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-rw-r--r--vendor/minifier/tests/files/main.js2542
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diff --git a/vendor/minifier/tests/files/main.js b/vendor/minifier/tests/files/main.js
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+++ b/vendor/minifier/tests/files/main.js
@@ -0,0 +1,2542 @@
+// From rust:
+/* global ALIASES, currentCrate, rootPath */
+
+// Local js definitions:
+/* global addClass, getCurrentValue, hasClass */
+/* global isHidden onEach, removeClass, updateLocalStorage */
+
+if (!String.prototype.startsWith) {
+ String.prototype.startsWith = function(searchString, position) {
+ position = position || 0;
+ return this.indexOf(searchString, position) === position;
+ };
+}
+if (!String.prototype.endsWith) {
+ String.prototype.endsWith = function(suffix, length) {
+ var l = length || this.length;
+ return this.indexOf(suffix, l - suffix.length) !== -1;
+ };
+}
+
+if (!DOMTokenList.prototype.add) {
+ DOMTokenList.prototype.add = function(className) {
+ if (className && !hasClass(this, className)) {
+ if (this.className && this.className.length > 0) {
+ this.className += " " + className;
+ } else {
+ this.className = className;
+ }
+ }
+ };
+}
+
+if (!DOMTokenList.prototype.remove) {
+ DOMTokenList.prototype.remove = function(className) {
+ if (className && this.className) {
+ this.className = (" " + this.className + " ").replace(" " + className + " ", " ")
+ .trim();
+ }
+ };
+}
+
+(function() {
+ "use strict";
+
+ // This mapping table should match the discriminants of
+ // `rustdoc::html::item_type::ItemType` type in Rust.
+ var itemTypes = ["mod",
+ "externcrate",
+ "import",
+ "struct",
+ "enum",
+ "fn",
+ "type",
+ "static",
+ "trait",
+ "impl",
+ "tymethod",
+ "method",
+ "structfield",
+ "variant",
+ "macro",
+ "primitive",
+ "associatedtype",
+ "constant",
+ "associatedconstant",
+ "union",
+ "foreigntype",
+ "keyword",
+ "existential",
+ "attr",
+ "derive",
+ "traitalias"];
+
+ var search_input = document.getElementsByClassName("search-input")[0];
+
+ // On the search screen, so you remain on the last tab you opened.
+ //
+ // 0 for "In Names"
+ // 1 for "In Parameters"
+ // 2 for "In Return Types"
+ var currentTab = 0;
+
+ var titleBeforeSearch = document.title;
+
+ function getPageId() {
+ var id = document.location.href.split("#")[1];
+ if (id) {
+ return id.split("?")[0].split("&")[0];
+ }
+ return null;
+ }
+
+ function showSidebar() {
+ var elems = document.getElementsByClassName("sidebar-elems")[0];
+ if (elems) {
+ addClass(elems, "show-it");
+ }
+ var sidebar = document.getElementsByClassName("sidebar")[0];
+ if (sidebar) {
+ addClass(sidebar, "mobile");
+ var filler = document.getElementById("sidebar-filler");
+ if (!filler) {
+ var div = document.createElement("div");
+ div.id = "sidebar-filler";
+ sidebar.appendChild(div);
+ }
+ }
+ var themePicker = document.getElementsByClassName("theme-picker");
+ if (themePicker && themePicker.length > 0) {
+ themePicker[0].style.display = "none";
+ }
+ }
+
+ function hideSidebar() {
+ var elems = document.getElementsByClassName("sidebar-elems")[0];
+ if (elems) {
+ removeClass(elems, "show-it");
+ }
+ var sidebar = document.getElementsByClassName("sidebar")[0];
+ removeClass(sidebar, "mobile");
+ var filler = document.getElementById("sidebar-filler");
+ if (filler) {
+ filler.remove();
+ }
+ document.getElementsByTagName("body")[0].style.marginTop = "";
+ var themePicker = document.getElementsByClassName("theme-picker");
+ if (themePicker && themePicker.length > 0) {
+ themePicker[0].style.display = null;
+ }
+ }
+
+ // used for special search precedence
+ var TY_PRIMITIVE = itemTypes.indexOf("primitive");
+ var TY_KEYWORD = itemTypes.indexOf("keyword");
+
+ onEachLazy(document.getElementsByClassName("js-only"), function(e) {
+ removeClass(e, "js-only");
+ });
+
+ function getQueryStringParams() {
+ var params = {};
+ window.location.search.substring(1).split("&").
+ map(function(s) {
+ var pair = s.split("=");
+ params[decodeURIComponent(pair[0])] =
+ typeof pair[1] === "undefined" ? null : decodeURIComponent(pair[1]);
+ });
+ return params;
+ }
+
+ function browserSupportsHistoryApi() {
+ return window.history && typeof window.history.pushState === "function";
+ }
+
+ var main = document.getElementById("main");
+
+ function highlightSourceLines(ev) {
+ // If we're in mobile mode, we should add the sidebar in any case.
+ hideSidebar();
+ var elem;
+ var search = document.getElementById("search");
+ var i, from, to, match = window.location.hash.match(/^#?(\d+)(?:-(\d+))?$/);
+ if (match) {
+ from = parseInt(match[1], 10);
+ to = from;
+ if (typeof match[2] !== "undefined") {
+ to = parseInt(match[2], 10);
+ }
+ if (to < from) {
+ var tmp = to;
+ to = from;
+ from = tmp;
+ }
+ elem = document.getElementById(from);
+ if (!elem) {
+ return;
+ }
+ if (ev === null) {
+ var x = document.getElementById(from);
+ if (x) {
+ x.scrollIntoView();
+ }
+ }
+ onEachLazy(document.getElementsByClassName("line-numbers"), function(e) {
+ onEachLazy(e.getElementsByTagName("span"), function(i_e) {
+ removeClass(i_e, "line-highlighted");
+ });
+ });
+ for (i = from; i <= to; ++i) {
+ elem = document.getElementById(i);
+ if (!elem) {
+ break;
+ }
+ addClass(elem, "line-highlighted");
+ }
+ } else if (ev !== null && search && !hasClass(search, "hidden") && ev.newURL) {
+ addClass(search, "hidden");
+ removeClass(main, "hidden");
+ var hash = ev.newURL.slice(ev.newURL.indexOf("#") + 1);
+ if (browserSupportsHistoryApi()) {
+ history.replaceState(hash, "", "?search=#" + hash);
+ }
+ elem = document.getElementById(hash);
+ if (elem) {
+ elem.scrollIntoView();
+ }
+ }
+ }
+
+ function expandSection(id) {
+ var elem = document.getElementById(id);
+ if (elem && isHidden(elem)) {
+ var h3 = elem.parentNode.previousElementSibling;
+ if (h3 && h3.tagName !== "H3") {
+ h3 = h3.previousElementSibling; // skip div.docblock
+ }
+
+ if (h3) {
+ var collapses = h3.getElementsByClassName("collapse-toggle");
+ if (collapses.length > 0) {
+ // The element is not visible, we need to make it appear!
+ collapseDocs(collapses[0], "show");
+ }
+ }
+ }
+ }
+
+ highlightSourceLines(null);
+ window.onhashchange = highlightSourceLines;
+
+ // Gets the human-readable string for the virtual-key code of the
+ // given KeyboardEvent, ev.
+ //
+ // This function is meant as a polyfill for KeyboardEvent#key,
+ // since it is not supported in Trident. We also test for
+ // KeyboardEvent#keyCode because the handleShortcut handler is
+ // also registered for the keydown event, because Blink doesn't fire
+ // keypress on hitting the Escape key.
+ //
+ // So I guess you could say things are getting pretty interoperable.
+ function getVirtualKey(ev) {
+ if ("key" in ev && typeof ev.key != "undefined") {
+ return ev.key;
+ }
+
+ var c = ev.charCode || ev.keyCode;
+ if (c == 27) {
+ return "Escape";
+ }
+ return String.fromCharCode(c);
+ }
+
+ function displayHelp(display, ev, help) {
+ 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, help) {
+ hideModal();
+ var search = document.getElementById("search");
+ if (hasClass(help, "hidden") === false) {
+ displayHelp(false, ev, help);
+ } else if (hasClass(search, "hidden") === false) {
+ ev.preventDefault();
+ addClass(search, "hidden");
+ removeClass(main, "hidden");
+ document.title = titleBeforeSearch;
+ }
+ defocusSearchBar();
+ }
+
+ function handleShortcut(ev) {
+ // Don't interfere with browser shortcuts
+ if (ev.ctrlKey || ev.altKey || ev.metaKey) {
+ return;
+ }
+
+ var help = document.getElementById("help");
+ if (document.activeElement.tagName === "INPUT") {
+ switch (getVirtualKey(ev)) {
+ case "Escape":
+ handleEscape(ev, help);
+ break;
+ }
+ } else {
+ switch (getVirtualKey(ev)) {
+ case "Escape":
+ handleEscape(ev, help);
+ break;
+
+ case "s":
+ case "S":
+ displayHelp(false, ev, help);
+ hideModal();
+ ev.preventDefault();
+ focusSearchBar();
+ break;
+
+ case "+":
+ case "-":
+ ev.preventDefault();
+ toggleAllDocs();
+ break;
+
+ case "?":
+ if (ev.shiftKey) {
+ hideModal();
+ displayHelp(true, ev, help);
+ }
+ break;
+ }
+ }
+ }
+
+ function findParentElement(elem, tagName) {
+ do {
+ if (elem && elem.tagName === tagName) {
+ return elem;
+ }
+ elem = elem.parentNode;
+ } while (elem);
+ return null;
+ }
+
+ document.onkeypress = handleShortcut;
+ document.onkeydown = handleShortcut;
+ document.onclick = function(ev) {
+ if (hasClass(ev.target, "collapse-toggle")) {
+ collapseDocs(ev.target, "toggle");
+ } else if (hasClass(ev.target.parentNode, "collapse-toggle")) {
+ collapseDocs(ev.target.parentNode, "toggle");
+ } else if (ev.target.tagName === "SPAN" && hasClass(ev.target.parentNode, "line-numbers")) {
+ var prev_id = 0;
+
+ var set_fragment = function(name) {
+ if (browserSupportsHistoryApi()) {
+ history.replaceState(null, null, "#" + name);
+ window.hashchange();
+ } else {
+ location.replace("#" + name);
+ }
+ };
+
+ var cur_id = parseInt(ev.target.id, 10);
+
+ if (ev.shiftKey && prev_id) {
+ if (prev_id > cur_id) {
+ var tmp = prev_id;
+ prev_id = cur_id;
+ cur_id = tmp;
+ }
+
+ set_fragment(prev_id + "-" + cur_id);
+ } else {
+ prev_id = cur_id;
+
+ set_fragment(cur_id);
+ }
+ } else if (hasClass(document.getElementById("help"), "hidden") === false) {
+ addClass(document.getElementById("help"), "hidden");
+ removeClass(document.body, "blur");
+ } else {
+ // Making a collapsed element visible on onhashchange seems
+ // too late
+ var a = findParentElement(ev.target, "A");
+ if (a && a.hash) {
+ expandSection(a.hash.replace(/^#/, ""));
+ }
+ }
+ };
+
+ var x = document.getElementsByClassName("version-selector");
+ if (x.length > 0) {
+ x[0].onchange = function() {
+ var i, match,
+ url = document.location.href,
+ stripped = "",
+ len = rootPath.match(/\.\.\//g).length + 1;
+
+ for (i = 0; i < len; ++i) {
+ match = url.match(/\/[^\/]*$/);
+ if (i < len - 1) {
+ stripped = match[0] + stripped;
+ }
+ url = url.substring(0, url.length - match[0].length);
+ }
+
+ url += "/" + document.getElementsByClassName("version-selector")[0].value + stripped;
+
+ document.location.href = url;
+ };
+ }
+
+ /**
+ * A function to compute the Levenshtein distance between two strings
+ * Licensed under the Creative Commons Attribution-ShareAlike 3.0 Unported
+ * Full License can be found at http://creativecommons.org/licenses/by-sa/3.0/legalcode
+ * This code is an unmodified version of the code written by Marco de Wit
+ * and was found at http://stackoverflow.com/a/18514751/745719
+ */
+ var levenshtein_row2 = [];
+ function levenshtein(s1, s2) {
+ if (s1 === s2) {
+ return 0;
+ }
+ var s1_len = s1.length, s2_len = s2.length;
+ if (s1_len && s2_len) {
+ var i1 = 0, i2 = 0, a, b, c, c2, row = levenshtein_row2;
+ while (i1 < s1_len) {
+ row[i1] = ++i1;
+ }
+ while (i2 < s2_len) {
+ c2 = s2.charCodeAt(i2);
+ a = i2;
+ ++i2;
+ b = i2;
+ for (i1 = 0; i1 < s1_len; ++i1) {
+ c = a + (s1.charCodeAt(i1) !== c2 ? 1 : 0);
+ a = row[i1];
+ b = b < a ? (b < c ? b + 1 : c) : (a < c ? a + 1 : c);
+ row[i1] = b;
+ }
+ }
+ return b;
+ }
+ return s1_len + s2_len;
+ }
+
+ function initSearch(rawSearchIndex) {
+ var currentResults, index, searchIndex;
+ var MAX_LEV_DISTANCE = 3;
+ var MAX_RESULTS = 200;
+ var GENERICS_DATA = 1;
+ var NAME = 0;
+ var INPUTS_DATA = 0;
+ var OUTPUT_DATA = 1;
+ var params = getQueryStringParams();
+
+ // Populate search bar with query string search term when provided,
+ // but only if the input bar is empty. This avoid the obnoxious issue
+ // where you start trying to do a search, and the index loads, and
+ // suddenly your search is gone!
+ if (search_input.value === "") {
+ search_input.value = params.search || "";
+ }
+
+ /**
+ * Executes the query and builds an index of results
+ * @param {[Object]} query [The user query]
+ * @param {[type]} searchWords [The list of search words to query
+ * against]
+ * @param {[type]} filterCrates [Crate to search in if defined]
+ * @return {[type]} [A search index of results]
+ */
+ function execQuery(query, searchWords, filterCrates) {
+ function itemTypeFromName(typename) {
+ var length = itemTypes.length;
+ for (var i = 0; i < length; ++i) {
+ if (itemTypes[i] === typename) {
+ return i;
+ }
+ }
+ return -1;
+ }
+
+ var valLower = query.query.toLowerCase(),
+ val = valLower,
+ typeFilter = itemTypeFromName(query.type),
+ results = {}, results_in_args = {}, results_returned = {},
+ split = valLower.split("::");
+
+ var length = split.length;
+ for (var z = 0; z < length; ++z) {
+ if (split[z] === "") {
+ split.splice(z, 1);
+ z -= 1;
+ }
+ }
+
+ function transformResults(results, isType) {
+ var out = [];
+ var length = results.length;
+ for (var i = 0; i < length; ++i) {
+ if (results[i].id > -1) {
+ var obj = searchIndex[results[i].id];
+ obj.lev = results[i].lev;
+ if (isType !== true || obj.type) {
+ var res = buildHrefAndPath(obj);
+ obj.displayPath = pathSplitter(res[0]);
+ obj.fullPath = obj.displayPath + obj.name;
+ // To be sure than it some items aren't considered as duplicate.
+ obj.fullPath += "|" + obj.ty;
+ obj.href = res[1];
+ out.push(obj);
+ if (out.length >= MAX_RESULTS) {
+ break;
+ }
+ }
+ }
+ }
+ return out;
+ }
+
+ function sortResults(results, isType) {
+ var ar = [];
+ for (var entry in results) {
+ if (results.hasOwnProperty(entry)) {
+ ar.push(results[entry]);
+ }
+ }
+ results = ar;
+ var i;
+ var nresults = results.length;
+ for (i = 0; i < nresults; ++i) {
+ results[i].word = searchWords[results[i].id];
+ results[i].item = searchIndex[results[i].id] || {};
+ }
+ // if there are no results then return to default and fail
+ if (results.length === 0) {
+ return [];
+ }
+
+ results.sort(function(aaa, bbb) {
+ var a, b;
+
+ // Sort by non levenshtein results and then levenshtein results by the distance
+ // (less changes required to match means higher rankings)
+ a = (aaa.lev);
+ b = (bbb.lev);
+ if (a !== b) { return a - b; }
+
+ // sort by crate (non-current crate goes later)
+ a = (aaa.item.crate !== window.currentCrate);
+ b = (bbb.item.crate !== window.currentCrate);
+ if (a !== b) { return a - b; }
+
+ // sort by exact match (mismatch goes later)
+ a = (aaa.word !== valLower);
+ b = (bbb.word !== valLower);
+ if (a !== b) { return a - b; }
+
+ // sort by item name length (longer goes later)
+ a = aaa.word.length;
+ b = bbb.word.length;
+ if (a !== b) { return a - b; }
+
+ // sort by item name (lexicographically larger goes later)
+ a = aaa.word;
+ b = bbb.word;
+ if (a !== b) { return (a > b ? +1 : -1); }
+
+ // sort by index of keyword in item name (no literal occurrence goes later)
+ a = (aaa.index < 0);
+ b = (bbb.index < 0);
+ if (a !== b) { return a - b; }
+ // (later literal occurrence, if any, goes later)
+ a = aaa.index;
+ b = bbb.index;
+ if (a !== b) { return a - b; }
+
+ // special precedence for primitive and keyword pages
+ if ((aaa.item.ty === TY_PRIMITIVE && bbb.item.ty !== TY_KEYWORD) ||
+ (aaa.item.ty === TY_KEYWORD && bbb.item.ty !== TY_PRIMITIVE)) {
+ return -1;
+ }
+ if ((bbb.item.ty === TY_PRIMITIVE && aaa.item.ty !== TY_PRIMITIVE) ||
+ (bbb.item.ty === TY_KEYWORD && aaa.item.ty !== TY_KEYWORD)) {
+ return 1;
+ }
+
+ // sort by description (no description goes later)
+ a = (aaa.item.desc === "");
+ b = (bbb.item.desc === "");
+ if (a !== b) { return a - b; }
+
+ // sort by type (later occurrence in `itemTypes` goes later)
+ a = aaa.item.ty;
+ b = bbb.item.ty;
+ if (a !== b) { return a - b; }
+
+ // sort by path (lexicographically larger goes later)
+ a = aaa.item.path;
+ b = bbb.item.path;
+ if (a !== b) { return (a > b ? +1 : -1); }
+
+ // que sera, sera
+ return 0;
+ });
+
+ var length = results.length;
+ for (i = 0; i < length; ++i) {
+ var result = results[i];
+
+ // this validation does not make sense when searching by types
+ if (result.dontValidate) {
+ continue;
+ }
+ var name = result.item.name.toLowerCase(),
+ path = result.item.path.toLowerCase(),
+ parent = result.item.parent;
+
+ if (isType !== true &&
+ validateResult(name, path, split, parent) === false)
+ {
+ result.id = -1;
+ }
+ }
+ return transformResults(results);
+ }
+
+ function extractGenerics(val) {
+ val = val.toLowerCase();
+ if (val.indexOf("<") !== -1) {
+ var values = val.substring(val.indexOf("<") + 1, val.lastIndexOf(">"));
+ return {
+ name: val.substring(0, val.indexOf("<")),
+ generics: values.split(/\s*,\s*/),
+ };
+ }
+ return {
+ name: val,
+ generics: [],
+ };
+ }
+
+ function checkGenerics(obj, val) {
+ // The names match, but we need to be sure that all generics kinda
+ // match as well.
+ var lev_distance = MAX_LEV_DISTANCE + 1;
+ if (val.generics.length > 0) {
+ if (obj.length > GENERICS_DATA &&
+ obj[GENERICS_DATA].length >= val.generics.length) {
+ var elems = obj[GENERICS_DATA].slice(0);
+ var total = 0;
+ var done = 0;
+ // We need to find the type that matches the most to remove it in order
+ // to move forward.
+ var vlength = val.generics.length;
+ for (var y = 0; y < vlength; ++y) {
+ var lev = { pos: -1, lev: MAX_LEV_DISTANCE + 1};
+ var elength = elems.length;
+ for (var x = 0; x < elength; ++x) {
+ var tmp_lev = levenshtein(elems[x], val.generics[y]);
+ if (tmp_lev < lev.lev) {
+ lev.lev = tmp_lev;
+ lev.pos = x;
+ }
+ }
+ if (lev.pos !== -1) {
+ elems.splice(lev.pos, 1);
+ lev_distance = Math.min(lev.lev, lev_distance);
+ total += lev.lev;
+ done += 1;
+ } else {
+ return MAX_LEV_DISTANCE + 1;
+ }
+ }
+ return Math.ceil(total / done);
+ }
+ }
+ return MAX_LEV_DISTANCE + 1;
+ }
+
+ // Check for type name and type generics (if any).
+ function checkType(obj, val, literalSearch) {
+ var lev_distance = MAX_LEV_DISTANCE + 1;
+ var x;
+ if (obj[NAME] === val.name) {
+ if (literalSearch === true) {
+ if (val.generics && val.generics.length !== 0) {
+ if (obj.length > GENERICS_DATA &&
+ obj[GENERICS_DATA].length >= val.generics.length) {
+ var elems = obj[GENERICS_DATA].slice(0);
+ var allFound = true;
+
+ for (var y = 0; allFound === true && y < val.generics.length; ++y) {
+ allFound = false;
+ for (x = 0; allFound === false && x < elems.length; ++x) {
+ allFound = elems[x] === val.generics[y];
+ }
+ if (allFound === true) {
+ elems.splice(x - 1, 1);
+ }
+ }
+ if (allFound === true) {
+ return true;
+ }
+ } else {
+ return false;
+ }
+ }
+ return true;
+ }
+ // If the type has generics but don't match, then it won't return at this point.
+ // Otherwise, `checkGenerics` will return 0 and it'll return.
+ if (obj.length > GENERICS_DATA && obj[GENERICS_DATA].length !== 0) {
+ var tmp_lev = checkGenerics(obj, val);
+ if (tmp_lev <= MAX_LEV_DISTANCE) {
+ return tmp_lev;
+ }
+ } else {
+ return 0;
+ }
+ }
+ // Names didn't match so let's check if one of the generic types could.
+ if (literalSearch === true) {
+ if (obj.length > GENERICS_DATA && obj[GENERICS_DATA].length > 0) {
+ var length = obj[GENERICS_DATA].length;
+ for (x = 0; x < length; ++x) {
+ if (obj[GENERICS_DATA][x] === val.name) {
+ return true;
+ }
+ }
+ }
+ return false;
+ }
+ lev_distance = Math.min(levenshtein(obj[NAME], val.name), lev_distance);
+ if (lev_distance <= MAX_LEV_DISTANCE) {
+ // The generics didn't match but the name kinda did so we give it
+ // a levenshtein distance value that isn't *this* good so it goes
+ // into the search results but not too high.
+ lev_distance = Math.ceil((checkGenerics(obj, val) + lev_distance) / 2);
+ } else if (obj.length > GENERICS_DATA && obj[GENERICS_DATA].length > 0) {
+ // We can check if the type we're looking for is inside the generics!
+ var olength = obj[GENERICS_DATA].length;
+ for (x = 0; x < olength; ++x) {
+ lev_distance = Math.min(levenshtein(obj[GENERICS_DATA][x], val.name),
+ lev_distance);
+ }
+ }
+ // Now whatever happens, the returned distance is "less good" so we should mark it
+ // as such, and so we add 1 to the distance to make it "less good".
+ return lev_distance + 1;
+ }
+
+ function findArg(obj, val, literalSearch) {
+ var lev_distance = MAX_LEV_DISTANCE + 1;
+
+ if (obj && obj.type && obj.type[INPUTS_DATA] &&
+ obj.type[INPUTS_DATA].length > 0) {
+ var length = obj.type[INPUTS_DATA].length;
+ for (var i = 0; i < length; i++) {
+ var tmp = checkType(obj.type[INPUTS_DATA][i], val, literalSearch);
+ if (literalSearch === true && tmp === true) {
+ return true;
+ }
+ lev_distance = Math.min(tmp, lev_distance);
+ if (lev_distance === 0) {
+ return 0;
+ }
+ }
+ }
+ return literalSearch === true ? false : lev_distance;
+ }
+
+ function checkReturned(obj, val, literalSearch) {
+ var lev_distance = MAX_LEV_DISTANCE + 1;
+
+ if (obj && obj.type && obj.type.length > OUTPUT_DATA) {
+ var ret = obj.type[OUTPUT_DATA];
+ if (!obj.type[OUTPUT_DATA].length) {
+ ret = [ret];
+ }
+ for (var x = 0; x < ret.length; ++x) {
+ var r = ret[x];
+ if (typeof r === "string") {
+ r = [r];
+ }
+ var tmp = checkType(r, val, literalSearch);
+ if (literalSearch === true) {
+ if (tmp === true) {
+ return true;
+ }
+ continue;
+ }
+ lev_distance = Math.min(tmp, lev_distance);
+ if (lev_distance === 0) {
+ return 0;
+ }
+ }
+ }
+ return literalSearch === true ? false : lev_distance;
+ }
+
+ function checkPath(contains, lastElem, ty) {
+ if (contains.length === 0) {
+ return 0;
+ }
+ var ret_lev = MAX_LEV_DISTANCE + 1;
+ var path = ty.path.split("::");
+
+ if (ty.parent && ty.parent.name) {
+ path.push(ty.parent.name.toLowerCase());
+ }
+
+ var length = path.length;
+ var clength = contains.length;
+ if (clength > length) {
+ return MAX_LEV_DISTANCE + 1;
+ }
+ for (var i = 0; i < length; ++i) {
+ if (i + clength > length) {
+ break;
+ }
+ var lev_total = 0;
+ var aborted = false;
+ for (var x = 0; x < clength; ++x) {
+ var lev = levenshtein(path[i + x], contains[x]);
+ if (lev > MAX_LEV_DISTANCE) {
+ aborted = true;
+ break;
+ }
+ lev_total += lev;
+ }
+ if (aborted === false) {
+ ret_lev = Math.min(ret_lev, Math.round(lev_total / clength));
+ }
+ }
+ return ret_lev;
+ }
+
+ function typePassesFilter(filter, type) {
+ // No filter
+ if (filter < 0) return true;
+
+ // Exact match
+ if (filter === type) return true;
+
+ // Match related items
+ var name = itemTypes[type];
+ switch (itemTypes[filter]) {
+ case "constant":
+ return (name == "associatedconstant");
+ case "fn":
+ return (name == "method" || name == "tymethod");
+ case "type":
+ return (name == "primitive" || name == "keyword");
+ }
+
+ // No match
+ return false;
+ }
+
+ function generateId(ty) {
+ if (ty.parent && ty.parent.name) {
+ return itemTypes[ty.ty] + ty.path + ty.parent.name + ty.name;
+ }
+ return itemTypes[ty.ty] + ty.path + ty.name;
+ }
+
+ // quoted values mean literal search
+ var nSearchWords = searchWords.length;
+ var i;
+ var ty;
+ var fullId;
+ var returned;
+ var in_args;
+ if ((val.charAt(0) === "\"" || val.charAt(0) === "'") &&
+ val.charAt(val.length - 1) === val.charAt(0))
+ {
+ val = extractGenerics(val.substr(1, val.length - 2));
+ for (i = 0; i < nSearchWords; ++i) {
+ if (filterCrates !== undefined && searchIndex[i].crate !== filterCrates) {
+ continue;
+ }
+ in_args = findArg(searchIndex[i], val, true);
+ returned = checkReturned(searchIndex[i], val, true);
+ ty = searchIndex[i];
+ fullId = generateId(ty);
+
+ if (searchWords[i] === val.name) {
+ // filter type: ... queries
+ if (typePassesFilter(typeFilter, searchIndex[i].ty) &&
+ results[fullId] === undefined)
+ {
+ results[fullId] = {id: i, index: -1};
+ }
+ } else if ((in_args === true || returned === true) &&
+ typePassesFilter(typeFilter, searchIndex[i].ty)) {
+ if (in_args === true || returned === true) {
+ if (in_args === true) {
+ results_in_args[fullId] = {
+ id: i,
+ index: -1,
+ dontValidate: true,
+ };
+ }
+ if (returned === true) {
+ results_returned[fullId] = {
+ id: i,
+ index: -1,
+ dontValidate: true,
+ };
+ }
+ } else {
+ results[fullId] = {
+ id: i,
+ index: -1,
+ dontValidate: true,
+ };
+ }
+ }
+ }
+ query.inputs = [val];
+ query.output = val;
+ query.search = val;
+ // searching by type
+ } else if (val.search("->") > -1) {
+ var trimmer = function(s) { return s.trim(); };
+ var parts = val.split("->").map(trimmer);
+ var input = parts[0];
+ // sort inputs so that order does not matter
+ var inputs = input.split(",").map(trimmer).sort();
+ for (i = 0; i < inputs.length; ++i) {
+ inputs[i] = extractGenerics(inputs[i]);
+ }
+ var output = extractGenerics(parts[1]);
+
+ for (i = 0; i < nSearchWords; ++i) {
+ if (filterCrates !== undefined && searchIndex[i].crate !== filterCrates) {
+ continue;
+ }
+ var type = searchIndex[i].type;
+ ty = searchIndex[i];
+ if (!type) {
+ continue;
+ }
+ fullId = generateId(ty);
+
+ // allow searching for void (no output) functions as well
+ var typeOutput = type.length > OUTPUT_DATA ? type[OUTPUT_DATA].name : "";
+ returned = checkReturned(ty, output, true);
+ if (output.name === "*" || returned === true) {
+ in_args = false;
+ var is_module = false;
+
+ if (input === "*") {
+ is_module = true;
+ } else {
+ var allFound = true;
+ for (var it = 0; allFound === true && it < inputs.length; it++) {
+ allFound = checkType(type, inputs[it], true);
+ }
+ in_args = allFound;
+ }
+ if (in_args === true) {
+ results_in_args[fullId] = {
+ id: i,
+ index: -1,
+ dontValidate: true,
+ };
+ }
+ if (returned === true) {
+ results_returned[fullId] = {
+ id: i,
+ index: -1,
+ dontValidate: true,
+ };
+ }
+ if (is_module === true) {
+ results[fullId] = {
+ id: i,
+ index: -1,
+ dontValidate: true,
+ };
+ }
+ }
+ }
+ query.inputs = inputs.map(function(input) {
+ return input.name;
+ });
+ query.output = output.name;
+ } else {
+ query.inputs = [val];
+ query.output = val;
+ query.search = val;
+ // gather matching search results up to a certain maximum
+ val = val.replace(/\_/g, "");
+
+ var valGenerics = extractGenerics(val);
+
+ var paths = valLower.split("::");
+ var j;
+ for (j = 0; j < paths.length; ++j) {
+ if (paths[j] === "") {
+ paths.splice(j, 1);
+ j -= 1;
+ }
+ }
+ val = paths[paths.length - 1];
+ var contains = paths.slice(0, paths.length > 1 ? paths.length - 1 : 1);
+
+ for (j = 0; j < nSearchWords; ++j) {
+ var lev;
+ var lev_distance;
+ ty = searchIndex[j];
+ if (!ty || (filterCrates !== undefined && ty.crate !== filterCrates)) {
+ continue;
+ }
+ var lev_distance;
+ var lev_add = 0;
+ if (paths.length > 1) {
+ lev = checkPath(contains, paths[paths.length - 1], ty);
+ if (lev > MAX_LEV_DISTANCE) {
+ continue;
+ } else if (lev > 0) {
+ lev_add = 1;
+ }
+ }
+
+ returned = MAX_LEV_DISTANCE + 1;
+ in_args = MAX_LEV_DISTANCE + 1;
+ var index = -1;
+ // we want lev results to go lower than others
+ lev = MAX_LEV_DISTANCE + 1;
+ fullId = generateId(ty);
+
+ if (searchWords[j].indexOf(split[i]) > -1 ||
+ searchWords[j].indexOf(val) > -1 ||
+ searchWords[j].replace(/_/g, "").indexOf(val) > -1)
+ {
+ // filter type: ... queries
+ if (typePassesFilter(typeFilter, ty.ty) && results[fullId] === undefined) {
+ index = searchWords[j].replace(/_/g, "").indexOf(val);
+ }
+ }
+ if ((lev = levenshtein(searchWords[j], val)) <= MAX_LEV_DISTANCE) {
+ if (typePassesFilter(typeFilter, ty.ty) === false) {
+ lev = MAX_LEV_DISTANCE + 1;
+ } else {
+ lev += 1;
+ }
+ }
+ if ((in_args = findArg(ty, valGenerics)) <= MAX_LEV_DISTANCE) {
+ if (typePassesFilter(typeFilter, ty.ty) === false) {
+ in_args = MAX_LEV_DISTANCE + 1;
+ }
+ }
+ if ((returned = checkReturned(ty, valGenerics)) <= MAX_LEV_DISTANCE) {
+ if (typePassesFilter(typeFilter, ty.ty) === false) {
+ returned = MAX_LEV_DISTANCE + 1;
+ }
+ }
+
+ lev += lev_add;
+ if (lev > 0 && val.length > 3 && searchWords[j].indexOf(val) > -1) {
+ if (val.length < 6) {
+ lev -= 1;
+ } else {
+ lev = 0;
+ }
+ }
+ if (in_args <= MAX_LEV_DISTANCE) {
+ if (results_in_args[fullId] === undefined) {
+ results_in_args[fullId] = {
+ id: j,
+ index: index,
+ lev: in_args,
+ };
+ }
+ results_in_args[fullId].lev =
+ Math.min(results_in_args[fullId].lev, in_args);
+ }
+ if (returned <= MAX_LEV_DISTANCE) {
+ if (results_returned[fullId] === undefined) {
+ results_returned[fullId] = {
+ id: j,
+ index: index,
+ lev: returned,
+ };
+ }
+ results_returned[fullId].lev =
+ Math.min(results_returned[fullId].lev, returned);
+ }
+ if (index !== -1 || lev <= MAX_LEV_DISTANCE) {
+ if (index !== -1 && paths.length < 2) {
+ lev = 0;
+ } else if (searchWords[j] === val) {
+ // Small trick to fix when you're looking for a one letter type
+ // and there are other short named types.
+ lev = -1;
+ }
+ if (results[fullId] === undefined) {
+ results[fullId] = {
+ id: j,
+ index: index,
+ lev: lev,
+ };
+ }
+ results[fullId].lev = Math.min(results[fullId].lev, lev);
+ }
+ }
+ }
+
+ var ret = {
+ "in_args": sortResults(results_in_args, true),
+ "returned": sortResults(results_returned, true),
+ "others": sortResults(results),
+ };
+ if (ALIASES && ALIASES[window.currentCrate] &&
+ ALIASES[window.currentCrate][query.raw]) {
+ var aliases = ALIASES[window.currentCrate][query.raw];
+ for (i = 0; i < aliases.length; ++i) {
+ aliases[i].is_alias = true;
+ aliases[i].alias = query.raw;
+ aliases[i].path = aliases[i].p;
+ var res = buildHrefAndPath(aliases[i]);
+ aliases[i].displayPath = pathSplitter(res[0]);
+ aliases[i].fullPath = aliases[i].displayPath + aliases[i].name;
+ aliases[i].href = res[1];
+ ret.others.unshift(aliases[i]);
+ if (ret.others.length > MAX_RESULTS) {
+ ret.others.pop();
+ }
+ }
+ }
+ return ret;
+ }
+
+ /**
+ * Validate performs the following boolean logic. For example:
+ * "File::open" will give IF A PARENT EXISTS => ("file" && "open")
+ * exists in (name || path || parent) OR => ("file" && "open") exists in
+ * (name || path )
+ *
+ * This could be written functionally, but I wanted to minimise
+ * functions on stack.
+ *
+ * @param {[string]} name [The name of the result]
+ * @param {[string]} path [The path of the result]
+ * @param {[string]} keys [The keys to be used (["file", "open"])]
+ * @param {[object]} parent [The parent of the result]
+ * @return {[boolean]} [Whether the result is valid or not]
+ */
+ function validateResult(name, path, keys, parent) {
+ for (var i = 0; i < keys.length; ++i) {
+ // each check is for validation so we negate the conditions and invalidate
+ if (!(
+ // check for an exact name match
+ name.indexOf(keys[i]) > -1 ||
+ // then an exact path match
+ path.indexOf(keys[i]) > -1 ||
+ // next if there is a parent, check for exact parent match
+ (parent !== undefined &&
+ parent.name.toLowerCase().indexOf(keys[i]) > -1) ||
+ // lastly check to see if the name was a levenshtein match
+ levenshtein(name, keys[i]) <= MAX_LEV_DISTANCE)) {
+ return false;
+ }
+ }
+ return true;
+ }
+
+ function getQuery(raw) {
+ var matches, type, query;
+ query = raw;
+
+ matches = query.match(/^(fn|mod|struct|enum|trait|type|const|macro)\s*:\s*/i);
+ if (matches) {
+ type = matches[1].replace(/^const$/, "constant");
+ query = query.substring(matches[0].length);
+ }
+
+ return {
+ raw: raw,
+ query: query,
+ type: type,
+ id: query + type
+ };
+ }
+
+ function initSearchNav() {
+ var hoverTimeout;
+
+ var click_func = function(e) {
+ var el = e.target;
+ // to retrieve the real "owner" of the event.
+ while (el.tagName !== "TR") {
+ el = el.parentNode;
+ }
+ var dst = e.target.getElementsByTagName("a");
+ if (dst.length < 1) {
+ return;
+ }
+ dst = dst[0];
+ if (window.location.pathname === dst.pathname) {
+ addClass(document.getElementById("search"), "hidden");
+ removeClass(main, "hidden");
+ document.location.href = dst.href;
+ }
+ };
+ var mouseover_func = function(e) {
+ var el = e.target;
+ // to retrieve the real "owner" of the event.
+ while (el.tagName !== "TR") {
+ el = el.parentNode;
+ }
+ clearTimeout(hoverTimeout);
+ hoverTimeout = setTimeout(function() {
+ onEachLazy(document.getElementsByClassName("search-results"), function(e) {
+ onEachLazy(e.getElementsByClassName("result"), function(i_e) {
+ removeClass(i_e, "highlighted");
+ });
+ });
+ addClass(el, "highlighted");
+ }, 20);
+ };
+ onEachLazy(document.getElementsByClassName("search-results"), function(e) {
+ onEachLazy(e.getElementsByClassName("result"), function(i_e) {
+ i_e.onclick = click_func;
+ i_e.onmouseover = mouseover_func;
+ });
+ });
+
+ search_input.onkeydown = function(e) {
+ // "actives" references the currently highlighted item in each search tab.
+ // Each array in "actives" represents a tab.
+ var actives = [[], [], []];
+ // "current" is used to know which tab we're looking into.
+ var current = 0;
+ onEachLazy(document.getElementById("results").childNodes, function(e) {
+ onEachLazy(e.getElementsByClassName("highlighted"), function(e) {
+ actives[current].push(e);
+ });
+ current += 1;
+ });
+
+ if (e.which === 38) { // up
+ if (!actives[currentTab].length ||
+ !actives[currentTab][0].previousElementSibling) {
+ return;
+ }
+
+ addClass(actives[currentTab][0].previousElementSibling, "highlighted");
+ removeClass(actives[currentTab][0], "highlighted");
+ } else if (e.which === 40) { // down
+ if (!actives[currentTab].length) {
+ var results = document.getElementById("results").childNodes;
+ if (results.length > 0) {
+ var res = results[currentTab].getElementsByClassName("result");
+ if (res.length > 0) {
+ addClass(res[0], "highlighted");
+ }
+ }
+ } else if (actives[currentTab][0].nextElementSibling) {
+ addClass(actives[currentTab][0].nextElementSibling, "highlighted");
+ removeClass(actives[currentTab][0], "highlighted");
+ }
+ } else if (e.which === 13) { // return
+ if (actives[currentTab].length) {
+ document.location.href =
+ actives[currentTab][0].getElementsByTagName("a")[0].href;
+ }
+ } else if (e.which === 9) { // tab
+ if (e.shiftKey) {
+ printTab(currentTab > 0 ? currentTab - 1 : 2);
+ } else {
+ printTab(currentTab > 1 ? 0 : currentTab + 1);
+ }
+ e.preventDefault();
+ } else if (e.which === 16) { // shift
+ // Does nothing, it's just to avoid losing "focus" on the highlighted element.
+ } else if (e.which === 27) { // escape
+ removeClass(actives[currentTab][0], "highlighted");
+ search_input.value = "";
+ defocusSearchBar();
+ } else if (actives[currentTab].length > 0) {
+ removeClass(actives[currentTab][0], "highlighted");
+ }
+ };
+ }
+
+ function buildHrefAndPath(item) {
+ var displayPath;
+ var href;
+ var type = itemTypes[item.ty];
+ var name = item.name;
+
+ if (type === "mod") {
+ displayPath = item.path + "::";
+ href = rootPath + item.path.replace(/::/g, "/") + "/" +
+ name + "/index.html";
+ } else if (type === "primitive" || type === "keyword") {
+ displayPath = "";
+ href = rootPath + item.path.replace(/::/g, "/") +
+ "/" + type + "." + name + ".html";
+ } else if (type === "externcrate") {
+ displayPath = "";
+ href = rootPath + name + "/index.html";
+ } else if (item.parent !== undefined) {
+ var myparent = item.parent;
+ var anchor = "#" + type + "." + name;
+ var parentType = itemTypes[myparent.ty];
+ if (parentType === "primitive") {
+ displayPath = myparent.name + "::";
+ } else {
+ displayPath = item.path + "::" + myparent.name + "::";
+ }
+ href = rootPath + item.path.replace(/::/g, "/") +
+ "/" + parentType +
+ "." + myparent.name +
+ ".html" + anchor;
+ } else {
+ displayPath = item.path + "::";
+ href = rootPath + item.path.replace(/::/g, "/") +
+ "/" + type + "." + name + ".html";
+ }
+ return [displayPath, href];
+ }
+
+ function escape(content) {
+ var h1 = document.createElement("h1");
+ h1.textContent = content;
+ return h1.innerHTML;
+ }
+
+ function pathSplitter(path) {
+ var tmp = "<span>" + path.replace(/::/g, "::</span><span>");
+ if (tmp.endsWith("<span>")) {
+ return tmp.slice(0, tmp.length - 6);
+ }
+ return tmp;
+ }
+
+ function addTab(array, query, display) {
+ var extraStyle = "";
+ if (display === false) {
+ extraStyle = " style=\"display: none;\"";
+ }
+
+ var output = "";
+ var duplicates = {};
+ var length = 0;
+ if (array.length > 0) {
+ output = "<table class=\"search-results\"" + extraStyle + ">";
+
+ array.forEach(function(item) {
+ var name, type;
+
+ name = item.name;
+ type = itemTypes[item.ty];
+
+ if (item.is_alias !== true) {
+ if (duplicates[item.fullPath]) {
+ return;
+ }
+ duplicates[item.fullPath] = true;
+ }
+ length += 1;
+
+ output += "<tr class=\"" + type + " result\"><td>" +
+ "<a href=\"" + item.href + "\">" +
+ (item.is_alias === true ?
+ ("<span class=\"alias\"><b>" + item.alias + " </b></span><span " +
+ "class=\"grey\"><i>&nbsp;- see&nbsp;</i></span>") : "") +
+ item.displayPath + "<span class=\"" + type + "\">" +
+ name + "</span></a></td><td>" +
+ "<a href=\"" + item.href + "\">" +
+ "<span class=\"desc\">" + escape(item.desc) +
+ "&nbsp;</span></a></td></tr>";
+ });
+ output += "</table>";
+ } else {
+ output = "<div class=\"search-failed\"" + extraStyle + ">No results :(<br/>" +
+ "Try on <a href=\"https://duckduckgo.com/?q=" +
+ encodeURIComponent("rust " + query.query) +
+ "\">DuckDuckGo</a>?<br/><br/>" +
+ "Or try looking in one of these:<ul><li>The <a " +
+ "href=\"https://doc.rust-lang.org/reference/index.html\">Rust Reference</a> " +
+ " for technical details about the language.</li><li><a " +
+ "href=\"https://doc.rust-lang.org/rust-by-example/index.html\">Rust By " +
+ "Example</a> for expository code examples.</a></li><li>The <a " +
+ "href=\"https://doc.rust-lang.org/book/index.html\">Rust Book</a> for " +
+ "introductions to language features and the language itself.</li><li><a " +
+ "href=\"https://docs.rs\">Docs.rs</a> for documentation of crates released on" +
+ " <a href=\"https://crates.io/\">crates.io</a>.</li></ul></div>";
+ }
+ return [output, length];
+ }
+
+ function makeTabHeader(tabNb, text, nbElems) {
+ if (currentTab === tabNb) {
+ return "<div class=\"selected\">" + text +
+ " <div class=\"count\">(" + nbElems + ")</div></div>";
+ }
+ return "<div>" + text + " <div class=\"count\">(" + nbElems + ")</div></div>";
+ }
+
+ function showResults(results) {
+ if (results.others.length === 1 &&
+ getCurrentValue("rustdoc-go-to-only-result") === "true") {
+ var elem = document.createElement("a");
+ elem.href = results.others[0].href;
+ elem.style.display = "none";
+ // For firefox, we need the element to be in the DOM so it can be clicked.
+ document.body.appendChild(elem);
+ elem.click();
+ }
+ var query = getQuery(search_input.value);
+
+ currentResults = query.id;
+
+ var ret_others = addTab(results.others, query);
+ var ret_in_args = addTab(results.in_args, query, false);
+ var ret_returned = addTab(results.returned, query, false);
+
+ var output = "<h1>Results for " + escape(query.query) +
+ (query.type ? " (type: " + escape(query.type) + ")" : "") + "</h1>" +
+ "<div id=\"titles\">" +
+ makeTabHeader(0, "In Names", ret_others[1]) +
+ makeTabHeader(1, "In Parameters", ret_in_args[1]) +
+ makeTabHeader(2, "In Return Types", ret_returned[1]) +
+ "</div><div id=\"results\">" +
+ ret_others[0] + ret_in_args[0] + ret_returned[0] + "</div>";
+
+ addClass(main, "hidden");
+ var search = document.getElementById("search");
+ removeClass(search, "hidden");
+ search.innerHTML = output;
+ var tds = search.getElementsByTagName("td");
+ var td_width = 0;
+ if (tds.length > 0) {
+ td_width = tds[0].offsetWidth;
+ }
+ var width = search.offsetWidth - 40 - td_width;
+ onEachLazy(search.getElementsByClassName("desc"), function(e) {
+ e.style.width = width + "px";
+ });
+ initSearchNav();
+ var elems = document.getElementById("titles").childNodes;
+ elems[0].onclick = function() { printTab(0); };
+ elems[1].onclick = function() { printTab(1); };
+ elems[2].onclick = function() { printTab(2); };
+ printTab(currentTab);
+ }
+
+ function execSearch(query, searchWords, filterCrates) {
+ function getSmallest(arrays, positions, notDuplicates) {
+ var start = null;
+
+ for (var it = 0; it < positions.length; ++it) {
+ if (arrays[it].length > positions[it] &&
+ (start === null || start > arrays[it][positions[it]].lev) &&
+ !notDuplicates[arrays[it][positions[it]].fullPath]) {
+ start = arrays[it][positions[it]].lev;
+ }
+ }
+ return start;
+ }
+
+ function mergeArrays(arrays) {
+ var ret = [];
+ var positions = [];
+ var notDuplicates = {};
+
+ for (var x = 0; x < arrays.length; ++x) {
+ positions.push(0);
+ }
+ while (ret.length < MAX_RESULTS) {
+ var smallest = getSmallest(arrays, positions, notDuplicates);
+
+ if (smallest === null) {
+ break;
+ }
+ for (x = 0; x < arrays.length && ret.length < MAX_RESULTS; ++x) {
+ if (arrays[x].length > positions[x] &&
+ arrays[x][positions[x]].lev === smallest &&
+ !notDuplicates[arrays[x][positions[x]].fullPath]) {
+ ret.push(arrays[x][positions[x]]);
+ notDuplicates[arrays[x][positions[x]].fullPath] = true;
+ positions[x] += 1;
+ }
+ }
+ }
+ return ret;
+ }
+
+ var queries = query.raw.split(",");
+ var results = {
+ "in_args": [],
+ "returned": [],
+ "others": [],
+ };
+
+ for (var i = 0; i < queries.length; ++i) {
+ query = queries[i].trim();
+ if (query.length !== 0) {
+ var tmp = execQuery(getQuery(query), searchWords, filterCrates);
+
+ results.in_args.push(tmp.in_args);
+ results.returned.push(tmp.returned);
+ results.others.push(tmp.others);
+ }
+ }
+ if (queries.length > 1) {
+ return {
+ "in_args": mergeArrays(results.in_args),
+ "returned": mergeArrays(results.returned),
+ "others": mergeArrays(results.others),
+ };
+ } else {
+ return {
+ "in_args": results.in_args[0],
+ "returned": results.returned[0],
+ "others": results.others[0],
+ };
+ }
+ }
+
+ function getFilterCrates() {
+ var elem = document.getElementById("crate-search");
+
+ if (elem && elem.value !== "All crates" && rawSearchIndex.hasOwnProperty(elem.value)) {
+ return elem.value;
+ }
+ return undefined;
+ }
+
+ function search(e, forced) {
+ var params = getQueryStringParams();
+ var query = getQuery(search_input.value.trim());
+
+ if (e) {
+ e.preventDefault();
+ }
+
+ if (query.query.length === 0) {
+ return;
+ }
+ if (forced !== true && query.id === currentResults) {
+ if (query.query.length > 0) {
+ putBackSearch(search_input);
+ }
+ return;
+ }
+
+ // Update document title to maintain a meaningful browser history
+ document.title = "Results for " + query.query + " - Rust";
+
+ // Because searching is incremental by character, only the most
+ // recent search query is added to the browser history.
+ if (browserSupportsHistoryApi()) {
+ if (!history.state && !params.search) {
+ history.pushState(query, "", "?search=" + encodeURIComponent(query.raw));
+ } else {
+ history.replaceState(query, "", "?search=" + encodeURIComponent(query.raw));
+ }
+ }
+
+ var filterCrates = getFilterCrates();
+ showResults(execSearch(query, index, filterCrates), filterCrates);
+ }
+
+ function buildIndex(rawSearchIndex) {
+ searchIndex = [];
+ var searchWords = [];
+ var i;
+
+ for (var crate in rawSearchIndex) {
+ if (!rawSearchIndex.hasOwnProperty(crate)) { continue; }
+
+ searchWords.push(crate);
+ searchIndex.push({
+ crate: crate,
+ ty: 1, // == ExternCrate
+ name: crate,
+ path: "",
+ desc: rawSearchIndex[crate].doc,
+ type: null,
+ });
+
+ // an array of [(Number) item type,
+ // (String) name,
+ // (String) full path or empty string for previous path,
+ // (String) description,
+ // (Number | null) the parent path index to `paths`]
+ // (Object | null) the type of the function (if any)
+ var items = rawSearchIndex[crate].i;
+ // an array of [(Number) item type,
+ // (String) name]
+ var paths = rawSearchIndex[crate].p;
+
+ // convert `paths` into an object form
+ var len = paths.length;
+ for (i = 0; i < len; ++i) {
+ paths[i] = {ty: paths[i][0], name: paths[i][1]};
+ }
+
+ // convert `items` into an object form, and construct word indices.
+ //
+ // before any analysis is performed lets gather the search terms to
+ // search against apart from the rest of the data. This is a quick
+ // operation that is cached for the life of the page state so that
+ // all other search operations have access to this cached data for
+ // faster analysis operations
+ len = items.length;
+ var lastPath = "";
+ for (i = 0; i < len; ++i) {
+ var rawRow = items[i];
+ var row = {crate: crate, ty: rawRow[0], name: rawRow[1],
+ path: rawRow[2] || lastPath, desc: rawRow[3],
+ parent: paths[rawRow[4]], type: rawRow[5]};
+ searchIndex.push(row);
+ if (typeof row.name === "string") {
+ var word = row.name.toLowerCase();
+ searchWords.push(word);
+ } else {
+ searchWords.push("");
+ }
+ lastPath = row.path;
+ }
+ }
+ return searchWords;
+ }
+
+ function startSearch() {
+ var searchTimeout;
+ var callback = function() {
+ clearTimeout(searchTimeout);
+ if (search_input.value.length === 0) {
+ if (browserSupportsHistoryApi()) {
+ history.replaceState("", window.currentCrate + " - Rust", "?search=");
+ }
+ if (hasClass(main, "content")) {
+ removeClass(main, "hidden");
+ }
+ var search_c = document.getElementById("search");
+ if (hasClass(search_c, "content")) {
+ addClass(search_c, "hidden");
+ }
+ } else {
+ searchTimeout = setTimeout(search, 500);
+ }
+ };
+ search_input.onkeyup = callback;
+ search_input.oninput = callback;
+ document.getElementsByClassName("search-form")[0].onsubmit = function(e) {
+ e.preventDefault();
+ clearTimeout(searchTimeout);
+ search();
+ };
+ search_input.onchange = function(e) {
+ // Do NOT e.preventDefault() here. It will prevent pasting.
+ clearTimeout(searchTimeout);
+ // zero-timeout necessary here because at the time of event handler execution the
+ // pasted content is not in the input field yet. Shouldn’t make any difference for
+ // change, though.
+ setTimeout(search, 0);
+ };
+ search_input.onpaste = search_input.onchange;
+
+ var selectCrate = document.getElementById('crate-search');
+ if (selectCrate) {
+ selectCrate.onchange = function() {
+ search(undefined, true);
+ };
+ }
+
+ // Push and pop states are used to add search results to the browser
+ // history.
+ if (browserSupportsHistoryApi()) {
+ // Store the previous <title> so we can revert back to it later.
+ var previousTitle = document.title;
+
+ window.onpopstate = function(e) {
+ var params = getQueryStringParams();
+ // When browsing back from search results the main page
+ // visibility must be reset.
+ if (!params.search) {
+ if (hasClass(main, "content")) {
+ removeClass(main, "hidden");
+ }
+ var search_c = document.getElementById("search");
+ if (hasClass(search_c, "content")) {
+ addClass(search_c, "hidden");
+ }
+ }
+ // Revert to the previous title manually since the History
+ // API ignores the title parameter.
+ document.title = previousTitle;
+ // When browsing forward to search results the previous
+ // search will be repeated, so the currentResults are
+ // cleared to ensure the search is successful.
+ currentResults = null;
+ // Synchronize search bar with query string state and
+ // perform the search. This will empty the bar if there's
+ // nothing there, which lets you really go back to a
+ // previous state with nothing in the bar.
+ if (params.search) {
+ search_input.value = params.search;
+ } else {
+ search_input.value = "";
+ }
+ // Some browsers fire "onpopstate" for every page load
+ // (Chrome), while others fire the event only when actually
+ // popping a state (Firefox), which is why search() is
+ // called both here and at the end of the startSearch()
+ // function.
+ search();
+ };
+ }
+ search();
+ }
+
+ index = buildIndex(rawSearchIndex);
+ startSearch();
+
+ // Draw a convenient sidebar of known crates if we have a listing
+ if (rootPath === "../" || rootPath === "./") {
+ var sidebar = document.getElementsByClassName("sidebar-elems")[0];
+ if (sidebar) {
+ var div = document.createElement("div");
+ div.className = "block crate";
+ div.innerHTML = "<h3>Crates</h3>";
+ var ul = document.createElement("ul");
+ div.appendChild(ul);
+
+ var crates = [];
+ for (var crate in rawSearchIndex) {
+ if (!rawSearchIndex.hasOwnProperty(crate)) {
+ continue;
+ }
+ crates.push(crate);
+ }
+ crates.sort();
+ for (var i = 0; i < crates.length; ++i) {
+ var klass = "crate";
+ if (rootPath !== "./" && crates[i] === window.currentCrate) {
+ klass += " current";
+ }
+ var link = document.createElement("a");
+ link.href = rootPath + crates[i] + "/index.html";
+ link.title = rawSearchIndex[crates[i]].doc;
+ link.className = klass;
+ link.textContent = crates[i];
+
+ var li = document.createElement("li");
+ li.appendChild(link);
+ ul.appendChild(li);
+ }
+ sidebar.appendChild(div);
+ }
+ }
+ }
+
+ window.initSearch = initSearch;
+
+ // delayed sidebar rendering.
+ function initSidebarItems(items) {
+ var sidebar = document.getElementsByClassName("sidebar-elems")[0];
+ var current = window.sidebarCurrent;
+
+ function block(shortty, longty) {
+ var filtered = items[shortty];
+ if (!filtered) {
+ return;
+ }
+
+ var div = document.createElement("div");
+ div.className = "block " + shortty;
+ var h3 = document.createElement("h3");
+ h3.textContent = longty;
+ div.appendChild(h3);
+ var ul = document.createElement("ul");
+
+ var length = filtered.length;
+ for (var i = 0; i < length; ++i) {
+ var item = filtered[i];
+ var name = item[0];
+ var desc = item[1]; // can be null
+
+ var klass = shortty;
+ if (name === current.name && shortty === current.ty) {
+ klass += " current";
+ }
+ var path;
+ if (shortty === "mod") {
+ path = name + "/index.html";
+ } else {
+ path = shortty + "." + name + ".html";
+ }
+ var link = document.createElement("a");
+ link.href = current.relpath + path;
+ link.title = desc;
+ link.className = klass;
+ link.textContent = name;
+ var li = document.createElement("li");
+ li.appendChild(link);
+ ul.appendChild(li);
+ }
+ div.appendChild(ul);
+ if (sidebar) {
+ sidebar.appendChild(div);
+ }
+ }
+
+ block("primitive", "Primitive Types");
+ block("mod", "Modules");
+ block("macro", "Macros");
+ block("struct", "Structs");
+ block("enum", "Enums");
+ block("union", "Unions");
+ block("constant", "Constants");
+ block("static", "Statics");
+ block("trait", "Traits");
+ block("fn", "Functions");
+ block("type", "Type Definitions");
+ block("foreigntype", "Foreign Types");
+ block("keyword", "Keywords");
+ block("traitalias", "Trait Aliases");
+ }
+
+ window.initSidebarItems = initSidebarItems;
+
+ window.register_implementors = function(imp) {
+ var implementors = document.getElementById("implementors-list");
+ var synthetic_implementors = document.getElementById("synthetic-implementors-list");
+
+ var libs = Object.getOwnPropertyNames(imp);
+ var llength = libs.length;
+ for (var i = 0; i < llength; ++i) {
+ if (libs[i] === currentCrate) { continue; }
+ var structs = imp[libs[i]];
+
+ var slength = structs.length;
+ struct_loop:
+ for (var j = 0; j < slength; ++j) {
+ var struct = structs[j];
+
+ var list = struct.synthetic ? synthetic_implementors : implementors;
+
+ if (struct.synthetic) {
+ var stlength = struct.types.length;
+ for (var k = 0; k < stlength; k++) {
+ if (window.inlined_types.has(struct.types[k])) {
+ continue struct_loop;
+ }
+ window.inlined_types.add(struct.types[k]);
+ }
+ }
+
+ var code = document.createElement("code");
+ code.innerHTML = struct.text;
+
+ var x = code.getElementsByTagName("a");
+ var xlength = x.length;
+ for (var it = 0; it < xlength; it++) {
+ var href = x[it].getAttribute("href");
+ if (href && href.indexOf("http") !== 0) {
+ x[it].setAttribute("href", rootPath + href);
+ }
+ }
+ var display = document.createElement("h3");
+ addClass(display, "impl");
+ display.innerHTML = "<span class=\"in-band\"><table class=\"table-display\">" +
+ "<tbody><tr><td><code>" + code.outerHTML + "</code></td><td></td></tr>" +
+ "</tbody></table></span>";
+ list.appendChild(display);
+ }
+ }
+ };
+ if (window.pending_implementors) {
+ window.register_implementors(window.pending_implementors);
+ }
+
+ function labelForToggleButton(sectionIsCollapsed) {
+ if (sectionIsCollapsed) {
+ // button will expand the section
+ return "+";
+ }
+ // button will collapse the section
+ // note that this text is also set in the HTML template in render.rs
+ return "\u2212"; // "\u2212" is "−" minus sign
+ }
+
+ function onEveryMatchingChild(elem, className, func) {
+ if (elem && className && func) {
+ var length = elem.childNodes.length;
+ var nodes = elem.childNodes;
+ for (var i = 0; i < length; ++i) {
+ if (hasClass(nodes[i], className)) {
+ func(nodes[i]);
+ } else {
+ onEveryMatchingChild(nodes[i], className, func);
+ }
+ }
+ }
+ }
+
+ function toggleAllDocs(pageId, fromAutoCollapse) {
+ var innerToggle = document.getElementById("toggle-all-docs");
+ if (!innerToggle) {
+ return;
+ }
+ if (hasClass(innerToggle, "will-expand")) {
+ updateLocalStorage("rustdoc-collapse", "false");
+ removeClass(innerToggle, "will-expand");
+ onEveryMatchingChild(innerToggle, "inner", function(e) {
+ e.innerHTML = labelForToggleButton(false);
+ });
+ innerToggle.title = "collapse all docs";
+ if (fromAutoCollapse !== true) {
+ onEachLazy(document.getElementsByClassName("collapse-toggle"), function(e) {
+ collapseDocs(e, "show");
+ });
+ }
+ } else {
+ updateLocalStorage("rustdoc-collapse", "true");
+ addClass(innerToggle, "will-expand");
+ onEveryMatchingChild(innerToggle, "inner", function(e) {
+ var parent = e.parentNode;
+ var superParent = null;
+
+ if (parent) {
+ superParent = parent.parentNode;
+ }
+ if (!parent || !superParent || superParent.id !== "main" ||
+ hasClass(parent, "impl") === false) {
+ e.innerHTML = labelForToggleButton(true);
+ }
+ });
+ innerToggle.title = "expand all docs";
+ if (fromAutoCollapse !== true) {
+ onEachLazy(document.getElementsByClassName("collapse-toggle"), function(e) {
+ var parent = e.parentNode;
+ var superParent = null;
+
+ if (parent) {
+ superParent = parent.parentNode;
+ }
+ if (!parent || !superParent || superParent.id !== "main" ||
+ hasClass(parent, "impl") === false) {
+ collapseDocs(e, "hide", pageId);
+ }
+ });
+ }
+ }
+ }
+
+ function collapseDocs(toggle, mode, pageId) {
+ if (!toggle || !toggle.parentNode) {
+ return;
+ }
+
+ function adjustToggle(arg) {
+ return function(e) {
+ if (hasClass(e, "toggle-label")) {
+ if (arg) {
+ e.style.display = "inline-block";
+ } else {
+ e.style.display = "none";
+ }
+ }
+ if (hasClass(e, "inner")) {
+ e.innerHTML = labelForToggleButton(arg);
+ }
+ };
+ }
+
+ function implHider(addOrRemove, fullHide) {
+ return function(n) {
+ var is_method = hasClass(n, "method") || fullHide;
+ if (is_method || hasClass(n, "type")) {
+ if (is_method === true) {
+ if (addOrRemove) {
+ addClass(n, "hidden-by-impl-hider");
+ } else {
+ removeClass(n, "hidden-by-impl-hider");
+ }
+ }
+ var ns = n.nextElementSibling;
+ while (true) {
+ if (ns && (
+ hasClass(ns, "docblock") ||
+ hasClass(ns, "stability"))) {
+ if (addOrRemove) {
+ addClass(ns, "hidden-by-impl-hider");
+ } else {
+ removeClass(ns, "hidden-by-impl-hider");
+ }
+ ns = ns.nextElementSibling;
+ continue;
+ }
+ break;
+ }
+ }
+ };
+ }
+
+ var relatedDoc;
+ var action = mode;
+ if (hasClass(toggle.parentNode, "impl") === false) {
+ relatedDoc = toggle.parentNode.nextElementSibling;
+ if (hasClass(relatedDoc, "stability")) {
+ relatedDoc = relatedDoc.nextElementSibling;
+ }
+ if (hasClass(relatedDoc, "docblock") || hasClass(relatedDoc, "sub-variant")) {
+ if (mode === "toggle") {
+ if (hasClass(relatedDoc, "hidden-by-usual-hider")) {
+ action = "show";
+ } else {
+ action = "hide";
+ }
+ }
+ if (action === "hide") {
+ addClass(relatedDoc, "hidden-by-usual-hider");
+ onEachLazy(toggle.childNodes, adjustToggle(true));
+ addClass(toggle.parentNode, "collapsed");
+ } else if (action === "show") {
+ removeClass(relatedDoc, "hidden-by-usual-hider");
+ removeClass(toggle.parentNode, "collapsed");
+ onEachLazy(toggle.childNodes, adjustToggle(false));
+ }
+ }
+ } else {
+ // we are collapsing the impl block(s).
+
+ var parentElem = toggle.parentNode;
+ relatedDoc = parentElem;
+ var docblock = relatedDoc.nextElementSibling;
+
+ while (hasClass(relatedDoc, "impl-items") === false) {
+ relatedDoc = relatedDoc.nextElementSibling;
+ }
+
+ if ((!relatedDoc && hasClass(docblock, "docblock") === false) ||
+ (pageId && document.getElementById(pageId))) {
+ return;
+ }
+
+ // Hide all functions, but not associated types/consts.
+
+ if (mode === "toggle") {
+ if (hasClass(relatedDoc, "fns-now-collapsed") ||
+ hasClass(docblock, "hidden-by-impl-hider")) {
+ action = "show";
+ } else {
+ action = "hide";
+ }
+ }
+
+ var dontApplyBlockRule = toggle.parentNode.parentNode.id !== "main";
+ if (action === "show") {
+ removeClass(relatedDoc, "fns-now-collapsed");
+ removeClass(docblock, "hidden-by-usual-hider");
+ onEachLazy(toggle.childNodes, adjustToggle(false, dontApplyBlockRule));
+ onEachLazy(relatedDoc.childNodes, implHider(false, dontApplyBlockRule));
+ } else if (action === "hide") {
+ addClass(relatedDoc, "fns-now-collapsed");
+ addClass(docblock, "hidden-by-usual-hider");
+ onEachLazy(toggle.childNodes, adjustToggle(true, dontApplyBlockRule));
+ onEachLazy(relatedDoc.childNodes, implHider(true, dontApplyBlockRule));
+ }
+ }
+ }
+
+ function collapser(e, collapse) {
+ // inherent impl ids are like "impl" or impl-<number>'.
+ // they will never be hidden by default.
+ var n = e.parentElement;
+ if (n.id.match(/^impl(?:-\d+)?$/) === null) {
+ // Automatically minimize all non-inherent impls
+ if (collapse || hasClass(n, "impl")) {
+ collapseDocs(e, "hide", pageId);
+ }
+ }
+ }
+
+ function autoCollapse(pageId, collapse) {
+ if (collapse) {
+ toggleAllDocs(pageId, true);
+ } else if (getCurrentValue("rustdoc-trait-implementations") !== "false") {
+ var impl_list = document.getElementById("implementations-list");
+
+ if (impl_list !== null) {
+ onEachLazy(impl_list.getElementsByClassName("collapse-toggle"), function(e) {
+ collapser(e, collapse);
+ });
+ }
+
+ var blanket_list = document.getElementById("blanket-implementations-list");
+
+ if (blanket_list !== null) {
+ onEachLazy(blanket_list.getElementsByClassName("collapse-toggle"), function(e) {
+ collapser(e, collapse);
+ });
+ }
+ }
+ }
+
+ var toggles = document.getElementById("toggle-all-docs");
+ if (toggles) {
+ toggles.onclick = toggleAllDocs;
+ }
+
+ function insertAfter(newNode, referenceNode) {
+ referenceNode.parentNode.insertBefore(newNode, referenceNode.nextSibling);
+ }
+
+ function createSimpleToggle(sectionIsCollapsed) {
+ var toggle = document.createElement("a");
+ toggle.href = "javascript:void(0)";
+ toggle.className = "collapse-toggle";
+ toggle.innerHTML = "[<span class=\"inner\">" + labelForToggleButton(sectionIsCollapsed) +
+ "</span>]";
+ return toggle;
+ }
+
+ var toggle = createSimpleToggle(false);
+ var hideMethodDocs = getCurrentValue("rustdoc-method-docs") === "true";
+ var pageId = getPageId();
+
+ var func = function(e) {
+ var next = e.nextElementSibling;
+ if (!next) {
+ return;
+ }
+ if (hasClass(next, "docblock") === true ||
+ (hasClass(next, "stability") === true &&
+ hasClass(next.nextElementSibling, "docblock") === true)) {
+ var newToggle = toggle.cloneNode(true);
+ insertAfter(newToggle, e.childNodes[e.childNodes.length - 1]);
+ if (hideMethodDocs === true && hasClass(e, "method") === true) {
+ collapseDocs(newToggle, "hide", pageId);
+ }
+ }
+ };
+
+ var funcImpl = function(e) {
+ var next = e.nextElementSibling;
+ if (next && hasClass(next, "docblock")) {
+ next = next.nextElementSibling;
+ }
+ if (!next) {
+ return;
+ }
+ if (next.getElementsByClassName("method").length > 0 && hasClass(e, "impl")) {
+ insertAfter(toggle.cloneNode(true), e.childNodes[e.childNodes.length - 1]);
+ }
+ };
+
+ onEachLazy(document.getElementsByClassName("method"), func);
+ onEachLazy(document.getElementsByClassName("associatedconstant"), func);
+ onEachLazy(document.getElementsByClassName("impl"), funcImpl);
+ var impl_call = function() {};
+ if (hideMethodDocs === true) {
+ impl_call = function(e, newToggle, pageId) {
+ if (e.id.match(/^impl(?:-\d+)?$/) === null) {
+ // Automatically minimize all non-inherent impls
+ if (hasClass(e, "impl") === true) {
+ collapseDocs(newToggle, "hide", pageId);
+ }
+ }
+ };
+ }
+ var newToggle = document.createElement("a");
+ newToggle.href = "javascript:void(0)";
+ newToggle.className = "collapse-toggle hidden-default collapsed";
+ newToggle.innerHTML = "[<span class=\"inner\">" + labelForToggleButton(true) +
+ "</span>] Show hidden undocumented items";
+ function toggleClicked() {
+ if (hasClass(this, "collapsed")) {
+ removeClass(this, "collapsed");
+ onEachLazy(this.parentNode.getElementsByClassName("hidden"), function(x) {
+ if (hasClass(x, "content") === false) {
+ removeClass(x, "hidden");
+ addClass(x, "x");
+ }
+ }, true);
+ this.innerHTML = "[<span class=\"inner\">" + labelForToggleButton(false) +
+ "</span>] Hide undocumented items";
+ } else {
+ addClass(this, "collapsed");
+ onEachLazy(this.parentNode.getElementsByClassName("x"), function(x) {
+ if (hasClass(x, "content") === false) {
+ addClass(x, "hidden");
+ removeClass(x, "x");
+ }
+ }, true);
+ this.innerHTML = "[<span class=\"inner\">" + labelForToggleButton(true) +
+ "</span>] Show hidden undocumented items";
+ }
+ }
+ onEachLazy(document.getElementsByClassName("impl-items"), function(e) {
+ onEachLazy(e.getElementsByClassName("associatedconstant"), func);
+ var hiddenElems = e.getElementsByClassName("hidden");
+ var needToggle = false;
+
+ var hlength = hiddenElems.length;
+ for (var i = 0; i < hlength; ++i) {
+ if (hasClass(hiddenElems[i], "content") === false &&
+ hasClass(hiddenElems[i], "docblock") === false) {
+ needToggle = true;
+ break;
+ }
+ }
+ if (needToggle === true) {
+ var inner_toggle = newToggle.cloneNode(true);
+ inner_toggle.onclick = toggleClicked;
+ e.insertBefore(inner_toggle, e.firstChild);
+ impl_call(e.previousSibling, inner_toggle, pageId);
+ }
+ });
+
+ function createToggle(otherMessage, fontSize, extraClass, show) {
+ var span = document.createElement("span");
+ span.className = "toggle-label";
+ if (show) {
+ span.style.display = "none";
+ }
+ if (!otherMessage) {
+ span.innerHTML = "&nbsp;Expand&nbsp;description";
+ } else {
+ span.innerHTML = otherMessage;
+ }
+
+ if (fontSize) {
+ span.style.fontSize = fontSize;
+ }
+
+ var mainToggle = toggle.cloneNode(true);
+ mainToggle.appendChild(span);
+
+ var wrapper = document.createElement("div");
+ wrapper.className = "toggle-wrapper";
+ if (!show) {
+ addClass(wrapper, "collapsed");
+ var inner = mainToggle.getElementsByClassName("inner");
+ if (inner && inner.length > 0) {
+ inner[0].innerHTML = "+";
+ }
+ }
+ if (extraClass) {
+ addClass(wrapper, extraClass);
+ }
+ wrapper.appendChild(mainToggle);
+ return wrapper;
+ }
+
+ var showItemDeclarations = getCurrentValue("rustdoc-item-declarations") === "false";
+ function buildToggleWrapper(e) {
+ if (hasClass(e, "autohide")) {
+ var wrap = e.previousElementSibling;
+ if (wrap && hasClass(wrap, "toggle-wrapper")) {
+ var inner_toggle = wrap.childNodes[0];
+ var extra = e.childNodes[0].tagName === "H3";
+
+ e.style.display = "none";
+ addClass(wrap, "collapsed");
+ onEachLazy(inner_toggle.getElementsByClassName("inner"), function(e) {
+ e.innerHTML = labelForToggleButton(true);
+ });
+ onEachLazy(inner_toggle.getElementsByClassName("toggle-label"), function(e) {
+ e.style.display = "inline-block";
+ if (extra === true) {
+ i_e.innerHTML = " Show " + e.childNodes[0].innerHTML;
+ }
+ });
+ }
+ }
+ if (e.parentNode.id === "main") {
+ var otherMessage = "";
+ var fontSize;
+ var extraClass;
+
+ if (hasClass(e, "type-decl")) {
+ fontSize = "20px";
+ otherMessage = "&nbsp;Show&nbsp;declaration";
+ if (showItemDeclarations === false) {
+ extraClass = "collapsed";
+ }
+ } else if (hasClass(e, "sub-variant")) {
+ otherMessage = "&nbsp;Show&nbsp;fields";
+ } else if (hasClass(e, "non-exhaustive")) {
+ otherMessage = "&nbsp;This&nbsp;";
+ 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 += "&nbsp;is&nbsp;marked&nbsp;as&nbsp;non-exhaustive";
+ } else if (hasClass(e.childNodes[0], "impl-items")) {
+ extraClass = "marg-left";
+ }
+
+ e.parentNode.insertBefore(
+ createToggle(otherMessage,
+ fontSize,
+ extraClass,
+ hasClass(e, "type-decl") === false || showItemDeclarations === true),
+ e);
+ if (hasClass(e, "type-decl") === true && showItemDeclarations === true) {
+ collapseDocs(e.previousSibling.childNodes[0], "toggle");
+ }
+ if (hasClass(e, "non-exhaustive") === true) {
+ collapseDocs(e.previousSibling.childNodes[0], "toggle");
+ }
+ }
+ }
+
+ onEachLazy(document.getElementsByClassName("docblock"), buildToggleWrapper);
+ onEachLazy(document.getElementsByClassName("sub-variant"), buildToggleWrapper);
+
+ function createToggleWrapper(tog) {
+ var span = document.createElement("span");
+ span.className = "toggle-label";
+ span.style.display = "none";
+ span.innerHTML = "&nbsp;Expand&nbsp;attributes";
+ tog.appendChild(span);
+
+ var wrapper = document.createElement("div");
+ wrapper.className = "toggle-wrapper toggle-attributes";
+ wrapper.appendChild(tog);
+ return wrapper;
+ }
+
+ // To avoid checking on "rustdoc-item-attributes" value on every loop...
+ var itemAttributesFunc = function() {};
+ if (getCurrentValue("rustdoc-item-attributes") !== "false") {
+ itemAttributesFunc = function(x) {
+ collapseDocs(x.previousSibling.childNodes[0], "toggle");
+ };
+ }
+ var attributesToggle = createToggleWrapper(createSimpleToggle(false));
+ onEachLazy(main.getElementsByClassName("attributes"), function(i_e) {
+ var attr_tog = attributesToggle.cloneNode(true);
+ if (hasClass(i_e, "top-attr") === true) {
+ addClass(attr_tog, "top-attr");
+ }
+ i_e.parentNode.insertBefore(attr_tog, i_e);
+ itemAttributesFunc(i_e);
+ });
+
+ // To avoid checking on "rustdoc-line-numbers" value on every loop...
+ var lineNumbersFunc = function() {};
+ if (getCurrentValue("rustdoc-line-numbers") === "true") {
+ lineNumbersFunc = function(x) {
+ var count = x.textContent.split("\n").length;
+ var elems = [];
+ for (var i = 0; i < count; ++i) {
+ elems.push(i + 1);
+ }
+ var node = document.createElement("pre");
+ addClass(node, "line-number");
+ node.innerHTML = elems.join("\n");
+ x.parentNode.insertBefore(node, x);
+ };
+ }
+ onEachLazy(document.getElementsByClassName("rust-example-rendered"), function(e) {
+ if (hasClass(e, "compile_fail")) {
+ e.addEventListener("mouseover", function(event) {
+ this.parentElement.previousElementSibling.childNodes[0].style.color = "#f00";
+ });
+ e.addEventListener("mouseout", function(event) {
+ this.parentElement.previousElementSibling.childNodes[0].style.color = "";
+ });
+ } else if (hasClass(e, "ignore")) {
+ e.addEventListener("mouseover", function(event) {
+ this.parentElement.previousElementSibling.childNodes[0].style.color = "#ff9200";
+ });
+ e.addEventListener("mouseout", function(event) {
+ this.parentElement.previousElementSibling.childNodes[0].style.color = "";
+ });
+ }
+ lineNumbersFunc(e);
+ });
+
+ function showModal(content) {
+ var modal = document.createElement("div");
+ modal.id = "important";
+ addClass(modal, "modal");
+ modal.innerHTML = "<div class=\"modal-content\"><div class=\"close\" id=\"modal-close\">✕" +
+ "</div><div class=\"whiter\"></div><span class=\"docblock\">" + content +
+ "</span></div>";
+ document.getElementsByTagName("body")[0].appendChild(modal);
+ document.getElementById("modal-close").onclick = hideModal;
+ modal.onclick = hideModal;
+ }
+
+ function hideModal() {
+ var modal = document.getElementById("important");
+ if (modal) {
+ modal.parentNode.removeChild(modal);
+ }
+ }
+
+ onEachLazy(document.getElementsByClassName("important-traits"), function(e) {
+ e.onclick = function() {
+ showModal(e.lastElementChild.innerHTML);
+ };
+ });
+
+ // In the search display, allows to switch between tabs.
+ function printTab(nb) {
+ if (nb === 0 || nb === 1 || nb === 2) {
+ currentTab = nb;
+ }
+ var nb_copy = nb;
+ onEachLazy(document.getElementById("titles").childNodes, function(elem) {
+ if (nb_copy === 0) {
+ addClass(elem, "selected");
+ } else {
+ removeClass(elem, "selected");
+ }
+ nb_copy -= 1;
+ });
+ onEachLazy(document.getElementById("results").childNodes, function(elem) {
+ if (nb === 0) {
+ elem.style.display = "";
+ } else {
+ elem.style.display = "none";
+ }
+ nb -= 1;
+ });
+ }
+
+ function putBackSearch(search_input) {
+ if (search_input.value !== "") {
+ addClass(main, "hidden");
+ removeClass(document.getElementById("search"), "hidden");
+ if (browserSupportsHistoryApi()) {
+ history.replaceState(search_input.value,
+ "",
+ "?search=" + encodeURIComponent(search_input.value));
+ }
+ }
+ }
+
+ if (search_input) {
+ search_input.onfocus = function() {
+ putBackSearch(this);
+ };
+ }
+
+ var params = getQueryStringParams();
+ if (params && params.search) {
+ addClass(main, "hidden");
+ var search = document.getElementById("search");
+ removeClass(search, "hidden");
+ search.innerHTML = "<h3 style=\"text-align: center;\">Loading search results...</h3>";
+ }
+
+ var sidebar_menu = document.getElementsByClassName("sidebar-menu")[0];
+ if (sidebar_menu) {
+ sidebar_menu.onclick = function() {
+ var sidebar = document.getElementsByClassName("sidebar")[0];
+ if (hasClass(sidebar, "mobile") === true) {
+ hideSidebar();
+ } else {
+ showSidebar();
+ }
+ };
+ }
+
+ window.onresize = function() {
+ hideSidebar();
+ };
+
+ autoCollapse(getPageId(), getCurrentValue("rustdoc-collapse") === "true");
+
+ if (window.location.hash && window.location.hash.length > 0) {
+ expandSection(window.location.hash.replace(/^#/, ""));
+ }
+
+ if (main) {
+ onEachLazy(main.getElementsByClassName("loading-content"), function(e) {
+ e.remove();
+ });
+ onEachLazy(main.childNodes, function(e) {
+ // Unhide the actual content once loading is complete. Headers get
+ // flex treatment for their horizontal layout, divs get block treatment
+ // for vertical layout (column-oriented flex layout for divs caused
+ // errors in mobile browsers).
+ if (e.tagName === "H2" || e.tagName === "H3") {
+ var nextTagName = e.nextElementSibling.tagName;
+ if (nextTagName == "H2" || nextTagName == "H3") {
+ e.nextElementSibling.style.display = "flex";
+ } else {
+ e.nextElementSibling.style.display = "block";
+ }
+ }
+ });
+ }
+
+ function addSearchOptions(crates) {
+ var elem = document.getElementById('crate-search');
+
+ if (!elem) {
+ return;
+ }
+ var crates_text = [];
+ if (Object.keys(crates).length > 1) {
+ for (var crate in crates) {
+ if (crates.hasOwnProperty(crate)) {
+ crates_text.push(crate);
+ }
+ }
+ }
+ crates_text.sort(function(a, b) {
+ var lower_a = a.toLowerCase();
+ var lower_b = b.toLowerCase();
+
+ if (lower_a < lower_b) {
+ return -1;
+ } else if (lower_a > lower_b) {
+ return 1;
+ }
+ return 0;
+ });
+ for (var i = 0; i < crates_text.length; ++i) {
+ var option = document.createElement("option");
+ option.value = crates_text[i];
+ option.innerText = crates_text[i];
+ elem.appendChild(option);
+ }
+ }
+
+ window.addSearchOptions = addSearchOptions;
+}());
+
+// Sets the focus on the search bar at the top of the page
+function focusSearchBar() {
+ document.getElementsByClassName("search-input")[0].focus();
+}
+
+// Removes the focus from the search bar
+function defocusSearchBar() {
+ document.getElementsByClassName("search-input")[0].blur();
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-09-08 13:42:40 +0000