windpress / vendor / symfony / string / ByteString.php

ByteString.php in WindPress – Tailwind CSS integration for WordPress 3.0.5, at vendor/symfony/string/ByteString.php

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1	<?php
2
3	/*
4	* This file is part of the Symfony package.
5	*
6	* (c) Fabien Potencier <fabien@symfony.com>
7	*
8	* For the full copyright and license information, please view the LICENSE
9	* file that was distributed with this source code.
10	*/
11	namespace WindPressPackages\Symfony\Component\String;
12
13	use WindPressPackages\Symfony\Component\String\Exception\ExceptionInterface;
14	use WindPressPackages\Symfony\Component\String\Exception\InvalidArgumentException;
15	use WindPressPackages\Symfony\Component\String\Exception\RuntimeException;
16	/**
17	* Represents a binary-safe string of bytes.
18	*
19	* @author Nicolas Grekas <p@tchwork.com>
20	* @author Hugo Hamon <hugohamon@neuf.fr>
21	*
22	* @throws ExceptionInterface
23	*/
24	class ByteString extends AbstractString
25	{
26	private const ALPHABET_ALPHANUMERIC = '123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz';
27	public function __construct(string $string = '')
28	{
29	$this->string = $string;
30	}
31	/*
32	* The following method was derived from code of the Hack Standard Library (v4.40 - 2020-05-03)
33	*
34	* https://github.com/hhvm/hsl/blob/80a42c02f036f72a42f0415e80d6b847f4bf62d5/src/random/private.php#L16
35	*
36	* Code subject to the MIT license (https://github.com/hhvm/hsl/blob/master/LICENSE).
37	*
38	* Copyright (c) 2004-2020, Facebook, Inc. (https://www.facebook.com/)
39	*/
40	public static function fromRandom(int $length = 16, ?string $alphabet = null) : self
41	{
42	if ($length <= 0) {
43	throw new InvalidArgumentException(\sprintf('A strictly positive length is expected, "%d" given.', $length));
44	}
45	$alphabet = $alphabet ?? self::ALPHABET_ALPHANUMERIC;
46	$alphabetSize = \strlen($alphabet);
47	$bits = (int) \ceil(\log($alphabetSize, 2.0));
48	if ($bits <= 0 \|\| $bits > 56) {
49	throw new InvalidArgumentException('The length of the alphabet must in the [2^1, 2^56] range.');
50	}
51	$ret = '';
52	while ($length > 0) {
53	$urandomLength = (int) \ceil(2 * $length * $bits / 8.0);
54	$data = \random_bytes($urandomLength);
55	$unpackedData = 0;
56	$unpackedBits = 0;
57	for ($i = 0; $i < $urandomLength && $length > 0; ++$i) {
58	// Unpack 8 bits
59	$unpackedData = $unpackedData << 8 \| \ord($data[$i]);
60	$unpackedBits += 8;
61	// While we have enough bits to select a character from the alphabet, keep
62	// consuming the random data
63	for (; $unpackedBits >= $bits && $length > 0; $unpackedBits -= $bits) {
64	$index = $unpackedData & (1 << $bits) - 1;
65	$unpackedData >>= $bits;
66	// Unfortunately, the alphabet size is not necessarily a power of two.
67	// Worst case, it is 2^k + 1, which means we need (k+1) bits and we
68	// have around a 50% chance of missing as k gets larger
69	if ($index < $alphabetSize) {
70	$ret .= $alphabet[$index];
71	--$length;
72	}
73	}
74	}
75	}
76	return new static($ret);
77	}
78	public function bytesAt(int $offset) : array
79	{
80	$str = $this->string[$offset] ?? '';
81	return '' === $str ? [] : [\ord($str)];
82	}
83	public function append(string ...$suffix) : parent
84	{
85	$str = clone $this;
86	$str->string .= 1 >= \count($suffix) ? $suffix[0] ?? '' : \implode('', $suffix);
87	return $str;
88	}
89	public function camel() : parent
90	{
91	$str = clone $this;
92	$parts = \explode(' ', \trim(\ucwords(\preg_replace('/[^a-zA-Z0-9\\x7f-\\xff]++/', ' ', $this->string))));
93	$parts[0] = 1 !== \strlen($parts[0]) && \ctype_upper($parts[0]) ? $parts[0] : \lcfirst($parts[0]);
94	$str->string = \implode('', $parts);
95	return $str;
96	}
97	public function chunk(int $length = 1) : array
98	{
99	if (1 > $length) {
100	throw new InvalidArgumentException('The chunk length must be greater than zero.');
101	}
102	if ('' === $this->string) {
103	return [];
104	}
105	$str = clone $this;
106	$chunks = [];
107	foreach (\str_split($this->string, $length) as $chunk) {
108	$str->string = $chunk;
109	$chunks[] = clone $str;
110	}
111	return $chunks;
112	}
113	public function endsWith($suffix) : bool
114	{
115	if ($suffix instanceof parent) {
116	$suffix = $suffix->string;
117	} elseif (\is_array($suffix) \|\| $suffix instanceof \Traversable) {
118	return parent::endsWith($suffix);
119	} else {
120	$suffix = (string) $suffix;
121	}
122	return '' !== $suffix && \strlen($this->string) >= \strlen($suffix) && 0 === \substr_compare($this->string, $suffix, -\strlen($suffix), null, $this->ignoreCase);
123	}
124	public function equalsTo($string) : bool
125	{
126	if ($string instanceof parent) {
127	$string = $string->string;
128	} elseif (\is_array($string) \|\| $string instanceof \Traversable) {
129	return parent::equalsTo($string);
130	} else {
131	$string = (string) $string;
132	}
133	if ('' !== $string && $this->ignoreCase) {
134	return 0 === \strcasecmp($string, $this->string);
135	}
136	return $string === $this->string;
137	}
138	public function folded() : parent
139	{
140	$str = clone $this;
141	$str->string = \strtolower($str->string);
142	return $str;
143	}
144	public function indexOf($needle, int $offset = 0) : ?int
145	{
146	if ($needle instanceof parent) {
147	$needle = $needle->string;
148	} elseif (\is_array($needle) \|\| $needle instanceof \Traversable) {
149	return parent::indexOf($needle, $offset);
150	} else {
151	$needle = (string) $needle;
152	}
153	if ('' === $needle) {
154	return null;
155	}
156	$i = $this->ignoreCase ? \stripos($this->string, $needle, $offset) : \strpos($this->string, $needle, $offset);
157	return \false === $i ? null : $i;
158	}
159	public function indexOfLast($needle, int $offset = 0) : ?int
160	{
161	if ($needle instanceof parent) {
162	$needle = $needle->string;
163	} elseif (\is_array($needle) \|\| $needle instanceof \Traversable) {
164	return parent::indexOfLast($needle, $offset);
165	} else {
166	$needle = (string) $needle;
167	}
168	if ('' === $needle) {
169	return null;
170	}
171	$i = $this->ignoreCase ? \strripos($this->string, $needle, $offset) : \strrpos($this->string, $needle, $offset);
172	return \false === $i ? null : $i;
173	}
174	public function isUtf8() : bool
175	{
176	return '' === $this->string \|\| \preg_match('//u', $this->string);
177	}
178	public function join(array $strings, ?string $lastGlue = null) : parent
179	{
180	$str = clone $this;
181	$tail = null !== $lastGlue && 1 < \count($strings) ? $lastGlue . \array_pop($strings) : '';
182	$str->string = \implode($this->string, $strings) . $tail;
183	return $str;
184	}
185	public function length() : int
186	{
187	return \strlen($this->string);
188	}
189	public function lower() : parent
190	{
191	$str = clone $this;
192	$str->string = \strtolower($str->string);
193	return $str;
194	}
195	public function match(string $regexp, int $flags = 0, int $offset = 0) : array
196	{
197	$match = (\PREG_PATTERN_ORDER \| \PREG_SET_ORDER) & $flags ? 'preg_match_all' : 'preg_match';
198	if ($this->ignoreCase) {
199	$regexp .= 'i';
200	}
201	\set_error_handler(static function ($t, $m) {
202	throw new InvalidArgumentException($m);
203	});
204	try {
205	if (\false === $match($regexp, $this->string, $matches, $flags \| \PREG_UNMATCHED_AS_NULL, $offset)) {
206	$lastError = \preg_last_error();
207	foreach (\get_defined_constants(\true)['pcre'] as $k => $v) {
208	if ($lastError === $v && '_ERROR' === \substr($k, -6)) {
209	throw new RuntimeException('Matching failed with ' . $k . '.');
210	}
211	}
212	throw new RuntimeException('Matching failed with unknown error code.');
213	}
214	} finally {
215	\restore_error_handler();
216	}
217	return $matches;
218	}
219	public function padBoth(int $length, string $padStr = ' ') : parent
220	{
221	$str = clone $this;
222	$str->string = \str_pad($this->string, $length, $padStr, \STR_PAD_BOTH);
223	return $str;
224	}
225	public function padEnd(int $length, string $padStr = ' ') : parent
226	{
227	$str = clone $this;
228	$str->string = \str_pad($this->string, $length, $padStr, \STR_PAD_RIGHT);
229	return $str;
230	}
231	public function padStart(int $length, string $padStr = ' ') : parent
232	{
233	$str = clone $this;
234	$str->string = \str_pad($this->string, $length, $padStr, \STR_PAD_LEFT);
235	return $str;
236	}
237	public function prepend(string ...$prefix) : parent
238	{
239	$str = clone $this;
240	$str->string = (1 >= \count($prefix) ? $prefix[0] ?? '' : \implode('', $prefix)) . $str->string;
241	return $str;
242	}
243	public function replace(string $from, string $to) : parent
244	{
245	$str = clone $this;
246	if ('' !== $from) {
247	$str->string = $this->ignoreCase ? \str_ireplace($from, $to, $this->string) : \str_replace($from, $to, $this->string);
248	}
249	return $str;
250	}
251	public function replaceMatches(string $fromRegexp, $to) : parent
252	{
253	if ($this->ignoreCase) {
254	$fromRegexp .= 'i';
255	}
256	if (\is_array($to)) {
257	if (!\is_callable($to)) {
258	throw new \TypeError(\sprintf('Argument 2 passed to "%s::replaceMatches()" must be callable, array given.', static::class));
259	}
260	$replace = 'preg_replace_callback';
261	} else {
262	$replace = $to instanceof \Closure ? 'preg_replace_callback' : 'preg_replace';
263	}
264	\set_error_handler(static function ($t, $m) {
265	throw new InvalidArgumentException($m);
266	});
267	try {
268	if (null === ($string = $replace($fromRegexp, $to, $this->string))) {
269	$lastError = \preg_last_error();
270	foreach (\get_defined_constants(\true)['pcre'] as $k => $v) {
271	if ($lastError === $v && '_ERROR' === \substr($k, -6)) {
272	throw new RuntimeException('Matching failed with ' . $k . '.');
273	}
274	}
275	throw new RuntimeException('Matching failed with unknown error code.');
276	}
277	} finally {
278	\restore_error_handler();
279	}
280	$str = clone $this;
281	$str->string = $string;
282	return $str;
283	}
284	public function reverse() : parent
285	{
286	$str = clone $this;
287	$str->string = \strrev($str->string);
288	return $str;
289	}
290	public function slice(int $start = 0, ?int $length = null) : parent
291	{
292	$str = clone $this;
293	$str->string = (string) \substr($this->string, $start, $length ?? \PHP_INT_MAX);
294	return $str;
295	}
296	public function snake() : parent
297	{
298	$str = $this->camel();
299	$str->string = \strtolower(\preg_replace(['/([A-Z]+)([A-Z][a-z])/', '/([a-z\\d])([A-Z])/'], 'WindPressPackages\\1_\\2', $str->string));
300	return $str;
301	}
302	public function splice(string $replacement, int $start = 0, ?int $length = null) : parent
303	{
304	$str = clone $this;
305	$str->string = \substr_replace($this->string, $replacement, $start, $length ?? \PHP_INT_MAX);
306	return $str;
307	}
308	public function split(string $delimiter, ?int $limit = null, ?int $flags = null) : array
309	{
310	if (1 > ($limit = $limit ?? \PHP_INT_MAX)) {
311	throw new InvalidArgumentException('Split limit must be a positive integer.');
312	}
313	if ('' === $delimiter) {
314	throw new InvalidArgumentException('Split delimiter is empty.');
315	}
316	if (null !== $flags) {
317	return parent::split($delimiter, $limit, $flags);
318	}
319	$str = clone $this;
320	$chunks = $this->ignoreCase ? \preg_split('{' . \preg_quote($delimiter) . '}iD', $this->string, $limit) : \explode($delimiter, $this->string, $limit);
321	foreach ($chunks as &$chunk) {
322	$str->string = $chunk;
323	$chunk = clone $str;
324	}
325	return $chunks;
326	}
327	public function startsWith($prefix) : bool
328	{
329	if ($prefix instanceof parent) {
330	$prefix = $prefix->string;
331	} elseif (!\is_string($prefix)) {
332	return parent::startsWith($prefix);
333	}
334	return '' !== $prefix && 0 === ($this->ignoreCase ? \strncasecmp($this->string, $prefix, \strlen($prefix)) : \strncmp($this->string, $prefix, \strlen($prefix)));
335	}
336	public function title(bool $allWords = \false) : parent
337	{
338	$str = clone $this;
339	$str->string = $allWords ? \ucwords($str->string) : \ucfirst($str->string);
340	return $str;
341	}
342	public function toUnicodeString(?string $fromEncoding = null) : UnicodeString
343	{
344	return new UnicodeString($this->toCodePointString($fromEncoding)->string);
345	}
346	public function toCodePointString(?string $fromEncoding = null) : CodePointString
347	{
348	$u = new CodePointString();
349	if (\in_array($fromEncoding, [null, 'utf8', 'utf-8', 'UTF8', 'UTF-8'], \true) && \preg_match('//u', $this->string)) {
350	$u->string = $this->string;
351	return $u;
352	}
353	\set_error_handler(static function ($t, $m) {
354	throw new InvalidArgumentException($m);
355	});
356	try {
357	try {
358	$validEncoding = \false !== \mb_detect_encoding($this->string, $fromEncoding ?? 'Windows-1252', \true);
359	} catch (InvalidArgumentException $e) {
360	if (!\function_exists('iconv')) {
361	throw $e;
362	}
363	$u->string = \iconv($fromEncoding ?? 'Windows-1252', 'UTF-8', $this->string);
364	return $u;
365	}
366	} finally {
367	\restore_error_handler();
368	}
369	if (!$validEncoding) {
370	throw new InvalidArgumentException(\sprintf('Invalid "%s" string.', $fromEncoding ?? 'Windows-1252'));
371	}
372	$u->string = \mb_convert_encoding($this->string, 'UTF-8', $fromEncoding ?? 'Windows-1252');
373	return $u;
374	}
375	public function trim(string $chars = " \t\n\r\x00\v\f") : parent
376	{
377	$str = clone $this;
378	$str->string = \trim($str->string, $chars);
379	return $str;
380	}
381	public function trimEnd(string $chars = " \t\n\r\x00\v\f") : parent
382	{
383	$str = clone $this;
384	$str->string = \rtrim($str->string, $chars);
385	return $str;
386	}
387	public function trimStart(string $chars = " \t\n\r\x00\v\f") : parent
388	{
389	$str = clone $this;
390	$str->string = \ltrim($str->string, $chars);
391	return $str;
392	}
393	public function upper() : parent
394	{
395	$str = clone $this;
396	$str->string = \strtoupper($str->string);
397	return $str;
398	}
399	public function width(bool $ignoreAnsiDecoration = \true) : int
400	{
401	$string = \preg_match('//u', $this->string) ? $this->string : \preg_replace('/[\\x80-\\xFF]/', '?', $this->string);
402	return (new CodePointString($string))->width($ignoreAnsiDecoration);
403	}
404	}
405