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ENHANCEMENT Added Extension::get_classname_without_arguments()

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git-svn-id: svn://svn.silverstripe.com/silverstripe/open/modules/sapphire/trunk@73884 467b73ca-7a2a-4603-9d3b-597d59a354a9
This commit is contained in:
Ingo Schommer 2009-03-31 19:32:51 +00:00
parent 23fc9380f2
commit 9eb57d064e
1 changed files with 20 additions and 2 deletions
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22
core/Extension.php
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@ -1,7 +1,12 @@
<?php
/**
* Add extension that can be added to an object with Object::add_extension().
* For DataObject extensions, use DataObjectDecorator
* Add extension that can be added to an object with {@link Object::add_extension()}.
* For {@link DataObject} extensions, use {@link DataObjectDecorator}.
* Each extension instance has an "owner" instance, accessible through
* {@link getOwner()}.
* Every object instance gets its own set of extension instances,
* meaning you can set parameters specific to the "owner instance"
* in new Extension instances.
*
* @package sapphire
* @subpackage core
@ -35,6 +40,19 @@ abstract class Extension extends Object {
public function getOwner() {
return $this->owner;
}
/**
* Helper method to strip eval'ed arguments from a string
* thats passed to {@link DataObject::$extensions} or
* {@link Object::add_extension()}.
*
* @param string $extensionStr E.g. "Versioned('Stage','Live')"
* @return string Extension classname, e.g. "Versioned"
*/
public static function get_classname_without_arguments($extensionStr) {
return (($p = strpos($extensionStr, '(')) !== false) ? substr($extensionStr, 0, $p) : $extensionStr;
}
}
?>