/home/mip/mip/public/img/credit/datatables/Util.tar
ArrayConverter.php 0000644 00000007271 15152054422 0010232 0 ustar 00 <?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\Translation\Util;
/**
* ArrayConverter generates tree like structure from a message catalogue.
* e.g. this
* 'foo.bar1' => 'test1',
* 'foo.bar2' => 'test2'
* converts to follows:
* foo:
* bar1: test1
* bar2: test2.
*
* @author Gennady Telegin <gtelegin@gmail.com>
*/
class ArrayConverter
{
/**
* Converts linear messages array to tree-like array.
* For example this array('foo.bar' => 'value') will be converted to ['foo' => ['bar' => 'value']].
*
* @param array $messages Linear messages array
*/
public static function expandToTree(array $messages): array
{
$tree = [];
foreach ($messages as $id => $value) {
$referenceToElement = &self::getElementByPath($tree, self::getKeyParts($id));
$referenceToElement = $value;
unset($referenceToElement);
}
return $tree;
}
private static function &getElementByPath(array &$tree, array $parts): mixed
{
$elem = &$tree;
$parentOfElem = null;
foreach ($parts as $i => $part) {
if (isset($elem[$part]) && \is_string($elem[$part])) {
/* Process next case:
* 'foo': 'test1',
* 'foo.bar': 'test2'
*
* $tree['foo'] was string before we found array {bar: test2}.
* Treat new element as string too, e.g. add $tree['foo.bar'] = 'test2';
*/
$elem = &$elem[implode('.', \array_slice($parts, $i))];
break;
}
$parentOfElem = &$elem;
$elem = &$elem[$part];
}
if ($elem && \is_array($elem) && $parentOfElem) {
/* Process next case:
* 'foo.bar': 'test1'
* 'foo': 'test2'
*
* $tree['foo'] was array = {bar: 'test1'} before we found string constant `foo`.
* Cancel treating $tree['foo'] as array and cancel back it expansion,
* e.g. make it $tree['foo.bar'] = 'test1' again.
*/
self::cancelExpand($parentOfElem, $part, $elem);
}
return $elem;
}
private static function cancelExpand(array &$tree, string $prefix, array $node): void
{
$prefix .= '.';
foreach ($node as $id => $value) {
if (\is_string($value)) {
$tree[$prefix.$id] = $value;
} else {
self::cancelExpand($tree, $prefix.$id, $value);
}
}
}
/**
* @return string[]
*/
private static function getKeyParts(string $key): array
{
$parts = explode('.', $key);
$partsCount = \count($parts);
$result = [];
$buffer = '';
foreach ($parts as $index => $part) {
if (0 === $index && '' === $part) {
$buffer = '.';
continue;
}
if ($index === $partsCount - 1 && '' === $part) {
$buffer .= '.';
$result[] = $buffer;
continue;
}
if (isset($parts[$index + 1]) && '' === $parts[$index + 1]) {
$buffer .= $part;
continue;
}
if ($buffer) {
$result[] = $buffer.$part;
$buffer = '';
continue;
}
$result[] = $part;
}
return $result;
}
}
XliffUtils.php 0000644 00000014473 15152054422 0007357 0 ustar 00 <?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\Translation\Util;
use Symfony\Component\Translation\Exception\InvalidArgumentException;
use Symfony\Component\Translation\Exception\InvalidResourceException;
/**
* Provides some utility methods for XLIFF translation files, such as validating
* their contents according to the XSD schema.
*
* @author Fabien Potencier <fabien@symfony.com>
*/
class XliffUtils
{
/**
* Gets xliff file version based on the root "version" attribute.
*
* Defaults to 1.2 for backwards compatibility.
*
* @throws InvalidArgumentException
*/
public static function getVersionNumber(\DOMDocument $dom): string
{
/** @var \DOMNode $xliff */
foreach ($dom->getElementsByTagName('xliff') as $xliff) {
$version = $xliff->attributes->getNamedItem('version');
if ($version) {
return $version->nodeValue;
}
$namespace = $xliff->attributes->getNamedItem('xmlns');
if ($namespace) {
if (0 !== substr_compare('urn:oasis:names:tc:xliff:document:', $namespace->nodeValue, 0, 34)) {
throw new InvalidArgumentException(sprintf('Not a valid XLIFF namespace "%s".', $namespace));
}
return substr($namespace, 34);
}
}
// Falls back to v1.2
return '1.2';
}
/**
* Validates and parses the given file into a DOMDocument.
*
* @throws InvalidResourceException
*/
public static function validateSchema(\DOMDocument $dom): array
{
$xliffVersion = static::getVersionNumber($dom);
$internalErrors = libxml_use_internal_errors(true);
if ($shouldEnable = self::shouldEnableEntityLoader()) {
$disableEntities = libxml_disable_entity_loader(false);
}
try {
$isValid = @$dom->schemaValidateSource(self::getSchema($xliffVersion));
if (!$isValid) {
return self::getXmlErrors($internalErrors);
}
} finally {
if ($shouldEnable) {
libxml_disable_entity_loader($disableEntities);
}
}
$dom->normalizeDocument();
libxml_clear_errors();
libxml_use_internal_errors($internalErrors);
return [];
}
private static function shouldEnableEntityLoader(): bool
{
static $dom, $schema;
if (null === $dom) {
$dom = new \DOMDocument();
$dom->loadXML('<?xml version="1.0"?><test/>');
$tmpfile = tempnam(sys_get_temp_dir(), 'symfony');
register_shutdown_function(static function () use ($tmpfile) {
@unlink($tmpfile);
});
$schema = '<?xml version="1.0" encoding="utf-8"?>
<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema">
<xsd:include schemaLocation="file:///'.str_replace('\\', '/', $tmpfile).'" />
</xsd:schema>';
file_put_contents($tmpfile, '<?xml version="1.0" encoding="utf-8"?>
<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema">
<xsd:element name="test" type="testType" />
<xsd:complexType name="testType"/>
</xsd:schema>');
}
return !@$dom->schemaValidateSource($schema);
}
public static function getErrorsAsString(array $xmlErrors): string
{
$errorsAsString = '';
foreach ($xmlErrors as $error) {
$errorsAsString .= sprintf("[%s %s] %s (in %s - line %d, column %d)\n",
\LIBXML_ERR_WARNING === $error['level'] ? 'WARNING' : 'ERROR',
$error['code'],
$error['message'],
$error['file'],
$error['line'],
$error['column']
);
}
return $errorsAsString;
}
private static function getSchema(string $xliffVersion): string
{
if ('1.2' === $xliffVersion) {
$schemaSource = file_get_contents(__DIR__.'/../Resources/schemas/xliff-core-1.2-transitional.xsd');
$xmlUri = 'http://www.w3.org/2001/xml.xsd';
} elseif ('2.0' === $xliffVersion) {
$schemaSource = file_get_contents(__DIR__.'/../Resources/schemas/xliff-core-2.0.xsd');
$xmlUri = 'informativeCopiesOf3rdPartySchemas/w3c/xml.xsd';
} else {
throw new InvalidArgumentException(sprintf('No support implemented for loading XLIFF version "%s".', $xliffVersion));
}
return self::fixXmlLocation($schemaSource, $xmlUri);
}
/**
* Internally changes the URI of a dependent xsd to be loaded locally.
*/
private static function fixXmlLocation(string $schemaSource, string $xmlUri): string
{
$newPath = str_replace('\\', '/', __DIR__).'/../Resources/schemas/xml.xsd';
$parts = explode('/', $newPath);
$locationstart = 'file:///';
if (0 === stripos($newPath, 'phar://')) {
$tmpfile = tempnam(sys_get_temp_dir(), 'symfony');
if ($tmpfile) {
copy($newPath, $tmpfile);
$parts = explode('/', str_replace('\\', '/', $tmpfile));
} else {
array_shift($parts);
$locationstart = 'phar:///';
}
}
$drive = '\\' === \DIRECTORY_SEPARATOR ? array_shift($parts).'/' : '';
$newPath = $locationstart.$drive.implode('/', array_map('rawurlencode', $parts));
return str_replace($xmlUri, $newPath, $schemaSource);
}
/**
* Returns the XML errors of the internal XML parser.
*/
private static function getXmlErrors(bool $internalErrors): array
{
$errors = [];
foreach (libxml_get_errors() as $error) {
$errors[] = [
'level' => \LIBXML_ERR_WARNING == $error->level ? 'WARNING' : 'ERROR',
'code' => $error->code,
'message' => trim($error->message),
'file' => $error->file ?: 'n/a',
'line' => $error->line,
'column' => $error->column,
];
}
libxml_clear_errors();
libxml_use_internal_errors($internalErrors);
return $errors;
}
}
Regex.php 0000644 00000006000 15152066002 0006320 0 ustar 00 <?php
declare(strict_types=1);
namespace Dotenv\Util;
use GrahamCampbell\ResultType\Error;
use GrahamCampbell\ResultType\Success;
/**
* @internal
*/
final class Regex
{
/**
* This class is a singleton.
*
* @codeCoverageIgnore
*
* @return void
*/
private function __construct()
{
//
}
/**
* Perform a preg match, wrapping up the result.
*
* @param string $pattern
* @param string $subject
*
* @return \GrahamCampbell\ResultType\Result<bool,string>
*/
public static function matches(string $pattern, string $subject)
{
return self::pregAndWrap(static function (string $subject) use ($pattern) {
return @\preg_match($pattern, $subject) === 1;
}, $subject);
}
/**
* Perform a preg match all, wrapping up the result.
*
* @param string $pattern
* @param string $subject
*
* @return \GrahamCampbell\ResultType\Result<int,string>
*/
public static function occurrences(string $pattern, string $subject)
{
return self::pregAndWrap(static function (string $subject) use ($pattern) {
return (int) @\preg_match_all($pattern, $subject);
}, $subject);
}
/**
* Perform a preg replace callback, wrapping up the result.
*
* @param string $pattern
* @param callable $callback
* @param string $subject
* @param int|null $limit
*
* @return \GrahamCampbell\ResultType\Result<string,string>
*/
public static function replaceCallback(string $pattern, callable $callback, string $subject, int $limit = null)
{
return self::pregAndWrap(static function (string $subject) use ($pattern, $callback, $limit) {
return (string) @\preg_replace_callback($pattern, $callback, $subject, $limit ?? -1);
}, $subject);
}
/**
* Perform a preg split, wrapping up the result.
*
* @param string $pattern
* @param string $subject
*
* @return \GrahamCampbell\ResultType\Result<string[],string>
*/
public static function split(string $pattern, string $subject)
{
return self::pregAndWrap(static function (string $subject) use ($pattern) {
/** @var string[] */
return (array) @\preg_split($pattern, $subject);
}, $subject);
}
/**
* Perform a preg operation, wrapping up the result.
*
* @template V
*
* @param callable(string):V $operation
* @param string $subject
*
* @return \GrahamCampbell\ResultType\Result<V,string>
*/
private static function pregAndWrap(callable $operation, string $subject)
{
$result = $operation($subject);
if (\preg_last_error() !== \PREG_NO_ERROR) {
/** @var \GrahamCampbell\ResultType\Result<V,string> */
return Error::create(\preg_last_error_msg());
}
/** @var \GrahamCampbell\ResultType\Result<V,string> */
return Success::create($result);
}
}
Str.php 0000644 00000004735 15152066002 0006033 0 ustar 00 <?php
declare(strict_types=1);
namespace Dotenv\Util;
use GrahamCampbell\ResultType\Error;
use GrahamCampbell\ResultType\Success;
use PhpOption\Option;
/**
* @internal
*/
final class Str
{
/**
* This class is a singleton.
*
* @codeCoverageIgnore
*
* @return void
*/
private function __construct()
{
//
}
/**
* Convert a string to UTF-8 from the given encoding.
*
* @param string $input
* @param string|null $encoding
*
* @return \GrahamCampbell\ResultType\Result<string,string>
*/
public static function utf8(string $input, string $encoding = null)
{
if ($encoding !== null && !\in_array($encoding, \mb_list_encodings(), true)) {
/** @var \GrahamCampbell\ResultType\Result<string,string> */
return Error::create(
\sprintf('Illegal character encoding [%s] specified.', $encoding)
);
}
$converted = $encoding === null ?
@\mb_convert_encoding($input, 'UTF-8') :
@\mb_convert_encoding($input, 'UTF-8', $encoding);
/**
* this is for support UTF-8 with BOM encoding
* @see https://en.wikipedia.org/wiki/Byte_order_mark
* @see https://github.com/vlucas/phpdotenv/issues/500
*/
if (\substr($converted, 0, 3) == "\xEF\xBB\xBF") {
$converted = \substr($converted, 3);
}
/** @var \GrahamCampbell\ResultType\Result<string,string> */
return Success::create($converted);
}
/**
* Search for a given substring of the input.
*
* @param string $haystack
* @param string $needle
*
* @return \PhpOption\Option<int>
*/
public static function pos(string $haystack, string $needle)
{
/** @var \PhpOption\Option<int> */
return Option::fromValue(\mb_strpos($haystack, $needle, 0, 'UTF-8'), false);
}
/**
* Grab the specified substring of the input.
*
* @param string $input
* @param int $start
* @param int|null $length
*
* @return string
*/
public static function substr(string $input, int $start, int $length = null)
{
return \mb_substr($input, $start, $length, 'UTF-8');
}
/**
* Compute the length of the given string.
*
* @param string $input
*
* @return int
*/
public static function len(string $input)
{
return \mb_strlen($input, 'UTF-8');
}
}
SpecReader.php 0000644 00000004200 15152100353 0007261 0 ustar 00 <?php
declare(strict_types=1);
/*
* This file is part of the league/commonmark package.
*
* (c) Colin O'Dell <colinodell@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace League\CommonMark\Util;
use League\CommonMark\Exception\IOException;
/**
* Reads in a CommonMark spec document and extracts the input/output examples for testing against them
*/
final class SpecReader
{
private function __construct()
{
}
/**
* @return iterable<string, array{input: string, output: string, type: string, section: string, number: int}>
*/
public static function read(string $data): iterable
{
// Normalize newlines for platform independence
$data = \preg_replace('/\r\n?/', "\n", $data);
\assert($data !== null);
$data = \preg_replace('/<!-- END TESTS -->.*$/', '', $data);
\assert($data !== null);
\preg_match_all('/^`{32} (example ?\w*)\n([\s\S]*?)^\.\n([\s\S]*?)^`{32}$|^#{1,6} *(.*)$/m', $data, $matches, PREG_SET_ORDER);
$currentSection = 'Example';
$exampleNumber = 0;
foreach ($matches as $match) {
if (isset($match[4])) {
$currentSection = $match[4];
continue;
}
yield \trim($currentSection . ' #' . $exampleNumber) => [
'input' => \str_replace('→', "\t", $match[2]),
'output' => \str_replace('→', "\t", $match[3]),
'type' => $match[1],
'section' => $currentSection,
'number' => $exampleNumber++,
];
}
}
/**
* @return iterable<string, array{input: string, output: string, type: string, section: string, number: int}>
*
* @throws IOException if the file cannot be loaded
*/
public static function readFile(string $filename): iterable
{
if (($data = \file_get_contents($filename)) === false) {
throw new IOException(\sprintf('Failed to load spec from %s', $filename));
}
return self::read($data);
}
}
UrlEncoder.php 0000644 00000005073 15152100353 0007317 0 ustar 00 <?php
declare(strict_types=1);
/*
* This file is part of the league/commonmark package.
*
* (c) Colin O'Dell <colinodell@gmail.com>
*
* Original code based on the CommonMark JS reference parser (https://bitly.com/commonmark-js)
* - (c) John MacFarlane
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace League\CommonMark\Util;
use League\CommonMark\Exception\UnexpectedEncodingException;
/**
* @psalm-immutable
*/
final class UrlEncoder
{
private const ENCODE_CACHE = ['%00', '%01', '%02', '%03', '%04', '%05', '%06', '%07', '%08', '%09', '%0A', '%0B', '%0C', '%0D', '%0E', '%0F', '%10', '%11', '%12', '%13', '%14', '%15', '%16', '%17', '%18', '%19', '%1A', '%1B', '%1C', '%1D', '%1E', '%1F', '%20', '!', '%22', '#', '$', '%25', '&', "'", '(', ')', '*', '+', ',', '-', '.', '/', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', ':', ';', '%3C', '=', '%3E', '?', '@', 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z', '%5B', '%5C', '%5D', '%5E', '_', '%60', 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', '%7B', '%7C', '%7D', '~', '%7F'];
/**
* @throws UnexpectedEncodingException if a non-UTF-8-compatible encoding is used
*
* @psalm-pure
*/
public static function unescapeAndEncode(string $uri): string
{
// Optimization: if the URL only includes characters we know will be kept as-is, then just return the URL as-is.
if (\preg_match('/^[A-Za-z0-9~!@#$&*()\-_=+;:,.\/?]+$/', $uri)) {
return $uri;
}
if (! \mb_check_encoding($uri, 'UTF-8')) {
throw new UnexpectedEncodingException('Unexpected encoding - UTF-8 or ASCII was expected');
}
$result = '';
$chars = \mb_str_split($uri, 1, 'UTF-8');
$l = \count($chars);
for ($i = 0; $i < $l; $i++) {
$code = $chars[$i];
if ($code === '%' && $i + 2 < $l) {
if (\preg_match('/^[0-9a-f]{2}$/i', $chars[$i + 1] . $chars[$i + 2]) === 1) {
$result .= '%' . $chars[$i + 1] . $chars[$i + 2];
$i += 2;
continue;
}
}
if (\ord($code) < 128) {
$result .= self::ENCODE_CACHE[\ord($code)];
continue;
}
$result .= \rawurlencode($code);
}
return $result;
}
}
PrioritizedList.php 0000644 00000003151 15152100353 0010410 0 ustar 00 <?php
declare(strict_types=1);
/*
* This file is part of the league/commonmark package.
*
* (c) Colin O'Dell <colinodell@gmail.com>
*
* Original code based on the CommonMark JS reference parser (https://bitly.com/commonmark-js)
* - (c) John MacFarlane
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace League\CommonMark\Util;
/**
* @internal
*
* @phpstan-template T
* @phpstan-implements \IteratorAggregate<T>
*/
final class PrioritizedList implements \IteratorAggregate
{
/**
* @var array<int, array<mixed>>
* @phpstan-var array<int, array<T>>
*/
private array $list = [];
/**
* @var \Traversable<mixed>|null
* @phpstan-var \Traversable<T>|null
*/
private ?\Traversable $optimized = null;
/**
* @param mixed $item
*
* @phpstan-param T $item
*/
public function add($item, int $priority): void
{
$this->list[$priority][] = $item;
$this->optimized = null;
}
/**
* @return \Traversable<int, mixed>
*
* @phpstan-return \Traversable<int, T>
*/
#[\ReturnTypeWillChange]
public function getIterator(): \Traversable
{
if ($this->optimized === null) {
\krsort($this->list);
$sorted = [];
foreach ($this->list as $group) {
foreach ($group as $item) {
$sorted[] = $item;
}
}
$this->optimized = new \ArrayIterator($sorted);
}
return $this->optimized;
}
}
LinkParserHelper.php 0000644 00000007652 15152100353 0010474 0 ustar 00 <?php
declare(strict_types=1);
/*
* This file is part of the league/commonmark package.
*
* (c) Colin O'Dell <colinodell@gmail.com>
*
* Original code based on the CommonMark JS reference parser (https://bitly.com/commonmark-js)
* - (c) John MacFarlane
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace League\CommonMark\Util;
use League\CommonMark\Parser\Cursor;
/**
* @psalm-immutable
*/
final class LinkParserHelper
{
/**
* Attempt to parse link destination
*
* @return string|null The string, or null if no match
*/
public static function parseLinkDestination(Cursor $cursor): ?string
{
if ($res = $cursor->match(RegexHelper::REGEX_LINK_DESTINATION_BRACES)) {
// Chop off surrounding <..>:
return UrlEncoder::unescapeAndEncode(
RegexHelper::unescape(\substr($res, 1, -1))
);
}
if ($cursor->getCurrentCharacter() === '<') {
return null;
}
$destination = self::manuallyParseLinkDestination($cursor);
if ($destination === null) {
return null;
}
return UrlEncoder::unescapeAndEncode(
RegexHelper::unescape($destination)
);
}
public static function parseLinkLabel(Cursor $cursor): int
{
$match = $cursor->match('/^\[(?:[^\\\\\[\]]|\\\\.){0,1000}\]/');
if ($match === null) {
return 0;
}
$length = \mb_strlen($match, 'UTF-8');
if ($length > 1001) {
return 0;
}
return $length;
}
public static function parsePartialLinkLabel(Cursor $cursor): ?string
{
return $cursor->match('/^(?:[^\\\\\[\]]+|\\\\.?)*/');
}
/**
* Attempt to parse link title (sans quotes)
*
* @return string|null The string, or null if no match
*/
public static function parseLinkTitle(Cursor $cursor): ?string
{
if ($title = $cursor->match('/' . RegexHelper::PARTIAL_LINK_TITLE . '/')) {
// Chop off quotes from title and unescape
return RegexHelper::unescape(\substr($title, 1, -1));
}
return null;
}
public static function parsePartialLinkTitle(Cursor $cursor, string $endDelimiter): ?string
{
$endDelimiter = \preg_quote($endDelimiter, '/');
$regex = \sprintf('/(%s|[^%s\x00])*(?:%s)?/', RegexHelper::PARTIAL_ESCAPED_CHAR, $endDelimiter, $endDelimiter);
if (($partialTitle = $cursor->match($regex)) === null) {
return null;
}
return RegexHelper::unescape($partialTitle);
}
private static function manuallyParseLinkDestination(Cursor $cursor): ?string
{
$oldPosition = $cursor->getPosition();
$oldState = $cursor->saveState();
$openParens = 0;
while (($c = $cursor->getCurrentCharacter()) !== null) {
if ($c === '\\' && ($peek = $cursor->peek()) !== null && RegexHelper::isEscapable($peek)) {
$cursor->advanceBy(2);
} elseif ($c === '(') {
$cursor->advanceBy(1);
$openParens++;
} elseif ($c === ')') {
if ($openParens < 1) {
break;
}
$cursor->advanceBy(1);
$openParens--;
} elseif (\preg_match(RegexHelper::REGEX_WHITESPACE_CHAR, $c)) {
break;
} else {
$cursor->advanceBy(1);
}
}
if ($openParens !== 0) {
return null;
}
if ($cursor->getPosition() === $oldPosition && (! isset($c) || $c !== ')')) {
return null;
}
$newPos = $cursor->getPosition();
$cursor->restoreState($oldState);
$cursor->advanceBy($newPos - $cursor->getPosition());
return $cursor->getPreviousText();
}
}
RegexHelper.php 0000644 00000024021 15152100353 0007461 0 ustar 00 <?php
declare(strict_types=1);
/*
* This file is part of the league/commonmark package.
*
* (c) Colin O'Dell <colinodell@gmail.com>
*
* Original code based on the CommonMark JS reference parser (https://bitly.com/commonmark-js)
* - (c) John MacFarlane
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace League\CommonMark\Util;
use League\CommonMark\Exception\InvalidArgumentException;
use League\CommonMark\Extension\CommonMark\Node\Block\HtmlBlock;
/**
* Provides regular expressions and utilities for parsing Markdown
*
* All of the PARTIAL_ regex constants assume that they'll be used in case-insensitive searches
* All other complete regexes provided by this class (either via constants or methods) will have case-insensitivity enabled.
*
* @phpcs:disable Generic.Strings.UnnecessaryStringConcat.Found
*
* @psalm-immutable
*/
final class RegexHelper
{
// Partial regular expressions (wrap with `/` on each side and add the case-insensitive `i` flag before use)
public const PARTIAL_ENTITY = '&(?:#x[a-f0-9]{1,6}|#[0-9]{1,7}|[a-z][a-z0-9]{1,31});';
public const PARTIAL_ESCAPABLE = '[!"#$%&\'()*+,.\/:;<=>?@[\\\\\]^_`{|}~-]';
public const PARTIAL_ESCAPED_CHAR = '\\\\' . self::PARTIAL_ESCAPABLE;
public const PARTIAL_IN_DOUBLE_QUOTES = '"(' . self::PARTIAL_ESCAPED_CHAR . '|[^"\x00])*"';
public const PARTIAL_IN_SINGLE_QUOTES = '\'(' . self::PARTIAL_ESCAPED_CHAR . '|[^\'\x00])*\'';
public const PARTIAL_IN_PARENS = '\\((' . self::PARTIAL_ESCAPED_CHAR . '|[^)\x00])*\\)';
public const PARTIAL_REG_CHAR = '[^\\\\()\x00-\x20]';
public const PARTIAL_IN_PARENS_NOSP = '\((' . self::PARTIAL_REG_CHAR . '|' . self::PARTIAL_ESCAPED_CHAR . '|\\\\)*\)';
public const PARTIAL_TAGNAME = '[a-z][a-z0-9-]*';
public const PARTIAL_BLOCKTAGNAME = '(?:address|article|aside|base|basefont|blockquote|body|caption|center|col|colgroup|dd|details|dialog|dir|div|dl|dt|fieldset|figcaption|figure|footer|form|frame|frameset|h1|head|header|hr|html|iframe|legend|li|link|main|menu|menuitem|nav|noframes|ol|optgroup|option|p|param|section|source|summary|table|tbody|td|tfoot|th|thead|title|tr|track|ul)';
public const PARTIAL_ATTRIBUTENAME = '[a-z_:][a-z0-9:._-]*';
public const PARTIAL_UNQUOTEDVALUE = '[^"\'=<>`\x00-\x20]+';
public const PARTIAL_SINGLEQUOTEDVALUE = '\'[^\']*\'';
public const PARTIAL_DOUBLEQUOTEDVALUE = '"[^"]*"';
public const PARTIAL_ATTRIBUTEVALUE = '(?:' . self::PARTIAL_UNQUOTEDVALUE . '|' . self::PARTIAL_SINGLEQUOTEDVALUE . '|' . self::PARTIAL_DOUBLEQUOTEDVALUE . ')';
public const PARTIAL_ATTRIBUTEVALUESPEC = '(?:' . '\s*=' . '\s*' . self::PARTIAL_ATTRIBUTEVALUE . ')';
public const PARTIAL_ATTRIBUTE = '(?:' . '\s+' . self::PARTIAL_ATTRIBUTENAME . self::PARTIAL_ATTRIBUTEVALUESPEC . '?)';
public const PARTIAL_OPENTAG = '<' . self::PARTIAL_TAGNAME . self::PARTIAL_ATTRIBUTE . '*' . '\s*\/?>';
public const PARTIAL_CLOSETAG = '<\/' . self::PARTIAL_TAGNAME . '\s*[>]';
public const PARTIAL_OPENBLOCKTAG = '<' . self::PARTIAL_BLOCKTAGNAME . self::PARTIAL_ATTRIBUTE . '*' . '\s*\/?>';
public const PARTIAL_CLOSEBLOCKTAG = '<\/' . self::PARTIAL_BLOCKTAGNAME . '\s*[>]';
public const PARTIAL_HTMLCOMMENT = '<!---->|<!--(?:-?[^>-])(?:-?[^-])*-->';
public const PARTIAL_PROCESSINGINSTRUCTION = '[<][?][\s\S]*?[?][>]';
public const PARTIAL_DECLARATION = '<![A-Z]+' . '[^>]*>';
public const PARTIAL_CDATA = '<!\[CDATA\[[\s\S]*?]\]>';
public const PARTIAL_HTMLTAG = '(?:' . self::PARTIAL_OPENTAG . '|' . self::PARTIAL_CLOSETAG . '|' . self::PARTIAL_HTMLCOMMENT . '|' .
self::PARTIAL_PROCESSINGINSTRUCTION . '|' . self::PARTIAL_DECLARATION . '|' . self::PARTIAL_CDATA . ')';
public const PARTIAL_HTMLBLOCKOPEN = '<(?:' . self::PARTIAL_BLOCKTAGNAME . '(?:[\s\/>]|$)' . '|' .
'\/' . self::PARTIAL_BLOCKTAGNAME . '(?:[\s>]|$)' . '|' . '[?!])';
public const PARTIAL_LINK_TITLE = '^(?:"(' . self::PARTIAL_ESCAPED_CHAR . '|[^"\x00])*"' .
'|' . '\'(' . self::PARTIAL_ESCAPED_CHAR . '|[^\'\x00])*\'' .
'|' . '\((' . self::PARTIAL_ESCAPED_CHAR . '|[^()\x00])*\))';
public const REGEX_PUNCTUATION = '/^[\x{2000}-\x{206F}\x{2E00}-\x{2E7F}\p{Pc}\p{Pd}\p{Pe}\p{Pf}\p{Pi}\p{Po}\p{Ps}\\\\\'!"#\$%&\(\)\*\+,\-\.\\/:;<=>\?@\[\]\^_`\{\|\}~]/u';
public const REGEX_UNSAFE_PROTOCOL = '/^javascript:|vbscript:|file:|data:/i';
public const REGEX_SAFE_DATA_PROTOCOL = '/^data:image\/(?:png|gif|jpeg|webp)/i';
public const REGEX_NON_SPACE = '/[^ \t\f\v\r\n]/';
public const REGEX_WHITESPACE_CHAR = '/^[ \t\n\x0b\x0c\x0d]/';
public const REGEX_UNICODE_WHITESPACE_CHAR = '/^\pZ|\s/u';
public const REGEX_THEMATIC_BREAK = '/^(?:\*[ \t]*){3,}$|^(?:_[ \t]*){3,}$|^(?:-[ \t]*){3,}$/';
public const REGEX_LINK_DESTINATION_BRACES = '/^(?:<(?:[^<>\\n\\\\\\x00]|\\\\.)*>)/';
/**
* @psalm-pure
*/
public static function isEscapable(string $character): bool
{
return \preg_match('/' . self::PARTIAL_ESCAPABLE . '/', $character) === 1;
}
/**
* @psalm-pure
*/
public static function isLetter(?string $character): bool
{
if ($character === null) {
return false;
}
return \preg_match('/[\pL]/u', $character) === 1;
}
/**
* Attempt to match a regex in string s at offset offset
*
* @psalm-param non-empty-string $regex
*
* @return int|null Index of match, or null
*
* @psalm-pure
*/
public static function matchAt(string $regex, string $string, int $offset = 0): ?int
{
$matches = [];
$string = \mb_substr($string, $offset, null, 'UTF-8');
if (! \preg_match($regex, $string, $matches, \PREG_OFFSET_CAPTURE)) {
return null;
}
// PREG_OFFSET_CAPTURE always returns the byte offset, not the char offset, which is annoying
$charPos = \mb_strlen(\mb_strcut($string, 0, $matches[0][1], 'UTF-8'), 'UTF-8');
return $offset + $charPos;
}
/**
* Functional wrapper around preg_match_all which only returns the first set of matches
*
* @psalm-param non-empty-string $pattern
*
* @return string[]|null
*
* @psalm-pure
*/
public static function matchFirst(string $pattern, string $subject, int $offset = 0): ?array
{
if ($offset !== 0) {
$subject = \substr($subject, $offset);
}
\preg_match_all($pattern, $subject, $matches, \PREG_SET_ORDER);
if ($matches === []) {
return null;
}
return $matches[0] ?: null;
}
/**
* Replace backslash escapes with literal characters
*
* @psalm-pure
*/
public static function unescape(string $string): string
{
$allEscapedChar = '/\\\\(' . self::PARTIAL_ESCAPABLE . ')/';
$escaped = \preg_replace($allEscapedChar, '$1', $string);
\assert(\is_string($escaped));
return \preg_replace_callback('/' . self::PARTIAL_ENTITY . '/i', static fn ($e) => Html5EntityDecoder::decode($e[0]), $escaped);
}
/**
* @internal
*
* @param int $type HTML block type
*
* @psalm-param HtmlBlock::TYPE_* $type
*
* @phpstan-param HtmlBlock::TYPE_* $type
*
* @psalm-return non-empty-string
*
* @throws InvalidArgumentException if an invalid type is given
*
* @psalm-pure
*/
public static function getHtmlBlockOpenRegex(int $type): string
{
switch ($type) {
case HtmlBlock::TYPE_1_CODE_CONTAINER:
return '/^<(?:script|pre|textarea|style)(?:\s|>|$)/i';
case HtmlBlock::TYPE_2_COMMENT:
return '/^<!--/';
case HtmlBlock::TYPE_3:
return '/^<[?]/';
case HtmlBlock::TYPE_4:
return '/^<![A-Z]/i';
case HtmlBlock::TYPE_5_CDATA:
return '/^<!\[CDATA\[/i';
case HtmlBlock::TYPE_6_BLOCK_ELEMENT:
return '%^<[/]?(?:address|article|aside|base|basefont|blockquote|body|caption|center|col|colgroup|dd|details|dialog|dir|div|dl|dt|fieldset|figcaption|figure|footer|form|frame|frameset|h[123456]|head|header|hr|html|iframe|legend|li|link|main|menu|menuitem|nav|noframes|ol|optgroup|option|p|param|section|source|summary|table|tbody|td|tfoot|th|thead|title|tr|track|ul)(?:\s|[/]?[>]|$)%i';
case HtmlBlock::TYPE_7_MISC_ELEMENT:
return '/^(?:' . self::PARTIAL_OPENTAG . '|' . self::PARTIAL_CLOSETAG . ')\\s*$/i';
default:
throw new InvalidArgumentException('Invalid HTML block type');
}
}
/**
* @internal
*
* @param int $type HTML block type
*
* @psalm-param HtmlBlock::TYPE_* $type
*
* @phpstan-param HtmlBlock::TYPE_* $type
*
* @psalm-return non-empty-string
*
* @throws InvalidArgumentException if an invalid type is given
*
* @psalm-pure
*/
public static function getHtmlBlockCloseRegex(int $type): string
{
switch ($type) {
case HtmlBlock::TYPE_1_CODE_CONTAINER:
return '%<\/(?:script|pre|textarea|style)>%i';
case HtmlBlock::TYPE_2_COMMENT:
return '/-->/';
case HtmlBlock::TYPE_3:
return '/\?>/';
case HtmlBlock::TYPE_4:
return '/>/';
case HtmlBlock::TYPE_5_CDATA:
return '/\]\]>/';
default:
throw new InvalidArgumentException('Invalid HTML block type');
}
}
/**
* @psalm-pure
*/
public static function isLinkPotentiallyUnsafe(string $url): bool
{
return \preg_match(self::REGEX_UNSAFE_PROTOCOL, $url) !== 0 && \preg_match(self::REGEX_SAFE_DATA_PROTOCOL, $url) === 0;
}
}
Html5EntityDecoder.php 0000644 00000003427 15152100353 0010732 0 ustar 00 <?php
declare(strict_types=1);
/*
* This file is part of the league/commonmark package.
*
* (c) Colin O'Dell <colinodell@gmail.com>
*
* Original code based on the CommonMark JS reference parser (https://bitly.com/commonmark-js)
* - (c) John MacFarlane
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace League\CommonMark\Util;
/**
* @psalm-immutable
*/
final class Html5EntityDecoder
{
/**
* @psalm-pure
*/
public static function decode(string $entity): string
{
if (\substr($entity, -1) !== ';') {
return $entity;
}
if (\substr($entity, 0, 2) === '&#') {
if (\strtolower(\substr($entity, 2, 1)) === 'x') {
return self::fromHex(\substr($entity, 3, -1));
}
return self::fromDecimal(\substr($entity, 2, -1));
}
return \html_entity_decode($entity, \ENT_QUOTES | \ENT_HTML5, 'UTF-8');
}
/**
* @param mixed $number
*
* @psalm-pure
*/
private static function fromDecimal($number): string
{
// Only convert code points within planes 0-2, excluding NULL
// phpcs:ignore Generic.PHP.ForbiddenFunctions.Found
if (empty($number) || $number > 0x2FFFF) {
return self::fromHex('fffd');
}
$entity = '&#' . $number . ';';
$converted = \mb_decode_numericentity($entity, [0x0, 0x2FFFF, 0, 0xFFFF], 'UTF-8');
if ($converted === $entity) {
return self::fromHex('fffd');
}
return $converted;
}
/**
* @psalm-pure
*/
private static function fromHex(string $hexChars): string
{
return self::fromDecimal(\hexdec($hexChars));
}
}
HtmlFilter.php 0000644 00000002674 15152100353 0007333 0 ustar 00 <?php
declare(strict_types=1);
/*
* This file is part of the league/commonmark package.
*
* (c) Colin O'Dell <colinodell@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace League\CommonMark\Util;
use League\CommonMark\Exception\InvalidArgumentException;
/**
* @psalm-immutable
*/
final class HtmlFilter
{
// Return the entire string as-is
public const ALLOW = 'allow';
// Escape the entire string so any HTML/JS won't be interpreted as such
public const ESCAPE = 'escape';
// Return an empty string
public const STRIP = 'strip';
/**
* Runs the given HTML through the given filter
*
* @param string $html HTML input to be filtered
* @param string $filter One of the HtmlFilter constants
*
* @return string Filtered HTML
*
* @throws InvalidArgumentException when an invalid $filter is given
*
* @psalm-pure
*/
public static function filter(string $html, string $filter): string
{
switch ($filter) {
case self::STRIP:
return '';
case self::ESCAPE:
return \htmlspecialchars($html, \ENT_NOQUOTES);
case self::ALLOW:
return $html;
default:
throw new InvalidArgumentException(\sprintf('Invalid filter provided: "%s"', $filter));
}
}
}
ArrayCollection.php 0000644 00000006624 15152100353 0010352 0 ustar 00 <?php
declare(strict_types=1);
/*
* This file is part of the league/commonmark package.
*
* (c) Colin O'Dell <colinodell@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace League\CommonMark\Util;
/**
* Array collection
*
* Provides a wrapper around a standard PHP array.
*
* @internal
*
* @phpstan-template T
* @phpstan-implements \IteratorAggregate<int, T>
* @phpstan-implements \ArrayAccess<int, T>
*/
final class ArrayCollection implements \IteratorAggregate, \Countable, \ArrayAccess
{
/**
* @var array<int, mixed>
* @phpstan-var array<int, T>
*/
private array $elements;
/**
* Constructor
*
* @param array<int|string, mixed> $elements
*
* @phpstan-param array<int, T> $elements
*/
public function __construct(array $elements = [])
{
$this->elements = $elements;
}
/**
* @return mixed|false
*
* @phpstan-return T|false
*/
public function first()
{
return \reset($this->elements);
}
/**
* @return mixed|false
*
* @phpstan-return T|false
*/
public function last()
{
return \end($this->elements);
}
/**
* Retrieve an external iterator
*
* @return \ArrayIterator<int, mixed>
*
* @phpstan-return \ArrayIterator<int, T>
*/
#[\ReturnTypeWillChange]
public function getIterator(): \ArrayIterator
{
return new \ArrayIterator($this->elements);
}
/**
* Count elements of an object
*
* @return int The count as an integer.
*/
public function count(): int
{
return \count($this->elements);
}
/**
* Whether an offset exists
*
* {@inheritDoc}
*
* @phpstan-param int $offset
*/
public function offsetExists($offset): bool
{
return \array_key_exists($offset, $this->elements);
}
/**
* Offset to retrieve
*
* {@inheritDoc}
*
* @phpstan-param int $offset
*
* @phpstan-return T|null
*/
#[\ReturnTypeWillChange]
public function offsetGet($offset)
{
return $this->elements[$offset] ?? null;
}
/**
* Offset to set
*
* {@inheritDoc}
*
* @phpstan-param int|null $offset
* @phpstan-param T $value
*/
#[\ReturnTypeWillChange]
public function offsetSet($offset, $value): void
{
if ($offset === null) {
$this->elements[] = $value;
} else {
$this->elements[$offset] = $value;
}
}
/**
* Offset to unset
*
* {@inheritDoc}
*
* @phpstan-param int $offset
*/
#[\ReturnTypeWillChange]
public function offsetUnset($offset): void
{
if (! \array_key_exists($offset, $this->elements)) {
return;
}
unset($this->elements[$offset]);
}
/**
* Returns a subset of the array
*
* @return array<int, mixed>
*
* @phpstan-return array<int, T>
*/
public function slice(int $offset, ?int $length = null): array
{
return \array_slice($this->elements, $offset, $length, true);
}
/**
* @return array<int, mixed>
*
* @phpstan-return array<int, T>
*/
public function toArray(): array
{
return $this->elements;
}
}
Xml.php 0000644 00000001342 15152100353 0006010 0 ustar 00 <?php
declare(strict_types=1);
/*
* This file is part of the league/commonmark package.
*
* (c) Colin O'Dell <colinodell@gmail.com>
*
* Original code based on the CommonMark JS reference parser (https://bitly.com/commonmark-js)
* - (c) John MacFarlane
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace League\CommonMark\Util;
/**
* Utility class for handling/generating XML and HTML
*
* @psalm-immutable
*/
final class Xml
{
/**
* @psalm-pure
*/
public static function escape(string $string): string
{
return \str_replace(['&', '<', '>', '"'], ['&', '<', '>', '"'], $string);
}
}
HtmlElement.php 0000644 00000010054 15152100353 0007466 0 ustar 00 <?php
declare(strict_types=1);
/*
* This file is part of the league/commonmark package.
*
* (c) Colin O'Dell <colinodell@gmail.com>
*
* Original code based on the CommonMark JS reference parser (https://bitly.com/commonmark-js)
* - (c) John MacFarlane
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace League\CommonMark\Util;
final class HtmlElement implements \Stringable
{
/** @psalm-readonly */
private string $tagName;
/** @var array<string, string|bool> */
private array $attributes = [];
/** @var \Stringable|\Stringable[]|string */
private $contents;
/** @psalm-readonly */
private bool $selfClosing;
/**
* @param string $tagName Name of the HTML tag
* @param array<string, string|string[]|bool> $attributes Array of attributes (values should be unescaped)
* @param \Stringable|\Stringable[]|string|null $contents Inner contents, pre-escaped if needed
* @param bool $selfClosing Whether the tag is self-closing
*/
public function __construct(string $tagName, array $attributes = [], $contents = '', bool $selfClosing = false)
{
$this->tagName = $tagName;
$this->selfClosing = $selfClosing;
foreach ($attributes as $name => $value) {
$this->setAttribute($name, $value);
}
$this->setContents($contents ?? '');
}
/** @psalm-immutable */
public function getTagName(): string
{
return $this->tagName;
}
/**
* @return array<string, string|bool>
*
* @psalm-immutable
*/
public function getAllAttributes(): array
{
return $this->attributes;
}
/**
* @return string|bool|null
*
* @psalm-immutable
*/
public function getAttribute(string $key)
{
return $this->attributes[$key] ?? null;
}
/**
* @param string|string[]|bool $value
*/
public function setAttribute(string $key, $value = true): self
{
if (\is_array($value)) {
$this->attributes[$key] = \implode(' ', \array_unique($value));
} else {
$this->attributes[$key] = $value;
}
return $this;
}
/**
* @return \Stringable|\Stringable[]|string
*
* @psalm-immutable
*/
public function getContents(bool $asString = true)
{
if (! $asString) {
return $this->contents;
}
return $this->getContentsAsString();
}
/**
* Sets the inner contents of the tag (must be pre-escaped if needed)
*
* @param \Stringable|\Stringable[]|string $contents
*
* @return $this
*/
public function setContents($contents): self
{
$this->contents = $contents ?? ''; // @phpstan-ignore-line
return $this;
}
/** @psalm-immutable */
public function __toString(): string
{
$result = '<' . $this->tagName;
foreach ($this->attributes as $key => $value) {
if ($value === true) {
$result .= ' ' . $key;
} elseif ($value === false) {
continue;
} else {
$result .= ' ' . $key . '="' . Xml::escape($value) . '"';
}
}
if ($this->contents !== '') {
$result .= '>' . $this->getContentsAsString() . '</' . $this->tagName . '>';
} elseif ($this->selfClosing && $this->tagName === 'input') {
$result .= '>';
} elseif ($this->selfClosing) {
$result .= ' />';
} else {
$result .= '></' . $this->tagName . '>';
}
return $result;
}
/** @psalm-immutable */
private function getContentsAsString(): string
{
if (\is_string($this->contents)) {
return $this->contents;
}
if (\is_array($this->contents)) {
return \implode('', $this->contents);
}
return (string) $this->contents;
}
}
