Файловый менеджер

Файловый менеджер - Редактировать - /home/goldin10/public_html/getoutyourbox.com/wp-content/themes/morpheus/js/twitter-text.js
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(function() { if (typeof twttr === "undefined" \|\| twttr === null) { var twttr = {}; } twttr.txt = {}; twttr.txt.regexen = {}; var HTML_ENTITIES = { '&': '&', '>': '>', '<': '<', '"': '"', "'": ''' }; // HTML escaping twttr.txt.htmlEscape = function(text) { return text && text.replace(/[&"'><]/g, function(character) { return HTML_ENTITIES[character]; }); }; // Builds a RegExp function regexSupplant(regex, flags) { flags = flags \|\| ""; if (typeof regex !== "string") { if (regex.global && flags.indexOf("g") < 0) { flags += "g"; } if (regex.ignoreCase && flags.indexOf("i") < 0) { flags += "i"; } if (regex.multiline && flags.indexOf("m") < 0) { flags += "m"; } regex = regex.source; } return new RegExp(regex.replace(/#\{(\w+)\}/g, function(match, name) { var newRegex = twttr.txt.regexen[name] \|\| ""; if (typeof newRegex !== "string") { newRegex = newRegex.source; } return newRegex; }), flags); } twttr.txt.regexSupplant = regexSupplant; // simple string interpolation function stringSupplant(str, values) { return str.replace(/#\{(\w+)\}/g, function(match, name) { return values[name] \|\| ""; }); } twttr.txt.stringSupplant = stringSupplant; function addCharsToCharClass(charClass, start, end) { var s = String.fromCharCode(start); if (end !== start) { s += "-" + String.fromCharCode(end); } charClass.push(s); return charClass; } twttr.txt.addCharsToCharClass = addCharsToCharClass; // Space is more than %20, U+3000 for example is the full-width space used with Kanji. Provide a short-hand // to access both the list of characters and a pattern suitible for use with String#split // Taken from: ActiveSupport::Multibyte::Handlers::UTF8Handler::UNICODE_WHITESPACE var fromCode = String.fromCharCode; var UNICODE_SPACES = [ fromCode(0x0020), // White_Space # Zs SPACE fromCode(0x0085), // White_Space # Cc <control-0085> fromCode(0x00A0), // White_Space # Zs NO-BREAK SPACE fromCode(0x1680), // White_Space # Zs OGHAM SPACE MARK fromCode(0x180E), // White_Space # Zs MONGOLIAN VOWEL SEPARATOR fromCode(0x2028), // White_Space # Zl LINE SEPARATOR fromCode(0x2029), // White_Space # Zp PARAGRAPH SEPARATOR fromCode(0x202F), // White_Space # Zs NARROW NO-BREAK SPACE fromCode(0x205F), // White_Space # Zs MEDIUM MATHEMATICAL SPACE fromCode(0x3000) // White_Space # Zs IDEOGRAPHIC SPACE ]; addCharsToCharClass(UNICODE_SPACES, 0x009, 0x00D); // White_Space # Cc [5] <control-0009>..<control-000D> addCharsToCharClass(UNICODE_SPACES, 0x2000, 0x200A); // White_Space # Zs [11] EN QUAD..HAIR SPACE var INVALID_CHARS = [ fromCode(0xFFFE), fromCode(0xFEFF), // BOM fromCode(0xFFFF) // Special ]; addCharsToCharClass(INVALID_CHARS, 0x202A, 0x202E); // Directional change twttr.txt.regexen.spaces_group = regexSupplant(UNICODE_SPACES.join("")); twttr.txt.regexen.spaces = regexSupplant("[" + UNICODE_SPACES.join("") + "]"); twttr.txt.regexen.invalid_chars_group = regexSupplant(INVALID_CHARS.join("")); twttr.txt.regexen.punct = /\!'#%&'\+,\\\-\.\/:;<=>\?@\[\]\^_{\|}~\$/; twttr.txt.regexen.rtl_chars = /[\u0600-\u06FF]\|[\u0750-\u077F]\|[\u0590-\u05FF]\|[\uFE70-\uFEFF]/mg; twttr.txt.regexen.non_bmp_code_pairs = /[\uD800-\uDBFF][\uDC00-\uDFFF]/mg; var latinAccentChars = []; // Latin accented characters (subtracted 0xD7 from the range, it's a confusable multiplication sign. Looks like "x") addCharsToCharClass(latinAccentChars, 0x00c0, 0x00d6); addCharsToCharClass(latinAccentChars, 0x00d8, 0x00f6); addCharsToCharClass(latinAccentChars, 0x00f8, 0x00ff); // Latin Extended A and B addCharsToCharClass(latinAccentChars, 0x0100, 0x024f); // assorted IPA Extensions addCharsToCharClass(latinAccentChars, 0x0253, 0x0254); addCharsToCharClass(latinAccentChars, 0x0256, 0x0257); addCharsToCharClass(latinAccentChars, 0x0259, 0x0259); addCharsToCharClass(latinAccentChars, 0x025b, 0x025b); addCharsToCharClass(latinAccentChars, 0x0263, 0x0263); addCharsToCharClass(latinAccentChars, 0x0268, 0x0268); addCharsToCharClass(latinAccentChars, 0x026f, 0x026f); addCharsToCharClass(latinAccentChars, 0x0272, 0x0272); addCharsToCharClass(latinAccentChars, 0x0289, 0x0289); addCharsToCharClass(latinAccentChars, 0x028b, 0x028b); // Okina for Hawaiian (it is* a letter character) addCharsToCharClass(latinAccentChars, 0x02bb, 0x02bb); // Combining diacritics addCharsToCharClass(latinAccentChars, 0x0300, 0x036f); // Latin Extended Additional addCharsToCharClass(latinAccentChars, 0x1e00, 0x1eff); twttr.txt.regexen.latinAccentChars = regexSupplant(latinAccentChars.join("")); var unicodeLettersAndMarks = 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C63\u0C81-\u0C83\u0CBC\u0CBE-\u0CC4\u0CC6-\u0CC8\u0CCA-\u0CCD\u0CD5\u0CD6\u0CE2\u0CE3\u0D01-\u0D03\u0D3E-\u0D44\u0D46-\u0D48\u0D4A-\u0D4D\u0D57\u0D62\u0D63\u0D82\u0D83\u0DCA\u0DCF-\u0DD4\u0DD6\u0DD8-\u0DDF\u0DF2\u0DF3\u0E31\u0E34-\u0E3A\u0E47-\u0E4E\u0EB1\u0EB4-\u0EB9\u0EBB\u0EBC\u0EC8-\u0ECD\u0F18\u0F19\u0F35\u0F37\u0F39\u0F3E\u0F3F\u0F71-\u0F84\u0F86\u0F87\u0F8D-\u0F97\u0F99-\u0FBC\u0FC6\u102B-\u103E\u1056-\u1059\u105E-\u1060\u1062-\u1064\u1067-\u106D\u1071-\u1074\u1082-\u108D\u108F\u109A-\u109D\u135D-\u135F\u1712-\u1714\u1732-\u1734\u1752\u1753\u1772\u1773\u17B4-\u17D3\u17DD\u180B-\u180D\u18A9\u1920-\u192B\u1930-\u193B\u19B0-\u19C0\u19C8\u19C9\u1A17-\u1A1B\u1A55-\u1A5E\u1A60-\u1A7C\u1A7F\u1AB0-\u1ABE\u1B00-\u1B04\u1B34-\u1B44\u1B6B-\u1B73\u1B80-\u1B82\u1BA1-\u1BAD\u1BE6-\u1BF3\u1C24-\u1C37\u1CD0-\u1CD2\u1CD4-\u1CE8\u1CED\u1CF2-\u1CF4\u1CF8\u1CF9\u1DC0-\u1DF5\u1DFC-\u1DFF\u20D0-\u20F0\u2CEF-\u2CF1\u2D7F\u2DE0-\u2DFF\u302A-\u302F\u3099\u309A\uA66F-\uA672\uA674-\uA67D\uA69F\uA6F0\uA6F1\uA802\uA806\uA80B\uA823-\uA827\uA880\uA881\uA8B4-\uA8C4\uA8E0-\uA8F1\uA926-\uA92D\uA947-\uA953\uA980-\uA983\uA9B3-\uA9C0\uA9E5\uAA29-\uAA36\uAA43\uAA4C\uAA4D\uAA7B-\uAA7D\uAAB0\uAAB2-\uAAB4\uAAB7\uAAB8\uAABE\uAABF\uAAC1\uAAEB-\uAAEF\uAAF5\uAAF6\uABE3-\uABEA\uABEC\uABED\uFB1E\uFE00-\uFE0F\uFE20-\uFE2D"; var unicodeNumbers = "0-9\u0660-\u0669\u06F0-\u06F9\u07C0-\u07C9\u0966-\u096F\u09E6-\u09EF\u0A66-\u0A6F\u0AE6-\u0AEF\u0B66-\u0B6F\u0BE6-\u0BEF\u0C66-\u0C6F\u0CE6-\u0CEF\u0D66-\u0D6F\u0DE6-\u0DEF\u0E50-\u0E59\u0ED0-\u0ED9\u0F20-\u0F29\u1040-\u1049\u1090-\u1099\u17E0-\u17E9\u1810-\u1819\u1946-\u194F\u19D0-\u19D9\u1A80-\u1A89\u1A90-\u1A99\u1B50-\u1B59\u1BB0-\u1BB9\u1C40-\u1C49\u1C50-\u1C59\uA620-\uA629\uA8D0-\uA8D9\uA900-\uA909\uA9D0-\uA9D9\uA9F0-\uA9F9\uAA50-\uAA59\uABF0-\uABF9\uFF10-\uFF19"; var hashtagSpecialChars = "_\u200c\u200d\ua67e\u05be\u05f3\u05f4\uff5e\u301c\u309b\u309c\u30a0\u30fb\u3003\u0f0b\u0f0c\u00b7"; // A hashtag must contain at least one unicode letter or mark, as well as numbers, underscores, and select special characters. twttr.txt.regexen.hashSigns = /[#＃]/; twttr.txt.regexen.hashtagAlpha = new RegExp("[" + unicodeLettersAndMarks + "]"); twttr.txt.regexen.hashtagAlphaNumeric = new RegExp("[" + unicodeLettersAndMarks + unicodeNumbers + hashtagSpecialChars + "]"); twttr.txt.regexen.endHashtagMatch = regexSupplant(/^(?:#{hashSigns}\|:\/\/)/); twttr.txt.regexen.hashtagBoundary = new RegExp("(?:^\|$\|[^&" + unicodeLettersAndMarks + unicodeNumbers + hashtagSpecialChars + "])"); twttr.txt.regexen.validHashtag = regexSupplant(/(#{hashtagBoundary})(#{hashSigns})(?!\ufe0f\|\u20e3)(#{hashtagAlphaNumeric}#{hashtagAlpha}#{hashtagAlphaNumeric})/gi); // Mention related regex collection twttr.txt.regexen.validMentionPrecedingChars = /(?:^\|[^a-zA-Z0-9_!#$%&@＠]\|(?:^\|[^a-zA-Z0-9_+~.-])(?:rt\|RT\|rT\|Rt):?)/; twttr.txt.regexen.atSigns = /[@＠]/; twttr.txt.regexen.validMentionOrList = regexSupplant( '(#{validMentionPrecedingChars})' + // $1: Preceding character '(#{atSigns})' + // $2: At mark '([a-zA-Z0-9_]{1,20})' + // $3: Screen name '(\/[a-zA-Z][a-zA-Z0-9_\-]{0,24})?' // $4: List (optional) , 'g'); twttr.txt.regexen.validReply = regexSupplant(/^(?:#{spaces})#{atSigns}([a-zA-Z0-9_]{1,20})/); twttr.txt.regexen.endMentionMatch = regexSupplant(/^(?:#{atSigns}\|[#{latinAccentChars}]\|:\/\/)/); // URL related regex collection twttr.txt.regexen.validUrlPrecedingChars = regexSupplant(/(?:[^A-Za-z0-9@＠$#＃#{invalid_chars_group}]\|^)/); twttr.txt.regexen.invalidUrlWithoutProtocolPrecedingChars = /[-_.\/]$/; twttr.txt.regexen.invalidDomainChars = stringSupplant("#{punct}#{spaces_group}#{invalid_chars_group}", twttr.txt.regexen); twttr.txt.regexen.validDomainChars = regexSupplant(/[^#{invalidDomainChars}]/); twttr.txt.regexen.validSubdomain = regexSupplant(/(?:(?:#{validDomainChars}(?:[_-]\|#{validDomainChars}))?#{validDomainChars}\.)/); twttr.txt.regexen.validDomainName = regexSupplant(/(?:(?:#{validDomainChars}(?:-\|#{validDomainChars}))?#{validDomainChars}\.)/); twttr.txt.regexen.validGTLD = regexSupplant(RegExp( '(?:(?:' + 'abb\|abbott\|abogado\|academy\|accenture\|accountant\|accountants\|aco\|active\|actor\|ads\|adult\|aeg\|aero\|' + 'afl\|agency\|aig\|airforce\|airtel\|allfinanz\|alsace\|amsterdam\|android\|apartments\|app\|aquarelle\|' + 'archi\|army\|arpa\|asia\|associates\|attorney\|auction\|audio\|auto\|autos\|axa\|azure\|band\|bank\|bar\|' + 'barcelona\|barclaycard\|barclays\|bargains\|bauhaus\|bayern\|bbc\|bbva\|bcn\|beer\|bentley\|berlin\|best\|' + 'bet\|bharti\|bible\|bid\|bike\|bing\|bingo\|bio\|biz\|black\|blackfriday\|bloomberg\|blue\|bmw\|bnl\|' + 'bnpparibas\|boats\|bond\|boo\|boots\|boutique\|bradesco\|bridgestone\|broker\|brother\|brussels\|budapest\|' + 'build\|builders\|business\|buzz\|bzh\|cab\|cafe\|cal\|camera\|camp\|cancerresearch\|canon\|capetown\|capital\|' + 'caravan\|cards\|care\|career\|careers\|cars\|cartier\|casa\|cash\|casino\|cat\|catering\|cba\|cbn\|ceb\|center\|' + 'ceo\|cern\|cfa\|cfd\|chanel\|channel\|chat\|cheap\|chloe\|christmas\|chrome\|church\|cisco\|citic\|city\|' + 'claims\|cleaning\|click\|clinic\|clothing\|cloud\|club\|coach\|codes\|coffee\|college\|cologne\|com\|' + 'commbank\|community\|company\|computer\|condos\|construction\|consulting\|contractors\|cooking\|cool\|' + 'coop\|corsica\|country\|coupons\|courses\|credit\|creditcard\|cricket\|crown\|crs\|cruises\|cuisinella\|' + 'cymru\|cyou\|dabur\|dad\|dance\|date\|dating\|datsun\|day\|dclk\|deals\|degree\|delivery\|delta\|democrat\|' + 'dental\|dentist\|desi\|design\|dev\|diamonds\|diet\|digital\|direct\|directory\|discount\|dnp\|docs\|dog\|' + 'doha\|domains\|doosan\|download\|drive\|durban\|dvag\|earth\|eat\|edu\|education\|email\|emerck\|energy\|' + 'engineer\|engineering\|enterprises\|epson\|equipment\|erni\|esq\|estate\|eurovision\|eus\|events\|everbank\|' + 'exchange\|expert\|exposed\|express\|fage\|fail\|faith\|family\|fan\|fans\|farm\|fashion\|feedback\|film\|' + 'finance\|financial\|firmdale\|fish\|fishing\|fit\|fitness\|flights\|florist\|flowers\|flsmidth\|fly\|foo\|' + 'football\|forex\|forsale\|forum\|foundation\|frl\|frogans\|fund\|furniture\|futbol\|fyi\|gal\|gallery\|game\|' + 'garden\|gbiz\|gdn\|gent\|genting\|ggee\|gift\|gifts\|gives\|giving\|glass\|gle\|global\|globo\|gmail\|gmo\|gmx\|' + 'gold\|goldpoint\|golf\|goo\|goog\|google\|gop\|gov\|graphics\|gratis\|green\|gripe\|group\|guge\|guide\|' + 'guitars\|guru\|hamburg\|hangout\|haus\|healthcare\|help\|here\|hermes\|hiphop\|hitachi\|hiv\|hockey\|' + 'holdings\|holiday\|homedepot\|homes\|honda\|horse\|host\|hosting\|hoteles\|hotmail\|house\|how\|hsbc\|ibm\|' + 'icbc\|ice\|icu\|ifm\|iinet\|immo\|immobilien\|industries\|infiniti\|info\|ing\|ink\|institute\|insure\|int\|' + 'international\|investments\|ipiranga\|irish\|ist\|istanbul\|itau\|iwc\|java\|jcb\|jetzt\|jewelry\|jlc\|jll\|' + 'jobs\|joburg\|jprs\|juegos\|kaufen\|kddi\|kim\|kitchen\|kiwi\|koeln\|komatsu\|krd\|kred\|kyoto\|lacaixa\|' + 'lancaster\|land\|lasalle\|lat\|latrobe\|law\|lawyer\|lds\|lease\|leclerc\|legal\|lexus\|lgbt\|liaison\|lidl\|' + 'life\|lighting\|limited\|limo\|link\|live\|lixil\|loan\|loans\|lol\|london\|lotte\|lotto\|love\|ltda\|lupin\|' + 'luxe\|luxury\|madrid\|maif\|maison\|man\|management\|mango\|market\|marketing\|markets\|marriott\|mba\|media\|' + 'meet\|melbourne\|meme\|memorial\|men\|menu\|miami\|microsoft\|mil\|mini\|mma\|mobi\|moda\|moe\|mom\|monash\|' + 'money\|montblanc\|mormon\|mortgage\|moscow\|motorcycles\|mov\|movie\|movistar\|mtn\|mtpc\|museum\|nadex\|' + 'nagoya\|name\|navy\|nec\|net\|netbank\|network\|neustar\|new\|news\|nexus\|ngo\|nhk\|nico\|ninja\|nissan\|nokia\|' + 'nra\|nrw\|ntt\|nyc\|office\|okinawa\|omega\|one\|ong\|onl\|online\|ooo\|oracle\|orange\|org\|organic\|osaka\|' + 'otsuka\|ovh\|page\|panerai\|paris\|partners\|parts\|party\|pet\|pharmacy\|philips\|photo\|photography\|' + 'photos\|physio\|piaget\|pics\|pictet\|pictures\|pink\|pizza\|place\|play\|plumbing\|plus\|pohl\|poker\|porn\|' + 'post\|praxi\|press\|pro\|prod\|productions\|prof\|properties\|property\|pub\|qpon\|quebec\|racing\|realtor\|' + 'realty\|recipes\|red\|redstone\|rehab\|reise\|reisen\|reit\|ren\|rent\|rentals\|repair\|report\|republican\|' + 'rest\|restaurant\|review\|reviews\|rich\|ricoh\|rio\|rip\|rocks\|rodeo\|rsvp\|ruhr\|run\|ryukyu\|saarland\|' + 'sakura\|sale\|samsung\|sandvik\|sandvikcoromant\|sanofi\|sap\|sarl\|saxo\|sca\|scb\|schmidt\|scholarships\|' + 'school\|schule\|schwarz\|science\|scor\|scot\|seat\|seek\|sener\|services\|sew\|sex\|sexy\|shiksha\|shoes\|' + 'show\|shriram\|singles\|site\|ski\|sky\|skype\|sncf\|soccer\|social\|software\|sohu\|solar\|solutions\|sony\|' + 'soy\|space\|spiegel\|spreadbetting\|srl\|starhub\|statoil\|studio\|study\|style\|sucks\|supplies\|supply\|' + 'support\|surf\|surgery\|suzuki\|swatch\|swiss\|sydney\|systems\|taipei\|tatamotors\|tatar\|tattoo\|tax\|taxi\|' + 'team\|tech\|technology\|tel\|telefonica\|temasek\|tennis\|thd\|theater\|tickets\|tienda\|tips\|tires\|tirol\|' + 'today\|tokyo\|tools\|top\|toray\|toshiba\|tours\|town\|toyota\|toys\|trade\|trading\|training\|travel\|trust\|' + 'tui\|ubs\|university\|uno\|uol\|vacations\|vegas\|ventures\|vermögensberater\|vermögensberatung\|' + 'versicherung\|vet\|viajes\|video\|villas\|vin\|vision\|vista\|vistaprint\|vlaanderen\|vodka\|vote\|voting\|' + 'voto\|voyage\|wales\|walter\|wang\|watch\|webcam\|website\|wed\|wedding\|weir\|whoswho\|wien\|wiki\|' + 'williamhill\|win\|windows\|wine\|wme\|work\|works\|world\|wtc\|wtf\|xbox\|xerox\|xin\|xperia\|xxx\|xyz\|yachts\|' + 'yandex\|yodobashi\|yoga\|yokohama\|youtube\|zip\|zone\|zuerich\|дети\|ком\|москва\|онлайн\|орг\|рус\|сайт\|קום\|' + 'بازار\|شبكة\|كوم\|موقع\|कॉम\|नेट\|संगठन\|คอม\|みんな\|グーグル\|コム\|世界\|中信\|中文网\|企业\|佛山\|信息\|健康\|八卦\|公司\|公益\|商城\|商店\|商标\|在线\|大拿\|' + '娱乐\|工行\|广东\|慈善\|我爱你\|手机\|政务\|政府\|新闻\|时尚\|机构\|淡马锡\|游戏\|点看\|移动\|组织机构\|网址\|网店\|网络\|谷歌\|集团\|飞利浦\|餐厅\|닷넷\|닷컴\|삼성\|onion' + ')(?=[^0-9a-zA-Z@]\|$))')); twttr.txt.regexen.validCCTLD = regexSupplant(RegExp( '(?:(?:' + 'ac\|ad\|ae\|af\|ag\|ai\|al\|am\|an\|ao\|aq\|ar\|as\|at\|au\|aw\|ax\|az\|ba\|bb\|bd\|be\|bf\|bg\|bh\|bi\|bj\|bl\|bm\|bn\|bo\|bq\|' + 'br\|bs\|bt\|bv\|bw\|by\|bz\|ca\|cc\|cd\|cf\|cg\|ch\|ci\|ck\|cl\|cm\|cn\|co\|cr\|cu\|cv\|cw\|cx\|cy\|cz\|de\|dj\|dk\|dm\|do\|dz\|' + 'ec\|ee\|eg\|eh\|er\|es\|et\|eu\|fi\|fj\|fk\|fm\|fo\|fr\|ga\|gb\|gd\|ge\|gf\|gg\|gh\|gi\|gl\|gm\|gn\|gp\|gq\|gr\|gs\|gt\|gu\|gw\|' + 'gy\|hk\|hm\|hn\|hr\|ht\|hu\|id\|ie\|il\|im\|in\|io\|iq\|ir\|is\|it\|je\|jm\|jo\|jp\|ke\|kg\|kh\|ki\|km\|kn\|kp\|kr\|kw\|ky\|kz\|' + 'la\|lb\|lc\|li\|lk\|lr\|ls\|lt\|lu\|lv\|ly\|ma\|mc\|md\|me\|mf\|mg\|mh\|mk\|ml\|mm\|mn\|mo\|mp\|mq\|mr\|ms\|mt\|mu\|mv\|mw\|mx\|' + 'my\|mz\|na\|nc\|ne\|nf\|ng\|ni\|nl\|no\|np\|nr\|nu\|nz\|om\|pa\|pe\|pf\|pg\|ph\|pk\|pl\|pm\|pn\|pr\|ps\|pt\|pw\|py\|qa\|re\|ro\|' + 'rs\|ru\|rw\|sa\|sb\|sc\|sd\|se\|sg\|sh\|si\|sj\|sk\|sl\|sm\|sn\|so\|sr\|ss\|st\|su\|sv\|sx\|sy\|sz\|tc\|td\|tf\|tg\|th\|tj\|tk\|' + 'tl\|tm\|tn\|to\|tp\|tr\|tt\|tv\|tw\|tz\|ua\|ug\|uk\|um\|us\|uy\|uz\|va\|vc\|ve\|vg\|vi\|vn\|vu\|wf\|ws\|ye\|yt\|za\|zm\|zw\|ελ\|' + 'бел\|мкд\|мон\|рф\|срб\|укр\|қаз\|հայ\|الاردن\|الجزائر\|السعودية\|المغرب\|امارات\|ایران\|بھارت\|تونس\|سودان\|' + 'سورية\|عراق\|عمان\|فلسطين\|قطر\|مصر\|مليسيا\|پاکستان\|भारत\|বাংলা\|ভারত\|ਭਾਰਤ\|ભારત\|இந்தியா\|இலங்கை\|' + 'சிங்கப்பூர்\|భారత్\|ලංකා\|ไทย\|გე\|中国\|中國\|台湾\|台灣\|新加坡\|澳門\|香港\|한국' + ')(?=[^0-9a-zA-Z@]\|$))')); twttr.txt.regexen.validPunycode = regexSupplant(/(?:xn--[0-9a-z]+)/); twttr.txt.regexen.validSpecialCCTLD = regexSupplant(RegExp( '(?:(?:co\|tv)(?=[^0-9a-zA-Z@]\|$))')); twttr.txt.regexen.validDomain = regexSupplant(/(?:#{validSubdomain}#{validDomainName}(?:#{validGTLD}\|#{validCCTLD}\|#{validPunycode}))/); twttr.txt.regexen.validAsciiDomain = regexSupplant(/(?:(?:[\-a-z0-9#{latinAccentChars}]+)\.)+(?:#{validGTLD}\|#{validCCTLD}\|#{validPunycode})/gi); twttr.txt.regexen.invalidShortDomain = regexSupplant(/^#{validDomainName}#{validCCTLD}$/i); twttr.txt.regexen.validSpecialShortDomain = regexSupplant(/^#{validDomainName}#{validSpecialCCTLD}$/i); twttr.txt.regexen.validPortNumber = regexSupplant(/[0-9]+/); twttr.txt.regexen.cyrillicLettersAndMarks = regexSupplant("\u0400-\u04FF"); twttr.txt.regexen.validGeneralUrlPathChars = regexSupplant(/[a-z#{cyrillicLettersAndMarks}0-9!\';:=\+,\.\$\/%#\[\]\-_~@\\|&#{latinAccentChars}]/i); // Allow URL paths to contain up to two nested levels of balanced parens // 1. Used in Wikipedia URLs like /Primer_(film) // 2. Used in IIS sessions like /S(dfd346)/ // 3. Used in Rdio URLs like /track/We_Up_(Album_Version_(Edited))/ twttr.txt.regexen.validUrlBalancedParens = regexSupplant( '\$' + '(?:' + '#{validGeneralUrlPathChars}+' + '\|' + // allow one nested level of balanced parentheses '(?:' + '#{validGeneralUrlPathChars}' + '\\(' + '#{validGeneralUrlPathChars}+' + '\$' + '#{validGeneralUrlPathChars}' + ')' + ')' + '\\)' , 'i'); // Valid end-of-path chracters (so /foo. does not gobble the period). // 1. Allow =&# for empty URL parameters and other URL-join artifacts twttr.txt.regexen.validUrlPathEndingChars = regexSupplant(/[\+\-a-z#{cyrillicLettersAndMarks}0-9=_#\/#{latinAccentChars}]\|(?:#{validUrlBalancedParens})/i); // Allow @ in a url, but only in the middle. Catch things like http://example.com/@user/ twttr.txt.regexen.validUrlPath = regexSupplant('(?:' + '(?:' + '#{validGeneralUrlPathChars}' + '(?:#{validUrlBalancedParens}#{validGeneralUrlPathChars})' + '#{validUrlPathEndingChars}'+ ')\|(?:@#{validGeneralUrlPathChars}+\/)'+ ')', 'i'); twttr.txt.regexen.validUrlQueryChars = /[a-z0-9!?\'@;:&=\+\$\/%#\[\]\-_\.,~\|]/i; twttr.txt.regexen.validUrlQueryEndingChars = /[a-z0-9_&=#\/]/i; twttr.txt.regexen.extractUrl = regexSupplant( '(' + // $1 total match '(#{validUrlPrecedingChars})' + // $2 Preceeding chracter '(' + // $3 URL '(https?:\\/\\/)?' + // $4 Protocol (optional) '(#{validDomain})' + // $5 Domain(s) '(?::(#{validPortNumber}))?' + // $6 Port number (optional) '(\\/#{validUrlPath})?' + // $7 URL Path '(\\?#{validUrlQueryChars}#{validUrlQueryEndingChars})?' + // $8 Query String ')' + ')' , 'gi'); twttr.txt.regexen.validTcoUrl = /^https?:\/\/t\.co\/[a-z0-9]+/i; twttr.txt.regexen.urlHasProtocol = /^https?:\/\//i; twttr.txt.regexen.urlHasHttps = /^https:\/\//i; // cashtag related regex twttr.txt.regexen.cashtag = /[a-z]{1,6}(?:[._][a-z]{1,2})?/i; twttr.txt.regexen.validCashtag = regexSupplant('(^\|#{spaces})(\\$)(#{cashtag})(?=$\|\\s\|[#{punct}])', 'gi'); // These URL validation pattern strings are based on the ABNF from RFC 3986 twttr.txt.regexen.validateUrlUnreserved = /[a-z\u0400-\u04FF0-9\-._~]/i; twttr.txt.regexen.validateUrlPctEncoded = /(?:%[0-9a-f]{2})/i; twttr.txt.regexen.validateUrlSubDelims = /[!$&'()+,;=]/i; twttr.txt.regexen.validateUrlPchar = regexSupplant('(?:' + '#{validateUrlUnreserved}\|' + '#{validateUrlPctEncoded}\|' + '#{validateUrlSubDelims}\|' + '[:\|@]' + ')', 'i'); twttr.txt.regexen.validateUrlScheme = /(?:[a-z][a-z0-9+\-.])/i; twttr.txt.regexen.validateUrlUserinfo = regexSupplant('(?:' + '#{validateUrlUnreserved}\|' + '#{validateUrlPctEncoded}\|' + '#{validateUrlSubDelims}\|' + ':' + ')', 'i'); twttr.txt.regexen.validateUrlDecOctet = /(?:[0-9]\|(?:[1-9][0-9])\|(?:1[0-9]{2})\|(?:2[0-4][0-9])\|(?:25[0-5]))/i; twttr.txt.regexen.validateUrlIpv4 = regexSupplant(/(?:#{validateUrlDecOctet}(?:\.#{validateUrlDecOctet}){3})/i); // Punting on real IPv6 validation for now twttr.txt.regexen.validateUrlIpv6 = /(?:\[[a-f0-9:\.]+\])/i; // Also punting on IPvFuture for now twttr.txt.regexen.validateUrlIp = regexSupplant('(?:' + '#{validateUrlIpv4}\|' + '#{validateUrlIpv6}' + ')', 'i'); // This is more strict than the rfc specifies twttr.txt.regexen.validateUrlSubDomainSegment = /(?:[a-z0-9](?:[a-z0-9_\-][a-z0-9])?)/i; twttr.txt.regexen.validateUrlDomainSegment = /(?:[a-z0-9](?:[a-z0-9\-][a-z0-9])?)/i; twttr.txt.regexen.validateUrlDomainTld = /(?:[a-z](?:[a-z0-9\-][a-z0-9])?)/i; twttr.txt.regexen.validateUrlDomain = regexSupplant(/(?:(?:#{validateUrlSubDomainSegment]}\.)(?:#{validateUrlDomainSegment]}\.)#{validateUrlDomainTld})/i); twttr.txt.regexen.validateUrlHost = regexSupplant('(?:' + '#{validateUrlIp}\|' + '#{validateUrlDomain}' + ')', 'i'); // Unencoded internationalized domains - this doesn't check for invalid UTF-8 sequences twttr.txt.regexen.validateUrlUnicodeSubDomainSegment = /(?:(?:[a-z0-9]\|[^\u0000-\u007f])(?:(?:[a-z0-9_\-]\|[^\u0000-\u007f])(?:[a-z0-9]\|[^\u0000-\u007f]))?)/i; twttr.txt.regexen.validateUrlUnicodeDomainSegment = /(?:(?:[a-z0-9]\|[^\u0000-\u007f])(?:(?:[a-z0-9\-]\|[^\u0000-\u007f])(?:[a-z0-9]\|[^\u0000-\u007f]))?)/i; twttr.txt.regexen.validateUrlUnicodeDomainTld = /(?:(?:[a-z]\|[^\u0000-\u007f])(?:(?:[a-z0-9\-]\|[^\u0000-\u007f])(?:[a-z0-9]\|[^\u0000-\u007f]))?)/i; twttr.txt.regexen.validateUrlUnicodeDomain = regexSupplant(/(?:(?:#{validateUrlUnicodeSubDomainSegment}\.)(?:#{validateUrlUnicodeDomainSegment}\.)#{validateUrlUnicodeDomainTld})/i); twttr.txt.regexen.validateUrlUnicodeHost = regexSupplant('(?:' + '#{validateUrlIp}\|' + '#{validateUrlUnicodeDomain}' + ')', 'i'); twttr.txt.regexen.validateUrlPort = /[0-9]{1,5}/; twttr.txt.regexen.validateUrlUnicodeAuthority = regexSupplant( '(?:(#{validateUrlUserinfo})@)?' + // $1 userinfo '(#{validateUrlUnicodeHost})' + // $2 host '(?::(#{validateUrlPort}))?' //$3 port , "i"); twttr.txt.regexen.validateUrlAuthority = regexSupplant( '(?:(#{validateUrlUserinfo})@)?' + // $1 userinfo '(#{validateUrlHost})' + // $2 host '(?::(#{validateUrlPort}))?' // $3 port , "i"); twttr.txt.regexen.validateUrlPath = regexSupplant(/(\/#{validateUrlPchar})/i); twttr.txt.regexen.validateUrlQuery = regexSupplant(/(#{validateUrlPchar}\|\/\|\?)/i); twttr.txt.regexen.validateUrlFragment = regexSupplant(/(#{validateUrlPchar}\|\/\|\?)/i); // Modified version of RFC 3986 Appendix B twttr.txt.regexen.validateUrlUnencoded = regexSupplant( '^' + // Full URL '(?:' + '([^:/?#]+):\\/\\/' + // $1 Scheme ')?' + '([^/?#])' + // $2 Authority '([^?#])' + // $3 Path '(?:' + '\\?([^#])' + // $4 Query ')?' + '(?:' + '#(.)' + // $5 Fragment ')?$' , "i"); // Default CSS class for auto-linked lists (along with the url class) var DEFAULT_LIST_CLASS = "tweet-url list-slug"; // Default CSS class for auto-linked usernames (along with the url class) var DEFAULT_USERNAME_CLASS = "tweet-url username"; // Default CSS class for auto-linked hashtags (along with the url class) var DEFAULT_HASHTAG_CLASS = "tweet-url hashtag"; // Default CSS class for auto-linked cashtags (along with the url class) var DEFAULT_CASHTAG_CLASS = "tweet-url cashtag"; // Options which should not be passed as HTML attributes var OPTIONS_NOT_ATTRIBUTES = {'urlClass':true, 'listClass':true, 'usernameClass':true, 'hashtagClass':true, 'cashtagClass':true, 'usernameUrlBase':true, 'listUrlBase':true, 'hashtagUrlBase':true, 'cashtagUrlBase':true, 'usernameUrlBlock':true, 'listUrlBlock':true, 'hashtagUrlBlock':true, 'linkUrlBlock':true, 'usernameIncludeSymbol':true, 'suppressLists':true, 'suppressNoFollow':true, 'targetBlank':true, 'suppressDataScreenName':true, 'urlEntities':true, 'symbolTag':true, 'textWithSymbolTag':true, 'urlTarget':true, 'invisibleTagAttrs':true, 'linkAttributeBlock':true, 'linkTextBlock': true, 'htmlEscapeNonEntities': true }; var BOOLEAN_ATTRIBUTES = {'disabled':true, 'readonly':true, 'multiple':true, 'checked':true}; // Simple object cloning function for simple objects function clone(o) { var r = {}; for (var k in o) { if (o.hasOwnProperty(k)) { r[k] = o[k]; } } return r; } twttr.txt.tagAttrs = function(attributes) { var htmlAttrs = ""; for (var k in attributes) { var v = attributes[k]; if (BOOLEAN_ATTRIBUTES[k]) { v = v ? k : null; } if (v == null) continue; htmlAttrs += " " + twttr.txt.htmlEscape(k) + "=\"" + twttr.txt.htmlEscape(v.toString()) + "\""; } return htmlAttrs; }; twttr.txt.linkToText = function(entity, text, attributes, options) { if (!options.suppressNoFollow) { attributes.rel = "nofollow"; } // if linkAttributeBlock is specified, call it to modify the attributes if (options.linkAttributeBlock) { options.linkAttributeBlock(entity, attributes); } // if linkTextBlock is specified, call it to get a new/modified link text if (options.linkTextBlock) { text = options.linkTextBlock(entity, text); } var d = { text: text, attr: twttr.txt.tagAttrs(attributes) }; return stringSupplant("<a#{attr}>#{text}</a>", d); }; twttr.txt.linkToTextWithSymbol = function(entity, symbol, text, attributes, options) { var taggedSymbol = options.symbolTag ? "<" + options.symbolTag + ">" + symbol + "</"+ options.symbolTag + ">" : symbol; text = twttr.txt.htmlEscape(text); var taggedText = options.textWithSymbolTag ? "<" + options.textWithSymbolTag + ">" + text + "</"+ options.textWithSymbolTag + ">" : text; if (options.usernameIncludeSymbol \|\| !symbol.match(twttr.txt.regexen.atSigns)) { return twttr.txt.linkToText(entity, taggedSymbol + taggedText, attributes, options); } else { return taggedSymbol + twttr.txt.linkToText(entity, taggedText, attributes, options); } }; twttr.txt.linkToHashtag = function(entity, text, options) { var hash = text.substring(entity.indices[0], entity.indices[0] + 1); var hashtag = twttr.txt.htmlEscape(entity.hashtag); var attrs = clone(options.htmlAttrs \|\| {}); attrs.href = options.hashtagUrlBase + hashtag; attrs.title = "#" + hashtag; attrs["class"] = options.hashtagClass; if (hashtag.charAt(0).match(twttr.txt.regexen.rtl_chars)){ attrs["class"] += " rtl"; } if (options.targetBlank) { attrs.target = '_blank'; } return twttr.txt.linkToTextWithSymbol(entity, hash, hashtag, attrs, options); }; twttr.txt.linkToCashtag = function(entity, text, options) { var cashtag = twttr.txt.htmlEscape(entity.cashtag); var attrs = clone(options.htmlAttrs \|\| {}); attrs.href = options.cashtagUrlBase + cashtag; attrs.title = "$" + cashtag; attrs["class"] = options.cashtagClass; if (options.targetBlank) { attrs.target = '_blank'; } return twttr.txt.linkToTextWithSymbol(entity, "$", cashtag, attrs, options); }; twttr.txt.linkToMentionAndList = function(entity, text, options) { var at = text.substring(entity.indices[0], entity.indices[0] + 1); var user = twttr.txt.htmlEscape(entity.screenName); var slashListname = twttr.txt.htmlEscape(entity.listSlug); var isList = entity.listSlug && !options.suppressLists; var attrs = clone(options.htmlAttrs \|\| {}); attrs["class"] = (isList ? options.listClass : options.usernameClass); attrs.href = isList ? options.listUrlBase + user + slashListname : options.usernameUrlBase + user; if (!isList && !options.suppressDataScreenName) { attrs['data-screen-name'] = user; } if (options.targetBlank) { attrs.target = '_blank'; } return twttr.txt.linkToTextWithSymbol(entity, at, isList ? user + slashListname : user, attrs, options); }; twttr.txt.linkToUrl = function(entity, text, options) { var url = entity.url; var displayUrl = url; var linkText = twttr.txt.htmlEscape(displayUrl); // If the caller passed a urlEntities object (provided by a Twitter API // response with include_entities=true), we use that to render the display_url // for each URL instead of it's underlying t.co URL. var urlEntity = (options.urlEntities && options.urlEntities[url]) \|\| entity; if (urlEntity.display_url) { linkText = twttr.txt.linkTextWithEntity(urlEntity, options); } var attrs = clone(options.htmlAttrs \|\| {}); if (!url.match(twttr.txt.regexen.urlHasProtocol)) { url = "http://" + url; } attrs.href = url; if (options.targetBlank) { attrs.target = '_blank'; } // set class only if urlClass is specified. if (options.urlClass) { attrs["class"] = options.urlClass; } // set target only if urlTarget is specified. if (options.urlTarget) { attrs.target = options.urlTarget; } if (!options.title && urlEntity.display_url) { attrs.title = urlEntity.expanded_url; } return twttr.txt.linkToText(entity, linkText, attrs, options); }; twttr.txt.linkTextWithEntity = function (entity, options) { var displayUrl = entity.display_url; var expandedUrl = entity.expanded_url; // Goal: If a user copies and pastes a tweet containing t.co'ed link, the resulting paste // should contain the full original URL (expanded_url), not the display URL. // // Method: Whenever possible, we actually emit HTML that contains expanded_url, and use // font-size:0 to hide those parts that should not be displayed (because they are not part of display_url). // Elements with font-size:0 get copied even though they are not visible. // Note that display:none doesn't work here. Elements with display:none don't get copied. // // Additionally, we want to display* ellipses, but we don't want them copied. To make this happen we // wrap the ellipses in a tco-ellipsis class and provide an onCopy handler that sets display:none on // everything with the tco-ellipsis class. // // Exception: pic.twitter.com images, for which expandedUrl = "https://twitter.com/#!/username/status/1234/photo/1 // For those URLs, display_url is not a substring of expanded_url, so we don't do anything special to render the elided parts. // For a pic.twitter.com URL, the only elided part will be the "https://", so this is fine. var displayUrlSansEllipses = displayUrl.replace(/…/g, ""); // We have to disregard ellipses for matching // Note: we currently only support eliding parts of the URL at the beginning or the end. // Eventually we may want to elide parts of the URL in the middle. If so, this code will // become more complicated. We will probably want to create a regexp out of display URL, // replacing every ellipsis with a ".". if (expandedUrl.indexOf(displayUrlSansEllipses) != -1) { var displayUrlIndex = expandedUrl.indexOf(displayUrlSansEllipses); var v = { displayUrlSansEllipses: displayUrlSansEllipses, // Portion of expandedUrl that precedes the displayUrl substring beforeDisplayUrl: expandedUrl.substr(0, displayUrlIndex), // Portion of expandedUrl that comes after displayUrl afterDisplayUrl: expandedUrl.substr(displayUrlIndex + displayUrlSansEllipses.length), precedingEllipsis: displayUrl.match(/^…/) ? "…" : "", followingEllipsis: displayUrl.match(/…$/) ? "…" : "" }; for (var k in v) { if (v.hasOwnProperty(k)) { v[k] = twttr.txt.htmlEscape(v[k]); } } // As an example: The user tweets "hi http://longdomainname.com/foo" // This gets shortened to "hi http://t.co/xyzabc", with display_url = "…nname.com/foo" // This will get rendered as: // <span class='tco-ellipsis'> <!-- This stuff should get displayed but not copied --> // … // <!-- There's a chance the onCopy event handler might not fire. In case that happens, // we include an   here so that the … doesn't bump up against the URL and ruin it. // The   is inside the tco-ellipsis span so that when the onCopy handler does* // fire, it doesn't get copied. Otherwise the copied text would have two spaces in a row, // e.g. "hi http://longdomainname.com/foo". // <span style='font-size:0'> </span> // </span> // <span style='font-size:0'> <!-- This stuff should get copied but not displayed --> // http://longdomai // </span> // <span class='js-display-url'> <!-- This stuff should get displayed and copied --> // nname.com/foo // </span> // <span class='tco-ellipsis'> <!-- This stuff should get displayed but not copied --> // <span style='font-size:0'> </span> // … // </span> v['invisible'] = options.invisibleTagAttrs; return stringSupplant("<span class='tco-ellipsis'>#{precedingEllipsis}<span #{invisible}> </span></span><span #{invisible}>#{beforeDisplayUrl}</span><span class='js-display-url'>#{displayUrlSansEllipses}</span><span #{invisible}>#{afterDisplayUrl}</span><span class='tco-ellipsis'><span #{invisible}> </span>#{followingEllipsis}</span>", v); } return displayUrl; }; twttr.txt.autoLinkEntities = function(text, entities, options) { options = clone(options \|\| {}); options.hashtagClass = options.hashtagClass \|\| DEFAULT_HASHTAG_CLASS; options.hashtagUrlBase = options.hashtagUrlBase \|\| "https://twitter.com/#!/search?q=%23"; options.cashtagClass = options.cashtagClass \|\| DEFAULT_CASHTAG_CLASS; options.cashtagUrlBase = options.cashtagUrlBase \|\| "https://twitter.com/#!/search?q=%24"; options.listClass = options.listClass \|\| DEFAULT_LIST_CLASS; options.usernameClass = options.usernameClass \|\| DEFAULT_USERNAME_CLASS; options.usernameUrlBase = options.usernameUrlBase \|\| "https://twitter.com/"; options.listUrlBase = options.listUrlBase \|\| "https://twitter.com/"; options.htmlAttrs = twttr.txt.extractHtmlAttrsFromOptions(options); options.invisibleTagAttrs = options.invisibleTagAttrs \|\| "style='position:absolute;left:-9999px;'"; // remap url entities to hash var urlEntities, i, len; if(options.urlEntities) { urlEntities = {}; for(i = 0, len = options.urlEntities.length; i < len; i++) { urlEntities[options.urlEntities[i].url] = options.urlEntities[i]; } options.urlEntities = urlEntities; } var result = ""; var beginIndex = 0; // sort entities by start index entities.sort(function(a,b){ return a.indices[0] - b.indices[0]; }); var nonEntity = options.htmlEscapeNonEntities ? twttr.txt.htmlEscape : function(text) { return text; }; for (var i = 0; i < entities.length; i++) { var entity = entities[i]; result += nonEntity(text.substring(beginIndex, entity.indices[0])); if (entity.url) { result += twttr.txt.linkToUrl(entity, text, options); } else if (entity.hashtag) { result += twttr.txt.linkToHashtag(entity, text, options); } else if (entity.screenName) { result += twttr.txt.linkToMentionAndList(entity, text, options); } else if (entity.cashtag) { result += twttr.txt.linkToCashtag(entity, text, options); } beginIndex = entity.indices[1]; } result += nonEntity(text.substring(beginIndex, text.length)); return result; }; twttr.txt.autoLinkWithJSON = function(text, json, options) { // map JSON entity to twitter-text entity if (json.user_mentions) { for (var i = 0; i < json.user_mentions.length; i++) { // this is a @mention json.user_mentions[i].screenName = json.user_mentions[i].screen_name; } } if (json.hashtags) { for (var i = 0; i < json.hashtags.length; i++) { // this is a #hashtag json.hashtags[i].hashtag = json.hashtags[i].text; } } if (json.symbols) { for (var i = 0; i < json.symbols.length; i++) { // this is a $CASH tag json.symbols[i].cashtag = json.symbols[i].text; } } // concatenate all entities var entities = []; for (var key in json) { entities = entities.concat(json[key]); } // modify indices to UTF-16 twttr.txt.modifyIndicesFromUnicodeToUTF16(text, entities); return twttr.txt.autoLinkEntities(text, entities, options); }; twttr.txt.extractHtmlAttrsFromOptions = function(options) { var htmlAttrs = {}; for (var k in options) { var v = options[k]; if (OPTIONS_NOT_ATTRIBUTES[k]) continue; if (BOOLEAN_ATTRIBUTES[k]) { v = v ? k : null; } if (v == null) continue; htmlAttrs[k] = v; } return htmlAttrs; }; twttr.txt.autoLink = function(text, options) { var entities = twttr.txt.extractEntitiesWithIndices(text, {extractUrlsWithoutProtocol: false}); return twttr.txt.autoLinkEntities(text, entities, options); }; twttr.txt.autoLinkUsernamesOrLists = function(text, options) { var entities = twttr.txt.extractMentionsOrListsWithIndices(text); return twttr.txt.autoLinkEntities(text, entities, options); }; twttr.txt.autoLinkHashtags = function(text, options) { var entities = twttr.txt.extractHashtagsWithIndices(text); return twttr.txt.autoLinkEntities(text, entities, options); }; twttr.txt.autoLinkCashtags = function(text, options) { var entities = twttr.txt.extractCashtagsWithIndices(text); return twttr.txt.autoLinkEntities(text, entities, options); }; twttr.txt.autoLinkUrlsCustom = function(text, options) { var entities = twttr.txt.extractUrlsWithIndices(text, {extractUrlsWithoutProtocol: false}); return twttr.txt.autoLinkEntities(text, entities, options); }; twttr.txt.removeOverlappingEntities = function(entities) { entities.sort(function(a,b){ return a.indices[0] - b.indices[0]; }); var prev = entities[0]; for (var i = 1; i < entities.length; i++) { if (prev.indices[1] > entities[i].indices[0]) { entities.splice(i, 1); i--; } else { prev = entities[i]; } } }; twttr.txt.extractEntitiesWithIndices = function(text, options) { var entities = twttr.txt.extractUrlsWithIndices(text, options) .concat(twttr.txt.extractMentionsOrListsWithIndices(text)) .concat(twttr.txt.extractHashtagsWithIndices(text, {checkUrlOverlap: false})) .concat(twttr.txt.extractCashtagsWithIndices(text)); if (entities.length == 0) { return []; } twttr.txt.removeOverlappingEntities(entities); return entities; }; twttr.txt.extractMentions = function(text) { var screenNamesOnly = [], screenNamesWithIndices = twttr.txt.extractMentionsWithIndices(text); for (var i = 0; i < screenNamesWithIndices.length; i++) { var screenName = screenNamesWithIndices[i].screenName; screenNamesOnly.push(screenName); } return screenNamesOnly; }; twttr.txt.extractMentionsWithIndices = function(text) { var mentions = [], mentionOrList, mentionsOrLists = twttr.txt.extractMentionsOrListsWithIndices(text); for (var i = 0 ; i < mentionsOrLists.length; i++) { mentionOrList = mentionsOrLists[i]; if (mentionOrList.listSlug == '') { mentions.push({ screenName: mentionOrList.screenName, indices: mentionOrList.indices }); } } return mentions; }; /** * Extract list or user mentions. * (Presence of listSlug indicates a list) */ twttr.txt.extractMentionsOrListsWithIndices = function(text) { if (!text \|\| !text.match(twttr.txt.regexen.atSigns)) { return []; } var possibleNames = [], slashListname; text.replace(twttr.txt.regexen.validMentionOrList, function(match, before, atSign, screenName, slashListname, offset, chunk) { var after = chunk.slice(offset + match.length); if (!after.match(twttr.txt.regexen.endMentionMatch)) { slashListname = slashListname \|\| ''; var startPosition = offset + before.length; var endPosition = startPosition + screenName.length + slashListname.length + 1; possibleNames.push({ screenName: screenName, listSlug: slashListname, indices: [startPosition, endPosition] }); } }); return possibleNames; }; twttr.txt.extractReplies = function(text) { if (!text) { return null; } var possibleScreenName = text.match(twttr.txt.regexen.validReply); if (!possibleScreenName \|\| RegExp.rightContext.match(twttr.txt.regexen.endMentionMatch)) { return null; } return possibleScreenName[1]; }; twttr.txt.extractUrls = function(text, options) { var urlsOnly = [], urlsWithIndices = twttr.txt.extractUrlsWithIndices(text, options); for (var i = 0; i < urlsWithIndices.length; i++) { urlsOnly.push(urlsWithIndices[i].url); } return urlsOnly; }; twttr.txt.extractUrlsWithIndices = function(text, options) { if (!options) { options = {extractUrlsWithoutProtocol: true}; } if (!text \|\| (options.extractUrlsWithoutProtocol ? !text.match(/\./) : !text.match(/:/))) { return []; } var urls = []; while (twttr.txt.regexen.extractUrl.exec(text)) { var before = RegExp.$2, url = RegExp.$3, protocol = RegExp.$4, domain = RegExp.$5, path = RegExp.$7; var endPosition = twttr.txt.regexen.extractUrl.lastIndex, startPosition = endPosition - url.length; // if protocol is missing and domain contains non-ASCII characters, // extract ASCII-only domains. if (!protocol) { if (!options.extractUrlsWithoutProtocol \|\| before.match(twttr.txt.regexen.invalidUrlWithoutProtocolPrecedingChars)) { continue; } var lastUrl = null, asciiEndPosition = 0; domain.replace(twttr.txt.regexen.validAsciiDomain, function(asciiDomain) { var asciiStartPosition = domain.indexOf(asciiDomain, asciiEndPosition); asciiEndPosition = asciiStartPosition + asciiDomain.length; lastUrl = { url: asciiDomain, indices: [startPosition + asciiStartPosition, startPosition + asciiEndPosition] }; if (path \|\| asciiDomain.match(twttr.txt.regexen.validSpecialShortDomain) \|\| !asciiDomain.match(twttr.txt.regexen.invalidShortDomain)) { urls.push(lastUrl); } }); // no ASCII-only domain found. Skip the entire URL. if (lastUrl == null) { continue; } // lastUrl only contains domain. Need to add path and query if they exist. if (path) { lastUrl.url = url.replace(domain, lastUrl.url); lastUrl.indices[1] = endPosition; } } else { // In the case of t.co URLs, don't allow additional path characters. if (url.match(twttr.txt.regexen.validTcoUrl)) { url = RegExp.lastMatch; endPosition = startPosition + url.length; } urls.push({ url: url, indices: [startPosition, endPosition] }); } } return urls; }; twttr.txt.extractHashtags = function(text) { var hashtagsOnly = [], hashtagsWithIndices = twttr.txt.extractHashtagsWithIndices(text); for (var i = 0; i < hashtagsWithIndices.length; i++) { hashtagsOnly.push(hashtagsWithIndices[i].hashtag); } return hashtagsOnly; }; twttr.txt.extractHashtagsWithIndices = function(text, options) { if (!options) { options = {checkUrlOverlap: true}; } if (!text \|\| !text.match(twttr.txt.regexen.hashSigns)) { return []; } var tags = []; text.replace(twttr.txt.regexen.validHashtag, function(match, before, hash, hashText, offset, chunk) { var after = chunk.slice(offset + match.length); if (after.match(twttr.txt.regexen.endHashtagMatch)) return; var startPosition = offset + before.length; var endPosition = startPosition + hashText.length + 1; tags.push({ hashtag: hashText, indices: [startPosition, endPosition] }); }); if (options.checkUrlOverlap) { // also extract URL entities var urls = twttr.txt.extractUrlsWithIndices(text); if (urls.length > 0) { var entities = tags.concat(urls); // remove overlap twttr.txt.removeOverlappingEntities(entities); // only push back hashtags tags = []; for (var i = 0; i < entities.length; i++) { if (entities[i].hashtag) { tags.push(entities[i]); } } } } return tags; }; twttr.txt.extractCashtags = function(text) { var cashtagsOnly = [], cashtagsWithIndices = twttr.txt.extractCashtagsWithIndices(text); for (var i = 0; i < cashtagsWithIndices.length; i++) { cashtagsOnly.push(cashtagsWithIndices[i].cashtag); } return cashtagsOnly; }; twttr.txt.extractCashtagsWithIndices = function(text) { if (!text \|\| text.indexOf("$") == -1) { return []; } var tags = []; text.replace(twttr.txt.regexen.validCashtag, function(match, before, dollar, cashtag, offset, chunk) { var startPosition = offset + before.length; var endPosition = startPosition + cashtag.length + 1; tags.push({ cashtag: cashtag, indices: [startPosition, endPosition] }); }); return tags; }; twttr.txt.modifyIndicesFromUnicodeToUTF16 = function(text, entities) { twttr.txt.convertUnicodeIndices(text, entities, false); }; twttr.txt.modifyIndicesFromUTF16ToUnicode = function(text, entities) { twttr.txt.convertUnicodeIndices(text, entities, true); }; twttr.txt.getUnicodeTextLength = function(text) { return text.replace(twttr.txt.regexen.non_bmp_code_pairs, ' ').length; }; twttr.txt.convertUnicodeIndices = function(text, entities, indicesInUTF16) { if (entities.length == 0) { return; } var charIndex = 0; var codePointIndex = 0; // sort entities by start index entities.sort(function(a,b){ return a.indices[0] - b.indices[0]; }); var entityIndex = 0; var entity = entities[0]; while (charIndex < text.length) { if (entity.indices[0] == (indicesInUTF16 ? charIndex : codePointIndex)) { var len = entity.indices[1] - entity.indices[0]; entity.indices[0] = indicesInUTF16 ? codePointIndex : charIndex; entity.indices[1] = entity.indices[0] + len; entityIndex++; if (entityIndex == entities.length) { // no more entity break; } entity = entities[entityIndex]; } var c = text.charCodeAt(charIndex); if (0xD800 <= c && c <= 0xDBFF && charIndex < text.length - 1) { // Found high surrogate char c = text.charCodeAt(charIndex + 1); if (0xDC00 <= c && c <= 0xDFFF) { // Found surrogate pair charIndex++; } } codePointIndex++; charIndex++; } }; // this essentially does text.split(/<\|>/) // except that won't work in IE, where empty strings are ommitted // so "<>".split(/<\|>/) => [] in IE, but is ["", "", ""] in all others // but "<<".split("<") => ["", "", ""] twttr.txt.splitTags = function(text) { var firstSplits = text.split("<"), secondSplits, allSplits = [], split; for (var i = 0; i < firstSplits.length; i += 1) { split = firstSplits[i]; if (!split) { allSplits.push(""); } else { secondSplits = split.split(">"); for (var j = 0; j < secondSplits.length; j += 1) { allSplits.push(secondSplits[j]); } } } return allSplits; }; twttr.txt.hitHighlight = function(text, hits, options) { var defaultHighlightTag = "em"; hits = hits \|\| []; options = options \|\| {}; if (hits.length === 0) { return text; } var tagName = options.tag \|\| defaultHighlightTag, tags = ["<" + tagName + ">", "</" + tagName + ">"], chunks = twttr.txt.splitTags(text), i, j, result = "", chunkIndex = 0, chunk = chunks[0], prevChunksLen = 0, chunkCursor = 0, startInChunk = false, chunkChars = chunk, flatHits = [], index, hit, tag, placed, hitSpot; for (i = 0; i < hits.length; i += 1) { for (j = 0; j < hits[i].length; j += 1) { flatHits.push(hits[i][j]); } } for (index = 0; index < flatHits.length; index += 1) { hit = flatHits[index]; tag = tags[index % 2]; placed = false; while (chunk != null && hit >= prevChunksLen + chunk.length) { result += chunkChars.slice(chunkCursor); if (startInChunk && hit === prevChunksLen + chunkChars.length) { result += tag; placed = true; } if (chunks[chunkIndex + 1]) { result += "<" + chunks[chunkIndex + 1] + ">"; } prevChunksLen += chunkChars.length; chunkCursor = 0; chunkIndex += 2; chunk = chunks[chunkIndex]; chunkChars = chunk; startInChunk = false; } if (!placed && chunk != null) { hitSpot = hit - prevChunksLen; result += chunkChars.slice(chunkCursor, hitSpot) + tag; chunkCursor = hitSpot; if (index % 2 === 0) { startInChunk = true; } else { startInChunk = false; } } else if(!placed) { placed = true; result += tag; } } if (chunk != null) { if (chunkCursor < chunkChars.length) { result += chunkChars.slice(chunkCursor); } for (index = chunkIndex + 1; index < chunks.length; index += 1) { result += (index % 2 === 0 ? chunks[index] : "<" + chunks[index] + ">"); } } return result; }; var MAX_LENGTH = 140; // Characters not allowed in Tweets var INVALID_CHARACTERS = [ // BOM fromCode(0xFFFE), fromCode(0xFEFF), // Special fromCode(0xFFFF), // Directional Change fromCode(0x202A), fromCode(0x202B), fromCode(0x202C), fromCode(0x202D), fromCode(0x202E) ]; // Returns the length of Tweet text with consideration to t.co URL replacement // and chars outside the basic multilingual plane that use 2 UTF16 code points twttr.txt.getTweetLength = function(text, options) { if (!options) { options = { // These come from https://api.twitter.com/1/help/configuration.json // described by https://dev.twitter.com/docs/api/1/get/help/configuration short_url_length: 23, short_url_length_https: 23 }; } var textLength = twttr.txt.getUnicodeTextLength(text), urlsWithIndices = twttr.txt.extractUrlsWithIndices(text); twttr.txt.modifyIndicesFromUTF16ToUnicode(text, urlsWithIndices); for (var i = 0; i < urlsWithIndices.length; i++) { // Subtract the length of the original URL textLength += urlsWithIndices[i].indices[0] - urlsWithIndices[i].indices[1]; // Add 23 characters for URL starting with https:// // http:// URLs still use https://t.co so they are 23 characters as well if (urlsWithIndices[i].url.toLowerCase().match(twttr.txt.regexen.urlHasHttps)) { textLength += options.short_url_length_https; } else { textLength += options.short_url_length; } } return textLength; }; // Check the text for any reason that it may not be valid as a Tweet. This is meant as a pre-validation // before posting to api.twitter.com. There are several server-side reasons for Tweets to fail but this pre-validation // will allow quicker feedback. // // Returns false if this text is valid. Otherwise one of the following strings will be returned: // // "too_long": if the text is too long // "empty": if the text is nil or empty // "invalid_characters": if the text contains non-Unicode or any of the disallowed Unicode characters twttr.txt.isInvalidTweet = function(text) { if (!text) { return "empty"; } // Determine max length independent of URL length if (twttr.txt.getTweetLength(text) > MAX_LENGTH) { return "too_long"; } if (twttr.txt.hasInvalidCharacters(text)) { return "invalid_characters"; } return false; }; twttr.txt.hasInvalidCharacters = function(text) { for (var i = 0; i < INVALID_CHARACTERS.length; i++) { if (text.indexOf(INVALID_CHARACTERS[i]) >= 0) { return true; } } return false; }; twttr.txt.isValidTweetText = function(text) { return !twttr.txt.isInvalidTweet(text); }; twttr.txt.isValidUsername = function(username) { if (!username) { return false; } var extracted = twttr.txt.extractMentions(username); // Should extract the username minus the @ sign, hence the .slice(1) return extracted.length === 1 && extracted[0] === username.slice(1); }; var VALID_LIST_RE = regexSupplant(/^#{validMentionOrList}$/); twttr.txt.isValidList = function(usernameList) { var match = usernameList.match(VALID_LIST_RE); // Must have matched and had nothing before or after return !!(match && match[1] == "" && match[4]); }; twttr.txt.isValidHashtag = function(hashtag) { if (!hashtag) { return false; } var extracted = twttr.txt.extractHashtags(hashtag); // Should extract the hashtag minus the # sign, hence the .slice(1) return extracted.length === 1 && extracted[0] === hashtag.slice(1); }; twttr.txt.isValidUrl = function(url, unicodeDomains, requireProtocol) { if (unicodeDomains == null) { unicodeDomains = true; } if (requireProtocol == null) { requireProtocol = true; } if (!url) { return false; } var urlParts = url.match(twttr.txt.regexen.validateUrlUnencoded); if (!urlParts \|\| urlParts[0] !== url) { return false; } var scheme = urlParts[1], authority = urlParts[2], path = urlParts[3], query = urlParts[4], fragment = urlParts[5]; if (!( (!requireProtocol \|\| (isValidMatch(scheme, twttr.txt.regexen.validateUrlScheme) && scheme.match(/^https?$/i))) && isValidMatch(path, twttr.txt.regexen.validateUrlPath) && isValidMatch(query, twttr.txt.regexen.validateUrlQuery, true) && isValidMatch(fragment, twttr.txt.regexen.validateUrlFragment, true) )) { return false; } return (unicodeDomains && isValidMatch(authority, twttr.txt.regexen.validateUrlUnicodeAuthority)) \|\| (!unicodeDomains && isValidMatch(authority, twttr.txt.regexen.validateUrlAuthority)); }; function isValidMatch(string, regex, optional) { if (!optional) { // RegExp["$&"] is the text of the last match // blank strings are ok, but are falsy, so we check stringiness instead of truthiness return ((typeof string === "string") && string.match(regex) && RegExp["$&"] === string); } // RegExp["$&"] is the text of the last match return (!string \|\| (string.match(regex) && RegExp["$&"] === string)); } if (typeof module != 'undefined' && module.exports) { module.exports = twttr.txt; } if (typeof define == 'function' && define.amd) { define([], twttr.txt); } if (typeof window != 'undefined') { if (window.twttr) { for (var prop in twttr) { window.twttr[prop] = twttr[prop]; } } else { window.twttr = twttr; } } })();

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