????
Your IP : 216.73.216.152
<?php
/**
* Makes sure the dependencies are loaded and the environment is prepared to use them.
*
* @package Yoast\YoastSEO\Config
*/
namespace Yoast\WP\Free\Config;
use Composer\Script\Event;
use Composer\Installer\PackageEvent;
/**
* Sets up class aliases and defines required constants.
*/
class Dependency_Management {
/**
* Registers the autoloader to create class aliases when needed.
*
* @return bool True on success, false on failure.
*/
public function initialize() {
// Prepend the autoloader to the stack, allowing for discovery of prefixed classes.
// @codingStandardsIgnoreLine PHPCompatibility.PHP.NewFunctions.class_aliasFound -- PHP >= 5.3 only.
return \spl_autoload_register( array( $this, 'ensure_class_alias' ), true, true );
}
/**
* Makes sure a class alias is created when a base class exists.
*
* @param string $class Class to create alias for.
*
* @return void
*/
public function ensure_class_alias( $class ) {
// If the namespace beings with the dependency class prefix, make an alias for regular class.
if ( strpos( $class, YOAST_VENDOR_NS_PREFIX ) !== 0 || $this->prefixed_available() ) {
return;
}
$base = substr( $class, ( strlen( YOAST_VENDOR_NS_PREFIX ) + 1 ) );
if ( ! $this->class_exists( $base ) ) {
return;
}
$this->class_alias( $base, $class );
}
/**
* Checks if the prefixes are available.
*
* @codeCoverageIgnore
*
* @return bool True if prefixes are available.
*/
public function prefixed_available() {
static $available = null;
if ( $available === null ) {
$available = is_file( WPSEO_PATH . YOAST_VENDOR_PREFIX_DIRECTORY . '/dependencies-prefixed.txt' );
}
return $available;
}
/**
* Prefixes dependencies if composer install is ran with dev mode.
*
* Used in composer in the post-install script hook.
*
* @codeCoverageIgnore
*
* @param Event $event Composer event that triggered this script.
*
* @return void
*/
public static function prefix_dependencies( Event $event ) {
$io = $event->getIO();
if ( ! $event->isDevMode() ) {
$io->write( 'Not prefixing dependencies.' );
return;
}
$io->write( 'Prefixing dependencies...' );
$event_dispatcher = $event->getComposer()->getEventDispatcher();
$event_dispatcher->dispatchScript( 'prefix-dependencies', $event->isDevMode() );
}
/**
* Wraps class_exists to make this better testable.
*
* @codeCoverageIgnore
*
* @param string $class Class to test for existence.
*
* @return bool True if the class exists.
*/
protected function class_exists( $class ) {
return class_exists( $class ) || interface_exists( $class );
}
/**
* Wraps class alias to make it better testable.
*
* @codeCoverageIgnore
*
* @param string $base Base class to use for the alias.
* @param string $alias Class to create an alias for.
*
* @return bool True on successful alias.
*/
protected function class_alias( $base, $alias ) {
// @codingStandardsIgnoreLine PHPCompatibility.PHP.NewFunctions.class_aliasFound -- PHP >= 5.3 only.
return class_alias( $base, $alias );
}
}