108 lines
2.8 KiB
PHP
108 lines
2.8 KiB
PHP
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<?php
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declare(strict_types=1);
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namespace Doctrine\Migrations\Finder;
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use Doctrine\Migrations\Finder\Exception\InvalidDirectory;
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use Doctrine\Migrations\Finder\Exception\NameIsReserved;
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use ReflectionClass;
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use function assert;
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use function get_declared_classes;
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use function in_array;
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use function is_dir;
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use function realpath;
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use function strlen;
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use function strncmp;
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/**
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* The Finder class is responsible for for finding migrations on disk at a given path.
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*/
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abstract class Finder implements MigrationFinder
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{
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protected static function requireOnce(string $path): void
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{
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require_once $path;
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}
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/**
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* @throws InvalidDirectory
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*/
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protected function getRealPath(string $directory): string
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{
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$dir = realpath($directory);
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if ($dir === false || ! is_dir($dir)) {
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throw InvalidDirectory::new($directory);
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}
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return $dir;
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}
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/**
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* @param string[] $files
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*
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* @return string[]
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*
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* @throws NameIsReserved
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*/
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protected function loadMigrations(array $files, ?string $namespace): array
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{
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$includedFiles = [];
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foreach ($files as $file) {
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static::requireOnce($file);
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$realFile = realpath($file);
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assert($realFile !== false);
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$includedFiles[] = $realFile;
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}
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$classes = $this->loadMigrationClasses($includedFiles, $namespace);
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$versions = [];
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foreach ($classes as $class) {
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$versions[] = $class->getName();
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}
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return $versions;
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}
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/**
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* Look up all declared classes and find those classes contained
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* in the given `$files` array.
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*
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* @param string[] $files The set of files that were `required`
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* @param string|null $namespace If not null only classes in this namespace will be returned
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*
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* @return ReflectionClass<object>[] the classes in `$files`
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*/
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protected function loadMigrationClasses(array $files, ?string $namespace = null): array
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{
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$classes = [];
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foreach (get_declared_classes() as $class) {
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$reflectionClass = new ReflectionClass($class);
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if (! in_array($reflectionClass->getFileName(), $files, true)) {
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continue;
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}
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if ($namespace !== null && ! $this->isReflectionClassInNamespace($reflectionClass, $namespace)) {
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continue;
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}
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$classes[] = $reflectionClass;
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}
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return $classes;
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}
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/**
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* @param ReflectionClass<object> $reflectionClass
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*/
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private function isReflectionClassInNamespace(ReflectionClass $reflectionClass, string $namespace): bool
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{
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return strncmp($reflectionClass->getName(), $namespace . '\\', strlen($namespace) + 1) === 0;
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}
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}
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