r4sas/webogram-i2p
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Improved emoji regex

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Faster match emojis in big messages
This commit is contained in:
Igor Zhukov 2015-02-13 14:54:53 +03:00
parent a101ce05ad
commit 264c14c9f4
1 changed files with 20 additions and 8 deletions
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28
app/js/services.js
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@ -3495,15 +3495,15 @@ angular.module('myApp.services', ['myApp.i18n', 'izhukov.utils'])
.service('RichTextProcessor', function ($sce, $sanitize) {
var emojiUtf = [],
emojiMap = {},
var emojiMap = {},
emojiData = Config.Emoji,
emojiIconSize = 18,
emojiSupported = navigator.userAgent.search(/OS X|iPhone|iPad|iOS|Android/i) != -1,
emojiCode;
var emojiRegex = '\\u0023\\u20E3|\\u00a9|\\u00ae|\\u203c|\\u2049|\\u2139|[\\u2194-\\u2199]|\\u21a9|\\u21aa|\\u231a|\\u231b|\\u23e9|[\\u23ea-\\u23ec]|\\u23f0|\\u24c2|\\u25aa|\\u25ab|\\u25b6|\\u2611|\\u2614|\\u26fd|\\u2705|\\u2709|[\\u2795-\\u2797]|\\u27a1|\\u27b0|\\u27bf|\\u2934|\\u2935|[\\u2b05-\\u2b07]|\\u2b1b|\\u2b1c|\\u2b50|\\u2b55|\\u3030|\\u303d|\\u3297|\\u3299|[\\uE000-\\uF8FF\\u270A-\\u2764\\u2122\\u25C0\\u25FB-\\u25FE\\u2615\\u263a\\u2648-\\u2653\\u2660-\\u2668\\u267B\\u267F\\u2693\\u261d\\u26A0-\\u26FA\\u2708\\u2702\\u2601\\u260E]|[\\u2600\\u26C4\\u26BE\\u23F3\\u2764]|\\uD83D[\\uDC00-\\uDFFF]|\\uD83C[\\uDDE8-\\uDDFA\uDDEC]\\uD83C[\\uDDEA-\\uDDFA\uDDE7]|[0-9]\\u20e3|\\uD83C[\\uDC00-\\uDFFF]';
for (emojiCode in emojiData) {
emojiUtf.push(emojiData[emojiCode][0]);
emojiMap[emojiData[emojiCode][0]] = emojiCode;
}
@ -3554,7 +3554,7 @@ angular.module('myApp.services', ['myApp.i18n', 'izhukov.utils'])
// resource path
"(?:/(?:\\S*[^\s.;,(){}<>\"'])?)?";
var regExp = new RegExp('(^|\\s)((?:https?://)?telegram\\.me/|@)([a-zA-Z\\d_]{5,32})|(' + urlRegex + ')|(\\n)|(' + emojiUtf.join('|') + ')|(^|\\s)(#[' + regexAlphaNumericChars + ']{2,20})', 'i');
var regExp = new RegExp('(^|\\s)((?:https?://)?telegram\\.me/|@)([a-zA-Z\\d_]{5,32})|(' + urlRegex + ')|(\\n)|(' + emojiRegex + ')|(^|\\s)(#[' + regexAlphaNumericChars + ']{2,20})', 'i');
var emailRegex = /^(([^<>()[\]\\.,;:\s@\"]+(\.[^<>()[\]\\.,;:\s@\"]+)*)|(\".+\"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$/;
var youtubeRegex = /^(?:https?:\/\/)?(?:www\.)?youtu(?:|\.be|be\.com|\.b)(?:\/v\/|\/watch\\?v=|e\/|(?:\/\??#)?\/watch(?:.+)v=)(.{11})(?:\&[^\s]*)?/;
@ -3593,8 +3593,6 @@ angular.module('myApp.services', ['myApp.i18n', 'izhukov.utils'])
options = options || {};
text = text.replace(/\ufe0f/g, '', text);
var match,
raw = text,
html = [],
@ -3603,6 +3601,8 @@ angular.module('myApp.services', ['myApp.i18n', 'izhukov.utils'])
emojiTitle,
emojiCoords;
// var start = tsNow();
while ((match = raw.match(regExp))) {
html.push(encodeEntities(raw.substr(0, match.index)));
@ -3700,11 +3700,17 @@ angular.module('myApp.services', ['myApp.i18n', 'izhukov.utils'])
html.push(encodeEntities(raw));
// var timeDiff = tsNow() - start;
// if (timeDiff > 1) {
// console.log(dT(), 'wrap text', text.length, timeDiff);
// }
text = $sanitize(html.join(''));
// console.log(3, text, html);
if (emojiFound) {
text = text.replace(/\ufe0f/g, '', text);
text = text.replace(/<span class="emoji emoji-(\d)-(\d+)-(\d+)"(.+?)<\/span>/g,
'<span class="emoji emoji-spritesheet-$1" style="background-position: -$2px -$3px;" $4</span>');
}
@ -3887,6 +3893,7 @@ angular.module('myApp.services', ['myApp.i18n', 'izhukov.utils'])
var langNotificationsPluralize = _.pluralize('page_title_pluralize_notifications');
var titleBackup = document.title,
titleChanged = false,
titlePromise;
var prevFavicon;
@ -3897,6 +3904,7 @@ angular.module('myApp.services', ['myApp.i18n', 'izhukov.utils'])
if (!Config.Navigator.mobile) {
$interval.cancel(titlePromise);
if (!newVal) {
titleChanged = false;
document.title = titleBackup;
setFavicon();
} else {
@ -3905,9 +3913,13 @@ angular.module('myApp.services', ['myApp.i18n', 'izhukov.utils'])
titlePromise = $interval(function () {
var time = tsNow();
if (!notificationsCount || time % 2000 > 1000) {
document.title = titleBackup;
setFavicon();
if (titleChanged) {
titleChanged = false;
document.title = titleBackup;
setFavicon();
}
} else {
titleChanged = true;
document.title = langNotificationsPluralize(notificationsCount);
setFavicon('favicon_unread.ico');
}