Imported Upstream version 0.6.24+dfsg1

lib/kohana/system/helpers/inflector.php

@@ -0,0 +1,193 @@
+<?php defined('SYSPATH') OR die('No direct access allowed.');
+/**
+ * Inflector helper class.
+ *
+ * $Id: inflector.php 4072 2009-03-13 17:20:38Z jheathco $
+ *
+ * @package    Core
+ * @author     Kohana Team
+ * @copyright  (c) 2007-2008 Kohana Team
+ * @license    http://kohanaphp.com/license.html
+ */
+class inflector_Core {
+
+	// Cached inflections
+	protected static $cache = array();
+
+	// Uncountable and irregular words
+	protected static $uncountable;
+	protected static $irregular;
+
+	/**
+	 * Checks if a word is defined as uncountable.
+	 *
+	 * @param   string   word to check
+	 * @return  boolean
+	 */
+	public static function uncountable($str)
+	{
+		if (inflector::$uncountable === NULL)
+		{
+			// Cache uncountables
+			inflector::$uncountable = Kohana::config('inflector.uncountable');
+
+			// Make uncountables mirroed
+			inflector::$uncountable = array_combine(inflector::$uncountable, inflector::$uncountable);
+		}
+
+		return isset(inflector::$uncountable[strtolower($str)]);
+	}
+
+	/**
+	 * Makes a plural word singular.
+	 *
+	 * @param   string   word to singularize
+	 * @param   integer  number of things
+	 * @return  string
+	 */
+	public static function singular($str, $count = NULL)
+	{
+		// Remove garbage
+		$str = strtolower(trim($str));
+
+		if (is_string($count))
+		{
+			// Convert to integer when using a digit string
+			$count = (int) $count;
+		}
+
+		// Do nothing with a single count
+		if ($count === 0 OR $count > 1)
+			return $str;
+
+		// Cache key name
+		$key = 'singular_'.$str.$count;
+
+		if (isset(inflector::$cache[$key]))
+			return inflector::$cache[$key];
+
+		if (inflector::uncountable($str))
+			return inflector::$cache[$key] = $str;
+
+		if (empty(inflector::$irregular))
+		{
+			// Cache irregular words
+			inflector::$irregular = Kohana::config('inflector.irregular');
+		}
+
+		if ($irregular = array_search($str, inflector::$irregular))
+		{
+			$str = $irregular;
+		}
+		elseif (preg_match('/[sxz]es$/', $str) OR preg_match('/[^aeioudgkprt]hes$/', $str))
+		{
+			// Remove "es"
+			$str = substr($str, 0, -2);
+		}
+		elseif (preg_match('/[^aeiou]ies$/', $str))
+		{
+			$str = substr($str, 0, -3).'y';
+		}
+		elseif (substr($str, -1) === 's' AND substr($str, -2) !== 'ss')
+		{
+			$str = substr($str, 0, -1);
+		}
+
+		return inflector::$cache[$key] = $str;
+	}
+
+	/**
+	 * Makes a singular word plural.
+	 *
+	 * @param   string  word to pluralize
+	 * @return  string
+	 */
+	public static function plural($str, $count = NULL)
+	{
+		// Remove garbage
+		$str = strtolower(trim($str));
+
+		if (is_string($count))
+		{
+			// Convert to integer when using a digit string
+			$count = (int) $count;
+		}
+
+		// Do nothing with singular
+		if ($count === 1)
+			return $str;
+
+		// Cache key name
+		$key = 'plural_'.$str.$count;
+
+		if (isset(inflector::$cache[$key]))
+			return inflector::$cache[$key];
+
+		if (inflector::uncountable($str))
+			return inflector::$cache[$key] = $str;
+
+		if (empty(inflector::$irregular))
+		{
+			// Cache irregular words
+			inflector::$irregular = Kohana::config('inflector.irregular');
+		}
+
+		if (isset(inflector::$irregular[$str]))
+		{
+			$str = inflector::$irregular[$str];
+		}
+		elseif (preg_match('/[sxz]$/', $str) OR preg_match('/[^aeioudgkprt]h$/', $str))
+		{
+			$str .= 'es';
+		}
+		elseif (preg_match('/[^aeiou]y$/', $str))
+		{
+			// Change "y" to "ies"
+			$str = substr_replace($str, 'ies', -1);
+		}
+		else
+		{
+			$str .= 's';
+		}
+
+		// Set the cache and return
+		return inflector::$cache[$key] = $str;
+	}
+
+	/**
+	 * Makes a phrase camel case.
+	 *
+	 * @param   string  phrase to camelize
+	 * @return  string
+	 */
+	public static function camelize($str)
+	{
+		$str = 'x'.strtolower(trim($str));
+		$str = ucwords(preg_replace('/[\s_]+/', ' ', $str));
+
+		return substr(str_replace(' ', '', $str), 1);
+	}
+
+	/**
+	 * Makes a phrase underscored instead of spaced.
+	 *
+	 * @param   string  phrase to underscore
+	 * @return  string
+	 */
+	public static function underscore($str)
+	{
+		return preg_replace('/\s+/', '_', trim($str));
+	}
+
+	/**
+	 * Makes an underscored or dashed phrase human-reable.
+	 *
+	 * @param   string  phrase to make human-reable
+	 * @return  string
+	 */
+	public static function humanize($str)
+	{
+		return preg_replace('/[_-]+/', ' ', trim($str));
+	}
+
+} // End inflector