mirror of
https://github.com/rust-lang/rust.git
synced 2025-04-29 03:27:44 +00:00
2956 lines
117 KiB
JavaScript
2956 lines
117 KiB
JavaScript
// Local js definitions:
|
||
/* global addClass, getSettingValue, hasClass */
|
||
/* global onEach, onEachLazy, hasOwnProperty, removeClass, updateLocalStorage */
|
||
/* global hideThemeButtonState, showThemeButtonState */
|
||
|
||
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 + " ", " ")
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||
.trim();
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||
}
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||
};
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||
}
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||
|
||
(function () {
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||
var rustdocVars = document.getElementById("rustdoc-vars");
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||
if (rustdocVars) {
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||
window.rootPath = rustdocVars.attributes["data-root-path"].value;
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||
window.currentCrate = rustdocVars.attributes["data-current-crate"].value;
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||
}
|
||
var sidebarVars = document.getElementById("sidebar-vars");
|
||
if (sidebarVars) {
|
||
window.sidebarCurrent = {
|
||
name: sidebarVars.attributes["data-name"].value,
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||
ty: sidebarVars.attributes["data-ty"].value,
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||
relpath: sidebarVars.attributes["data-relpath"].value,
|
||
};
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||
}
|
||
}());
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||
|
||
// Gets the human-readable string for the virtual-key code of the
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||
// given KeyboardEvent, ev.
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||
//
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||
// This function is meant as a polyfill for KeyboardEvent#key,
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||
// since it is not supported in IE 11 or Chrome for Android. We also test for
|
||
// KeyboardEvent#keyCode because the handleShortcut handler is
|
||
// also registered for the keydown event, because Blink doesn't fire
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||
// keypress on hitting the Escape key.
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||
//
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||
// So I guess you could say things are getting pretty interoperable.
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||
function getVirtualKey(ev) {
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||
if ("key" in ev && typeof ev.key != "undefined") {
|
||
return ev.key;
|
||
}
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||
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||
var c = ev.charCode || ev.keyCode;
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||
if (c == 27) {
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||
return "Escape";
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||
}
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||
return String.fromCharCode(c);
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||
}
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||
|
||
function getSearchInput() {
|
||
return document.getElementsByClassName("search-input")[0];
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||
}
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||
|
||
function getSearchElement() {
|
||
return document.getElementById("search");
|
||
}
|
||
|
||
function getThemesElement() {
|
||
return document.getElementById("theme-choices");
|
||
}
|
||
|
||
function getThemePickerElement() {
|
||
return document.getElementById("theme-picker");
|
||
}
|
||
|
||
// Returns the current URL without any query parameter or hash.
|
||
function getNakedUrl() {
|
||
return window.location.href.split("?")[0].split("#")[0];
|
||
}
|
||
|
||
// 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();
|
||
}
|
||
|
||
(function() {
|
||
"use strict";
|
||
|
||
// This mapping table should match the discriminants of
|
||
// `rustdoc::html::item_type::ItemType` type in Rust.
|
||
var itemTypes = ["mod",
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||
"externcrate",
|
||
"import",
|
||
"struct",
|
||
"enum",
|
||
"fn",
|
||
"type",
|
||
"static",
|
||
"trait",
|
||
"impl",
|
||
"tymethod",
|
||
"method",
|
||
"structfield",
|
||
"variant",
|
||
"macro",
|
||
"primitive",
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||
"associatedtype",
|
||
"constant",
|
||
"associatedconstant",
|
||
"union",
|
||
"foreigntype",
|
||
"keyword",
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||
"existential",
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||
"attr",
|
||
"derive",
|
||
"traitalias"];
|
||
|
||
var disableShortcuts = getSettingValue("disable-shortcuts") === "true";
|
||
var search_input = getSearchInput();
|
||
var searchTimeout = null;
|
||
var toggleAllDocsId = "toggle-all-docs";
|
||
|
||
// 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 mouseMovedAfterSearch = true;
|
||
|
||
var titleBeforeSearch = document.title;
|
||
var searchTitle = null;
|
||
|
||
function clearInputTimeout() {
|
||
if (searchTimeout !== null) {
|
||
clearTimeout(searchTimeout);
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||
searchTimeout = null;
|
||
}
|
||
}
|
||
|
||
function getPageId() {
|
||
if (window.location.hash) {
|
||
var tmp = window.location.hash.replace(/^#/, "");
|
||
if (tmp.length > 0) {
|
||
return tmp;
|
||
}
|
||
}
|
||
return null;
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||
}
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||
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||
function showSidebar() {
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||
var elems = document.getElementsByClassName("sidebar-elems")[0];
|
||
if (elems) {
|
||
addClass(elems, "show-it");
|
||
}
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||
var sidebar = document.getElementsByClassName("sidebar")[0];
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||
if (sidebar) {
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||
addClass(sidebar, "mobile");
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||
var filler = document.getElementById("sidebar-filler");
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||
if (!filler) {
|
||
var div = document.createElement("div");
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||
div.id = "sidebar-filler";
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||
sidebar.appendChild(div);
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||
}
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||
}
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||
}
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||
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||
function hideSidebar() {
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||
var elems = document.getElementsByClassName("sidebar-elems")[0];
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||
if (elems) {
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||
removeClass(elems, "show-it");
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||
}
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||
var sidebar = document.getElementsByClassName("sidebar")[0];
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||
removeClass(sidebar, "mobile");
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||
var filler = document.getElementById("sidebar-filler");
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||
if (filler) {
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||
filler.remove();
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||
}
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||
document.getElementsByTagName("body")[0].style.marginTop = "";
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||
}
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||
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||
function showSearchResults(search) {
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||
if (search === null || typeof search === 'undefined') {
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||
search = getSearchElement();
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||
}
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||
addClass(main, "hidden");
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||
removeClass(search, "hidden");
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||
mouseMovedAfterSearch = false;
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||
document.title = searchTitle;
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||
}
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||
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||
function hideSearchResults(search) {
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||
if (search === null || typeof search === 'undefined') {
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||
search = getSearchElement();
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||
}
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||
addClass(search, "hidden");
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||
removeClass(main, "hidden");
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||
document.title = titleBeforeSearch;
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||
}
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||
|
||
// used for special search precedence
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||
var TY_PRIMITIVE = itemTypes.indexOf("primitive");
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||
var TY_KEYWORD = itemTypes.indexOf("keyword");
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||
|
||
function getQueryStringParams() {
|
||
var params = {};
|
||
window.location.search.substring(1).split("&").
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||
map(function(s) {
|
||
var pair = s.split("=");
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||
params[decodeURIComponent(pair[0])] =
|
||
typeof pair[1] === "undefined" ? null : decodeURIComponent(pair[1]);
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||
});
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||
return params;
|
||
}
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||
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||
function browserSupportsHistoryApi() {
|
||
return window.history && typeof window.history.pushState === "function";
|
||
}
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||
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||
function isHidden(elem) {
|
||
return elem.offsetHeight === 0;
|
||
}
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||
|
||
var main = document.getElementById("main");
|
||
var savedHash = "";
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||
|
||
function handleHashes(ev) {
|
||
var elem;
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||
var search = getSearchElement();
|
||
if (ev !== null && search && !hasClass(search, "hidden") && ev.newURL) {
|
||
// This block occurs when clicking on an element in the navbar while
|
||
// in a search.
|
||
hideSearchResults(search);
|
||
var hash = ev.newURL.slice(ev.newURL.indexOf("#") + 1);
|
||
if (browserSupportsHistoryApi()) {
|
||
// `window.location.search`` contains all the query parameters, not just `search`.
|
||
history.replaceState(hash, "",
|
||
getNakedUrl() + window.location.search + "#" + hash);
|
||
}
|
||
elem = document.getElementById(hash);
|
||
if (elem) {
|
||
elem.scrollIntoView();
|
||
}
|
||
}
|
||
// This part is used in case an element is not visible.
|
||
if (savedHash !== window.location.hash) {
|
||
savedHash = window.location.hash;
|
||
if (savedHash.length === 0) {
|
||
return;
|
||
}
|
||
elem = document.getElementById(savedHash.slice(1)); // we remove the '#'
|
||
if (!elem || !isHidden(elem)) {
|
||
return;
|
||
}
|
||
var parent = elem.parentNode;
|
||
if (parent && hasClass(parent, "impl-items")) {
|
||
// In case this is a trait implementation item, we first need to toggle
|
||
// the "Show hidden undocumented items".
|
||
onEachLazy(parent.getElementsByClassName("collapsed"), function(e) {
|
||
if (e.parentNode === parent) {
|
||
// Only click on the toggle we're looking for.
|
||
e.click();
|
||
return true;
|
||
}
|
||
});
|
||
if (isHidden(elem)) {
|
||
// The whole parent is collapsed. We need to click on its toggle as well!
|
||
if (hasClass(parent.lastElementChild, "collapse-toggle")) {
|
||
parent.lastElementChild.click();
|
||
}
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
function highlightSourceLines(match, ev) {
|
||
if (typeof match === "undefined") {
|
||
// If we're in mobile mode, we should hide the sidebar in any case.
|
||
hideSidebar();
|
||
match = window.location.hash.match(/^#?(\d+)(?:-(\d+))?$/);
|
||
}
|
||
if (!match) {
|
||
return;
|
||
}
|
||
var from = parseInt(match[1], 10);
|
||
var to = from;
|
||
if (typeof match[2] !== "undefined") {
|
||
to = parseInt(match[2], 10);
|
||
}
|
||
if (to < from) {
|
||
var tmp = to;
|
||
to = from;
|
||
from = tmp;
|
||
}
|
||
var elem = document.getElementById(from);
|
||
if (!elem) {
|
||
return;
|
||
}
|
||
if (!ev) {
|
||
var x = document.getElementById(from);
|
||
if (x) {
|
||
x.scrollIntoView();
|
||
}
|
||
}
|
||
onEachLazy(document.getElementsByClassName("line-numbers"), function(e) {
|
||
onEachLazy(e.getElementsByTagName("span"), function(i_e) {
|
||
removeClass(i_e, "line-highlighted");
|
||
});
|
||
});
|
||
for (var i = from; i <= to; ++i) {
|
||
elem = document.getElementById(i);
|
||
if (!elem) {
|
||
break;
|
||
}
|
||
addClass(elem, "line-highlighted");
|
||
}
|
||
}
|
||
|
||
function onHashChange(ev) {
|
||
// If we're in mobile mode, we should hide the sidebar in any case.
|
||
hideSidebar();
|
||
var match = window.location.hash.match(/^#?(\d+)(?:-(\d+))?$/);
|
||
if (match) {
|
||
return highlightSourceLines(match, ev);
|
||
}
|
||
handleHashes(ev);
|
||
}
|
||
|
||
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");
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
function getHelpElement() {
|
||
buildHelperPopup();
|
||
return document.getElementById("help");
|
||
}
|
||
|
||
function displayHelp(display, ev, help) {
|
||
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();
|
||
if (hasClass(help, "hidden") === false) {
|
||
displayHelp(false, ev, help);
|
||
} else if (hasClass(search, "hidden") === false) {
|
||
clearInputTimeout();
|
||
ev.preventDefault();
|
||
hideSearchResults(search);
|
||
}
|
||
defocusSearchBar();
|
||
hideThemeButtonState();
|
||
}
|
||
|
||
function handleShortcut(ev) {
|
||
// Don't interfere with browser shortcuts
|
||
if (ev.ctrlKey || ev.altKey || ev.metaKey || disableShortcuts === true) {
|
||
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);
|
||
ev.preventDefault();
|
||
focusSearchBar();
|
||
break;
|
||
|
||
case "+":
|
||
case "-":
|
||
ev.preventDefault();
|
||
toggleAllDocs();
|
||
break;
|
||
|
||
case "?":
|
||
displayHelp(true, ev);
|
||
break;
|
||
|
||
case "t":
|
||
case "T":
|
||
displayHelp(false, ev);
|
||
ev.preventDefault();
|
||
var themePicker = getThemePickerElement();
|
||
themePicker.click();
|
||
themePicker.focus();
|
||
break;
|
||
|
||
default:
|
||
var themePicker = getThemePickerElement();
|
||
if (themePicker.parentNode.contains(ev.target)) {
|
||
handleThemeKeyDown(ev);
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
function handleThemeKeyDown(ev) {
|
||
var active = document.activeElement;
|
||
var themes = getThemesElement();
|
||
switch (getVirtualKey(ev)) {
|
||
case "ArrowUp":
|
||
ev.preventDefault();
|
||
if (active.previousElementSibling && ev.target.id !== "theme-picker") {
|
||
active.previousElementSibling.focus();
|
||
} else {
|
||
showThemeButtonState();
|
||
themes.lastElementChild.focus();
|
||
}
|
||
break;
|
||
case "ArrowDown":
|
||
ev.preventDefault();
|
||
if (active.nextElementSibling && ev.target.id !== "theme-picker") {
|
||
active.nextElementSibling.focus();
|
||
} else {
|
||
showThemeButtonState();
|
||
themes.firstElementChild.focus();
|
||
}
|
||
break;
|
||
case "Enter":
|
||
case "Return":
|
||
case "Space":
|
||
if (ev.target.id === "theme-picker" && themes.style.display === "none") {
|
||
ev.preventDefault();
|
||
showThemeButtonState();
|
||
themes.firstElementChild.focus();
|
||
}
|
||
break;
|
||
case "Home":
|
||
ev.preventDefault();
|
||
themes.firstElementChild.focus();
|
||
break;
|
||
case "End":
|
||
ev.preventDefault();
|
||
themes.lastElementChild.focus();
|
||
break;
|
||
// The escape key is handled in handleEscape, not here,
|
||
// so that pressing escape will close the menu even if it isn't focused
|
||
}
|
||
}
|
||
|
||
function findParentElement(elem, tagName) {
|
||
do {
|
||
if (elem && elem.tagName === tagName) {
|
||
return elem;
|
||
}
|
||
elem = elem.parentNode;
|
||
} while (elem);
|
||
return null;
|
||
}
|
||
|
||
document.addEventListener("keypress", handleShortcut);
|
||
document.addEventListener("keydown", handleShortcut);
|
||
|
||
document.addEventListener("mousemove", function() { mouseMovedAfterSearch = true; });
|
||
|
||
var handleSourceHighlight = (function() {
|
||
var prev_line_id = 0;
|
||
|
||
var set_fragment = function(name) {
|
||
var x = window.scrollX,
|
||
y = window.scrollY;
|
||
if (browserSupportsHistoryApi()) {
|
||
history.replaceState(null, null, "#" + name);
|
||
highlightSourceLines();
|
||
} else {
|
||
location.replace("#" + name);
|
||
}
|
||
// Prevent jumps when selecting one or many lines
|
||
window.scrollTo(x, y);
|
||
};
|
||
|
||
return function(ev) {
|
||
var cur_line_id = parseInt(ev.target.id, 10);
|
||
ev.preventDefault();
|
||
|
||
if (ev.shiftKey && prev_line_id) {
|
||
// Swap selection if needed
|
||
if (prev_line_id > cur_line_id) {
|
||
var tmp = prev_line_id;
|
||
prev_line_id = cur_line_id;
|
||
cur_line_id = tmp;
|
||
}
|
||
|
||
set_fragment(prev_line_id + "-" + cur_line_id);
|
||
} else {
|
||
prev_line_id = cur_line_id;
|
||
|
||
set_fragment(cur_line_id);
|
||
}
|
||
};
|
||
}());
|
||
|
||
document.addEventListener("click", function(ev) {
|
||
if (hasClass(ev.target, "help-button")) {
|
||
displayHelp(true, ev);
|
||
} else 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")) {
|
||
handleSourceHighlight(ev);
|
||
} else if (hasClass(getHelpElement(), "hidden") === false) {
|
||
var help = getHelpElement();
|
||
var is_inside_help_popup = ev.target !== help && help.contains(ev.target);
|
||
if (is_inside_help_popup === false) {
|
||
addClass(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(/^#/, ""));
|
||
}
|
||
}
|
||
});
|
||
|
||
(function() {
|
||
var x = document.getElementsByClassName("version-selector");
|
||
if (x.length > 0) {
|
||
x[0].onchange = function() {
|
||
var i, match,
|
||
url = document.location.href,
|
||
stripped = "",
|
||
len = window.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);
|
||
}
|
||
|
||
var selectedVersion = document.getElementsByClassName("version-selector")[0].value;
|
||
url += "/" + selectedVersion + 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;
|
||
}
|
||
|
||
window.initSearch = function(rawSearchIndex) {
|
||
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 NO_TYPE_FILTER = -1;
|
||
var currentResults, index, searchIndex;
|
||
var ALIASES = {};
|
||
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 (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) {
|
||
for (var i = 0, len = itemTypes.length; i < len; ++i) {
|
||
if (itemTypes[i] === typename) {
|
||
return i;
|
||
}
|
||
}
|
||
return NO_TYPE_FILTER;
|
||
}
|
||
|
||
var valLower = query.query.toLowerCase(),
|
||
val = valLower,
|
||
typeFilter = itemTypeFromName(query.type),
|
||
results = {}, results_in_args = {}, results_returned = {},
|
||
split = valLower.split("::");
|
||
|
||
split = split.filter(function(segment) { return segment !== ""; });
|
||
|
||
function transformResults(results, isType) {
|
||
var out = [];
|
||
for (var i = 0, len = results.length; i < len; ++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 (hasOwnProperty(results, entry)) {
|
||
ar.push(results[entry]);
|
||
}
|
||
}
|
||
results = ar;
|
||
var i, len, result;
|
||
for (i = 0, len = results.length; i < len; ++i) {
|
||
result = results[i];
|
||
result.word = searchWords[result.id];
|
||
result.item = searchIndex[result.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;
|
||
});
|
||
|
||
for (i = 0, len = results.length; i < len; ++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 getObjectFromId(id) {
|
||
if (typeof id === "number") {
|
||
return searchIndex[id];
|
||
}
|
||
return {'name': id};
|
||
}
|
||
|
||
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 firstGeneric = getObjectFromId(val.generics[y]).name;
|
||
for (var x = 0, elength = elems.length; x < elength; ++x) {
|
||
var tmp_lev = levenshtein(getObjectFromId(elems[x]).name,
|
||
firstGeneric);
|
||
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 len, x, y, e_len, firstGeneric;
|
||
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;
|
||
|
||
len = val.generics.length;
|
||
for (y = 0; allFound === true && y < len; ++y) {
|
||
allFound = false;
|
||
firstGeneric = getObjectFromId(val.generics[y]).name;
|
||
e_len = elems.length;
|
||
for (x = 0; allFound === false && x < e_len; ++x) {
|
||
allFound = getObjectFromId(elems[x]).name === firstGeneric;
|
||
}
|
||
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) {
|
||
return obj[GENERICS_DATA].some(
|
||
function(name) {
|
||
return name === val.name;
|
||
});
|
||
}
|
||
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, typeFilter) {
|
||
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 = obj.type[INPUTS_DATA][i];
|
||
if (typePassesFilter(typeFilter, tmp[1]) === false) {
|
||
continue;
|
||
}
|
||
tmp = checkType(tmp, 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 checkReturned(obj, val, literalSearch, typeFilter) {
|
||
var lev_distance = MAX_LEV_DISTANCE + 1;
|
||
|
||
if (obj && obj.type && obj.type.length > OUTPUT_DATA) {
|
||
var ret = obj.type[OUTPUT_DATA];
|
||
if (typeof ret[0] === "string") {
|
||
ret = [ret];
|
||
}
|
||
for (var x = 0, len = ret.length; x < len; ++x) {
|
||
var tmp = ret[x];
|
||
if (typePassesFilter(typeFilter, tmp[1]) === false) {
|
||
continue;
|
||
}
|
||
tmp = checkType(tmp, 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 <= NO_TYPE_FILTER) 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 === "associatedtype";
|
||
case "trait":
|
||
return name === "traitalias";
|
||
}
|
||
|
||
// 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;
|
||
}
|
||
|
||
function createAliasFromItem(item) {
|
||
return {
|
||
crate: item.crate,
|
||
name: item.name,
|
||
path: item.path,
|
||
desc: item.desc,
|
||
ty: item.ty,
|
||
parent: item.parent,
|
||
type: item.type,
|
||
is_alias: true,
|
||
};
|
||
}
|
||
|
||
function handleAliases(ret, query, filterCrates) {
|
||
// We separate aliases and crate aliases because we want to have current crate
|
||
// aliases to be before the others in the displayed results.
|
||
var aliases = [];
|
||
var crateAliases = [];
|
||
if (filterCrates !== undefined) {
|
||
if (ALIASES[filterCrates] && ALIASES[filterCrates][query.search]) {
|
||
var query_aliases = ALIASES[filterCrates][query.search];
|
||
var len = query_aliases.length;
|
||
for (var i = 0; i < len; ++i) {
|
||
aliases.push(createAliasFromItem(searchIndex[query_aliases[i]]));
|
||
}
|
||
}
|
||
} else {
|
||
Object.keys(ALIASES).forEach(function(crate) {
|
||
if (ALIASES[crate][query.search]) {
|
||
var pushTo = crate === window.currentCrate ? crateAliases : aliases;
|
||
var query_aliases = ALIASES[crate][query.search];
|
||
var len = query_aliases.length;
|
||
for (var i = 0; i < len; ++i) {
|
||
pushTo.push(createAliasFromItem(searchIndex[query_aliases[i]]));
|
||
}
|
||
}
|
||
});
|
||
}
|
||
|
||
var sortFunc = function(aaa, bbb) {
|
||
if (aaa.path < bbb.path) {
|
||
return 1;
|
||
} else if (aaa.path === bbb.path) {
|
||
return 0;
|
||
}
|
||
return -1;
|
||
};
|
||
crateAliases.sort(sortFunc);
|
||
aliases.sort(sortFunc);
|
||
|
||
var pushFunc = function(alias) {
|
||
alias.alias = query.raw;
|
||
var res = buildHrefAndPath(alias);
|
||
alias.displayPath = pathSplitter(res[0]);
|
||
alias.fullPath = alias.displayPath + alias.name;
|
||
alias.href = res[1];
|
||
|
||
ret.others.unshift(alias);
|
||
if (ret.others.length > MAX_RESULTS) {
|
||
ret.others.pop();
|
||
}
|
||
};
|
||
onEach(aliases, pushFunc);
|
||
onEach(crateAliases, pushFunc);
|
||
}
|
||
|
||
// quoted values mean literal search
|
||
var nSearchWords = searchWords.length;
|
||
var i, it;
|
||
var ty;
|
||
var fullId;
|
||
var returned;
|
||
var in_args;
|
||
var len;
|
||
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, typeFilter);
|
||
returned = checkReturned(searchIndex[i], val, true, typeFilter);
|
||
ty = searchIndex[i];
|
||
fullId = generateId(ty);
|
||
|
||
if (searchWords[i] === val.name
|
||
&& typePassesFilter(typeFilter, searchIndex[i].ty)
|
||
&& results[fullId] === undefined) {
|
||
results[fullId] = {
|
||
id: i,
|
||
index: -1,
|
||
dontValidate: true,
|
||
};
|
||
}
|
||
if (in_args === true && results_in_args[fullId] === undefined) {
|
||
results_in_args[fullId] = {
|
||
id: i,
|
||
index: -1,
|
||
dontValidate: true,
|
||
};
|
||
}
|
||
if (returned === true && results_returned[fullId] === undefined) {
|
||
results_returned[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, len = inputs.length; i < len; ++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);
|
||
|
||
returned = checkReturned(ty, output, true, NO_TYPE_FILTER);
|
||
if (output.name === "*" || returned === true) {
|
||
in_args = false;
|
||
var is_module = false;
|
||
|
||
if (input === "*") {
|
||
is_module = true;
|
||
} else {
|
||
var allFound = true;
|
||
for (it = 0, len = inputs.length; allFound === true && it < len; 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, len = paths.length; j < len; ++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);
|
||
|
||
var lev;
|
||
for (j = 0; j < nSearchWords; ++j) {
|
||
ty = searchIndex[j];
|
||
if (!ty || (filterCrates !== undefined && ty.crate !== filterCrates)) {
|
||
continue;
|
||
}
|
||
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;
|
||
}
|
||
}
|
||
in_args = findArg(ty, valGenerics, false, typeFilter);
|
||
returned = checkReturned(ty, valGenerics, false, typeFilter);
|
||
|
||
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),
|
||
};
|
||
handleAliases(ret, query, filterCrates);
|
||
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, len = keys.length; i < len; ++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 !== 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) {
|
||
hideSearchResults();
|
||
document.location.href = dst.href;
|
||
}
|
||
};
|
||
var mouseover_func = function(e) {
|
||
if (mouseMovedAfterSearch) {
|
||
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(h_e) {
|
||
actives[current].push(h_e);
|
||
});
|
||
current += 1;
|
||
});
|
||
|
||
if (e.which === 38) { // up
|
||
if (e.ctrlKey) { // Going through result tabs.
|
||
printTab(currentTab > 0 ? currentTab - 1 : 2);
|
||
} else {
|
||
if (!actives[currentTab].length ||
|
||
!actives[currentTab][0].previousElementSibling) {
|
||
return;
|
||
}
|
||
addClass(actives[currentTab][0].previousElementSibling, "highlighted");
|
||
removeClass(actives[currentTab][0], "highlighted");
|
||
}
|
||
e.preventDefault();
|
||
} else if (e.which === 40) { // down
|
||
if (e.ctrlKey) { // Going through result tabs.
|
||
printTab(currentTab > 1 ? 0 : currentTab + 1);
|
||
} else 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");
|
||
}
|
||
e.preventDefault();
|
||
} else if (e.which === 13) { // return
|
||
if (actives[currentTab].length) {
|
||
document.location.href =
|
||
actives[currentTab][0].getElementsByTagName("a")[0].href;
|
||
}
|
||
} else if (e.which === 16) { // shift
|
||
// Does nothing, it's just to avoid losing "focus" on the highlighted element.
|
||
} 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;
|
||
var path = item.path;
|
||
|
||
if (type === "mod") {
|
||
displayPath = path + "::";
|
||
href = window.rootPath + path.replace(/::/g, "/") + "/" +
|
||
name + "/index.html";
|
||
} else if (type === "primitive" || type === "keyword") {
|
||
displayPath = "";
|
||
href = window.rootPath + path.replace(/::/g, "/") +
|
||
"/" + type + "." + name + ".html";
|
||
} else if (type === "externcrate") {
|
||
displayPath = "";
|
||
href = window.rootPath + name + "/index.html";
|
||
} else if (item.parent !== undefined) {
|
||
var myparent = item.parent;
|
||
var anchor = "#" + type + "." + name;
|
||
var parentType = itemTypes[myparent.ty];
|
||
var pageType = parentType;
|
||
var pageName = myparent.name;
|
||
|
||
if (parentType === "primitive") {
|
||
displayPath = myparent.name + "::";
|
||
} else if (type === "structfield" && parentType === "variant") {
|
||
// Structfields belonging to variants are special: the
|
||
// final path element is the enum name.
|
||
var splitPath = item.path.split("::");
|
||
var enumName = splitPath.pop();
|
||
path = splitPath.join("::");
|
||
displayPath = path + "::" + enumName + "::" + myparent.name + "::";
|
||
anchor = "#variant." + myparent.name + ".field." + name;
|
||
pageType = "enum";
|
||
pageName = enumName;
|
||
} else {
|
||
displayPath = path + "::" + myparent.name + "::";
|
||
}
|
||
href = window.rootPath + path.replace(/::/g, "/") +
|
||
"/" + pageType +
|
||
"." + pageName +
|
||
".html" + anchor;
|
||
} else {
|
||
displayPath = item.path + "::";
|
||
href = window.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\">" + 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 "<button class=\"selected\">" + text +
|
||
" <div class=\"count\">(" + nbElems + ")</div></button>";
|
||
}
|
||
return "<button>" + text + " <div class=\"count\">(" + nbElems + ")</div></button>";
|
||
}
|
||
|
||
function showResults(results) {
|
||
var search = getSearchElement();
|
||
if (results.others.length === 1
|
||
&& getSettingValue("go-to-only-result") === "true"
|
||
// By default, the search DOM element is "empty" (meaning it has no children not
|
||
// text content). Once a search has been run, it won't be empty, even if you press
|
||
// ESC or empty the search input (which also "cancels" the search).
|
||
&& (!search.firstChild || search.firstChild.innerText !== getSearchLoadingText()))
|
||
{
|
||
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();
|
||
return;
|
||
}
|
||
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);
|
||
|
||
// Navigate to the relevant tab if the current tab is empty, like in case users search
|
||
// for "-> String". If they had selected another tab previously, they have to click on
|
||
// it again.
|
||
if ((currentTab === 0 && ret_others[1] === 0) ||
|
||
(currentTab === 1 && ret_in_args[1] === 0) ||
|
||
(currentTab === 2 && ret_returned[1] === 0)) {
|
||
if (ret_others[1] !== 0) {
|
||
currentTab = 0;
|
||
} else if (ret_in_args[1] !== 0) {
|
||
currentTab = 1;
|
||
} else if (ret_returned[1] !== 0) {
|
||
currentTab = 2;
|
||
}
|
||
}
|
||
|
||
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>";
|
||
|
||
search.innerHTML = output;
|
||
showSearchResults(search);
|
||
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, len = positions.length; it < len; ++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, arrays_len = arrays.length; x < arrays_len; ++x) {
|
||
positions.push(0);
|
||
}
|
||
while (ret.length < MAX_RESULTS) {
|
||
var smallest = getSmallest(arrays, positions, notDuplicates);
|
||
|
||
if (smallest === null) {
|
||
break;
|
||
}
|
||
for (x = 0; x < arrays_len && 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, len = queries.length; i < len; ++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),
|
||
};
|
||
}
|
||
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" && hasOwnProperty(rawSearchIndex, 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
|
||
searchTitle = "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()) {
|
||
var newURL = getNakedUrl() + "?search=" + encodeURIComponent(query.raw) +
|
||
window.location.hash;
|
||
if (!history.state && !params.search) {
|
||
history.pushState(query, "", newURL);
|
||
} else {
|
||
history.replaceState(query, "", newURL);
|
||
}
|
||
}
|
||
|
||
var filterCrates = getFilterCrates();
|
||
showResults(execSearch(query, index, filterCrates));
|
||
}
|
||
|
||
function buildIndex(rawSearchIndex) {
|
||
searchIndex = [];
|
||
var searchWords = [];
|
||
var i;
|
||
var currentIndex = 0;
|
||
|
||
for (var crate in rawSearchIndex) {
|
||
if (!hasOwnProperty(rawSearchIndex, crate)) { continue; }
|
||
|
||
var crateSize = 0;
|
||
|
||
searchWords.push(crate);
|
||
searchIndex.push({
|
||
crate: crate,
|
||
ty: 1, // == ExternCrate
|
||
name: crate,
|
||
path: "",
|
||
desc: rawSearchIndex[crate].doc,
|
||
type: null,
|
||
});
|
||
currentIndex += 1;
|
||
|
||
// 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;
|
||
// a array of [(String) alias name
|
||
// [Number] index to items]
|
||
var aliases = rawSearchIndex[crate].a;
|
||
|
||
// convert `rawPaths` entries into 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];
|
||
if (!rawRow[2]) {
|
||
rawRow[2] = lastPath;
|
||
}
|
||
var row = {
|
||
crate: crate,
|
||
ty: rawRow[0],
|
||
name: rawRow[1],
|
||
path: rawRow[2],
|
||
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;
|
||
crateSize += 1;
|
||
}
|
||
|
||
if (aliases) {
|
||
ALIASES[crate] = {};
|
||
var j, local_aliases;
|
||
for (var alias_name in aliases) {
|
||
if (!aliases.hasOwnProperty(alias_name)) { continue; }
|
||
|
||
if (!ALIASES[crate].hasOwnProperty(alias_name)) {
|
||
ALIASES[crate][alias_name] = [];
|
||
}
|
||
local_aliases = aliases[alias_name];
|
||
for (j = 0, len = local_aliases.length; j < len; ++j) {
|
||
ALIASES[crate][alias_name].push(local_aliases[j] + currentIndex);
|
||
}
|
||
}
|
||
}
|
||
currentIndex += crateSize;
|
||
}
|
||
return searchWords;
|
||
}
|
||
|
||
function startSearch() {
|
||
var callback = function() {
|
||
clearInputTimeout();
|
||
if (search_input.value.length === 0) {
|
||
if (browserSupportsHistoryApi()) {
|
||
history.replaceState("", window.currentCrate + " - Rust",
|
||
getNakedUrl() + window.location.hash);
|
||
}
|
||
hideSearchResults();
|
||
} else {
|
||
searchTimeout = setTimeout(search, 500);
|
||
}
|
||
};
|
||
search_input.onkeyup = callback;
|
||
search_input.oninput = callback;
|
||
document.getElementsByClassName("search-form")[0].onsubmit = function(e) {
|
||
e.preventDefault();
|
||
clearInputTimeout();
|
||
search();
|
||
};
|
||
search_input.onchange = function(e) {
|
||
if (e.target !== document.activeElement) {
|
||
// To prevent doing anything when it's from a blur event.
|
||
return;
|
||
}
|
||
// Do NOT e.preventDefault() here. It will prevent pasting.
|
||
clearInputTimeout();
|
||
// 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.addEventListener("popstate", function(e) {
|
||
var params = getQueryStringParams();
|
||
// 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 && params.search.length > 0) {
|
||
search_input.value = params.search;
|
||
// Some browsers fire "onpopstate" for every page load
|
||
// (Chrome), while others fire the event only when actually
|
||
// popping a state (Firefox), which is why search() is
|
||
// called both here and at the end of the startSearch()
|
||
// function.
|
||
search(e);
|
||
} else {
|
||
search_input.value = "";
|
||
// When browsing back from search results the main page
|
||
// visibility must be reset.
|
||
hideSearchResults();
|
||
}
|
||
});
|
||
}
|
||
search();
|
||
}
|
||
|
||
index = buildIndex(rawSearchIndex);
|
||
startSearch();
|
||
|
||
// Draw a convenient sidebar of known crates if we have a listing
|
||
if (window.rootPath === "../" || window.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 (!hasOwnProperty(rawSearchIndex, crate)) {
|
||
continue;
|
||
}
|
||
crates.push(crate);
|
||
}
|
||
crates.sort();
|
||
for (var i = 0; i < crates.length; ++i) {
|
||
var klass = "crate";
|
||
if (window.rootPath !== "./" && crates[i] === window.currentCrate) {
|
||
klass += " current";
|
||
}
|
||
var link = document.createElement("a");
|
||
link.href = window.rootPath + crates[i] + "/index.html";
|
||
// The summary in the search index has HTML, so we need to
|
||
// dynamically render it as plaintext.
|
||
link.title = convertHTMLToPlaintext(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);
|
||
}
|
||
}
|
||
};
|
||
|
||
/**
|
||
* Convert HTML to plaintext:
|
||
*
|
||
* * Replace "<code>foo</code>" with "`foo`"
|
||
* * Strip all other HTML tags
|
||
*
|
||
* Used by the dynamic sidebar crate list renderer.
|
||
*
|
||
* @param {[string]} html [The HTML to convert]
|
||
* @return {[string]} [The resulting plaintext]
|
||
*/
|
||
function convertHTMLToPlaintext(html) {
|
||
var x = document.createElement("div");
|
||
x.innerHTML = html.replace('<code>', '`').replace('</code>', '`');
|
||
return x.innerText;
|
||
}
|
||
|
||
|
||
// delayed sidebar rendering.
|
||
window.initSidebarItems = function(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, len = filtered.length; i < len; ++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.register_implementors = function(imp) {
|
||
var implementors = document.getElementById("implementors-list");
|
||
var synthetic_implementors = document.getElementById("synthetic-implementors-list");
|
||
|
||
if (synthetic_implementors) {
|
||
// This `inlined_types` variable is used to avoid having the same implementation
|
||
// showing up twice. For example "String" in the "Sync" doc page.
|
||
//
|
||
// By the way, this is only used by and useful for traits implemented automatically
|
||
// (like "Send" and "Sync").
|
||
var inlined_types = new Set();
|
||
onEachLazy(synthetic_implementors.getElementsByClassName("impl"), function(el) {
|
||
var aliases = el.getAttribute("aliases");
|
||
if (!aliases) {
|
||
return;
|
||
}
|
||
aliases.split(",").forEach(function(alias) {
|
||
inlined_types.add(alias);
|
||
});
|
||
});
|
||
}
|
||
|
||
var libs = Object.getOwnPropertyNames(imp);
|
||
for (var i = 0, llength = libs.length; i < llength; ++i) {
|
||
if (libs[i] === window.currentCrate) { continue; }
|
||
var structs = imp[libs[i]];
|
||
|
||
struct_loop:
|
||
for (var j = 0, slength = structs.length; j < slength; ++j) {
|
||
var struct = structs[j];
|
||
|
||
var list = struct.synthetic ? synthetic_implementors : implementors;
|
||
|
||
if (struct.synthetic) {
|
||
for (var k = 0, stlength = struct.types.length; k < stlength; k++) {
|
||
if (inlined_types.has(struct.types[k])) {
|
||
continue struct_loop;
|
||
}
|
||
inlined_types.add(struct.types[k]);
|
||
}
|
||
}
|
||
|
||
var code = document.createElement("code");
|
||
code.innerHTML = struct.text;
|
||
|
||
onEachLazy(code.getElementsByTagName("a"), function(elem) {
|
||
var href = elem.getAttribute("href");
|
||
|
||
if (href && href.indexOf("http") !== 0) {
|
||
elem.setAttribute("href", window.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(fromAutoCollapse) {
|
||
var innerToggle = document.getElementById(toggleAllDocsId);
|
||
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");
|
||
}
|
||
});
|
||
}
|
||
}
|
||
}
|
||
|
||
function collapseDocs(toggle, mode) {
|
||
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 shouldHide =
|
||
fullHide === true ||
|
||
hasClass(n, "method") === true ||
|
||
hasClass(n, "associatedconstant") === true;
|
||
if (shouldHide === true || hasClass(n, "type") === true) {
|
||
if (shouldHide === true) {
|
||
if (addOrRemove) {
|
||
addClass(n, "hidden-by-impl-hider");
|
||
} else {
|
||
removeClass(n, "hidden-by-impl-hider");
|
||
}
|
||
}
|
||
var ns = n.nextElementSibling;
|
||
while (ns && (hasClass(ns, "docblock") || hasClass(ns, "item-info"))) {
|
||
if (addOrRemove) {
|
||
addClass(ns, "hidden-by-impl-hider");
|
||
} else {
|
||
removeClass(ns, "hidden-by-impl-hider");
|
||
}
|
||
ns = ns.nextElementSibling;
|
||
}
|
||
}
|
||
};
|
||
}
|
||
|
||
var relatedDoc;
|
||
var action = mode;
|
||
if (hasClass(toggle.parentNode, "impl") === false) {
|
||
relatedDoc = toggle.parentNode.nextElementSibling;
|
||
if (hasClass(relatedDoc, "item-info")) {
|
||
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) {
|
||
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");
|
||
// Stability/deprecation/portability information is never hidden.
|
||
if (hasClass(docblock, "item-info") === false) {
|
||
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");
|
||
// Stability/deprecation/portability information should be shown even when detailed
|
||
// info is hidden.
|
||
if (hasClass(docblock, "item-info") === false) {
|
||
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");
|
||
}
|
||
}
|
||
}
|
||
|
||
function autoCollapse(collapse) {
|
||
if (collapse) {
|
||
toggleAllDocs(true);
|
||
} else if (getSettingValue("auto-hide-trait-implementations") !== "false") {
|
||
var impl_list = document.getElementById("trait-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);
|
||
});
|
||
}
|
||
}
|
||
}
|
||
|
||
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;
|
||
}
|
||
|
||
function createToggle(toggle, 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;
|
||
}
|
||
|
||
(function() {
|
||
var toggles = document.getElementById(toggleAllDocsId);
|
||
if (toggles) {
|
||
toggles.onclick = toggleAllDocs;
|
||
}
|
||
|
||
var toggle = createSimpleToggle(false);
|
||
var hideMethodDocs = getSettingValue("auto-hide-method-docs") === "true";
|
||
var hideImplementors = getSettingValue("auto-collapse-implementors") !== "false";
|
||
|
||
var func = function(e) {
|
||
var next = e.nextElementSibling;
|
||
if (next && hasClass(next, "item-info")) {
|
||
next = next.nextElementSibling;
|
||
}
|
||
if (!next) {
|
||
return;
|
||
}
|
||
if (hasClass(next, "docblock")) {
|
||
var newToggle = toggle.cloneNode(true);
|
||
insertAfter(newToggle, e.childNodes[e.childNodes.length - 1]);
|
||
if (hideMethodDocs === true && hasClass(e, "method") === true) {
|
||
collapseDocs(newToggle, "hide");
|
||
}
|
||
}
|
||
};
|
||
|
||
var funcImpl = function(e) {
|
||
var next = e.nextElementSibling;
|
||
if (next && hasClass(next, "item-info")) {
|
||
next = next.nextElementSibling;
|
||
}
|
||
if (next && hasClass(next, "docblock")) {
|
||
next = next.nextElementSibling;
|
||
}
|
||
if (!next) {
|
||
return;
|
||
}
|
||
if (hasClass(e, "impl") &&
|
||
(next.getElementsByClassName("method").length > 0 ||
|
||
next.getElementsByClassName("associatedconstant").length > 0)) {
|
||
var newToggle = toggle.cloneNode(true);
|
||
insertAfter(newToggle, e.childNodes[e.childNodes.length - 1]);
|
||
// In case the option "auto-collapse implementors" is not set to false, we collapse
|
||
// all implementors.
|
||
if (hideImplementors === true && e.parentNode.id === "implementors-list") {
|
||
collapseDocs(newToggle, "hide");
|
||
}
|
||
}
|
||
};
|
||
|
||
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) {
|
||
if (e.id.match(/^impl(?:-\d+)?$/) === null) {
|
||
// Automatically minimize all non-inherent impls
|
||
if (hasClass(e, "impl") === true) {
|
||
collapseDocs(newToggle, "hide");
|
||
}
|
||
}
|
||
};
|
||
}
|
||
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);
|
||
// We transform the DOM iterator into a vec of DOM elements to prevent performance
|
||
// issues on webkit browsers.
|
||
var hiddenElems = Array.prototype.slice.call(e.getElementsByClassName("hidden"));
|
||
var needToggle = hiddenElems.some(function(hiddenElem) {
|
||
return hasClass(hiddenElem, "content") === false &&
|
||
hasClass(hiddenElem, "docblock") === false;
|
||
});
|
||
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);
|
||
}
|
||
});
|
||
|
||
var currentType = document.getElementsByClassName("type-decl")[0];
|
||
var className = null;
|
||
if (currentType) {
|
||
currentType = currentType.getElementsByClassName("rust")[0];
|
||
if (currentType) {
|
||
currentType.classList.forEach(function(item) {
|
||
if (item !== "main") {
|
||
className = item;
|
||
return true;
|
||
}
|
||
});
|
||
}
|
||
}
|
||
var showItemDeclarations = getSettingValue("auto-hide-" + className);
|
||
if (showItemDeclarations === null) {
|
||
if (className === "enum" || className === "macro") {
|
||
showItemDeclarations = "false";
|
||
} else if (className === "struct" || className === "union" || className === "trait") {
|
||
showItemDeclarations = "true";
|
||
} else {
|
||
// In case we found an unknown type, we just use the "parent" value.
|
||
showItemDeclarations = getSettingValue("auto-hide-declarations");
|
||
}
|
||
}
|
||
showItemDeclarations = showItemDeclarations === "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) {
|
||
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(
|
||
toggle,
|
||
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);
|
||
|
||
autoCollapse(getSettingValue("collapse") === "true");
|
||
|
||
var pageId = getPageId();
|
||
if (pageId !== null) {
|
||
expandSection(pageId);
|
||
}
|
||
}());
|
||
|
||
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;
|
||
}
|
||
|
||
(function() {
|
||
// To avoid checking on "rustdoc-item-attributes" value on every loop...
|
||
var itemAttributesFunc = function() {};
|
||
if (getSettingValue("auto-hide-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);
|
||
});
|
||
}());
|
||
|
||
(function() {
|
||
// To avoid checking on "rustdoc-line-numbers" value on every loop...
|
||
var lineNumbersFunc = function() {};
|
||
if (getSettingValue("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() {
|
||
this.parentElement.previousElementSibling.childNodes[0].style.color = "#f00";
|
||
});
|
||
e.addEventListener("mouseout", function() {
|
||
this.parentElement.previousElementSibling.childNodes[0].style.color = "";
|
||
});
|
||
} else if (hasClass(e, "ignore")) {
|
||
e.addEventListener("mouseover", function() {
|
||
this.parentElement.previousElementSibling.childNodes[0].style.color = "#ff9200";
|
||
});
|
||
e.addEventListener("mouseout", function() {
|
||
this.parentElement.previousElementSibling.childNodes[0].style.color = "";
|
||
});
|
||
}
|
||
lineNumbersFunc(e);
|
||
});
|
||
}());
|
||
|
||
onEachLazy(document.getElementsByClassName("notable-traits"), function(e) {
|
||
e.onclick = function() {
|
||
this.getElementsByClassName('notable-traits-tooltiptext')[0]
|
||
.classList.toggle("force-tooltip");
|
||
};
|
||
});
|
||
|
||
// 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) {
|
||
var search = getSearchElement();
|
||
if (search_input.value !== "" && hasClass(search, "hidden")) {
|
||
showSearchResults(search);
|
||
if (browserSupportsHistoryApi()) {
|
||
var extra = "?search=" + encodeURIComponent(search_input.value);
|
||
history.replaceState(search_input.value, "",
|
||
getNakedUrl() + extra + window.location.hash);
|
||
}
|
||
document.title = searchTitle;
|
||
}
|
||
}
|
||
|
||
function getSearchLoadingText() {
|
||
return "Loading search results...";
|
||
}
|
||
|
||
if (search_input) {
|
||
search_input.onfocus = function() {
|
||
putBackSearch(this);
|
||
};
|
||
}
|
||
|
||
var params = getQueryStringParams();
|
||
if (params && params.search) {
|
||
var search = getSearchElement();
|
||
search.innerHTML = "<h3 style=\"text-align: center;\">" + getSearchLoadingText() + "</h3>";
|
||
showSearchResults(search);
|
||
}
|
||
|
||
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();
|
||
}
|
||
};
|
||
}
|
||
|
||
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 enableSearchInput() {
|
||
if (search_input) {
|
||
search_input.removeAttribute('disabled');
|
||
}
|
||
}
|
||
|
||
window.addSearchOptions = function(crates) {
|
||
var elem = document.getElementById("crate-search");
|
||
|
||
if (!elem) {
|
||
enableSearchInput();
|
||
return;
|
||
}
|
||
var crates_text = [];
|
||
if (Object.keys(crates).length > 1) {
|
||
for (var crate in crates) {
|
||
if (hasOwnProperty(crates, 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;
|
||
});
|
||
var savedCrate = getSettingValue("saved-filter-crate");
|
||
for (var i = 0, len = crates_text.length; i < len; ++i) {
|
||
var option = document.createElement("option");
|
||
option.value = crates_text[i];
|
||
option.innerText = crates_text[i];
|
||
elem.appendChild(option);
|
||
// 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.
|
||
if (crates_text[i] === savedCrate) {
|
||
elem.value = savedCrate;
|
||
}
|
||
}
|
||
enableSearchInput();
|
||
};
|
||
|
||
function buildHelperPopup() {
|
||
var popup = document.createElement("aside");
|
||
addClass(popup, "hidden");
|
||
popup.id = "help";
|
||
|
||
var book_info = document.createElement("span");
|
||
book_info.innerHTML = "You can find more information in \
|
||
<a href=\"https://doc.rust-lang.org/rustdoc/\">the rustdoc book</a>.";
|
||
|
||
var container = document.createElement("div");
|
||
var shortcuts = [
|
||
["?", "Show this help dialog"],
|
||
["S", "Focus the search field"],
|
||
["T", "Focus the theme picker menu"],
|
||
["↑", "Move up in search results"],
|
||
["↓", "Move down in search results"],
|
||
["ctrl + ↑ / ↓", "Switch result tab"],
|
||
["⏎", "Go to active search result"],
|
||
["+", "Expand all sections"],
|
||
["-", "Collapse all sections"],
|
||
].map(x => "<dt>" +
|
||
x[0].split(" ")
|
||
.map((y, index) => (index & 1) === 0 ? "<kbd>" + y + "</kbd>" : " " + y + " ")
|
||
.join("") + "</dt><dd>" + x[1] + "</dd>").join("");
|
||
var div_shortcuts = document.createElement("div");
|
||
addClass(div_shortcuts, "shortcuts");
|
||
div_shortcuts.innerHTML = "<h2>Keyboard Shortcuts</h2><dl>" + shortcuts + "</dl></div>";
|
||
|
||
var infos = [
|
||
"Prefix searches with a type followed by a colon (e.g., <code>fn:</code>) to \
|
||
restrict the search to a given item kind.",
|
||
"Accepted kinds are: <code>fn</code>, <code>mod</code>, <code>struct</code>, \
|
||
<code>enum</code>, <code>trait</code>, <code>type</code>, <code>macro</code>, \
|
||
and <code>const</code>.",
|
||
"Search functions by type signature (e.g., <code>vec -> usize</code> or \
|
||
<code>* -> vec</code>)",
|
||
"Search multiple things at once by splitting your query with comma (e.g., \
|
||
<code>str,u8</code> or <code>String,struct:Vec,test</code>)",
|
||
"You can look for items with an exact name by putting double quotes around \
|
||
your request: <code>\"string\"</code>",
|
||
"Look for items inside another one by searching for a path: <code>vec::Vec</code>",
|
||
].map(x => "<p>" + x + "</p>").join("");
|
||
var div_infos = document.createElement("div");
|
||
addClass(div_infos, "infos");
|
||
div_infos.innerHTML = "<h2>Search Tricks</h2>" + infos;
|
||
|
||
container.appendChild(book_info);
|
||
container.appendChild(div_shortcuts);
|
||
container.appendChild(div_infos);
|
||
|
||
popup.appendChild(container);
|
||
insertAfter(popup, getSearchElement());
|
||
// So that it's only built once and then it'll do nothing when called!
|
||
buildHelperPopup = function() {};
|
||
}
|
||
|
||
onHashChange(null);
|
||
window.onhashchange = onHashChange;
|
||
}());
|
||
|
||
// This is required in firefox. Explanations: when going back in the history, firefox doesn't re-run
|
||
// the JS, therefore preventing rustdoc from setting a few things required to be able to reload the
|
||
// previous search results (if you navigated to a search result with the keyboard, pressed enter on
|
||
// it to navigate to that result, and then came back to this page).
|
||
window.onunload = function(){};
|