| // From rust: |
| /* global ALIASES, currentCrate, rootPath */ |
| |
| // Local js definitions: |
| /* global addClass, getCurrentValue, hasClass */ |
| /* global isHidden, onEach, removeClass, updateLocalStorage */ |
| |
| if (!String.prototype.startsWith) { |
| String.prototype.startsWith = function(searchString, position) { |
| position = position || 0; |
| return this.indexOf(searchString, position) === position; |
| }; |
| } |
| if (!String.prototype.endsWith) { |
| String.prototype.endsWith = function(suffix, length) { |
| var l = length || this.length; |
| return this.indexOf(suffix, l - suffix.length) !== -1; |
| }; |
| } |
| |
| if (!DOMTokenList.prototype.add) { |
| DOMTokenList.prototype.add = function(className) { |
| if (className && !hasClass(this, className)) { |
| if (this.className && this.className.length > 0) { |
| this.className += " " + className; |
| } else { |
| this.className = className; |
| } |
| } |
| }; |
| } |
| |
| if (!DOMTokenList.prototype.remove) { |
| DOMTokenList.prototype.remove = function(className) { |
| if (className && this.className) { |
| this.className = (" " + this.className + " ").replace(" " + className + " ", " ") |
| .trim(); |
| } |
| }; |
| } |
| |
| function getSearchInput() { |
| return document.getElementsByClassName("search-input")[0]; |
| } |
| |
| function getSearchElement() { |
| return document.getElementById("search"); |
| } |
| |
| (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", |
| "keyword", |
| "existential", |
| "attr", |
| "derive", |
| "traitalias"]; |
| |
| var search_input = getSearchInput(); |
| |
| // 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; |
| |
| var titleBeforeSearch = document.title; |
| |
| function getPageId() { |
| var id = document.location.href.split("#")[1]; |
| if (id) { |
| return id.split("?")[0].split("&")[0]; |
| } |
| return 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); |
| } |
| } |
| var themePickers = document.getElementsByClassName("theme-picker"); |
| if (themePickers && themePickers.length > 0) { |
| themePickers[0].style.display = "none"; |
| } |
| } |
| |
| 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 themePickers = document.getElementsByClassName("theme-picker"); |
| if (themePickers && themePickers.length > 0) { |
| themePickers[0].style.display = null; |
| } |
| } |
| |
| // used for special search precedence |
| var TY_PRIMITIVE = itemTypes.indexOf("primitive"); |
| var TY_KEYWORD = itemTypes.indexOf("keyword"); |
| |
| onEachLazy(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 window.history && typeof window.history.pushState === "function"; |
| } |
| |
| var main = document.getElementById("main"); |
| |
| function highlightSourceLines(ev) { |
| // If we're in mobile mode, we should add the sidebar in any case. |
| hideSidebar(); |
| var elem; |
| var search = getSearchElement(); |
| var i, from, to, match = window.location.hash.match(/^#?(\d+)(?:-(\d+))?$/); |
| if (match) { |
| from = parseInt(match[1], 10); |
| to = from; |
| if (typeof match[2] !== "undefined") { |
| to = parseInt(match[2], 10); |
| } |
| if (to < from) { |
| var tmp = to; |
| to = from; |
| from = tmp; |
| } |
| elem = document.getElementById(from); |
| if (!elem) { |
| return; |
| } |
| if (ev === null) { |
| var x = document.getElementById(from); |
| if (x) { |
| x.scrollIntoView(); |
| } |
| } |
| onEachLazy(document.getElementsByClassName("line-numbers"), function(e) { |
| onEachLazy(e.getElementsByTagName("span"), function(i_e) { |
| removeClass(i_e, "line-highlighted"); |
| }); |
| }); |
| for (i = from; i <= to; ++i) { |
| elem = document.getElementById(i); |
| if (!elem) { |
| break; |
| } |
| addClass(elem, "line-highlighted"); |
| } |
| } else if (ev !== null && search && !hasClass(search, "hidden") && ev.newURL) { |
| addClass(search, "hidden"); |
| removeClass(main, "hidden"); |
| var hash = ev.newURL.slice(ev.newURL.indexOf("#") + 1); |
| if (browserSupportsHistoryApi()) { |
| history.replaceState(hash, "", "?search=#" + hash); |
| } |
| elem = document.getElementById(hash); |
| if (elem) { |
| elem.scrollIntoView(); |
| } |
| } |
| } |
| |
| function expandSection(id) { |
| var elem = document.getElementById(id); |
| if (elem && isHidden(elem)) { |
| var h3 = elem.parentNode.previousElementSibling; |
| if (h3 && h3.tagName !== "H3") { |
| h3 = h3.previousElementSibling; // skip div.docblock |
| } |
| |
| if (h3) { |
| var collapses = h3.getElementsByClassName("collapse-toggle"); |
| if (collapses.length > 0) { |
| // The element is not visible, we need to make it appear! |
| collapseDocs(collapses[0], "show"); |
| } |
| } |
| } |
| } |
| |
| 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 getHelpElement() { |
| return document.getElementById("help"); |
| } |
| |
| function displayHelp(display, ev, help) { |
| var help = help ? help : getHelpElement(); |
| if (display === true) { |
| if (hasClass(help, "hidden")) { |
| ev.preventDefault(); |
| removeClass(help, "hidden"); |
| addClass(document.body, "blur"); |
| } |
| } else if (hasClass(help, "hidden") === false) { |
| ev.preventDefault(); |
| addClass(help, "hidden"); |
| removeClass(document.body, "blur"); |
| } |
| } |
| |
| function handleEscape(ev) { |
| var help = getHelpElement(); |
| var search = getSearchElement(); |
| hideModal(); |
| if (hasClass(help, "hidden") === false) { |
| displayHelp(false, ev, help); |
| } else if (hasClass(search, "hidden") === false) { |
| ev.preventDefault(); |
| addClass(search, "hidden"); |
| removeClass(main, "hidden"); |
| document.title = titleBeforeSearch; |
| } |
| defocusSearchBar(); |
| } |
| |
| function handleShortcut(ev) { |
| // Don't interfere with browser shortcuts |
| if (ev.ctrlKey || ev.altKey || ev.metaKey) { |
| return; |
| } |
| |
| if (document.activeElement.tagName === "INPUT") { |
| switch (getVirtualKey(ev)) { |
| case "Escape": |
| handleEscape(ev); |
| break; |
| } |
| } else { |
| switch (getVirtualKey(ev)) { |
| case "Escape": |
| handleEscape(ev); |
| 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; |
| } |
| } |
| } |
| |
| function findParentElement(elem, tagName) { |
| do { |
| if (elem && elem.tagName === tagName) { |
| return elem; |
| } |
| elem = elem.parentNode; |
| } while (elem); |
| return null; |
| } |
| |
| document.onkeypress = handleShortcut; |
| document.onkeydown = handleShortcut; |
| document.onclick = function(ev) { |
| if (hasClass(ev.target, "collapse-toggle")) { |
| collapseDocs(ev.target, "toggle"); |
| } else if (hasClass(ev.target.parentNode, "collapse-toggle")) { |
| collapseDocs(ev.target.parentNode, "toggle"); |
| } 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); |
| highlightSourceLines(null); |
| } 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") === false) { |
| addClass(document.getElementById("help"), "hidden"); |
| removeClass(document.body, "blur"); |
| } else { |
| // Making a collapsed element visible on onhashchange seems |
| // too late |
| var a = findParentElement(ev.target, "A"); |
| if (a && a.hash) { |
| expandSection(a.hash.replace(/^#/, "")); |
| } |
| } |
| }; |
| |
| 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 GENERICS_DATA = 1; |
| var NAME = 0; |
| var INPUTS_DATA = 0; |
| var OUTPUT_DATA = 1; |
| var params = getQueryStringParams(); |
| |
| // Set the crate filter from saved storage, if the current page has the saved crate filter. |
| // |
| // If not, ignore the crate filter -- we want to support filtering for crates on sites like |
| // doc.rust-lang.org where the crates may differ from page to page while on the same domain. |
| var savedCrate = getCurrentValue("rustdoc-saved-filter-crate"); |
| if (savedCrate !== null) { |
| onEachLazy(document.getElementById("crate-search").getElementsByTagName("option"), |
| function(e) { |
| if (e.value === savedCrate) { |
| document.getElementById("crate-search").value = e.value; |
| return true; |
| } |
| }); |
| } |
| |
| // 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 (search_input.value === "") { |
| search_input.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] |
| * @param {[type]} filterCrates [Crate to search in if defined] |
| * @return {[type]} [A search index of results] |
| */ |
| function execQuery(query, searchWords, filterCrates) { |
| function itemTypeFromName(typename) { |
| var length = itemTypes.length; |
| for (var i = 0; i < 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("::"); |
| |
| var length = split.length; |
| for (var z = 0; z < length; ++z) { |
| if (split[z] === "") { |
| split.splice(z, 1); |
| z -= 1; |
| } |
| } |
| |
| function transformResults(results, isType) { |
| var out = []; |
| var length = results.length; |
| for (var i = 0; i < length; ++i) { |
| if (results[i].id > -1) { |
| var obj = searchIndex[results[i].id]; |
| obj.lev = results[i].lev; |
| if (isType !== true || obj.type) { |
| var res = buildHrefAndPath(obj); |
| obj.displayPath = pathSplitter(res[0]); |
| obj.fullPath = obj.displayPath + obj.name; |
| // To be sure than it some items aren't considered as duplicate. |
| obj.fullPath += "|" + obj.ty; |
| obj.href = res[1]; |
| 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 i; |
| var nresults = results.length; |
| for (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 exact match with regard to the last word (mismatch goes later) |
| a = (aaa.word !== val); |
| b = (bbb.word !== val); |
| if (a !== b) { return 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 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 and keyword pages |
| if ((aaa.item.ty === TY_PRIMITIVE && bbb.item.ty !== TY_KEYWORD) || |
| (aaa.item.ty === TY_KEYWORD && bbb.item.ty !== TY_PRIMITIVE)) { |
| return -1; |
| } |
| if ((bbb.item.ty === TY_PRIMITIVE && aaa.item.ty !== TY_PRIMITIVE) || |
| (bbb.item.ty === TY_KEYWORD && aaa.item.ty !== TY_KEYWORD)) { |
| 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; |
| }); |
| |
| var length = results.length; |
| for (i = 0; i < 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.length > GENERICS_DATA && |
| obj[GENERICS_DATA].length >= val.generics.length) { |
| var elems = obj[GENERICS_DATA].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. |
| var vlength = val.generics.length; |
| for (var y = 0; y < vlength; ++y) { |
| var lev = { pos: -1, lev: MAX_LEV_DISTANCE + 1}; |
| var elength = elems.length; |
| for (var x = 0; x < elength; ++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 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; |
| var x; |
| if (obj[NAME] === val.name) { |
| if (literalSearch === true) { |
| if (val.generics && val.generics.length !== 0) { |
| if (obj.length > GENERICS_DATA && |
| obj[GENERICS_DATA].length >= val.generics.length) { |
| var elems = obj[GENERICS_DATA].slice(0); |
| var allFound = true; |
| |
| 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.length > GENERICS_DATA && obj[GENERICS_DATA].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.length > GENERICS_DATA && obj[GENERICS_DATA].length > 0) { |
| var length = obj[GENERICS_DATA].length; |
| for (x = 0; x < length; ++x) { |
| if (obj[GENERICS_DATA][x] === val.name) { |
| return true; |
| } |
| } |
| } |
| return false; |
| } |
| lev_distance = Math.min(levenshtein(obj[NAME], val.name), lev_distance); |
| if (lev_distance <= MAX_LEV_DISTANCE) { |
| // The generics didn't match but the name kinda did so we give it |
| // a levenshtein distance value that isn't *this* good so it goes |
| // into the search results but not too high. |
| lev_distance = Math.ceil((checkGenerics(obj, val) + lev_distance) / 2); |
| } else if (obj.length > GENERICS_DATA && obj[GENERICS_DATA].length > 0) { |
| // We can check if the type we're looking for is inside the generics! |
| var olength = obj[GENERICS_DATA].length; |
| for (x = 0; x < olength; ++x) { |
| lev_distance = Math.min(levenshtein(obj[GENERICS_DATA][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_DATA] && |
| obj.type[INPUTS_DATA].length > 0) { |
| var length = obj.type[INPUTS_DATA].length; |
| for (var i = 0; i < length; i++) { |
| var tmp = checkType(obj.type[INPUTS_DATA][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.length > OUTPUT_DATA) { |
| var ret = obj.type[OUTPUT_DATA]; |
| if (!obj.type[OUTPUT_DATA].length) { |
| ret = [ret]; |
| } |
| for (var x = 0; x < ret.length; ++x) { |
| var r = ret[x]; |
| if (typeof r === "string") { |
| r = [r]; |
| } |
| var tmp = checkType(r, val, literalSearch); |
| if (literalSearch === true) { |
| if (tmp === true) { |
| return true; |
| } |
| continue; |
| } |
| lev_distance = Math.min(tmp, lev_distance); |
| if (lev_distance === 0) { |
| return 0; |
| } |
| } |
| } |
| return literalSearch === true ? false : lev_distance; |
| } |
| |
| function checkPath(contains, lastElem, ty) { |
| if (contains.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()); |
| } |
| |
| var length = path.length; |
| var clength = contains.length; |
| if (clength > length) { |
| return MAX_LEV_DISTANCE + 1; |
| } |
| for (var i = 0; i < length; ++i) { |
| if (i + clength > length) { |
| break; |
| } |
| var lev_total = 0; |
| var aborted = false; |
| for (var x = 0; x < clength; ++x) { |
| var lev = levenshtein(path[i + x], contains[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 / clength)); |
| } |
| } |
| 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" || name == "keyword"); |
| } |
| |
| // 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; |
| var i; |
| var ty; |
| var fullId; |
| var returned; |
| var in_args; |
| if ((val.charAt(0) === "\"" || val.charAt(0) === "'") && |
| val.charAt(val.length - 1) === val.charAt(0)) |
| { |
| val = extractGenerics(val.substr(1, val.length - 2)); |
| for (i = 0; i < nSearchWords; ++i) { |
| if (filterCrates !== undefined && searchIndex[i].crate !== filterCrates) { |
| continue; |
| } |
| in_args = findArg(searchIndex[i], val, true); |
| returned = checkReturned(searchIndex[i], val, true); |
| ty = searchIndex[i]; |
| 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 (i = 0; i < inputs.length; ++i) { |
| inputs[i] = extractGenerics(inputs[i]); |
| } |
| var output = extractGenerics(parts[1]); |
| |
| for (i = 0; i < nSearchWords; ++i) { |
| if (filterCrates !== undefined && searchIndex[i].crate !== filterCrates) { |
| continue; |
| } |
| var type = searchIndex[i].type; |
| ty = searchIndex[i]; |
| if (!type) { |
| continue; |
| } |
| fullId = generateId(ty); |
| |
| // allow searching for void (no output) functions as well |
| var typeOutput = type.length > OUTPUT_DATA ? type[OUTPUT_DATA].name : ""; |
| returned = checkReturned(ty, output, true); |
| if (output.name === "*" || returned === true) { |
| in_args = false; |
| var is_module = false; |
| |
| if (input === "*") { |
| is_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 (is_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 contains = paths.slice(0, paths.length > 1 ? paths.length - 1 : 1); |
| |
| for (j = 0; j < nSearchWords; ++j) { |
| var lev; |
| var lev_distance; |
| ty = searchIndex[j]; |
| if (!ty || (filterCrates !== undefined && ty.crate !== filterCrates)) { |
| continue; |
| } |
| var lev_distance; |
| var lev_add = 0; |
| if (paths.length > 1) { |
| lev = checkPath(contains, paths[paths.length - 1], ty); |
| if (lev > MAX_LEV_DISTANCE) { |
| continue; |
| } else if (lev > 0) { |
| lev_add = lev / 10; |
| } |
| } |
| |
| returned = MAX_LEV_DISTANCE + 1; |
| in_args = MAX_LEV_DISTANCE + 1; |
| var index = -1; |
| // we want lev results to go lower than others |
| lev = MAX_LEV_DISTANCE + 1; |
| 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].indexOf(val) > -1) { |
| 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 && paths.length < 2) { |
| lev = 0; |
| } |
| if (results[fullId] === undefined) { |
| results[fullId] = { |
| id: j, |
| index: index, |
| lev: lev, |
| }; |
| } |
| results[fullId].lev = Math.min(results[fullId].lev, lev); |
| } |
| } |
| } |
| |
| var ret = { |
| "in_args": sortResults(results_in_args, true), |
| "returned": sortResults(results_returned, true), |
| "others": sortResults(results), |
| }; |
| if (ALIASES && ALIASES[window.currentCrate] && |
| ALIASES[window.currentCrate][query.raw]) { |
| var aliases = ALIASES[window.currentCrate][query.raw]; |
| for (i = 0; i < aliases.length; ++i) { |
| aliases[i].is_alias = true; |
| aliases[i].alias = query.raw; |
| aliases[i].path = aliases[i].p; |
| var res = buildHrefAndPath(aliases[i]); |
| aliases[i].displayPath = pathSplitter(res[0]); |
| aliases[i].fullPath = aliases[i].displayPath + aliases[i].name; |
| aliases[i].href = res[1]; |
| ret.others.unshift(aliases[i]); |
| if (ret.others.length > MAX_RESULTS) { |
| ret.others.pop(); |
| } |
| } |
| } |
| return ret; |
| } |
| |
| /** |
| * 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(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() { |
| onEachLazy(document.getElementsByClassName("search-results"), function(e) { |
| onEachLazy(e.getElementsByClassName("result"), function(i_e) { |
| removeClass(i_e, "highlighted"); |
| }); |
| }); |
| addClass(el, "highlighted"); |
| }, 20); |
| }; |
| onEachLazy(document.getElementsByClassName("search-results"), function(e) { |
| onEachLazy(e.getElementsByClassName("result"), function(i_e) { |
| i_e.onclick = click_func; |
| i_e.onmouseover = mouseover_func; |
| }); |
| }); |
| |
| 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; |
| onEachLazy(document.getElementById("results").childNodes, function(e) { |
| onEachLazy(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.getElementById("results").childNodes; |
| 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 |
| handleEscape(e); |
| } else if (actives[currentTab].length > 0) { |
| removeClass(actives[currentTab][0], "highlighted"); |
| } |
| }; |
| } |
| |
| function buildHrefAndPath(item) { |
| var displayPath; |
| var href; |
| var type = itemTypes[item.ty]; |
| var name = item.name; |
| |
| if (type === "mod") { |
| displayPath = item.path + "::"; |
| href = rootPath + item.path.replace(/::/g, "/") + "/" + |
| name + "/index.html"; |
| } else if (type === "primitive" || type === "keyword") { |
| 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"; |
| } |
| return [displayPath, href]; |
| } |
| |
| function escape(content) { |
| var h1 = document.createElement("h1"); |
| h1.textContent = content; |
| return h1.innerHTML; |
| } |
| |
| function pathSplitter(path) { |
| var tmp = "<span>" + path.replace(/::/g, "::</span><span>"); |
| if (tmp.endsWith("<span>")) { |
| return tmp.slice(0, tmp.length - 6); |
| } |
| return tmp; |
| } |
| |
| function addTab(array, query, display) { |
| var extraStyle = ""; |
| if (display === false) { |
| extraStyle = " style=\"display: none;\""; |
| } |
| |
| var output = ""; |
| var duplicates = {}; |
| var length = 0; |
| if (array.length > 0) { |
| output = "<table class=\"search-results\"" + extraStyle + ">"; |
| |
| array.forEach(function(item) { |
| var name, type; |
| |
| name = item.name; |
| type = itemTypes[item.ty]; |
| |
| if (item.is_alias !== true) { |
| if (duplicates[item.fullPath]) { |
| return; |
| } |
| duplicates[item.fullPath] = true; |
| } |
| length += 1; |
| |
| output += "<tr class=\"" + type + " result\"><td>" + |
| "<a href=\"" + item.href + "\">" + |
| (item.is_alias === true ? |
| ("<span class=\"alias\"><b>" + item.alias + " </b></span><span " + |
| "class=\"grey\"><i> - see </i></span>") : "") + |
| item.displayPath + "<span class=\"" + type + "\">" + |
| name + "</span></a></td><td>" + |
| "<a href=\"" + item.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>?<br/><br/>" + |
| "Or try looking in one of these:<ul><li>The <a " + |
| "href=\"https://doc.rust-lang.org/reference/index.html\">Rust Reference</a> " + |
| " for technical details about the language.</li><li><a " + |
| "href=\"https://doc.rust-lang.org/rust-by-example/index.html\">Rust By " + |
| "Example</a> for expository code examples.</a></li><li>The <a " + |
| "href=\"https://doc.rust-lang.org/book/index.html\">Rust Book</a> for " + |
| "introductions to language features and the language itself.</li><li><a " + |
| "href=\"https://docs.rs\">Docs.rs</a> for documentation of crates released on" + |
| " <a href=\"https://crates.io/\">crates.io</a>.</li></ul></div>"; |
| } |
| return [output, length]; |
| } |
| |
| 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) { |
| if (results.others.length === 1 && |
| getCurrentValue("rustdoc-go-to-only-result") === "true") { |
| var elem = document.createElement("a"); |
| elem.href = results.others[0].href; |
| elem.style.display = "none"; |
| // For firefox, we need the element to be in the DOM so it can be clicked. |
| document.body.appendChild(elem); |
| elem.click(); |
| } |
| var query = getQuery(search_input.value); |
| |
| currentResults = query.id; |
| |
| var ret_others = addTab(results.others, query); |
| var ret_in_args = addTab(results.in_args, query, false); |
| var ret_returned = addTab(results.returned, query, false); |
| |
| var output = "<h1>Results for " + escape(query.query) + |
| (query.type ? " (type: " + escape(query.type) + ")" : "") + "</h1>" + |
| "<div id=\"titles\">" + |
| makeTabHeader(0, "In Names", ret_others[1]) + |
| makeTabHeader(1, "In Parameters", ret_in_args[1]) + |
| makeTabHeader(2, "In Return Types", ret_returned[1]) + |
| "</div><div id=\"results\">" + |
| ret_others[0] + ret_in_args[0] + ret_returned[0] + "</div>"; |
| |
| addClass(main, "hidden"); |
| var search = getSearchElement(); |
| 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; |
| onEachLazy(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 execSearch(query, searchWords, filterCrates) { |
| function getSmallest(arrays, positions, notDuplicates) { |
| var start = null; |
| |
| for (var it = 0; it < positions.length; ++it) { |
| if (arrays[it].length > positions[it] && |
| (start === null || start > arrays[it][positions[it]].lev) && |
| !notDuplicates[arrays[it][positions[it]].fullPath]) { |
| start = arrays[it][positions[it]].lev; |
| } |
| } |
| return start; |
| } |
| |
| function mergeArrays(arrays) { |
| var ret = []; |
| var positions = []; |
| var notDuplicates = {}; |
| |
| for (var x = 0; x < arrays.length; ++x) { |
| positions.push(0); |
| } |
| while (ret.length < MAX_RESULTS) { |
| var smallest = getSmallest(arrays, positions, notDuplicates); |
| |
| if (smallest === null) { |
| break; |
| } |
| for (x = 0; x < arrays.length && ret.length < MAX_RESULTS; ++x) { |
| if (arrays[x].length > positions[x] && |
| arrays[x][positions[x]].lev === smallest && |
| !notDuplicates[arrays[x][positions[x]].fullPath]) { |
| ret.push(arrays[x][positions[x]]); |
| notDuplicates[arrays[x][positions[x]].fullPath] = true; |
| positions[x] += 1; |
| } |
| } |
| } |
| return ret; |
| } |
| |
| var queries = query.raw.split(","); |
| var results = { |
| "in_args": [], |
| "returned": [], |
| "others": [], |
| }; |
| |
| for (var i = 0; i < queries.length; ++i) { |
| query = queries[i].trim(); |
| if (query.length !== 0) { |
| var tmp = execQuery(getQuery(query), searchWords, filterCrates); |
| |
| results.in_args.push(tmp.in_args); |
| results.returned.push(tmp.returned); |
| results.others.push(tmp.others); |
| } |
| } |
| if (queries.length > 1) { |
| return { |
| "in_args": mergeArrays(results.in_args), |
| "returned": mergeArrays(results.returned), |
| "others": mergeArrays(results.others), |
| }; |
| } else { |
| return { |
| "in_args": results.in_args[0], |
| "returned": results.returned[0], |
| "others": results.others[0], |
| }; |
| } |
| } |
| |
| function getFilterCrates() { |
| var elem = document.getElementById("crate-search"); |
| |
| if (elem && elem.value !== "All crates" && rawSearchIndex.hasOwnProperty(elem.value)) { |
| return elem.value; |
| } |
| return undefined; |
| } |
| |
| function search(e, forced) { |
| var params = getQueryStringParams(); |
| var query = getQuery(search_input.value.trim()); |
| |
| if (e) { |
| e.preventDefault(); |
| } |
| |
| if (query.query.length === 0) { |
| return; |
| } |
| if (forced !== true && query.id === currentResults) { |
| if (query.query.length > 0) { |
| putBackSearch(search_input); |
| } |
| 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)); |
| } |
| } |
| |
| var filterCrates = getFilterCrates(); |
| showResults(execSearch(query, index, filterCrates), filterCrates); |
| } |
| |
| function buildIndex(rawSearchIndex) { |
| searchIndex = []; |
| var searchWords = []; |
| var i; |
| |
| 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].i; |
| // an array of [(Number) item type, |
| // (String) name] |
| var paths = rawSearchIndex[crate].p; |
| |
| // convert `paths` into an object form |
| var len = paths.length; |
| for (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 |
| len = items.length; |
| var lastPath = ""; |
| for (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() { |
| clearTimeout(searchTimeout); |
| if (search_input.value.length === 0) { |
| if (browserSupportsHistoryApi()) { |
| history.replaceState("", window.currentCrate + " - Rust", "?search="); |
| } |
| if (hasClass(main, "content")) { |
| removeClass(main, "hidden"); |
| } |
| var search_c = getSearchElement(); |
| if (hasClass(search_c, "content")) { |
| addClass(search_c, "hidden"); |
| } |
| } else { |
| searchTimeout = setTimeout(search, 500); |
| } |
| }; |
| 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; |
| |
| var selectCrate = document.getElementById("crate-search"); |
| if (selectCrate) { |
| selectCrate.onchange = function() { |
| updateLocalStorage("rustdoc-saved-filter-crate", selectCrate.value); |
| search(undefined, true); |
| }; |
| } |
| |
| // 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) { |
| if (hasClass(main, "content")) { |
| removeClass(main, "hidden"); |
| } |
| var search_c = getSearchElement(); |
| 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) { |
| search_input.value = params.search; |
| } else { |
| search_input.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 === "../" || rootPath === "./") { |
| var sidebar = document.getElementsByClassName("sidebar-elems")[0]; |
| if (sidebar) { |
| 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 (rootPath !== "./" && crates[i] === window.currentCrate) { |
| klass += " current"; |
| } |
| var link = document.createElement("a"); |
| link.href = rootPath + 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"); |
| |
| var length = filtered.length; |
| for (var i = 0; i < 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"); |
| block("keyword", "Keywords"); |
| block("traitalias", "Trait Aliases"); |
| } |
| |
| window.initSidebarItems = initSidebarItems; |
| |
| window.register_implementors = function(imp) { |
| var implementors = document.getElementById("implementors-list"); |
| var synthetic_implementors = document.getElementById("synthetic-implementors-list"); |
| |
| var libs = Object.getOwnPropertyNames(imp); |
| var llength = libs.length; |
| for (var i = 0; i < llength; ++i) { |
| if (libs[i] === currentCrate) { continue; } |
| var structs = imp[libs[i]]; |
| |
| var slength = structs.length; |
| struct_loop: |
| for (var j = 0; j < slength; ++j) { |
| var struct = structs[j]; |
| |
| var list = struct.synthetic ? synthetic_implementors : implementors; |
| |
| if (struct.synthetic) { |
| var stlength = struct.types.length; |
| for (var k = 0; k < stlength; k++) { |
| if (window.inlined_types.has(struct.types[k])) { |
| continue struct_loop; |
| } |
| window.inlined_types.add(struct.types[k]); |
| } |
| } |
| |
| var code = document.createElement("code"); |
| code.innerHTML = struct.text; |
| |
| var x = code.getElementsByTagName("a"); |
| var xlength = x.length; |
| for (var it = 0; it < xlength; it++) { |
| var href = x[it].getAttribute("href"); |
| if (href && href.indexOf("http") !== 0) { |
| x[it].setAttribute("href", rootPath + href); |
| } |
| } |
| var display = document.createElement("h3"); |
| addClass(display, "impl"); |
| display.innerHTML = "<span class=\"in-band\"><table class=\"table-display\">" + |
| "<tbody><tr><td><code>" + code.outerHTML + "</code></td><td></td></tr>" + |
| "</tbody></table></span>"; |
| list.appendChild(display); |
| } |
| } |
| }; |
| 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) { |
| var length = elem.childNodes.length; |
| var nodes = elem.childNodes; |
| for (var i = 0; i < length; ++i) { |
| if (hasClass(nodes[i], className)) { |
| func(nodes[i]); |
| } else { |
| onEveryMatchingChild(nodes[i], className, func); |
| } |
| } |
| } |
| } |
| |
| function toggleAllDocs(pageId, fromAutoCollapse) { |
| var innerToggle = document.getElementById("toggle-all-docs"); |
| if (!innerToggle) { |
| return; |
| } |
| if (hasClass(innerToggle, "will-expand")) { |
| updateLocalStorage("rustdoc-collapse", "false"); |
| removeClass(innerToggle, "will-expand"); |
| onEveryMatchingChild(innerToggle, "inner", function(e) { |
| e.innerHTML = labelForToggleButton(false); |
| }); |
| innerToggle.title = "collapse all docs"; |
| if (fromAutoCollapse !== true) { |
| onEachLazy(document.getElementsByClassName("collapse-toggle"), function(e) { |
| collapseDocs(e, "show"); |
| }); |
| } |
| } else { |
| updateLocalStorage("rustdoc-collapse", "true"); |
| addClass(innerToggle, "will-expand"); |
| onEveryMatchingChild(innerToggle, "inner", function(e) { |
| var parent = e.parentNode; |
| var superParent = null; |
| |
| if (parent) { |
| superParent = parent.parentNode; |
| } |
| if (!parent || !superParent || superParent.id !== "main" || |
| hasClass(parent, "impl") === false) { |
| e.innerHTML = labelForToggleButton(true); |
| } |
| }); |
| innerToggle.title = "expand all docs"; |
| if (fromAutoCollapse !== true) { |
| onEachLazy(document.getElementsByClassName("collapse-toggle"), function(e) { |
| var parent = e.parentNode; |
| var superParent = null; |
| |
| if (parent) { |
| superParent = parent.parentNode; |
| } |
| if (!parent || !superParent || superParent.id !== "main" || |
| hasClass(parent, "impl") === false) { |
| collapseDocs(e, "hide", pageId); |
| } |
| }); |
| } |
| } |
| } |
| |
| function collapseDocs(toggle, mode, pageId) { |
| if (!toggle || !toggle.parentNode) { |
| return; |
| } |
| |
| function adjustToggle(arg) { |
| return function(e) { |
| if (hasClass(e, "toggle-label")) { |
| if (arg) { |
| e.style.display = "inline-block"; |
| } else { |
| e.style.display = "none"; |
| } |
| } |
| if (hasClass(e, "inner")) { |
| e.innerHTML = labelForToggleButton(arg); |
| } |
| }; |
| } |
| |
| function implHider(addOrRemove, fullHide) { |
| return function(n) { |
| var is_method = hasClass(n, "method") || fullHide; |
| if (is_method || hasClass(n, "type")) { |
| if (is_method === true) { |
| if (addOrRemove) { |
| addClass(n, "hidden-by-impl-hider"); |
| } else { |
| removeClass(n, "hidden-by-impl-hider"); |
| } |
| } |
| var ns = n.nextElementSibling; |
| while (true) { |
| if (ns && ( |
| hasClass(ns, "docblock") || |
| hasClass(ns, "stability"))) { |
| if (addOrRemove) { |
| addClass(ns, "hidden-by-impl-hider"); |
| } else { |
| removeClass(ns, "hidden-by-impl-hider"); |
| } |
| ns = ns.nextElementSibling; |
| continue; |
| } |
| break; |
| } |
| } |
| }; |
| } |
| |
| var relatedDoc; |
| var action = mode; |
| if (hasClass(toggle.parentNode, "impl") === false) { |
| relatedDoc = toggle.parentNode.nextElementSibling; |
| if (hasClass(relatedDoc, "stability")) { |
| relatedDoc = relatedDoc.nextElementSibling; |
| } |
| if (hasClass(relatedDoc, "docblock") || hasClass(relatedDoc, "sub-variant")) { |
| if (mode === "toggle") { |
| if (hasClass(relatedDoc, "hidden-by-usual-hider")) { |
| action = "show"; |
| } else { |
| action = "hide"; |
| } |
| } |
| if (action === "hide") { |
| addClass(relatedDoc, "hidden-by-usual-hider"); |
| onEachLazy(toggle.childNodes, adjustToggle(true)); |
| addClass(toggle.parentNode, "collapsed"); |
| } else if (action === "show") { |
| removeClass(relatedDoc, "hidden-by-usual-hider"); |
| removeClass(toggle.parentNode, "collapsed"); |
| onEachLazy(toggle.childNodes, adjustToggle(false)); |
| } |
| } |
| } else { |
| // we are collapsing the impl block(s). |
| |
| var parentElem = toggle.parentNode; |
| relatedDoc = parentElem; |
| var docblock = relatedDoc.nextElementSibling; |
| |
| while (hasClass(relatedDoc, "impl-items") === false) { |
| relatedDoc = relatedDoc.nextElementSibling; |
| } |
| |
| if ((!relatedDoc && hasClass(docblock, "docblock") === false) || |
| (pageId && document.getElementById(pageId))) { |
| return; |
| } |
| |
| // Hide all functions, but not associated types/consts. |
| |
| if (mode === "toggle") { |
| if (hasClass(relatedDoc, "fns-now-collapsed") || |
| hasClass(docblock, "hidden-by-impl-hider")) { |
| action = "show"; |
| } else { |
| action = "hide"; |
| } |
| } |
| |
| var dontApplyBlockRule = toggle.parentNode.parentNode.id !== "main"; |
| if (action === "show") { |
| removeClass(relatedDoc, "fns-now-collapsed"); |
| removeClass(docblock, "hidden-by-usual-hider"); |
| onEachLazy(toggle.childNodes, adjustToggle(false, dontApplyBlockRule)); |
| onEachLazy(relatedDoc.childNodes, implHider(false, dontApplyBlockRule)); |
| } else if (action === "hide") { |
| addClass(relatedDoc, "fns-now-collapsed"); |
| addClass(docblock, "hidden-by-usual-hider"); |
| onEachLazy(toggle.childNodes, adjustToggle(true, dontApplyBlockRule)); |
| onEachLazy(relatedDoc.childNodes, implHider(true, dontApplyBlockRule)); |
| } |
| } |
| } |
| |
| function collapser(e, collapse) { |
| // inherent impl ids are like "impl" or impl-<number>'. |
| // they will never be hidden by default. |
| var n = e.parentElement; |
| if (n.id.match(/^impl(?:-\d+)?$/) === null) { |
| // Automatically minimize all non-inherent impls |
| if (collapse || hasClass(n, "impl")) { |
| collapseDocs(e, "hide", pageId); |
| } |
| } |
| } |
| |
| function autoCollapse(pageId, collapse) { |
| if (collapse) { |
| toggleAllDocs(pageId, true); |
| } else if (getCurrentValue("rustdoc-trait-implementations") !== "false") { |
| var impl_list = document.getElementById("implementations-list"); |
| |
| if (impl_list !== null) { |
| onEachLazy(impl_list.getElementsByClassName("collapse-toggle"), function(e) { |
| collapser(e, collapse); |
| }); |
| } |
| |
| var blanket_list = document.getElementById("blanket-implementations-list"); |
| |
| if (blanket_list !== null) { |
| onEachLazy(blanket_list.getElementsByClassName("collapse-toggle"), function(e) { |
| collapser(e, collapse); |
| }); |
| } |
| } |
| } |
| |
| var toggles = document.getElementById("toggle-all-docs"); |
| if (toggles) { |
| toggles.onclick = toggleAllDocs; |
| } |
| |
| function insertAfter(newNode, referenceNode) { |
| referenceNode.parentNode.insertBefore(newNode, referenceNode.nextSibling); |
| } |
| |
| function createSimpleToggle(sectionIsCollapsed) { |
| var toggle = document.createElement("a"); |
| toggle.href = "javascript:void(0)"; |
| toggle.className = "collapse-toggle"; |
| toggle.innerHTML = "[<span class=\"inner\">" + labelForToggleButton(sectionIsCollapsed) + |
| "</span>]"; |
| return toggle; |
| } |
| |
| var toggle = createSimpleToggle(false); |
| var hideMethodDocs = getCurrentValue("rustdoc-method-docs") === "true"; |
| var pageId = getPageId(); |
| |
| var func = function(e) { |
| var next = e.nextElementSibling; |
| if (!next) { |
| return; |
| } |
| if (hasClass(next, "docblock") === true || |
| (hasClass(next, "stability") === true && |
| hasClass(next.nextElementSibling, "docblock") === true)) { |
| var newToggle = toggle.cloneNode(true); |
| insertAfter(newToggle, e.childNodes[e.childNodes.length - 1]); |
| if (hideMethodDocs === true && hasClass(e, "method") === true) { |
| collapseDocs(newToggle, "hide", pageId); |
| } |
| } |
| }; |
| |
| var funcImpl = function(e) { |
| var next = e.nextElementSibling; |
| if (next && hasClass(next, "docblock")) { |
| next = next.nextElementSibling; |
| } |
| if (!next) { |
| return; |
| } |
| if (next.getElementsByClassName("method").length > 0 && hasClass(e, "impl")) { |
| insertAfter(toggle.cloneNode(true), e.childNodes[e.childNodes.length - 1]); |
| } |
| }; |
| |
| onEachLazy(document.getElementsByClassName("method"), func); |
| onEachLazy(document.getElementsByClassName("associatedconstant"), func); |
| onEachLazy(document.getElementsByClassName("impl"), funcImpl); |
| var impl_call = function() {}; |
| if (hideMethodDocs === true) { |
| impl_call = function(e, newToggle, pageId) { |
| if (e.id.match(/^impl(?:-\d+)?$/) === null) { |
| // Automatically minimize all non-inherent impls |
| if (hasClass(e, "impl") === true) { |
| collapseDocs(newToggle, "hide", pageId); |
| } |
| } |
| }; |
| } |
| var newToggle = document.createElement("a"); |
| newToggle.href = "javascript:void(0)"; |
| newToggle.className = "collapse-toggle hidden-default collapsed"; |
| newToggle.innerHTML = "[<span class=\"inner\">" + labelForToggleButton(true) + |
| "</span>] Show hidden undocumented items"; |
| function toggleClicked() { |
| if (hasClass(this, "collapsed")) { |
| removeClass(this, "collapsed"); |
| onEachLazy(this.parentNode.getElementsByClassName("hidden"), function(x) { |
| if (hasClass(x, "content") === false) { |
| removeClass(x, "hidden"); |
| addClass(x, "x"); |
| } |
| }, true); |
| this.innerHTML = "[<span class=\"inner\">" + labelForToggleButton(false) + |
| "</span>] Hide undocumented items"; |
| } else { |
| addClass(this, "collapsed"); |
| onEachLazy(this.parentNode.getElementsByClassName("x"), function(x) { |
| if (hasClass(x, "content") === false) { |
| addClass(x, "hidden"); |
| removeClass(x, "x"); |
| } |
| }, true); |
| this.innerHTML = "[<span class=\"inner\">" + labelForToggleButton(true) + |
| "</span>] Show hidden undocumented items"; |
| } |
| } |
| onEachLazy(document.getElementsByClassName("impl-items"), function(e) { |
| onEachLazy(e.getElementsByClassName("associatedconstant"), func); |
| var hiddenElems = e.getElementsByClassName("hidden"); |
| var needToggle = false; |
| |
| var hlength = hiddenElems.length; |
| for (var i = 0; i < hlength; ++i) { |
| if (hasClass(hiddenElems[i], "content") === false && |
| hasClass(hiddenElems[i], "docblock") === false) { |
| needToggle = true; |
| break; |
| } |
| } |
| if (needToggle === true) { |
| var inner_toggle = newToggle.cloneNode(true); |
| inner_toggle.onclick = toggleClicked; |
| e.insertBefore(inner_toggle, e.firstChild); |
| impl_call(e.previousSibling, inner_toggle, pageId); |
| } |
| }); |
| |
| function createToggle(otherMessage, fontSize, extraClass, show) { |
| var span = document.createElement("span"); |
| span.className = "toggle-label"; |
| if (show) { |
| span.style.display = "none"; |
| } |
| if (!otherMessage) { |
| span.innerHTML = " Expand description"; |
| } else { |
| span.innerHTML = otherMessage; |
| } |
| |
| if (fontSize) { |
| span.style.fontSize = fontSize; |
| } |
| |
| var mainToggle = toggle.cloneNode(true); |
| mainToggle.appendChild(span); |
| |
| var wrapper = document.createElement("div"); |
| wrapper.className = "toggle-wrapper"; |
| if (!show) { |
| addClass(wrapper, "collapsed"); |
| var inner = mainToggle.getElementsByClassName("inner"); |
| if (inner && inner.length > 0) { |
| inner[0].innerHTML = "+"; |
| } |
| } |
| if (extraClass) { |
| addClass(wrapper, extraClass); |
| } |
| wrapper.appendChild(mainToggle); |
| return wrapper; |
| } |
| |
| var showItemDeclarations = getCurrentValue("rustdoc-item-declarations") === "false"; |
| function buildToggleWrapper(e) { |
| if (hasClass(e, "autohide")) { |
| var wrap = e.previousElementSibling; |
| if (wrap && hasClass(wrap, "toggle-wrapper")) { |
| var inner_toggle = wrap.childNodes[0]; |
| var extra = e.childNodes[0].tagName === "H3"; |
| |
| e.style.display = "none"; |
| addClass(wrap, "collapsed"); |
| onEachLazy(inner_toggle.getElementsByClassName("inner"), function(e) { |
| e.innerHTML = labelForToggleButton(true); |
| }); |
| onEachLazy(inner_toggle.getElementsByClassName("toggle-label"), function(e) { |
| e.style.display = "inline-block"; |
| if (extra === true) { |
| i_e.innerHTML = " Show " + e.childNodes[0].innerHTML; |
| } |
| }); |
| } |
| } |
| if (e.parentNode.id === "main") { |
| var otherMessage = ""; |
| var fontSize; |
| var extraClass; |
| |
| if (hasClass(e, "type-decl")) { |
| fontSize = "20px"; |
| otherMessage = " Show declaration"; |
| if (showItemDeclarations === false) { |
| extraClass = "collapsed"; |
| } |
| } else if (hasClass(e, "sub-variant")) { |
| otherMessage = " Show fields"; |
| } else if (hasClass(e, "non-exhaustive")) { |
| otherMessage = " This "; |
| if (hasClass(e, "non-exhaustive-struct")) { |
| otherMessage += "struct"; |
| } else if (hasClass(e, "non-exhaustive-enum")) { |
| otherMessage += "enum"; |
| } else if (hasClass(e, "non-exhaustive-variant")) { |
| otherMessage += "enum variant"; |
| } else if (hasClass(e, "non-exhaustive-type")) { |
| otherMessage += "type"; |
| } |
| otherMessage += " is marked as non-exhaustive"; |
| } else if (hasClass(e.childNodes[0], "impl-items")) { |
| extraClass = "marg-left"; |
| } |
| |
| e.parentNode.insertBefore( |
| createToggle(otherMessage, |
| fontSize, |
| extraClass, |
| hasClass(e, "type-decl") === false || showItemDeclarations === true), |
| e); |
| if (hasClass(e, "type-decl") === true && showItemDeclarations === true) { |
| collapseDocs(e.previousSibling.childNodes[0], "toggle"); |
| } |
| if (hasClass(e, "non-exhaustive") === true) { |
| collapseDocs(e.previousSibling.childNodes[0], "toggle"); |
| } |
| } |
| } |
| |
| onEachLazy(document.getElementsByClassName("docblock"), buildToggleWrapper); |
| onEachLazy(document.getElementsByClassName("sub-variant"), buildToggleWrapper); |
| |
| function createToggleWrapper(tog) { |
| var span = document.createElement("span"); |
| span.className = "toggle-label"; |
| span.style.display = "none"; |
| span.innerHTML = " Expand attributes"; |
| tog.appendChild(span); |
| |
| var wrapper = document.createElement("div"); |
| wrapper.className = "toggle-wrapper toggle-attributes"; |
| wrapper.appendChild(tog); |
| return wrapper; |
| } |
| |
| // To avoid checking on "rustdoc-item-attributes" value on every loop... |
| var itemAttributesFunc = function() {}; |
| if (getCurrentValue("rustdoc-item-attributes") !== "false") { |
| itemAttributesFunc = function(x) { |
| collapseDocs(x.previousSibling.childNodes[0], "toggle"); |
| }; |
| } |
| var attributesToggle = createToggleWrapper(createSimpleToggle(false)); |
| onEachLazy(main.getElementsByClassName("attributes"), function(i_e) { |
| var attr_tog = attributesToggle.cloneNode(true); |
| if (hasClass(i_e, "top-attr") === true) { |
| addClass(attr_tog, "top-attr"); |
| } |
| i_e.parentNode.insertBefore(attr_tog, i_e); |
| itemAttributesFunc(i_e); |
| }); |
| |
| // To avoid checking on "rustdoc-line-numbers" value on every loop... |
| var lineNumbersFunc = function() {}; |
| if (getCurrentValue("rustdoc-line-numbers") === "true") { |
| lineNumbersFunc = function(x) { |
| var count = x.textContent.split("\n").length; |
| var elems = []; |
| for (var i = 0; i < count; ++i) { |
| elems.push(i + 1); |
| } |
| var node = document.createElement("pre"); |
| addClass(node, "line-number"); |
| node.innerHTML = elems.join("\n"); |
| x.parentNode.insertBefore(node, x); |
| }; |
| } |
| onEachLazy(document.getElementsByClassName("rust-example-rendered"), function(e) { |
| if (hasClass(e, "compile_fail")) { |
| e.addEventListener("mouseover", function(event) { |
| this.parentElement.previousElementSibling.childNodes[0].style.color = "#f00"; |
| }); |
| e.addEventListener("mouseout", function(event) { |
| this.parentElement.previousElementSibling.childNodes[0].style.color = ""; |
| }); |
| } else if (hasClass(e, "ignore")) { |
| e.addEventListener("mouseover", function(event) { |
| this.parentElement.previousElementSibling.childNodes[0].style.color = "#ff9200"; |
| }); |
| e.addEventListener("mouseout", function(event) { |
| this.parentElement.previousElementSibling.childNodes[0].style.color = ""; |
| }); |
| } |
| lineNumbersFunc(e); |
| }); |
| |
| 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); |
| } |
| } |
| |
| onEachLazy(document.getElementsByClassName("important-traits"), function(e) { |
| e.onclick = function() { |
| showModal(e.lastElementChild.innerHTML); |
| }; |
| }); |
| |
| // 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; |
| onEachLazy(document.getElementById("titles").childNodes, function(elem) { |
| if (nb_copy === 0) { |
| addClass(elem, "selected"); |
| } else { |
| removeClass(elem, "selected"); |
| } |
| nb_copy -= 1; |
| }); |
| onEachLazy(document.getElementById("results").childNodes, function(elem) { |
| if (nb === 0) { |
| elem.style.display = ""; |
| } else { |
| elem.style.display = "none"; |
| } |
| nb -= 1; |
| }); |
| } |
| |
| function putBackSearch(search_input) { |
| if (search_input.value !== "") { |
| addClass(main, "hidden"); |
| removeClass(document.getElementById("search"), "hidden"); |
| if (browserSupportsHistoryApi()) { |
| history.replaceState(search_input.value, |
| "", |
| "?search=" + encodeURIComponent(search_input.value)); |
| } |
| } |
| } |
| |
| if (search_input) { |
| search_input.onfocus = function() { |
| putBackSearch(this); |
| }; |
| } |
| |
| var params = getQueryStringParams(); |
| if (params && params.search) { |
| addClass(main, "hidden"); |
| var search = getSearchElement(); |
| 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(); |
| }; |
| |
| autoCollapse(getPageId(), getCurrentValue("rustdoc-collapse") === "true"); |
| |
| if (window.location.hash && window.location.hash.length > 0) { |
| expandSection(window.location.hash.replace(/^#/, "")); |
| } |
| |
| if (main) { |
| onEachLazy(main.getElementsByClassName("loading-content"), function(e) { |
| e.remove(); |
| }); |
| onEachLazy(main.childNodes, function(e) { |
| // Unhide the actual content once loading is complete. Headers get |
| // flex treatment for their horizontal layout, divs get block treatment |
| // for vertical layout (column-oriented flex layout for divs caused |
| // errors in mobile browsers). |
| if (e.tagName === "H2" || e.tagName === "H3") { |
| var nextTagName = e.nextElementSibling.tagName; |
| if (nextTagName == "H2" || nextTagName == "H3") { |
| e.nextElementSibling.style.display = "flex"; |
| } else { |
| e.nextElementSibling.style.display = "block"; |
| } |
| } |
| }); |
| } |
| |
| function addSearchOptions(crates) { |
| var elem = document.getElementById("crate-search"); |
| |
| if (!elem) { |
| return; |
| } |
| var crates_text = []; |
| if (Object.keys(crates).length > 1) { |
| for (var crate in crates) { |
| if (crates.hasOwnProperty(crate)) { |
| crates_text.push(crate); |
| } |
| } |
| } |
| crates_text.sort(function(a, b) { |
| var lower_a = a.toLowerCase(); |
| var lower_b = b.toLowerCase(); |
| |
| if (lower_a < lower_b) { |
| return -1; |
| } else if (lower_a > lower_b) { |
| return 1; |
| } |
| return 0; |
| }); |
| for (var i = 0; i < crates_text.length; ++i) { |
| var option = document.createElement("option"); |
| option.value = crates_text[i]; |
| option.innerText = crates_text[i]; |
| elem.appendChild(option); |
| } |
| } |
| |
| window.addSearchOptions = addSearchOptions; |
| }()); |
| |
| // Sets the focus on the search bar at the top of the page |
| function focusSearchBar() { |
| getSearchInput().focus(); |
| } |
| |
| // Removes the focus from the search bar |
| function defocusSearchBar() { |
| getSearchInput().blur(); |
| } |
