1
0
mirror of https://github.com/danog/PHP-Parser.git synced 2024-12-12 17:37:21 +01:00
PHP-Parser/lib/PhpParser/Node/Scalar/LNumber.php
Nikita Popov ae30f97af6 Add "kind" attribute to LNumbers
Kind specifies whether the number was formatted as decimal, octal,
binary or hex. The pretty printer reproduces the number kind (but
not necessarily the exact formatting).
2016-03-09 21:10:55 +01:00

68 lines
1.6 KiB
PHP

<?php
namespace PhpParser\Node\Scalar;
use PhpParser\Node\Scalar;
class LNumber extends Scalar
{
/* For use in "kind" attribute */
const KIND_BIN = 2;
const KIND_OCT = 8;
const KIND_DEC = 10;
const KIND_HEX = 16;
/** @var int Number value */
public $value;
/**
* Constructs an integer number scalar node.
*
* @param int $value Value of the number
* @param array $attributes Additional attributes
*/
public function __construct($value, array $attributes = array()) {
parent::__construct($attributes);
$this->value = $value;
}
public function getSubNodeNames() {
return array('value');
}
/**
* @internal
*
* Parses an LNUMBER token (dec, hex, oct and bin notations) like PHP would.
*
* @param string $str A string number
*
* @return int The parsed number
*/
public static function parse($str) {
// handle plain 0 specially
if ('0' === $str) {
return 0;
}
// if first char is 0 (and number isn't 0) it's a special syntax
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 (intval instead of octdec to get proper cutting behavior with malformed numbers)
return intval($str, 8);
}
// dec
return (int) $str;
}
}