17176929358

Committed 23 Aug 2025 03:07PM UTC coverage: 59.658% (+0.06%) from 59.595%

Build # 17176929358

Build Type

push

github

Committed by

web-flow

Commit Message

[BUGFIX] Use the safe regexp functions in `ParserState` (#1370)

Part of #1168

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0 of 7 new or added lines in 1 file covered. (0.0%)

2 existing lines in 1 file now uncovered.

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/src/Parsing/ParserState.php

<?php

declare(strict_types=1);

namespace Sabberworm\CSS\Parsing;

use Sabberworm\CSS\Comment\Comment;
use Sabberworm\CSS\Settings;

use function Safe\iconv;
use function Safe\preg_match;
use function Safe\preg_split;

/**
 * @internal since 8.7.0
 */
class ParserState
{
    /**
     * @var null
     */
    public const EOF = null;

    /**
     * @var Settings
     */
    private $parserSettings;

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

    /**
     * @var array<int, string>
     */
    private $characters;

    /**
     * @var int<0, max>
     */
    private $currentPosition = 0;

    /**
     * will only be used if the CSS does not contain an `@charset` declaration
     *
     * @var string
     */
    private $charset;

    /**
     * @var int<1, max> $lineNumber
     */
    private $lineNumber;

    /**
     * @param string $text the complete CSS as text (i.e., usually the contents of a CSS file)
     * @param int<1, max> $lineNumber
     */
    public function __construct(string $text, Settings $parserSettings, int $lineNumber = 1)
    {
        $this->parserSettings = $parserSettings;
        $this->text = $text;
        $this->lineNumber = $lineNumber;
        $this->setCharset($this->parserSettings->getDefaultCharset());
    }

    /**
     * Sets the charset to be used if the CSS does not contain an `@charset` declaration.
     */
    public function setCharset(string $charset): void
    {
        $this->charset = $charset;
        $this->characters = $this->strsplit($this->text);
    }

    /**
     * @return int<1, max>
     */
    public function currentLine(): int
    {
        return $this->lineNumber;
    }

    /**
     * @return int<0, max>
     */
    public function currentColumn(): int
    {
        return $this->currentPosition;
    }

    public function getSettings(): Settings
    {
        return $this->parserSettings;
    }

    public function anchor(): Anchor
    {
        return new Anchor($this->currentPosition, $this);
    }

    /**
     * @param int<0, max> $position
     */
    public function setPosition(int $position): void
    {
        $this->currentPosition = $position;
    }

    /**
     * @return non-empty-string
     *
     * @throws UnexpectedTokenException
     */
    public function parseIdentifier(bool $ignoreCase = true): string
    {
        if ($this->isEnd()) {
            throw new UnexpectedEOFException('', '', 'identifier', $this->lineNumber);
        }
        $result = $this->parseCharacter(true);
        if ($result === null) {
            throw new UnexpectedTokenException('', $this->peek(5), 'identifier', $this->lineNumber);
        }
        $character = null;
        while (!$this->isEnd() && ($character = $this->parseCharacter(true)) !== null) {
            if (preg_match('/[a-zA-Z0-9\\x{00A0}-\\x{FFFF}_-]/Sux', $character) !== 0) {
                $result .= $character;
            } else {
                $result .= '\\' . $character;
            }
        }
        if ($ignoreCase) {
            $result = $this->strtolower($result);
        }

        return $result;
    }

    /**
     * @throws UnexpectedEOFException
     * @throws UnexpectedTokenException
     */
    public function parseCharacter(bool $isForIdentifier): ?string
    {
        if ($this->peek() === '\\') {
            $this->consume('\\');
            if ($this->comes('\\n') || $this->comes('\\r')) {
                return '';
            }
            if (preg_match('/[0-9a-fA-F]/Su', $this->peek()) === 0) {
                return $this->consume(1);
            }
            $hexCodePoint = $this->consumeExpression('/^[0-9a-fA-F]{1,6}/u', 6);
            if ($this->strlen($hexCodePoint) < 6) {
                // Consume whitespace after incomplete unicode escape
                if (preg_match('/\\s/isSu', $this->peek()) !== 0) {
                    if ($this->comes('\\r\\n')) {
                        $this->consume(2);
                    } else {
                        $this->consume(1);
                    }
                }
            }
            $codePoint = \intval($hexCodePoint, 16);
            $utf32EncodedCharacter = '';
            for ($i = 0; $i < 4; ++$i) {
                $utf32EncodedCharacter .= \chr($codePoint & 0xff);
                $codePoint = $codePoint >> 8;
            }
            return iconv('utf-32le', $this->charset, $utf32EncodedCharacter);
        }
        if ($isForIdentifier) {
            $peek = \ord($this->peek());
            // Ranges: a-z A-Z 0-9 - _
            if (
                ($peek >= 97 && $peek <= 122)
                || ($peek >= 65 && $peek <= 90)
                || ($peek >= 48 && $peek <= 57)
                || ($peek === 45)
                || ($peek === 95)
                || ($peek > 0xa1)
            ) {
                return $this->consume(1);
            }
        } else {
            return $this->consume(1);
        }

        return null;
    }

    /**
     * @return list<Comment>
     *
     * @throws UnexpectedEOFException
     * @throws UnexpectedTokenException
     */
    public function consumeWhiteSpace(): array
    {
        $comments = [];
        do {
            while (preg_match('/\\s/isSu', $this->peek()) === 1) {
                $this->consume(1);
            }
            if ($this->parserSettings->usesLenientParsing()) {
                try {
                    $comment = $this->consumeComment();
                } catch (UnexpectedEOFException $e) {
                    $this->currentPosition = \count($this->characters);
                    break;
                }
            } else {
                $comment = $this->consumeComment();
            }
            if ($comment instanceof Comment) {
                $comments[] = $comment;
            }
        } while ($comment instanceof Comment);

        return $comments;
    }

    /**
     * @param non-empty-string $string
     */
    public function comes(string $string, bool $caseInsensitive = false): bool
    {
        $peek = $this->peek(\strlen($string));

        return ($peek !== '') && $this->streql($peek, $string, $caseInsensitive);
    }

    /**
     * @param int<1, max> $length
     * @param int<0, max> $offset
     */
    public function peek(int $length = 1, int $offset = 0): string
    {
        $offset += $this->currentPosition;
        if ($offset >= \count($this->characters)) {
            return '';
        }

        return $this->substr($offset, $length);
    }

    /**
     * @param string|int<1, max> $value
     *
     * @throws UnexpectedEOFException
     * @throws UnexpectedTokenException
     */
    public function consume($value = 1): string
    {
        if (\is_string($value)) {
            $numberOfLines = \substr_count($value, "\n");
            $length = $this->strlen($value);
            if (!$this->streql($this->substr($this->currentPosition, $length), $value)) {
                throw new UnexpectedTokenException(
                    $value,
                    $this->peek(\max($length, 5)),
                    'literal',
                    $this->lineNumber
                );
            }

            $this->lineNumber += $numberOfLines;
            $this->currentPosition += $this->strlen($value);
            $result = $value;
        } else {
            if ($this->currentPosition + $value > \count($this->characters)) {
                throw new UnexpectedEOFException((string) $value, $this->peek(5), 'count', $this->lineNumber);
            }

            $result = $this->substr($this->currentPosition, $value);
            $numberOfLines = \substr_count($result, "\n");
            $this->lineNumber += $numberOfLines;
            $this->currentPosition += $value;
        }

        return $result;
    }

    /**
     * @param string $expression
     * @param int<1, max>|null $maximumLength
     *
     * @throws UnexpectedEOFException
     * @throws UnexpectedTokenException
     */
    public function consumeExpression(string $expression, ?int $maximumLength = null): string
    {
        $matches = null;
        $input = ($maximumLength !== null) ? $this->peek($maximumLength) : $this->inputLeft();
        if (preg_match($expression, $input, $matches, PREG_OFFSET_CAPTURE) !== 1) {
            throw new UnexpectedTokenException($expression, $this->peek(5), 'expression', $this->lineNumber);
        }

        return $this->consume($matches[0][0]);
    }

    /**
     * @return Comment|false
     */
    public function consumeComment()
    {
        $lineNumber = $this->lineNumber;
        $comment = null;

        if ($this->comes('/*')) {
            $this->consume(1);
            $comment = '';
            while (($char = $this->consume(1)) !== '') {
                $comment .= $char;
                if ($this->comes('*/')) {
                    $this->consume(2);
                    break;
                }
            }
        }

        // We skip the * which was included in the comment.
        return \is_string($comment) ? new Comment(\substr($comment, 1), $lineNumber) : false;
    }

    public function isEnd(): bool
    {
        return $this->currentPosition >= \count($this->characters);
    }

    /**
     * @param list<string|self::EOF>|string|self::EOF $stopCharacters
     * @param array<int, Comment> $comments
     *
     * @throws UnexpectedEOFException
     * @throws UnexpectedTokenException
     */
    public function consumeUntil(
        $stopCharacters,
        bool $includeEnd = false,
        bool $consumeEnd = false,
        array &$comments = []
    ): string {
        $stopCharacters = \is_array($stopCharacters) ? $stopCharacters : [$stopCharacters];
        $consumedCharacters = '';
        $start = $this->currentPosition;

        while (!$this->isEnd()) {
            $character = $this->consume(1);
            if (\in_array($character, $stopCharacters, true)) {
                if ($includeEnd) {
                    $consumedCharacters .= $character;
                } elseif (!$consumeEnd) {
                    $this->currentPosition -= $this->strlen($character);
                }
                return $consumedCharacters;
            }
            $consumedCharacters .= $character;
            $comment = $this->consumeComment();
            if ($comment instanceof Comment) {
                $comments[] = $comment;
            }
        }

        if (\in_array(self::EOF, $stopCharacters, true)) {
            return $consumedCharacters;
        }

        $this->currentPosition = $start;
        throw new UnexpectedEOFException(
            'One of ("' . \implode('","', $stopCharacters) . '")',
            $this->peek(5),
            'search',
            $this->lineNumber
        );
    }

    private function inputLeft(): string
    {
        return $this->substr($this->currentPosition, -1);
    }

    public function streql(string $string1, string $string2, bool $caseInsensitive = true): bool
    {
        return $caseInsensitive
            ? ($this->strtolower($string1) === $this->strtolower($string2))
            : ($string1 === $string2);
    }

    /**
     * @param int<1, max> $numberOfCharacters
     */
    public function backtrack(int $numberOfCharacters): void
    {
        $this->currentPosition -= $numberOfCharacters;
    }

    /**
     * @return int<0, max>
     */
    public function strlen(string $string): int
    {
        return $this->parserSettings->hasMultibyteSupport()
            ? \mb_strlen($string, $this->charset)
            : \strlen($string);
    }

    /**
     * @param int<0, max> $offset
     */
    private function substr(int $offset, int $length): string
    {
        if ($length < 0) {
            $length = \count($this->characters) - $offset + $length;
        }
        if ($offset + $length > \count($this->characters)) {
            $length = \count($this->characters) - $offset;
        }
        $result = '';
        while ($length > 0) {
            $result .= $this->characters[$offset];
            $offset++;
            $length--;
        }

        return $result;
    }

    /**
     * @return ($string is non-empty-string ? non-empty-string : string)
     */
    private function strtolower(string $string): string
    {
        return $this->parserSettings->hasMultibyteSupport()
            ? \mb_strtolower($string, $this->charset)
            : \strtolower($string);
    }

    /**
     * @return list<string>
     */
    private function strsplit(string $string): array
    {
        if ($this->parserSettings->hasMultibyteSupport()) {
            if ($this->streql($this->charset, 'utf-8')) {
                $result = preg_split('//u', $string, -1, PREG_SPLIT_NO_EMPTY);
            } else {
                $length = \mb_strlen($string, $this->charset);
                $result = [];
                for ($i = 0; $i < $length; ++$i) {
                    $result[] = \mb_substr($string, $i, 1, $this->charset);
                }
            }
        } else {
            $result = ($string !== '') ? \str_split($string) : [];
        }

        return $result;
    }
}

1	<?php
2
3	declare(strict_types=1);
4
5	namespace Sabberworm\CSS\Parsing;
6
7	use Sabberworm\CSS\Comment\Comment;
8	use Sabberworm\CSS\Settings;
9
10	use function Safe\iconv;
11	use function Safe\preg_match;
12	use function Safe\preg_split;
13
14	/**
15	* @internal since 8.7.0
16	*/
17	class ParserState
18	{
19	/**
20	* @var null
21	*/
22	public const EOF = null;
23
24	/**
25	* @var Settings
26	*/
27	private $parserSettings;
28
29	/**
30	* @var string
31	*/
32	private $text;
33
34	/**
35	* @var array<int, string>
36	*/
37	private $characters;
38
39	/**
40	* @var int<0, max>
41	*/
42	private $currentPosition = 0;
43
44	/**
45	* will only be used if the CSS does not contain an `@charset` declaration
46	*
47	* @var string
48	*/
49	private $charset;
50
51	/**
52	* @var int<1, max> $lineNumber
53	*/
54	private $lineNumber;
55
56	/**
57	* @param string $text the complete CSS as text (i.e., usually the contents of a CSS file)
58	* @param int<1, max> $lineNumber
59	*/
60	public function __construct(string $text, Settings $parserSettings, int $lineNumber = 1)	×
61	{
62	$this->parserSettings = $parserSettings;	×
63	$this->text = $text;	×
64	$this->lineNumber = $lineNumber;	×
65	$this->setCharset($this->parserSettings->getDefaultCharset());	×
66	}	×
67
68	/**
69	* Sets the charset to be used if the CSS does not contain an `@charset` declaration.
70	*/
UNCOV 71	public function setCharset(string $charset): void	×
72	{
73	$this->charset = $charset;	×
74	$this->characters = $this->strsplit($this->text);	×
75	}	×
76
77	/**
78	* @return int<1, max>
79	*/
80	public function currentLine(): int	×
81	{
82	return $this->lineNumber;	×
83	}
84
85	/**
86	* @return int<0, max>
87	*/
88	public function currentColumn(): int	×
89	{
90	return $this->currentPosition;	×
91	}
92
93	public function getSettings(): Settings	×
94	{
95	return $this->parserSettings;	×
96	}
97
98	public function anchor(): Anchor	×
99	{
100	return new Anchor($this->currentPosition, $this);	×
101	}
102
103	/**
104	* @param int<0, max> $position
105	*/
106	public function setPosition(int $position): void	×
107	{
108	$this->currentPosition = $position;	×
109	}	×
110
111	/**
112	* @return non-empty-string
113	*
114	* @throws UnexpectedTokenException
115	*/
116	public function parseIdentifier(bool $ignoreCase = true): string	×
117	{
118	if ($this->isEnd()) {	×
119	throw new UnexpectedEOFException('', '', 'identifier', $this->lineNumber);	×
120	}
121	$result = $this->parseCharacter(true);	×
122	if ($result === null) {	×
123	throw new UnexpectedTokenException('', $this->peek(5), 'identifier', $this->lineNumber);	×
124	}
125	$character = null;	×
126	while (!$this->isEnd() && ($character = $this->parseCharacter(true)) !== null) {	×
NEW 127	if (preg_match('/[a-zA-Z0-9\\x{00A0}-\\x{FFFF}_-]/Sux', $character) !== 0) {	×
128	$result .= $character;	×
129	} else {
130	$result .= '\\' . $character;	×
131	}
132	}
133	if ($ignoreCase) {	×
134	$result = $this->strtolower($result);	×
135	}
136
137	return $result;	×
138	}
139
140	/**
141	* @throws UnexpectedEOFException
142	* @throws UnexpectedTokenException
143	*/
144	public function parseCharacter(bool $isForIdentifier): ?string	×
145	{
146	if ($this->peek() === '\\') {	×
147	$this->consume('\\');	×
148	if ($this->comes('\\n') \|\| $this->comes('\\r')) {	×
149	return '';	×
150	}
NEW 151	if (preg_match('/[0-9a-fA-F]/Su', $this->peek()) === 0) {	×
152	return $this->consume(1);	×
153	}
154	$hexCodePoint = $this->consumeExpression('/^[0-9a-fA-F]{1,6}/u', 6);	×
155	if ($this->strlen($hexCodePoint) < 6) {	×
156	// Consume whitespace after incomplete unicode escape
NEW 157	if (preg_match('/\\s/isSu', $this->peek()) !== 0) {	×
158	if ($this->comes('\\r\\n')) {	×
159	$this->consume(2);	×
160	} else {
161	$this->consume(1);	×
162	}
163	}
164	}
165	$codePoint = \intval($hexCodePoint, 16);	×
166	$utf32EncodedCharacter = '';	×
167	for ($i = 0; $i < 4; ++$i) {	×
168	$utf32EncodedCharacter .= \chr($codePoint & 0xff);	×
169	$codePoint = $codePoint >> 8;	×
170	}
NEW 171	return iconv('utf-32le', $this->charset, $utf32EncodedCharacter);	×
172	}
173	if ($isForIdentifier) {	×
174	$peek = \ord($this->peek());	×
175	// Ranges: a-z A-Z 0-9 - _
176	if (
177	($peek >= 97 && $peek <= 122)	×
178	\|\| ($peek >= 65 && $peek <= 90)	×
179	\|\| ($peek >= 48 && $peek <= 57)	×
180	\|\| ($peek === 45)	×
181	\|\| ($peek === 95)	×
182	\|\| ($peek > 0xa1)	×
183	) {
184	return $this->consume(1);	×
185	}
186	} else {
187	return $this->consume(1);	×
188	}
189
190	return null;	×
191	}
192
193	/**
194	* @return list<Comment>
195	*
196	* @throws UnexpectedEOFException
197	* @throws UnexpectedTokenException
198	*/
199	public function consumeWhiteSpace(): array	×
200	{
201	$comments = [];	×
202	do {
NEW 203	while (preg_match('/\\s/isSu', $this->peek()) === 1) {	×
204	$this->consume(1);	×
205	}
206	if ($this->parserSettings->usesLenientParsing()) {	×
207	try {
208	$comment = $this->consumeComment();	×
209	} catch (UnexpectedEOFException $e) {	×
210	$this->currentPosition = \count($this->characters);	×
211	break;	×
212	}
213	} else {
214	$comment = $this->consumeComment();	×
215	}
216	if ($comment instanceof Comment) {	×
217	$comments[] = $comment;	×
218	}
219	} while ($comment instanceof Comment);	×
220
221	return $comments;	×
222	}
223
224	/**
225	* @param non-empty-string $string
226	*/
227	public function comes(string $string, bool $caseInsensitive = false): bool	×
228	{
229	$peek = $this->peek(\strlen($string));	×
230
231	return ($peek !== '') && $this->streql($peek, $string, $caseInsensitive);	×
232	}
233
234	/**
235	* @param int<1, max> $length
236	* @param int<0, max> $offset
237	*/
238	public function peek(int $length = 1, int $offset = 0): string	×
239	{
240	$offset += $this->currentPosition;	×
241	if ($offset >= \count($this->characters)) {	×
242	return '';	×
243	}
244
245	return $this->substr($offset, $length);	×
246	}
247
248	/**
249	* @param string\|int<1, max> $value
250	*
251	* @throws UnexpectedEOFException
252	* @throws UnexpectedTokenException
253	*/
254	public function consume($value = 1): string	×
255	{
256	if (\is_string($value)) {	×
257	$numberOfLines = \substr_count($value, "\n");	×
258	$length = $this->strlen($value);	×
259	if (!$this->streql($this->substr($this->currentPosition, $length), $value)) {	×
260	throw new UnexpectedTokenException(	×
261	$value,	×
262	$this->peek(\max($length, 5)),	×
263	'literal',	×
264	$this->lineNumber	×
265	);
266	}
267
268	$this->lineNumber += $numberOfLines;	×
269	$this->currentPosition += $this->strlen($value);	×
270	$result = $value;	×
271	} else {
272	if ($this->currentPosition + $value > \count($this->characters)) {	×
273	throw new UnexpectedEOFException((string) $value, $this->peek(5), 'count', $this->lineNumber);	×
274	}
275
276	$result = $this->substr($this->currentPosition, $value);	×
277	$numberOfLines = \substr_count($result, "\n");	×
278	$this->lineNumber += $numberOfLines;	×
279	$this->currentPosition += $value;	×
280	}
281
282	return $result;	×
283	}
284
285	/**
286	* @param string $expression
287	* @param int<1, max>\|null $maximumLength
288	*
289	* @throws UnexpectedEOFException
290	* @throws UnexpectedTokenException
291	*/
292	public function consumeExpression(string $expression, ?int $maximumLength = null): string	×
293	{
294	$matches = null;	×
295	$input = ($maximumLength !== null) ? $this->peek($maximumLength) : $this->inputLeft();	×
NEW 296	if (preg_match($expression, $input, $matches, PREG_OFFSET_CAPTURE) !== 1) {	×
297	throw new UnexpectedTokenException($expression, $this->peek(5), 'expression', $this->lineNumber);	×
298	}
299
300	return $this->consume($matches[0][0]);	×
301	}
302
303	/**
304	* @return Comment\|false
305	*/
306	public function consumeComment()	×
307	{
308	$lineNumber = $this->lineNumber;	×
309	$comment = null;	×
310
311	if ($this->comes('/*')) {	×
312	$this->consume(1);	×
313	$comment = '';	×
314	while (($char = $this->consume(1)) !== '') {	×
315	$comment .= $char;	×
316	if ($this->comes('*/')) {	×
317	$this->consume(2);	×
318	break;	×
319	}
320	}
321	}
322
323	// We skip the * which was included in the comment.
324	return \is_string($comment) ? new Comment(\substr($comment, 1), $lineNumber) : false;	×
325	}
326
327	public function isEnd(): bool	×
328	{
329	return $this->currentPosition >= \count($this->characters);	×
330	}
331
332	/**
333	* @param list<string\|self::EOF>\|string\|self::EOF $stopCharacters
334	* @param array<int, Comment> $comments
335	*
336	* @throws UnexpectedEOFException
337	* @throws UnexpectedTokenException
338	*/
339	public function consumeUntil(	×
340	$stopCharacters,
341	bool $includeEnd = false,
342	bool $consumeEnd = false,
343	array &$comments = []
344	): string {
345	$stopCharacters = \is_array($stopCharacters) ? $stopCharacters : [$stopCharacters];	×
346	$consumedCharacters = '';	×
347	$start = $this->currentPosition;	×
348
349	while (!$this->isEnd()) {	×
350	$character = $this->consume(1);	×
351	if (\in_array($character, $stopCharacters, true)) {	×
352	if ($includeEnd) {	×
353	$consumedCharacters .= $character;	×
354	} elseif (!$consumeEnd) {	×
355	$this->currentPosition -= $this->strlen($character);	×
356	}
357	return $consumedCharacters;	×
358	}
359	$consumedCharacters .= $character;	×
360	$comment = $this->consumeComment();	×
361	if ($comment instanceof Comment) {	×
362	$comments[] = $comment;	×
363	}
364	}
365
366	if (\in_array(self::EOF, $stopCharacters, true)) {	×
367	return $consumedCharacters;	×
368	}
369
370	$this->currentPosition = $start;	×
371	throw new UnexpectedEOFException(	×
372	'One of ("' . \implode('","', $stopCharacters) . '")',	×
373	$this->peek(5),	×
374	'search',	×
375	$this->lineNumber	×
376	);
377	}
378
379	private function inputLeft(): string	×
380	{
381	return $this->substr($this->currentPosition, -1);	×
382	}
383
384	public function streql(string $string1, string $string2, bool $caseInsensitive = true): bool	×
385	{
386	return $caseInsensitive	×
387	? ($this->strtolower($string1) === $this->strtolower($string2))	×
388	: ($string1 === $string2);	×
389	}
390
391	/**
392	* @param int<1, max> $numberOfCharacters
393	*/
394	public function backtrack(int $numberOfCharacters): void	×
395	{
396	$this->currentPosition -= $numberOfCharacters;	×
397	}	×
398
399	/**
400	* @return int<0, max>
401	*/
402	public function strlen(string $string): int	×
403	{
404	return $this->parserSettings->hasMultibyteSupport()	×
405	? \mb_strlen($string, $this->charset)	×
406	: \strlen($string);	×
407	}
408
409	/**
410	* @param int<0, max> $offset
411	*/
412	private function substr(int $offset, int $length): string	×
413	{
414	if ($length < 0) {	×
415	$length = \count($this->characters) - $offset + $length;	×
416	}
417	if ($offset + $length > \count($this->characters)) {	×
418	$length = \count($this->characters) - $offset;	×
419	}
420	$result = '';	×
421	while ($length > 0) {	×
422	$result .= $this->characters[$offset];	×
423	$offset++;	×
424	$length--;	×
425	}
426
427	return $result;	×
428	}
429
430	/**
431	* @return ($string is non-empty-string ? non-empty-string : string)
432	*/
433	private function strtolower(string $string): string	×
434	{
435	return $this->parserSettings->hasMultibyteSupport()	×
436	? \mb_strtolower($string, $this->charset)	×
437	: \strtolower($string);	×
438	}
439
440	/**
441	* @return list<string>
442	*/
UNCOV 443	private function strsplit(string $string): array	×
444	{
445	if ($this->parserSettings->hasMultibyteSupport()) {	×
446	if ($this->streql($this->charset, 'utf-8')) {	×
NEW 447	$result = preg_split('//u', $string, -1, PREG_SPLIT_NO_EMPTY);	×
448	} else {
449	$length = \mb_strlen($string, $this->charset);	×
450	$result = [];	×
451	for ($i = 0; $i < $length; ++$i) {	×
452	$result[] = \mb_substr($string, $i, 1, $this->charset);	×
453	}
454	}
455	} else {
456	$result = ($string !== '') ? \str_split($string) : [];	×
457	}
458
459	return $result;	×
460	}
461	}

MyIntervals / PHP-CSS-Parser / 17176929358

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