BaseInflector.php 16.6 KB
Newer Older
Antonio Ramirez committed
1 2 3
<?php
/**
 * @link http://www.yiiframework.com/
Carsten Brandt committed
4
 * @copyright Copyright (c) 2008 Yii Software LLC
Antonio Ramirez committed
5 6 7
 * @license http://www.yiiframework.com/license/
 */

8
namespace yii\helpers;
Antonio Ramirez committed
9 10 11 12

use Yii;

/**
13
 * BaseInflector provides concrete implementation for [[Inflector]].
14
 *
15
 * Do not use BaseInflector. Use [[Inflector]] instead.
Antonio Ramirez committed
16 17
 *
 * @author Antonio Ramirez <amigo.cobos@gmail.com>
18
 * @author Alexander Makarov <sam@rmcreative.ru>
Antonio Ramirez committed
19 20
 * @since 2.0
 */
21
class BaseInflector
Antonio Ramirez committed
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
    /**
     * @var array the rules for converting a word into its plural form.
     * The keys are the regular expressions and the values are the corresponding replacements.
     */
    public static $plurals = [
        '/([nrlm]ese|deer|fish|sheep|measles|ois|pox|media)$/i' => '\1',
        '/^(sea[- ]bass)$/i' => '\1',
        '/(m)ove$/i' => '\1oves',
        '/(f)oot$/i' => '\1eet',
        '/(h)uman$/i' => '\1umans',
        '/(s)tatus$/i' => '\1tatuses',
        '/(s)taff$/i' => '\1taff',
        '/(t)ooth$/i' => '\1eeth',
        '/(quiz)$/i' => '\1zes',
        '/^(ox)$/i' => '\1\2en',
        '/([m|l])ouse$/i' => '\1ice',
        '/(matr|vert|ind)(ix|ex)$/i' => '\1ices',
        '/(x|ch|ss|sh)$/i' => '\1es',
        '/([^aeiouy]|qu)y$/i' => '\1ies',
        '/(hive)$/i' => '\1s',
        '/(?:([^f])fe|([lr])f)$/i' => '\1\2ves',
        '/sis$/i' => 'ses',
        '/([ti])um$/i' => '\1a',
        '/(p)erson$/i' => '\1eople',
        '/(m)an$/i' => '\1en',
        '/(c)hild$/i' => '\1hildren',
        '/(buffal|tomat|potat|ech|her|vet)o$/i' => '\1oes',
        '/(alumn|bacill|cact|foc|fung|nucle|radi|stimul|syllab|termin|vir)us$/i' => '\1i',
        '/us$/i' => 'uses',
        '/(alias)$/i' => '\1es',
        '/(ax|cris|test)is$/i' => '\1es',
        '/s$/' => 's',
        '/^$/' => '',
        '/$/' => 's',
    ];
    /**
     * @var array the rules for converting a word into its singular form.
     * The keys are the regular expressions and the values are the corresponding replacements.
     */
    public static $singulars = [
        '/([nrlm]ese|deer|fish|sheep|measles|ois|pox|media|ss)$/i' => '\1',
        '/^(sea[- ]bass)$/i' => '\1',
        '/(s)tatuses$/i' => '\1tatus',
        '/(f)eet$/i' => '\1oot',
        '/(t)eeth$/i' => '\1ooth',
        '/^(.*)(menu)s$/i' => '\1\2',
        '/(quiz)zes$/i' => '\\1',
        '/(matr)ices$/i' => '\1ix',
        '/(vert|ind)ices$/i' => '\1ex',
        '/^(ox)en/i' => '\1',
        '/(alias)(es)*$/i' => '\1',
        '/(alumn|bacill|cact|foc|fung|nucle|radi|stimul|syllab|termin|viri?)i$/i' => '\1us',
        '/([ftw]ax)es/i' => '\1',
        '/(cris|ax|test)es$/i' => '\1is',
        '/(shoe|slave)s$/i' => '\1',
        '/(o)es$/i' => '\1',
        '/ouses$/' => 'ouse',
        '/([^a])uses$/' => '\1us',
        '/([m|l])ice$/i' => '\1ouse',
        '/(x|ch|ss|sh)es$/i' => '\1',
        '/(m)ovies$/i' => '\1\2ovie',
        '/(s)eries$/i' => '\1\2eries',
        '/([^aeiouy]|qu)ies$/i' => '\1y',
        '/([lr])ves$/i' => '\1f',
        '/(tive)s$/i' => '\1',
        '/(hive)s$/i' => '\1',
        '/(drive)s$/i' => '\1',
        '/([^fo])ves$/i' => '\1fe',
        '/(^analy)ses$/i' => '\1sis',
        '/(analy|diagno|^ba|(p)arenthe|(p)rogno|(s)ynop|(t)he)ses$/i' => '\1\2sis',
        '/([ti])a$/i' => '\1um',
        '/(p)eople$/i' => '\1\2erson',
        '/(m)en$/i' => '\1an',
        '/(c)hildren$/i' => '\1\2hild',
        '/(n)ews$/i' => '\1\2ews',
        '/eaus$/' => 'eau',
        '/^(.*us)$/' => '\\1',
        '/s$/i' => '',
    ];
    /**
     * @var array the special rules for converting a word between its plural form and singular form.
     * The keys are the special words in singular form, and the values are the corresponding plural form.
     */
    public static $specials = [
        'atlas' => 'atlases',
        'beef' => 'beefs',
        'brother' => 'brothers',
        'cafe' => 'cafes',
        'child' => 'children',
        'cookie' => 'cookies',
        'corpus' => 'corpuses',
        'cow' => 'cows',
        'curve' => 'curves',
        'foe' => 'foes',
        'ganglion' => 'ganglions',
        'genie' => 'genies',
        'genus' => 'genera',
        'graffito' => 'graffiti',
        'hoof' => 'hoofs',
        'loaf' => 'loaves',
        'man' => 'men',
        'money' => 'monies',
        'mongoose' => 'mongooses',
        'move' => 'moves',
        'mythos' => 'mythoi',
        'niche' => 'niches',
        'numen' => 'numina',
        'occiput' => 'occiputs',
        'octopus' => 'octopuses',
        'opus' => 'opuses',
        'ox' => 'oxen',
        'penis' => 'penises',
        'sex' => 'sexes',
        'soliloquy' => 'soliloquies',
        'testis' => 'testes',
        'trilby' => 'trilbys',
        'turf' => 'turfs',
        'wave' => 'waves',
        'Amoyese' => 'Amoyese',
        'bison' => 'bison',
        'Borghese' => 'Borghese',
        'bream' => 'bream',
        'breeches' => 'breeches',
        'britches' => 'britches',
        'buffalo' => 'buffalo',
        'cantus' => 'cantus',
        'carp' => 'carp',
        'chassis' => 'chassis',
        'clippers' => 'clippers',
        'cod' => 'cod',
        'coitus' => 'coitus',
        'Congoese' => 'Congoese',
        'contretemps' => 'contretemps',
        'corps' => 'corps',
        'debris' => 'debris',
        'diabetes' => 'diabetes',
        'djinn' => 'djinn',
        'eland' => 'eland',
        'elk' => 'elk',
        'equipment' => 'equipment',
        'Faroese' => 'Faroese',
        'flounder' => 'flounder',
        'Foochowese' => 'Foochowese',
        'gallows' => 'gallows',
        'Genevese' => 'Genevese',
        'Genoese' => 'Genoese',
        'Gilbertese' => 'Gilbertese',
        'graffiti' => 'graffiti',
        'headquarters' => 'headquarters',
        'herpes' => 'herpes',
        'hijinks' => 'hijinks',
        'Hottentotese' => 'Hottentotese',
        'information' => 'information',
        'innings' => 'innings',
        'jackanapes' => 'jackanapes',
        'Kiplingese' => 'Kiplingese',
        'Kongoese' => 'Kongoese',
        'Lucchese' => 'Lucchese',
        'mackerel' => 'mackerel',
        'Maltese' => 'Maltese',
        'mews' => 'mews',
        'moose' => 'moose',
        'mumps' => 'mumps',
        'Nankingese' => 'Nankingese',
        'news' => 'news',
        'nexus' => 'nexus',
        'Niasese' => 'Niasese',
        'Pekingese' => 'Pekingese',
        'Piedmontese' => 'Piedmontese',
        'pincers' => 'pincers',
        'Pistoiese' => 'Pistoiese',
        'pliers' => 'pliers',
        'Portuguese' => 'Portuguese',
        'proceedings' => 'proceedings',
        'rabies' => 'rabies',
        'rice' => 'rice',
        'rhinoceros' => 'rhinoceros',
        'salmon' => 'salmon',
        'Sarawakese' => 'Sarawakese',
        'scissors' => 'scissors',
        'series' => 'series',
        'Shavese' => 'Shavese',
        'shears' => 'shears',
        'siemens' => 'siemens',
        'species' => 'species',
        'swine' => 'swine',
        'testes' => 'testes',
        'trousers' => 'trousers',
        'trout' => 'trout',
        'tuna' => 'tuna',
        'Vermontese' => 'Vermontese',
        'Wenchowese' => 'Wenchowese',
        'whiting' => 'whiting',
        'wildebeest' => 'wildebeest',
        'Yengeese' => 'Yengeese',
    ];
    /**
220
     * @var array fallback map for transliteration used by [[slug()]] when intl isn't available.
221 222 223 224 225 226 227 228 229 230 231 232 233
     */
    public static $transliteration = [
        'À' => 'A', 'Á' => 'A', 'Â' => 'A', 'Ã' => 'A', 'Ä' => 'A', 'Å' => 'A', 'Æ' => 'AE', 'Ç' => 'C',
        'È' => 'E', 'É' => 'E', 'Ê' => 'E', 'Ë' => 'E', 'Ì' => 'I', 'Í' => 'I', 'Î' => 'I', 'Ï' => 'I',
        'Ð' => 'D', 'Ñ' => 'N', 'Ò' => 'O', 'Ó' => 'O', 'Ô' => 'O', 'Õ' => 'O', 'Ö' => 'O', 'Ő' => 'O',
        'Ø' => 'O', 'Ù' => 'U', 'Ú' => 'U', 'Û' => 'U', 'Ü' => 'U', 'Ű' => 'U', 'Ý' => 'Y', 'Þ' => 'TH',
        'ß' => 'ss',
        'à' => 'a', 'á' => 'a', 'â' => 'a', 'ã' => 'a', 'ä' => 'a', 'å' => 'a', 'æ' => 'ae', 'ç' => 'c',
        'è' => 'e', 'é' => 'e', 'ê' => 'e', 'ë' => 'e', 'ì' => 'i', 'í' => 'i', 'î' => 'i', 'ï' => 'i',
        'ð' => 'd', 'ñ' => 'n', 'ò' => 'o', 'ó' => 'o', 'ô' => 'o', 'õ' => 'o', 'ö' => 'o', 'ő' => 'o',
        'ø' => 'o', 'ù' => 'u', 'ú' => 'u', 'û' => 'u', 'ü' => 'u', 'ű' => 'u', 'ý' => 'y', 'þ' => 'th',
        'ÿ' => 'y',
    ];
234

235

236 237 238 239
    /**
     * Converts a word to its plural form.
     * Note that this is for English only!
     * For example, 'apple' will become 'apples', and 'child' will become 'children'.
240
     * @param string $word the word to be pluralized
241 242 243 244 245 246 247 248 249 250 251 252
     * @return string the pluralized word
     */
    public static function pluralize($word)
    {
        if (isset(static::$specials[$word])) {
            return static::$specials[$word];
        }
        foreach (static::$plurals as $rule => $replacement) {
            if (preg_match($rule, $word)) {
                return preg_replace($rule, $replacement, $word);
            }
        }
Antonio Ramirez committed
253

254 255
        return $word;
    }
Antonio Ramirez committed
256

257 258
    /**
     * Returns the singular of the $word
259
     * @param string $word the english word to singularize
260 261 262 263 264 265 266 267 268 269 270 271 272
     * @return string Singular noun.
     */
    public static function singularize($word)
    {
        $result = array_search($word, static::$specials, true);
        if ($result !== false) {
            return $result;
        }
        foreach (static::$singulars as $rule => $replacement) {
            if (preg_match($rule, $word)) {
                return preg_replace($rule, $replacement, $word);
            }
        }
Antonio Ramirez committed
273

274 275
        return $word;
    }
Antonio Ramirez committed
276

277 278 279
    /**
     * Converts an underscored or CamelCase word into a English
     * sentence.
280 281
     * @param string $words
     * @param boolean $ucAll whether to set all words to uppercase
282 283 284 285 286
     * @return string
     */
    public static function titleize($words, $ucAll = false)
    {
        $words = static::humanize(static::underscore($words), $ucAll);
287

288 289
        return $ucAll ? ucwords($words) : ucfirst($words);
    }
290

291 292 293 294 295 296
    /**
     * Returns given word as CamelCased
     * Converts a word like "send_email" to "SendEmail". It
     * will remove non alphanumeric character from the word, so
     * "who's online" will be converted to "WhoSOnline"
     * @see variablize()
297
     * @param string $word the word to CamelCase
298 299 300 301 302 303
     * @return string
     */
    public static function camelize($word)
    {
        return str_replace(' ', '', ucwords(preg_replace('/[^A-Za-z0-9]+/', ' ', $word)));
    }
304

305 306 307
    /**
     * Converts a CamelCase name into space-separated words.
     * For example, 'PostTag' will be converted to 'Post Tag'.
308 309 310
     * @param string $name the string to be converted
     * @param boolean $ucwords whether to capitalize the first letter in each word
     * @return string the resulting words
311 312 313 314 315 316 317
     */
    public static function camel2words($name, $ucwords = true)
    {
        $label = trim(strtolower(str_replace([
            '-',
            '_',
            '.'
318
        ], ' ', preg_replace('/(?<![A-Z])[A-Z]/', ' \0', $name))));
Antonio Ramirez committed
319

320 321
        return $ucwords ? ucwords($label) : $label;
    }
Antonio Ramirez committed
322

323 324 325 326
    /**
     * Converts a CamelCase name into an ID in lowercase.
     * Words in the ID may be concatenated using the specified character (defaults to '-').
     * For example, 'PostTag' will be converted to 'post-tag'.
327 328
     * @param string $name the string to be converted
     * @param string $separator the character used to concatenate the words in the ID
329
     * @param boolean|string $strict whether to insert a separator between two consecutive uppercase chars, defaults to false
330 331
     * @return string the resulting ID
     */
332
    public static function camel2id($name, $separator = '-', $strict = false)
333
    {
Tobias Munk committed
334
        $regex = $strict ? '/[A-Z]/' : '/(?<![A-Z])[A-Z]/';
335
        if ($separator === '_') {
336
            return trim(strtolower(preg_replace($regex, '_\0', $name)), '_');
337
        } else {
338
            return trim(strtolower(str_replace('_', $separator, preg_replace($regex, $separator . '\0', $name))), $separator);
339 340
        }
    }
Antonio Ramirez committed
341

342 343 344 345
    /**
     * Converts an ID into a CamelCase name.
     * Words in the ID separated by `$separator` (defaults to '-') will be concatenated into a CamelCase name.
     * For example, 'post-tag' is converted to 'PostTag'.
346 347
     * @param string $id the ID to be converted
     * @param string $separator the character used to separate the words in the ID
348 349 350 351 352 353
     * @return string the resulting CamelCase name
     */
    public static function id2camel($id, $separator = '-')
    {
        return str_replace(' ', '', ucwords(implode(' ', explode($separator, $id))));
    }
Antonio Ramirez committed
354

355 356
    /**
     * Converts any "CamelCased" into an "underscored_word".
357
     * @param string $words the word(s) to underscore
358 359 360 361 362 363
     * @return string
     */
    public static function underscore($words)
    {
        return strtolower(preg_replace('/(?<=\\w)([A-Z])/', '_\\1', $words));
    }
Antonio Ramirez committed
364

365 366
    /**
     * Returns a human-readable string from $word
367 368
     * @param string $word the string to humanize
     * @param boolean $ucAll whether to set all words to uppercase or not
369 370 371 372 373
     * @return string
     */
    public static function humanize($word, $ucAll = false)
    {
        $word = str_replace('_', ' ', preg_replace('/_id$/', '', $word));
Antonio Ramirez committed
374

375 376 377 378 379 380 381 382
        return $ucAll ? ucwords($word) : ucfirst($word);
    }

    /**
     * Same as camelize but first char is in lowercase.
     * Converts a word like "send_email" to "sendEmail". It
     * will remove non alphanumeric character from the word, so
     * "who's online" will be converted to "whoSOnline"
383
     * @param string $word to lowerCamelCase
384 385 386 387 388 389 390 391 392 393 394 395
     * @return string
     */
    public static function variablize($word)
    {
        $word = static::camelize($word);

        return strtolower($word[0]) . substr($word, 1);
    }

    /**
     * Converts a class name to its table name (pluralized)
     * naming conventions. For example, converts "Person" to "people"
396
     * @param string $className the class name for getting related table_name
397 398 399 400 401 402 403 404
     * @return string
     */
    public static function tableize($className)
    {
        return static::pluralize(static::underscore($className));
    }

    /**
405 406 407 408 409 410 411
     * Returns a string with all spaces converted to given replacement,
     * non word characters removed and the rest of characters transliterated.
     *
     * If intl extension isn't available uses fallback that converts latin characters only
     * and removes the rest. You may customize characters map via $transliteration property
     * of the helper.
     *
412 413 414 415
     * @param string $string An arbitrary string to convert
     * @param string $replacement The replacement to use for spaces
     * @param boolean $lowercase whether to return the string in lowercase or not. Defaults to `true`.
     * @return string The converted string.
416 417 418
     */
    public static function slug($string, $replacement = '-', $lowercase = true)
    {
419
        $string = static::transliterate($string);
420
        $string = preg_replace('/[^a-zA-Z0-9=\s—–-]+/u', '', $string);
421
        $string = preg_replace('/[=\s—–-]+/u', $replacement, $string);
422 423 424 425 426
        $string = trim($string, $replacement);

        return $lowercase ? strtolower($string) : $string;
    }

427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453
    /**
     * Returns transliterated version of a string.
     *
     * If intl extension isn't available uses fallback that converts latin characters only
     * and removes the rest. You may customize characters map via $transliteration property
     * of the helper.
     *
     * @param string $string input string
     * @return string
     */
    protected static function transliterate($string)
    {
        if (static::hasIntl()) {
            return transliterator_transliterate('Any-Latin; NFKD', $string);
        } else {
            return str_replace(array_keys(static::$transliteration), static::$transliteration, $string);
        }
    }

    /**
     * @return boolean if intl extension is loaded
     */
    protected static function hasIntl()
    {
        return extension_loaded('intl');
    }

454 455
    /**
     * Converts a table name to its class name. For example, converts "people" to "Person"
456
     * @param string $tableName
457 458 459 460 461 462 463 464 465
     * @return string
     */
    public static function classify($tableName)
    {
        return static::camelize(static::singularize($tableName));
    }

    /**
     * Converts number to its ordinal English form. For example, converts 13 to 13th, 2 to 2nd ...
466
     * @param integer $number the number to get its ordinal value
467 468 469 470 471 472 473 474
     * @return string
     */
    public static function ordinalize($number)
    {
        if (in_array(($number % 100), range(11, 13))) {
            return $number . 'th';
        }
        switch ($number % 10) {
475 476 477 478 479 480 481 482
            case 1:
                return $number . 'st';
            case 2:
                return $number . 'nd';
            case 3:
                return $number . 'rd';
            default:
                return $number . 'th';
483 484
        }
    }
Antonio Ramirez committed
485
}