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authorRick Ellis <rick.ellis@ellislab.com>2008-08-21 20:31:28 +0200
committerRick Ellis <rick.ellis@ellislab.com>2008-08-21 20:31:28 +0200
commit6ad532917aa69d86db70f0da4a3b196003926fe9 (patch)
treecd7ac41861b4253ef7e6a993ce069ce7e1112721 /system/libraries/Loader.php
parent753ff321c6ae0b46a555337e651abe0241f82d6e (diff)
Added the ability to assign a custom object name when loading a library.
Added some code that looks to see if a library is in a subdirectory if the class is not found, and if the path was not specified
Diffstat (limited to 'system/libraries/Loader.php')
-rw-r--r--system/libraries/Loader.php65
1 files changed, 56 insertions, 9 deletions
diff --git a/system/libraries/Loader.php b/system/libraries/Loader.php
index e5640b070..e090cc09c 100644
--- a/system/libraries/Loader.php
+++ b/system/libraries/Loader.php
@@ -69,9 +69,10 @@ class CI_Loader {
* @access public
* @param string the name of the class
* @param mixed the optional parameters
+ * @param string an optional object name
* @return void
*/
- function library($library = '', $params = NULL)
+ function library($library = '', $params = NULL, $object_name = NULL)
{
if ($library == '')
{
@@ -87,7 +88,7 @@ class CI_Loader {
}
else
{
- $this->_ci_load_class($library, $params);
+ $this->_ci_load_class($library, $params, $object_name);
}
$this->_ci_assign_to_models();
@@ -329,8 +330,13 @@ class CI_Loader {
* @param array
* @return void
*/
- function vars($vars = array())
+ function vars($vars = array(), $val = '')
{
+ if ($val != '' AND is_string($vars))
+ {
+ $vars = array($vars => $val);
+ }
+
$vars = $this->_ci_object_to_array($vars);
if (is_array($vars) AND count($vars) > 0)
@@ -753,9 +759,10 @@ class CI_Loader {
* @access private
* @param string the item that is being loaded
* @param mixed any additional parameters
+ * @param string an optional object name
* @return void
*/
- function _ci_load_class($class, $params = NULL)
+ function _ci_load_class($class, $params = NULL, $object_name = NULL)
{
// Get the class name, and while we're at it trim any slashes.
// The directory path can be included as part of the class name,
@@ -799,6 +806,18 @@ class CI_Loader {
// Safety: Was the class already loaded by a previous call?
if (in_array($subclass, $this->_ci_classes))
{
+ // Before we deem this to be a duplicate request, let's see
+ // if a custom object name is being supplied. If so, we'll
+ // return a new instance of the object
+ if ( ! is_null($object_name))
+ {
+ $CI =& get_instance();
+ if ( ! isset($CI->$object_name))
+ {
+ return $this->_ci_init_class($class, config_item('subclass_prefix'), $params, $object_name);
+ }
+ }
+
$is_duplicate = TRUE;
log_message('debug', $class." class already loaded. Second attempt ignored.");
return;
@@ -808,7 +827,7 @@ class CI_Loader {
include_once($subclass);
$this->_ci_classes[] = $subclass;
- return $this->_ci_init_class($class, config_item('subclass_prefix'), $params);
+ return $this->_ci_init_class($class, config_item('subclass_prefix'), $params, $object_name);
}
// Lets search for the requested library file and load it.
@@ -827,6 +846,18 @@ class CI_Loader {
// Safety: Was the class already loaded by a previous call?
if (in_array($filepath, $this->_ci_classes))
{
+ // Before we deem this to be a duplicate request, let's see
+ // if a custom object name is being supplied. If so, we'll
+ // return a new instance of the object
+ if ( ! is_null($object_name))
+ {
+ $CI =& get_instance();
+ if ( ! isset($CI->$object_name))
+ {
+ return $this->_ci_init_class($class, '', $params, $object_name);
+ }
+ }
+
$is_duplicate = TRUE;
log_message('debug', $class." class already loaded. Second attempt ignored.");
return;
@@ -834,9 +865,16 @@ class CI_Loader {
include_once($filepath);
$this->_ci_classes[] = $filepath;
- return $this->_ci_init_class($class, '', $params);
+ return $this->_ci_init_class($class, '', $params, $object_name);
}
} // END FOREACH
+
+ // One last attempt. Maybe the library is in a subdirectory, but it wasn't specified?
+ if ($subdir == '')
+ {
+ $path = strtolower($class).'/'.$class;
+ return $this->_ci_load_class($path, $params);
+ }
// If we got this far we were unable to find the requested class.
// We do not issue errors if the load call failed due to a duplicate request
@@ -855,9 +893,10 @@ class CI_Loader {
* @access private
* @param string
* @param string
+ * @param string an optional object name
* @return null
*/
- function _ci_init_class($class, $prefix = '', $config = FALSE)
+ function _ci_init_class($class, $prefix = '', $config = FALSE, $object_name = NULL)
{
$class = strtolower($class);
@@ -879,8 +918,16 @@ class CI_Loader {
$name = $prefix.$class;
}
- // Set the variable name we will assign the class to
- $classvar = ( ! isset($this->_ci_varmap[$class])) ? $class : $this->_ci_varmap[$class];
+ // Set the variable name we will assign the class to
+ // Was a custom class name supplied? If so we'll use it
+ if (is_null($object_name))
+ {
+ $classvar = ( ! isset($this->_ci_varmap[$class])) ? $class : $this->_ci_varmap[$class];
+ }
+ else
+ {
+ $classvar = $object_name;
+ }
// Instantiate the class
$CI =& get_instance();