponent(search_input.value)); |
| } |
| } |
| }; |
| } |
| |
| var params = getQueryStringParams(); |
| if (params && params.search) { |
| addClass(document.getElementById("main"), "hidden"); |
| var search = document.getElementById("search"); |
| removeClass(search, "hidden"); |
| search.innerHTML = '<h3 style="text-align: center;">Loading search results...</h3>'; |
| } |
| |
| var sidebar_menu = document.getElementsByClassName("sidebar-menu")[0]; |
| if (sidebar_menu) { |
| sidebar_menu.onclick = function() { |
| var sidebar = document.getElementsByClassName('sidebar')[0]; |
| if (hasClass(sidebar, "mobile") === true) { |
| hideSidebar(); |
| } else { |
| showSidebar(); |
| } |
| }; |
| } |
| |
| window.onresize = function() { |
| hideSidebar(); |
| }; |
| }()); |
| |
| // Sets the focus on the search bar at the top of the page |
| function focusSearchBar() { |
| document.getElementsByClassName('search-input')[0].focus(); |
| } |
| |
| // Removes the focus from the search bar |
| function defocusSearchBar() { |
| document.getElementsByClassName('search-input')[0].blur(); |
| } |
