Initial Drupal 11 with DDEV setup
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								vendor/mck89/peast/lib/Peast/Syntax/Node/NumericLiteral.php
									
									
									
									
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										191
									
								
								vendor/mck89/peast/lib/Peast/Syntax/Node/NumericLiteral.php
									
									
									
									
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<?php
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/**
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 * This file is part of the Peast package
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 *
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 * (c) Marco Marchiò <marco.mm89@gmail.com>
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 *
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 * For the full copyright and license information refer to the LICENSE file
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 * distributed with this source code
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 */
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namespace Peast\Syntax\Node;
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/**
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 * A node that represents a numeric literal.
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 * 
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 * @author Marco Marchiò <marco.mm89@gmail.com>
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 */
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class NumericLiteral extends Literal
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{
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    /**
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     * Map of node properties
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     * 
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     * @var array 
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     */
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    protected $propertiesMap = array(
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        "format" => false
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    );
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    //Format constants
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    /**
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     * Decimal number format
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     */
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    const DECIMAL = "decimal";
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    /**
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     * Hexadecimal number format
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     */
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    const HEXADECIMAL = "hexadecimal";
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    /**
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     * Octal number format
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     */
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    const OCTAL = "octal";
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    /**
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     * Binary number format
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     */
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    const BINARY = "binary";
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    /**
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     * Node's numeric format
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     * 
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     * @var string
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     */
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    protected $format = self::DECIMAL;
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    /**
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     * Numeric forms conversion rules
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     * 
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     * @var array
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     */
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    protected $forms = array(
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        "b" => array(
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            "check" => "/^0b[01]+[01_]*$/i",
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            "conv" => "bindec",
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            "format" => self::BINARY
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        ),
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        "o" => array(
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            "check" => "/^0o[0-7]+[0-7_]*$/i",
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            "conv" => "octdec",
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            "format" => self::OCTAL
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        ),
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        "x" => array(
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            "check" => "/^0x[0-9a-f]+[0-9a-f_]*$/i",
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            "conv" => "hexdec",
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            "format" => self::HEXADECIMAL
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        ),
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    );
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    /**
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     * Sets node's value
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     * 
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     * @param float $value Value
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     * 
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     * @return $this
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     */
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    public function setValue($value)
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    {
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        $value = (float) $value;
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        $intValue = (int) $value;
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        if ($value == $intValue) {
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            $value = $intValue;
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        }
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        $this->value = $value;
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        //Force recalculation of the raw value
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        return $this->setFormat($this->format);
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    }
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    /**
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     * Sets node's raw value
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     * 
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     * @param mixed $raw Raw value
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     * 
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     * @return $this
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     * 
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     * @throws \Exception
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     */
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    public function setRaw($raw)
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    {
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        $value = $raw;
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        $format = self::DECIMAL;
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        if (is_string($value) && $value !== "") {
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            //Hexadecimal, binary or octal
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            $startZero = $value[0] === "0";
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            $form = $startZero && isset($value[1]) ? strtolower($value[1]) : null;
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            //Numeric separator cannot appear at the beginning or at the end of the number
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            if (preg_match("/^_|_$/", $value)) {
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                throw new \Exception("Invalid numeric value");
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            } elseif (isset($this->forms[$form])) {
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                $formDef = $this->forms[$form];
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                if (!preg_match($formDef["check"], $value)) {
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                    throw new \Exception("Invalid " . $formDef["format"]);
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                }
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                $value = str_replace("_", "", $value);
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                $value = $formDef["conv"]($value);
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                $format = $formDef["format"];
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            } elseif ($startZero && preg_match("/^0[0-7_]+$/", $value)) {
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                //Legacy octal form
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                $value = str_replace("_", "", $value);
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                $value = octdec($value);
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                $format = self::OCTAL;
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            } elseif (
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                preg_match("/^([\d_]*\.?[\d_]*)(?:e[+\-]?[\d_]+)?$/i", $value, $match) &&
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                $match[1] !== "" &&
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                $match[1] !== "." &&
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                !preg_match("/_e|e[+-]?_|_$/", $value)
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            ) {
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                $value = str_replace("_", "", $value);
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            } else {
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                throw new \Exception("Invalid numeric value");
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            }
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        } elseif (!is_int($value) && !is_float($value)) {
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            throw new \Exception("Invalid numeric value");
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        }
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        $value = (float) $value;
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        $intValue = (int) $value;
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        if ($value == $intValue) {
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            $value = $intValue;
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        }
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        $this->format = $format;
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        $this->value = $value;
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        $this->raw = $raw;
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        return $this;
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    }
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    /**
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     * Returns node's numeric format
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     * 
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     * @return string
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     */
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    public function getFormat()
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    {
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        return $this->format;
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    }
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    /**
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     * Sets node's numeric format
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     * 
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     * @param string $format Format, one of the format constants
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     * 
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     * @return $this
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     */
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    public function setFormat($format)
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    {
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        $this->format = $format;
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        switch ($format) {
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            case self::BINARY:
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                $this->raw = "0b" . decbin($this->value);
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            break;
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            case self::OCTAL:
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                $this->raw = "0o" . decoct($this->value);
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            break;
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            case self::HEXADECIMAL:
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                $this->raw = "0x" . dechex($this->value);
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            break;
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            default:
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                $this->raw = (string) $this->value;
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            break;
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        }
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        return $this;
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    }
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}
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