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<?php
/**
* The class creates object for plugin classes
*
* @file The Object Creator Class file
* @package HMWP/Objects
* @since 4.0.0
*/
defined( 'ABSPATH' ) || die( 'Cheatin\' uh?' );
/**
* Controller for handling object instances and configurations.
*/
class HMWP_Classes_ObjController {
/**
* Array of instance objects for quick call
*
* @var array of instances
*/
public static $instances;
/**
* Configuration settings for the application
*
* @var array
*/
public static $config;
/**
* Retrieves an instance of the specified class with optional constructor arguments.
*
* @param string $className Name of the class to retrieve.
* @param array $args Optional constructor arguments to pass when instantiating the class.
*
* @return object|false Instance of the specified class if successful, otherwise false.
*
* @throws Exception if the class file does not exist or is abstract.
*/
public static function getClass( $className, $args = array() ) {
if ( $class = self::getClassByPath( $className ) ) {
if ( ! isset( self::$instances[ $className ] ) ) {
/* check if class is already defined */
if ( ! class_exists( $className ) ) {
//include the class file
self::includeClass( $class['dir'], $class['name'] );
//check if abstract
$check = new ReflectionClass( $className );
$abstract = $check->isAbstract();
if ( ! $abstract ) {
self::$instances[ $className ] = new $className();
if ( ! empty( $args ) ) {
call_user_func_array( array( self::$instances[ $className ], '__construct' ), $args );
}
return self::$instances[ $className ];
} else {
self::$instances[ $className ] = true;
}
}
} else {
return self::$instances[ $className ];
}
} else {
// Stop all hooks on error
defined( 'HMWP_DISABLE' ) || define( 'HMWP_DISABLE', true );
// Get the class dir and name
$class = self::getClassPath( $className );
// Show the file not found error
HMWP_Classes_Error::showError( 'File not found: ' . $class['dir'] . $class['name'] . '.php', 'danger' );
}
return false;
}
/**
* Clear the class instance
*
* @param string $className
* @param array $args
*
* @return mixed
* @throws Exception
*/
public static function newInstance( $className, $args = array() ) {
if ( self::getClassByPath( $className ) ) {
/* check if class is already defined */
if ( class_exists( $className ) ) {
//check if abstract
self::$instances[ $className ] = new $className();
if ( ! empty( $args ) ) {
call_user_func_array( array( self::$instances[ $className ], '__construct' ), $args );
}
return self::$instances[ $className ];
} else {
return self::getClass( $className, $args );
}
}
return false;
}
/**
* Include Class if exists
*
* @param $classDir
* @param $className
*
* @throws Exception
*/
private static function includeClass( $classDir, $className ) {
//Initialize WordPress Filesystem
$wp_filesystem = self::initFilesystem();
$path = $classDir . $className . '.php';
if ( $wp_filesystem->exists( $path ) ) {
include_once $path;
}
}
/**
* Check if the class is correctly set
*
* @param string $className
*
* @return boolean
*/
private static function checkClassPath( $className ) {
$path = preg_split( '/[_]+/', $className );
if ( is_array( $path ) && count( $path ) > 1 ) {
if ( in_array( _HMWP_NAMESPACE_, $path ) ) {
return true;
}
}
return false;
}
/**
* Get the path of the class and name of the class
*
* @param string $className
*
* @return array|false
*/
public static function getClassPath( $className ) {
$dir = '';
if ( self::checkClassPath( $className ) ) {
$path = preg_split( '/[_]+/', $className );
for ( $i = 1; $i < sizeof( $path ) - 1; $i ++ ) {
$dir .= strtolower( $path[ $i ] ) . '/';
}
return array(
'dir' => _HMWP_ROOT_DIR_ . '/' . $dir,
'name' => $path[ sizeof( $path ) - 1 ]
);
}
return false;
}
/**
* Get the valid class by path
*
* @param $className
*
* @return array|bool|false
*/
public static function getClassByPath( $className ) {
// Initialize WordPress Filesystem
$wp_filesystem = self::initFilesystem();
// Get the class dir and name
$class = self::getClassPath( $className );
if ( $wp_filesystem->exists( $class['dir'] . $class['name'] . '.php' ) || file_exists( $class['dir'] . $class['name'] . '.php' ) ) {
return $class;
}
return false;
}
/**
* Instantiates the WordPress filesystem
*
* @return mixed
*/
public static function initFilesystem() {
// The WordPress filesystem.
global $wp_filesystem;
if ( ! function_exists( 'WP_Filesystem' ) ) {
include_once ABSPATH . 'wp-admin/includes/file.php';
}
// Call WordPress filesystem function
WP_Filesystem();
// If the filesystem is not connected to the files,
// Initiate filesystem with direct connection to the server files
if ( ! $wp_filesystem->connect() ) {
add_filter( 'filesystem_method', function ( $method ) {
return 'direct';
}, 1 );
WP_Filesystem();
}
// return the filesystem object
return $wp_filesystem;
}
}
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