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