<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');

/**

 * CodeIgniter

 *

 * An open source application development framework for PHP 5.1.6 or newer

 *

 * @package		CodeIgniter

 * @author		ExpressionEngine Dev Team

 * @copyright	Copyright (c) 2008 - 2011, EllisLab, Inc.

 * @license		http://codeigniter.com/user_guide/license.html

 * @link		http://codeigniter.com

 * @since		Version 1.0

 * @filesource

 */



// ------------------------------------------------------------------------



/**

 * CodeIgniter Inflector Helpers

 *

 * @package		CodeIgniter

 * @subpackage	Helpers

 * @category	Helpers

 * @author		ExpressionEngine Dev Team

 * @link		http://codeigniter.com/user_guide/helpers/directory_helper.html

 */





// --------------------------------------------------------------------



/**

 * Singular

 *

 * Takes a plural word and makes it singular

 *

 * @access	public

 * @param	string

 * @return	str

 */

if ( ! function_exists('singular'))

{

	function singular($str)

	{

		$result = strval($str);



		$singular_rules = array(

			'/(matr)ices$/'         => '\1ix',

			'/(vert|ind)ices$/'     => '\1ex',

			'/^(ox)en/'             => '\1',

			'/(alias)es$/'          => '\1',

			'/([octop|vir])i$/'     => '\1us',

			'/(cris|ax|test)es$/'   => '\1is',

			'/(shoe)s$/'            => '\1',

			'/(o)es$/'              => '\1',

			'/(bus|campus)es$/'     => '\1',

			'/([m|l])ice$/'         => '\1ouse',

			'/(x|ch|ss|sh)es$/'     => '\1',

			'/(m)ovies$/'           => '\1\2ovie',

			'/(s)eries$/'           => '\1\2eries',

			'/([^aeiouy]|qu)ies$/'  => '\1y',

			'/([lr])ves$/'          => '\1f',

			'/(tive)s$/'            => '\1',

			'/(hive)s$/'            => '\1',

			'/([^f])ves$/'          => '\1fe',

			'/(^analy)ses$/'        => '\1sis',

			'/((a)naly|(b)a|(d)iagno|(p)arenthe|(p)rogno|(s)ynop|(t)he)ses$/' => '\1\2sis',

			'/([ti])a$/'            => '\1um',

			'/(p)eople$/'           => '\1\2erson',

			'/(m)en$/'              => '\1an',

			'/(s)tatuses$/'         => '\1\2tatus',

			'/(c)hildren$/'         => '\1\2hild',

			'/(n)ews$/'             => '\1\2ews',

			'/([^u])s$/'            => '\1',

		);

		

		foreach ($singular_rules as $rule => $replacement)

		{

			if (preg_match($rule, $result))

			{

				$result = preg_replace($rule, $replacement, $result);

				break;

			}

		}



		return $result;

	}

}



// --------------------------------------------------------------------



/**

 * Plural

 *

 * Takes a singular word and makes it plural

 *

 * @access	public

 * @param	string

 * @param	bool

 * @return	str

 */

if ( ! function_exists('plural'))

{

	function plural($str, $force = FALSE)

	{

		$result = strval($str);

	

		$plural_rules = array(

			'/^(ox)$/'                 => '\1\2en',     // ox

			'/([m|l])ouse$/'           => '\1ice',      // mouse, louse

			'/(matr|vert|ind)ix|ex$/'  => '\1ices',     // matrix, vertex, index

			'/(x|ch|ss|sh)$/'          => '\1es',       // search, switch, fix, box, process, address

			'/([^aeiouy]|qu)y$/'       => '\1ies',      // query, ability, agency

			'/(hive)$/'                => '\1s',        // archive, hive

			'/(?:([^f])fe|([lr])f)$/'  => '\1\2ves',    // half, safe, wife

			'/sis$/'                   => 'ses',        // basis, diagnosis

			'/([ti])um$/'              => '\1a',        // datum, medium

			'/(p)erson$/'              => '\1eople',    // person, salesperson

			'/(m)an$/'                 => '\1en',       // man, woman, spokesman

			'/(c)hild$/'               => '\1hildren',  // child

			'/(buffal|tomat)o$/'       => '\1\2oes',    // buffalo, tomato

			'/(bu|campu)s$/'           => '\1\2ses',    // bus, campus

			'/(alias|status|virus)/'   => '\1es',       // alias

			'/(octop)us$/'             => '\1i',        // octopus

			'/(ax|cris|test)is$/'      => '\1es',       // axis, crisis

			'/s$/'                     => 's',          // no change (compatibility)

			'/$/'                      => 's',

		);



		foreach ($plural_rules as $rule => $replacement)

		{

			if (preg_match($rule, $result))

			{

				$result = preg_replace($rule, $replacement, $result);

				break;

			}

		}



		return $result;

	}

}



// --------------------------------------------------------------------



/**

 * Camelize

 *

 * Takes multiple words separated by spaces or underscores and camelizes them

 *

 * @access	public

 * @param	string

 * @return	str

 */

if ( ! function_exists('camelize'))

{

	function camelize($str)

	{

		$str = 'x'.strtolower(trim($str));

		$str = ucwords(preg_replace('/[\s_]+/', ' ', $str));

		return substr(str_replace(' ', '', $str), 1);

	}

}



// --------------------------------------------------------------------



/**

 * Underscore

 *

 * Takes multiple words separated by spaces and underscores them

 *

 * @access	public

 * @param	string

 * @return	str

 */

if ( ! function_exists('underscore'))

{

	function underscore($str)

	{

		return preg_replace('/[\s]+/', '_', strtolower(trim($str)));

	}

}



// --------------------------------------------------------------------



/**

 * Humanize

 *

 * Takes multiple words separated by underscores and changes them to spaces

 *

 * @access	public

 * @param	string

 * @return	str

 */

if ( ! function_exists('humanize'))

{

	function humanize($str)

	{

		return ucwords(preg_replace('/[_]+/', ' ', strtolower(trim($str))));

	}

}





/* End of file inflector_helper.php */

/* Location: ./system/helpers/inflector_helper.php */