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<?php |
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declare(strict_types=1); |
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namespace Yiisoft\Composer\Config\Util; |
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use Yiisoft\Composer\Config\Builder; |
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use Yiisoft\Composer\Config\Exception\CircularDependencyException; |
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/** |
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* Resolver class. |
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* Reorders files according to their cross dependencies |
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* and resolves `$name` paths. |
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*/ |
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class Resolver |
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{ |
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private array $dependenciesOrder = []; |
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private array $dependencies = []; |
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private array $following = []; |
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private array $files; |
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public function __construct(array $files) |
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{ |
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$this->files = $files; |
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$this->collectDependencies($files); |
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foreach (array_keys($files) as $name) { |
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$this->followDependencies($name); |
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} |
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} |
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public function get(): array |
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{ |
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$result = []; |
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foreach ($this->dependenciesOrder as $name) { |
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$result[$name] = $this->resolveDependencies($this->files[$name]); |
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} |
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return $result; |
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} |
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private function resolveDependencies(array $paths): array |
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{ |
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foreach ($paths as &$path) { |
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if ($this->isDependency($path)) { |
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$dependency = $this->parseDependencyName($path); |
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$path = Builder::path($dependency); |
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} |
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} |
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return $paths; |
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} |
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private function followDependencies(string $name): void |
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{ |
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if (array_key_exists($name, $this->dependenciesOrder)) { |
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return; |
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} |
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if (array_key_exists($name, $this->following)) { |
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throw new CircularDependencyException($name . ' ' . implode(',', $this->following)); |
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} |
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$this->following[$name] = $name; |
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if (array_key_exists($name, $this->dependencies)) { |
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foreach ($this->dependencies[$name] as $dependency) { |
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$this->followDependencies($dependency); |
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} |
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} |
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$this->dependenciesOrder[$name] = $name; |
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unset($this->following[$name]); |
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} |
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private function collectDependencies(array $files): void |
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{ |
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foreach ($files as $name => $paths) { |
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foreach ($paths as $path) { |
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if ($this->isDependency($path)) { |
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$dependencyName = $this->parseDependencyName($path); |
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if (!array_key_exists($name, $this->dependencies)) { |
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$this->dependencies[$name] = []; |
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} |
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$this->dependencies[$name][$dependencyName] = $dependencyName; |
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} |
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} |
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} |
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} |
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private function isDependency(string $path): bool |
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{ |
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return 0 === strncmp($path, '$', 1); |
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} |
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private function parseDependencyName(string $path): string |
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{ |
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return substr($path, 1); |
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} |
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} |
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yiisoft /
composer-config-plugin
