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<?php
/**
* Zend Framework
*
* LICENSE
*
* This source file is subject to version 1.0 of the Zend Framework
* license, that is bundled with this package in the file LICENSE, and
* is available through the world-wide-web at the following URL:
* http://www.zend.com/license/framework/1_0.txt. If you did not receive
* a copy of the Zend Framework license and are unable to obtain it
* through the world-wide-
web, please send a note to license@zend.com
* so we can mail you a copy immediately.
*
* @package Zend_Db
* @subpackage Inflector
* @copyright Copyright (c) 2005-2006 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://www.zend.com/license/framework/1_0.txt Zend Framework License version 1.0
*/
/**
* Class for name inflections.
*
* @todo Look up pluralization rules for English. E.g.: 'y' =>
* 'ies', etc. "Porter stemming algorithm". See if Richard Heyes will
* license his stemmer to us under BSD.
*
* @package Zend_Db
* @copyright Copyright (c) 2005-2006 Zend Technologies Inc. (http://www.zend.com)
* @license Zend Framework License version 1.0
*/
class Zend_Db_Inflector {
/**
* Convert underscore_words to camelCaps.
*/
public function camelize($name)
{
// lowercase all, underscores to spaces, and prefix with underscore.
// (the prefix is to keep the first letter from getting uppercased
// in the next statement.)
$name = '_' . str_replace('_', ' ', strtolower($name));
// uppercase words, collapse spaces, and drop initial underscore
return ltrim(str_replace(' ', '', uc
words($name)), '_');
}
/**
* Convert camelCaps to underscore_words.
*/
public function underscore($name)
{
return strtolower(preg_replace('/([a-z])([A-Z])/', "$1_$2", $name));
}
/**
* Singularize a name.
*
* @param string $name Plural name.
* @return string Singular form of the original plural name.
*/
public function singular($name)
{
$len = strlen($name);
if ($len > 0) {
$last1 = strtolower($name[$len-1]);
$last3 = strtolower(substr($name, -3));
if (strtolower($last3) == 'ies') {
// entities => entity
$name = substr($name, 0, -3) . 'y';
} elseif ($last1 == 's') {
// things => thing
$name = substr($name, 0, $len-1);
}
}
return $name;
}
/**
* Pluralize a name.
*
* @param string $name Singular name
* @return string Plural form of the original singular name
*/
public function plural($name)
{
$len = strlen($name);
if ($len > 0) {
$last = strtolower($name[$len-1]);
if ($last == 'y') {
// entity => entities
$name = substr($name, 0, -1) . 'ies';
} elseif ($last != 's') {
// thing => things
$name .= 's';
}
}
return $name;
}
}