Utf8TokenMatcher::match() - Code Metrics - Inspection of "Partial DFA minimization implemented" - remorhaz/php-unilex - Measure and Improve Code Quality continuously with Scrutinizer

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by Edward

created 2020-04-12 14:31 UTC

Utf8TokenMatcher::match() F

↳ Parent: Utf8TokenMatcher

Complexity

Conditions	60
Paths	70

Size

Total Lines	263
Code Lines	194

Duplication

Lines	0
Ratio	0 %

Importance

Changes	3
Bugs	0	Features	0

Metric	Value
cc	60
eloc	194
nc	70
nop	2
dl	0
loc	263
rs	3.3333
c	3
b	0
f	0

How to fix Long Method Complexity

<?php

/**
 * Unicode UTF-8 token matcher.
 *
 * Auto-generated file, please don't edit manually.
 * Generated by UniLex.
 */

declare(strict_types=1);

namespace Remorhaz\UniLex\Unicode\Grammar;

use Remorhaz\UniLex\IO\CharBufferInterface;
use Remorhaz\UniLex\Lexer\TokenFactoryInterface;
use Remorhaz\UniLex\Lexer\TokenMatcherTemplate;

class Utf8TokenMatcher extends TokenMatcherTemplate
{

    public function match(CharBufferInterface $buffer, TokenFactoryInterface $tokenFactory): bool
    {
        $context = $this->createContext($buffer, $tokenFactory);
        goto state1;

        state1:
        if ($context->getBuffer()->isEnd()) {
            goto error;
        }
        $char = $context->getBuffer()->getSymbol();
        if (0x00 <= $char && $char <= 0x7F) {
            $context->getBuffer()->nextSymbol();
            // [\x00-\x7F]
            $context
                ->setNewToken(TokenType::SYMBOL)
                ->setTokenAttribute(TokenAttribute::UNICODE_CHAR, $char);

            return true;
        }
        if (0xC0 <= $char && $char <= 0xDF) {
            $context->getBuffer()->nextSymbol();
            goto state3;
        }
        if (0xE0 <= $char && $char <= 0xEF) {
            $context->getBuffer()->nextSymbol();
            goto state4;
        }
        if (0xF0 <= $char && $char <= 0xF7) {
            $context->getBuffer()->nextSymbol();
            goto state5;
        }
        if (0xF8 <= $char && $char <= 0xFB) {
            $context->getBuffer()->nextSymbol();
            goto state6;
        }
        if (0xFC == $char || 0xFD == $char) {
            $context->getBuffer()->nextSymbol();
            goto state7;
        }
        goto error;

        state3:
        if ($context->getBuffer()->isEnd()) {
            goto error;
        }
        $char = $context->getBuffer()->getSymbol();
        if (0x80 <= $char && $char <= 0xBF) {
            $context->getBuffer()->nextSymbol();
            // [\xC0-\xDF][\x80-\xBF]
            $charList = array_slice($context->getSymbolList(), -2);
            $symbol = ($charList[0] & 0x1F) << 6;
            $symbol |= ($charList[1] & 0x3F);
            $context
                ->setNewToken(TokenType::SYMBOL)
                ->setTokenAttribute(TokenAttribute::UNICODE_CHAR, $symbol);

            return true;
        }
        goto error;

        state4:
        if ($context->getBuffer()->isEnd()) {
            goto error;
        }
        $char = $context->getBuffer()->getSymbol();
        if (0x80 <= $char && $char <= 0xBF) {
            $context->getBuffer()->nextSymbol();
            goto state20;
        }
        goto error;

        state5:
        if ($context->getBuffer()->isEnd()) {
            goto error;
        }
        $char = $context->getBuffer()->getSymbol();
        if (0x80 <= $char && $char <= 0xBF) {
            $context->getBuffer()->nextSymbol();
            goto state17;
        }
        goto error;

        state6:
        if ($context->getBuffer()->isEnd()) {
            goto error;
        }
        $char = $context->getBuffer()->getSymbol();
        if (0x80 <= $char && $char <= 0xBF) {
            $context->getBuffer()->nextSymbol();
            goto state13;
        }
        goto error;

        state7:
        if ($context->getBuffer()->isEnd()) {
            goto error;
        }
        $char = $context->getBuffer()->getSymbol();
        if (0x80 <= $char && $char <= 0xBF) {
            $context->getBuffer()->nextSymbol();
            goto state8;
        }
        goto error;

        state8:
        if ($context->getBuffer()->isEnd()) {
            goto error;
        }
        $char = $context->getBuffer()->getSymbol();
        if (0x80 <= $char && $char <= 0xBF) {
            $context->getBuffer()->nextSymbol();
            goto state9;
        }
        goto error;

        state9:
        if ($context->getBuffer()->isEnd()) {
            goto error;
        }
        $char = $context->getBuffer()->getSymbol();
        if (0x80 <= $char && $char <= 0xBF) {
            $context->getBuffer()->nextSymbol();
            goto state10;
        }
        goto error;

        state10:
        if ($context->getBuffer()->isEnd()) {
            goto error;
        }
        $char = $context->getBuffer()->getSymbol();
        if (0x80 <= $char && $char <= 0xBF) {
            $context->getBuffer()->nextSymbol();
            goto state11;
        }
        goto error;

        state11:
        if ($context->getBuffer()->isEnd()) {
            goto error;
        }
        $char = $context->getBuffer()->getSymbol();
        if (0x80 <= $char && $char <= 0xBF) {
            $context->getBuffer()->nextSymbol();
            // [\xFC-\xFD][\x80-\xBF]{5}
            $charList = array_slice($context->getSymbolList(), -6);
            $symbol = ($charList[0] & 0x01) << 30;
            $symbol |= ($charList[1] & 0x03) << 24;
            $symbol |= ($charList[2] & 0x3F) << 18;
            $symbol |= ($charList[3] & 0x3F) << 12;
            $symbol |= ($charList[4] & 0x3F) << 6;
            $symbol |= ($charList[5] & 0x3F);
            $context
                ->setNewToken(TokenType::SYMBOL)
                ->setTokenAttribute(TokenAttribute::UNICODE_CHAR, $symbol);

            return true;
        }
        goto error;

        state13:
        if ($context->getBuffer()->isEnd()) {
            goto error;
        }
        $char = $context->getBuffer()->getSymbol();
        if (0x80 <= $char && $char <= 0xBF) {
            $context->getBuffer()->nextSymbol();
            goto state14;
        }
        goto error;

        state14:
        if ($context->getBuffer()->isEnd()) {
            goto error;
        }
        $char = $context->getBuffer()->getSymbol();
        if (0x80 <= $char && $char <= 0xBF) {
            $context->getBuffer()->nextSymbol();
            goto state15;
        }
        goto error;

        state15:
        if ($context->getBuffer()->isEnd()) {
            goto error;
        }
        $char = $context->getBuffer()->getSymbol();
        if (0x80 <= $char && $char <= 0xBF) {
            $context->getBuffer()->nextSymbol();
            // [\xF8-\xFB][\x80-\xBF]{4}
            $charList = array_slice($context->getSymbolList(), -5);
            $symbol = ($charList[0] & 0x03) << 24;
            $symbol |= ($charList[1] & 0x3F) << 18;
            $symbol |= ($charList[2] & 0x3F) << 12;
            $symbol |= ($charList[3] & 0x3F) << 6;
            $symbol |= ($charList[4] & 0x3F);
            $context
                ->setNewToken(TokenType::SYMBOL)
                ->setTokenAttribute(TokenAttribute::UNICODE_CHAR, $symbol);

            return true;
        }
        goto error;

        state17:
        if ($context->getBuffer()->isEnd()) {
            goto error;
        }
        $char = $context->getBuffer()->getSymbol();
        if (0x80 <= $char && $char <= 0xBF) {
            $context->getBuffer()->nextSymbol();
            goto state18;
        }
        goto error;

        state18:
        if ($context->getBuffer()->isEnd()) {
            goto error;
        }
        $char = $context->getBuffer()->getSymbol();
        if (0x80 <= $char && $char <= 0xBF) {
            $context->getBuffer()->nextSymbol();
            // [\xF0-\xF7][\x80-\xBF]{3}
            $charList = array_slice($context->getSymbolList(), -4);
            $symbol = ($charList[0] & 0x07) << 18;
            $symbol |= ($charList[1] & 0x3F) << 12;
            $symbol |= ($charList[2] & 0x3F) << 6;
            $symbol |= ($charList[3] & 0x3F);
            $context
                ->setNewToken(TokenType::SYMBOL)
                ->setTokenAttribute(TokenAttribute::UNICODE_CHAR, $symbol);

            return true;
        }
        goto error;

        state20:
        if ($context->getBuffer()->isEnd()) {
            goto error;
        }
        $char = $context->getBuffer()->getSymbol();
        if (0x80 <= $char && $char <= 0xBF) {
            $context->getBuffer()->nextSymbol();
            // [\xE0-\xEF][\x80-\xBF]{2}
            $charList = array_slice($context->getSymbolList(), -3);
            $symbol = ($charList[0] & 0x0F) << 12;
            $symbol |= ($charList[1] & 0x3F) << 6;
            $symbol |= ($charList[2] & 0x3F);
            $context
                ->setNewToken(TokenType::SYMBOL)
                ->setTokenAttribute(TokenAttribute::UNICODE_CHAR, $symbol);

            return true;
        }
        goto error;

        error:
        if ($context->getBuffer()->isEnd()) {
            return false;
        }
        $context->getBuffer()->nextSymbol();
        $context->setNewToken(TokenType::INVALID_BYTES);
        return true;
    }
}


1			<?php
2
3			/**
4			* Unicode UTF-8 token matcher.
5			*
6			* Auto-generated file, please don't edit manually.
7			* Generated by UniLex.
8			*/
9
10			declare(strict_types=1);
11
12			namespace Remorhaz\UniLex\Unicode\Grammar;
13
14			use Remorhaz\UniLex\IO\CharBufferInterface;
15			use Remorhaz\UniLex\Lexer\TokenFactoryInterface;
16			use Remorhaz\UniLex\Lexer\TokenMatcherTemplate;
17
18			class Utf8TokenMatcher extends TokenMatcherTemplate
19			{
20
21			public function match(CharBufferInterface $buffer, TokenFactoryInterface $tokenFactory): bool
22			{
23			$context = $this->createContext($buffer, $tokenFactory);
24			goto state1;
25
26			state1:
27			if ($context->getBuffer()->isEnd()) {
28			goto error;
29			}
30			$char = $context->getBuffer()->getSymbol();
31			if (0x00 <= $char && $char <= 0x7F) {
32			$context->getBuffer()->nextSymbol();
33			// [\x00-\x7F]
34			$context
35			->setNewToken(TokenType::SYMBOL)
36			->setTokenAttribute(TokenAttribute::UNICODE_CHAR, $char);
37
38			return true;
39			}
40			if (0xC0 <= $char && $char <= 0xDF) {
41			$context->getBuffer()->nextSymbol();
42			goto state3;
43			}
44			if (0xE0 <= $char && $char <= 0xEF) {
45			$context->getBuffer()->nextSymbol();
46			goto state4;
47			}
48			if (0xF0 <= $char && $char <= 0xF7) {
49			$context->getBuffer()->nextSymbol();
50			goto state5;
51			}
52			if (0xF8 <= $char && $char <= 0xFB) {
53			$context->getBuffer()->nextSymbol();
54			goto state6;
55			}
56			if (0xFC == $char \|\| 0xFD == $char) {
57			$context->getBuffer()->nextSymbol();
58			goto state7;
59			}
60			goto error;
61
62			state3:
63			if ($context->getBuffer()->isEnd()) {
64			goto error;
65			}
66			$char = $context->getBuffer()->getSymbol();
67			if (0x80 <= $char && $char <= 0xBF) {
68			$context->getBuffer()->nextSymbol();
69			// [\xC0-\xDF][\x80-\xBF]
70			$charList = array_slice($context->getSymbolList(), -2);
71			$symbol = ($charList[0] & 0x1F) << 6;
72			$symbol \|= ($charList[1] & 0x3F);
73			$context
74			->setNewToken(TokenType::SYMBOL)
75			->setTokenAttribute(TokenAttribute::UNICODE_CHAR, $symbol);
76
77			return true;
78			}
79			goto error;
80
81			state4:
82			if ($context->getBuffer()->isEnd()) {
83			goto error;
84			}
85			$char = $context->getBuffer()->getSymbol();
86			if (0x80 <= $char && $char <= 0xBF) {
87			$context->getBuffer()->nextSymbol();
88			goto state20;
89			}
90			goto error;
91
92			state5:
93			if ($context->getBuffer()->isEnd()) {
94			goto error;
95			}
96			$char = $context->getBuffer()->getSymbol();
97			if (0x80 <= $char && $char <= 0xBF) {
98			$context->getBuffer()->nextSymbol();
99			goto state17;
100			}
101			goto error;
102
103			state6:
104			if ($context->getBuffer()->isEnd()) {
105			goto error;
106			}
107			$char = $context->getBuffer()->getSymbol();
108			if (0x80 <= $char && $char <= 0xBF) {
109			$context->getBuffer()->nextSymbol();
110			goto state13;
111			}
112			goto error;
113
114			state7:
115			if ($context->getBuffer()->isEnd()) {
116			goto error;
117			}
118			$char = $context->getBuffer()->getSymbol();
119			if (0x80 <= $char && $char <= 0xBF) {
120			$context->getBuffer()->nextSymbol();
121			goto state8;
122			}
123			goto error;
124
125			state8:
126			if ($context->getBuffer()->isEnd()) {
127			goto error;
128			}
129			$char = $context->getBuffer()->getSymbol();
130			if (0x80 <= $char && $char <= 0xBF) {
131			$context->getBuffer()->nextSymbol();
132			goto state9;
133			}
134			goto error;
135
136			state9:
137			if ($context->getBuffer()->isEnd()) {
138			goto error;
139			}
140			$char = $context->getBuffer()->getSymbol();
141			if (0x80 <= $char && $char <= 0xBF) {
142			$context->getBuffer()->nextSymbol();
143			goto state10;
144			}
145			goto error;
146
147			state10:
148			if ($context->getBuffer()->isEnd()) {
149			goto error;
150			}
151			$char = $context->getBuffer()->getSymbol();
152			if (0x80 <= $char && $char <= 0xBF) {
153			$context->getBuffer()->nextSymbol();
154			goto state11;
155			}
156			goto error;
157
158			state11:
159			if ($context->getBuffer()->isEnd()) {
160			goto error;
161			}
162			$char = $context->getBuffer()->getSymbol();
163			if (0x80 <= $char && $char <= 0xBF) {
164			$context->getBuffer()->nextSymbol();
165			// [\xFC-\xFD][\x80-\xBF]{5}
166			$charList = array_slice($context->getSymbolList(), -6);
167			$symbol = ($charList[0] & 0x01) << 30;
168			$symbol \|= ($charList[1] & 0x03) << 24;
169			$symbol \|= ($charList[2] & 0x3F) << 18;
170			$symbol \|= ($charList[3] & 0x3F) << 12;
171			$symbol \|= ($charList[4] & 0x3F) << 6;
172			$symbol \|= ($charList[5] & 0x3F);
173			$context
174			->setNewToken(TokenType::SYMBOL)
175			->setTokenAttribute(TokenAttribute::UNICODE_CHAR, $symbol);
176
177			return true;
178			}
179			goto error;
180
181			state13:
182			if ($context->getBuffer()->isEnd()) {
183			goto error;
184			}
185			$char = $context->getBuffer()->getSymbol();
186			if (0x80 <= $char && $char <= 0xBF) {
187			$context->getBuffer()->nextSymbol();
188			goto state14;
189			}
190			goto error;
191
192			state14:
193			if ($context->getBuffer()->isEnd()) {
194			goto error;
195			}
196			$char = $context->getBuffer()->getSymbol();
197			if (0x80 <= $char && $char <= 0xBF) {
198			$context->getBuffer()->nextSymbol();
199			goto state15;
200			}
201			goto error;
202
203			state15:
204			if ($context->getBuffer()->isEnd()) {
205			goto error;
206			}
207			$char = $context->getBuffer()->getSymbol();
208			if (0x80 <= $char && $char <= 0xBF) {
209			$context->getBuffer()->nextSymbol();
210			// [\xF8-\xFB][\x80-\xBF]{4}
211			$charList = array_slice($context->getSymbolList(), -5);
212			$symbol = ($charList[0] & 0x03) << 24;
213			$symbol \|= ($charList[1] & 0x3F) << 18;
214			$symbol \|= ($charList[2] & 0x3F) << 12;
215			$symbol \|= ($charList[3] & 0x3F) << 6;
216			$symbol \|= ($charList[4] & 0x3F);
217			$context
218			->setNewToken(TokenType::SYMBOL)
219			->setTokenAttribute(TokenAttribute::UNICODE_CHAR, $symbol);
220
221			return true;
222			}
223			goto error;
224
225			state17:
226			if ($context->getBuffer()->isEnd()) {
227			goto error;
228			}
229			$char = $context->getBuffer()->getSymbol();
230			if (0x80 <= $char && $char <= 0xBF) {
231			$context->getBuffer()->nextSymbol();
232			goto state18;
233			}
234			goto error;
235
236			state18:
237			if ($context->getBuffer()->isEnd()) {
238			goto error;
239			}
240			$char = $context->getBuffer()->getSymbol();
241			if (0x80 <= $char && $char <= 0xBF) {
242			$context->getBuffer()->nextSymbol();
243			// [\xF0-\xF7][\x80-\xBF]{3}
244			$charList = array_slice($context->getSymbolList(), -4);
245			$symbol = ($charList[0] & 0x07) << 18;
246			$symbol \|= ($charList[1] & 0x3F) << 12;
247			$symbol \|= ($charList[2] & 0x3F) << 6;
248			$symbol \|= ($charList[3] & 0x3F);
249			$context
250			->setNewToken(TokenType::SYMBOL)
251			->setTokenAttribute(TokenAttribute::UNICODE_CHAR, $symbol);
252
253			return true;
254			}
255			goto error;
256
257			state20:
258			if ($context->getBuffer()->isEnd()) {
259			goto error;
260			}
261			$char = $context->getBuffer()->getSymbol();
262			if (0x80 <= $char && $char <= 0xBF) {
263			$context->getBuffer()->nextSymbol();
264			// [\xE0-\xEF][\x80-\xBF]{2}
265			$charList = array_slice($context->getSymbolList(), -3);
266			$symbol = ($charList[0] & 0x0F) << 12;
267			$symbol \|= ($charList[1] & 0x3F) << 6;
268			$symbol \|= ($charList[2] & 0x3F);
269			$context
270			->setNewToken(TokenType::SYMBOL)
271			->setTokenAttribute(TokenAttribute::UNICODE_CHAR, $symbol);
272
273			return true;
274			}
275			goto error;
276
277			error:
278			if ($context->getBuffer()->isEnd()) {
279			return false;
280			}
281			$context->getBuffer()->nextSymbol();
282			$context->setNewToken(TokenType::INVALID_BYTES);
283			return true;
284			}
285			}
286

remorhaz / php-unilex

Push — master ( 852e13...6d4e0e )

Utf8TokenMatcher::match() F

Complexity

Size

Duplication

Importance

How to fix Long Method Complexity

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