Parser::getUseStatements() - Code Metrics - Inspection of "refactoring" - alevikzs/reflection - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( d11bf8...9def24 )

by Alexey

created 2017-03-16 20:39 UTC

Parser::getUseStatements() A

↳ Parent: Parser

Complexity

Conditions	3
Paths	3

Size

Total Lines	11
Code Lines	7

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	6
CRAP Score	3

Importance

Changes

Metric	Value
dl	0
loc	11
ccs	6
cts	6
cp	1
rs	9.4285
c	0
b	0
f	0
cc	3
eloc	7
nc	3
nop	0
crap	3

<?php

declare(strict_types = 1);

namespace Reflection\ClassUseStatements;

/**
 * Class Parser
 * @package Reflection
 */
class Parser {

    /**
     * @const string
     */
    const USE_STATEMENT_TYPE = 'use';

    /**
     * @const string
     */
    const ALIAS_STATEMENT_TYPE = 'alias';

    /**
     * @var string
     */
    private $usesBlock;

    /**
     * @var UseStatements
     */
    private $useStatements;

    /**
     * @var boolean
     */
    private $isUseStatementBuilding = false;

    /**
     * @var string
     */
    private $useStatement = '';

    /**
     * @var string
     */
    private $committedUseStatement = '';

    /**
     * @var string
     */
    private $aliasStatement = '';

    /**
     * @var string
     */
    private $statementType = '';

    /**
     * @var bool
     */
    private $isBrace = false;

    /**
     * Parser constructor.
     * @param string $usesBlock
     */
    public function __construct(string $usesBlock) {
        $this->useStatements = new UseStatements();

        $this->setUsesBlock($usesBlock);
    }

    /**
     * @return string
     */
    public function getUsesBlock(): string {
        return $this->usesBlock;
    }

    /**
     * @param string $usesBlock
     * @return Parser
     */
    public function setUsesBlock(string $usesBlock): Parser {
        $this->usesBlock = $usesBlock;

        return $this;
    }

    /**
     * @param UseStatement $useStatement
     * @return Parser
     */
    private function addUseStatement(UseStatement $useStatement): Parser {
        $this->useStatements->add($useStatement);

        return $this;
    }

    /**
     * @return boolean
     */
    private function isUseStatementBuilding(): bool {
        return $this->isUseStatementBuilding;
    }

    /**
     * @return Parser
     */
    private function setUseStatementIsBuilding(): Parser {
        $this->isUseStatementBuilding = true;
        
        return $this;
    }

    /**
     * @return Parser
     */
    private function setUseStatementIsNotBuilding(): Parser {
        $this->isUseStatementBuilding = false;

        return $this;
    }

    /**
     * @return string
     */
    private function getUseStatement(): string {
        if ($this->isBrace()) {
            return $this->getCommittedUseStatement() . $this->useStatement;
        }

        return $this->useStatement;
    }

    /**
     * @param string $statement
     * @return Parser
     */
    private function setUseStatement(string $statement): Parser {
        $this->useStatement .= $statement;
        
        return $this;
    }

    /**
     * @return Parser
     */
    private function clearUseStatement(): Parser {
        $this->useStatement = '';

        return $this;
    }

    /**
     * @return string
     */
    private function getCommittedUseStatement(): string {
        return $this->committedUseStatement;
    }

    /**
     * @return Parser
     */
    private function commitUseStatement(): Parser {
        $this->committedUseStatement = $this->useStatement;

        return $this;
    }

    /**
     * @return string
     */
    private function getAliasStatement(): string {
        return $this->aliasStatement;
    }

    /**
     * @param string $statement
     * @return Parser
     */
    private function setAliasStatement(string $statement): Parser {
        $this->aliasStatement = $statement;
        
        return $this;
    }

    /**
     * @return string
     */
    private function getStatementType(): string {
        return $this->statementType;
    }

    /**
     * @param string $statementType
     * @return Parser
     */
    private function setStatementType(string $statementType): Parser {
        $this->statementType = $statementType;
        
        return $this;
    }

    /**
     * @return Parser
     */
    private function setIsBrace(): Parser {
        $this->isBrace = true;

        return $this->commitUseStatement()
            ->clearUseStatement();
    }

    /**
     * @return Parser
     */
    private function setIsNotBrace(): Parser {
        $this->isBrace = false;
        $this->committedUseStatement = '';

        return $this;
    }

    /**
     * @return bool
     */
    private function isBrace(): bool {
        return $this->isBrace;
    }
    
    /**
     * @return UseStatements
     */
    public function getUseStatements(): UseStatements {
        foreach ($this->getTokens() as $token) {
            if (is_array($token)) {
                $this->analyzeStatementToken($token);
            } else {
                $this->analyzeDelimiterToken($token);
            }
        }

        return $this->useStatements;
    }
    
    /**
     * @return array
     */
    private function getTokens(): array {
        return token_get_all($this->getUsesBlock());
    }

    /**
     * @uses \Reflection\ClassUseStatements\Parser::setUseStatement()
     * @uses \Reflection\ClassUseStatements\Parser::setAliasStatement()
     * @param string $value
     * @return Parser
     */
    private function setStatement(string $value): Parser {
        $type = $this->getStatementType();

        $setter = 'set' . ucfirst($type) . 'Statement';

        return $this->$setter($value);
    }

    /**
     * @return Parser
     */
    private function clearStatements(): Parser {
        return $this->clearUseStatement()
            ->setAliasStatement('');
    }

    /**
     * @param string $token
     * @return Parser
     */
    private function analyzeDelimiterToken(string $token): Parser {
        if (($token === ';' || $token === ',') && $this->isUseStatementBuilding()) {
            $this->addUseStatement(new UseStatement(
                $this->getUseStatement(),
                $this->getAliasStatement()
            ));

            $this->clearStatements();

            switch ($token) {
                case ';':
                    $this->setUseStatementIsNotBuilding();

                    break;
                case ',':
                    $this->setStatementType(self::USE_STATEMENT_TYPE);

                    break;
            }
        }

        return $this->updateBraceState($token);
    }

    /**
     * @param array $token
     * @return Parser
     */
    private function analyzeStatementToken(array $token): Parser {
        switch ($token[0]) {
            case T_USE:
                $this->setUseStatementIsBuilding()
                    ->setStatementType(self::USE_STATEMENT_TYPE);

                break;
            case T_AS:
                $this->setStatementType(self::ALIAS_STATEMENT_TYPE);

                break;
            default:
                if ($this->isUseStatementBuilding() && $this->getStatementType()) {
                    switch ($token[0]) {
                        case T_NS_SEPARATOR:
                        case T_STRING:
                            $this->setStatement($token[1]);

                            break;
                    }
                }
        }

        return $this;
    }

    /**
     * @param string $token
     * @return Parser
     */
    private function updateBraceState(string $token): Parser {
        switch ($token) {
            case '{':
                $this->setIsBrace();

                break;
            case ';':
                $this->setIsNotBrace();

                break;
        }

        return $this;
    }
    
}

1		<?php
2
3		declare(strict_types = 1);
4
5		namespace Reflection\ClassUseStatements;
6
7		/**
8		* Class Parser
9		* @package Reflection
10		*/
11		class Parser {
12
13		/**
14		* @const string
15		*/
16		const USE_STATEMENT_TYPE = 'use';
17
18		/**
19		* @const string
20		*/
21		const ALIAS_STATEMENT_TYPE = 'alias';
22
23		/**
24		* @var string
25		*/
26		private $usesBlock;
27
28		/**
29		* @var UseStatements
30		*/
31		private $useStatements;
32
33		/**
34		* @var boolean
35		*/
36		private $isUseStatementBuilding = false;
37
38		/**
39		* @var string
40		*/
41		private $useStatement = '';
42
43		/**
44		* @var string
45		*/
46		private $committedUseStatement = '';
47
48		/**
49		* @var string
50		*/
51		private $aliasStatement = '';
52
53		/**
54		* @var string
55		*/
56		private $statementType = '';
57
58		/**
59		* @var bool
60		*/
61		private $isBrace = false;
62
63		/**
64		* Parser constructor.
65		* @param string $usesBlock
66		*/
67	1	public function __construct(string $usesBlock) {
68	1	$this->useStatements = new UseStatements();
69
70	1	$this->setUsesBlock($usesBlock);
71	1	}
72
73		/**
74		* @return string
75		*/
76	1	public function getUsesBlock(): string {
77	1	return $this->usesBlock;
78		}
79
80		/**
81		* @param string $usesBlock
82		* @return Parser
83		*/
84	1	public function setUsesBlock(string $usesBlock): Parser {
85	1	$this->usesBlock = $usesBlock;
86
87	1	return $this;
88		}
89
90		/**
91		* @param UseStatement $useStatement
92		* @return Parser
93		*/
94	1	private function addUseStatement(UseStatement $useStatement): Parser {
95	1	$this->useStatements->add($useStatement);
96
97	1	return $this;
98		}
99
100		/**
101		* @return boolean
102		*/
103	1	private function isUseStatementBuilding(): bool {
104	1	return $this->isUseStatementBuilding;
105		}
106
107		/**
108		* @return Parser
109		*/
110	1	private function setUseStatementIsBuilding(): Parser {
111	1	$this->isUseStatementBuilding = true;
112
113	1	return $this;
114		}
115
116		/**
117		* @return Parser
118		*/
119	1	private function setUseStatementIsNotBuilding(): Parser {
120	1	$this->isUseStatementBuilding = false;
121
122	1	return $this;
123		}
124
125		/**
126		* @return string
127		*/
128	1	private function getUseStatement(): string {
129	1	if ($this->isBrace()) {
130	1	return $this->getCommittedUseStatement() . $this->useStatement;
131		}
132
133	1	return $this->useStatement;
134		}
135
136		/**
137		* @param string $statement
138		* @return Parser
139		*/
140	1	private function setUseStatement(string $statement): Parser {
141	1	$this->useStatement .= $statement;
142
143	1	return $this;
144		}
145
146		/**
147		* @return Parser
148		*/
149	1	private function clearUseStatement(): Parser {
150	1	$this->useStatement = '';
151
152	1	return $this;
153		}
154
155		/**
156		* @return string
157		*/
158	1	private function getCommittedUseStatement(): string {
159	1	return $this->committedUseStatement;
160		}
161
162		/**
163		* @return Parser
164		*/
165	1	private function commitUseStatement(): Parser {
166	1	$this->committedUseStatement = $this->useStatement;
167
168	1	return $this;
169		}
170
171		/**
172		* @return string
173		*/
174	1	private function getAliasStatement(): string {
175	1	return $this->aliasStatement;
176		}
177
178		/**
179		* @param string $statement
180		* @return Parser
181		*/
182	1	private function setAliasStatement(string $statement): Parser {
183	1	$this->aliasStatement = $statement;
184
185	1	return $this;
186		}
187
188		/**
189		* @return string
190		*/
191	1	private function getStatementType(): string {
192	1	return $this->statementType;
193		}
194
195		/**
196		* @param string $statementType
197		* @return Parser
198		*/
199	1	private function setStatementType(string $statementType): Parser {
200	1	$this->statementType = $statementType;
201
202	1	return $this;
203		}
204
205		/**
206		* @return Parser
207		*/
208	1	private function setIsBrace(): Parser {
209	1	$this->isBrace = true;
210
211	1	return $this->commitUseStatement()
212	1	->clearUseStatement();
213		}
214
215		/**
216		* @return Parser
217		*/
218	1	private function setIsNotBrace(): Parser {
219	1	$this->isBrace = false;
220	1	$this->committedUseStatement = '';
221
222	1	return $this;
223		}
224
225		/**
226		* @return bool
227		*/
228	1	private function isBrace(): bool {
229	1	return $this->isBrace;
230		}
231
232		/**
233		* @return UseStatements
234		*/
235	1	public function getUseStatements(): UseStatements {
236	1	foreach ($this->getTokens() as $token) {
237	1	if (is_array($token)) {
238	1	$this->analyzeStatementToken($token);
239		} else {
240	1	$this->analyzeDelimiterToken($token);
241		}
242		}
243
244	1	return $this->useStatements;
245		}
246
247		/**
248		* @return array
249		*/
250	1	private function getTokens(): array {
251	1	return token_get_all($this->getUsesBlock());
252		}
253
254		/**
255		* @uses \Reflection\ClassUseStatements\Parser::setUseStatement()
256		* @uses \Reflection\ClassUseStatements\Parser::setAliasStatement()
257		* @param string $value
258		* @return Parser
259		*/
260	1	private function setStatement(string $value): Parser {
261	1	$type = $this->getStatementType();
262
263	1	$setter = 'set' . ucfirst($type) . 'Statement';
264
265	1	return $this->$setter($value);
266		}
267
268		/**
269		* @return Parser
270		*/
271	1	private function clearStatements(): Parser {
272	1	return $this->clearUseStatement()
273	1	->setAliasStatement('');
274		}
275
276		/**
277		* @param string $token
278		* @return Parser
279		*/
280	1	private function analyzeDelimiterToken(string $token): Parser {
281	1	if (($token === ';' \|\| $token === ',') && $this->isUseStatementBuilding()) {
282	1	$this->addUseStatement(new UseStatement(
283	1	$this->getUseStatement(),
284	1	$this->getAliasStatement()
285		));
286
287	1	$this->clearStatements();
288
289		switch ($token) {
290	1	case ';':
291	1	$this->setUseStatementIsNotBuilding();
292
293	1	break;
294	1	case ',':
295	1	$this->setStatementType(self::USE_STATEMENT_TYPE);
296
297	1	break;
298		}
299		}
300
301	1	return $this->updateBraceState($token);
302		}
303
304		/**
305		* @param array $token
306		* @return Parser
307		*/
308	1	private function analyzeStatementToken(array $token): Parser {
309	1	switch ($token[0]) {
310	1	case T_USE:
311	1	$this->setUseStatementIsBuilding()
312	1	->setStatementType(self::USE_STATEMENT_TYPE);
313
314	1	break;
315	1	case T_AS:
316	1	$this->setStatementType(self::ALIAS_STATEMENT_TYPE);
317
318	1	break;
319		default:
320	1	if ($this->isUseStatementBuilding() && $this->getStatementType()) {
321	1	switch ($token[0]) {
322	1	case T_NS_SEPARATOR:
323	1	case T_STRING:
324	1	$this->setStatement($token[1]);
325
326	1	break;
327		}
328		}
329		}
330
331	1	return $this;
332		}
333
334		/**
335		* @param string $token
336		* @return Parser
337		*/
338	1	private function updateBraceState(string $token): Parser {
339		switch ($token) {
340	1	case '{':
341	1	$this->setIsBrace();
342
343	1	break;
344	1	case ';':
345	1	$this->setIsNotBrace();
346
347	1	break;
348		}
349
350	1	return $this;
351		}
352
353		}

alevikzs / reflection

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Parser::getUseStatements() A

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