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content.js
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content.js
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loadJQuery();
addPrototypeMethods();
// --- Get infos about this script file ---
var scriptElement = document.querySelector('script[src$="static/content.js"]');
var scriptDir = scriptElement.src.substr(0, scriptElement.src.lastIndexOf("/"));
// --- User data ---
var user = {
fontSize: 1.0,
clickTab: 0,
displaySidebar: true,
colorTheme: 1,
collapseQuickRef: false,
};
// --- Cached data ---
// To have the data remain while navigating through the docs, it'll be stored into
// sessionStorage. Fallbacks to window.name if sessionStorage is not supported.
// Note: CHM doesn't support window.localStorage/sessionStorage or cookies.
var cache = {
colorTheme: user.colorTheme,
scriptDir: scriptDir,
fontSize: user.fontSize,
forceNoFrame: false,
forceNoScript: false,
clickTab: user.clickTab,
displaySidebar: user.displaySidebar,
sidebarWidth: "18em",
collapseQuickRef: user.collapseQuickRef,
RightIsFocused: true,
toc_clickItem: null,
toc_clickItemTemp: null,
toc_scrollPos: 0,
index_filter: -1,
index_input: "",
index_clickItem: 0,
index_scrollPos: 0,
search_data: {},
search_highlightWords: false,
search_input: "",
search_clickItem: 0,
search_scrollPos: 0,
load: function () {
if (window.sessionStorage) {
var data = JSON.parse(window.sessionStorage.getItem("data"));
if (!data) return false;
} else
try {
var data = JSON.parse(window.name);
} catch (e) {
return false;
}
if (data.scriptDir != scriptDir) return false;
$.extend(this, data);
return true;
},
save: function () {
if (window.sessionStorage)
window.sessionStorage.setItem("data", JSON.stringify(this));
else window.name = JSON.stringify(this);
},
set: function (prop, value) {
this[prop] = value;
try {
postMessageToFrame("updateCache", [prop, value]);
} catch (e) {}
return value;
},
};
// --- Main Execute Area ---
// Set global variables:
var forceNoScript = forceNoScript || false;
var isCacheLoaded = cache.load();
var workingDir = getWorkingDir();
var relPath = location.href.replace(workingDir, "");
var equivPath = $('meta[name|="ahk:equiv"]').prop("content");
var isInsideCHM = location.href.search(/::/) > 0 ? 1 : 0;
var supportsHistory = history.replaceState && !isInsideCHM;
var isFrameCapable = !cache.forceNoFrame && (isInsideCHM || supportsHistory);
var isInsideFrame = window.self !== window.top;
var isSearchBot = navigator.userAgent.match(/googlebot|bingbot|slurp/i);
var isTouch = !!("ontouchstart" in window) || !!navigator.msMaxTouchPoints;
var isOpera =
(!!window.opr && !!opr.addons) ||
!!window.opera ||
navigator.userAgent.indexOf(" OPR/") >= 0; // Opera 8.0+
var isFirefox = typeof InstallTrigger !== "undefined"; // Firefox 1.0+
var isSafari =
Object.prototype.toString.call(window.HTMLElement).indexOf("Constructor") > 0; // At least Safari 3+: "[object HTMLElementConstructor]"
var isIE = /*@cc_on!@*/ false || !!document.documentMode; // Internet Explorer 6-11
var isIE8 = !-[1]; // Internet Explorer 8 or below
var isEdge = !isIE && !!window.StyleMedia; // Edge 20+
var isChrome =
!!window.chrome && (!!window.chrome.webstore || !!window.chrome.csi); // Chrome 1+
var isBlink = (isChrome || isOpera) && !!window.CSS; // Blink engine detection
var structure = new ctor_structure();
var toc = new ctor_toc();
var index = new ctor_index();
var search = new ctor_search();
var features = new ctor_features();
var translate = { dataPath: scriptDir + "/source/data_translate.js" };
var deprecate = { dataPath: scriptDir + "/source/data_deprecate.js" };
scriptElement.insertAdjacentHTML("afterend", structure.metaViewport);
var isPhone = document.documentElement.clientWidth <= 600;
(function () {
// Exit the script if the user is a search bot. This is done because we want
// to prevent the search bot from parsing the elements added via javascript,
// otherwise the search results would be distorted:
if (isSearchBot) return;
// Get user data:
if (!isCacheLoaded) {
if (isInsideCHM) {
var m = scriptDir.match(/mk:@MSITStore:(.*?)\\[^\\]+\.chm/i);
if (m[1])
loadScript(decodeURI(m[1]) + "\\chm_config.js", function () {
try {
$.extend(cache, overwriteProps(user, config));
setInitialSettings();
} catch (e) {}
});
} else if (window.localStorage) {
config = JSON.parse(window.localStorage.getItem("config"));
$.extend(cache, overwriteProps(user, config));
setInitialSettings();
} else if (navigator.cookieEnabled) {
config = document.cookie.match(/config=([^;]+)/);
config && (config = JSON.parse(config[1]));
$.extend(cache, overwriteProps(user, config));
setInitialSettings();
}
} else setInitialSettings();
function setInitialSettings() {
// font size
if (!isFrameCapable && cache.fontSize != 1)
$("head").append(
"<style>#right .area {font-size:" + cache.fontSize + "em}</style>"
);
// color theme
if (cache.colorTheme) structure.setTheme(cache.colorTheme);
}
// Exit the script on sites which doesn't need the sidebar:
if (forceNoScript || cache.forceNoScript) return;
// Special treatments for pages inside a frame:
if (isFrameCapable) {
if (isInsideFrame) {
if (cache.fontSize != 1)
$("head").append(
"<style>body {font-size:" + cache.fontSize + "em}</style>"
);
normalizeParentURL = function () {
postMessageToParent("normalizeURL", [
$.extend({}, window.location),
document.title,
supportsHistory ? history.state : null,
equivPath,
]);
if (cache.toc_clickItemTemp)
if (supportsHistory)
history.replaceState(
$.extend(history.state, {
toc_clickItemTemp: cache.toc_clickItemTemp,
}),
null,
null
);
cache.set("toc_clickItemTemp", null);
};
normalizeParentURL();
$(window).on("hashchange", normalizeParentURL);
structure.setTheme(cache.colorTheme);
structure.addShortcuts();
structure.addAnchorFlash();
structure.saveCacheBeforeLeaving();
if (!isIE) {
structure.hideFrameBeforeLeaving();
postMessageToParent("unhideFrame", []);
}
$(document).ready(function () {
$("html").attr({ id: "right" });
features.add();
});
$(window).on("message onmessage", function (event) {
var data = JSON.parse(event.originalEvent.data);
switch (data[0]) {
case "updateCache":
if (typeof data[1] === "object") $.extend(cache, data[1]);
else cache[data[1]] = data[2];
break;
case "highlightWords":
search.highlightWords(data[1]);
break;
case "scrollToMatch":
search.scrollToMatch(data[1]);
break;
case "setTheme":
structure.setTheme(data[1]);
break;
}
});
return;
} else {
$(window).on("message onmessage", function (event) {
var data = JSON.parse(event.originalEvent.data);
switch (data[0]) {
case "normalizeURL":
var relPath = data[1].href.replace(workingDir, "");
try {
if (history.replaceState)
history.replaceState(null, null, data[1].href);
} catch (e) {
if (history.replaceState)
history.replaceState(
null,
null,
"?frame=" + encodeURI(relPath).replace(/#/g, "%23")
);
}
document.title = data[2];
if (structure.modifyTools) structure.modifyTools(relPath, data[4]);
if (
$("#left > div.toc li > span.selected a").attr("href") ==
data[1].href
)
break;
else if (data[3] && data[3].toc_clickItemTemp) {
toc.deselect($("#left > div.toc"));
$("#left > div.toc li > span")
.eq(data[3].toc_clickItemTemp)
.trigger("select");
} else toc.preSelect($("#left > div.toc"), data[1]);
break;
case "pressKey":
structure.pressKey(data[1]);
break;
case "updateQuickRef":
structure.updateQuickRef(data[1], data[2]);
break;
case "hideFrame":
$("#right .load").hide().show(0); // reload animation
document.getElementById("frame").className = "hidden";
break;
case "unhideFrame":
document.getElementById("frame").className = "visible";
break;
}
});
$(window).on("hashchange", function () {
structure.openSite(location.href);
});
}
}
// Add elements for sidebar:
structure.build();
// Load current URL into frame:
if (isFrameCapable)
$(document).ready(function () {
if (window.sessionStorage)
window.sessionStorage.setItem("data", JSON.stringify(cache));
else
document.getElementById("frame").contentWindow.name =
JSON.stringify(cache);
structure.openSite(
scriptDir + "/../" + (getUrlParameter("frame") || relPath)
);
});
// Modify the site:
structure.modify();
if (!isFrameCapable) $(document).ready(features.add);
toc.modify();
index.modify();
search.modify();
})();
// --- Constructor: Table of content ---
function ctor_toc() {
var self = this;
self.dataPath = scriptDir + "/source/data_toc.js";
self.create = function (input) {
// Create and add TOC items.
var ul = document.createElement("ul");
for (var i = 0; i < input.length; i++) {
var text = input[i][0];
var path = input[i][1];
var subitems = input[i][2];
if (path != "") {
var el = document.createElement("a");
el.href = workingDir + path;
if (cache.deprecate_data[path]) el.className = "deprecated";
} else var el = document.createElement("button");
if (isIE8) el.innerHTML = text;
else {
el.setAttribute("data-content", text);
el.setAttribute("aria-label", text);
}
var span = document.createElement("span");
span.innerHTML = el.outerHTML;
var li = document.createElement("li");
li.title = text;
if (cache.deprecate_data[path])
li.title +=
"\n\n" +
T("Deprecated. New scripts should use {0} instead.").format(
cache.deprecate_data[path]
);
if (subitems != undefined && subitems.length > 0) {
li.className = "closed";
li.innerHTML = span.outerHTML;
li.innerHTML += self.create(subitems).outerHTML;
} else li.innerHTML = span.outerHTML;
ul.innerHTML += li.outerHTML;
}
return ul;
};
// --- Modify the elements of the TOC tab ---
self.modify = function () {
if (!retrieveData(self.dataPath, "toc_data", "tocData", self.modify))
return;
if (
!retrieveData(
deprecate.dataPath,
"deprecate_data",
"deprecateData",
self.modify
)
)
return;
$toc = $("#left div.toc").html(self.create(cache.toc_data));
$tocList = $toc.find("li > span");
// --- Fold items with subitems ---
$toc.find("li > ul").hide();
// --- Hook up events ---
// Select the item on click:
registerEvent($toc, "click", "li > span", function () {
$this = $(this);
cache.set("toc_clickItem", $tocList.index(this));
cache.set("toc_scrollPos", $toc.scrollTop());
// Fold/unfold item with subitems:
if ($this.parent().has("ul").length) {
$this.siblings("ul").slideToggle(100);
$this.closest("li").toggleClass("closed opened");
}
// Higlight and open item with link:
if ($this.has("a").length) {
self.deselect($toc);
$this.trigger("select");
structure.openSite($this.children("a").attr("href"));
structure.focusContent();
return false;
}
});
// Highlight the item and parents on select:
registerEvent($toc, "select", "li > span", function () {
$this = $(this);
// Highlight the item:
$this.addClass("selected");
// Highlight its parents:
$this.parent("li").has("ul").addClass("highlighted");
$this.parent().parents("li").addClass("highlighted");
// Unfold parent items:
$this.parents("ul").show();
$this
.parents("ul")
.closest("li")
.removeClass("closed")
.addClass("opened");
});
// --- Show scrollbar on mouseover ---
if (!isTouch) {
// if not touch device.
$toc.css("overflow", "hidden").hover(
function () {
$(this).css("overflow", "auto");
},
function () {
$(this).css("overflow", "hidden");
}
);
}
self.preSelect($toc, location);
if (!isFrameCapable || cache.search_input)
$(document).ready(function () {
setTimeout(function () {
self.preSelect($toc, location);
}, 0);
});
};
self.preSelect = function ($toc, url) {
// Apply stored settings.
var tocList = $toc.find("li > span");
var clicked = tocList.eq(cache.toc_clickItem);
var found = null;
var foundList = [];
var foundNoHashList = [];
var url_href =
url.href.slice(-1) == "/" ? url.href + "index.htm" : url.href;
for (var i = 0; i < tocList.length; i++) {
var href = tocList[i].firstChild.href;
if (!href) continue;
// Search for items matching the address:
if (href == url_href) foundList.push($(tocList[i]));
// Search for items matching the address without anchor:
else if (href == url_href.substring(0, url_href.length - url.hash.length))
foundNoHashList.push($(tocList[i]));
}
if (foundList.length) found = $(foundList).map($.fn.toArray);
else if (foundNoHashList.length)
found = $(foundNoHashList).map($.fn.toArray);
var el = found;
// If the last clicked item can be found in the matches, use it instead:
if (clicked.is(found)) el = clicked;
else cache.set("toc_scrollPos", ""); // Force calculated scrolling.
// If items are found:
if (el) {
// Highlight items and parents:
self.deselect($toc);
el.trigger("select");
// Scroll to the last match:
if (cache.toc_scrollPos != "" || cache.toc_scrollPos != 0)
$toc.scrollTop(cache.toc_scrollPos);
if (!isScrolledIntoView(el, $toc)) {
el[el.length - 1].scrollIntoView(false);
$toc.scrollTop($toc.scrollTop() + 100);
}
}
};
self.deselect = function ($toc) {
// Deselect all items.
$toc.find("span.selected").removeClass("selected");
$toc.find(".highlighted").removeClass("highlighted");
};
}
// --- Constructor: Keyword search ---
function ctor_index() {
var self = this;
self.dataPath = scriptDir + "/source/data_index.js";
self.create = function (input, filter) {
// Create and add the index links.
var output = "";
input.sort(function (a, b) {
var textA = a[0].toLowerCase(),
textB = b[0].toLowerCase();
return textA.localeCompare(textB);
});
for (var i = 0, len = input.length; i < len; i++) {
if (filter != -1 && input[i][2] != filter) continue;
var a = document.createElement("a");
a.href = workingDir + input[i][1];
a.setAttribute("tabindex", "-1");
if (isIE8) a.innerHTML = input[i][0];
else {
a.setAttribute("data-content", input[i][0]);
a.setAttribute("aria-label", input[i][0]);
}
output += a.outerHTML;
}
return output;
};
self.modify = function () {
// Modify the elements of the index tab.
if (!retrieveData(self.dataPath, "index_data", "indexData", self.modify))
return;
var $index = $("#left div.index");
var $indexSelect = $index.find(".select select");
var $indexInput = $index.find(".input input");
var $indexList = $index.find("div.list");
// --- Hook up events ---
// Filter list on change:
$indexSelect.on("change", function (e) {
cache.set("index_filter", this.value);
if (this.value == -1) $(this).addClass("empty");
else $(this).removeClass("empty");
$indexList.html(self.create(cache.index_data, this.value));
structure.addEventsForListBoxItems($indexList);
});
// Select closest index entry and show color indicator on input:
$indexInput.on("keyup input", function (e, noskip) {
var $this = $(this);
var prevInput = cache.index_input; // defaults to undefined
var input = cache.set("index_input", $this.val().toLowerCase());
// if no input, remove color indicator and return:
if (!input) {
$this.removeAttr("class");
return;
}
// Skip subsequent index-matching if we have the same query as the last search, to prevent double execution:
if (!noskip && input == prevInput) return;
// Otherwise find the first item which matches the input value:
var indexListChildren = $indexList.children();
var match = self.findMatch(indexListChildren, input);
// Select the found item, scroll to it and add color indicator:
if (match.length) {
match.click();
// Scroll to 5th item below the match to improve readability:
scrollTarget = match.next().next().next().next().next();
if (!scrollTarget.length) {
scrollTarget = indexListChildren.last();
}
scrollTarget[0].scrollIntoView(false);
$this.attr("class", "match"); // 'items found'
} else $this.attr("class", "mismatch"); // 'items not found'
});
$indexSelect.val(cache.index_filter).trigger("change");
self.preSelect($indexList, $indexInput);
if (!isFrameCapable || cache.index_input)
$(document).ready(function () {
setTimeout(function () {
self.preSelect($indexList, $indexInput);
}, 0);
});
};
self.findMatch = function (indexListChildren, input) {
var match = {};
if (!input) return match;
for (var i = 0; i < indexListChildren.length; i++) {
var text = isIE8
? indexListChildren[i].innerText
: indexListChildren[i].getAttribute("data-content");
var listitem = text.substr(0, input.length).toLowerCase();
if (listitem == input) {
match = indexListChildren.eq(i);
break;
}
}
return match;
};
self.preSelect = function ($indexList, $indexInput) {
// Apply stored settings.
var clicked = $indexList.children().eq(cache.index_clickItem);
$indexInput.val(cache.index_input);
if (cache.index_scrollPos == null) $indexInput.trigger("keyup", true);
else {
$indexList.scrollTop(cache.index_scrollPos);
clicked.click();
}
};
}
// --- Constructor: Full text search ---
function ctor_search() {
var self = this;
self.dataPath = scriptDir + "/source/data_search.js";
self.modify = function () {
// Modify the elements of the search tab.
if (
!retrieveData(self.dataPath, "search_index", "SearchIndex", self.modify)
)
return;
if (
!retrieveData(self.dataPath, "search_files", "SearchFiles", self.modify)
)
return;
if (
!retrieveData(self.dataPath, "search_titles", "SearchTitles", self.modify)
)
return;
var $search = $("#left div.search");
var $searchList = $search.find("div.list");
var $searchInput = $search.find(".input input");
var $searchCheckBox = $search.find(".checkbox input");
// --- Hook up events ---
// Refresh the search list and show color indicator on input:
$searchInput.on("keyup input", function (e, noskip) {
var $this = $(this);
var prevInput = cache.search_input; // defaults to undefined
var input = cache.set("search_input", $this.val());
// if no input, empty the search list, remove color indicator and return:
if (!input) {
$searchList.empty();
$this.removeAttr("class");
return;
}
// Skip subsequent search if we have the same query as the last search, to prevent double execution:
if (!noskip && input == prevInput) return;
// Otherwise fill the search list:
cache.set("search_data", self.create(input));
$searchList.html(cache.search_data);
structure.addEventsForListBoxItems($searchList);
// Select the first item and add color indicator:
var searchListChildren = $searchList.children();
if (searchListChildren.length) {
searchListChildren.first().click();
cache.set("search_clickItem", 0);
$this.attr("class", "match"); // 'items found'
} else $this.attr("class", "mismatch"); // 'items not found'
});
self.preSelect($searchList, $searchInput, $searchCheckBox);
if (!isFrameCapable)
setTimeout(function () {
self.preSelect($searchList, $searchInput, $searchCheckBox);
}, 0);
};
self.preSelect = function ($searchList, $searchInput, $searchCheckBox) {
// Apply stored settings.
$searchInput.val(cache.search_input);
if (cache.search_scrollPos == null) $searchInput.trigger("keyup", true);
else {
$searchList.html(cache.search_data);
structure.addEventsForListBoxItems($searchList);
$searchList.scrollTop(cache.search_scrollPos);
$searchList.children().eq(cache.search_clickItem).click();
}
$searchCheckBox.prop("checked", cache.search_highlightWords);
};
self.convertToArray = function (SearchText) {
// Convert text to array.
// Normalize whitespace:
SearchText = SearchText.toLowerCase().replace(/^ +| +$| +(?= )|\+/, "");
if (SearchText == "") return "";
// split and remove undefined or empty strings
else
return $(SearchText.split(" ")).filter(function () {
return !!this;
});
};
self.highlightWords = function (words) {
var content = $(isInsideFrame ? "body" : "#right .area");
if (words) {
var qry = self.convertToArray(words);
for (var i = 0; i < qry.length; i++) {
content.highlight(qry[i]);
}
self.scrollToMatch(); // Scroll to first match.
} else content.removeHighlight();
};
self.scrollToMatch = function (direction) {
var matches = $(isInsideFrame ? "body" : "#right .area").find(
"span.highlight"
);
if (!matches.length) return;
var currMatch = matches.filter(".current");
if (currMatch.length) {
index = matches.index(currMatch) + (direction == "next" ? 1 : -1);
if (index > matches.length - 1) index = 0;
else if (index < 0) index = matches.length - 1;
currMatch.removeClass("current");
} else index = 0;
matches.eq(index).addClass("current");
matches.eq(index)[0].scrollIntoView(isIE8 ? true : { block: "center" });
};
self.create = function (qry) {
// Create search list.
var PartialIndex = {};
var RESULT_LIMIT = 50;
qry = self.convertToArray(qry);
if (qry == "") return;
function file_has_all_words(file_index, words, start) {
for (; start < words.length; ++start) {
var iw = index_partial(words[start]);
if (!iw || iw.indexOf(file_index) == -1) return false;
}
return true;
}
// Get each word from index and clone for modification below:
var all_results = [];
for (var i = 0; i < qry.length; ++i) {
var t = qry[i].replace(/(\(|\(\))$/, ""); // special case for page names ending with ()
var w = index_partial(t);
w = w ? w.slice() : [];
all_results[i] = get_results(w);
}
var ranked = rank_results(all_results, qry);
return append_results(ranked);
// Get normal results for each term:
function get_results(w) {
var c = 0;
var ret = [];
for (var i = 0; i < w.length && c < RESULT_LIMIT; ++i) {
if (!file_has_all_words(w[i], qry, 1)) continue; // Skip files which don't have all the words.
c++;
var f = cache.search_files[w[i]];
// data.files excludes '.htm' to save space, so add it back:
if (f.indexOf("#") != -1) f = f.replace("#", ".htm#");
else f = f + ".htm";
// var ret_i = { u: location.href.replace(/\/docs\/.*/, "/docs/" + f),
var ret_i = { u: f, t: cache.search_titles[w[i]] || f };
ret.push(ret_i);
}
return ret;
}
function rank_results(aro, terms) {
// Organize the info:
var aro_k = [];
var aro_ua = [];
var aro_ka = [];
for (var i = 0; i < aro.length; ++i) {
aro_k[i] = [];
if (aro[i] === undefined) {
continue;
}
for (var j = 0; j < aro[i].length; ++j) {
aro_k[i].push(aro[i][j].t);
aro_ka.push(aro[i][j].t);
aro_ua[aro[i][j].t] = aro[i][j].u;
}
}
// Assemble list of unique results:
var ukeys = [];
for (var i = 0; i < aro_ka.length; ++i)
if (ukeys.indexOf(aro_ka[i]) == -1) ukeys.push(aro_ka[i]);
// The lower the rank the better
// normal ranking (based on page contents):
var uranks = [];
for (var i = 0; i < ukeys.length; ++i) {
uranks[ukeys[i]] = [];
for (var j = 0; j < aro_k.length; ++j) {
uranks[ukeys[i]][j] = ukeys[i].indexOf(aro_k[j]);
}
}
// Added ranking (based on page names)
// and calculate the ranks:
for (var i = 0; i < ukeys.length; ++i) {
var name = ukeys[i];
var tmp = uranks[name];
// If the name contains any of the search terms:
if (anyContains(name.toLowerCase(), terms)) {
tmp.push(0); // Give it a better rank.
} else {
tmp.push(1, 8); // Give it a worse rank, Tweakable!
}
uranks[name] = array_avg(tmp);
}
// Sort results by rank average and finalize:
var ret = [];
for (var i = 0; i < ukeys.length; ++i) {
var name = ukeys[i];
var url = aro_ua[name];
var avg = uranks[name];
ret.push({ n: name, u: url, a: avg });
}
ret.sort(function (a, b) {
return a.a - b.a;
});
ret.slice(0, RESULT_LIMIT);
return ret;
}
function array_avg(arr) {
var sum = 0;
var total = arr.length;
for (var j = 0; j < arr.length; ++j) {
if (arr[j] < 0 || arr[j - 1] == arr[j])
total -= 1; // Give a worse rank, duplicate ranks are ignored.
else sum += arr[j];
}
return sum / total;
}
function anyContains(str, arr) {
// http://stackoverflow.com/a/5582640/883015
for (var i = 0, len = arr.length; i < len; ++i) {
if (str.indexOf(arr[i]) != -1) return 1;
}
return 0;
}
function append_results(ro) {
var output = "";
for (var t = 0; t < ro.length && t < RESULT_LIMIT; ++t) {
var a = document.createElement("a");
a.href = workingDir + ro[t].u;
a.setAttribute("tabindex", "-1");
if (isIE8) a.innerHTML = ro[t].n;
else {
a.setAttribute("data-content", ro[t].n);
a.setAttribute("aria-label", ro[t].n);
}
output += a.outerHTML;
}
return output;
}
function decode_numbers(a) {
// Decode a string of [a-zA-Z] based 'numbers'
var n = [];
for (i = 0; i < a.length; i += 2) n.push(decode_number(a.substr(i, 2)));
return n;
}
function decode_number(a) {
// Decode a number encoded by encode_number() in build_search.ahk:
var n = 0,
c;
for (var i = 0; i < a.length; ++i) {
c = a.charCodeAt(i);
n = n * 52 + c - (c >= 97 && c <= 122 ? 97 : 39);
}
return n;
}
function index_whole(word) {
// Return a word from the index, decoding the list of files
// if it hasn't been decoded already:
var files = cache.search_index[word];
if (typeof files == "string") {
files = decode_numbers(files);
cache.search_index[word] = files;
}
return files;
}
function index_partial(word) {
if (word[0] == "+")
// + prefix disables partial matching.
return index_whole(word.substr(1));
// Check if we've already indexed this partial word.
var files = PartialIndex[word];
if (files !== undefined) return files;
// Find all words in search.index which *contain* this word
// and cache the result.
files = [];
var files_low = [];
for (iw in cache.search_index) {
var p = iw.indexOf(word);
if (p != -1)
files.push.apply(p == 0 ? files : files_low, index_whole(iw));
}
files = files.concat(files_low);
var unique = [];
for (var i = 0; i < files.length; ++i)
if (unique.indexOf(files[i]) == -1) unique.push(files[i]);
PartialIndex[word] = unique;
return unique;
}
};
}
// --- Constructor: Navigation structure ---
function ctor_structure() {
var self = this;
self.metaViewport =
'<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0">';
self.modify = function () {
// Modify elements added via build.
if (
!retrieveData(
translate.dataPath,
"translate_data",
"translateData",
self.modify
)
)
return;
// --- If phone, hide and overlap sidebar ---
if (isPhone) {
self.displaySidebar(false);
$("#left").addClass("phone");
}
// --- Add events ---
self.saveCacheBeforeLeaving();
self.addShortcuts();
self.addAnchorFlash();
if (!isFrameCapable) self.setKeyboardFocus();
if (supportsHistory) {
self.saveSiteStateBeforeLeaving();
self.scrollToPosOnHashChange();
self.saveScrollPosOnScroll();
}
// --- Translate elements with data-translate attribute (value 1 for content only, 2 for attributes only) ---
$("#head")
.add($("#left"))
.find("*[data-translate]")
.each(function () {
var $this = $(this);
var elContent = $this.text();
var attrTitleValue = $this.attr("title");
var attrPlaceholder = $this.attr("placeholder");
var attrAriaLabelValue = $this.attr("aria-label");
var attrDataContentValue = $this.attr("data-content");
var attrDataTranslateValue = $this.attr("data-translate");
if (!attrDataTranslateValue || attrDataTranslateValue == 1) {
if (elContent != "") $this.text(T(elContent));
if (typeof attrDataContentValue !== "undefined")
$this.attr("data-content", T(attrDataContentValue));
}
if (!attrDataTranslateValue || attrDataTranslateValue == 2) {
if (typeof attrTitleValue !== "undefined")
$this.attr("title", T(attrTitleValue));
if (typeof attrPlaceholder !== "undefined")
$this.attr("placeholder", T(attrPlaceholder));
}
if (attrAriaLabelValue) {
var value = $this.attr(attrAriaLabelValue);
$this.attr("aria-label", T(value || attrAriaLabelValue));
}
});
// --- Show/Hide selection lists on click ---
$("#head .h-tools li:has(.dropdown)").on("click", function () {
$this = $(this);
$dropdown = $this.children(".dropdown");
$("#head .h-tools .dropdown")
.not($dropdown)
.animate({ height: "hide" }, 100);
$("#head .h-tools li").not($this).removeClass("selected");
$dropdown.animate({ height: "toggle" }, 100);
$this.toggleClass("selected");
});
// --- Main tools (always visible) ---
var $main = $("#head .h-tools.sidebar").add("#head .h-tools.main");
$main.find("li.sidebar").on("click", function () {
self.displaySidebar(!cache.displaySidebar);
});
$main.find("li.settings").on("click", function () {
structure.openSite(scriptDir + "/../settings.htm");
});
$main.find("li.color").on("click", function () {
cache.set("colorTheme", cache.colorTheme ? 0 : 1);
structure.setTheme(cache.colorTheme);
if (isFrameCapable) postMessageToFrame("setTheme", [cache.colorTheme]);
});
// --- Online tools (only visible if help is not CHM) ---
var $online = $("#head .h-tools.online");
// Set language code and version:
var lang = T("en"),
ver = T("v1");
// language links. Keys are based on ISO 639-1 language name standard:
var link = {
v1: {
en: "https://www.autohotkey.com/docs/v1/",
de: "https://ahkde.github.io/docs/v1/",
ko: "https://ahkscript.github.io/ko/docs/",
pt: "https://ahkscript.github.io/pt/docs/",
zh: "https://wyagd001.github.io/zh-cn/docs/",
},
v2: {
en: "https://www.autohotkey.com/docs/v2/",
de: "https://ahkde.github.io/docs/v2/",
ja: "https://ahkscript.github.io/ja/docs/v2/",
zh: "https://wyagd001.github.io/v2/docs/",
},
};
var $langList = $online.find("ul.languages");
var $verList = $online.find("ul.versions");