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- <?php
- /*
- * This file is part of the Symfony package.
- *
- * (c) Fabien Potencier <fabien@symfony.com>
- *
- * For the full copyright and license information, please view the LICENSE
- * file that was distributed with this source code.
- */
- namespace Symfony\Component\ExpressionLanguage;
- use Symfony\Contracts\Service\ResetInterface;
- /**
- * Compiles a node to PHP code.
- *
- * @author Fabien Potencier <fabien@symfony.com>
- */
- class Compiler implements ResetInterface
- {
- private $source;
- private $functions;
- public function __construct(array $functions)
- {
- $this->functions = $functions;
- }
- public function getFunction(string $name)
- {
- return $this->functions[$name];
- }
- /**
- * Gets the current PHP code after compilation.
- *
- * @return string The PHP code
- */
- public function getSource()
- {
- return $this->source;
- }
- public function reset()
- {
- $this->source = '';
- return $this;
- }
- /**
- * Compiles a node.
- *
- * @return $this
- */
- public function compile(Node\Node $node)
- {
- $node->compile($this);
- return $this;
- }
- public function subcompile(Node\Node $node)
- {
- $current = $this->source;
- $this->source = '';
- $node->compile($this);
- $source = $this->source;
- $this->source = $current;
- return $source;
- }
- /**
- * Adds a raw string to the compiled code.
- *
- * @return $this
- */
- public function raw(string $string)
- {
- $this->source .= $string;
- return $this;
- }
- /**
- * Adds a quoted string to the compiled code.
- *
- * @return $this
- */
- public function string(string $value)
- {
- $this->source .= sprintf('"%s"', addcslashes($value, "\0\t\"\$\\"));
- return $this;
- }
- /**
- * Returns a PHP representation of a given value.
- *
- * @param mixed $value The value to convert
- *
- * @return $this
- */
- public function repr($value)
- {
- if (\is_int($value) || \is_float($value)) {
- if (false !== $locale = setlocale(\LC_NUMERIC, 0)) {
- setlocale(\LC_NUMERIC, 'C');
- }
- $this->raw($value);
- if (false !== $locale) {
- setlocale(\LC_NUMERIC, $locale);
- }
- } elseif (null === $value) {
- $this->raw('null');
- } elseif (\is_bool($value)) {
- $this->raw($value ? 'true' : 'false');
- } elseif (\is_array($value)) {
- $this->raw('[');
- $first = true;
- foreach ($value as $key => $value) {
- if (!$first) {
- $this->raw(', ');
- }
- $first = false;
- $this->repr($key);
- $this->raw(' => ');
- $this->repr($value);
- }
- $this->raw(']');
- } else {
- $this->string($value);
- }
- return $this;
- }
- }
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