mirror of
https://github.com/rust-lang/rust.git
synced 2025-06-04 19:29:07 +00:00
4ade7080c3
The minus sign ‘−’ is the same width as the plus sign ‘+’, so the button’s transition between the two symbols will look more smooth.
901 lines
35 KiB
JavaScript
901 lines
35 KiB
JavaScript
// Copyright 2014 The Rust Project Developers. See the COPYRIGHT
|
||
// file at the top-level directory of this distribution and at
|
||
// http://rust-lang.org/COPYRIGHT.
|
||
//
|
||
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
|
||
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
|
||
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
|
||
// option. This file may not be copied, modified, or distributed
|
||
// except according to those terms.
|
||
|
||
/*jslint browser: true, es5: true */
|
||
/*globals $: true, rootPath: true */
|
||
|
||
(function() {
|
||
"use strict";
|
||
var resizeTimeout, interval;
|
||
|
||
// 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"];
|
||
|
||
$('.js-only').removeClass('js-only');
|
||
|
||
function getQueryStringParams() {
|
||
var params = {};
|
||
window.location.search.substring(1).split("&").
|
||
map(function(s) {
|
||
var pair = s.split("=");
|
||
params[decodeURIComponent(pair[0])] =
|
||
typeof pair[1] === "undefined" ?
|
||
null : decodeURIComponent(pair[1]);
|
||
});
|
||
return params;
|
||
}
|
||
|
||
function browserSupportsHistoryApi() {
|
||
return window.history && typeof window.history.pushState === "function";
|
||
}
|
||
|
||
function highlightSourceLines(ev) {
|
||
var i, from, to, match = window.location.hash.match(/^#?(\d+)(?:-(\d+))?$/);
|
||
if (match) {
|
||
from = parseInt(match[1], 10);
|
||
to = Math.min(50000, parseInt(match[2] || match[1], 10));
|
||
from = Math.min(from, to);
|
||
if ($('#' + from).length === 0) {
|
||
return;
|
||
}
|
||
if (ev === null) $('#' + from)[0].scrollIntoView();
|
||
$('.line-numbers span').removeClass('line-highlighted');
|
||
for (i = from; i <= to; ++i) {
|
||
$('#' + i).addClass('line-highlighted');
|
||
}
|
||
}
|
||
}
|
||
highlightSourceLines(null);
|
||
$(window).on('hashchange', highlightSourceLines);
|
||
|
||
$(document).on('keyup', function(e) {
|
||
if (document.activeElement.tagName === 'INPUT') {
|
||
return;
|
||
}
|
||
|
||
if (e.which === 191) { // question mark
|
||
if (e.shiftKey && $('#help').hasClass('hidden')) {
|
||
e.preventDefault();
|
||
$('#help').removeClass('hidden');
|
||
}
|
||
} else if (e.which === 27) { // esc
|
||
if (!$('#help').hasClass('hidden')) {
|
||
e.preventDefault();
|
||
$('#help').addClass('hidden');
|
||
} else if (!$('#search').hasClass('hidden')) {
|
||
e.preventDefault();
|
||
$('#search').addClass('hidden');
|
||
$('#main').removeClass('hidden');
|
||
}
|
||
} else if (e.which === 83) { // S
|
||
e.preventDefault();
|
||
$('.search-input').focus();
|
||
}
|
||
}).on('click', function(e) {
|
||
if (!$(e.target).closest('#help').length) {
|
||
$('#help').addClass('hidden');
|
||
}
|
||
});
|
||
|
||
$('.version-selector').on('change', function() {
|
||
var i, match,
|
||
url = document.location.href,
|
||
stripped = '',
|
||
len = rootPath.match(/\.\.\//g).length + 1;
|
||
|
||
for (i = 0; i < len; ++i) {
|
||
match = url.match(/\/[^\/]*$/);
|
||
if (i < len - 1) {
|
||
stripped = match[0] + stripped;
|
||
}
|
||
url = url.substring(0, url.length - match[0].length);
|
||
}
|
||
|
||
url += '/' + $('.version-selector').val() + stripped;
|
||
|
||
document.location.href = url;
|
||
});
|
||
/**
|
||
* A function to compute the Levenshtein distance between two strings
|
||
* Licensed under the Creative Commons Attribution-ShareAlike 3.0 Unported
|
||
* Full License can be found at http://creativecommons.org/licenses/by-sa/3.0/legalcode
|
||
* This code is an unmodified version of the code written by Marco de Wit
|
||
* and was found at http://stackoverflow.com/a/18514751/745719
|
||
*/
|
||
var levenshtein = (function() {
|
||
var row2 = [];
|
||
return function(s1, s2) {
|
||
if (s1 === s2) {
|
||
return 0;
|
||
} else {
|
||
var s1_len = s1.length, s2_len = s2.length;
|
||
if (s1_len && s2_len) {
|
||
var i1 = 0, i2 = 0, a, b, c, c2, row = row2;
|
||
while (i1 < s1_len)
|
||
row[i1] = ++i1;
|
||
while (i2 < s2_len) {
|
||
c2 = s2.charCodeAt(i2);
|
||
a = i2;
|
||
++i2;
|
||
b = i2;
|
||
for (i1 = 0; i1 < s1_len; ++i1) {
|
||
c = a + (s1.charCodeAt(i1) !== c2 ? 1 : 0);
|
||
a = row[i1];
|
||
b = b < a ? (b < c ? b + 1 : c) : (a < c ? a + 1 : c);
|
||
row[i1] = b;
|
||
}
|
||
}
|
||
return b;
|
||
} else {
|
||
return s1_len + s2_len;
|
||
}
|
||
}
|
||
};
|
||
})();
|
||
|
||
function initSearch(rawSearchIndex) {
|
||
var currentResults, index, searchIndex;
|
||
var MAX_LEV_DISTANCE = 3;
|
||
var params = getQueryStringParams();
|
||
|
||
// Populate search bar with query string search term when provided,
|
||
// but only if the input bar is empty. This avoid the obnoxious issue
|
||
// where you start trying to do a search, and the index loads, and
|
||
// suddenly your search is gone!
|
||
if ($(".search-input")[0].value === "") {
|
||
$(".search-input")[0].value = params.search || '';
|
||
}
|
||
|
||
/**
|
||
* Executes the query and builds an index of results
|
||
* @param {[Object]} query [The user query]
|
||
* @param {[type]} max [The maximum results returned]
|
||
* @param {[type]} searchWords [The list of search words to query
|
||
* against]
|
||
* @return {[type]} [A search index of results]
|
||
*/
|
||
function execQuery(query, max, searchWords) {
|
||
var valLower = query.query.toLowerCase(),
|
||
val = valLower,
|
||
typeFilter = itemTypeFromName(query.type),
|
||
results = [],
|
||
split = valLower.split("::");
|
||
|
||
//remove empty keywords
|
||
for (var j = 0; j < split.length; ++j) {
|
||
split[j].toLowerCase();
|
||
if (split[j] === "") {
|
||
split.splice(j, 1);
|
||
}
|
||
}
|
||
|
||
// quoted values mean literal search
|
||
var nSearchWords = searchWords.length;
|
||
if ((val.charAt(0) === "\"" || val.charAt(0) === "'") &&
|
||
val.charAt(val.length - 1) === val.charAt(0))
|
||
{
|
||
val = val.substr(1, val.length - 2);
|
||
for (var i = 0; i < nSearchWords; ++i) {
|
||
if (searchWords[i] === val) {
|
||
// filter type: ... queries
|
||
if (typeFilter < 0 || typeFilter === searchIndex[i].ty) {
|
||
results.push({id: i, index: -1});
|
||
}
|
||
}
|
||
if (results.length === max) {
|
||
break;
|
||
}
|
||
}
|
||
// 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();
|
||
var output = parts[1];
|
||
|
||
for (var i = 0; i < nSearchWords; ++i) {
|
||
var type = searchIndex[i].type;
|
||
if (!type) {
|
||
continue;
|
||
}
|
||
|
||
// sort index inputs so that order does not matter
|
||
var typeInputs = type.inputs.map(function (input) {
|
||
return input.name;
|
||
}).sort();
|
||
|
||
// allow searching for void (no output) functions as well
|
||
var typeOutput = type.output ? type.output.name : "";
|
||
if (inputs.toString() === typeInputs.toString() &&
|
||
output == typeOutput) {
|
||
results.push({id: i, index: -1, dontValidate: true});
|
||
}
|
||
}
|
||
} else {
|
||
// gather matching search results up to a certain maximum
|
||
val = val.replace(/\_/g, "");
|
||
for (var i = 0; i < split.length; ++i) {
|
||
for (var j = 0; j < nSearchWords; ++j) {
|
||
var lev_distance;
|
||
if (searchWords[j].indexOf(split[i]) > -1 ||
|
||
searchWords[j].indexOf(val) > -1 ||
|
||
searchWords[j].replace(/_/g, "").indexOf(val) > -1)
|
||
{
|
||
// filter type: ... queries
|
||
if (typeFilter < 0 || typeFilter === searchIndex[j].ty) {
|
||
results.push({
|
||
id: j,
|
||
index: searchWords[j].replace(/_/g, "").indexOf(val),
|
||
lev: 0,
|
||
});
|
||
}
|
||
} else if (
|
||
(lev_distance = levenshtein(searchWords[j], val)) <=
|
||
MAX_LEV_DISTANCE) {
|
||
if (typeFilter < 0 || typeFilter === searchIndex[j].ty) {
|
||
results.push({
|
||
id: j,
|
||
index: 0,
|
||
// we want lev results to go lower than others
|
||
lev: lev_distance,
|
||
});
|
||
}
|
||
}
|
||
if (results.length === max) {
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
var nresults = results.length;
|
||
for (var i = 0; i < nresults; ++i) {
|
||
results[i].word = searchWords[results[i].id];
|
||
results[i].item = searchIndex[results[i].id] || {};
|
||
}
|
||
// if there are no results then return to default and fail
|
||
if (results.length === 0) {
|
||
return [];
|
||
}
|
||
|
||
results.sort(function(aaa, bbb) {
|
||
var a, b;
|
||
|
||
// Sort by non levenshtein results and then levenshtein results by the distance
|
||
// (less changes required to match means higher rankings)
|
||
a = (aaa.lev);
|
||
b = (bbb.lev);
|
||
if (a !== b) return a - b;
|
||
|
||
// sort by crate (non-current crate goes later)
|
||
a = (aaa.item.crate !== window.currentCrate);
|
||
b = (bbb.item.crate !== window.currentCrate);
|
||
if (a !== b) return a - b;
|
||
|
||
// sort by exact match (mismatch goes later)
|
||
a = (aaa.word !== valLower);
|
||
b = (bbb.word !== valLower);
|
||
if (a !== b) return a - b;
|
||
|
||
// sort by item name length (longer goes later)
|
||
a = aaa.word.length;
|
||
b = bbb.word.length;
|
||
if (a !== b) return a - b;
|
||
|
||
// sort by item name (lexicographically larger goes later)
|
||
a = aaa.word;
|
||
b = bbb.word;
|
||
if (a !== b) return (a > b ? +1 : -1);
|
||
|
||
// sort by index of keyword in item name (no literal occurrence goes later)
|
||
a = (aaa.index < 0);
|
||
b = (bbb.index < 0);
|
||
if (a !== b) return a - b;
|
||
// (later literal occurrence, if any, goes later)
|
||
a = aaa.index;
|
||
b = bbb.index;
|
||
if (a !== b) return a - b;
|
||
|
||
// 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;
|
||
});
|
||
|
||
// remove duplicates, according to the data provided
|
||
for (var i = results.length - 1; i > 0; i -= 1) {
|
||
if (results[i].word === results[i - 1].word &&
|
||
results[i].item.ty === results[i - 1].item.ty &&
|
||
results[i].item.path === results[i - 1].item.path &&
|
||
(results[i].item.parent || {}).name === (results[i - 1].item.parent || {}).name)
|
||
{
|
||
results[i].id = -1;
|
||
}
|
||
}
|
||
for (var i = 0; i < results.length; ++i) {
|
||
var result = results[i],
|
||
name = result.item.name.toLowerCase(),
|
||
path = result.item.path.toLowerCase(),
|
||
parent = result.item.parent;
|
||
|
||
// this validation does not make sense when searching by types
|
||
if (result.dontValidate) {
|
||
continue;
|
||
}
|
||
|
||
var valid = validateResult(name, path, split, parent);
|
||
if (!valid) {
|
||
result.id = -1;
|
||
}
|
||
}
|
||
return results;
|
||
}
|
||
|
||
/**
|
||
* Validate performs the following boolean logic. For example:
|
||
* "File::open" will give IF A PARENT EXISTS => ("file" && "open")
|
||
* exists in (name || path || parent) OR => ("file" && "open") exists in
|
||
* (name || path )
|
||
*
|
||
* This could be written functionally, but I wanted to minimise
|
||
* functions on stack.
|
||
*
|
||
* @param {[string]} name [The name of the result]
|
||
* @param {[string]} path [The path of the result]
|
||
* @param {[string]} keys [The keys to be used (["file", "open"])]
|
||
* @param {[object]} parent [The parent of the result]
|
||
* @return {[boolean]} [Whether the result is valid or not]
|
||
*/
|
||
function validateResult(name, path, keys, parent) {
|
||
for (var i=0; i < keys.length; ++i) {
|
||
// each check is for validation so we negate the conditions and invalidate
|
||
if (!(
|
||
// check for an exact name match
|
||
name.toLowerCase().indexOf(keys[i]) > -1 ||
|
||
// then an exact path match
|
||
path.toLowerCase().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.toLowerCase(), keys[i]) <=
|
||
MAX_LEV_DISTANCE)) {
|
||
return false;
|
||
}
|
||
}
|
||
return true;
|
||
}
|
||
|
||
function getQuery() {
|
||
var matches, type, query, raw = $('.search-input').val();
|
||
query = raw;
|
||
|
||
matches = query.match(/^(fn|mod|struct|enum|trait|t(ype)?d(ef)?)\s*:\s*/i);
|
||
if (matches) {
|
||
type = matches[1].replace(/^td$/, 'typedef')
|
||
.replace(/^tdef$/, 'typedef')
|
||
.replace(/^typed$/, 'typedef');
|
||
query = query.substring(matches[0].length);
|
||
}
|
||
|
||
return {
|
||
raw: raw,
|
||
query: query,
|
||
type: type,
|
||
id: query + type,
|
||
};
|
||
}
|
||
|
||
function initSearchNav() {
|
||
var hoverTimeout, $results = $('.search-results .result');
|
||
|
||
$results.on('click', function() {
|
||
var dst = $(this).find('a')[0];
|
||
if (window.location.pathname == dst.pathname) {
|
||
$('#search').addClass('hidden');
|
||
$('#main').removeClass('hidden');
|
||
document.location.href = dst.href;
|
||
}
|
||
}).on('mouseover', function() {
|
||
var $el = $(this);
|
||
clearTimeout(hoverTimeout);
|
||
hoverTimeout = setTimeout(function() {
|
||
$results.removeClass('highlighted');
|
||
$el.addClass('highlighted');
|
||
}, 20);
|
||
});
|
||
|
||
$(document).off('keydown.searchnav');
|
||
$(document).on('keydown.searchnav', function(e) {
|
||
var $active = $results.filter('.highlighted');
|
||
|
||
if (e.which === 38) { // up
|
||
e.preventDefault();
|
||
if (!$active.length || !$active.prev()) {
|
||
return;
|
||
}
|
||
|
||
$active.prev().addClass('highlighted');
|
||
$active.removeClass('highlighted');
|
||
} else if (e.which === 40) { // down
|
||
e.preventDefault();
|
||
if (!$active.length) {
|
||
$results.first().addClass('highlighted');
|
||
} else if ($active.next().length) {
|
||
$active.next().addClass('highlighted');
|
||
$active.removeClass('highlighted');
|
||
}
|
||
} else if (e.which === 13) { // return
|
||
e.preventDefault();
|
||
if ($active.length) {
|
||
document.location.href = $active.find('a').prop('href');
|
||
}
|
||
} else {
|
||
$active.removeClass('highlighted');
|
||
}
|
||
});
|
||
}
|
||
|
||
function escape(content) {
|
||
return $('<h1/>').text(content).html();
|
||
}
|
||
|
||
function showResults(results) {
|
||
var output, shown, query = getQuery();
|
||
|
||
currentResults = query.id;
|
||
output = '<h1>Results for ' + escape(query.query) +
|
||
(query.type ? ' (type: ' + escape(query.type) + ')' : '') + '</h1>';
|
||
output += '<table class="search-results">';
|
||
|
||
if (results.length > 0) {
|
||
shown = [];
|
||
|
||
results.forEach(function(item) {
|
||
var name, type, href, displayPath;
|
||
|
||
if (shown.indexOf(item) !== -1) {
|
||
return;
|
||
}
|
||
|
||
shown.push(item);
|
||
name = item.name;
|
||
type = itemTypes[item.ty];
|
||
|
||
if (type === 'mod') {
|
||
displayPath = item.path + '::';
|
||
href = rootPath + item.path.replace(/::/g, '/') + '/' +
|
||
name + '/index.html';
|
||
} else if (type === 'static' || type === 'reexport') {
|
||
displayPath = item.path + '::';
|
||
href = rootPath + item.path.replace(/::/g, '/') +
|
||
'/index.html';
|
||
} else if (item.parent !== undefined) {
|
||
var myparent = item.parent;
|
||
var anchor = '#' + type + '.' + name;
|
||
displayPath = item.path + '::' + myparent.name + '::';
|
||
href = rootPath + item.path.replace(/::/g, '/') +
|
||
'/' + itemTypes[myparent.ty] +
|
||
'.' + myparent.name +
|
||
'.html' + anchor;
|
||
} else {
|
||
displayPath = item.path + '::';
|
||
href = rootPath + item.path.replace(/::/g, '/') +
|
||
'/' + type + '.' + name + '.html';
|
||
}
|
||
|
||
output += '<tr class="' + type + ' result"><td>' +
|
||
'<a href="' + href + '">' +
|
||
displayPath + '<span class="' + type + '">' +
|
||
name + '</span></a></td><td>' +
|
||
'<a href="' + href + '">' +
|
||
'<span class="desc">' + item.desc +
|
||
' </span></a></td></tr>';
|
||
});
|
||
} else {
|
||
output += 'No results :( <a href="https://duckduckgo.com/?q=' +
|
||
encodeURIComponent('rust ' + query.query) +
|
||
'">Try on DuckDuckGo?</a>';
|
||
}
|
||
|
||
output += "</p>";
|
||
$('#main.content').addClass('hidden');
|
||
$('#search.content').removeClass('hidden').html(output);
|
||
$('#search .desc').width($('#search').width() - 40 -
|
||
$('#search td:first-child').first().width());
|
||
initSearchNav();
|
||
}
|
||
|
||
function search(e) {
|
||
var query,
|
||
filterdata = [],
|
||
obj, i, len,
|
||
results = [],
|
||
maxResults = 200,
|
||
resultIndex;
|
||
var params = getQueryStringParams();
|
||
|
||
query = getQuery();
|
||
if (e) {
|
||
e.preventDefault();
|
||
}
|
||
|
||
if (!query.query || query.id === currentResults) {
|
||
return;
|
||
}
|
||
|
||
// 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));
|
||
}
|
||
}
|
||
|
||
resultIndex = execQuery(query, 20000, index);
|
||
len = resultIndex.length;
|
||
for (i = 0; i < len; ++i) {
|
||
if (resultIndex[i].id > -1) {
|
||
obj = searchIndex[resultIndex[i].id];
|
||
filterdata.push([obj.name, obj.ty, obj.path, obj.desc]);
|
||
results.push(obj);
|
||
}
|
||
if (results.length >= maxResults) {
|
||
break;
|
||
}
|
||
}
|
||
|
||
showResults(results);
|
||
}
|
||
|
||
function itemTypeFromName(typename) {
|
||
for (var i = 0; i < itemTypes.length; ++i) {
|
||
if (itemTypes[i] === typename) return i;
|
||
}
|
||
return -1;
|
||
}
|
||
|
||
function buildIndex(rawSearchIndex) {
|
||
searchIndex = [];
|
||
var searchWords = [];
|
||
for (var crate in rawSearchIndex) {
|
||
if (!rawSearchIndex.hasOwnProperty(crate)) { continue }
|
||
|
||
// an array of [(Number) item type,
|
||
// (String) name,
|
||
// (String) full path or empty string for previous path,
|
||
// (String) description,
|
||
// (Number | null) the parent path index to `paths`]
|
||
// (Object | null) the type of the function (if any)
|
||
var items = rawSearchIndex[crate].items;
|
||
// an array of [(Number) item type,
|
||
// (String) name]
|
||
var paths = rawSearchIndex[crate].paths;
|
||
|
||
// convert `paths` into an object form
|
||
var len = paths.length;
|
||
for (var i = 0; i < len; ++i) {
|
||
paths[i] = {ty: paths[i][0], name: paths[i][1]};
|
||
}
|
||
|
||
// convert `items` into an object form, and construct word indices.
|
||
//
|
||
// before any analysis is performed lets gather the search terms to
|
||
// search against apart from the rest of the data. This is a quick
|
||
// operation that is cached for the life of the page state so that
|
||
// all other search operations have access to this cached data for
|
||
// faster analysis operations
|
||
var len = items.length;
|
||
var lastPath = "";
|
||
for (var i = 0; i < len; ++i) {
|
||
var rawRow = items[i];
|
||
var row = {crate: crate, ty: rawRow[0], name: rawRow[1],
|
||
path: rawRow[2] || lastPath, desc: rawRow[3],
|
||
parent: paths[rawRow[4]], type: rawRow[5]};
|
||
searchIndex.push(row);
|
||
if (typeof row.name === "string") {
|
||
var word = row.name.toLowerCase();
|
||
searchWords.push(word);
|
||
} else {
|
||
searchWords.push("");
|
||
}
|
||
lastPath = row.path;
|
||
}
|
||
}
|
||
return searchWords;
|
||
}
|
||
|
||
function startSearch() {
|
||
var keyUpTimeout;
|
||
$('.do-search').on('click', search);
|
||
$('.search-input').on('keyup', function() {
|
||
clearTimeout(keyUpTimeout);
|
||
keyUpTimeout = setTimeout(search, 500);
|
||
});
|
||
|
||
// Push and pop states are used to add search results to the browser
|
||
// history.
|
||
if (browserSupportsHistoryApi()) {
|
||
$(window).on('popstate', function(e) {
|
||
var params = getQueryStringParams();
|
||
// When browsing back from search results the main page
|
||
// visibility must be reset.
|
||
if (!params.search) {
|
||
$('#main.content').removeClass('hidden');
|
||
$('#search.content').addClass('hidden');
|
||
}
|
||
// 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.
|
||
$('.search-input').val(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();
|
||
});
|
||
}
|
||
search();
|
||
}
|
||
|
||
function plainSummaryLine(markdown) {
|
||
var str = markdown.replace(/\n/g, ' ')
|
||
str = str.replace(/'/g, "\'")
|
||
str = str.replace(/^#+? (.+?)/, "$1")
|
||
str = str.replace(/\[(.*?)\]\(.*?\)/g, "$1")
|
||
str = str.replace(/\[(.*?)\]\[.*?\]/g, "$1")
|
||
return str;
|
||
}
|
||
|
||
index = buildIndex(rawSearchIndex);
|
||
startSearch();
|
||
|
||
// Draw a convenient sidebar of known crates if we have a listing
|
||
if (rootPath == '../') {
|
||
var sidebar = $('.sidebar');
|
||
var div = $('<div>').attr('class', 'block crate');
|
||
div.append($('<h2>').text('Crates'));
|
||
|
||
var crates = [];
|
||
for (var crate in rawSearchIndex) {
|
||
if (!rawSearchIndex.hasOwnProperty(crate)) { continue }
|
||
crates.push(crate);
|
||
}
|
||
crates.sort();
|
||
for (var i = 0; i < crates.length; ++i) {
|
||
var klass = 'crate';
|
||
if (crates[i] == window.currentCrate) {
|
||
klass += ' current';
|
||
}
|
||
if (rawSearchIndex[crates[i]].items[0]) {
|
||
var desc = rawSearchIndex[crates[i]].items[0][3];
|
||
div.append($('<a>', {'href': '../' + crates[i] + '/index.html',
|
||
'title': plainSummaryLine(desc),
|
||
'class': klass}).text(crates[i]));
|
||
}
|
||
}
|
||
sidebar.append(div);
|
||
}
|
||
}
|
||
|
||
window.initSearch = initSearch;
|
||
|
||
// delayed sidebar rendering.
|
||
function initSidebarItems(items) {
|
||
var sidebar = $('.sidebar');
|
||
var current = window.sidebarCurrent;
|
||
|
||
function block(shortty, longty) {
|
||
var filtered = items[shortty];
|
||
if (!filtered) return;
|
||
|
||
var div = $('<div>').attr('class', 'block ' + shortty);
|
||
div.append($('<h2>').text(longty));
|
||
|
||
for (var i = 0; i < filtered.length; ++i) {
|
||
var item = filtered[i];
|
||
var name = item[0];
|
||
var desc = item[1]; // can be null
|
||
|
||
var klass = shortty;
|
||
if (name === current.name && shortty == current.ty) {
|
||
klass += ' current';
|
||
}
|
||
var path;
|
||
if (shortty === 'mod') {
|
||
path = name + '/index.html';
|
||
} else {
|
||
path = shortty + '.' + name + '.html';
|
||
}
|
||
div.append($('<a>', {'href': current.relpath + path,
|
||
'title': desc,
|
||
'class': klass}).text(name));
|
||
}
|
||
sidebar.append(div);
|
||
}
|
||
|
||
block("mod", "Modules");
|
||
block("struct", "Structs");
|
||
block("enum", "Enums");
|
||
block("trait", "Traits");
|
||
block("fn", "Functions");
|
||
block("macro", "Macros");
|
||
}
|
||
|
||
window.initSidebarItems = initSidebarItems;
|
||
|
||
window.register_implementors = function(imp) {
|
||
var list = $('#implementors-list');
|
||
var libs = Object.getOwnPropertyNames(imp);
|
||
for (var i = 0; i < libs.length; ++i) {
|
||
if (libs[i] == currentCrate) continue;
|
||
var structs = imp[libs[i]];
|
||
for (var j = 0; j < structs.length; ++j) {
|
||
var code = $('<code>').append(structs[j]);
|
||
$.each(code.find('a'), function(idx, a) {
|
||
var href = $(a).attr('href');
|
||
if (href && href.indexOf('http') !== 0) {
|
||
$(a).attr('href', rootPath + href);
|
||
}
|
||
});
|
||
var li = $('<li>').append(code);
|
||
list.append(li);
|
||
}
|
||
}
|
||
};
|
||
if (window.pending_implementors) {
|
||
window.register_implementors(window.pending_implementors);
|
||
}
|
||
|
||
// See documentation in html/render.rs for what this is doing.
|
||
var query = getQueryStringParams();
|
||
if (query['gotosrc']) {
|
||
window.location = $('#src-' + query['gotosrc']).attr('href');
|
||
}
|
||
if (query['gotomacrosrc']) {
|
||
window.location = $('.srclink').attr('href');
|
||
}
|
||
|
||
$("#toggle-all-docs").on("click", function() {
|
||
var toggle = $("#toggle-all-docs");
|
||
if (toggle.html() == "[−]") {
|
||
toggle.html("[+]");
|
||
toggle.attr("title", "expand all docs");
|
||
$(".docblock").hide();
|
||
$(".toggle-label").show();
|
||
$(".toggle-wrapper").addClass("collapsed");
|
||
$(".collapse-toggle").children(".inner").html("+");
|
||
} else {
|
||
toggle.html("[−]");
|
||
toggle.attr("title", "collapse all docs");
|
||
$(".docblock").show();
|
||
$(".toggle-label").hide();
|
||
$(".toggle-wrapper").removeClass("collapsed");
|
||
$(".collapse-toggle").children(".inner").html("−");
|
||
}
|
||
});
|
||
|
||
$(document).on("click", ".collapse-toggle", function() {
|
||
var toggle = $(this);
|
||
var relatedDoc = toggle.parent().next();
|
||
if (relatedDoc.is(".stability")) {
|
||
relatedDoc = relatedDoc.next();
|
||
}
|
||
if (relatedDoc.is(".docblock")) {
|
||
if (relatedDoc.is(":visible")) {
|
||
relatedDoc.slideUp({duration:'fast', easing:'linear'});
|
||
toggle.parent(".toggle-wrapper").addClass("collapsed");
|
||
toggle.children(".inner").html("+");
|
||
toggle.children(".toggle-label").fadeIn();
|
||
} else {
|
||
relatedDoc.slideDown({duration:'fast', easing:'linear'});
|
||
toggle.parent(".toggle-wrapper").removeClass("collapsed");
|
||
toggle.children(".inner").html("−");
|
||
toggle.children(".toggle-label").hide();
|
||
}
|
||
}
|
||
});
|
||
|
||
$(function() {
|
||
var toggle = $("<a/>", {'href': 'javascript:void(0)', 'class': 'collapse-toggle'})
|
||
.html("[<span class='inner'>−</span>]");
|
||
|
||
$(".method").each(function() {
|
||
if ($(this).next().is(".docblock") ||
|
||
($(this).next().is(".stability") && $(this).next().next().is(".docblock"))) {
|
||
$(this).children().first().after(toggle.clone());
|
||
}
|
||
});
|
||
|
||
var mainToggle =
|
||
$(toggle).append(
|
||
$('<span/>', {'class': 'toggle-label'})
|
||
.css('display', 'none')
|
||
.html(' Expand description'));
|
||
var wrapper = $("<div class='toggle-wrapper'>").append(mainToggle);
|
||
$("#main > .docblock").before(wrapper);
|
||
});
|
||
|
||
$('pre.line-numbers').on('click', 'span', function() {
|
||
var prev_id = 0;
|
||
|
||
function set_fragment(name) {
|
||
if (history.replaceState) {
|
||
history.replaceState(null, null, '#' + name);
|
||
$(window).trigger('hashchange');
|
||
} else {
|
||
location.replace('#' + name);
|
||
}
|
||
}
|
||
|
||
return function(ev) {
|
||
var cur_id = parseInt(ev.target.id);
|
||
|
||
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);
|
||
}
|
||
};
|
||
}());
|
||
|
||
}());
|