145 lines
3.0 KiB
PHP
145 lines
3.0 KiB
PHP
<?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;
|
|
}
|
|
}
|