Decimal::binary() - Code Metrics - duoshuo/php-cassandra - Measure and Improve Code Quality continuously with Scrutinizer

Decimal::binary() A
last analyzed 2015-12-16 12:25 UTC

↳ Parent: Decimal

Complexity

Conditions	2
Paths	2

Size

Total Lines	9
Code Lines	8

Duplication

Lines	0
Ratio	0 %

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
c	1
b	0
f	0
dl	0
loc	9
rs	9.6667
cc	2
eloc	8
nc	2
nop	1

<?php
namespace Cassandra\Type;

class Decimal extends Base{

    /**
     * @param string $value
     * @throws Exception
     */
    public function __construct($value = null){
        if (!is_numeric($value))
            throw new Exception('Incoming value must be numeric string.');

        $this->_value = $value;
    }
    
    public static function binary($value){
            $pos = strpos($value, '.');
            $scaleLen = $pos === false ? 0 : strlen($value) - $pos - 1;
            $value *= pow(10, $scaleLen);
            $higher = ($value & 0xffffffff00000000) >> 32;
            $lower = $value & 0x00000000ffffffff;
            $binary = pack('NNN', $scaleLen, $higher, $lower);
        return $binary;
    }
    
    /**
     * @return string
     */
    public static function parse($binary){

        $unpacked = unpack('N1scale/C*', $this->_binary);

        $valueByteLen = $length - 4;

        $value = 0;
        for ($i = 1; $i <= $valueByteLen; ++$i)
            $value |= $unpacked[$i] << (($valueByteLen - $i) * 8);
        $shift = (\PHP_INT_SIZE - $valueByteLen) * 8;
        $value = $value << $shift >> $shift;
        if ($unpacked['scale'] === 0)
            return (string) $value;
        elseif (strlen($value) > $unpacked['scale'])
            return substr($value, 0, -$unpacked['scale']) . '.' . substr($value, -$unpacked['scale']);
        else
            return $value >= 0 ? sprintf("0.%0$unpacked[scale]d", $value) : sprintf("-0.%0$unpacked[scale]d", -$value);
    }
}


1			<?php
2			namespace Cassandra\Type;
3
4			class Decimal extends Base{
5
6			/**
7			* @param string $value
8			* @throws Exception
9			*/
10			public function __construct($value = null){
11			if (!is_numeric($value))
12			throw new Exception('Incoming value must be numeric string.');
13
14			$this->_value = $value;
15			}
16
17			public static function binary($value){
18			$pos = strpos($value, '.');
19			$scaleLen = $pos === false ? 0 : strlen($value) - $pos - 1;
20			$value *= pow(10, $scaleLen);
21			$higher = ($value & 0xffffffff00000000) >> 32;
22			$lower = $value & 0x00000000ffffffff;
23			$binary = pack('NNN', $scaleLen, $higher, $lower);
24			return $binary;
25			}
26
27			/**
28			* @return string
29			*/
30			public static function parse($binary){
			0 ignored issues – show Unused Code introduced 2015-12-04 15:29 UTC by Report Bug Copy Issue Report The parameter `$binary` is not used and could be removed. This check looks from parameters that have been defined for a function or method, but which are not used in the method body. Loading history...
31			$unpacked = unpack('N1scale/C*', $this->_binary);
			0 ignored issues – show Bug introduced 2015-12-04 15:29 UTC by Report Bug Copy Issue Report The variable `$this` does not exist. Did you forget to declare it? This check marks access to variables or properties that have not been declared yet. While PHP has no explicit notion of declaring a variable, accessing it before a value is assigned to it is most likely a bug. Loading history...
32			$valueByteLen = $length - 4;
			0 ignored issues – show Bug introduced 2015-12-04 15:29 UTC by Report Bug Copy Issue Report The variable `$length` does not exist. Did you forget to declare it? This check marks access to variables or properties that have not been declared yet. While PHP has no explicit notion of declaring a variable, accessing it before a value is assigned to it is most likely a bug. Loading history...
33			$value = 0;
34			for ($i = 1; $i <= $valueByteLen; ++$i)
35			$value \|= $unpacked[$i] << (($valueByteLen - $i) * 8);
36			$shift = (\PHP_INT_SIZE - $valueByteLen) * 8;
37			$value = $value << $shift >> $shift;
38			if ($unpacked['scale'] === 0)
39			return (string) $value;
40			elseif (strlen($value) > $unpacked['scale'])
41			return substr($value, 0, -$unpacked['scale']) . '.' . substr($value, -$unpacked['scale']);
42			else
43			return $value >= 0 ? sprintf("0.%0$unpacked[scale]d", $value) : sprintf("-0.%0$unpacked[scale]d", -$value);
44			}
45			}
46

duoshuo / php-cassandra

Decimal::binary() A last analyzed 2015-12-16 12:25 UTC

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Decimal::binary() A
last analyzed 2015-12-16 12:25 UTC