101 lines
2.4 KiB
PHP
101 lines
2.4 KiB
PHP
<?php /* Copyright (c) 2024 Freya Murphy */
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class Loader {
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// keep track of what has been loaded
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private $loaded;
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function __construct() {
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$this->loaded = array();
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}
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/**
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* Loads a $type of object from a $dir with a given $name
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* @param string $name - the name of the object to load
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* @param string $dir - the directory theese objects are stored in
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* @param string $type - the type of the object
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*/
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private function load_type($name, $dir, $type): object|NULL {
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$path = $dir . '/' . $name . '.php';
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if (array_key_exists($path, $this->loaded)) {
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return $this->loaded[$path];
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}
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if (!file_exists($path)) {
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return NULL;
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}
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$parts = explode('/', $name);
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$part = end($parts);
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$class = ucfirst($part) . '_' . $type;
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require($path);
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$ref = NULL;
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try {
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$ref = new ReflectionClass($class);
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} catch (Exception $_e) {}
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if ($ref === NULL) {
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return NULL;
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}
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$obj = $ref->newInstance($this);
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$this->loaded[$path] = $obj;
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return $obj;
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}
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/**
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* Loads a model
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* @param string $name - the name of the model to load
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*/
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public function model($name): object|NULL {
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$root = $GLOBALS['webroot'];
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$dir = $root . '/_model';
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return $this->load_type($name, $dir, 'model');
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}
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/**
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* Loads a controller
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* @param string $name - the name of the controller to load
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*/
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public function controller($name): Controller|NULL {
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$root = $GLOBALS['webroot'];
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$dir = $root . '/_controller';
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return $this->load_type($name, $dir, 'controller');
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}
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/**
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* Loads the given common lang
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* @param string $lang_code 0 the language code
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*/
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public function lang($lang_code): void {
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$dir = $GLOBALS['webroot'] . '/lang/' . $lang_code . '/';
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$lang = $GLOBALS['lang'];
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if ($handle = opendir($dir)) {
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while (false !== ($entry = readdir($handle))) {
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if ($entry === '.' || $entry === '..' || $entry === 'apps') {
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continue;
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}
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$path = $dir . $entry;
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require($path);
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}
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}
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$GLOBALS['lang'] = $lang;
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}
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/**
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* Loads a given app specific lang
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* @param string $lang_code - the language code
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* @param string $name - the name of the app
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*/
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public function app_lang($lang_code, $name): void {
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$dir = $GLOBALS['webroot'] . '/lang/' . $lang_code . '/apps/';
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$file = $dir . $name . '.php';
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if (file_exists($file)) {
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$lang = $GLOBALS['lang'];
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require($dir . $name . '.php');
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$GLOBALS['lang'] = $lang;
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}
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}
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}
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