| Current Path : /home1/savoy/sportsmeet.net/wp-content/plugins/the-events-calendar/common/src/Tribe/ |
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| Current File : /home1/savoy/sportsmeet.net/wp-content/plugins/the-events-calendar/common/src/Tribe/Autoloader.php |
<?php
if ( ! class_exists( 'Tribe__Autoloader' ) ) {
/**
* Class Tribe__Autoloader
*
* Allows for autoloading of Tribe plugins classes.
*
* Example usage:
*
* // will be `/var/www/site/wp-content/plugins/the-events-calendar'
* $this_dir = dirname(__FILE__);
*
* // gets hold of the singleton instance of the class
* $autoloader = Tribe__Autoloader::instance();
*
* // register one by one or use `register_prefixes` method
* $autoloader->register_prefix( 'Tribe__Admin__', $this_dir . '/src/Tribe/admin' );
* $autoloader->register_prefix( 'Tribe__Admin__', $this_dir . '/src/Tribe/another-dir' );
* $autoloader->register_prefix( 'Tribe__Utils__', $this_dir . '/src/Tribe/another-dir' );
*
* // register a direct class to path
* $autoloader->register_class( 'Tribe__Some_Class', $this_dir . '/some/path/to/Some_Class.php' );
*
* // register a fallback dir to be searched for the class before giving up
* $autoloader->add_fallback_dir( $this_dir . '/all-the-classes' );
*
* // calls `spl_autoload_register`
* $autoloader->register_autoloader();
*
* // class will be searched in the path
* // `/var/www/site/wp-content/plugins/the-events-calendar/src/Tribe/admin/Some_Class.php'
* // and
* // `/var/www/site/wp-content/plugins/the-events-calendar/src/Tribe/another-dir/Some_Class.php'
* $i = new Tribe__Admin__Some_Class();
*
* // class will be searched in the path
* // `/var/www/site/wp-content/plugins/the-events-calendar/utils/some-dir/Some_Util.php'
* $i = new Tribe__Utils__Some_Util();
*
* // class will be searched in the path
* // `/var/www/site/wp-content/plugins/the-events-calendar/deprecated/Tribe_DeprecatedClass.php'
* $i = new Tribe_DeprecatedClass();
*/
class Tribe__Autoloader {
/**
* @var Tribe__Autoloader
*/
protected static $instance;
/**
* An arrays of arrays each containing absolute paths.
*
* Paths are stored trimming any trailing `/`.
* E.g. `/var/www/tribe-pro/wp-content/plugins/the-events-calendar/src/Tribe`
*
* @var string[][]
*/
protected $prefixes;
/**
* An array of registered prefixes with unique slugs.
*
* @var string[]
*/
protected $prefix_slugs;
/**
* The string acting as a directory separator in a class name.
*
* E.g.: given `__` as `$dir_separator` then `Admin__Metabox__Some_Metabox`
* will map to `/Admin/Metabox/SomeMetabox.php`.
*
* @var string
*/
protected $dir_separator = '__';
/** @var string[] */
protected $fallback_dirs = [];
/**
* @var array
*/
protected $class_paths = [];
/**
* Returns the singleton instance of the class.
*
* @return Tribe__Autoloader
*/
public static function instance() {
if ( ! self::$instance instanceof Tribe__Autoloader ) {
self::$instance = new self();
}
return self::$instance;
}
/**
* Registers prefixes and root dirs using an array.
*
* Same as calling `register_prefix` on each one.
*
* @param array $prefixes_to_root_dirs
*/
public function register_prefixes( array $prefixes_to_root_dirs ) {
foreach ( $prefixes_to_root_dirs as $prefix => $root_dir ) {
$this->register_prefix( $prefix, $root_dir );
}
}
/**
* Associates a class prefix to an absolute path.
*
* @param string $prefix A class prefix, e.g. `Tribe__Admin__`
* @param string $root_dir The absolute path to the dir containing
* the prefixed classes.
* @param string $slug An optional unique slug to associate to the prefix.
*/
public function register_prefix( $prefix, $root_dir, $slug = '' ) {
$root_dir = $this->normalize_root_dir( $root_dir );
// Determine if we need to normalize the $prefix.
$is_namespaced = false !== strpos( $prefix, '\\' );
if ( $is_namespaced ) {
// If the prefix is a namespace, then normalize it.
$prefix = trim( $prefix, '\\' ) . '\\';
}
if ( ! isset( $this->prefixes[ $prefix ] ) ) {
$this->prefixes[ $prefix ] = [];
}
$this->prefixes[ $prefix ][] = $root_dir;
// Let's make sure we're not adding duplicates.
$this->prefixes[ $prefix ] = array_unique( $this->prefixes[ $prefix ] );
if ( $slug ) {
$this->prefix_slugs[ $slug ] = $prefix;
}
}
/**
* Triggers the registration of the autoload method in the SPL
* autoload register.
*/
public function register_autoloader() {
spl_autoload_register( [ $this, 'autoload' ] );
}
/**
* Includes the file defining a class.
*
* This is the function that's registered as an autoloader.
*
* @param string $class
*/
public function autoload( $class ) {
$include_path = $this->get_class_path( $class );
if ( ! empty( $include_path ) ) {
include_once( $include_path );
}
}
private function normalize_root_dir( $root_dir ) {
return rtrim( $root_dir, '/' );
}
protected function get_prefixed_path( $class ) {
foreach ( $this->prefixes as $prefix => $dirs ) {
$is_namespaced = false !== strpos( $prefix, '\\' );
if ( strpos( $class, $prefix ) !== 0 ) {
continue;
}
$class_name = str_replace( $prefix, '', $class );
if ( ! $is_namespaced ) {
$class_path_frag = implode( '/', explode( $this->dir_separator, $class_name ) ) . '.php';
} else {
$class_path_frag = implode( '/', explode( '\\', $class_name ) ) . '.php';
}
foreach ( $dirs as $dir ) {
$path = $dir . '/' . $class_path_frag;
if ( ! file_exists( $path ) ) {
// check if the file exists in lowercase
$class_path_frag = strtolower( $class_path_frag );
$path = $dir . '/' . $class_path_frag;
}
if ( ! file_exists( $path ) ) {
continue;
}
return $path;
}
}
return false;
}
protected function get_fallback_path( $class ) {
foreach ( $this->fallback_dirs as $fallback_dir ) {
$include_path = $fallback_dir . '/' . $class . '.php';
if ( ! file_exists( $include_path ) ) {
// check if the file exists in lowercase
$class = strtolower( $class );
$include_path = $fallback_dir . '/' . $class . '.php';
}
if ( ! file_exists( $include_path ) ) {
continue;
}
return $include_path;
}
}
/**
* Gets the absolute path to a class file.
*
* @param string $class The class name
*
* @return string Either the absolute path to the class file or an
* empty string if the file was not found.
*/
public function get_class_path( $class ) {
$prefixed_path = $this->get_prefixed_path( $class );
if ( $prefixed_path ) {
return $prefixed_path;
}
$class_path = ! empty( $this->class_paths[ $class ] ) ? $this->class_paths[ $class ] :false;
if ( $class_path ) {
return $class_path;
}
$fallback_path = $this->get_fallback_path( $class );
return $fallback_path ? $fallback_path : '';
}
/**
* Get the registered prefix by slug
*
* @param string $slug Unique slug for registered prefix.
*
* @return false|string Either the prefix registered to the
* unique slug or false if not found.
*/
public function get_prefix_by_slug( $slug ) {
$prefix = false;
if ( isset( $this->prefix_slugs[ $slug ] ) ) {
$prefix = $this->prefix_slugs[ $slug ];
}
return $prefix;
}
/**
* Adds a folder to search for classes that were not found among
* the prefixed ones.
*
* This is the method to use to register a directory of deprecated
* classes.
*
* @param string $dir An absolute path dto a dir.
*/
public function add_fallback_dir( $dir ) {
if ( in_array( $dir, $this->fallback_dirs ) ) {
return;
}
$this->fallback_dirs[] = $this->normalize_root_dir( $dir );
}
/**
* @return string
*/
public function get_dir_separator() {
return $this->dir_separator;
}
/**
* @param string $dir_separator
*/
public function set_dir_separator( $dir_separator ) {
$this->dir_separator = $dir_separator;
}
public function register_class( $class, $path ) {
$this->class_paths[ $class ] = $path;
}
}
}