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<?php |
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namespace Riimu\Kit\PHPEncoder\Encoder; |
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/** |
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* Encoder for integer values. |
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* @author Riikka Kalliomäki <[email protected]> |
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* @copyright Copyright (c) 2014-2017 Riikka Kalliomäki |
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* @license http://opensource.org/licenses/mit-license.php MIT License |
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*/ |
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class IntegerEncoder implements Encoder |
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{ |
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/** @var array Default values for options in the encoder */ |
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private static $defaultOptions = [ |
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'integer.type' => 'decimal', |
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]; |
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/** @var \Closure[] Encoders for different types of integers */ |
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private $encoders; |
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/** |
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* IntegerEncoder constructor. |
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*/ |
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public function __construct() |
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{ |
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$this->encoders = [ |
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'binary' => function ($value) { |
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return $this->encodeBinary($value); |
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}, |
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'octal' => function ($value) { |
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return $this->encodeOctal($value); |
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}, |
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'decimal' => function ($value, $options) { |
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return $this->encodeDecimal($value, $options); |
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}, |
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'hexadecimal' => function ($value, $options) { |
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return $this->encodeHexadecimal($value, $options); |
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}, |
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]; |
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} |
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public function getDefaultOptions() |
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{ |
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return self::$defaultOptions; |
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} |
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public function supports($value) |
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{ |
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return is_int($value); |
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} |
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public function encode($value, $depth, array $options, callable $encode) |
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{ |
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if (!isset($this->encoders[$options['integer.type']])) { |
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throw new \InvalidArgumentException('Invalid integer encoding type'); |
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} |
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$callback = $this->encoders[$options['integer.type']]; |
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return $callback((int) $value, $options); |
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} |
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/** |
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* Encodes an integer into binary representation. |
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* @param int $integer The integer to encode |
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* @return string The PHP code representation for the integer |
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*/ |
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public function encodeBinary($integer) |
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{ |
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return sprintf('%s0b%b', $this->sign($integer), abs($integer)); |
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} |
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/** |
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* Encodes an integer into octal representation. |
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* @param int $integer The integer to encode |
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* @return string The PHP code representation for the integer |
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*/ |
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public function encodeOctal($integer) |
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{ |
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return sprintf('%s0%o', $this->sign($integer), abs($integer)); |
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} |
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/** |
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* Encodes an integer into decimal representation. |
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* @param int $integer The integer to encode |
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* @param array $options The integer encoding options |
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* @return string The PHP code representation for the integer |
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*/ |
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public function encodeDecimal($integer, $options) |
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{ |
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if ($integer === 1 << (PHP_INT_SIZE * 8 - 1)) { |
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return sprintf('(int)%s%d', $options['whitespace'] ? ' ' : '', $integer); |
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} |
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return var_export($integer, true); |
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} |
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/** |
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* Encodes an integer into hexadecimal representation. |
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* @param int $integer The integer to encode |
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* @param array $options The integer encoding options |
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* @return string The PHP code representation for the integer |
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*/ |
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public function encodeHexadecimal($integer, $options) |
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{ |
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if ($options['hex.capitalize']) { |
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return sprintf('%s0x%X', $this->sign($integer), abs($integer)); |
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} |
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return sprintf('%s0x%x', $this->sign($integer), abs($integer)); |
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} |
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/** |
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* Returns the negative sign for negative numbers. |
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* @param int $integer The number to test for negativity |
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* @return string The minus sign for negative numbers and empty string for positive numbers |
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*/ |
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private function sign($integer) |
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{ |
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if ($integer < 0) { |
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return '-'; |
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} |
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return ''; |
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} |
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} |
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Riimu /
Kit-PHPEncoder
Our type inference engine has found an assignment to a property that is incompatible with the declared type of that property.
Either this assignment is in error or the assigned type should be added to the documentation/type hint for that property..