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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 | 42x 42x 42x 42x 42x 42x 42x 42x 42x 42x 42x 42x 42x 42x 42x 42x 42x 42x 42x 42x 42x 42x 42x 42x 42x 42x 42x 42x 42x 42x 42x 42x 42x 42x 42x 42x 42x 42x 42x 42x 42x 42x 42x 2771x 1010x 489x 488x 1x 2x 167x 1x 166x 3x 1x 2x 168x 1x 167x 3x 3x 1x 2x 2x 1x 1x 27x 1x 26x 2x 1x 1x 2x 3x 1x 2x 2x 59x 1x 58x 2x 2x 5x 3x 2x 3x 3x 3x 2x 2x 2x 2x 2x 2x 27x 16x 702x 545x 1x 11x 3x 15x 4x 3x 3x 2x 11x 1x 2x 2x 1x 9x 3x 3x 9x 5x 3x 5x 5x 7x 3x 3x 3x 3x 3x 3x 9x 22x 1337x 852x 1x 99x 1x 106x 1x 1x 1x 1x 93x 1x 1x 1x 1x 71x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 84x 8x 42x 42x 42x 42x | /* * Copyright (c) AXA Group Operations Spain S.A. * * Permission is hereby granted, free of charge, to any person obtaining * a copy of this software and associated documentation files (the * "Software"), to deal in the Software without restriction, including * without limitation the rights to use, copy, modify, merge, publish, * distribute, sublicense, and/or sell copies of the Software, and to * permit persons to whom the Software is furnished to do so, subject to * the following conditions: * * The above copyright notice and this permission notice shall be * included in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ const ArabicStemmer = require('./stemmers/arabic-stemmer'); const ArmenianStemmer = require('./stemmers/armenian-stemmer'); const BasqueStemmer = require('./stemmers/basque-stemmer'); const CatalanStemmer = require('./stemmers/catalan-stemmer'); const CzechStemmer = require('./stemmers/czech-stemmer'); const ChineseStemmer = require('./stemmers/chinese-stemmer'); const ChineseTokenizer = require('./tokenizers/chinese-tokenizer'); const DanishStemmer = require('./stemmers/danish-stemmer'); const DutchStemmer = require('./stemmers/dutch-stemmer'); const EnglishStemmer = require('./stemmers/english-stemmer'); const FinnishStemmer = require('./stemmers/finnish-stemmer'); const FrenchStemmer = require('./stemmers/french-stemmer'); const GalicianStemmer = require('./stemmers/galician-stemmer'); const GermanStemmer = require('./stemmers/german-stemmer'); const HungarianStemmer = require('./stemmers/hungarian-stemmer'); const IrishStemmer = require('./stemmers/irish-stemmer'); const ItalianStemmer = require('./stemmers/italian-stemmer'); const JapaneseStemmer = require('./stemmers/japanese-stemmer'); const NorwegianStemmer = require('./stemmers/norwegian-stemmer'); const PortugueseStemmer = require('./stemmers/portuguese-stemmer'); const PunctTokenizer = require('./tokenizers/punct-tokenizer'); const RomanianStemmer = require('./stemmers/romanian-stemmer'); const RussianStemmer = require('./stemmers/russian-stemmer'); const SloveneStemmer = require('./stemmers/slovene-stemmer'); const SpanishStemmer = require('./stemmers/spanish-stemmer'); const SwedishStemmer = require('./stemmers/swedish-stemmer'); const TagalogStemmer = require('./stemmers/tagalog-stemmer'); const TamilStemmer = require('./stemmers/tamil-stemmer'); const TokenizeStemmer = require('./stemmers/tokenize-stemmer'); const TurkishStemmer = require('./stemmers/turkish-stemmer'); const PorterStemmer = require('./stemmers/natural/porter-stemmer'); const PorterStemmerEs = require('./stemmers/natural/porter-stemmer-es'); const PorterStemmerFa = require('./stemmers/natural/porter-stemmer-fa'); const PorterStemmerFr = require('./stemmers/natural/porter-stemmer-fr'); const PorterStemmerRu = require('./stemmers/natural/porter-stemmer-ru'); const PorterStemmerIt = require('./stemmers/natural/porter-stemmer-it'); const PorterStemmerNo = require('./stemmers/natural/porter-stemmer-no'); const PorterStemmerPt = require('./stemmers/natural/porter-stemmer-pt'); const PorterStemmerSv = require('./stemmers/natural/porter-stemmer-sv'); const PorterStemmerNl = require('./stemmers/natural/porter-stemmer-nl'); const StemmerJa = require('./stemmers/natural/stemmer-ja'); const StemmerId = require('./stemmers/natural/indonesian/stemmer_id'); const { AggressiveTokenizerEn, AggressiveTokenizerFa, AggressiveTokenizerFr, AggressiveTokenizerRu, AggressiveTokenizerEs, AggressiveTokenizerGl, AggressiveTokenizerId, AggressiveTokenizerIt, AggressiveTokenizerNl, AggressiveTokenizerNo, AggressiveTokenizerPt, AggressiveTokenizerPl, AggressiveTokenizerSv, AggressiveTokenizerTl, TokenizerJa, } = require('./tokenizers'); class NlpUtil { /** * Given a locale, get the 2 character one. * @param {String} locale Locale of the language. * @returns {String} Locale in 2 character length. */ static getTruncatedLocale(locale) { return locale ? locale.substr(0, 2).toLowerCase() : undefined; } static getStemmer(locale) { switch (locale) { case 'en': // English if (NlpUtil.useAlternative[locale]) { return new EnglishStemmer(NlpUtil.getTokenizer(locale)); } return PorterStemmer; case 'fa': // Farsi return PorterStemmerFa; case 'fr': // French if (NlpUtil.useAlternative[locale]) { return new FrenchStemmer(NlpUtil.getTokenizer(locale)); } return PorterStemmerFr; // French case 'ru': // Russian if (NlpUtil.useAlternative[locale]) { return new RussianStemmer(NlpUtil.getTokenizer(locale)); } return PorterStemmerRu; case 'es': // Spanish if (NlpUtil.useAlternative[locale]) { return new SpanishStemmer(NlpUtil.getTokenizer(locale)); } return PorterStemmerEs; case 'gl': // Galician return new GalicianStemmer(NlpUtil.getTokenizer(locale)); case 'it': // Italian if (NlpUtil.useAlternative[locale]) { return new ItalianStemmer(NlpUtil.getTokenizer(locale)); } return PorterStemmerIt; case 'no': // Norwegian if (NlpUtil.useAlternative[locale]) { return new NorwegianStemmer(NlpUtil.getTokenizer(locale)); } return PorterStemmerNo; case 'pt': // Portuguese if (NlpUtil.useAlternative[locale]) { return new PortugueseStemmer(NlpUtil.getTokenizer(locale)); } return PorterStemmerPt; case 'sv': // Swedish if (NlpUtil.useAlternative[locale]) { return new SwedishStemmer(NlpUtil.getTokenizer(locale)); } return PorterStemmerSv; case 'tl': // Tagalog return new TagalogStemmer(NlpUtil.getTokenizer(locale)); case 'nl': // Dutch if (NlpUtil.useAlternative[locale]) { return new DutchStemmer(NlpUtil.getTokenizer(locale)); } return PorterStemmerNl; case 'id': return StemmerId; // Indonesian case 'ja': if (NlpUtil.useAlternative[locale]) { return new JapaneseStemmer(); } return new StemmerJa(); // Japanese case 'ar': return new ArabicStemmer(NlpUtil.getTokenizer(locale)); // Arabic case 'hy': return new ArmenianStemmer(NlpUtil.getTokenizer(locale)); // Armenian case 'eu': return new BasqueStemmer(NlpUtil.getTokenizer(locale)); // Basque case 'ca': return new CatalanStemmer(NlpUtil.getTokenizer(locale)); // Catalan case 'cs': return new CzechStemmer(NlpUtil.getTokenizer(locale)); // Czech case 'da': return new DanishStemmer(NlpUtil.getTokenizer(locale)); // Danish case 'fi': return new FinnishStemmer(NlpUtil.getTokenizer(locale)); // Finnish case 'de': return new GermanStemmer(NlpUtil.getTokenizer(locale)); // German case 'hu': return new HungarianStemmer(NlpUtil.getTokenizer(locale)); // Hungarian case 'ga': return new IrishStemmer(NlpUtil.getTokenizer(locale)); // Irish case 'ro': return new RomanianStemmer(NlpUtil.getTokenizer(locale)); // Romanian case 'sl': return new SloveneStemmer(NlpUtil.getTokenizer(locale)); // Slovene case 'ta': return new TamilStemmer(NlpUtil.getTokenizer(locale)); // Tamil case 'tr': return new TurkishStemmer(NlpUtil.getTokenizer(locale)); // Turkish case 'zh': return new ChineseStemmer(); // Chinese default: return new TokenizeStemmer(NlpUtil.getTokenizer(locale)); } } static getTokenizer(locale) { switch (locale) { case 'en': return new AggressiveTokenizerEn(); // English case 'fa': return new AggressiveTokenizerFa(); // Farsi case 'fr': return new AggressiveTokenizerFr(); // French case 'ru': return new AggressiveTokenizerRu(); // Russian case 'es': return new AggressiveTokenizerEs(); // Spanish case 'gl': return new AggressiveTokenizerGl(); // Galician case 'it': return new AggressiveTokenizerIt(); // Italian case 'nl': return new AggressiveTokenizerNl(); // Dutch case 'no': return new AggressiveTokenizerNo(); // Norwegian case 'pt': return new AggressiveTokenizerPt(); // Portuguese case 'pl': return new AggressiveTokenizerPl(); // Polish case 'sv': return new AggressiveTokenizerSv(); // Swedish case 'tl': return new AggressiveTokenizerTl(); // Tagalog case 'id': return new AggressiveTokenizerId(); // Indonesian case 'ja': return new TokenizerJa(); // Japanese case 'ar': return new PunctTokenizer(); // Arabic case 'hy': return new PunctTokenizer(); // Armenian case 'eu': return new PunctTokenizer(); // Basque case 'ca': return new PunctTokenizer(); // Catalan case 'cs': return new PunctTokenizer(); // Czech case 'da': return new PunctTokenizer(); // Danish case 'fi': return new PunctTokenizer(); // Finnish case 'de': return new PunctTokenizer(); // German case 'hu': return new PunctTokenizer(); // Hungarian case 'ga': return new PunctTokenizer(); // Irish case 'ro': return new PunctTokenizer(); // Romanian case 'sl': return new PunctTokenizer(); // Slovene case 'ta': return new PunctTokenizer(); // Tamil case 'tr': return new PunctTokenizer(); // Turkish case 'zh': return new ChineseTokenizer(); // Chinese default: return NlpUtil.tokenizers[locale] || new PunctTokenizer(); } } static getCulture(locale) { switch (locale) { case 'en': return 'en-us'; // English case 'fa': return 'fa-ir'; // Farsi case 'fr': return 'fr-fr'; // French case 'ru': return 'ru-ru'; // Russian case 'es': return 'es-es'; // Spanish case 'gl': return 'gl-es'; // Galician case 'it': return 'it-it'; // Italian case 'nl': return 'nl-nl'; // Dutch case 'no': return 'no-no'; // Norwegian case 'pt': return 'pt-br'; // Portuguese case 'pl': return 'pl-pl'; // Polish case 'sv': return 'sv-se'; // Swedish case 'tl': return 'tl-ph'; // Tagalog case 'id': return 'id-id'; // Indonesian case 'ja': return 'ja-jp'; // Japanese case 'ar': return 'ar-ae'; // Arabic case 'hy': return 'hy-am'; // Armenian case 'eu': return 'eu-es'; // Basque case 'ca': return 'ca-es'; // Catalan case 'cs': return 'cs-cz'; // Czech case 'da': return 'da-dk'; // Danish case 'fi': return 'fi-fi'; // Finnish case 'de': return 'de-de'; // German case 'hu': return 'hu-hu'; // Hungarian case 'ga': return 'ga-ie'; // Irish case 'ro': return 'ro-ro'; // Romanian case 'sl': return 'sl-sl'; // Slovene case 'ta': return 'ta-in'; // Tamil case 'tr': return 'tr-tr'; // Turkish case 'zh': return 'zh-cn'; // Chinese default: return locale ? `${locale}-${locale}` : 'en-us'; } } } NlpUtil.useAlternative = { en: true, fa: false, fr: false, ru: false, es: false, gl: false, it: false, nl: false, no: false, pt: false, pl: false, sv: false, tl: false, id: false, ja: false, ca: false, da: false, fi: false, de: false, hu: false, ro: false, tr: false, }; NlpUtil.useNoneFeature = { en: true, fa: false, fr: true, ru: true, es: true, gl: true, it: true, nl: true, no: true, pt: true, pl: true, sv: true, tl: true, id: true, ja: false, ar: false, hy: false, eu: true, ca: true, cs: true, da: true, fi: true, de: true, hu: true, ga: true, ro: true, sl: true, ta: false, tr: true, zh: false, }; NlpUtil.tokenizers = {}; module.exports = NlpUtil; |