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<?php |
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/** |
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* This file is part of Railt package. |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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declare(strict_types=1); |
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namespace Railt\Compiler; |
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use Railt\Compiler\Grammar\Reader; |
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use Railt\Io\Readable; |
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use Railt\Parser\Driver\Proxy; |
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use Railt\Parser\ParserInterface; |
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use Zend\Code\Generator\ValueGenerator as Value; |
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/** |
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* Class Compiler |
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*/ |
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class Compiler extends Proxy |
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{ |
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/** |
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* @var string|null |
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*/ |
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private $namespace; |
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/** |
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* @var string |
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*/ |
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private $class = 'Parser'; |
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/** |
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* @param Readable $grammar |
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* @return Compiler |
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* @throws \Railt\Io\Exception\ExternalFileException |
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* @throws \Railt\Io\Exception\NotReadableException |
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*/ |
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public static function load(Readable $grammar): self |
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{ |
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$reader = new Reader($grammar); |
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return new static($reader->getParser()); |
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} |
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/** |
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* @param ParserInterface $parser |
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* @return Compiler |
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*/ |
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public static function fromParser(ParserInterface $parser): self |
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{ |
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return new static($parser); |
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} |
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/** |
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* @param string $namespace |
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* @return Compiler |
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*/ |
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public function setNamespace(string $namespace): self |
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{ |
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$this->namespace = $namespace; |
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return $this; |
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} |
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/** |
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* @param string $name |
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* @return Compiler |
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*/ |
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public function setClassName(string $name): self |
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{ |
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$this->class = $name; |
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return $this; |
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} |
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/** |
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* @param string $path |
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* @throws \Throwable |
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*/ |
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public function saveTo(string $path): void |
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{ |
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$pathName = $path . '/' . $this->class . '.php'; |
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if (\is_file($pathName)) { |
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\unlink($pathName); |
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} |
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\file_put_contents($pathName, $this->build()); |
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} |
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/** |
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* @return string |
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* @throws \Throwable |
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*/ |
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public function build(): string |
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{ |
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\ob_start(); |
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try { |
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require __DIR__ . '/../resources/templates/parser.tpl.php'; |
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return \ob_get_contents(); |
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} catch (\Throwable $e) { |
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throw $e; |
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} finally { |
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\ob_end_clean(); |
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} |
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} |
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/** |
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* @param mixed $value |
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* @return string |
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* @throws \Zend\Code\Exception\InvalidArgumentException |
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* @throws \Zend\Code\Generator\Exception\RuntimeException |
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*/ |
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protected function render($value): string |
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{ |
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$generator = new Value($value, Value::TYPE_AUTO, Value::OUTPUT_SINGLE_LINE); |
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return $generator->generate(); |
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} |
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} |
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railt /
compiler
