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main.js
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/*!
* Copyright 2014 The Rust Project Developers. See the COPYRIGHT
* file at the top-level directory of this distribution and at
* http://rust-lang.org/COPYRIGHT.
*
* Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
* http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
* <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
* option. This file may not be copied, modified, or distributed
* except according to those terms.
*/
/*jslint browser: true, es5: true */
/*globals $: true, rootPath: true */
(function() {
"use strict";
// This mapping table should match the discriminants of
// `rustdoc::html::item_type::ItemType` type in Rust.
var itemTypes = ["mod",
"externcrate",
"import",
"struct",
"enum",
"fn",
"type",
"static",
"trait",
"impl",
"tymethod",
"method",
"structfield",
"variant",
"macro",
"primitive",
"associatedtype",
"constant",
"associatedconstant",
"union",
"foreigntype",
"keyword"];
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 themesWidth = null;
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;
};
}
function getPageId() {
var id = document.location.href.split('#')[1];
if (id) {
return id.split('?')[0].split('&')[0];
}
return null;
}
function hasClass(elem, className) {
if (elem && className && elem.className) {
var elemClass = elem.className;
var start = elemClass.indexOf(className);
if (start === -1) {
return false;
} else if (elemClass.length === className.length) {
return true;
} else {
if (start > 0 && elemClass[start - 1] !== ' ') {
return false;
}
var end = start + className.length;
return !(end < elemClass.length && elemClass[end] !== ' ');
}
if (start > 0 && elemClass[start - 1] !== ' ') {
return false;
}
var end = start + className.length;
return !(end < elemClass.length && elemClass[end] !== ' ');
}
return false;
}
function addClass(elem, className) {
if (elem && className && !hasClass(elem, className)) {
if (elem.className && elem.className.length > 0) {
elem.className += ' ' + className;
} else {
elem.className = className;
}
}
}
function removeClass(elem, className) {
if (elem && className && elem.className) {
elem.className = (" " + elem.className + " ").replace(" " + className + " ", " ")
.trim();
}
}
function isHidden(elem) {
return (elem.offsetParent === null)
}
function showSidebar() {
var elems = document.getElementsByClassName("sidebar-elems")[0];
if (elems) {
addClass(elems, "show-it");
}
var sidebar = document.getElementsByClassName('sidebar')[0];
if (sidebar) {
addClass(sidebar, 'mobile');
var filler = document.getElementById("sidebar-filler");
if (!filler) {
var div = document.createElement("div");
div.id = "sidebar-filler";
sidebar.appendChild(div);
}
}
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");
onEach(document.getElementsByClassName('js-only'), function(e) {
removeClass(e, 'js-only');
});
function getQueryStringParams() {
var params = {};
window.location.search.substring(1).split("&").
map(function(s) {
var pair = s.split("=");
params[decodeURIComponent(pair[0])] =
typeof pair[1] === "undefined" ? null : decodeURIComponent(pair[1]);
});
return params;
}
function browserSupportsHistoryApi() {
return document.location.protocol != "file:" &&
window.history && typeof window.history.pushState === "function";
}
function highlightSourceLines(ev) {
// If we're in mobile mode, we should add the sidebar in any case.
hideSidebar();
var search = document.getElementById("search");
var i, from, to, match = window.location.hash.match(/^#?(\d+)(?:-(\d+))?$/);
if (match) {
from = parseInt(match[1], 10);
to = Math.min(50000, parseInt(match[2] || match[1], 10));
from = Math.min(from, to);
var elem = document.getElementById(from);
if (!elem) {
return;
}
if (ev === null) {
var x = document.getElementById(from);
if (x) {
x.scrollIntoView();
}
}
onEach(document.getElementsByClassName('line-numbers'), function(e) {
onEach(e.getElementsByTagName('span'), function(i_e) {
removeClass(i_e, 'line-highlighted');
});
});
for (i = from; i <= to; ++i) {
addClass(document.getElementById(i), 'line-highlighted');
}
} else if (ev !== null && search && !hasClass(search, "hidden") && ev.newURL) {
addClass(search, "hidden");
removeClass(document.getElementById("main"), "hidden");
var hash = ev.newURL.slice(ev.newURL.indexOf('#') + 1);
if (browserSupportsHistoryApi()) {
history.replaceState(hash, "", "?search=#" + hash);
}
var elem = document.getElementById(hash);
if (elem) {
elem.scrollIntoView();
}
}
}
highlightSourceLines(null);
window.onhashchange = highlightSourceLines;
// Gets the human-readable string for the virtual-key code of the
// given KeyboardEvent, ev.
//
// This function is meant as a polyfill for KeyboardEvent#key,
// since it is not supported in Trident. We also test for
// KeyboardEvent#keyCode because the handleShortcut handler is
// also registered for the keydown event, because Blink doesn't fire
// keypress on hitting the Escape key.
//
// So I guess you could say things are getting pretty interoperable.
function getVirtualKey(ev) {
if ("key" in ev && typeof ev.key != "undefined")
return ev.key;
var c = ev.charCode || ev.keyCode;
if (c == 27)
return "Escape";
return String.fromCharCode(c);
}
function displayHelp(display, ev) {
if (display === true) {
if (hasClass(help, "hidden")) {
ev.preventDefault();
removeClass(help, "hidden");
addClass(document.body, "blur");
}
} else if (!hasClass(help, "hidden")) {
ev.preventDefault();
addClass(help, "hidden");
removeClass(document.body, "blur");
}
}
function handleEscape(ev, help) {
hideModal();
var search = document.getElementById("search");
if (!hasClass(help, "hidden")) {
displayHelp(false, ev);
} else if (!hasClass(search, "hidden")) {
ev.preventDefault();
addClass(search, "hidden");
removeClass(document.getElementById("main"), "hidden");
}
defocusSearchBar();
}
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);
hideModal();
ev.preventDefault();
focusSearchBar();
break;
case "+":
case "-":
ev.preventDefault();
toggleAllDocs();
break;
case "?":
if (ev.shiftKey) {
hideModal();
displayHelp(true, ev);
}
break;
}
}
}
document.onkeypress = handleShortcut;
document.onkeydown = handleShortcut;
document.onclick = function(ev) {
if (hasClass(ev.target, 'collapse-toggle')) {
collapseDocs(ev.target, "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")) {
addClass(document.getElementById("help"), "hidden");
removeClass(document.body, "blur");
}
};
var x = document.getElementsByClassName('version-selector');
if (x.length > 0) {
x[0].onchange = function() {
var i, match,
url = document.location.href,
stripped = '',
len = rootPath.match(/\.\.\//g).length + 1;
for (i = 0; i < len; ++i) {
match = url.match(/\/[^\/]*$/);
if (i < len - 1) {
stripped = match[0] + stripped;
}
url = url.substring(0, url.length - match[0].length);
}
url += '/' + document.getElementsByClassName('version-selector')[0].value + stripped;
document.location.href = url;
};
}
/**
* A function to compute the Levenshtein distance between two strings
* Licensed under the Creative Commons Attribution-ShareAlike 3.0 Unported
* Full License can be found at http://creativecommons.org/licenses/by-sa/3.0/legalcode
* This code is an unmodified version of the code written by Marco de Wit
* and was found at http://stackoverflow.com/a/18514751/745719
*/
var levenshtein_row2 = [];
function levenshtein(s1, s2) {
if (s1 === s2) {
return 0;
}
var s1_len = s1.length, s2_len = s2.length;
if (s1_len && s2_len) {
var i1 = 0, i2 = 0, a, b, c, c2, row = levenshtein_row2;
while (i1 < s1_len) {
row[i1] = ++i1;
}
while (i2 < s2_len) {
c2 = s2.charCodeAt(i2);
a = i2;
++i2;
b = i2;
for (i1 = 0; i1 < s1_len; ++i1) {
c = a + (s1.charCodeAt(i1) !== c2 ? 1 : 0);
a = row[i1];
b = b < a ? (b < c ? b + 1 : c) : (a < c ? a + 1 : c);
row[i1] = b;
}
}
return b;
}
return s1_len + s2_len;
}
function initSearch(rawSearchIndex) {
var currentResults, index, searchIndex;
var MAX_LEV_DISTANCE = 3;
var MAX_RESULTS = 200;
var params = getQueryStringParams();
// Populate search bar with query string search term when provided,
// but only if the input bar is empty. This avoid the obnoxious issue
// where you start trying to do a search, and the index loads, and
// suddenly your search is gone!
if (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]
* @return {[type]} [A search index of results]
*/
function execQuery(query, searchWords) {
function itemTypeFromName(typename) {
for (var i = 0; i < itemTypes.length; ++i) {
if (itemTypes[i] === typename) {
return i;
}
}
return -1;
}
var valLower = query.query.toLowerCase(),
val = valLower,
typeFilter = itemTypeFromName(query.type),
results = {}, results_in_args = {}, results_returned = {},
split = valLower.split("::");
for (var z = 0; z < split.length; ++z) {
if (split[z] === "") {
split.splice(z, 1);
z -= 1;
}
}
function transformResults(results, isType) {
var out = [];
for (i = 0; i < results.length; ++i) {
if (results[i].id > -1) {
var obj = searchIndex[results[i].id];
obj.lev = results[i].lev;
if (isType !== true || obj.type) {
var res = buildHrefAndPath(obj);
obj.displayPath = pathSplitter(res[0]);
obj.fullPath = obj.displayPath + obj.name;
if (obj.ty === TY_KEYWORD) {
// To be sure than it isn't considered as duplicate with items.
obj.fullPath += '|k';
}
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 nresults = results.length;
for (var i = 0; i < nresults; ++i) {
results[i].word = searchWords[results[i].id];
results[i].item = searchIndex[results[i].id] || {};
}
// if there are no results then return to default and fail
if (results.length === 0) {
return [];
}
results.sort(function(aaa, bbb) {
var a, b;
// Sort by non levenshtein results and then levenshtein results by the distance
// (less changes required to match means higher rankings)
a = (aaa.lev);
b = (bbb.lev);
if (a !== b) { return a - b; }
// sort by crate (non-current crate goes later)
a = (aaa.item.crate !== window.currentCrate);
b = (bbb.item.crate !== window.currentCrate);
if (a !== b) { return a - b; }
// sort by exact match (mismatch goes later)
a = (aaa.word !== valLower);
b = (bbb.word !== valLower);
if (a !== b) { return a - b; }
// sort by item name length (longer goes later)
a = aaa.word.length;
b = bbb.word.length;
if (a !== b) { return a - b; }
// sort by item name (lexicographically larger goes later)
a = aaa.word;
b = bbb.word;
if (a !== b) { return (a > b ? +1 : -1); }
// sort by index of keyword in item name (no literal occurrence goes later)
a = (aaa.index < 0);
b = (bbb.index < 0);
if (a !== b) { return a - b; }
// (later literal occurrence, if any, goes later)
a = aaa.index;
b = bbb.index;
if (a !== b) { return a - b; }
// special precedence for primitive and keyword pages
if ((aaa.item.ty === TY_PRIMITIVE && bbb.item.ty !== TY_KEYWORD) ||
(aaa.item.ty === TY_KEYWORD && bbb.item.ty !== TY_PRIMITIVE)) {
return -1;
}
if ((bbb.item.ty === TY_PRIMITIVE && aaa.item.ty !== TY_PRIMITIVE) ||
(bbb.item.ty === TY_KEYWORD && aaa.item.ty !== TY_KEYWORD)) {
return 1;
}
// sort by description (no description goes later)
a = (aaa.item.desc === '');
b = (bbb.item.desc === '');
if (a !== b) { return a - b; }
// sort by type (later occurrence in `itemTypes` goes later)
a = aaa.item.ty;
b = bbb.item.ty;
if (a !== b) { return a - b; }
// sort by path (lexicographically larger goes later)
a = aaa.item.path;
b = bbb.item.path;
if (a !== b) { return (a > b ? +1 : -1); }
// que sera, sera
return 0;
});
for (var i = 0; i < results.length; ++i) {
var result = results[i];
// this validation does not make sense when searching by types
if (result.dontValidate) {
continue;
}
var name = result.item.name.toLowerCase(),
path = result.item.path.toLowerCase(),
parent = result.item.parent;
if (isType !== true &&
validateResult(name, path, split, parent) === false)
{
result.id = -1;
}
}
return transformResults(results);
}
function extractGenerics(val) {
val = val.toLowerCase();
if (val.indexOf('<') !== -1) {
var values = val.substring(val.indexOf('<') + 1, val.lastIndexOf('>'));
return {
name: val.substring(0, val.indexOf('<')),
generics: values.split(/\s*,\s*/),
};
}
return {
name: val,
generics: [],
};
}
function checkGenerics(obj, val) {
// The names match, but we need to be sure that all generics kinda
// match as well.
var lev_distance = MAX_LEV_DISTANCE + 1;
if (val.generics.length > 0) {
if (obj.g && obj.g.length >= val.generics.length) {
var elems = obj.g.slice(0);
var total = 0;
var done = 0;
// We need to find the type that matches the most to remove it in order
// to move forward.
for (var y = 0; y < val.generics.length; ++y) {
var lev = { pos: -1, lev: MAX_LEV_DISTANCE + 1};
for (var x = 0; x < elems.length; ++x) {
var tmp_lev = levenshtein(elems[x], val.generics[y]);
if (tmp_lev < lev.lev) {
lev.lev = tmp_lev;
lev.pos = x;
}
}
if (lev.pos !== -1) {
elems.splice(lev.pos, 1);
lev_distance = Math.min(lev.lev, lev_distance);
total += lev.lev;
done += 1;
} else {
return MAX_LEV_DISTANCE + 1;
}
}
return lev_distance;//Math.ceil(total / done);
}
}
return MAX_LEV_DISTANCE + 1;
}
// Check for type name and type generics (if any).
function checkType(obj, val, literalSearch) {
var lev_distance = MAX_LEV_DISTANCE + 1;
if (obj.n === val.name) {
if (literalSearch === true) {
if (val.generics && val.generics.length !== 0) {
if (obj.g && obj.length >= val.generics.length) {
var elems = obj.g.slice(0);
var allFound = true;
var x;
for (var y = 0; allFound === true && y < val.generics.length; ++y) {
allFound = false;
for (x = 0; allFound === false && x < elems.length; ++x) {
allFound = elems[x] === val.generics[y];
}
if (allFound === true) {
elems.splice(x - 1, 1);
}
}
if (allFound === true) {
return true;
}
} else {
return false;
}
}
return true;
}
// If the type has generics but don't match, then it won't return at this point.
// Otherwise, `checkGenerics` will return 0 and it'll return.
if (obj.g && obj.g.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.g && obj.g.length > 0) {
for (var x = 0; x < obj.g.length; ++x) {
if (obj.g[x] === val.name) {
return true;
}
}
}
return false;
}
var lev_distance = Math.min(levenshtein(obj.n, val.name), lev_distance);
if (lev_distance <= MAX_LEV_DISTANCE) {
lev_distance = Math.min(checkGenerics(obj, val), lev_distance);
} else if (obj.g && obj.g.length > 0) {
// We can check if the type we're looking for is inside the generics!
for (var x = 0; x < obj.g.length; ++x) {
lev_distance = Math.min(levenshtein(obj.g[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.i && obj.type.i.length > 0) {
for (var i = 0; i < obj.type.i.length; i++) {
var tmp = checkType(obj.type.i[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.o) {
var tmp = checkType(obj.type.o, val, literalSearch);
if (literalSearch === true && tmp === true) {
return true;
}
lev_distance = Math.min(tmp, lev_distance);
if (lev_distance === 0) {
return 0;
}
}
return literalSearch === true ? false : lev_distance;
}
function checkPath(startsWith, lastElem, ty) {
if (startsWith.length === 0) {
return 0;
}
var ret_lev = MAX_LEV_DISTANCE + 1;
var path = ty.path.split("::");
if (ty.parent && ty.parent.name) {
path.push(ty.parent.name.toLowerCase());
}
if (startsWith.length > path.length) {
return MAX_LEV_DISTANCE + 1;
}
for (var i = 0; i < path.length; ++i) {
if (i + startsWith.length > path.length) {
break;
}
var lev_total = 0;
var aborted = false;
for (var x = 0; x < startsWith.length; ++x) {
var lev = levenshtein(path[i + x], startsWith[x]);
if (lev > MAX_LEV_DISTANCE) {
aborted = true;
break;
}
lev_total += lev;
}
if (aborted === false) {
ret_lev = Math.min(ret_lev, Math.round(lev_total / startsWith.length));
}
}
return ret_lev;
}
function typePassesFilter(filter, type) {
// No filter
if (filter < 0) return true;
// Exact match
if (filter === type) return true;
// Match related items
var name = itemTypes[type];
switch (itemTypes[filter]) {
case "constant":
return (name == "associatedconstant");
case "fn":
return (name == "method" || name == "tymethod");
case "type":
return (name == "primitive" || 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;
if ((val.charAt(0) === "\"" || val.charAt(0) === "'") &&
val.charAt(val.length - 1) === val.charAt(0))
{
val = extractGenerics(val.substr(1, val.length - 2));
for (var i = 0; i < nSearchWords; ++i) {
var in_args = findArg(searchIndex[i], val, true);
var returned = checkReturned(searchIndex[i], val, true);
var ty = searchIndex[i];
var fullId = generateId(ty);
if (searchWords[i] === val.name) {
// filter type: ... queries
if (typePassesFilter(typeFilter, searchIndex[i].ty) &&
results[fullId] === undefined)
{
results[fullId] = {id: i, index: -1};
}
} else if ((in_args === true || returned === true) &&
typePassesFilter(typeFilter, searchIndex[i].ty)) {
if (in_args === true || returned === true) {
if (in_args === true) {
results_in_args[fullId] = {
id: i,
index: -1,
dontValidate: true,
};
}
if (returned === true) {
results_returned[fullId] = {
id: i,
index: -1,
dontValidate: true,
};
}
} else {
results[fullId] = {
id: i,
index: -1,
dontValidate: true,
};
}
}
}
query.inputs = [val];
query.output = val;
query.search = val;
// searching by type
} else if (val.search("->") > -1) {
var trimmer = function(s) { return s.trim(); };
var parts = val.split("->").map(trimmer);
var input = parts[0];
// sort inputs so that order does not matter
var inputs = input.split(",").map(trimmer).sort();
for (var i = 0; i < inputs.length; ++i) {
inputs[i] = extractGenerics(inputs[i]);
}
var output = extractGenerics(parts[1]);
for (var i = 0; i < nSearchWords; ++i) {
var type = searchIndex[i].type;
var ty = searchIndex[i];
if (!type) {
continue;
}
var fullId = generateId(ty);
// allow searching for void (no output) functions as well
var typeOutput = type.o ? type.o.name : "";
var returned = checkReturned(ty, output, true);
if (output.name === "*" || returned === true) {
var in_args = false;
var module = false;
if (input === "*") {
module = true;
} else {
var allFound = true;
for (var it = 0; allFound === true && it < inputs.length; it++) {
allFound = checkType(type, inputs[it], true);
}
in_args = allFound;
}
if (in_args === true) {
results_in_args[fullId] = {
id: i,
index: -1,
dontValidate: true,
};
}
if (returned === true) {
results_returned[fullId] = {
id: i,
index: -1,
dontValidate: true,
};
}
if (module === true) {
results[fullId] = {
id: i,
index: -1,
dontValidate: true,
};
}
}
}
query.inputs = inputs.map(function(input) {
return input.name;
});
query.output = output.name;
} else {
query.inputs = [val];
query.output = val;
query.search = val;
// gather matching search results up to a certain maximum
val = val.replace(/\_/g, "");
var valGenerics = extractGenerics(val);
var paths = valLower.split("::");
var j;
for (j = 0; j < paths.length; ++j) {
if (paths[j] === "") {
paths.splice(j, 1);
j -= 1;
}
}
val = paths[paths.length - 1];
var startsWith = paths.slice(0, paths.length > 1 ? paths.length - 1 : 1);
for (j = 0; j < nSearchWords; ++j) {
var lev_distance;
var ty = searchIndex[j];
if (!ty) {
continue;
}
var lev_add = 0;
if (paths.length > 1) {
var lev = checkPath(startsWith, paths[paths.length - 1], ty);
if (lev > MAX_LEV_DISTANCE) {
continue;
} else if (lev > 0) {
lev_add = 1;
}
}
var returned = MAX_LEV_DISTANCE + 1;
var in_args = MAX_LEV_DISTANCE + 1;
var index = -1;
// we want lev results to go lower than others
var lev = MAX_LEV_DISTANCE + 1;
var fullId = generateId(ty);
if (searchWords[j].indexOf(split[i]) > -1 ||
searchWords[j].indexOf(val) > -1 ||
searchWords[j].replace(/_/g, "").indexOf(val) > -1)
{
// filter type: ... queries
if (typePassesFilter(typeFilter, ty.ty) && results[fullId] === undefined) {
index = searchWords[j].replace(/_/g, "").indexOf(val);
}
}
if ((lev = levenshtein(searchWords[j], val)) <= MAX_LEV_DISTANCE) {
if (typePassesFilter(typeFilter, ty.ty) === false) {
lev = MAX_LEV_DISTANCE + 1;
} else {
lev += 1;
}
}
if ((in_args = findArg(ty, valGenerics)) <= MAX_LEV_DISTANCE) {
if (typePassesFilter(typeFilter, ty.ty) === false) {
in_args = MAX_LEV_DISTANCE + 1;
}
}
if ((returned = checkReturned(ty, valGenerics)) <= MAX_LEV_DISTANCE) {
if (typePassesFilter(typeFilter, ty.ty) === false) {
returned = MAX_LEV_DISTANCE + 1;
}
}
lev += lev_add;
if (lev > 0 && val.length > 3 && searchWords[j].startsWith(val)) {
if (val.length < 6) {
lev -= 1;
} else {
lev = 0;
}
}
if (in_args <= MAX_LEV_DISTANCE) {
if (results_in_args[fullId] === undefined) {
results_in_args[fullId] = {
id: j,
index: index,
lev: in_args,
};
}
results_in_args[fullId].lev =
Math.min(results_in_args[fullId].lev, in_args);