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82 lines
2.0 KiB
82 lines
2.0 KiB
<?php if ( ! defined( 'WOODMART_THEME_DIR' ) ) exit( 'No direct script access allowed' );
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/**
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* Object Registry
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*
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*/
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class WOODMART_Registry {
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/**
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* Holds an instance of the class
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*/
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private static $instance;
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/**
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* Short names of some know objects
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*
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* @var array
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*/
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private $knownObjects = array();
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/**
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* Restrict direct initialization, use Registry::getInstance() instead
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*/
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private function __construct() {
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}
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/**
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* Get instance of the object (the singleton method)
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*
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* @return Registry
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*/
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public static function getInstance() {
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if (!isset(self::$instance)) {
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self::$instance = new self;
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}
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return self::$instance;
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}
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/**
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* Dynamically load missing object and assign it to the Registry property
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*
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* @param string $obj Object name (first char will be converted to upper case)
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* @return object
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*/
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function __get($obj) {
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if( !isset( $this->knownObjects[ $obj ] ) ) {
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try {
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$this->_save_object( $obj );
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} catch( Exception $e ) {
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echo esc_html( $e->getTraceAsString() );
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}
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}
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return $this->knownObjects[ $obj ];
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}
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private function _save_object( $obj ) {
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if ( function_exists( 'mb_convert_case' ) ) {
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$objname = 'WOODMART_' . mb_convert_case( $obj, MB_CASE_TITLE, "UTF-8" );
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} else {
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$objname = 'WOODMART_' . ucfirst( $obj );
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}
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if( is_string($obj) && !isset($this->$obj) && class_exists($objname) ) {
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$this->knownObjects[ $obj ] = new $objname;
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}
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}
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/**
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* Prevent users to clone the instance
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*/
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public function __clone() {
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trigger_error('Clone is not allowed.', E_USER_ERROR);
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}
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}
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if( ! function_exists( 'WOODMART_Registry' ) ) {
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function WOODMART_Registry() {
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return WOODMART_Registry::getInstance();
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}
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} |