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<?php
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/*
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* This file is part of the symfony package.
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* (c) 2004-2006 Fabien Potencier <fabien.potencier@symfony-project.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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/**
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*
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* @package symfony
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* @subpackage util
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* @author Fabien Potencier <fabien.potencier@symfony-project.com>
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* @version SVN: $Id: sfInflector.class.php 23810 2009-11-12 11:07:44Z Kris.Wallsmith $
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*/
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class sfInflector
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{
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/**
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* Returns a camelized string from a lower case and underscored string by replaceing slash with
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* double-colon and upper-casing each letter preceded by an underscore.
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*
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* @param string $lower_case_and_underscored_word String to camelize.
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*
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* @return string Camelized string.
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*/
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public static function camelize($lower_case_and_underscored_word)
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{
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$tmp = $lower_case_and_underscored_word;
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$tmp = sfToolkit::pregtr($tmp, array('#/(.?)#e' => "'::'.strtoupper('\\1')",
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'/(^|_|-)+(.)/e' => "strtoupper('\\2')"));
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return $tmp;
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}
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/**
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* Returns an underscore-syntaxed version or the CamelCased string.
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*
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* @param string $camel_cased_word String to underscore.
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*
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* @return string Underscored string.
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*/
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public static function underscore($camel_cased_word)
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{
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$tmp = $camel_cased_word;
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$tmp = str_replace('::', '/', $tmp);
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$tmp = sfToolkit::pregtr($tmp, array('/([A-Z]+)([A-Z][a-z])/' => '\\1_\\2',
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'/([a-z\d])([A-Z])/' => '\\1_\\2'));
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return strtolower($tmp);
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}
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/**
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* Returns classname::module with classname:: stripped off.
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*
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* @param string $class_name_in_module Classname and module pair.
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*
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* @return string Module name.
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*/
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public static function demodulize($class_name_in_module)
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{
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return preg_replace('/^.*::/', '', $class_name_in_module);
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}
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/**
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* Returns classname in underscored form, with "_id" tacked on at the end.
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* This is for use in dealing with foreign keys in the database.
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*
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* @param string $class_name Class name.
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* @param bool $separate_with_underscore Separate with underscore.
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*
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* @return strong Foreign key
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*/
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public static function foreign_key($class_name, $separate_with_underscore = true)
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{
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return sfInflector::underscore(sfInflector::demodulize($class_name)).($separate_with_underscore ? "_id" : "id");
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}
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/**
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* Returns corresponding table name for given classname.
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*
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* @param string $class_name Name of class to get database table name for.
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*
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* @return string Name of the databse table for given class.
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*/
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public static function tableize($class_name)
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{
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return sfInflector::underscore($class_name);
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}
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/**
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* Returns model class name for given database table.
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*
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* @param string $table_name Table name.
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*
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* @return string Classified table name.
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*/
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public static function classify($table_name)
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{
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return sfInflector::camelize($table_name);
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}
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/**
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* Returns a human-readable string from a lower case and underscored word by replacing underscores
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* with a space, and by upper-casing the initial characters.
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*
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* @param string $lower_case_and_underscored_word String to make more readable.
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*
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* @return string Human-readable string.
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*/
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public static function humanize($lower_case_and_underscored_word)
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{
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if (substr($lower_case_and_underscored_word, -3) === '_id')
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{
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$lower_case_and_underscored_word = substr($lower_case_and_underscored_word, 0, -3);
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}
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return ucfirst(str_replace('_', ' ', $lower_case_and_underscored_word));
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}
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}
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