71 lines
1.7 KiB
PHP
71 lines
1.7 KiB
PHP
<?php
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namespace Doctrine\Common\Reflection;
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use const DIRECTORY_SEPARATOR;
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use function is_file;
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use function str_replace;
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use function strpos;
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use function strrpos;
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use function substr;
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/**
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* Finds a class in a PSR-0 structure.
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*/
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class Psr0FindFile implements ClassFinderInterface
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{
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/**
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* The PSR-0 prefixes.
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*
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* @var string[][]
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*/
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protected $prefixes;
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/**
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* @param string[][] $prefixes An array of prefixes. Each key is a PHP namespace and each value is
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* a list of directories.
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*/
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public function __construct($prefixes)
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{
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$this->prefixes = $prefixes;
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}
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/**
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* {@inheritDoc}
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*/
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public function findFile($class)
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{
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if ($class[0] === '\\') {
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$class = substr($class, 1);
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}
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$lastNsPos = strrpos($class, '\\');
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if ($lastNsPos !== false) {
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// namespaced class name
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$classPath = str_replace('\\', DIRECTORY_SEPARATOR, substr($class, 0, $lastNsPos)) . DIRECTORY_SEPARATOR;
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$className = substr($class, $lastNsPos + 1);
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} else {
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// PEAR-like class name
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$classPath = null;
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$className = $class;
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}
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$classPath .= str_replace('_', DIRECTORY_SEPARATOR, $className) . '.php';
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foreach ($this->prefixes as $prefix => $dirs) {
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if (strpos($class, $prefix) !== 0) {
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continue;
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}
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foreach ($dirs as $dir) {
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if (is_file($dir . DIRECTORY_SEPARATOR . $classPath)) {
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return $dir . DIRECTORY_SEPARATOR . $classPath;
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}
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}
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}
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return null;
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}
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}
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