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authorGreg Aker <greg@gregaker.net>2011-12-25 08:24:29 +0100
committerGreg Aker <greg@gregaker.net>2011-12-25 08:24:29 +0100
commit5c1aa631c5f5ec2f6b75ba1158178418e50ba11a (patch)
tree3dc36050275f67bbb7ba52f92d62609b12291369 /system/core/Common.php
parent11ce5da8c743b5f6592c83a2b91e545d76a8789b (diff)
Abstracting the loading of files in the config directory depending on environments.
Diffstat (limited to 'system/core/Common.php')
-rw-r--r--system/core/Common.php200
1 files changed, 116 insertions, 84 deletions
diff --git a/system/core/Common.php b/system/core/Common.php
index b0921fe0c..9e05f3db4 100644
--- a/system/core/Common.php
+++ b/system/core/Common.php
@@ -47,7 +47,6 @@
* Since there are a few places where we conditionally test for PHP > 5
* we'll set a static variable.
*
-* @access public
* @param string
* @return bool TRUE if the current version is $version or higher
*/
@@ -76,7 +75,6 @@ if ( ! function_exists('is_php'))
* the file, based on the read-only attribute. is_writable() is also unreliable
* on Unix servers if safe_mode is on.
*
- * @access private
* @return void
*/
if ( ! function_exists('is_really_writable'))
@@ -118,18 +116,17 @@ if ( ! function_exists('is_really_writable'))
// ------------------------------------------------------------------------
/**
-* Class registry
-*
-* This function acts as a singleton. If the requested class does not
-* exist it is instantiated and set to a static variable. If it has
-* previously been instantiated the variable is returned.
-*
-* @access public
-* @param string the class name being requested
-* @param string the directory where the class should be found
-* @param string the class name prefix
-* @return object
-*/
+ * Class registry
+ *
+ * This function acts as a singleton. If the requested class does not
+ * exist it is instantiated and set to a static variable. If it has
+ * previously been instantiated the variable is returned.
+ *
+ * @param string the class name being requested
+ * @param string the directory where the class should be found
+ * @param string the class name prefix
+ * @return object
+ */
if ( ! function_exists('load_class'))
{
function &load_class($class, $directory = 'libraries', $prefix = 'CI_')
@@ -191,12 +188,11 @@ if ( ! function_exists('load_class'))
// --------------------------------------------------------------------
/**
-* Keeps track of which libraries have been loaded. This function is
-* called by the load_class() function above
-*
-* @access public
-* @return array
-*/
+ * Keeps track of which libraries have been loaded. This function is
+ * called by the load_class() function above
+ *
+ * @return array
+ */
if ( ! function_exists('is_loaded'))
{
function is_loaded($class = '')
@@ -215,14 +211,13 @@ if ( ! function_exists('is_loaded'))
// ------------------------------------------------------------------------
/**
-* Loads the main config.php file
-*
-* This function lets us grab the config file even if the Config class
-* hasn't been instantiated yet
-*
-* @access private
-* @return array
-*/
+ * Loads the main config.php file
+ *
+ * This function lets us grab the config file even if the Config class
+ * hasn't been instantiated yet
+ *
+ * @return array
+ */
if ( ! function_exists('get_config'))
{
function &get_config($replace = array())
@@ -273,11 +268,10 @@ if ( ! function_exists('get_config'))
// ------------------------------------------------------------------------
/**
-* Returns the specified config item
-*
-* @access public
-* @return mixed
-*/
+ * Returns the specified config item
+ *
+ * @return mixed
+ */
if ( ! function_exists('config_item'))
{
function config_item($item)
@@ -302,17 +296,16 @@ if ( ! function_exists('config_item'))
// ------------------------------------------------------------------------
/**
-* Error Handler
-*
-* This function lets us invoke the exception class and
-* display errors using the standard error template located
-* in application/errors/errors.php
-* This function will send the error page directly to the
-* browser and exit.
-*
-* @access public
-* @return void
-*/
+ * Error Handler
+ *
+ * This function lets us invoke the exception class and
+ * display errors using the standard error template located
+ * in application/errors/errors.php
+ * This function will send the error page directly to the
+ * browser and exit.
+ *
+ * @return void
+ */
if ( ! function_exists('show_error'))
{
function show_error($message, $status_code = 500, $heading = 'An Error Was Encountered')
@@ -326,15 +319,14 @@ if ( ! function_exists('show_error'))
// ------------------------------------------------------------------------
/**
-* 404 Page Handler
-*
-* This function is similar to the show_error() function above
-* However, instead of the standard error template it displays
-* 404 errors.
-*
-* @access public
-* @return void
-*/
+ * 404 Page Handler
+ *
+ * This function is similar to the show_error() function above
+ * However, instead of the standard error template it displays
+ * 404 errors.
+ *
+ * @return void
+ */
if ( ! function_exists('show_404'))
{
function show_404($page = '', $log_error = TRUE)
@@ -348,14 +340,13 @@ if ( ! function_exists('show_404'))
// ------------------------------------------------------------------------
/**
-* Error Logging Interface
-*
-* We use this as a simple mechanism to access the logging
-* class and send messages to be logged.
-*
-* @access public
-* @return void
-*/
+ * Error Logging Interface
+ *
+ * We use this as a simple mechanism to access the logging
+ * class and send messages to be logged.
+ *
+ * @return void
+ */
if ( ! function_exists('log_message'))
{
function log_message($level = 'error', $message, $php_error = FALSE)
@@ -377,7 +368,6 @@ if ( ! function_exists('log_message'))
/**
* Set HTTP Status Header
*
- * @access public
* @param int the status code
* @param string
* @return void
@@ -464,19 +454,18 @@ if ( ! function_exists('set_status_header'))
// --------------------------------------------------------------------
/**
-* Exception Handler
-*
-* This is the custom exception handler that is declaired at the top
-* of Codeigniter.php. The main reason we use this is to permit
-* PHP errors to be logged in our own log files since the user may
-* not have access to server logs. Since this function
-* effectively intercepts PHP errors, however, we also need
-* to display errors based on the current error_reporting level.
-* We do that with the use of a PHP error template.
-*
-* @access private
-* @return void
-*/
+ * Exception Handler
+ *
+ * This is the custom exception handler that is declaired at the top
+ * of Codeigniter.php. The main reason we use this is to permit
+ * PHP errors to be logged in our own log files since the user may
+ * not have access to server logs. Since this function
+ * effectively intercepts PHP errors, however, we also need
+ * to display errors based on the current error_reporting level.
+ * We do that with the use of a PHP error template.
+ *
+ * @return void
+ */
if ( ! function_exists('_exception_handler'))
{
function _exception_handler($severity, $message, $filepath, $line)
@@ -518,7 +507,6 @@ if ( ! function_exists('_exception_handler'))
* This prevents sandwiching null characters
* between ascii characters, like Java\0script.
*
- * @access public
* @param string
* @return string
*/
@@ -552,12 +540,11 @@ if ( ! function_exists('remove_invisible_characters'))
// ------------------------------------------------------------------------
/**
-* Returns HTML escaped variable
-*
-* @access public
-* @param mixed
-* @return mixed
-*/
+ * Returns HTML escaped variable
+ *
+ * @param mixed
+ * @return mixed
+ */
if ( ! function_exists('html_escape'))
{
function html_escape($var)
@@ -566,12 +553,57 @@ if ( ! function_exists('html_escape'))
{
return array_map('html_escape', $var);
}
+
+ return htmlspecialchars($var, ENT_QUOTES, config_item('charset'));
+ }
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Load Environmental config directory files.
+ *
+ * In several places we check to see if the environment is loaded up and if the file
+ * that is being requested lives in said environment. Otherwise load up the file from
+ * the main CI config dir.
+ *
+ * @todo Optimize a bit to lessen the file system hits if the file has been loaded.
+ * @param string filename without extension. eg: 'config' or 'hooks'
+ * @param boolean whether or not to do a `require_once()` or a simple `include()`
+ * @return void
+ */
+ if ( ! function_exists('load_environ_config'))
+ {
+ function load_environ_config($file, $require=FALSE)
+ {
+ if (defined('ENVIRONMENT') AND file_exists(APPPATH.'config/'.ENVIRONMENT.'/'.$file.'.php'))
+ {
+ if ($require)
+ {
+ require_once(APPPATH.'config/'.ENVIRONMENT.'/'.$file.'.php');
+ }
+ else
+ {
+ include(APPPATH.'config/'.ENVIRONMENT.'/'.$file.'.php');
+ }
+
+ return;
+ }
+
+ if ($require)
+ {
+ require_once(APPPATH.'config/'.$file.'.php');
+ }
else
{
- return htmlspecialchars($var, ENT_QUOTES, config_item('charset'));
+ include(APPPATH.'config/'.$file.'.php');
}
+
+ return;
}
-}
+ }
+
+// ------------------------------------------------------------------------
/* End of file Common.php */
/* Location: ./system/core/Common.php */ \ No newline at end of file