78 lines
2 KiB
PHP
78 lines
2 KiB
PHP
<?php declare(strict_types=1);
|
|
|
|
namespace PhpParser\Node\Scalar;
|
|
|
|
use PhpParser\Node\Scalar;
|
|
|
|
class DNumber extends Scalar
|
|
{
|
|
/** @var float Number value */
|
|
public $value;
|
|
|
|
/**
|
|
* Constructs a float number scalar node.
|
|
*
|
|
* @param float $value Value of the number
|
|
* @param array $attributes Additional attributes
|
|
*/
|
|
public function __construct(float $value, array $attributes = []) {
|
|
$this->attributes = $attributes;
|
|
$this->value = $value;
|
|
}
|
|
|
|
public function getSubNodeNames() : array {
|
|
return ['value'];
|
|
}
|
|
|
|
/**
|
|
* @param mixed[] $attributes
|
|
*/
|
|
public static function fromString(string $str, array $attributes = []): DNumber
|
|
{
|
|
$attributes['rawValue'] = $str;
|
|
$float = self::parse($str);
|
|
|
|
return new DNumber($float, $attributes);
|
|
}
|
|
|
|
/**
|
|
* @internal
|
|
*
|
|
* Parses a DNUMBER token like PHP would.
|
|
*
|
|
* @param string $str A string number
|
|
*
|
|
* @return float The parsed number
|
|
*/
|
|
public static function parse(string $str) : float {
|
|
$str = str_replace('_', '', $str);
|
|
|
|
// Check whether this is one of the special integer notations.
|
|
if ('0' === $str[0]) {
|
|
// hex
|
|
if ('x' === $str[1] || 'X' === $str[1]) {
|
|
return hexdec($str);
|
|
}
|
|
|
|
// bin
|
|
if ('b' === $str[1] || 'B' === $str[1]) {
|
|
return bindec($str);
|
|
}
|
|
|
|
// oct, but only if the string does not contain any of '.eE'.
|
|
if (false === strpbrk($str, '.eE')) {
|
|
// substr($str, 0, strcspn($str, '89')) cuts the string at the first invalid digit
|
|
// (8 or 9) so that only the digits before that are used.
|
|
return octdec(substr($str, 0, strcspn($str, '89')));
|
|
}
|
|
}
|
|
|
|
// dec
|
|
return (float) $str;
|
|
}
|
|
|
|
public function getType() : string {
|
|
return 'Scalar_DNumber';
|
|
}
|
|
}
|