Merge commit 'v2.0.3' into working

Conflicts:
	.gitignore
	application/views/welcome_message.php
	user_guide/changelog.html
	user_guide/database/active_record.html
	user_guide/database/caching.html
	user_guide/database/call_function.html
	user_guide/database/configuration.html
	user_guide/database/connecting.html
	user_guide/database/examples.html
	user_guide/database/fields.html
	user_guide/database/forge.html
	user_guide/database/helpers.html
	user_guide/database/index.html
	user_guide/database/queries.html
	user_guide/database/results.html
	user_guide/database/table_data.html
	user_guide/database/transactions.html
	user_guide/database/utilities.html
	user_guide/doc_style/index.html
	user_guide/general/alternative_php.html
	user_guide/general/ancillary_classes.html
	user_guide/general/autoloader.html
	user_guide/general/caching.html
	user_guide/general/cli.html
	user_guide/general/common_functions.html
	user_guide/general/controllers.html
	user_guide/general/core_classes.html
	user_guide/general/creating_drivers.html
	user_guide/general/creating_libraries.html
	user_guide/general/credits.html
	user_guide/general/drivers.html
	user_guide/general/environments.html
	user_guide/general/errors.html
	user_guide/general/helpers.html
	user_guide/general/hooks.html
	user_guide/general/libraries.html
	user_guide/general/managing_apps.html
	user_guide/general/models.html
	user_guide/general/profiling.html
	user_guide/general/quick_reference.html
	user_guide/general/requirements.html
	user_guide/general/reserved_names.html
	user_guide/general/routing.html
	user_guide/general/security.html
	user_guide/general/styleguide.html
	user_guide/general/urls.html
	user_guide/general/views.html
	user_guide/helpers/array_helper.html
	user_guide/helpers/captcha_helper.html
	user_guide/helpers/cookie_helper.html
	user_guide/helpers/date_helper.html
	user_guide/helpers/directory_helper.html
	user_guide/helpers/download_helper.html
	user_guide/helpers/email_helper.html
	user_guide/helpers/file_helper.html
	user_guide/helpers/form_helper.html
	user_guide/helpers/html_helper.html
	user_guide/helpers/inflector_helper.html
	user_guide/helpers/language_helper.html
	user_guide/helpers/number_helper.html
	user_guide/helpers/path_helper.html
	user_guide/helpers/security_helper.html
	user_guide/helpers/smiley_helper.html
	user_guide/helpers/string_helper.html
	user_guide/helpers/text_helper.html
	user_guide/helpers/typography_helper.html
	user_guide/helpers/url_helper.html
	user_guide/helpers/xml_helper.html
	user_guide/index.html
	user_guide/installation/downloads.html
	user_guide/installation/index.html
	user_guide/installation/troubleshooting.html
	user_guide/installation/upgrade_120.html
	user_guide/installation/upgrade_130.html
	user_guide/installation/upgrade_131.html
	user_guide/installation/upgrade_132.html
	user_guide/installation/upgrade_133.html
	user_guide/installation/upgrade_140.html
	user_guide/installation/upgrade_141.html
	user_guide/installation/upgrade_150.html
	user_guide/installation/upgrade_152.html
	user_guide/installation/upgrade_153.html
	user_guide/installation/upgrade_154.html
	user_guide/installation/upgrade_160.html
	user_guide/installation/upgrade_161.html
	user_guide/installation/upgrade_162.html
	user_guide/installation/upgrade_163.html
	user_guide/installation/upgrade_170.html
	user_guide/installation/upgrade_171.html
	user_guide/installation/upgrade_172.html
	user_guide/installation/upgrade_200.html
	user_guide/installation/upgrade_201.html
	user_guide/installation/upgrade_202.html
	user_guide/installation/upgrade_b11.html
	user_guide/installation/upgrading.html
	user_guide/libraries/benchmark.html
	user_guide/libraries/caching.html
	user_guide/libraries/calendar.html
	user_guide/libraries/cart.html
	user_guide/libraries/config.html
	user_guide/libraries/email.html
	user_guide/libraries/encryption.html
	user_guide/libraries/file_uploading.html
	user_guide/libraries/form_validation.html
	user_guide/libraries/ftp.html
	user_guide/libraries/image_lib.html
	user_guide/libraries/input.html
	user_guide/libraries/javascript.html
	user_guide/libraries/language.html
	user_guide/libraries/loader.html
	user_guide/libraries/output.html
	user_guide/libraries/pagination.html
	user_guide/libraries/parser.html
	user_guide/libraries/security.html
	user_guide/libraries/sessions.html
	user_guide/libraries/table.html
	user_guide/libraries/trackback.html
	user_guide/libraries/typography.html
	user_guide/libraries/unit_testing.html
	user_guide/libraries/uri.html
	user_guide/libraries/user_agent.html
	user_guide/libraries/xmlrpc.html
	user_guide/libraries/zip.html
	user_guide/license.html
	user_guide/nav/nav.js
	user_guide/overview/appflow.html
	user_guide/overview/at_a_glance.html
	user_guide/overview/cheatsheets.html
	user_guide/overview/features.html
	user_guide/overview/getting_started.html
	user_guide/overview/goals.html
	user_guide/overview/index.html
	user_guide/overview/mvc.html
	user_guide/toc.html

Signed-off-by: Florian Pritz <bluewind@xinu.at>

8 files changed, 115 insertions, 90 deletions

diff --git a/system/helpers/download_helper.php b/system/helpers/download_helper.php
index f8073d238..1145688ae 100755
--- a/system/helpers/download_helper.php
+++ b/system/helpers/download_helper.php
@@ -58,13 +58,13 @@ if ( ! function_exists('force_download'))
 		$extension = end($x);
 
 		// Load the mime types
-		if (defined('ENVIRONMENT') AND is_file(APPPATH.'config/'.ENVIRONMENT.'/mimes'.EXT))
+		if (defined('ENVIRONMENT') AND is_file(APPPATH.'config/'.ENVIRONMENT.'/mimes.php'))
 		{
-			include(APPPATH.'config/'.ENVIRONMENT.'/mimes'.EXT);
+			include(APPPATH.'config/'.ENVIRONMENT.'/mimes.php');
 		}
-		elseif (is_file(APPPATH.'config/mimes'.EXT))
+		elseif (is_file(APPPATH.'config/mimes.php'))
 		{
-			include(APPPATH.'config/mimes'.EXT);
+			include(APPPATH.'config/mimes.php');
 		}
 
 		// Set a default mime if we can't find it
diff --git a/system/helpers/file_helper.php b/system/helpers/file_helper.php
index 44344947e..3931667fd 100755
--- a/system/helpers/file_helper.php
+++ b/system/helpers/file_helper.php
@@ -352,13 +352,13 @@ if ( ! function_exists('get_mime_by_extension'))
 
 		if ( ! is_array($mimes))
 		{
-			if (defined('ENVIRONMENT') AND is_file(APPPATH.'config/'.ENVIRONMENT.'/mimes'.EXT))
+			if (defined('ENVIRONMENT') AND is_file(APPPATH.'config/'.ENVIRONMENT.'/mimes.php'))
 			{
-				include(APPPATH.'config/'.ENVIRONMENT.'/mimes'.EXT);
+				include(APPPATH.'config/'.ENVIRONMENT.'/mimes.php');
 			}
-			elseif (is_file(APPPATH.'config/mimes'.EXT))
+			elseif (is_file(APPPATH.'config/mimes.php'))
 			{
-				include(APPPATH.'config/mimes'.EXT);
+				include(APPPATH.'config/mimes.php');
 			}
 
 			if ( ! is_array($mimes))
diff --git a/system/helpers/form_helper.php b/system/helpers/form_helper.php
index 8aa788c6c..2925d3c7c 100755
--- a/system/helpers/form_helper.php
+++ b/system/helpers/form_helper.php
@@ -67,12 +67,12 @@ if ( ! function_exists('form_open'))
 		// CSRF
 		if ($CI->config->item('csrf_protection') === TRUE)
 		{
-			$hidden[$CI->security->csrf_token_name] = $CI->security->csrf_hash;
+			$hidden[$CI->security->get_csrf_token_name()] = $CI->security->get_csrf_hash();
 		}
 
 		if (is_array($hidden) AND count($hidden) > 0)
 		{
-			$form .= sprintf("\n<div class=\"hidden\">%s</div>", form_hidden($hidden));
+			$form .= sprintf("<div style=\"display:none\">%s</div>", form_hidden($hidden));
 		}
 
 		return $form;
@@ -1032,25 +1032,23 @@ if ( ! function_exists('_get_validation_object'))
 	{
 		$CI =& get_instance();
 
-		// We set this as a variable since we're returning by reference
+		// We set this as a variable since we're returning by reference.
 		$return = FALSE;
-
-		if ( ! isset($CI->load->_ci_classes) OR  ! isset($CI->load->_ci_classes['form_validation']))
-		{
-			return $return;
-		}
-
-		$object = $CI->load->_ci_classes['form_validation'];
-
-		if ( ! isset($CI->$object) OR ! is_object($CI->$object))
+		
+		if (FALSE !== ($object = $CI->load->is_loaded('form_validation')))
 		{
-			return $return;
+			if ( ! isset($CI->$object) OR ! is_object($CI->$object))
+			{
+				return $return;
+			}
+			
+			return $CI->$object;
 		}
-
-		return $CI->$object;
+		
+		return $return;
 	}
 }
 
 
 /* End of file form_helper.php */
-/* Location: ./system/helpers/form_helper.php */
\ No newline at end of file
+/* Location: ./system/helpers/form_helper.php */
diff --git a/system/helpers/html_helper.php b/system/helpers/html_helper.php
index c6103ab6f..b64b60650 100755
--- a/system/helpers/html_helper.php
+++ b/system/helpers/html_helper.php
@@ -40,9 +40,10 @@
  */
 if ( ! function_exists('heading'))
 {
-	function heading($data = '', $h = '1')
+	function heading($data = '', $h = '1', $attributes = '')
 	{
-		return "<h".$h.">".$data."</h".$h.">";
+		$attributes = ($attributes != '') ? ' '.$attributes : $attributes;
+		return "<h".$h.$attributes.">".$data."</h".$h.">";
 	}
 }
 
@@ -123,6 +124,10 @@ if ( ! function_exists('_list'))
 			}
 			$attributes = $atts;
 		}
+		elseif (is_string($attributes) AND strlen($attributes) > 0)
+		{
+			$attributes = ' '. $attributes;
+		}
 
 		// Write the opening list tag
 		$out .= "<".$type.$attributes.">\n";
@@ -258,13 +263,13 @@ if ( ! function_exists('doctype'))
 
 		if ( ! is_array($_doctypes))
 		{
-			if (defined('ENVIRONMENT') AND is_file(APPPATH.'config/'.ENVIRONMENT.'/doctypes'.EXT))
+			if (defined('ENVIRONMENT') AND is_file(APPPATH.'config/'.ENVIRONMENT.'/doctypes.php'))
 			{
-				include(APPPATH.'config/'.ENVIRONMENT.'/doctypes'.EXT);
+				include(APPPATH.'config/'.ENVIRONMENT.'/doctypes.php');
 			}
-			elseif (is_file(APPPATH.'config/doctypes'.EXT))
+			elseif (is_file(APPPATH.'config/doctypes.php'))
 			{
-				include(APPPATH.'config/doctypes'.EXT);
+				include(APPPATH.'config/doctypes.php');
 			}
 
 			if ( ! is_array($_doctypes))
diff --git a/system/helpers/inflector_helper.php b/system/helpers/inflector_helper.php
index c7c113b8a..7b99bc5b4 100755
--- a/system/helpers/inflector_helper.php
+++ b/system/helpers/inflector_helper.php
@@ -41,30 +41,48 @@ if ( ! function_exists('singular'))
 {
 	function singular($str)
 	{
-		$str = trim($str);
-		$end = substr($str, -3);
-        
-        $str = preg_replace('/(.*)?([s|c]h)es/i','$1$2',$str);
-        
-		if (strtolower($end) == 'ies')
+		$result = strval($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)
 		{
-			$str = substr($str, 0, strlen($str)-3).(preg_match('/[a-z]/',$end) ? 'y' : 'Y');
-		}
-		elseif (strtolower($end) == 'ses')
-		{
-			$str = substr($str, 0, strlen($str)-2);
-		}
-		else
-		{
-			$end = strtolower(substr($str, -1));
-
-			if ($end == 's')
+			if (preg_match($rule, $result))
 			{
-				$str = substr($str, 0, strlen($str)-1);
+				$result = preg_replace($rule, $replacement, $result);
+				break;
 			}
 		}
 
-		return $str;
+		return $result;
 	}
 }
 
@@ -83,40 +101,41 @@ if ( ! function_exists('singular'))
 if ( ! function_exists('plural'))
 {
 	function plural($str, $force = FALSE)
-	{   
-        $str = trim($str);
-		$end = substr($str, -1);
-
-		if (preg_match('/y/i',$end))
-		{
-			// Y preceded by vowel => regular plural
-			$vowels = array('a', 'e', 'i', 'o', 'u', 'A', 'E', 'I', 'O', 'U');
-			$str = in_array(substr($str, -2, 1), $vowels) ? $str.'s' : substr($str, 0, -1).'ies';
-		}
-		elseif (preg_match('/h/i',$end))
-		{
-            if(preg_match('/^[c|s]h$/i',substr($str, -2)))
-			{
-				$str .= 'es';
-			}
-			else
-			{
-				$str .= 's';
-			}
-		}
-		elseif (preg_match('/s/i',$end))
+	{
+		$result = strval($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 => $replacement)
 		{
-			if ($force == TRUE)
+			if (preg_match($rule, $result))
 			{
-				$str .= 'es';
+				$result = preg_replace($rule, $replacement, $result);
+				break;
 			}
 		}
-		else
-		{
-			$str .= 's';
-		}
 
-		return $str;
+		return $result;
 	}
 }
 
diff --git a/system/helpers/smiley_helper.php b/system/helpers/smiley_helper.php
index a2d1031b3..6d8889354 100755
--- a/system/helpers/smiley_helper.php
+++ b/system/helpers/smiley_helper.php
@@ -229,13 +229,13 @@ if ( ! function_exists('_get_smiley_array'))
 {
 	function _get_smiley_array()
 	{
-		if (defined('ENVIRONMENT') AND file_exists(APPPATH.'config/'.ENVIRONMENT.'/smileys'.EXT))
+		if (defined('ENVIRONMENT') AND file_exists(APPPATH.'config/'.ENVIRONMENT.'/smileys.php'))
 		{
-		    include(APPPATH.'config/'.ENVIRONMENT.'/smileys'.EXT);
+		    include(APPPATH.'config/'.ENVIRONMENT.'/smileys.php');
 		}
-		elseif (file_exists(APPPATH.'config/smileys'.EXT))
+		elseif (file_exists(APPPATH.'config/smileys.php'))
 		{
-			include(APPPATH.'config/smileys'.EXT);
+			include(APPPATH.'config/smileys.php');
 		}
 		
 		if (isset($smileys) AND is_array($smileys))
diff --git a/system/helpers/text_helper.php b/system/helpers/text_helper.php
index cca093976..33d7fa2fd 100755
--- a/system/helpers/text_helper.php
+++ b/system/helpers/text_helper.php
@@ -366,13 +366,13 @@ if ( ! function_exists('convert_accented_characters'))
 {
 	function convert_accented_characters($str)
 	{
-		if (defined('ENVIRONMENT') AND is_file(APPPATH.'config/'.ENVIRONMENT.'/foreign_chars'.EXT))
+		if (defined('ENVIRONMENT') AND is_file(APPPATH.'config/'.ENVIRONMENT.'/foreign_chars.php'))
 		{
-			include(APPPATH.'config/'.ENVIRONMENT.'/foreign_chars'.EXT);
+			include(APPPATH.'config/'.ENVIRONMENT.'/foreign_chars.php');
 		}
-		elseif (is_file(APPPATH.'config/foreign_chars'.EXT))
+		elseif (is_file(APPPATH.'config/foreign_chars.php'))
 		{
-			include(APPPATH.'config/foreign_chars'.EXT);
+			include(APPPATH.'config/foreign_chars.php');
 		}
 
 		if ( ! isset($foreign_characters))
diff --git a/system/helpers/url_helper.php b/system/helpers/url_helper.php
index d0516cee6..9f4b85248 100755
--- a/system/helpers/url_helper.php
+++ b/system/helpers/url_helper.php
@@ -50,18 +50,21 @@ if ( ! function_exists('site_url'))
 
 /**
  * Base URL
- *
- * Returns the "base_url" item from your config file
+ * 
+ * Create a local URL based on your basepath.
+ * Segments can be passed in as a string or an array, same as site_url
+ * or a URL to a file can be passed in, e.g. to an image file.
  *
  * @access	public
+ * @param string
  * @return	string
  */
 if ( ! function_exists('base_url'))
 {
-	function base_url()
+	function base_url($uri = '')
 	{
 		$CI =& get_instance();
-		return $CI->config->slash_item('base_url');
+		return $CI->config->base_url($uri);
 	}
 }