16112982700

Committed 07 Jul 2025 09:18AM UTC coverage: 57.935%. Remained the same

Build # 16112982700

Build Type

Pull #1307

github

Committed by

web-flow

Commit Message

Merge 81b4533d5 into 674cfa00c

Pull Request Pull Request #1307: [DOCS] Temporarily drop some markers from the class diagram

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0.0

/src/Parsing/ParserState.php

<?php

declare(strict_types=1);

namespace Sabberworm\CSS\Parsing;

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

/**
 * @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.
     *
     * @throws SourceException if the charset is UTF-8 and the content has invalid byte sequences
     */
    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)) {
                $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', $this->peek())) {
                    if ($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>|string $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>
     *
     * @throws SourceException if the charset is UTF-8 and the string contains invalid byte sequences
     */
    private function strsplit(string $string): array
    {
        if ($this->parserSettings->hasMultibyteSupport()) {
            if ($this->streql($this->charset, 'utf-8')) {
                $result = \preg_split('//u', $string, -1, PREG_SPLIT_NO_EMPTY);
                if (!\is_array($result)) {
                    throw new SourceException('`preg_split` failed with error ' . \preg_last_error());
                }
            } 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	/**
11	* @internal since 8.7.0
12	*/
13	class ParserState
14	{
15	/**
16	* @var null
17	*/
18	public const EOF = null;
19
20	/**
21	* @var Settings
22	*/
23	private $parserSettings;
24
25	/**
26	* @var string
27	*/
28	private $text;
29
30	/**
31	* @var array<int, string>
32	*/
33	private $characters;
34
35	/**
36	* @var int<0, max>
37	*/
38	private $currentPosition = 0;
39
40	/**
41	* will only be used if the CSS does not contain an `@charset` declaration
42	*
43	* @var string
44	*/
45	private $charset;
46
47	/**
48	* @var int<1, max> $lineNumber
49	*/
50	private $lineNumber;
51
52	/**
53	* @param string $text the complete CSS as text (i.e., usually the contents of a CSS file)
54	* @param int<1, max> $lineNumber
55	*/
56	public function __construct(string $text, Settings $parserSettings, int $lineNumber = 1)	×
57	{
58	$this->parserSettings = $parserSettings;	×
59	$this->text = $text;	×
60	$this->lineNumber = $lineNumber;	×
61	$this->setCharset($this->parserSettings->getDefaultCharset());	×
62	}	×
63
64	/**
65	* Sets the charset to be used if the CSS does not contain an `@charset` declaration.
66	*
67	* @throws SourceException if the charset is UTF-8 and the content has invalid byte sequences
68	*/
69	public function setCharset(string $charset): void	×
70	{
71	$this->charset = $charset;	×
72	$this->characters = $this->strsplit($this->text);	×
73	}	×
74
75	/**
76	* @return int<1, max>
77	*/
78	public function currentLine(): int	×
79	{
80	return $this->lineNumber;	×
81	}
82
83	/**
84	* @return int<0, max>
85	*/
86	public function currentColumn(): int	×
87	{
88	return $this->currentPosition;	×
89	}
90
91	public function getSettings(): Settings	×
92	{
93	return $this->parserSettings;	×
94	}
95
96	public function anchor(): Anchor	×
97	{
98	return new Anchor($this->currentPosition, $this);	×
99	}
100
101	/**
102	* @param int<0, max> $position
103	*/
104	public function setPosition(int $position): void	×
105	{
106	$this->currentPosition = $position;	×
107	}	×
108
109	/**
110	* @return non-empty-string
111	*
112	* @throws UnexpectedTokenException
113	*/
114	public function parseIdentifier(bool $ignoreCase = true): string	×
115	{
116	if ($this->isEnd()) {	×
117	throw new UnexpectedEOFException('', '', 'identifier', $this->lineNumber);	×
118	}
119	$result = $this->parseCharacter(true);	×
120	if ($result === null) {	×
121	throw new UnexpectedTokenException('', $this->peek(5), 'identifier', $this->lineNumber);	×
122	}
123	$character = null;	×
124	while (!$this->isEnd() && ($character = $this->parseCharacter(true)) !== null) {	×
125	if (\preg_match('/[a-zA-Z0-9\\x{00A0}-\\x{FFFF}_-]/Sux', $character)) {	×
126	$result .= $character;	×
127	} else {
128	$result .= '\\' . $character;	×
129	}
130	}
131	if ($ignoreCase) {	×
132	$result = $this->strtolower($result);	×
133	}
134
135	return $result;	×
136	}
137
138	/**
139	* @throws UnexpectedEOFException
140	* @throws UnexpectedTokenException
141	*/
142	public function parseCharacter(bool $isForIdentifier): ?string	×
143	{
144	if ($this->peek() === '\\') {	×
145	$this->consume('\\');	×
146	if ($this->comes('\\n') \|\| $this->comes('\\r')) {	×
147	return '';	×
148	}
149	if (\preg_match('/[0-9a-fA-F]/Su', $this->peek()) === 0) {	×
150	return $this->consume(1);	×
151	}
152	$hexCodePoint = $this->consumeExpression('/^[0-9a-fA-F]{1,6}/u', 6);	×
153	if ($this->strlen($hexCodePoint) < 6) {	×
154	// Consume whitespace after incomplete unicode escape
155	if (\preg_match('/\\s/isSu', $this->peek())) {	×
156	if ($this->comes('\\r\\n')) {	×
157	$this->consume(2);	×
158	} else {
159	$this->consume(1);	×
160	}
161	}
162	}
163	$codePoint = \intval($hexCodePoint, 16);	×
164	$utf32EncodedCharacter = '';	×
165	for ($i = 0; $i < 4; ++$i) {	×
166	$utf32EncodedCharacter .= \chr($codePoint & 0xff);	×
167	$codePoint = $codePoint >> 8;	×
168	}
169	return \iconv('utf-32le', $this->charset, $utf32EncodedCharacter);	×
170	}
171	if ($isForIdentifier) {	×
172	$peek = \ord($this->peek());	×
173	// Ranges: a-z A-Z 0-9 - _
174	if (
175	($peek >= 97 && $peek <= 122)	×
176	\|\| ($peek >= 65 && $peek <= 90)	×
177	\|\| ($peek >= 48 && $peek <= 57)	×
178	\|\| ($peek === 45)	×
179	\|\| ($peek === 95)	×
180	\|\| ($peek > 0xa1)	×
181	) {
182	return $this->consume(1);	×
183	}
184	} else {
185	return $this->consume(1);	×
186	}
187
188	return null;	×
189	}
190
191	/**
192	* @return list<Comment>
193	*
194	* @throws UnexpectedEOFException
195	* @throws UnexpectedTokenException
196	*/
197	public function consumeWhiteSpace(): array	×
198	{
199	$comments = [];	×
200	do {
201	while (\preg_match('/\\s/isSu', $this->peek()) === 1) {	×
202	$this->consume(1);	×
203	}
204	if ($this->parserSettings->usesLenientParsing()) {	×
205	try {
206	$comment = $this->consumeComment();	×
207	} catch (UnexpectedEOFException $e) {	×
208	$this->currentPosition = \count($this->characters);	×
209	break;	×
210	}
211	} else {
212	$comment = $this->consumeComment();	×
213	}
214	if ($comment instanceof Comment) {	×
215	$comments[] = $comment;	×
216	}
217	} while ($comment instanceof Comment);	×
218
219	return $comments;	×
220	}
221
222	/**
223	* @param non-empty-string $string
224	*/
225	public function comes(string $string, bool $caseInsensitive = false): bool	×
226	{
227	$peek = $this->peek(\strlen($string));	×
228
229	return ($peek !== '') && $this->streql($peek, $string, $caseInsensitive);	×
230	}
231
232	/**
233	* @param int<1, max> $length
234	* @param int<0, max> $offset
235	*/
236	public function peek(int $length = 1, int $offset = 0): string	×
237	{
238	$offset += $this->currentPosition;	×
239	if ($offset >= \count($this->characters)) {	×
240	return '';	×
241	}
242
243	return $this->substr($offset, $length);	×
244	}
245
246	/**
247	* @param string\|int<1, max> $value
248	*
249	* @throws UnexpectedEOFException
250	* @throws UnexpectedTokenException
251	*/
252	public function consume($value = 1): string	×
253	{
254	if (\is_string($value)) {	×
255	$numberOfLines = \substr_count($value, "\n");	×
256	$length = $this->strlen($value);	×
257	if (!$this->streql($this->substr($this->currentPosition, $length), $value)) {	×
258	throw new UnexpectedTokenException(	×
259	$value,	×
260	$this->peek(\max($length, 5)),	×
261	'literal',	×
262	$this->lineNumber	×
263	);
264	}
265
266	$this->lineNumber += $numberOfLines;	×
267	$this->currentPosition += $this->strlen($value);	×
268	$result = $value;	×
269	} else {
270	if ($this->currentPosition + $value > \count($this->characters)) {	×
271	throw new UnexpectedEOFException((string) $value, $this->peek(5), 'count', $this->lineNumber);	×
272	}
273
274	$result = $this->substr($this->currentPosition, $value);	×
275	$numberOfLines = \substr_count($result, "\n");	×
276	$this->lineNumber += $numberOfLines;	×
277	$this->currentPosition += $value;	×
278	}
279
280	return $result;	×
281	}
282
283	/**
284	* @param string $expression
285	* @param int<1, max>\|null $maximumLength
286	*
287	* @throws UnexpectedEOFException
288	* @throws UnexpectedTokenException
289	*/
290	public function consumeExpression(string $expression, ?int $maximumLength = null): string	×
291	{
292	$matches = null;	×
293	$input = ($maximumLength !== null) ? $this->peek($maximumLength) : $this->inputLeft();	×
294	if (\preg_match($expression, $input, $matches, PREG_OFFSET_CAPTURE) !== 1) {	×
295	throw new UnexpectedTokenException($expression, $this->peek(5), 'expression', $this->lineNumber);	×
296	}
297
298	return $this->consume($matches[0][0]);	×
299	}
300
301	/**
302	* @return Comment\|false
303	*/
304	public function consumeComment()	×
305	{
306	$lineNumber = $this->lineNumber;	×
307	$comment = null;	×
308
309	if ($this->comes('/*')) {	×
310	$this->consume(1);	×
311	$comment = '';	×
312	while (($char = $this->consume(1)) !== '') {	×
313	$comment .= $char;	×
314	if ($this->comes('*/')) {	×
315	$this->consume(2);	×
316	break;	×
317	}
318	}
319	}
320
321	// We skip the * which was included in the comment.
322	return \is_string($comment) ? new Comment(\substr($comment, 1), $lineNumber) : false;	×
323	}
324
325	public function isEnd(): bool	×
326	{
327	return $this->currentPosition >= \count($this->characters);	×
328	}
329
330	/**
331	* @param list<string>\|string $stopCharacters
332	* @param array<int, Comment> $comments
333	*
334	* @throws UnexpectedEOFException
335	* @throws UnexpectedTokenException
336	*/
337	public function consumeUntil(	×
338	$stopCharacters,
339	bool $includeEnd = false,
340	bool $consumeEnd = false,
341	array &$comments = []
342	): string {
343	$stopCharacters = \is_array($stopCharacters) ? $stopCharacters : [$stopCharacters];	×
344	$consumedCharacters = '';	×
345	$start = $this->currentPosition;	×
346
347	while (!$this->isEnd()) {	×
348	$character = $this->consume(1);	×
349	if (\in_array($character, $stopCharacters, true)) {	×
350	if ($includeEnd) {	×
351	$consumedCharacters .= $character;	×
352	} elseif (!$consumeEnd) {	×
353	$this->currentPosition -= $this->strlen($character);	×
354	}
355	return $consumedCharacters;	×
356	}
357	$consumedCharacters .= $character;	×
358	$comment = $this->consumeComment();	×
359	if ($comment instanceof Comment) {	×
360	$comments[] = $comment;	×
361	}
362	}
363
364	if (\in_array(self::EOF, $stopCharacters, true)) {	×
365	return $consumedCharacters;	×
366	}
367
368	$this->currentPosition = $start;	×
369	throw new UnexpectedEOFException(	×
370	'One of ("' . \implode('","', $stopCharacters) . '")',	×
371	$this->peek(5),	×
372	'search',	×
373	$this->lineNumber	×
374	);
375	}
376
377	private function inputLeft(): string	×
378	{
379	return $this->substr($this->currentPosition, -1);	×
380	}
381
382	public function streql(string $string1, string $string2, bool $caseInsensitive = true): bool	×
383	{
384	return $caseInsensitive	×
385	? ($this->strtolower($string1) === $this->strtolower($string2))	×
386	: ($string1 === $string2);	×
387	}
388
389	/**
390	* @param int<1, max> $numberOfCharacters
391	*/
392	public function backtrack(int $numberOfCharacters): void	×
393	{
394	$this->currentPosition -= $numberOfCharacters;	×
395	}	×
396
397	/**
398	* @return int<0, max>
399	*/
400	public function strlen(string $string): int	×
401	{
402	return $this->parserSettings->hasMultibyteSupport()	×
403	? \mb_strlen($string, $this->charset)	×
404	: \strlen($string);	×
405	}
406
407	/**
408	* @param int<0, max> $offset
409	*/
410	private function substr(int $offset, int $length): string	×
411	{
412	if ($length < 0) {	×
413	$length = \count($this->characters) - $offset + $length;	×
414	}
415	if ($offset + $length > \count($this->characters)) {	×
416	$length = \count($this->characters) - $offset;	×
417	}
418	$result = '';	×
419	while ($length > 0) {	×
420	$result .= $this->characters[$offset];	×
421	$offset++;	×
422	$length--;	×
423	}
424
425	return $result;	×
426	}
427
428	/**
429	* @return ($string is non-empty-string ? non-empty-string : string)
430	*/
431	private function strtolower(string $string): string	×
432	{
433	return $this->parserSettings->hasMultibyteSupport()	×
434	? \mb_strtolower($string, $this->charset)	×
435	: \strtolower($string);	×
436	}
437
438	/**
439	* @return list<string>
440	*
441	* @throws SourceException if the charset is UTF-8 and the string contains invalid byte sequences
442	*/
443	private function strsplit(string $string): array	×
444	{
445	if ($this->parserSettings->hasMultibyteSupport()) {	×
446	if ($this->streql($this->charset, 'utf-8')) {	×
447	$result = \preg_split('//u', $string, -1, PREG_SPLIT_NO_EMPTY);	×
448	if (!\is_array($result)) {	×
449	throw new SourceException('`preg_split` failed with error ' . \preg_last_error());	×
450	}
451	} else {
452	$length = \mb_strlen($string, $this->charset);	×
453	$result = [];	×
454	for ($i = 0; $i < $length; ++$i) {	×
455	$result[] = \mb_substr($string, $i, 1, $this->charset);	×
456	}
457	}
458	} else {
459	$result = ($string !== '') ? \str_split($string) : [];	×
460	}
461
462	return $result;	×
463	}
464	}

MyIntervals / PHP-CSS-Parser / 16112982700

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