Parser::parse() - Code Metrics - Inspection of "Rules updated" - linna/filter - Measure and Improve Code Quality continuously with Scrutinizer

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Push — master ( fadf79...5a8e38 )

by Sebastian

created 2018-02-02 22:00 UTC

Parser::parse() A

↳ Parent: Parser

Complexity

Conditions	1
Paths	1

Size

Total Lines	9
Code Lines	5

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	6
CRAP Score	1

Importance

Changes

Metric	Value
cc	1
eloc	5
nc	1
nop	2
dl	0
loc	9
ccs	6
cts	6
cp	1
crap	1
rs	9.6666
c	0
b	0
f	0

<?php

/**
 * Linna Filter
 *
 * @author Sebastian Rapetti <[email protected]>
 * @copyright (c) 2018, Sebastian Rapetti
 * @license http://opensource.org/licenses/MIT MIT License
 */
declare(strict_types = 1);

namespace Linna\Filter;

/**
 * Description of Parser
 *
 * @author Sebastian
 */
class Parser
{
    /**
     * @var array Parsing rules.
     */
    private $rules;
    
    /**
     * Parser.
     *
     * @param array $array
     */
    public function parse(array $array, array $rules) : array
    {
        $this->rules = $rules;
        
        $this->extractParams($array);
        $this->applyTypes($array);
        $this->normalizeParam($array);
        
        return $array;
    }
    
    /**
     * Separate keywords from parameters.
     *
     * @param array $words
     */
    private function extractParams(array &$words)
    {
        //intervenire qui per fare in modo che funzioni anche in modalità anonima.
        
        $array = [];
        $actualWord = '';
        $field = $words[0];
        $count = count($words);

        for ($i = 1; $i < $count; $i++) {
            $word = strtolower($words[$i]);

            if (isset($this->rules[$word])) {
                $actualWord = $word;
                $array[$field][$word] = [];
                continue;
            }

            $array[$field][$actualWord][] = $words[$i];
        }
        
        $words = $array;
    }
    
    /**
     * Apply types to rules parameters.
     *
     * @param array $words
     *
     * @throws InvalidArgumentException If unknown keyword is provided.
     */
    private function applyTypes(array &$words)
    {
        $rules = $this->rules;
        $field = key($words);

        foreach ($words[$field] as $key => $word) {
            if (!isset($rules[$key])) {
                throw new InvalidArgumentException("Unknown rule provided ({$field})");

            }
            
            $rule = $rules[$key];
            $keyword = $rule['keyword'];
            
            //first param passed as reference
            $this->castTypes($words[$field][$keyword], $rule['args_type']);
        }
    }
    
    /**
     * Organize rules' array.
     *
     * @param array $words
     */
    private function normalizeParam(array &$words)
    {
        $field = array_keys($words)[0];
        $temp = [];

        foreach ($words[$field] as $key => $word) {
            if (count($word) === 0) {
                $words[$field][$key] = true;
            }

            if (count($word) === 1) {
                $words[$field][$key] = $word[0];
            }

            $temp[] = [$field, $key, $this->rules[$key], $words[$field][$key]];
        }

        $words = $temp;
    }

    /**
     * Apply types when there is one parameter.
     *
     * @param array $params
     * @param array $types
     *
     * @return mixed
     */
    private function castTypes(array &$params, array $types)
    {
        for ($i = 0; $i < count($params); $i++) {
for ($i=0; $i<count($array); $i++) { // calls count() on each iteration
}

// Better
for ($i=0, $c=count($array); $i<$c; $i++) { // calls count() just once
}
            $type = &$types[$i];
            $param = &$params[$i];
            
            if ($type === 'number') {
                settype($param, $this->strtonum($param));
                continue;
            }

            settype($param, $type);
        }
    }

    /**
     * Identify correct number type.
     *
     * @param string $number
     *
     * @return string
     */
    private function strtonum(string $number): string
    {
        if (fmod((float) $number, 1.0) !== 0.0) {
            return 'float';
        }

        return 'integer';
    }
}


1		<?php
2
3		/**
4		* Linna Filter
5		*
6		* @author Sebastian Rapetti <[email protected]>
7		* @copyright (c) 2018, Sebastian Rapetti
8		* @license http://opensource.org/licenses/MIT MIT License
9		*/
10		declare(strict_types = 1);
11
12		namespace Linna\Filter;
13
14		/**
15		* Description of Parser
16		*
17		* @author Sebastian
18		*/
19		class Parser
20		{
21		/**
22		* @var array Parsing rules.
23		*/
24		private $rules;
25
26		/**
27		* Parser.
28		*
29		* @param array $array
30		*/
31	50	public function parse(array $array, array $rules) : array
32		{
33	50	$this->rules = $rules;
34
35	50	$this->extractParams($array);
36	50	$this->applyTypes($array);
37	50	$this->normalizeParam($array);
38
39	50	return $array;
40		}
41
42		/**
43		* Separate keywords from parameters.
44		*
45		* @param array $words
46		*/
47	50	private function extractParams(array &$words)
48		{
49		//intervenire qui per fare in modo che funzioni anche in modalità anonima.
50
51	50	$array = [];
52	50	$actualWord = '';
53	50	$field = $words[0];
54	50	$count = count($words);
55
56	50	for ($i = 1; $i < $count; $i++) {
57	50	$word = strtolower($words[$i]);
58
59	50	if (isset($this->rules[$word])) {
60	50	$actualWord = $word;
61	50	$array[$field][$word] = [];
62	50	continue;
63		}
64
65	33	$array[$field][$actualWord][] = $words[$i];
66		}
67
68	50	$words = $array;
69	50	}
70
71		/**
72		* Apply types to rules parameters.
73		*
74		* @param array $words
75		*
76		* @throws InvalidArgumentException If unknown keyword is provided.
77		*/
78	50	private function applyTypes(array &$words)
79		{
80	50	$rules = $this->rules;
81	50	$field = key($words);
82
83	50	foreach ($words[$field] as $key => $word) {
84	50	if (!isset($rules[$key])) {
85		throw new InvalidArgumentException("Unknown rule provided ({$field})");
		0 ignored issues – show Bug introduced 2018-02-02 22:03 UTC by Report Bug Copy Issue Report The type `Linna\Filter\InvalidArgumentException` was not found. Did you mean `InvalidArgumentException`? If so, make sure to prefix the type with `\`. Loading history...
86		}
87
88	50	$rule = $rules[$key];
89	50	$keyword = $rule['keyword'];
90
91		//first param passed as reference
92	50	$this->castTypes($words[$field][$keyword], $rule['args_type']);
93		}
94	50	}
95
96		/**
97		* Organize rules' array.
98		*
99		* @param array $words
100		*/
101	50	private function normalizeParam(array &$words)
102		{
103	50	$field = array_keys($words)[0];
104	50	$temp = [];
105
106	50	foreach ($words[$field] as $key => $word) {
107	50	if (count($word) === 0) {
108	31	$words[$field][$key] = true;
109		}
110
111	50	if (count($word) === 1) {
112	28	$words[$field][$key] = $word[0];
113		}
114
115	50	$temp[] = [$field, $key, $this->rules[$key], $words[$field][$key]];
116		}
117
118	50	$words = $temp;
119	50	}
120
121		/**
122		* Apply types when there is one parameter.
123		*
124		* @param array $params
125		* @param array $types
126		*
127		* @return mixed
128		*/
129	50	private function castTypes(array &$params, array $types)
130		{
131	50	for ($i = 0; $i < count($params); $i++) {
		0 ignored issues – show Performance Best Practice introduced 2018-02-02 22:03 UTC by Report Bug Copy Issue Report It seems like you are calling the size function `count()` as part of the test condition. You might want to compute the size beforehand, and not on each iteration. If the size of the collection does not change during the iteration, it is generally a good practice to compute it beforehand, and not on each iteration: for ($i=0; $i<count($array); $i++) { // calls count() on each iteration } // Better for ($i=0, $c=count($array); $i<$c; $i++) { // calls count() just once } Loading history...
132	33	$type = &$types[$i];
133	33	$param = &$params[$i];
134
135	33	if ($type === 'number') {
136	30	settype($param, $this->strtonum($param));
137	30	continue;
138		}
139
140	5	settype($param, $type);
141		}
142	50	}
143
144		/**
145		* Identify correct number type.
146		*
147		* @param string $number
148		*
149		* @return string
150		*/
151	30	private function strtonum(string $number): string
152		{
153	30	if (fmod((float) $number, 1.0) !== 0.0) {
154	6	return 'float';
155		}
156
157	24	return 'integer';
158		}
159		}
160

linna / filter

Push — master ( fadf79...5a8e38 )

Parser::parse() A

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