147 lines
6 KiB
JavaScript
147 lines
6 KiB
JavaScript
var LATIN_MAP = {
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'À': 'A', 'Á': 'A', 'Â': 'A', 'Ã': 'A', 'Ä': 'A', 'Å': 'A', 'Æ': 'AE', 'Ç':
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'C', 'È': 'E', 'É': 'E', 'Ê': 'E', 'Ë': 'E', 'Ì': 'I', 'Í': 'I', 'Î': 'I',
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'Ï': 'I', 'Ð': 'D', 'Ñ': 'N', 'Ò': 'O', 'Ó': 'O', 'Ô': 'O', 'Õ': 'O', 'Ö':
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'O', 'Ő': 'O', 'Ø': 'O', 'Ù': 'U', 'Ú': 'U', 'Û': 'U', 'Ü': 'U', 'Ű': 'U',
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'Ý': 'Y', 'Þ': 'TH', 'Ÿ': 'Y', 'ß': 'ss', 'à':'a', 'á':'a', 'â': 'a', 'ã':
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'a', 'ä': 'a', 'å': 'a', 'æ': 'ae', 'ç': 'c', 'è': 'e', 'é': 'e', 'ê': 'e',
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'ë': 'e', 'ì': 'i', 'í': 'i', 'î': 'i', 'ï': 'i', 'ð': 'd', 'ñ': 'n', 'ò':
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'o', 'ó': 'o', 'ô': 'o', 'õ': 'o', 'ö': 'o', 'ő': 'o', 'ø': 'o', 'ù': 'u',
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'ú': 'u', 'û': 'u', 'ü': 'u', 'ű': 'u', 'ý': 'y', 'þ': 'th', 'ÿ': 'y'
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};
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var LATIN_SYMBOLS_MAP = {
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'©':'(c)'
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};
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var GREEK_MAP = {
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'α':'a', 'β':'b', 'γ':'g', 'δ':'d', 'ε':'e', 'ζ':'z', 'η':'h', 'θ':'8',
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'ι':'i', 'κ':'k', 'λ':'l', 'μ':'m', 'ν':'n', 'ξ':'3', 'ο':'o', 'π':'p',
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'ρ':'r', 'σ':'s', 'τ':'t', 'υ':'y', 'φ':'f', 'χ':'x', 'ψ':'ps', 'ω':'w',
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'ά':'a', 'έ':'e', 'ί':'i', 'ό':'o', 'ύ':'y', 'ή':'h', 'ώ':'w', 'ς':'s',
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'ϊ':'i', 'ΰ':'y', 'ϋ':'y', 'ΐ':'i',
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'Α':'A', 'Β':'B', 'Γ':'G', 'Δ':'D', 'Ε':'E', 'Ζ':'Z', 'Η':'H', 'Θ':'8',
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'Ι':'I', 'Κ':'K', 'Λ':'L', 'Μ':'M', 'Ν':'N', 'Ξ':'3', 'Ο':'O', 'Π':'P',
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'Ρ':'R', 'Σ':'S', 'Τ':'T', 'Υ':'Y', 'Φ':'F', 'Χ':'X', 'Ψ':'PS', 'Ω':'W',
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'Ά':'A', 'Έ':'E', 'Ί':'I', 'Ό':'O', 'Ύ':'Y', 'Ή':'H', 'Ώ':'W', 'Ϊ':'I',
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'Ϋ':'Y'
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};
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var TURKISH_MAP = {
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'ş':'s', 'Ş':'S', 'ı':'i', 'İ':'I', 'ç':'c', 'Ç':'C', 'ü':'u', 'Ü':'U',
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'ö':'o', 'Ö':'O', 'ğ':'g', 'Ğ':'G'
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};
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var RUSSIAN_MAP = {
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'а':'a', 'б':'b', 'в':'v', 'г':'g', 'д':'d', 'е':'e', 'ё':'yo', 'ж':'zh',
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'з':'z', 'и':'i', 'й':'j', 'к':'k', 'л':'l', 'м':'m', 'н':'n', 'о':'o',
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'п':'p', 'р':'r', 'с':'s', 'т':'t', 'у':'u', 'ф':'f', 'х':'h', 'ц':'c',
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'ч':'ch', 'ш':'sh', 'щ':'sh', 'ъ':'', 'ы':'y', 'ь':'', 'э':'e', 'ю':'yu',
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'я':'ya',
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'А':'A', 'Б':'B', 'В':'V', 'Г':'G', 'Д':'D', 'Е':'E', 'Ё':'Yo', 'Ж':'Zh',
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'З':'Z', 'И':'I', 'Й':'J', 'К':'K', 'Л':'L', 'М':'M', 'Н':'N', 'О':'O',
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'П':'P', 'Р':'R', 'С':'S', 'Т':'T', 'У':'U', 'Ф':'F', 'Х':'H', 'Ц':'C',
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'Ч':'Ch', 'Ш':'Sh', 'Щ':'Sh', 'Ъ':'', 'Ы':'Y', 'Ь':'', 'Э':'E', 'Ю':'Yu',
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'Я':'Ya'
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};
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var UKRAINIAN_MAP = {
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'Є':'Ye', 'І':'I', 'Ї':'Yi', 'Ґ':'G', 'є':'ye', 'і':'i', 'ї':'yi', 'ґ':'g'
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};
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var CZECH_MAP = {
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'č':'c', 'ď':'d', 'ě':'e', 'ň': 'n', 'ř':'r', 'š':'s', 'ť':'t', 'ů':'u',
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'ž':'z', 'Č':'C', 'Ď':'D', 'Ě':'E', 'Ň': 'N', 'Ř':'R', 'Š':'S', 'Ť':'T',
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'Ů':'U', 'Ž':'Z'
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};
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var POLISH_MAP = {
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'ą':'a', 'ć':'c', 'ę':'e', 'ł':'l', 'ń':'n', 'ó':'o', 'ś':'s', 'ź':'z',
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'ż':'z', 'Ą':'A', 'Ć':'C', 'Ę':'E', 'Ł':'L', 'Ń':'N', 'Ó':'O', 'Ś':'S',
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'Ź':'Z', 'Ż':'Z'
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};
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var LATVIAN_MAP = {
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'ā':'a', 'č':'c', 'ē':'e', 'ģ':'g', 'ī':'i', 'ķ':'k', 'ļ':'l', 'ņ':'n',
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'š':'s', 'ū':'u', 'ž':'z', 'Ā':'A', 'Č':'C', 'Ē':'E', 'Ģ':'G', 'Ī':'I',
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'Ķ':'K', 'Ļ':'L', 'Ņ':'N', 'Š':'S', 'Ū':'U', 'Ž':'Z'
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};
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var ARABIC_MAP = {
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'أ':'a', 'ب':'b', 'ت':'t', 'ث': 'th', 'ج':'g', 'ح':'h', 'خ':'kh', 'د':'d',
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'ذ':'th', 'ر':'r', 'ز':'z', 'س':'s', 'ش':'sh', 'ص':'s', 'ض':'d', 'ط':'t',
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'ظ':'th', 'ع':'aa', 'غ':'gh', 'ف':'f', 'ق':'k', 'ك':'k', 'ل':'l', 'م':'m',
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'ن':'n', 'ه':'h', 'و':'o', 'ي':'y'
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};
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var LITHUANIAN_MAP = {
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'ą':'a', 'č':'c', 'ę':'e', 'ė':'e', 'į':'i', 'š':'s', 'ų':'u', 'ū':'u',
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'ž':'z',
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'Ą':'A', 'Č':'C', 'Ę':'E', 'Ė':'E', 'Į':'I', 'Š':'S', 'Ų':'U', 'Ū':'U',
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'Ž':'Z'
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};
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var SERBIAN_MAP = {
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'ђ':'dj', 'ј':'j', 'љ':'lj', 'њ':'nj', 'ћ':'c', 'џ':'dz', 'đ':'dj',
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'Ђ':'Dj', 'Ј':'j', 'Љ':'Lj', 'Њ':'Nj', 'Ћ':'C', 'Џ':'Dz', 'Đ':'Dj'
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};
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var AZERBAIJANI_MAP = {
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'ç':'c', 'ə':'e', 'ğ':'g', 'ı':'i', 'ö':'o', 'ş':'s', 'ü':'u',
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'Ç':'C', 'Ə':'E', 'Ğ':'G', 'İ':'I', 'Ö':'O', 'Ş':'S', 'Ü':'U'
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};
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var ALL_DOWNCODE_MAPS = [
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LATIN_MAP,
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LATIN_SYMBOLS_MAP,
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GREEK_MAP,
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TURKISH_MAP,
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RUSSIAN_MAP,
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UKRAINIAN_MAP,
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CZECH_MAP,
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POLISH_MAP,
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LATVIAN_MAP,
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ARABIC_MAP,
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LITHUANIAN_MAP,
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SERBIAN_MAP,
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AZERBAIJANI_MAP
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];
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var Downcoder = {
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'Initialize': function() {
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if (Downcoder.map) { // already made
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return;
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}
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Downcoder.map = {};
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Downcoder.chars = [];
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for (var i=0; i<ALL_DOWNCODE_MAPS.length; i++) {
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var lookup = ALL_DOWNCODE_MAPS[i];
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for (var c in lookup) {
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if (lookup.hasOwnProperty(c)) {
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Downcoder.map[c] = lookup[c];
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}
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}
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}
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for (var k in Downcoder.map) {
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if (Downcoder.map.hasOwnProperty(k)) {
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Downcoder.chars.push(k);
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}
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}
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Downcoder.regex = new RegExp(Downcoder.chars.join('|'), 'g');
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}
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};
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function downcode(slug) {
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Downcoder.Initialize();
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return slug.replace(Downcoder.regex, function(m) {
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return Downcoder.map[m];
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});
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}
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function URLify(s, num_chars) {
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// changes, e.g., "Petty theft" to "petty_theft"
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// remove all these words from the string before urlifying
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s = downcode(s);
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var removelist = [
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"a", "an", "as", "at", "before", "but", "by", "for", "from", "is",
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"in", "into", "like", "of", "off", "on", "onto", "per", "since",
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"than", "the", "this", "that", "to", "up", "via", "with"
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];
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var r = new RegExp('\\b(' + removelist.join('|') + ')\\b', 'gi');
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s = s.replace(r, '');
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// if downcode doesn't hit, the char will be stripped here
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s = s.replace(/[^-\w\s]/g, ''); // remove unneeded chars
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s = s.replace(/^\s+|\s+$/g, ''); // trim leading/trailing spaces
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s = s.replace(/[-\s]+/g, '-'); // convert spaces to hyphens
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s = s.toLowerCase(); // convert to lowercase
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return s.substring(0, num_chars);// trim to first num_chars chars
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}
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