ParametersPattern::withArgument() - Code Metrics - Inspection of "changelog" - funivan/PhpTokenizer - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( 1bff1a...f9631c )

by Shcherbak

created 2016-07-18 12:39 UTC

ParametersPattern::withArgument() A

↳ Parent: ParametersPattern

Complexity

Conditions	2
Paths	2

Size

Total Lines	9
Code Lines	6

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	7
CRAP Score	2

Importance

Changes	2
Bugs	0	Features	2

Metric	Value
dl	0
loc	9
ccs	7
cts	7
cp	1
rs	9.6666
c	2
b	0
f	2
cc	2
eloc	6
nc	2
nop	2
crap	2

<?php

  namespace Funivan\PhpTokenizer\Pattern\Patterns;

  use Funivan\PhpTokenizer\Collection;
  use Funivan\PhpTokenizer\QuerySequence\QuerySequence;
  use Funivan\PhpTokenizer\Strategy\Section;
  use Funivan\PhpTokenizer\Token;

  /**
   *
   */
  class ParametersPattern implements PatternInterface {

    /**
     * @var array
     */
    private $argumentCheck = [];

    /**
     * @var int|null
     */
    private $outputArgument = null;

    /**
     * @var bool|null
     */
    private $outputPreparedArgument = null;


    /**
     *
     */
    public function __construct() {
      $this->outputFull();
    }


    /**
     * @param QuerySequence $querySequence
     * @return Collection|null
     * @throws \Exception
     */
    public function __invoke(QuerySequence $querySequence) {
      $section = $querySequence->section('(', ')');
      if ($section->count() === 0) {
        return null;
      }

      $section->slice(1, -1);

      if (empty($this->argumentCheck) and $this->outputArgument === null) {
        return $section;
      }


      /** @var Collection[] $arguments */
      $arguments = $this->getArguments($section);

      foreach ($this->argumentCheck as $index => $check) {

        $argumentTokens = isset($arguments[$index]) ? $arguments[$index] : new Collection();
        $result = $check($argumentTokens);

        if (!is_bool($result)) {
          throw new \Exception('Argument check function should return boolean');
        }

        if ($result === false) {
          return null;
        }
      }

      if ($this->outputArgument !== null) {
        $argumentCollection = !empty($arguments[$this->outputArgument]) ? $arguments[$this->outputArgument] : null;

        # Do not remove T_WHITESPACE tokens from the argument output
        if ($this->outputPreparedArgument === false) {
          return $argumentCollection;
        }

        // trim first and last whitespace token
        $first = $argumentCollection->getFirst();
        $last = $argumentCollection->getLast();

        $from = 0;
        $to = null;
        if ($first !== null and $first->getType() == T_WHITESPACE) {
          $from = 1;
        }
        if ($last and $last->getType() == T_WHITESPACE) {
          $to = -1;
        }

        return $argumentCollection->extractItems($from, $to);
      }

      # output full
      return $section;
    }


    /**
     * @param int $int
     * @param callable $check
     * @return $this
     */
    public function withArgument($int, callable $check = null) {
      if ($check === null) {
        $check = function (Collection $argumentTokens) {
          return $argumentTokens->count() !== 0;
        };
      }
      $this->argumentCheck[$int] = $check;
      return $this;
    }


    /**
     * @param int $int
     * @return $this
     */
    public function withoutArgument($int) {
      $check = function (Collection $argumentTokens) {
        return $argumentTokens->count() === 0;
      };

      $this->argumentCheck[$int] = $check;
      return $this;
    }


    /**
     * @param Collection $section
     * @return Collection[]
     */
    protected function getArguments(Collection $section) {
      /** @var Token $skipToToken */
      $skipToToken = null;
      $argumentIndex = 1;
      $arguments = [];
      $tokensNum = ($section->count() - 1);
      for ($tokenIndex = 0; $tokenIndex <= $tokensNum; $tokenIndex++) {

        $token = $section->offsetGet($tokenIndex);

        if ($token === null) {
          return null;
        }

        if ($skipToToken === null or $token->getIndex() >= $skipToToken->getIndex()) {
          if ($token->getValue() === ',') {
            $argumentIndex++;
            continue;
          }
          $skipToToken = $this->getEndArray($token, $section, $tokenIndex);
        }


        if (!isset($arguments[$argumentIndex])) {
          $arguments[$argumentIndex] = new Collection();
        }
        $arguments[$argumentIndex][] = $token;
      }

      return $arguments;
    }


    /**
     * @param Token $token
     * @param Collection $section
     * @param $index
     * @return Token
     */
    private function getEndArray(Token $token, Collection $section, $index) {
      # check if we have array start

      if ($token->getValue() === '[') {
        $result = (new Section())->setDelimiters('[', ']')->process($section, $index);
        return $result->getToken();
      }

      if ($token->getValue() === '(') {
        $result = (new Section())->setDelimiters('(', ')')->process($section, $index);
        return $result->getToken();
      }

      return null;
    }


    /**
     * @return $this
     */
    public function outputFull() {
      $this->outputArgument = null;
      $this->outputPreparedArgument = null;
      return $this;
    }


    /**
     * @param int $int
     * @param bool $prepared
     * @return $this
     */
    public function outputArgument($int, $prepared = true) {
      $this->outputArgument = $int;
      $this->outputPreparedArgument = $prepared;
      return $this;
    }

  }

1		<?php
2
3		namespace Funivan\PhpTokenizer\Pattern\Patterns;
4
5		use Funivan\PhpTokenizer\Collection;
6		use Funivan\PhpTokenizer\QuerySequence\QuerySequence;
7		use Funivan\PhpTokenizer\Strategy\Section;
8		use Funivan\PhpTokenizer\Token;
9
10		/**
11		*
12		*/
13		class ParametersPattern implements PatternInterface {
14
15		/**
16		* @var array
17		*/
18		private $argumentCheck = [];
19
20		/**
21		* @var int\|null
22		*/
23		private $outputArgument = null;
24
25		/**
26		* @var bool\|null
27		*/
28		private $outputPreparedArgument = null;
29
30
31		/**
32		*
33		*/
34	51	public function __construct() {
35	51	$this->outputFull();
36	51	}
37
38
39		/**
40		* @param QuerySequence $querySequence
41		* @return Collection\|null
42		* @throws \Exception
43		*/
44	51	public function __invoke(QuerySequence $querySequence) {
45	51	$section = $querySequence->section('(', ')');
46	51	if ($section->count() === 0) {
47	45	return null;
48		}
49
50	51	$section->slice(1, -1);
51
52	51	if (empty($this->argumentCheck) and $this->outputArgument === null) {
53	15	return $section;
54		}
55
56
57		/** @var Collection[] $arguments */
58	48	$arguments = $this->getArguments($section);
59
60	48	foreach ($this->argumentCheck as $index => $check) {
61
62	36	$argumentTokens = isset($arguments[$index]) ? $arguments[$index] : new Collection();
63	36	$result = $check($argumentTokens);
64
65	36	if (!is_bool($result)) {
66	3	throw new \Exception('Argument check function should return boolean');
67		}
68
69	33	if ($result === false) {
70	25	return null;
71		}
72	28	}
73
74	42	if ($this->outputArgument !== null) {
75	24	$argumentCollection = !empty($arguments[$this->outputArgument]) ? $arguments[$this->outputArgument] : null;
76
77		# Do not remove T_WHITESPACE tokens from the argument output
78	24	if ($this->outputPreparedArgument === false) {
79	12	return $argumentCollection;
80		}
81
82		// trim first and last whitespace token
83	24	$first = $argumentCollection->getFirst();
84	24	$last = $argumentCollection->getLast();
85
86	24	$from = 0;
87	24	$to = null;
88	24	if ($first !== null and $first->getType() == T_WHITESPACE) {
89	15	$from = 1;
90	10	}
91	24	if ($last and $last->getType() == T_WHITESPACE) {
92	12	$to = -1;
93	8	}
94
95	24	return $argumentCollection->extractItems($from, $to);
96		}
97
98		# output full
99	18	return $section;
100		}
101
102
103		/**
104		* @param int $int
105		* @param callable $check
106		* @return $this
107		*/
108	36	public function withArgument($int, callable $check = null) {
109	36	if ($check === null) {
110		$check = function (Collection $argumentTokens) {
111	30	return $argumentTokens->count() !== 0;
112	30	};
113	20	}
114	36	$this->argumentCheck[$int] = $check;
115	36	return $this;
116		}
117
118
119		/**
120		* @param int $int
121		* @return $this
122		*/
123		public function withoutArgument($int) {
124	3	$check = function (Collection $argumentTokens) {
125	3	return $argumentTokens->count() === 0;
126	3	};
127
128	3	$this->argumentCheck[$int] = $check;
129	3	return $this;
130		}
131
132
133		/**
134		* @param Collection $section
135		* @return Collection[]
136		*/
137	48	protected function getArguments(Collection $section) {
138		/** @var Token $skipToToken */
139	48	$skipToToken = null;
140	48	$argumentIndex = 1;
141	48	$arguments = [];
142	48	$tokensNum = ($section->count() - 1);
143	48	for ($tokenIndex = 0; $tokenIndex <= $tokensNum; $tokenIndex++) {
144
145	48	$token = $section->offsetGet($tokenIndex);
146
147	48	if ($token === null) {
148		return null;
149		}
150
151	48	if ($skipToToken === null or $token->getIndex() >= $skipToToken->getIndex()) {
152	48	if ($token->getValue() === ',') {
153	48	$argumentIndex++;
154	48	continue;
155		}
156	48	$skipToToken = $this->getEndArray($token, $section, $tokenIndex);
157	32	}
158
159
160	48	if (!isset($arguments[$argumentIndex])) {
161	48	$arguments[$argumentIndex] = new Collection();
162	32	}
163	48	$arguments[$argumentIndex][] = $token;
164	32	}
165
166	48	return $arguments;
167		}
168
169
170		/**
171		* @param Token $token
172		* @param Collection $section
173		* @param $index
174		* @return Token
175		*/
176	48	private function getEndArray(Token $token, Collection $section, $index) {
177		# check if we have array start
178
179	48	if ($token->getValue() === '[') {
180	21	$result = (new Section())->setDelimiters('[', ']')->process($section, $index);
181	21	return $result->getToken();
182		}
183
184	48	if ($token->getValue() === '(') {
185	6	$result = (new Section())->setDelimiters('(', ')')->process($section, $index);
186	6	return $result->getToken();
187		}
188
189	48	return null;
190		}
191
192
193		/**
194		* @return $this
195		*/
196	51	public function outputFull() {
197	51	$this->outputArgument = null;
198	51	$this->outputPreparedArgument = null;
199	51	return $this;
200		}
201
202
203		/**
204		* @param int $int
205		* @param bool $prepared
206		* @return $this
207		*/
208	27	public function outputArgument($int, $prepared = true) {
209	27	$this->outputArgument = $int;
210	27	$this->outputPreparedArgument = $prepared;
211	27	return $this;
212		}
213
214		}

funivan / PhpTokenizer

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ParametersPattern::withArgument() A

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