BinaryProtocolValues::decode() - Code Metrics - Inspection of "Implement & close #15" - PlasmaPHP/driver-mysql - Measure and Improve Code Quality continuously with Scrutinizer

Failed Conditions

Push — master ( 456c33...bd3e5d )

by Charlotte

created 2019-02-25 21:15 UTC

BinaryProtocolValues::decode() C

↳ Parent: BinaryProtocolValues

Complexity

Conditions	16
Paths	15

Size

Total Lines	66
Code Lines	54

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	48
CRAP Score	16.052

Importance

Changes

Metric	Value
cc	16
eloc	54
nc	15
nop	2
dl	0
loc	66
ccs	48
cts	51
cp	0.9412
crap	16.052
rs	5.5666
c	0
b	0
f	0

How to fix Long Method Complexity

<?php
/**
 * Plasma Driver MySQL component
 * Copyright 2018-2019 PlasmaPHP, All Rights Reserved
 *
 * Website: https://github.com/PlasmaPHP
 * License: https://github.com/PlasmaPHP/driver-mysql/blob/master/LICENSE
*/

namespace Plasma\Drivers\MySQL;

/**
 * Binary protocol rowset values decoder and encoder.
 * @internal
 */
class BinaryProtocolValues {
    /**
     * Standard encode value, if type extensions failed.
     * @param mixed  $param
     * @return array
     * @throws \Plasma\Exception
     */
    static function encode($param): array {
        $unsigned = false;
        
        switch(\gettype($param)) {
            case 'boolean':
                $type = \Plasma\Drivers\MySQL\FieldFlags::FIELD_TYPE_TINY;
                $value = ($param ? "\x01" : "\0");
            break;
            case 'integer':
                if($param >= 0) {
                    $unsigned = true;
                }
                
                if($param >= 0 && $param < (1 << 15)) {
                    $type = \Plasma\Drivers\MySQL\FieldFlags::FIELD_TYPE_SHORT;
                    $value = \Plasma\BinaryBuffer::writeInt2($param);
                } elseif(\PHP_INT_SIZE === 4) {
                    $type = \Plasma\Drivers\MySQL\FieldFlags::FIELD_TYPE_LONG;
                    $value = \Plasma\BinaryBuffer::writeInt4($param);
                } else {
                    $type = \Plasma\Drivers\MySQL\FieldFlags::FIELD_TYPE_LONGLONG;
                    $value = \Plasma\BinaryBuffer::writeInt8($param);
                }
            break;
            case 'double':
                $type = \Plasma\Drivers\MySQL\FieldFlags::FIELD_TYPE_DOUBLE;
                $value = \Plasma\BinaryBuffer::writeDouble($param);
            break;
            case 'string':
                $type = \Plasma\Drivers\MySQL\FieldFlags::FIELD_TYPE_LONG_BLOB;
                $value = \Plasma\BinaryBuffer::writeStringLength($param);
            break;
            case 'NULL':
                $type = \Plasma\Drivers\MySQL\FieldFlags::FIELD_TYPE_NULL;
                $value = '';
            break;
            default:
                throw new \Plasma\Exception('Unexpected type for binding parameter: '.\gettype($param));
            break;
        }
        
        return array($unsigned, $type, $value);
    }
    
    /**
     * Standard decode value, if type extensions failed.
     * @param \Plasma\ColumnDefinitionInterface  $column
     * @param \Plasma\BinaryBuffer               $buffer
     * @return mixed
     * @throws \Plasma\Exception
     */
    static function decode(\Plasma\ColumnDefinitionInterface $column, \Plasma\BinaryBuffer $buffer) {
        $flags = $column->getFlags();
        $type = $column->getType();
        
        switch(true) {
            case static::isTypeString($type):
                $value = $buffer->readStringLength();
            break;
            case ($type === 'TINY'):
                $value = $buffer->readInt1();
                $value = static::zeroFillInts($column, $value);
            break;
            case static::isTypeShortOrYear($type):
                $value = $buffer->readInt2();
                $value = static::zeroFillInts($column, $value);
            break;
            case static::isTypeInt24orLong($type):
                $value = $buffer->readInt4();
                
                if($column->isUnsigned() && \PHP_INT_SIZE <= 4) {

                    $value = \bcadd($value, '18446744073709551616');
                }
                
                $value = static::zeroFillInts($column, $value);
            break;
            case ($type === 'LONGLONG'):
                $value = $buffer->readInt8();
                
                if($column->isUnsigned()) {

                    $value = \bcadd($value, '18446744073709551616');
                } elseif(\PHP_INT_SIZE > 4) {
                    $value = (int) $value;
                }
                
                $value = static::zeroFillInts($column, $value);
            break;
            case ($type === 'FLOAT'):
                $value = $buffer->readFloat();
            break;
            case ($type === 'DOUBLE'):
                $value = $buffer->readDouble();
            break;
            case static::isTypeDate($type):
                $length = $buffer->readIntLength();
                if($length > 0) {
                    $year = $buffer->readInt2();
                    $month = $buffer->readInt1();
                    $day = $buffer->readInt1();
                    
                    $value = \sprintf('%04d-%02d-%02d', $year, $month, $day);
                } else {
                    $value = '0000-00-00';
                }
            break;
            case static::isTypeDateTime($type):
                $value = static::parseDateTime($type, $buffer);
            break;
            case ($type === 'TIME'):
                $value = static::parseTime($buffer);
            break;
            default:
                throw new \InvalidArgumentException('Unknown column type (flags: '.$flags.', type: '.$type.')');
            break;
        }
        
        return $value;
    }
    
    /**
     * @param string  $type
     * @return bool
     */
    static function isTypeString(string $type): bool {
        $types = array(
            'STRING', 'VARCHAR', 'VARSTRING', 'ENUM', 'SET', 'LONGBLOB',
            'MEDIUMBLOB', 'BLOB', 'TINYBLOB', 'GEMOTERY', 'BIT', 'DECIMAL',
            'NEWDECIMAL', 'JSON'
        );
        
        return \in_array($type, $types, true);
    }
    
    /**
     * @param string  $type
     * @return bool
     */
    static function isTypeShortOrYear(string $type): bool {
        $types = array('SHORT', 'YEAR');
        return \in_array($type, $types, true);
    }
    
    /**
     * @param string  $type
     * @return bool
     */
    static function isTypeInt24orLong(string $type): bool {
        $types = array('INT24', 'LONG');
        return \in_array($type, $types, true);
    }
    
    /**
     * @param string  $type
     * @return bool
     */
    static function isTypeDate(string $type): bool {
        $types = array('DATE', 'NEWDATE');
        return \in_array($type, $types, true);
    }
    
    /**
     * @param string  $type
     * @return bool
     */
    static function isTypeDateTime(string $type): bool {
        $types = array('DATETIME', 'TIMESTAMP');
        return \in_array($type, $types, true);
    }
    
    /**
     * Parses a DATETIME or TIMESTAMP value.
     * @param string                $type
     * @param \Plasma\BinaryBuffer  $buffer
     * @return mixed
     */
    static function parseDateTime(string $type, \Plasma\BinaryBuffer $buffer) {
        $length = $buffer->readIntLength();
        if($length > 0) {
            $year = $buffer->readInt2();
            $month = $buffer->readInt1();
            $day = $buffer->readInt1();
            
            if($length > 4) {
                $hour = $buffer->readInt1();
                $min = $buffer->readInt1();
                $sec = $buffer->readInt1();
            } else {
                $hour = 0;
                $min = 0;
                $sec = 0;
            }
            
            if($length > 7) {
                $microI = $buffer->readInt4();
            } else {
                $microI = 0;
            }
            
            $micro = \str_pad($microI, 6, '0', \STR_PAD_LEFT);
            $micro = \substr($micro, 0, 3).' '.\substr($micro, 3);
            
            $value = \sprintf('%04d-%02d-%02d %02d:%02d:%02d'.($microI > 0 ? '.%s' : ''), $year, $month, $day, $hour, $min, $sec, $micro);
            
            if($type === 'TIMESTAMP') {
                $value = \DateTime::createFromFormat('Y-m-d H:i:s'.($microI > 0 ? '.u' : ''), $value)->getTimestamp();
            }
        } else {
            $value = '0000-00-00 00:00:00.000 000';
        }
        
        return $value;
    }
    
    /**
     * Parses a TIME value.
     * @param \Plasma\BinaryBuffer  $buffer
     * @return mixed
     */
    static function parseTime(\Plasma\BinaryBuffer $buffer) {
        $length = $buffer->readIntLength();
        if($length > 1) {
            $sign = $buffer->readInt1();
            $days = $buffer->readInt4();
            
            if($sign === 1) {
                $days *= -1;
            }
            
            $hour = $buffer->readInt1();
            $min = $buffer->readInt1();
            $sec = $buffer->readInt1();
            
            if($length > 8) {
                $microI = $buffer->readInt4();
            } else {
                $microI = 0;
            }
            
            $micro = \str_pad($microI, 6, '0', \STR_PAD_LEFT);
            $micro = \substr($micro, 0, 3).' '.\substr($micro, 3);
            
            $value = \sprintf('%dd %02d:%02d:%02d'.($microI > 0 ? '.%s' : ''), $days, $hour, $min, $sec, $micro);
        } else {
            $value = '0d 00:00:00';
        }
        
        return $value;
    }
    
    /**
     * @param \Plasma\ColumnDefinitionInterface  $column
     * @param string|int                         $value
     * @return string|int
     */
    static function zeroFillInts(\Plasma\ColumnDefinitionInterface $column, $value) {
        if($column->isZerofilled()) {
            $value = \str_pad(((string) $value), $column->getLength(), '0', \STR_PAD_LEFT);
        }
        
        return $value;
    }
}


1		<?php
2		/**
3		* Plasma Driver MySQL component
4		* Copyright 2018-2019 PlasmaPHP, All Rights Reserved
5		*
6		* Website: https://github.com/PlasmaPHP
7		* License: https://github.com/PlasmaPHP/driver-mysql/blob/master/LICENSE
8		*/
9
10		namespace Plasma\Drivers\MySQL;
11
12		/**
13		* Binary protocol rowset values decoder and encoder.
14		* @internal
15		*/
16		class BinaryProtocolValues {
17		/**
18		* Standard encode value, if type extensions failed.
19		* @param mixed $param
20		* @return array
21		* @throws \Plasma\Exception
22		*/
23	36	static function encode($param): array {
24	36	$unsigned = false;
25
26	36	switch(\gettype($param)) {
27	36	case 'boolean':
28	1	$type = \Plasma\Drivers\MySQL\FieldFlags::FIELD_TYPE_TINY;
29	1	$value = ($param ? "\x01" : "\0");
30	1	break;
31	36	case 'integer':
32	7	if($param >= 0) {
33	7	$unsigned = true;
34		}
35
36	7	if($param >= 0 && $param < (1 << 15)) {
37	7	$type = \Plasma\Drivers\MySQL\FieldFlags::FIELD_TYPE_SHORT;
38	7	$value = \Plasma\BinaryBuffer::writeInt2($param);
39	3	} elseif(\PHP_INT_SIZE === 4) {
40		$type = \Plasma\Drivers\MySQL\FieldFlags::FIELD_TYPE_LONG;
41		$value = \Plasma\BinaryBuffer::writeInt4($param);
42		} else {
43	3	$type = \Plasma\Drivers\MySQL\FieldFlags::FIELD_TYPE_LONGLONG;
44	3	$value = \Plasma\BinaryBuffer::writeInt8($param);
45		}
46	7	break;
47	29	case 'double':
48	2	$type = \Plasma\Drivers\MySQL\FieldFlags::FIELD_TYPE_DOUBLE;
49	2	$value = \Plasma\BinaryBuffer::writeDouble($param);
50	2	break;
51	27	case 'string':
52	26	$type = \Plasma\Drivers\MySQL\FieldFlags::FIELD_TYPE_LONG_BLOB;
53	26	$value = \Plasma\BinaryBuffer::writeStringLength($param);
54	26	break;
55	2	case 'NULL':
56	1	$type = \Plasma\Drivers\MySQL\FieldFlags::FIELD_TYPE_NULL;
57	1	$value = '';
58	1	break;
59		default:
60	1	throw new \Plasma\Exception('Unexpected type for binding parameter: '.\gettype($param));
61		break;
62		}
63
64	35	return array($unsigned, $type, $value);
65		}
66
67		/**
68		* Standard decode value, if type extensions failed.
69		* @param \Plasma\ColumnDefinitionInterface $column
70		* @param \Plasma\BinaryBuffer $buffer
71		* @return mixed
72		* @throws \Plasma\Exception
73		*/
74	35	static function decode(\Plasma\ColumnDefinitionInterface $column, \Plasma\BinaryBuffer $buffer) {
75	35	$flags = $column->getFlags();
76	35	$type = $column->getType();
77
78		switch(true) {
79	35	case static::isTypeString($type):
80	18	$value = $buffer->readStringLength();
81	18	break;
82	17	case ($type === 'TINY'):
83	7	$value = $buffer->readInt1();
84	7	$value = static::zeroFillInts($column, $value);
85	7	break;
86	17	case static::isTypeShortOrYear($type):
87	7	$value = $buffer->readInt2();
88	7	$value = static::zeroFillInts($column, $value);
89	7	break;
90	17	case static::isTypeInt24orLong($type):
91	7	$value = $buffer->readInt4();
92
93	7	if($column->isUnsigned() && \PHP_INT_SIZE <= 4) {
		1 ignored issue – show Coding Style introduced 2019-02-25 21:24 UTC by Report Bug Copy Issue Report Line indented incorrectly; expected 12 spaces, found 16 Loading history...
94		$value = \bcadd($value, '18446744073709551616');
95		}
96
97	7	$value = static::zeroFillInts($column, $value);
98	7	break;
99	17	case ($type === 'LONGLONG'):
100	7	$value = $buffer->readInt8();
101
102	7	if($column->isUnsigned()) {
		1 ignored issue – show Coding Style introduced 2019-02-25 21:24 UTC by Report Bug Copy Issue Report Line indented incorrectly; expected 12 spaces, found 16 Loading history...
103		$value = \bcadd($value, '18446744073709551616');
104	7	} elseif(\PHP_INT_SIZE > 4) {
105	7	$value = (int) $value;
106		}
107
108	7	$value = static::zeroFillInts($column, $value);
109	7	break;
110	10	case ($type === 'FLOAT'):
111	2	$value = $buffer->readFloat();
112	2	break;
113	10	case ($type === 'DOUBLE'):
114	2	$value = $buffer->readDouble();
115	2	break;
116	8	case static::isTypeDate($type):
117	8	$length = $buffer->readIntLength();
118	8	if($length > 0) {
119	1	$year = $buffer->readInt2();
120	1	$month = $buffer->readInt1();
121	1	$day = $buffer->readInt1();
122
123	1	$value = \sprintf('%04d-%02d-%02d', $year, $month, $day);
124		} else {
125	7	$value = '0000-00-00';
126		}
127	8	break;
128	8	case static::isTypeDateTime($type):
129	8	$value = static::parseDateTime($type, $buffer);
130	8	break;
131	8	case ($type === 'TIME'):
132	8	$value = static::parseTime($buffer);
133	8	break;
134		default:
135		throw new \InvalidArgumentException('Unknown column type (flags: '.$flags.', type: '.$type.')');
136		break;
137		}
138
139	35	return $value;
140		}
141
142		/**
143		* @param string $type
144		* @return bool
145		*/
146	35	static function isTypeString(string $type): bool {
147		$types = array(
148	35	'STRING', 'VARCHAR', 'VARSTRING', 'ENUM', 'SET', 'LONGBLOB',
149		'MEDIUMBLOB', 'BLOB', 'TINYBLOB', 'GEMOTERY', 'BIT', 'DECIMAL',
150		'NEWDECIMAL', 'JSON'
151		);
152
153	35	return \in_array($type, $types, true);
154		}
155
156		/**
157		* @param string $type
158		* @return bool
159		*/
160	17	static function isTypeShortOrYear(string $type): bool {
161	17	$types = array('SHORT', 'YEAR');
162	17	return \in_array($type, $types, true);
163		}
164
165		/**
166		* @param string $type
167		* @return bool
168		*/
169	17	static function isTypeInt24orLong(string $type): bool {
170	17	$types = array('INT24', 'LONG');
171	17	return \in_array($type, $types, true);
172		}
173
174		/**
175		* @param string $type
176		* @return bool
177		*/
178	8	static function isTypeDate(string $type): bool {
179	8	$types = array('DATE', 'NEWDATE');
180	8	return \in_array($type, $types, true);
181		}
182
183		/**
184		* @param string $type
185		* @return bool
186		*/
187	8	static function isTypeDateTime(string $type): bool {
188	8	$types = array('DATETIME', 'TIMESTAMP');
189	8	return \in_array($type, $types, true);
190		}
191
192		/**
193		* Parses a DATETIME or TIMESTAMP value.
194		* @param string $type
195		* @param \Plasma\BinaryBuffer $buffer
196		* @return mixed
197		*/
198	8	static function parseDateTime(string $type, \Plasma\BinaryBuffer $buffer) {
199	8	$length = $buffer->readIntLength();
200	8	if($length > 0) {
201	2	$year = $buffer->readInt2();
202	2	$month = $buffer->readInt1();
203	2	$day = $buffer->readInt1();
204
205	2	if($length > 4) {
206	1	$hour = $buffer->readInt1();
207	1	$min = $buffer->readInt1();
208	1	$sec = $buffer->readInt1();
209		} else {
210	1	$hour = 0;
211	1	$min = 0;
212	1	$sec = 0;
213		}
214
215	2	if($length > 7) {
216		$microI = $buffer->readInt4();
217		} else {
218	2	$microI = 0;
219		}
220
221	2	$micro = \str_pad($microI, 6, '0', \STR_PAD_LEFT);
222	2	$micro = \substr($micro, 0, 3).' '.\substr($micro, 3);
223
224	2	$value = \sprintf('%04d-%02d-%02d %02d:%02d:%02d'.($microI > 0 ? '.%s' : ''), $year, $month, $day, $hour, $min, $sec, $micro);
225
226	2	if($type === 'TIMESTAMP') {
227	2	$value = \DateTime::createFromFormat('Y-m-d H:i:s'.($microI > 0 ? '.u' : ''), $value)->getTimestamp();
228		}
229		} else {
230	8	$value = '0000-00-00 00:00:00.000 000';
231		}
232
233	8	return $value;
234		}
235
236		/**
237		* Parses a TIME value.
238		* @param \Plasma\BinaryBuffer $buffer
239		* @return mixed
240		*/
241	8	static function parseTime(\Plasma\BinaryBuffer $buffer) {
242	8	$length = $buffer->readIntLength();
243	8	if($length > 1) {
244	1	$sign = $buffer->readInt1();
245	1	$days = $buffer->readInt4();
246
247	1	if($sign === 1) {
248		$days *= -1;
249		}
250
251	1	$hour = $buffer->readInt1();
252	1	$min = $buffer->readInt1();
253	1	$sec = $buffer->readInt1();
254
255	1	if($length > 8) {
256		$microI = $buffer->readInt4();
257		} else {
258	1	$microI = 0;
259		}
260
261	1	$micro = \str_pad($microI, 6, '0', \STR_PAD_LEFT);
262	1	$micro = \substr($micro, 0, 3).' '.\substr($micro, 3);
263
264	1	$value = \sprintf('%dd %02d:%02d:%02d'.($microI > 0 ? '.%s' : ''), $days, $hour, $min, $sec, $micro);
265		} else {
266	7	$value = '0d 00:00:00';
267		}
268
269	8	return $value;
270		}
271
272		/**
273		* @param \Plasma\ColumnDefinitionInterface $column
274		* @param string\|int $value
275		* @return string\|int
276		*/
277	7	static function zeroFillInts(\Plasma\ColumnDefinitionInterface $column, $value) {
278	7	if($column->isZerofilled()) {
279	7	$value = \str_pad(((string) $value), $column->getLength(), '0', \STR_PAD_LEFT);
280		}
281
282	7	return $value;
283		}
284		}
285

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Push — master ( 456c33...bd3e5d )

BinaryProtocolValues::decode() C

Complexity

Size

Duplication

Code Coverage

Importance

How to fix Long Method Complexity

Long Method

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