13433077716

Committed 20 Feb 2025 10:22AM UTC coverage: 51.654%. First build

Build # 13433077716

Build Type

Pull #964

github

Committed by

web-flow

Commit Message

Merge cc5192161 into d7d9128f0

Pull Request Pull Request #964: [TASK] Use native type declarations in `OutputFormatter`

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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
     */
    private $currentPosition = 0;

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

    /**
     * @var int
     */
    private $length;

    /**
     * @var int
     */
    private $lineNumber;

    /**
     * @param string $text the complete CSS as text (i.e., usually the contents of a CSS file)
     * @param int<0, max> $lineNumber
     */
    public function __construct($text, Settings $parserSettings, $lineNumber = 1)
    {
        $this->parserSettings = $parserSettings;
        $this->text = $text;
        $this->lineNumber = $lineNumber;
        $this->setCharset($this->parserSettings->sDefaultCharset);
    }

    /**
     * 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);
        $this->length = \count($this->characters);
    }

    /**
     * @return int
     */
    public function currentLine()
    {
        return $this->lineNumber;
    }

    /**
     * @return int
     */
    public function currentColumn()
    {
        return $this->currentPosition;
    }

    /**
     * @return Settings
     */
    public function getSettings()
    {
        return $this->parserSettings;
    }

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

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

    /**
     * @param bool $ignoreCase
     *
     * @return string
     *
     * @throws UnexpectedTokenException
     */
    public function parseIdentifier($ignoreCase = true)
    {
        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;
    }

    /**
     * @param bool $isForIdentifier
     *
     * @return string|null
     *
     * @throws UnexpectedEOFException
     * @throws UnexpectedTokenException
     */
    public function parseCharacter($isForIdentifier)
    {
        if ($this->peek() === '\\') {
            if (
                $isForIdentifier && $this->parserSettings->bLenientParsing
                && ($this->comes('\\0') || $this->comes('\\9'))
            ) {
                // Non-strings can contain \0 or \9 which is an IE hack supported in lenient parsing.
                return null;
            }
            $this->consume('\\');
            if ($this->comes('\\n') || $this->comes('\\r')) {
                return '';
            }
            if (\preg_match('/[0-9a-fA-F]/Su', $this->peek()) === 0) {
                return $this->consume(1);
            }
            $sUnicode = $this->consumeExpression('/^[0-9a-fA-F]{1,6}/u', 6);
            if ($this->strlen($sUnicode) < 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);
                    }
                }
            }
            $iUnicode = \intval($sUnicode, 16);
            $sUtf32 = '';
            for ($i = 0; $i < 4; ++$i) {
                $sUtf32 .= \chr($iUnicode & 0xff);
                $iUnicode = $iUnicode >> 8;
            }
            return \iconv('utf-32le', $this->charset, $sUtf32);
        }
        if ($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 array<int, Comment>|void
     *
     * @throws UnexpectedEOFException
     * @throws UnexpectedTokenException
     */
    public function consumeWhiteSpace(): array
    {
        $comments = [];
        do {
            while (\preg_match('/\\s/isSu', $this->peek()) === 1) {
                $this->consume(1);
            }
            if ($this->parserSettings->bLenientParsing) {
                try {
                    $oComment = $this->consumeComment();
                } catch (UnexpectedEOFException $e) {
                    $this->currentPosition = $this->length;
                    return $comments;
                }
            } else {
                $oComment = $this->consumeComment();
            }
            if ($oComment !== false) {
                $comments[] = $oComment;
            }
        } while ($oComment !== false);
        return $comments;
    }

    /**
     * @param string $sString
     * @param bool $bCaseInsensitive
     */
    public function comes($sString, $bCaseInsensitive = false): bool
    {
        $sPeek = $this->peek(\strlen($sString));
        return ($sPeek == '')
            ? false
            : $this->streql($sPeek, $sString, $bCaseInsensitive);
    }

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

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

    /**
     * @param string $mExpression
     * @param int|null $iMaxLength
     *
     * @throws UnexpectedEOFException
     * @throws UnexpectedTokenException
     */
    public function consumeExpression($mExpression, $iMaxLength = null): string
    {
        $aMatches = null;
        $sInput = $iMaxLength !== null ? $this->peek($iMaxLength) : $this->inputLeft();
        if (\preg_match($mExpression, $sInput, $aMatches, PREG_OFFSET_CAPTURE) === 1) {
            return $this->consume($aMatches[0][0]);
        }
        throw new UnexpectedTokenException($mExpression, $this->peek(5), 'expression', $this->lineNumber);
    }

    /**
     * @return Comment|false
     */
    public function consumeComment()
    {
        $mComment = false;
        if ($this->comes('/*')) {
            $lineNumber = $this->lineNumber;
            $this->consume(1);
            $mComment = '';
            while (($char = $this->consume(1)) !== '') {
                $mComment .= $char;
                if ($this->comes('*/')) {
                    $this->consume(2);
                    break;
                }
            }
        }

        if ($mComment !== false) {
            // We skip the * which was included in the comment.
            return new Comment(\substr($mComment, 1), $lineNumber);
        }

        return $mComment;
    }

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

    /**
     * @param array<array-key, string>|string $aEnd
     * @param string $bIncludeEnd
     * @param string $consumeEnd
     * @param array<int, Comment> $comments
     *
     * @throws UnexpectedEOFException
     * @throws UnexpectedTokenException
     */
    public function consumeUntil($aEnd, $bIncludeEnd = false, $consumeEnd = false, array &$comments = []): string
    {
        $aEnd = \is_array($aEnd) ? $aEnd : [$aEnd];
        $out = '';
        $start = $this->currentPosition;

        while (!$this->isEnd()) {
            $char = $this->consume(1);
            if (\in_array($char, $aEnd, true)) {
                if ($bIncludeEnd) {
                    $out .= $char;
                } elseif (!$consumeEnd) {
                    $this->currentPosition -= $this->strlen($char);
                }
                return $out;
            }
            $out .= $char;
            if ($comment = $this->consumeComment()) {
                $comments[] = $comment;
            }
        }

        if (\in_array(self::EOF, $aEnd, true)) {
            return $out;
        }

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

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

    /**
     * @param string $sString1
     * @param string $sString2
     * @param bool $bCaseInsensitive
     */
    public function streql($sString1, $sString2, $bCaseInsensitive = true): bool
    {
        if ($bCaseInsensitive) {
            return $this->strtolower($sString1) === $this->strtolower($sString2);
        } else {
            return $sString1 === $sString2;
        }
    }

    /**
     * @param int $iAmount
     */
    public function backtrack($iAmount): void
    {
        $this->currentPosition -= $iAmount;
    }

    /**
     * @param string $sString
     */
    public function strlen($sString): int
    {
        if ($this->parserSettings->bMultibyteSupport) {
            return \mb_strlen($sString, $this->charset);
        } else {
            return \strlen($sString);
        }
    }

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

    /**
     * @param string $sString
     */
    private function strtolower($sString): string
    {
        if ($this->parserSettings->bMultibyteSupport) {
            return \mb_strtolower($sString, $this->charset);
        } else {
            return \strtolower($sString);
        }
    }

    /**
     * @param string $sString
     *
     * @return array<int, string>
     *
     * @throws SourceException if the charset is UTF-8 and the string contains invalid byte sequences
     */
    private function strsplit($sString)
    {
        if ($this->parserSettings->bMultibyteSupport) {
            if ($this->streql($this->charset, 'utf-8')) {
                $result = \preg_split('//u', $sString, -1, PREG_SPLIT_NO_EMPTY);
                if (!\is_array($result)) {
                    throw new SourceException('`preg_split` failed with error ' . \preg_last_error());
                }
                return $result;
            } else {
                $length = \mb_strlen($sString, $this->charset);
                $result = [];
                for ($i = 0; $i < $length; ++$i) {
                    $result[] = \mb_substr($sString, $i, 1, $this->charset);
                }
                return $result;
            }
        } else {
            if ($sString === '') {
                return [];
            } else {
                return \str_split($sString);
            }
        }
    }

    /**
     * @param string $sString
     * @param string $sNeedle
     * @param int $offset
     *
     * @return int|false
     */
    private function strpos($sString, $sNeedle, $offset)
    {
        if ($this->parserSettings->bMultibyteSupport) {
            return \mb_strpos($sString, $sNeedle, $offset, $this->charset);
        } else {
            return \strpos($sString, $sNeedle, $offset);
        }
    }
}

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
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
49	*/
50	private $length;
51
52	/**
53	* @var int
54	*/
55	private $lineNumber;
56
57	/**
58	* @param string $text the complete CSS as text (i.e., usually the contents of a CSS file)
59	* @param int<0, max> $lineNumber
60	*/
61	public function __construct($text, Settings $parserSettings, $lineNumber = 1)	×
62	{
63	$this->parserSettings = $parserSettings;	×
64	$this->text = $text;	×
65	$this->lineNumber = $lineNumber;	×
66	$this->setCharset($this->parserSettings->sDefaultCharset);	×
67	}	×
68
69	/**
70	* Sets the charset to be used if the CSS does not contain an `@charset` declaration.
71	*
72	* @throws SourceException if the charset is UTF-8 and the content has invalid byte sequences
73	*/
74	public function setCharset(string $charset): void	×
75	{
76	$this->charset = $charset;	×
77	$this->characters = $this->strsplit($this->text);	×
78	$this->length = \count($this->characters);	×
79	}	×
80
81	/**
82	* @return int
83	*/
84	public function currentLine()	×
85	{
86	return $this->lineNumber;	×
87	}
88
89	/**
90	* @return int
91	*/
92	public function currentColumn()	×
93	{
94	return $this->currentPosition;	×
95	}
96
97	/**
98	* @return Settings
99	*/
100	public function getSettings()	×
101	{
102	return $this->parserSettings;	×
103	}
104
105	public function anchor(): Anchor	×
106	{
107	return new Anchor($this->currentPosition, $this);	×
108	}
109
110	/**
111	* @param int $position
112	*/
113	public function setPosition($position): void	×
114	{
115	$this->currentPosition = $position;	×
116	}	×
117
118	/**
119	* @param bool $ignoreCase
120	*
121	* @return string
122	*
123	* @throws UnexpectedTokenException
124	*/
125	public function parseIdentifier($ignoreCase = true)	×
126	{
127	if ($this->isEnd()) {	×
128	throw new UnexpectedEOFException('', '', 'identifier', $this->lineNumber);	×
129	}
130	$result = $this->parseCharacter(true);	×
131	if ($result === null) {	×
132	throw new UnexpectedTokenException('', $this->peek(5), 'identifier', $this->lineNumber);	×
133	}
134	$character = null;	×
135	while (!$this->isEnd() && ($character = $this->parseCharacter(true)) !== null) {	×
136	if (\preg_match('/[a-zA-Z0-9\\x{00A0}-\\x{FFFF}_-]/Sux', $character)) {	×
137	$result .= $character;	×
138	} else {
139	$result .= '\\' . $character;	×
140	}
141	}
142	if ($ignoreCase) {	×
143	$result = $this->strtolower($result);	×
144	}
145	return $result;	×
146	}
147
148	/**
149	* @param bool $isForIdentifier
150	*
151	* @return string\|null
152	*
153	* @throws UnexpectedEOFException
154	* @throws UnexpectedTokenException
155	*/
156	public function parseCharacter($isForIdentifier)	×
157	{
158	if ($this->peek() === '\\') {	×
159	if (
160	$isForIdentifier && $this->parserSettings->bLenientParsing	×
161	&& ($this->comes('\\0') \|\| $this->comes('\\9'))	×
162	) {
163	// Non-strings can contain \0 or \9 which is an IE hack supported in lenient parsing.
164	return null;	×
165	}
166	$this->consume('\\');	×
167	if ($this->comes('\\n') \|\| $this->comes('\\r')) {	×
168	return '';	×
169	}
170	if (\preg_match('/[0-9a-fA-F]/Su', $this->peek()) === 0) {	×
171	return $this->consume(1);	×
172	}
173	$sUnicode = $this->consumeExpression('/^[0-9a-fA-F]{1,6}/u', 6);	×
174	if ($this->strlen($sUnicode) < 6) {	×
175	// Consume whitespace after incomplete unicode escape
176	if (\preg_match('/\\s/isSu', $this->peek())) {	×
177	if ($this->comes('\\r\\n')) {	×
178	$this->consume(2);	×
179	} else {
180	$this->consume(1);	×
181	}
182	}
183	}
184	$iUnicode = \intval($sUnicode, 16);	×
185	$sUtf32 = '';	×
186	for ($i = 0; $i < 4; ++$i) {	×
187	$sUtf32 .= \chr($iUnicode & 0xff);	×
188	$iUnicode = $iUnicode >> 8;	×
189	}
190	return \iconv('utf-32le', $this->charset, $sUtf32);	×
191	}
192	if ($isForIdentifier) {	×
193	$peek = \ord($this->peek());	×
194	// Ranges: a-z A-Z 0-9 - _
195	if (
196	($peek >= 97 && $peek <= 122)	×
197	\|\| ($peek >= 65 && $peek <= 90)	×
198	\|\| ($peek >= 48 && $peek <= 57)	×
199	\|\| ($peek === 45)	×
200	\|\| ($peek === 95)	×
201	\|\| ($peek > 0xa1)	×
202	) {
203	return $this->consume(1);	×
204	}
205	} else {
206	return $this->consume(1);	×
207	}
208	return null;	×
209	}
210
211	/**
212	* @return array<int, Comment>\|void
213	*
214	* @throws UnexpectedEOFException
215	* @throws UnexpectedTokenException
216	*/
217	public function consumeWhiteSpace(): array	×
218	{
219	$comments = [];	×
220	do {
221	while (\preg_match('/\\s/isSu', $this->peek()) === 1) {	×
222	$this->consume(1);	×
223	}
224	if ($this->parserSettings->bLenientParsing) {	×
225	try {
226	$oComment = $this->consumeComment();	×
227	} catch (UnexpectedEOFException $e) {	×
228	$this->currentPosition = $this->length;	×
229	return $comments;	×
230	}
231	} else {
232	$oComment = $this->consumeComment();	×
233	}
234	if ($oComment !== false) {	×
235	$comments[] = $oComment;	×
236	}
237	} while ($oComment !== false);	×
238	return $comments;	×
239	}
240
241	/**
242	* @param string $sString
243	* @param bool $bCaseInsensitive
244	*/
245	public function comes($sString, $bCaseInsensitive = false): bool	×
246	{
247	$sPeek = $this->peek(\strlen($sString));	×
248	return ($sPeek == '')	×
249	? false	×
250	: $this->streql($sPeek, $sString, $bCaseInsensitive);	×
251	}
252
253	/**
254	* @param int $length
255	* @param int $offset
256	*/
257	public function peek($length = 1, $offset = 0): string	×
258	{
259	$offset += $this->currentPosition;	×
260	if ($offset >= $this->length) {	×
261	return '';	×
262	}
263	return $this->substr($offset, $length);	×
264	}
265
266	/**
267	* @param int $mValue
268	*
269	* @throws UnexpectedEOFException
270	* @throws UnexpectedTokenException
271	*/
272	public function consume($mValue = 1): string	×
273	{
274	if (\is_string($mValue)) {	×
275	$iLineCount = \substr_count($mValue, "\n");	×
276	$length = $this->strlen($mValue);	×
277	if (!$this->streql($this->substr($this->currentPosition, $length), $mValue)) {	×
278	throw new UnexpectedTokenException(	×
279	$mValue,	×
280	$this->peek(\max($length, 5)),	×
281	'literal',	×
282	$this->lineNumber	×
283	);
284	}
285	$this->lineNumber += $iLineCount;	×
286	$this->currentPosition += $this->strlen($mValue);	×
287	return $mValue;	×
288	} else {
289	if ($this->currentPosition + $mValue > $this->length) {	×
290	throw new UnexpectedEOFException((string) $mValue, $this->peek(5), 'count', $this->lineNumber);	×
291	}
292	$result = $this->substr($this->currentPosition, $mValue);	×
293	$iLineCount = \substr_count($result, "\n");	×
294	$this->lineNumber += $iLineCount;	×
295	$this->currentPosition += $mValue;	×
296	return $result;	×
297	}
298	}
299
300	/**
301	* @param string $mExpression
302	* @param int\|null $iMaxLength
303	*
304	* @throws UnexpectedEOFException
305	* @throws UnexpectedTokenException
306	*/
307	public function consumeExpression($mExpression, $iMaxLength = null): string	×
308	{
309	$aMatches = null;	×
310	$sInput = $iMaxLength !== null ? $this->peek($iMaxLength) : $this->inputLeft();	×
311	if (\preg_match($mExpression, $sInput, $aMatches, PREG_OFFSET_CAPTURE) === 1) {	×
312	return $this->consume($aMatches[0][0]);	×
313	}
314	throw new UnexpectedTokenException($mExpression, $this->peek(5), 'expression', $this->lineNumber);	×
315	}
316
317	/**
318	* @return Comment\|false
319	*/
320	public function consumeComment()	×
321	{
322	$mComment = false;	×
323	if ($this->comes('/*')) {	×
324	$lineNumber = $this->lineNumber;	×
325	$this->consume(1);	×
326	$mComment = '';	×
327	while (($char = $this->consume(1)) !== '') {	×
328	$mComment .= $char;	×
329	if ($this->comes('*/')) {	×
330	$this->consume(2);	×
331	break;	×
332	}
333	}
334	}
335
336	if ($mComment !== false) {	×
337	// We skip the * which was included in the comment.
338	return new Comment(\substr($mComment, 1), $lineNumber);	×
339	}
340
341	return $mComment;	×
342	}
343
344	public function isEnd(): bool	×
345	{
346	return $this->currentPosition >= $this->length;	×
347	}
348
349	/**
350	* @param array<array-key, string>\|string $aEnd
351	* @param string $bIncludeEnd
352	* @param string $consumeEnd
353	* @param array<int, Comment> $comments
354	*
355	* @throws UnexpectedEOFException
356	* @throws UnexpectedTokenException
357	*/
358	public function consumeUntil($aEnd, $bIncludeEnd = false, $consumeEnd = false, array &$comments = []): string	×
359	{
360	$aEnd = \is_array($aEnd) ? $aEnd : [$aEnd];	×
361	$out = '';	×
362	$start = $this->currentPosition;	×
363
364	while (!$this->isEnd()) {	×
365	$char = $this->consume(1);	×
366	if (\in_array($char, $aEnd, true)) {	×
367	if ($bIncludeEnd) {	×
368	$out .= $char;	×
369	} elseif (!$consumeEnd) {	×
370	$this->currentPosition -= $this->strlen($char);	×
371	}
372	return $out;	×
373	}
374	$out .= $char;	×
375	if ($comment = $this->consumeComment()) {	×
376	$comments[] = $comment;	×
377	}
378	}
379
380	if (\in_array(self::EOF, $aEnd, true)) {	×
381	return $out;	×
382	}
383
384	$this->currentPosition = $start;	×
385	throw new UnexpectedEOFException(	×
386	'One of ("' . \implode('","', $aEnd) . '")',	×
387	$this->peek(5),	×
388	'search',	×
389	$this->lineNumber	×
390	);
391	}
392
393	private function inputLeft(): string	×
394	{
395	return $this->substr($this->currentPosition, -1);	×
396	}
397
398	/**
399	* @param string $sString1
400	* @param string $sString2
401	* @param bool $bCaseInsensitive
402	*/
403	public function streql($sString1, $sString2, $bCaseInsensitive = true): bool	×
404	{
405	if ($bCaseInsensitive) {	×
406	return $this->strtolower($sString1) === $this->strtolower($sString2);	×
407	} else {
408	return $sString1 === $sString2;	×
409	}
410	}
411
412	/**
413	* @param int $iAmount
414	*/
415	public function backtrack($iAmount): void	×
416	{
417	$this->currentPosition -= $iAmount;	×
418	}	×
419
420	/**
421	* @param string $sString
422	*/
423	public function strlen($sString): int	×
424	{
425	if ($this->parserSettings->bMultibyteSupport) {	×
426	return \mb_strlen($sString, $this->charset);	×
427	} else {
428	return \strlen($sString);	×
429	}
430	}
431
432	/**
433	* @param int $iStart
434	* @param int $length
435	*/
436	private function substr($iStart, $length): string	×
437	{
438	if ($length < 0) {	×
439	$length = $this->length - $iStart + $length;	×
440	}
441	if ($iStart + $length > $this->length) {	×
442	$length = $this->length - $iStart;	×
443	}
444	$result = '';	×
445	while ($length > 0) {	×
446	$result .= $this->characters[$iStart];	×
447	$iStart++;	×
448	$length--;	×
449	}
450	return $result;	×
451	}
452
453	/**
454	* @param string $sString
455	*/
456	private function strtolower($sString): string	×
457	{
458	if ($this->parserSettings->bMultibyteSupport) {	×
459	return \mb_strtolower($sString, $this->charset);	×
460	} else {
461	return \strtolower($sString);	×
462	}
463	}
464
465	/**
466	* @param string $sString
467	*
468	* @return array<int, string>
469	*
470	* @throws SourceException if the charset is UTF-8 and the string contains invalid byte sequences
471	*/
472	private function strsplit($sString)	×
473	{
474	if ($this->parserSettings->bMultibyteSupport) {	×
475	if ($this->streql($this->charset, 'utf-8')) {	×
476	$result = \preg_split('//u', $sString, -1, PREG_SPLIT_NO_EMPTY);	×
477	if (!\is_array($result)) {	×
478	throw new SourceException('`preg_split` failed with error ' . \preg_last_error());	×
479	}
480	return $result;	×
481	} else {
482	$length = \mb_strlen($sString, $this->charset);	×
483	$result = [];	×
484	for ($i = 0; $i < $length; ++$i) {	×
485	$result[] = \mb_substr($sString, $i, 1, $this->charset);	×
486	}
487	return $result;	×
488	}
489	} else {
490	if ($sString === '') {	×
491	return [];	×
492	} else {
493	return \str_split($sString);	×
494	}
495	}
496	}
497
498	/**
499	* @param string $sString
500	* @param string $sNeedle
501	* @param int $offset
502	*
503	* @return int\|false
504	*/
505	private function strpos($sString, $sNeedle, $offset)	×
506	{
507	if ($this->parserSettings->bMultibyteSupport) {	×
508	return \mb_strpos($sString, $sNeedle, $offset, $this->charset);	×
509	} else {
510	return \strpos($sString, $sNeedle, $offset);	×
511	}
512	}
513	}

MyIntervals / PHP-CSS-Parser / 13433077716

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