13395553485

Committed 18 Feb 2025 04:36PM UTC coverage: 51.335%. Remained the same

Build # 13395553485

Build Type

push

github

Committed by

web-flow

Commit Message

[CLEANUP] Drop redundant `@internal` annotations (#951)

If a whole class is `@internal`, there is no need to mark
the individual methods, properties or constants as `@internal`.

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961 of 1872 relevant lines covered (51.34%)

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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.
     *
     * @param string $charset
     */
    public function setCharset($charset): void
    {
        $this->charset = $charset;
        $this->characters = $this->strsplit($this->text);
        if (\is_array($this->characters)) {
            $this->length = \count($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 $bIgnoreCase
     *
     * @return string
     *
     * @throws UnexpectedTokenException
     */
    public function parseIdentifier($bIgnoreCase = 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);
        }
        $sCharacter = null;
        while (!$this->isEnd() && ($sCharacter = $this->parseCharacter(true)) !== null) {
            if (\preg_match('/[a-zA-Z0-9\\x{00A0}-\\x{FFFF}_-]/Sux', $sCharacter)) {
                $result .= $sCharacter;
            } else {
                $result .= '\\' . $sCharacter;
            }
        }
        if ($bIgnoreCase) {
            $result = $this->strtolower($result);
        }
        return $result;
    }

    /**
     * @param bool $bIsForIdentifier
     *
     * @return string|null
     *
     * @throws UnexpectedEOFException
     * @throws UnexpectedTokenException
     */
    public function parseCharacter($bIsForIdentifier)
    {
        if ($this->peek() === '\\') {
            if (
                $bIsForIdentifier && $this->parserSettings->bLenientParsing
                && ($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, $sUtf32);
        }
        if ($bIsForIdentifier) {
            $peek = \ord($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 $iOffset
     */
    public function peek($length = 1, $iOffset = 0): string
    {
        $iOffset += $this->currentPosition;
        if ($iOffset >= $this->length) {
            return '';
        }
        return $this->substr($iOffset, $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 $sString
     *
     * @return array<int, string>
     */
    private function strsplit($sString)
    {
        if ($this->parserSettings->bMultibyteSupport) {
            if ($this->streql($this->charset, 'utf-8')) {
                return \preg_split('//u', $sString, -1, PREG_SPLIT_NO_EMPTY);
            } 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 $iOffset
     *
     * @return int|false
     */
    private function strpos($sString, $sNeedle, $iOffset)
    {
        if ($this->parserSettings->bMultibyteSupport) {
            return \mb_strpos($sString, $sNeedle, $iOffset, $this->charset);
        } else {
            return \strpos($sString, $sNeedle, $iOffset);
        }
    }
}

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

MyIntervals / PHP-CSS-Parser / 13395553485

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