98 lines
2.2 KiB
PHP
98 lines
2.2 KiB
PHP
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<?php
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namespace Sphere\Debloat;
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/**
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* Autoloader for loading classes off defined namespaces or a class map.
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*
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* @author asadkn
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* @since 1.0.0
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*/
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class Autoloader
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{
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public $class_map;
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public $namespaces = [];
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public function __construct($namespaces = null, $prepend = false)
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{
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if (is_array($namespaces)) {
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$this->namespaces = $namespaces;
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}
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spl_autoload_register(array($this, 'load'), true, $prepend);
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}
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/**
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* Autoloader the class either using a class map or via conversion of
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* class name to file.
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*
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* @param string $class
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*/
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public function load($class)
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{
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if (isset($this->class_map[$class])) {
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$file = $this->class_map[$class];
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}
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else {
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foreach ($this->namespaces as $namespace => $dir) {
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if (strpos($class, $namespace) !== false) {
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$file = $this->get_file_path($class, $namespace, $dir);
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break;
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}
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}
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}
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if (!empty($file)) {
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require_once $file;
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}
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}
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/**
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* Get file path to include.
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*
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* Examples:
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*
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* Bunyad_Theme_Foo_Bar to inc/foo/bar/bar.php (fallback to inc/foo/bar.php)
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* Bunyad\Blocks\FooBar to blocks/foo-bar/foo-bar.php (fallback to inc/foo-bar.php)
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*
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* @return string Relative path to the file from the theme dir
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*/
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public function get_file_path($class, $prefix = '', $path = '')
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{
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// Remove namespace and convert underscore as a namespace delim.
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$class = str_replace($prefix, '', $class);
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$class = str_replace('_', '\\', $class);
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// Split to convert CamelCase.
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$parts = explode('\\', $class);
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foreach ($parts as $key => $part) {
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$test = substr($part, 1);
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// Convert CamelCase to Camel-Case
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if (strtolower($test) !== $test) {
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$part = preg_replace('/(.)(?=[A-Z])/u', '$1-', $part);
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}
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$parts[$key] = $part;
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}
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$name = strtolower(array_pop($parts));
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$path = $path . '/' . strtolower(
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implode('/', $parts)
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);
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$path = trailingslashit($path);
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// Preferred and fallback file path.
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$pref_file = $path . "{$name}/{$name}.php";
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$alt_file = $path . "{$name}.php";
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// Try with directory path pattern first.
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if (file_exists($pref_file)) {
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return $pref_file;
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}
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else if (file_exists($alt_file)) {
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return $alt_file;
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}
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}
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}
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