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92 lines
2.3 KiB
92 lines
2.3 KiB
1 year ago
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<?php declare(strict_types = 0);
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/*
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** Zabbix
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** Copyright (C) 2001-2023 Zabbix SIA
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**
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** This program is free software; you can redistribute it and/or modify
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** it under the terms of the GNU General Public License as published by
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** the Free Software Foundation; either version 2 of the License, or
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** (at your option) any later version.
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**
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** This program is distributed in the hope that it will be useful,
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** but WITHOUT ANY WARRANTY; without even the implied warranty of
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** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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** GNU General Public License for more details.
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**
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** You should have received a copy of the GNU General Public License
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** along with this program; if not, write to the Free Software
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** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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**/
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/**
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* The Zabbix autoloader class.
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*/
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class CAutoloader {
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/**
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* Registered namespace array. Key is namespace name with trailing '\' and value is array of directories
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* relative path with trailing '/'.
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*
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* @var array
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*/
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protected $namespaces = [];
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/**
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* Register supported namespace.
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*
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* @param string $namespace Namespace value without trailing '\'.
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* @param array $paths Array of namespace files directory absolute path without trailing '/'.
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*/
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public function addNamespace(string $namespace, array $paths): void {
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foreach ($paths as $path) {
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$path = realpath($path);
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if ($path) {
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$this->namespaces[$namespace][] = $path.'/';
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}
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}
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}
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/**
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* Add "loadClass" method as an autoload handler.
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*
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* @return bool
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*/
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public function register(): bool {
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return spl_autoload_register([$this, 'loadClass']);
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}
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/**
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* Attempts to find and load the given class.
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*
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* @param string $class_name
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*
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* @return bool
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*/
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protected function loadClass(string $class_name): bool {
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$chunks = explode('\\', $class_name);
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$file_name = array_pop($chunks).'.php';
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do {
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$namespace = implode('\\', $chunks);
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if (array_key_exists($namespace, $this->namespaces)) {
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foreach ($this->namespaces[$namespace] as $dir) {
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if (is_file($dir.$file_name)) {
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require $dir.$file_name;
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return true;
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}
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}
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}
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if ($chunks) {
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$file_name = strtolower(array_pop($chunks)).'/'.$file_name;
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}
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} while ($chunks);
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return false;
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}
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}
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