From 39835a50277965f77322d5af30123100d2e1b694 Mon Sep 17 00:00:00 2001
From: Bharat Mediratta <bharat@menalto.com>
Date: Sun, 11 Jan 2009 22:32:36 +0000
Subject: Update Kohana to r3890

---
 kohana/config/inflector.php |  1 +
 kohana/core/Kohana.php      | 30 +++++++++++++--------------
 kohana/helpers/html.php     |  2 +-
 kohana/libraries/Input.php  | 15 ++++++--------
 kohana/libraries/ORM.php    | 49 +++++++++++++++++++++++++++------------------
 kohana/libraries/View.php   |  2 +-
 6 files changed, 54 insertions(+), 45 deletions(-)

diff --git a/kohana/config/inflector.php b/kohana/config/inflector.php
index 4fe73f76..64c0853c 100644
--- a/kohana/config/inflector.php
+++ b/kohana/config/inflector.php
@@ -53,4 +53,5 @@ $config['irregular'] = array
 	'goose' => 'geese',
 	'ox' => 'oxen',
 	'leaf' => 'leaves',
+	'course' => 'courses',
 );
diff --git a/kohana/core/Kohana.php b/kohana/core/Kohana.php
index c4812e63..76964fbd 100644
--- a/kohana/core/Kohana.php
+++ b/kohana/core/Kohana.php
@@ -109,7 +109,7 @@ final class Kohana {
 
 		if (function_exists('date_default_timezone_set'))
 		{
-			$timezone = Kohana::config('locale.timezone');
+			$timezone = self::config('locale.timezone');
 
 			// Set default timezone, due to increased validation of date settings
 			// which cause massive amounts of E_NOTICEs to be generated in PHP 5.2+
@@ -168,10 +168,10 @@ final class Kohana {
 		// Enable Kohana output handling
 		Event::add('system.shutdown', array('Kohana', 'shutdown'));
 
-		if (Kohana::config('core.enable_hooks') === TRUE)
+		if (self::config('core.enable_hooks') === TRUE)
 		{
 			// Find all the hook files
-			$hooks = Kohana::list_files('hooks', TRUE);
+			$hooks = self::list_files('hooks', TRUE);
 
 			foreach ($hooks as $file)
 			{
@@ -700,7 +700,7 @@ final class Kohana {
 		// Fetch benchmark for page execution time
 		$benchmark = Benchmark::get(SYSTEM_BENCHMARK.'_total_execution');
 
-		if (Kohana::config('core.render_stats') === TRUE)
+		if (self::config('core.render_stats') === TRUE)
 		{
 			// Replace the global template variables
 			$output = str_replace(
@@ -724,7 +724,7 @@ final class Kohana {
 			);
 		}
 
-		if ($level = Kohana::config('core.output_compression') AND ini_get('output_handler') !== 'ob_gzhandler' AND (int) ini_get('zlib.output_compression') === 0)
+		if ($level = self::config('core.output_compression') AND ini_get('output_handler') !== 'ob_gzhandler' AND (int) ini_get('zlib.output_compression') === 0)
 		{
 			if ($level < 1 OR $level > 9)
 			{
@@ -1123,7 +1123,7 @@ final class Kohana {
 
 		if ($path === FALSE)
 		{
-			$paths = array_reverse(Kohana::include_paths());
+			$paths = array_reverse(self::include_paths());
 
 			foreach ($paths as $path)
 			{
@@ -1173,7 +1173,7 @@ final class Kohana {
 		$group = $group[0];
 
 		// Get locale name
-		$locale = Kohana::config('locale.language.0');
+		$locale = self::config('locale.language.0');
 
 		if ( ! isset(self::$internal_cache['language'][$locale][$group]))
 		{
@@ -1211,7 +1211,7 @@ final class Kohana {
 
 		if ($line === NULL)
 		{
-			Kohana::log('error', 'Missing i18n entry '.$key.' for language '.$locale);
+			self::log('error', 'Missing i18n entry '.$key.' for language '.$locale);
 
 			// Return the key string as fallback
 			return $key;
@@ -1364,20 +1364,20 @@ final class Kohana {
 
 		// Return the raw string
 		if ($key === 'agent')
-			return Kohana::$user_agent;
+			return self::$user_agent;
 
 		if ($info === NULL)
 		{
 			// Parse the user agent and extract basic information
-			$agents = Kohana::config('user_agents');
+			$agents = self::config('user_agents');
 
 			foreach ($agents as $type => $data)
 			{
 				foreach ($data as $agent => $name)
 				{
-					if (stripos(Kohana::$user_agent, $agent) !== FALSE)
+					if (stripos(self::$user_agent, $agent) !== FALSE)
 					{
-						if ($type === 'browser' AND preg_match('|'.preg_quote($agent).'[^0-9.]*+([0-9.][0-9.a-z]*)|i', Kohana::$user_agent, $match))
+						if ($type === 'browser' AND preg_match('|'.preg_quote($agent).'[^0-9.]*+([0-9.][0-9.a-z]*)|i', self::$user_agent, $match))
 						{
 							// Set the browser version
 							$info['version'] = $match[1];
@@ -1445,11 +1445,11 @@ final class Kohana {
 			{
 				case 'accept_lang':
 					// Check if the lange is accepted
-					return in_array($compare, Kohana::user_agent('languages'));
+					return in_array($compare, self::user_agent('languages'));
 				break;
 				case 'accept_charset':
 					// Check if the charset is accepted
-					return in_array($compare, Kohana::user_agent('charsets'));
+					return in_array($compare, self::user_agent('charsets'));
 				break;
 				default:
 					// Invalid comparison
@@ -1505,7 +1505,7 @@ final class Kohana {
 
 			if (isset($entry['file']))
 			{
-				$temp .= Kohana::lang('core.error_file_line', preg_replace('!^'.preg_quote(DOCROOT).'!', '', $entry['file']), $entry['line']);
+				$temp .= self::lang('core.error_file_line', preg_replace('!^'.preg_quote(DOCROOT).'!', '', $entry['file']), $entry['line']);
 			}
 
 			$temp .= '<pre>';
diff --git a/kohana/helpers/html.php b/kohana/helpers/html.php
index d1f09612..37f80ae3 100644
--- a/kohana/helpers/html.php
+++ b/kohana/helpers/html.php
@@ -419,7 +419,7 @@ class html_Core {
 		$compiled = '';
 		foreach ($attrs as $key => $val)
 		{
-			$compiled .= ' '.$key.'="'.$val.'"';
+			$compiled .= ' '.$key.'="'.html::specialchars($val).'"';
 		}
 
 		return $compiled;
diff --git a/kohana/libraries/Input.php b/kohana/libraries/Input.php
index a0004621..3cdef0b8 100644
--- a/kohana/libraries/Input.php
+++ b/kohana/libraries/Input.php
@@ -83,16 +83,13 @@ class Input_Core {
 				$preserve = array('GLOBALS', '_REQUEST', '_GET', '_POST', '_FILES', '_COOKIE', '_SERVER', '_ENV', '_SESSION');
 
 				// This loop has the same effect as disabling register_globals
-				foreach ($GLOBALS as $key => $val)
+				foreach (array_diff(array_keys($GLOBALS), $preserve) as $key)
 				{
-					if ( ! in_array($key, $preserve))
-					{
-						global $$key;
-						$$key = NULL;
-
-						// Unset the global variable
-						unset($GLOBALS[$key], $$key);
-					}
+					global $$key;
+					$$key = NULL;
+
+					// Unset the global variable
+					unset($GLOBALS[$key], $$key);
 				}
 
 				// Warn the developer about register globals
diff --git a/kohana/libraries/ORM.php b/kohana/libraries/ORM.php
index 51b6069c..6ee4c28f 100644
--- a/kohana/libraries/ORM.php
+++ b/kohana/libraries/ORM.php
@@ -59,10 +59,13 @@ class ORM_Core {
 	// Database configuration
 	protected $db = 'default';
 	protected $db_applied = array();
-	
+
 	// With calls already applied
 	protected $with_applied = array();
 
+	// Stores column information for ORM models
+	protected static $column_cache = array();
+
 	/**
 	 * Creates and returns a new model.
 	 *
@@ -109,7 +112,7 @@ class ORM_Core {
 			$this->load_values((array) $id);
 		}
 		elseif (!empty($id))
-		{			
+		{
 			// Find an object
 			$this->find($id);
 		}
@@ -324,14 +327,14 @@ class ORM_Core {
 			{
 				// many<>many relationship
 				return $this->related[$column] = $model
-					->in($model->primary_key, $this->changed_relations[$column])
+					->in($model->table_name.'.'.$model->primary_key, $this->changed_relations[$column])
 					->find_all();
 			}
 			else
 			{
 				// empty many<>many relationship
 				return $this->related[$column] = $model
-					->where($model->primary_key, NULL)
+					->where($model->table_name.'.'.$model->primary_key, NULL)
 					->find_all();
 			}
 		}
@@ -453,12 +456,12 @@ class ORM_Core {
 
 		return $object;
 	}
-	
+
 	/**
 	 * Binds another one-to-one object to this model.  One-to-one objects
 	 * can be nested using 'object1:object2' syntax
 	 *
-	 * @param string $object 
+	 * @param string $object
 	 * @return void
 	 */
 	public function with($object)
@@ -471,7 +474,7 @@ class ORM_Core {
 
 		$prefix = $table = $object;
 
-		// Split object parts 
+		// Split object parts
 		$objects = explode(':', $object);
 		$object	 = $this;
 		foreach ($objects as $object_part)
@@ -479,21 +482,21 @@ class ORM_Core {
 			// Go down the line of objects to find the given target
 			$parent = $object;
 			$object = $parent->related_object($object_part);
-			
+
 			if ( ! $object)
 			{
 				// Can't find related object
 				return $this;
 			}
 		}
-		
+
 		$table = $object_part;
-		
+
 		if ($this->table_names_plural)
 		{
 			$table = inflector::plural($table);
 		}
-		
+
 		// Pop-off top object to get the parent object (user:photo:tag's parent is user:photo)
 		array_pop($objects);
 		$parent_prefix = implode(':', $objects);
@@ -511,10 +514,10 @@ class ORM_Core {
 				$this->with($parent_prefix);
 			}
 		}
-		
+
 		// Add to with_applied to prevent duplicate joins
 		$this->with_applied[$prefix] = TRUE;
-		
+
 		// Use the keys of the empty object to determine the columns
 		$select = array_keys($object->as_array());
 		foreach ($select as $i => $column)
@@ -530,7 +533,7 @@ class ORM_Core {
 		$foreign_key = $object_part.'_'.$object->primary_key;
 
 		if (array_key_exists($foreign_key, $parent->object))
-		{	
+		{
 			// Foreign key exists in the joined object's parent
 			$join_col1 = $object->foreign_key(TRUE, $prefix);
 			$join_col2 = $parent_prefix.'.'.$foreign_key;
@@ -542,7 +545,7 @@ class ORM_Core {
 		}
 
 		// Join the related object into the result
-		$this->db->join($object->table_name.' AS '.$prefix, $join_col1, $join_col2, 'LEFT');
+		$this->db->join($object->table_name.' AS '.$this->db->table_prefix().$prefix, $join_col1, $join_col2, 'LEFT');
 
 		return $this;
 	}
@@ -887,8 +890,16 @@ class ORM_Core {
 	{
 		if ($force === TRUE OR empty($this->table_columns))
 		{
-			// Load table columns
-			$this->table_columns = $this->db->list_fields($this->table_name, TRUE);
+			if (isset(self::$column_cache[$this->object_name]))
+			{
+				// Use cached column information
+				$this->table_columns = self::$column_cache[$this->object_name];
+			}
+			else
+			{
+				// Load table columns
+				self::$column_cache[$this->object_name] = $this->table_columns = $this->db->list_fields($this->table_name, TRUE);
+			}
 		}
 
 		return $this;
@@ -901,10 +912,10 @@ class ORM_Core {
 	 * @return  boolean
 	 */
 	public function has(ORM $model)
-	{	
+	{
 		if ($model->table_names_plural)
 		{
-			// Get the plural object name as the related name	
+			// Get the plural object name as the related name
 			$related = $model->object_plural;
 		}
 		else
diff --git a/kohana/libraries/View.php b/kohana/libraries/View.php
index 7a49fd84..c440be10 100644
--- a/kohana/libraries/View.php
+++ b/kohana/libraries/View.php
@@ -222,7 +222,7 @@ class View_Core {
 	 * @return mixed   variable value if the key is found
 	 * @return void    if the key is not found
 	 */
-	public function __get($key)
+	public function &__get($key)
 	{
 		if (isset($this->kohana_local_data[$key]))
 			return $this->kohana_local_data[$key];
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