src/Utility/Inflector.php
<?php
/**
* CakePHP(tm) : Rapid Development Framework (http://cakephp.org)
* Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
*
* Licensed under The MIT License
* For full copyright and license information, please see the LICENSE.txt
* Redistributions of files must retain the above copyright notice.
*
* @copyright Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
* @link http://cakephp.org CakePHP(tm) Project
* @package Cake.Utility
* @since CakePHP(tm) v 0.2.9
* @license http://www.opensource.org/licenses/mit-license.php MIT License
*/
namespace Strata\Utility;
/**
* Pluralize and singularize English words.
*
* Inflector pluralizes and singularizes English nouns.
* Used by CakePHP's naming conventions throughout the framework.
*
* @package Cake.Utility
* @link http://book.cakephp.org/2.0/en/core-utility-libraries/inflector.html
*/
class Inflector
{
/**
* Plural inflector rules
*
* @var array
*/
protected static $_plural = array(
'rules' => array(
'/(s)tatus$/i' => '\1tatuses',
'/(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)$/i' => '\1s',
'/(?:([^f])fe|([lre])f)$/i' => '\1\2ves',
'/sis$/i' => 'ses',
'/([ti])um$/i' => '\1a',
'/(p)erson$/i' => '\1eople',
'/(?<!u)(m)an$/i' => '\1en',
'/(c)hild$/i' => '\1hildren',
'/(buffal|tomat)o$/i' => '\1\2oes',
'/(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',
),
'uninflected' => array(
'.*[nrlm]ese',
'.*data',
'.*deer',
'.*fish',
'.*measles',
'.*ois',
'.*pox',
'.*sheep',
'people',
'feedback',
'stadia'
),
'irregular' => array(
'atlas' => 'atlases',
'beef' => 'beefs',
'brief' => 'briefs',
'brother' => 'brothers',
'cafe' => 'cafes',
'child' => 'children',
'cookie' => 'cookies',
'corpus' => 'corpuses',
'cow' => 'cows',
'criterion' => 'criteria',
'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',
'person' => 'people',
'sex' => 'sexes',
'soliloquy' => 'soliloquies',
'testis' => 'testes',
'trilby' => 'trilbys',
'turf' => 'turfs',
'potato' => 'potatoes',
'hero' => 'heroes',
'tooth' => 'teeth',
'goose' => 'geese',
'foot' => 'feet',
'sieve' => 'sieves'
)
);
/**
* Singular inflector rules
*
* @var array
*/
protected static $_singular = array(
'rules' => array(
'/(s)tatuses$/i' => '\1\2tatus',
'/^(.*)(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$/i' => '\1is',
'/(shoe)s$/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',
'/(tive)s$/i' => '\1',
'/(hive)s$/i' => '\1',
'/(drive)s$/i' => '\1',
'/([le])ves$/i' => '\1f',
'/([^rfoa])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' => ''
),
'uninflected' => array(
'.*data',
'.*[nrlm]ese', '.*deer', '.*fish', '.*measles', '.*ois', '.*pox', '.*sheep', '.*ss', 'feedback'
),
'irregular' => array(
'foes' => 'foe',
)
);
/**
* Words that should not be inflected
*
* @var array
*/
protected static $_uninflected = array(
'Amoyese', 'bison', 'Borghese', 'bream', 'breeches', 'britches', 'buffalo', 'cantus',
'carp', 'chassis', 'clippers', 'cod', 'coitus', 'Congoese', 'contretemps', 'corps',
'debris', 'diabetes', 'djinn', 'eland', 'elk', 'equipment', 'Faroese', 'flounder',
'Foochowese', 'gallows', 'Genevese', 'Genoese', 'Gilbertese', 'graffiti',
'headquarters', 'herpes', 'hijinks', 'Hottentotese', 'information', 'innings',
'jackanapes', 'Kiplingese', 'Kongoese', 'Lucchese', 'mackerel', 'Maltese', '.*?media',
'mews', 'moose', 'mumps', 'Nankingese', 'news', 'nexus', 'Niasese',
'Pekingese', 'Piedmontese', 'pincers', 'Pistoiese', 'pliers', 'Portuguese',
'proceedings', 'rabies', 'research', 'rice', 'rhinoceros', 'salmon', 'Sarawakese', 'scissors',
'sea[- ]bass', 'series', 'Shavese', 'shears', 'siemens', 'species', 'swine', 'testes',
'trousers', 'trout', 'tuna', 'Vermontese', 'Wenchowese', 'whiting', 'wildebeest',
'Yengeese'
);
/**
* Default map of accented and special characters to ASCII characters
*
* @var array
*/
protected static $_transliteration = array(
'/À|Á|Â|Ã|Å|Ǻ|Ā|Ă|Ą|Ǎ/' => 'A',
'/Æ|Ǽ/' => 'AE',
'/Ä/' => 'Ae',
'/Ç|Ć|Ĉ|Ċ|Č/' => 'C',
'/Ð|Ď|Đ/' => 'D',
'/È|É|Ê|Ë|Ē|Ĕ|Ė|Ę|Ě/' => 'E',
'/Ĝ|Ğ|Ġ|Ģ|Ґ/' => 'G',
'/Ĥ|Ħ/' => 'H',
'/Ì|Í|Î|Ï|Ĩ|Ī|Ĭ|Ǐ|Į|İ|І/' => 'I',
'/IJ/' => 'IJ',
'/Ĵ/' => 'J',
'/Ķ/' => 'K',
'/Ĺ|Ļ|Ľ|Ŀ|Ł/' => 'L',
'/Ñ|Ń|Ņ|Ň/' => 'N',
'/Ò|Ó|Ô|Õ|Ō|Ŏ|Ǒ|Ő|Ơ|Ø|Ǿ/' => 'O',
'/Œ/' => 'OE',
'/Ö/' => 'Oe',
'/Ŕ|Ŗ|Ř/' => 'R',
'/Ś|Ŝ|Ş|Ș|Š/' => 'S',
'/ẞ/' => 'SS',
'/Ţ|Ț|Ť|Ŧ/' => 'T',
'/Þ/' => 'TH',
'/Ù|Ú|Û|Ũ|Ū|Ŭ|Ů|Ű|Ų|Ư|Ǔ|Ǖ|Ǘ|Ǚ|Ǜ/' => 'U',
'/Ü/' => 'Ue',
'/Ŵ/' => 'W',
'/Ý|Ÿ|Ŷ/' => 'Y',
'/Є/' => 'Ye',
'/Ї/' => 'Yi',
'/Ź|Ż|Ž/' => 'Z',
'/à|á|â|ã|å|ǻ|ā|ă|ą|ǎ|ª/' => 'a',
'/ä|æ|ǽ/' => 'ae',
'/ç|ć|ĉ|ċ|č/' => 'c',
'/ð|ď|đ/' => 'd',
'/è|é|ê|ë|ē|ĕ|ė|ę|ě/' => 'e',
'/ƒ/' => 'f',
'/ĝ|ğ|ġ|ģ|ґ/' => 'g',
'/ĥ|ħ/' => 'h',
'/ì|í|î|ï|ĩ|ī|ĭ|ǐ|į|ı|і/' => 'i',
'/ij/' => 'ij',
'/ĵ/' => 'j',
'/ķ/' => 'k',
'/ĺ|ļ|ľ|ŀ|ł/' => 'l',
'/ñ|ń|ņ|ň|ʼn/' => 'n',
'/ò|ó|ô|õ|ō|ŏ|ǒ|ő|ơ|ø|ǿ|º/' => 'o',
'/ö|œ/' => 'oe',
'/ŕ|ŗ|ř/' => 'r',
'/ś|ŝ|ş|ș|š|ſ/' => 's',
'/ß/' => 'ss',
'/ţ|ț|ť|ŧ/' => 't',
'/þ/' => 'th',
'/ù|ú|û|ũ|ū|ŭ|ů|ű|ų|ư|ǔ|ǖ|ǘ|ǚ|ǜ/' => 'u',
'/ü/' => 'ue',
'/ŵ/' => 'w',
'/ý|ÿ|ŷ/' => 'y',
'/є/' => 'ye',
'/ї/' => 'yi',
'/ź|ż|ž/' => 'z',
);
/**
* Method cache array.
*
* @var array
*/
protected static $_cache = array();
/**
* The initial state of Inflector so reset() works.
*
* @var array
*/
protected static $_initialState = array();
/**
* Cache inflected values, and return if already available
*
* @param string $type Inflection type
* @param string $key Original value
* @param string $value Inflected value
* @return string Inflected value, from cache
*/
protected static function _cache($type, $key, $value = false)
{
$key = '_' . $key;
$type = '_' . $type;
if ($value !== false) {
self::$_cache[$type][$key] = $value;
return $value;
}
if (!isset(self::$_cache[$type][$key])) {
return false;
}
return self::$_cache[$type][$key];
}
/**
* Clears Inflectors inflected value caches. And resets the inflection
* rules to the initial values.
*
* @return void
*/
public static function reset()
{
if (empty(self::$_initialState)) {
self::$_initialState = get_class_vars('Inflector');
return;
}
foreach (self::$_initialState as $key => $val) {
if ($key !== '_initialState') {
self::${$key} = $val;
}
}
}
/**
* Adds custom inflection $rules, of either 'plural', 'singular' or 'transliteration' $type.
*
* ### Usage:
*
* ```
* Inflector::rules('plural', array('/^(inflect)or$/i' => '\1ables'));
* Inflector::rules('plural', array(
* 'rules' => array('/^(inflect)ors$/i' => '\1ables'),
* 'uninflected' => array('dontinflectme'),
* 'irregular' => array('red' => 'redlings')
* ));
* Inflector::rules('transliteration', array('/å/' => 'aa'));
* ```
*
* @param string $type The type of inflection, either 'plural', 'singular' or 'transliteration'
* @param array $rules Array of rules to be added.
* @param bool $reset If true, will unset default inflections for all new rules that are being defined in $rules.
* new rules that are being defined in $rules.
* @return void
*/
public static function rules($type, $rules, $reset = false)
{
$var = '_' . $type;
switch ($type) {
case 'transliteration':
if ($reset) {
self::$_transliteration = $rules;
} else {
self::$_transliteration = $rules + self::$_transliteration;
}
break;
default:
foreach ($rules as $rule => $pattern) {
if (is_array($pattern)) {
if ($reset) {
self::${$var}[$rule] = $pattern;
} else {
if ($rule === 'uninflected') {
self::${$var}[$rule] = array_merge($pattern, self::${$var}[$rule]);
} else {
self::${$var}[$rule] = $pattern + self::${$var}[$rule];
}
}
unset($rules[$rule], self::${$var}['cache' . ucfirst($rule)]);
if (isset(self::${$var}['merged'][$rule])) {
unset(self::${$var}['merged'][$rule]);
}
if ($type === 'plural') {
self::$_cache['pluralize'] = self::$_cache['tableize'] = array();
} elseif ($type === 'singular') {
self::$_cache['singularize'] = array();
}
}
}
self::${$var}['rules'] = $rules + self::${$var}['rules'];
}
}
/**
* Return $word in plural form.
*
* @param string $word Word in singular
* @return string Word in plural
* @link http://book.cakephp.org/2.0/en/core-utility-libraries/inflector.html#Inflector::pluralize
*/
public static function pluralize($word)
{
if (isset(self::$_cache['pluralize'][$word])) {
return self::$_cache['pluralize'][$word];
}
if (!isset(self::$_plural['merged']['irregular'])) {
self::$_plural['merged']['irregular'] = self::$_plural['irregular'];
}
if (!isset(self::$_plural['merged']['uninflected'])) {
self::$_plural['merged']['uninflected'] = array_merge(self::$_plural['uninflected'], self::$_uninflected);
}
if (!isset(self::$_plural['cacheUninflected']) || !isset(self::$_plural['cacheIrregular'])) {
self::$_plural['cacheUninflected'] = '(?:' . implode('|', self::$_plural['merged']['uninflected']) . ')';
self::$_plural['cacheIrregular'] = '(?:' . implode('|', array_keys(self::$_plural['merged']['irregular'])) . ')';
}
if (preg_match('/(.*?(?:\\b|_))(' . self::$_plural['cacheIrregular'] . ')$/i', $word, $regs)) {
self::$_cache['pluralize'][$word] = $regs[1] .
substr($regs[2], 0, 1) .
substr(self::$_plural['merged']['irregular'][strtolower($regs[2])], 1);
return self::$_cache['pluralize'][$word];
}
if (preg_match('/^(' . self::$_plural['cacheUninflected'] . ')$/i', $word, $regs)) {
self::$_cache['pluralize'][$word] = $word;
return $word;
}
foreach (self::$_plural['rules'] as $rule => $replacement) {
if (preg_match($rule, $word)) {
self::$_cache['pluralize'][$word] = preg_replace($rule, $replacement, $word);
return self::$_cache['pluralize'][$word];
}
}
}
/**
* Return $word in singular form.
*
* @param string $word Word in plural
* @return string Word in singular
* @link http://book.cakephp.org/2.0/en/core-utility-libraries/inflector.html#Inflector::singularize
*/
public static function singularize($word)
{
if (isset(self::$_cache['singularize'][$word])) {
return self::$_cache['singularize'][$word];
}
if (!isset(self::$_singular['merged']['uninflected'])) {
self::$_singular['merged']['uninflected'] = array_merge(
self::$_singular['uninflected'],
self::$_uninflected
);
}
if (!isset(self::$_singular['merged']['irregular'])) {
self::$_singular['merged']['irregular'] = array_merge(
self::$_singular['irregular'],
array_flip(self::$_plural['irregular'])
);
}
if (!isset(self::$_singular['cacheUninflected']) || !isset(self::$_singular['cacheIrregular'])) {
self::$_singular['cacheUninflected'] = '(?:' . implode('|', self::$_singular['merged']['uninflected']) . ')';
self::$_singular['cacheIrregular'] = '(?:' . implode('|', array_keys(self::$_singular['merged']['irregular'])) . ')';
}
if (preg_match('/(.*?(?:\\b|_))(' . self::$_singular['cacheIrregular'] . ')$/i', $word, $regs)) {
self::$_cache['singularize'][$word] = $regs[1] .
substr($regs[2], 0, 1) .
substr(self::$_singular['merged']['irregular'][strtolower($regs[2])], 1);
return self::$_cache['singularize'][$word];
}
if (preg_match('/^(' . self::$_singular['cacheUninflected'] . ')$/i', $word, $regs)) {
self::$_cache['singularize'][$word] = $word;
return $word;
}
foreach (self::$_singular['rules'] as $rule => $replacement) {
if (preg_match($rule, $word)) {
self::$_cache['singularize'][$word] = preg_replace($rule, $replacement, $word);
return self::$_cache['singularize'][$word];
}
}
self::$_cache['singularize'][$word] = $word;
return $word;
}
/**
* Returns the given lower_case_and_underscored_word as a CamelCased word.
*
* @param string $lowerCaseAndUnderscoredWord Word to camelize
* @return string Camelized word. LikeThis.
* @link http://book.cakephp.org/2.0/en/core-utility-libraries/inflector.html#Inflector::camelize
*/
public static function camelize($lowerCaseAndUnderscoredWord)
{
if (!($result = self::_cache(__FUNCTION__, $lowerCaseAndUnderscoredWord))) {
$result = str_replace(' ', '', Inflector::humanize($lowerCaseAndUnderscoredWord));
self::_cache(__FUNCTION__, $lowerCaseAndUnderscoredWord, $result);
}
return $result;
}
/**
* Returns the given camelCasedWord as an underscored_word.
*
* @param string $camelCasedWord Camel-cased word to be "underscorized"
* @return string Underscore-syntaxed version of the $camelCasedWord
* @link http://book.cakephp.org/2.0/en/core-utility-libraries/inflector.html#Inflector::underscore
*/
public static function underscore($camelCasedWord)
{
if (!($result = self::_cache(__FUNCTION__, $camelCasedWord))) {
$underscoredWord = preg_replace('/(?<=\\w)([A-Z])/', '_\\1', $camelCasedWord);
$result = mb_strtolower($underscoredWord);
self::_cache(__FUNCTION__, $camelCasedWord, $result);
}
return $result;
}
/**
* Returns the given underscored_word_group as a Human Readable Word Group.
* (Underscores are replaced by spaces and capitalized following words.)
*
* @param string $lowerCaseAndUnderscoredWord String to be made more readable
* @return string Human-readable string
* @link http://book.cakephp.org/2.0/en/core-utility-libraries/inflector.html#Inflector::humanize
*/
public static function humanize($lowerCaseAndUnderscoredWord)
{
if (!($result = self::_cache(__FUNCTION__, $lowerCaseAndUnderscoredWord))) {
$result = explode(' ', str_replace('_', ' ', $lowerCaseAndUnderscoredWord));
foreach ($result as &$word) {
$word = mb_strtoupper(mb_substr($word, 0, 1)) . mb_substr($word, 1);
}
$result = implode(' ', $result);
self::_cache(__FUNCTION__, $lowerCaseAndUnderscoredWord, $result);
}
return $result;
}
/**
* Returns corresponding table name for given model $className. ("people" for the model class "Person").
*
* @param string $className Name of class to get database table name for
* @return string Name of the database table for given class
* @link http://book.cakephp.org/2.0/en/core-utility-libraries/inflector.html#Inflector::tableize
*/
public static function tableize($className)
{
if (!($result = self::_cache(__FUNCTION__, $className))) {
$result = Inflector::pluralize(Inflector::underscore($className));
self::_cache(__FUNCTION__, $className, $result);
}
return $result;
}
/**
* Returns Cake model class name ("Person" for the database table "people".) for given database table.
*
* @param string $tableName Name of database table to get class name for
* @return string Class name
* @link http://book.cakephp.org/2.0/en/core-utility-libraries/inflector.html#Inflector::classify
*/
public static function classify($tableName)
{
if (!($result = self::_cache(__FUNCTION__, $tableName))) {
$result = Inflector::camelize(Inflector::singularize($tableName));
self::_cache(__FUNCTION__, $tableName, $result);
}
return $result;
}
/**
* Returns camelBacked version of an underscored string.
*
* @param string $string String to convert.
* @return string in variable form
* @link http://book.cakephp.org/2.0/en/core-utility-libraries/inflector.html#Inflector::variable
*/
public static function variable($string)
{
if (!($result = self::_cache(__FUNCTION__, $string))) {
$camelized = Inflector::camelize(Inflector::underscore($string));
$replace = strtolower(substr($camelized, 0, 1));
$result = preg_replace('/\\w/', $replace, $camelized, 1);
self::_cache(__FUNCTION__, $string, $result);
}
return $result;
}
/**
* Returns a string with all spaces converted to underscores (by default), accented
* characters converted to non-accented characters, and non word characters removed.
*
* @param string $string the string you want to slug
* @param string $replacement will replace keys in map
* @return string
* @link http://book.cakephp.org/2.0/en/core-utility-libraries/inflector.html#Inflector::slug
*/
public static function slug($string, $replacement = '_')
{
$quotedReplacement = preg_quote($replacement, '/');
$merge = array(
'/[^\s\p{Zs}\p{Ll}\p{Lm}\p{Lo}\p{Lt}\p{Lu}\p{Nd}]/mu' => ' ',
'/[\s\p{Zs}]+/mu' => $replacement,
sprintf('/^[%s]+|[%s]+$/', $quotedReplacement, $quotedReplacement) => '',
);
$map = self::$_transliteration + $merge;
return preg_replace(array_keys($map), array_values($map), $string);
}
}
// Store the initial state
Inflector::reset();