68 lines
1.6 KiB
PHP
68 lines
1.6 KiB
PHP
<?php
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/**
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* SPL autoloader for PRC_-prefixed classes.
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*
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* What: Maps PRC_ class names to kebab-case filenames under includes/.
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* Who calls it: Required once in the bootstrap file (peptide-reconstitution-calculator.php).
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* Dependencies: None.
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*
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* @see class-pr-core-autoloader.php in Peptide Repo Core — same pattern.
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*/
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declare(strict_types=1);
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/**
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* Autoloads PRC_ classes from includes/ and its immediate subdirectories.
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*/
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class PRC_Autoloader {
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/**
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* Register the autoloader with SPL.
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*
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* @return void
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*/
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public static function register(): void {
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spl_autoload_register( array( __CLASS__, 'autoload' ) );
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}
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/**
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* Autoload callback — resolve PRC_ class name to file path.
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*
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* Strips PRC_ prefix, converts underscores to hyphens, lowercases,
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* prepends "class-prc-", and searches includes/ + subdirs.
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*
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* @param string $class_name Fully qualified class name.
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* @return void
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*/
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public static function autoload( string $class_name ): void {
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if ( 0 !== strpos( $class_name, 'PRC_' ) ) {
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return;
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}
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$relative = substr( $class_name, 4 ); // Strip "PRC_".
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$filename = 'class-prc-' . str_replace( '_', '-', strtolower( $relative ) ) . '.php';
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$base = PRC_PLUGIN_DIR . 'includes/';
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// Check includes/ root first.
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if ( file_exists( $base . $filename ) ) {
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require_once $base . $filename;
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return;
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}
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// Check immediate subdirectories.
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$dirs = glob( $base . '*', GLOB_ONLYDIR );
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if ( ! is_array( $dirs ) ) {
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return;
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}
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foreach ( $dirs as $dir ) {
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$path = $dir . '/' . $filename;
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if ( file_exists( $path ) ) {
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require_once $path;
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return;
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}
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}
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}
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}
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