ÿØÿà JFIF    ÿÛ „  ( %"1!%)+...383,7(-.+  -+++--++++---+-+-----+---------------+---+-++7-----ÿÀ  ß â" ÿÄ     ÿÄ H    !1AQaq"‘¡2B±ÁÑð#R“Ò Tbr‚²á3csƒ’ÂñDS¢³$CÿÄ   ÿÄ %  !1AQa"23‘ÿÚ   ? ôÿ ¨pŸªáÿ —åYõõ\?àÒü©ŠÄï¨pŸªáÿ —åYõõ\?àÓü©ŠÄá 0Ÿªáÿ Ÿå[úƒ ú®ði~TÁbqÐ8OÕpÿ ƒOò¤Oè`–RÂáœá™êi€ßÉ< FtŸI“öÌ8úDf´°å}“¾œ6  öFá°y¥jñÇh†ˆ¢ã/ÃÐ:ªcÈ "Y¡ðÑl>ÿ ”ÏËte:qž\oäŠe÷󲍷˜HT4&ÿ ÓÐü6ö®¿øþßèô Ÿ•7Ñi’•j|“ñì>b…þS?*Óôÿ ÓÐü*h¥£ír¶ü UãSç‚Ÿ[AÐaè[ûª•õ&õj?†Éö+EzP—WeÒírJFt ‘BŒ†Ï‡%#tE Øz ¥OÛ«!1›üä±Í™%ºÍãö]°î(–:@<‹ŒÊö×òÆt¦ãº+‡¦%ÌÁ²h´OƒJŒtMÜ>ÀÜÊw3Y´•牋4ǍýʏTì>œú=Íwhyë,¾Ôò×õ¿ßÊa»«þˆѪQ|%6ž™A õ%:øj<>É—ÿ Å_ˆCbõ¥š±ý¯Ýƒï…¶|RëócÍf溪“t.СøTÿ *Ä¿-{†çàczůŽ_–^XþŒ±miB[X±d 1,é”zEù»& î9gœf™9Ð'.;—™i}!ôšåîqêÛ٤ёý£½ÆA–àôe"A$˝Úsäÿ ÷Û #°xŸëí(l »ý3—¥5m! rt`†0~'j2(]S¦¦kv,ÚÇ l¦øJA£Šƒ J3E8ÙiŽ:cÉžúeZ°€¯\®kÖ(79«Ž:¯X”¾³Š&¡* ….‰Ž(ÜíŸ2¥ª‡×Hi²TF¤ò[¨íÈRëÉ䢍mgÑ.Ÿ<öäS0í„ǹÁU´f#Vß;Õ–…P@3ío<ä-±»Ž.L|kªÀê›fÂ6@»eu‚|ÓaÞÆŸ…¨ááå>åŠ?cKü6ùTÍÆ”†sĤÚ;H2RÚ†õ\Ö·Ÿn'¾ ñ#ºI¤Å´%çÁ­‚â7›‹qT3Iï¨ÖÚ5I7Ë!ÅOóŸ¶øÝñØôת¦$Tcö‘[«Ö³šÒ';Aþ ¸èíg A2Z"i¸vdÄ÷.iõ®§)¿]¤À†–‡É&ä{V¶iŽ”.Ó×Õÿ û?h¬Mt–íª[ÿ Ñÿ ÌV(í}=ibÔ¡›¥¢±b Lô¥‡piη_Z<‡z§èŒ)iÖwiÇ 2hÙ3·=’d÷8éŽ1¦¸c¤µ€7›7Ø ð\á)} ¹fËí›pAÃL%âc2 í§æQz¿;T8sæ°qø)QFMð‰XŒÂ±N¢aF¨…8¯!U  Z©RÊ ÖPVÄÀÍin™Ì-GˆªÅËŠ›•zË}º±ŽÍFò¹}Uw×#ä5B¤{î}Ð<ÙD é©¤&‡ïDbàÁôMÁ." ¤‡ú*õ'VŽ|¼´Úgllº¼klz[Æüï÷Aób‡Eÿ dÑ»Xx9ÃÜ£ÁT/`¼¸vI±Ýµ·Ë‚“G³þ*Ÿû´r|*}<¨îºœ @¦mÄ’M¹”.œ«Y–|6ÏU¤jç¥ÕÞqO ˜kDÆÁ¨5ÿ š;Њ¦¦€GÙk \ –Þ=â¼=SͧµªS°ÚÍpÜãQűÀõ¬?ÃÁ1Ñ•õZà?hóœ€ L¦l{Y*K˜Ù›zc˜–ˆâ ø+¾ ­-Ök¥%ùEÜA'}ˆ><ÊIè“bpÍ/qÞâvoX€w,\úªò6Z[XdÒæ­@Ö—€$òJí#é>'°Ú ôª˜<)4ryÙ£|óAÅn5žêŸyÒäMÝ2{"}‰–¤l÷ûWX\l¾Á¸góÉOÔ /óñB¤f¸çñ[.P˜ZsÊË*ßT܈§QN¢’¡¨§V¼(Üù*eÕ“”5T¨‹Âê¥FŒã½Dü[8'Ò¥a…Ú¶k7a *•›¼'Ò·\8¨ª\@\õ¢¦íq+DÙrmÎ…_ªæ»ŠÓœ¡¯’Ré9MÅ×D™lælffc+ŒÑ,ý™ÿ ¯þǤ=Å’Á7µ÷ÚÛ/“Ü€ñýã¼àí¾ÕÑ+ƒ,uµMâÀÄbm:ÒÎPæ{˜Gz[ƒ¯«® KHà`ßØŠéí¯P8Aq.C‰ à€kòpj´kN¶qô€…Õ,ÜNŠª-­{Zö’æû44‰sŽè‰îVíRœÕm" 6?³D9¡ÇTíÅꋇ`4«¸ÝÁô ï’ýorqКÇZ«x4Žâéþuïf¹µö[P ,Q£éaX±`PÉÍZ ¸äYúg üAx ’6Lê‚xÝÓ*äQ  Ï’¨hÍ =²,6ï#rÃ<¯–£»ƒ‹,–ê•€ aÛsñ'%Æ"®ÛüìBᝠHÚ3ß°©$“XnœÖ’î2ËTeûìxîß ¦å¿çÉ ðK§þ{‘t‚Ϋ¬jéîZ[ ”š7L¥4VÚCE×]m¤Øy”ä4-dz£œ§¸x.*ãÊÊ b÷•h:©‡¦s`BTÁRû¾g⻩‹jø sF¢àJøFl‘È•Xᓁà~*j¯ +(ÚÕ6-£¯÷GŠØy‚<Ç’.F‹Hœw(+)ÜÜâÈzÄäT§FߘãÏ;DmVœ3Àu@mÚüXÝü•3B¨òÌÁÛ<·ÃÜ z,Ì@õÅ·d2]ü8s÷IôÞ¯^Ç9¢u„~ëAŸï4«M? 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use Symfony\Component\Yaml\Exception\DumpException; use Symfony\Component\Yaml\Exception\ParseException; use Symfony\Component\Yaml\Tag\TaggedValue; /** * Inline implements a YAML parser/dumper for the YAML inline syntax. * * @author Fabien Potencier * * @internal */ class Inline { public const REGEX_QUOTED_STRING = '(?:"([^"\\\\]*+(?:\\\\.[^"\\\\]*+)*+)"|\'([^\']*+(?:\'\'[^\']*+)*+)\')'; public static int $parsedLineNumber = -1; public static ?string $parsedFilename = null; private static bool $exceptionOnInvalidType = false; private static bool $objectSupport = false; private static bool $objectForMap = false; private static bool $constantSupport = false; public static function initialize(int $flags, int $parsedLineNumber = null, string $parsedFilename = null) { self::$exceptionOnInvalidType = (bool) (Yaml::PARSE_EXCEPTION_ON_INVALID_TYPE & $flags); self::$objectSupport = (bool) (Yaml::PARSE_OBJECT & $flags); self::$objectForMap = (bool) (Yaml::PARSE_OBJECT_FOR_MAP & $flags); self::$constantSupport = (bool) (Yaml::PARSE_CONSTANT & $flags); self::$parsedFilename = $parsedFilename; if (null !== $parsedLineNumber) { self::$parsedLineNumber = $parsedLineNumber; } } /** * Converts a YAML string to a PHP value. * * @param int $flags A bit field of Yaml::PARSE_* constants to customize the YAML parser behavior * @param array $references Mapping of variable names to values * * @throws ParseException */ public static function parse(string $value = null, int $flags = 0, array &$references = []): mixed { self::initialize($flags); $value = trim($value); if ('' === $value) { return ''; } $i = 0; $tag = self::parseTag($value, $i, $flags); switch ($value[$i]) { case '[': $result = self::parseSequence($value, $flags, $i, $references); ++$i; break; case '{': $result = self::parseMapping($value, $flags, $i, $references); ++$i; break; default: $result = self::parseScalar($value, $flags, null, $i, true, $references); } // some comments are allowed at the end if (preg_replace('/\s*#.*$/A', '', substr($value, $i))) { throw new ParseException(sprintf('Unexpected characters near "%s".', substr($value, $i)), self::$parsedLineNumber + 1, $value, self::$parsedFilename); } if (null !== $tag && '' !== $tag) { return new TaggedValue($tag, $result); } return $result; } /** * Dumps a given PHP variable to a YAML string. * * @param mixed $value The PHP variable to convert * @param int $flags A bit field of Yaml::DUMP_* constants to customize the dumped YAML string * * @throws DumpException When trying to dump PHP resource */ public static function dump(mixed $value, int $flags = 0): string { switch (true) { case \is_resource($value): if (Yaml::DUMP_EXCEPTION_ON_INVALID_TYPE & $flags) { throw new DumpException(sprintf('Unable to dump PHP resources in a YAML file ("%s").', get_resource_type($value))); } return self::dumpNull($flags); case $value instanceof \DateTimeInterface: return $value->format('c'); case $value instanceof \UnitEnum: return sprintf('!php/const %s::%s', \get_class($value), $value->name); case \is_object($value): if ($value instanceof TaggedValue) { return '!'.$value->getTag().' '.self::dump($value->getValue(), $flags); } if (Yaml::DUMP_OBJECT & $flags) { return '!php/object '.self::dump(serialize($value)); } if (Yaml::DUMP_OBJECT_AS_MAP & $flags && ($value instanceof \stdClass || $value instanceof \ArrayObject)) { $output = []; foreach ($value as $key => $val) { $output[] = sprintf('%s: %s', self::dump($key, $flags), self::dump($val, $flags)); } return sprintf('{ %s }', implode(', ', $output)); } if (Yaml::DUMP_EXCEPTION_ON_INVALID_TYPE & $flags) { throw new DumpException('Object support when dumping a YAML file has been disabled.'); } return self::dumpNull($flags); case \is_array($value): return self::dumpArray($value, $flags); case null === $value: return self::dumpNull($flags); case true === $value: return 'true'; case false === $value: return 'false'; case \is_int($value): return $value; case is_numeric($value) && false === strpbrk($value, "\f\n\r\t\v"): $locale = setlocale(\LC_NUMERIC, 0); if (false !== $locale) { setlocale(\LC_NUMERIC, 'C'); } if (\is_float($value)) { $repr = (string) $value; if (is_infinite($value)) { $repr = str_ireplace('INF', '.Inf', $repr); } elseif (floor($value) == $value && $repr == $value) { // Preserve float data type since storing a whole number will result in integer value. if (false === strpos($repr, 'E')) { $repr = $repr.'.0'; } } } else { $repr = \is_string($value) ? "'$value'" : (string) $value; } if (false !== $locale) { setlocale(\LC_NUMERIC, $locale); } return $repr; case '' == $value: return "''"; case self::isBinaryString($value): return '!!binary '.base64_encode($value); case Escaper::requiresDoubleQuoting($value): return Escaper::escapeWithDoubleQuotes($value); case Escaper::requiresSingleQuoting($value): case Parser::preg_match('{^[0-9]+[_0-9]*$}', $value): case Parser::preg_match(self::getHexRegex(), $value): case Parser::preg_match(self::getTimestampRegex(), $value): return Escaper::escapeWithSingleQuotes($value); default: return $value; } } /** * Check if given array is hash or just normal indexed array. */ public static function isHash(array|\ArrayObject|\stdClass $value): bool { if ($value instanceof \stdClass || $value instanceof \ArrayObject) { return true; } $expectedKey = 0; foreach ($value as $key => $val) { if ($key !== $expectedKey++) { return true; } } return false; } /** * Dumps a PHP array to a YAML string. * * @param array $value The PHP array to dump * @param int $flags A bit field of Yaml::DUMP_* constants to customize the dumped YAML string */ private static function dumpArray(array $value, int $flags): string { // array if (($value || Yaml::DUMP_EMPTY_ARRAY_AS_SEQUENCE & $flags) && !self::isHash($value)) { $output = []; foreach ($value as $val) { $output[] = self::dump($val, $flags); } return sprintf('[%s]', implode(', ', $output)); } // hash $output = []; foreach ($value as $key => $val) { $output[] = sprintf('%s: %s', self::dump($key, $flags), self::dump($val, $flags)); } return sprintf('{ %s }', implode(', ', $output)); } private static function dumpNull(int $flags): string { if (Yaml::DUMP_NULL_AS_TILDE & $flags) { return '~'; } return 'null'; } /** * Parses a YAML scalar. * * @throws ParseException When malformed inline YAML string is parsed */ public static function parseScalar(string $scalar, int $flags = 0, array $delimiters = null, int &$i = 0, bool $evaluate = true, array &$references = [], bool &$isQuoted = null): mixed { if (\in_array($scalar[$i], ['"', "'"], true)) { // quoted scalar $isQuoted = true; $output = self::parseQuotedScalar($scalar, $i); if (null !== $delimiters) { $tmp = ltrim(substr($scalar, $i), " \n"); if ('' === $tmp) { throw new ParseException(sprintf('Unexpected end of line, expected one of "%s".', implode('', $delimiters)), self::$parsedLineNumber + 1, $scalar, self::$parsedFilename); } if (!\in_array($tmp[0], $delimiters)) { throw new ParseException(sprintf('Unexpected characters (%s).', substr($scalar, $i)), self::$parsedLineNumber + 1, $scalar, self::$parsedFilename); } } } else { // "normal" string $isQuoted = false; if (!$delimiters) { $output = substr($scalar, $i); $i += \strlen($output); // remove comments if (Parser::preg_match('/[ \t]+#/', $output, $match, \PREG_OFFSET_CAPTURE)) { $output = substr($output, 0, $match[0][1]); } } elseif (Parser::preg_match('/^(.*?)('.implode('|', $delimiters).')/', substr($scalar, $i), $match)) { $output = $match[1]; $i += \strlen($output); $output = trim($output); } else { throw new ParseException(sprintf('Malformed inline YAML string: "%s".', $scalar), self::$parsedLineNumber + 1, null, self::$parsedFilename); } // a non-quoted string cannot start with @ or ` (reserved) nor with a scalar indicator (| or >) if ($output && ('@' === $output[0] || '`' === $output[0] || '|' === $output[0] || '>' === $output[0] || '%' === $output[0])) { throw new ParseException(sprintf('The reserved indicator "%s" cannot start a plain scalar; you need to quote the scalar.', $output[0]), self::$parsedLineNumber + 1, $output, self::$parsedFilename); } if ($evaluate) { $output = self::evaluateScalar($output, $flags, $references, $isQuoted); } } return $output; } /** * Parses a YAML quoted scalar. * * @throws ParseException When malformed inline YAML string is parsed */ private static function parseQuotedScalar(string $scalar, int &$i = 0): string { if (!Parser::preg_match('/'.self::REGEX_QUOTED_STRING.'/Au', substr($scalar, $i), $match)) { throw new ParseException(sprintf('Malformed inline YAML string: "%s".', substr($scalar, $i)), self::$parsedLineNumber + 1, $scalar, self::$parsedFilename); } $output = substr($match[0], 1, -1); $unescaper = new Unescaper(); if ('"' == $scalar[$i]) { $output = $unescaper->unescapeDoubleQuotedString($output); } else { $output = $unescaper->unescapeSingleQuotedString($output); } $i += \strlen($match[0]); return $output; } /** * Parses a YAML sequence. * * @throws ParseException When malformed inline YAML string is parsed */ private static function parseSequence(string $sequence, int $flags, int &$i = 0, array &$references = []): array { $output = []; $len = \strlen($sequence); ++$i; // [foo, bar, ...] while ($i < $len) { if (']' === $sequence[$i]) { return $output; } if (',' === $sequence[$i] || ' ' === $sequence[$i]) { ++$i; continue; } $tag = self::parseTag($sequence, $i, $flags); switch ($sequence[$i]) { case '[': // nested sequence $value = self::parseSequence($sequence, $flags, $i, $references); break; case '{': // nested mapping $value = self::parseMapping($sequence, $flags, $i, $references); break; default: $value = self::parseScalar($sequence, $flags, [',', ']'], $i, null === $tag, $references, $isQuoted); // the value can be an array if a reference has been resolved to an array var if (\is_string($value) && !$isQuoted && false !== strpos($value, ': ')) { // embedded mapping? try { $pos = 0; $value = self::parseMapping('{'.$value.'}', $flags, $pos, $references); } catch (\InvalidArgumentException $e) { // no, it's not } } if (!$isQuoted && \is_string($value) && '' !== $value && '&' === $value[0] && Parser::preg_match(Parser::REFERENCE_PATTERN, $value, $matches)) { $references[$matches['ref']] = $matches['value']; $value = $matches['value']; } --$i; } if (null !== $tag && '' !== $tag) { $value = new TaggedValue($tag, $value); } $output[] = $value; ++$i; } throw new ParseException(sprintf('Malformed inline YAML string: "%s".', $sequence), self::$parsedLineNumber + 1, null, self::$parsedFilename); } /** * Parses a YAML mapping. * * @throws ParseException When malformed inline YAML string is parsed */ private static function parseMapping(string $mapping, int $flags, int &$i = 0, array &$references = []): array|\stdClass { $output = []; $len = \strlen($mapping); ++$i; $allowOverwrite = false; // {foo: bar, bar:foo, ...} while ($i < $len) { switch ($mapping[$i]) { case ' ': case ',': case "\n": ++$i; continue 2; case '}': if (self::$objectForMap) { return (object) $output; } return $output; } // key $offsetBeforeKeyParsing = $i; $isKeyQuoted = \in_array($mapping[$i], ['"', "'"], true); $key = self::parseScalar($mapping, $flags, [':', ' '], $i, false); if ($offsetBeforeKeyParsing === $i) { throw new ParseException('Missing mapping key.', self::$parsedLineNumber + 1, $mapping); } if ('!php/const' === $key) { $key .= ' '.self::parseScalar($mapping, $flags, [':'], $i, false); $key = self::evaluateScalar($key, $flags); } if (false === $i = strpos($mapping, ':', $i)) { break; } if (!$isKeyQuoted) { $evaluatedKey = self::evaluateScalar($key, $flags, $references); if ('' !== $key && $evaluatedKey !== $key && !\is_string($evaluatedKey) && !\is_int($evaluatedKey)) { throw new ParseException('Implicit casting of incompatible mapping keys to strings is not supported. Quote your evaluable mapping keys instead.', self::$parsedLineNumber + 1, $mapping); } } if (!$isKeyQuoted && (!isset($mapping[$i + 1]) || !\in_array($mapping[$i + 1], [' ', ',', '[', ']', '{', '}', "\n"], true))) { throw new ParseException('Colons must be followed by a space or an indication character (i.e. " ", ",", "[", "]", "{", "}").', self::$parsedLineNumber + 1, $mapping); } if ('<<' === $key) { $allowOverwrite = true; } while ($i < $len) { if (':' === $mapping[$i] || ' ' === $mapping[$i] || "\n" === $mapping[$i]) { ++$i; continue; } $tag = self::parseTag($mapping, $i, $flags); switch ($mapping[$i]) { case '[': // nested sequence $value = self::parseSequence($mapping, $flags, $i, $references); // Spec: Keys MUST be unique; first one wins. // Parser cannot abort this mapping earlier, since lines // are processed sequentially. // But overwriting is allowed when a merge node is used in current block. if ('<<' === $key) { foreach ($value as $parsedValue) { $output += $parsedValue; } } elseif ($allowOverwrite || !isset($output[$key])) { if (null !== $tag) { $output[$key] = new TaggedValue($tag, $value); } else { $output[$key] = $value; } } elseif (isset($output[$key])) { throw new ParseException(sprintf('Duplicate key "%s" detected.', $key), self::$parsedLineNumber + 1, $mapping); } break; case '{': // nested mapping $value = self::parseMapping($mapping, $flags, $i, $references); // Spec: Keys MUST be unique; first one wins. // Parser cannot abort this mapping earlier, since lines // are processed sequentially. // But overwriting is allowed when a merge node is used in current block. if ('<<' === $key) { $output += $value; } elseif ($allowOverwrite || !isset($output[$key])) { if (null !== $tag) { $output[$key] = new TaggedValue($tag, $value); } else { $output[$key] = $value; } } elseif (isset($output[$key])) { throw new ParseException(sprintf('Duplicate key "%s" detected.', $key), self::$parsedLineNumber + 1, $mapping); } break; default: $value = self::parseScalar($mapping, $flags, [',', '}', "\n"], $i, null === $tag, $references, $isValueQuoted); // Spec: Keys MUST be unique; first one wins. // Parser cannot abort this mapping earlier, since lines // are processed sequentially. // But overwriting is allowed when a merge node is used in current block. if ('<<' === $key) { $output += $value; } elseif ($allowOverwrite || !isset($output[$key])) { if (!$isValueQuoted && \is_string($value) && '' !== $value && '&' === $value[0] && Parser::preg_match(Parser::REFERENCE_PATTERN, $value, $matches)) { $references[$matches['ref']] = $matches['value']; $value = $matches['value']; } if (null !== $tag) { $output[$key] = new TaggedValue($tag, $value); } else { $output[$key] = $value; } } elseif (isset($output[$key])) { throw new ParseException(sprintf('Duplicate key "%s" detected.', $key), self::$parsedLineNumber + 1, $mapping); } --$i; } ++$i; continue 2; } } throw new ParseException(sprintf('Malformed inline YAML string: "%s".', $mapping), self::$parsedLineNumber + 1, null, self::$parsedFilename); } /** * Evaluates scalars and replaces magic values. * * @throws ParseException when object parsing support was disabled and the parser detected a PHP object or when a reference could not be resolved */ private static function evaluateScalar(string $scalar, int $flags, array &$references = [], bool &$isQuotedString = null): mixed { $isQuotedString = false; $scalar = trim($scalar); if (0 === strpos($scalar, '*')) { if (false !== $pos = strpos($scalar, '#')) { $value = substr($scalar, 1, $pos - 2); } else { $value = substr($scalar, 1); } // an unquoted * if (false === $value || '' === $value) { throw new ParseException('A reference must contain at least one character.', self::$parsedLineNumber + 1, $value, self::$parsedFilename); } if (!\array_key_exists($value, $references)) { throw new ParseException(sprintf('Reference "%s" does not exist.', $value), self::$parsedLineNumber + 1, $value, self::$parsedFilename); } return $references[$value]; } $scalarLower = strtolower($scalar); switch (true) { case 'null' === $scalarLower: case '' === $scalar: case '~' === $scalar: return null; case 'true' === $scalarLower: return true; case 'false' === $scalarLower: return false; case '!' === $scalar[0]: switch (true) { case 0 === strpos($scalar, '!!str '): $s = (string) substr($scalar, 6); if (\in_array($s[0] ?? '', ['"', "'"], true)) { $isQuotedString = true; $s = self::parseQuotedScalar($s); } return $s; case 0 === strpos($scalar, '! '): return substr($scalar, 2); case 0 === strpos($scalar, '!php/object'): if (self::$objectSupport) { if (!isset($scalar[12])) { throw new ParseException('Missing value for tag "!php/object".', self::$parsedLineNumber + 1, $scalar, self::$parsedFilename); } return unserialize(self::parseScalar(substr($scalar, 12))); } if (self::$exceptionOnInvalidType) { throw new ParseException('Object support when parsing a YAML file has been disabled.', self::$parsedLineNumber + 1, $scalar, self::$parsedFilename); } return null; case 0 === strpos($scalar, '!php/const'): if (self::$constantSupport) { if (!isset($scalar[11])) { throw new ParseException('Missing value for tag "!php/const".', self::$parsedLineNumber + 1, $scalar, self::$parsedFilename); } $i = 0; if (\defined($const = self::parseScalar(substr($scalar, 11), 0, null, $i, false))) { return \constant($const); } throw new ParseException(sprintf('The constant "%s" is not defined.', $const), self::$parsedLineNumber + 1, $scalar, self::$parsedFilename); } if (self::$exceptionOnInvalidType) { throw new ParseException(sprintf('The string "%s" could not be parsed as a constant. Did you forget to pass the "Yaml::PARSE_CONSTANT" flag to the parser?', $scalar), self::$parsedLineNumber + 1, $scalar, self::$parsedFilename); } return null; case 0 === strpos($scalar, '!!float '): return (float) substr($scalar, 8); case 0 === strpos($scalar, '!!binary '): return self::evaluateBinaryScalar(substr($scalar, 9)); } throw new ParseException(sprintf('The string "%s" could not be parsed as it uses an unsupported built-in tag.', $scalar), self::$parsedLineNumber, $scalar, self::$parsedFilename); case preg_match('/^(?:\+|-)?0o(?P[0-7_]++)$/', $scalar, $matches): $value = str_replace('_', '', $matches['value']); if ('-' === $scalar[0]) { return -octdec($value); } return octdec($value); case \in_array($scalar[0], ['+', '-', '.'], true) || is_numeric($scalar[0]): if (Parser::preg_match('{^[+-]?[0-9][0-9_]*$}', $scalar)) { $scalar = str_replace('_', '', $scalar); } switch (true) { case ctype_digit($scalar): case '-' === $scalar[0] && ctype_digit(substr($scalar, 1)): $cast = (int) $scalar; return ($scalar === (string) $cast) ? $cast : $scalar; case is_numeric($scalar): case Parser::preg_match(self::getHexRegex(), $scalar): $scalar = str_replace('_', '', $scalar); return '0x' === $scalar[0].$scalar[1] ? hexdec($scalar) : (float) $scalar; case '.inf' === $scalarLower: case '.nan' === $scalarLower: return -log(0); case '-.inf' === $scalarLower: return log(0); case Parser::preg_match('/^(-|\+)?[0-9][0-9_]*(\.[0-9_]+)?$/', $scalar): return (float) str_replace('_', '', $scalar); case Parser::preg_match(self::getTimestampRegex(), $scalar): // When no timezone is provided in the parsed date, YAML spec says we must assume UTC. $time = new \DateTime($scalar, new \DateTimeZone('UTC')); if (Yaml::PARSE_DATETIME & $flags) { return $time; } try { if (false !== $scalar = $time->getTimestamp()) { return $scalar; } } catch (\ValueError $e) { // no-op } return $time->format('U'); } } return (string) $scalar; } private static function parseTag(string $value, int &$i, int $flags): ?string { if ('!' !== $value[$i]) { return null; } $tagLength = strcspn($value, " \t\n[]{},", $i + 1); $tag = substr($value, $i + 1, $tagLength); $nextOffset = $i + $tagLength + 1; $nextOffset += strspn($value, ' ', $nextOffset); if ('' === $tag && (!isset($value[$nextOffset]) || \in_array($value[$nextOffset], [']', '}', ','], true))) { throw new ParseException('Using the unquoted scalar value "!" is not supported. You must quote it.', self::$parsedLineNumber + 1, $value, self::$parsedFilename); } // Is followed by a scalar and is a built-in tag if ('' !== $tag && (!isset($value[$nextOffset]) || !\in_array($value[$nextOffset], ['[', '{'], true)) && ('!' === $tag[0] || 'str' === $tag || 'php/const' === $tag || 'php/object' === $tag)) { // Manage in {@link self::evaluateScalar()} return null; } $i = $nextOffset; // Built-in tags if ('' !== $tag && '!' === $tag[0]) { throw new ParseException(sprintf('The built-in tag "!%s" is not implemented.', $tag), self::$parsedLineNumber + 1, $value, self::$parsedFilename); } if ('' !== $tag && !isset($value[$i])) { throw new ParseException(sprintf('Missing value for tag "%s".', $tag), self::$parsedLineNumber + 1, $value, self::$parsedFilename); } if ('' === $tag || Yaml::PARSE_CUSTOM_TAGS & $flags) { return $tag; } throw new ParseException(sprintf('Tags support is not enabled. Enable the "Yaml::PARSE_CUSTOM_TAGS" flag to use "!%s".', $tag), self::$parsedLineNumber + 1, $value, self::$parsedFilename); } public static function evaluateBinaryScalar(string $scalar): string { $parsedBinaryData = self::parseScalar(preg_replace('/\s/', '', $scalar)); if (0 !== (\strlen($parsedBinaryData) % 4)) { throw new ParseException(sprintf('The normalized base64 encoded data (data without whitespace characters) length must be a multiple of four (%d bytes given).', \strlen($parsedBinaryData)), self::$parsedLineNumber + 1, $scalar, self::$parsedFilename); } if (!Parser::preg_match('#^[A-Z0-9+/]+={0,2}$#i', $parsedBinaryData)) { throw new ParseException(sprintf('The base64 encoded data (%s) contains invalid characters.', $parsedBinaryData), self::$parsedLineNumber + 1, $scalar, self::$parsedFilename); } return base64_decode($parsedBinaryData, true); } private static function isBinaryString(string $value): bool { return !preg_match('//u', $value) || preg_match('/[^\x00\x07-\x0d\x1B\x20-\xff]/', $value); } /** * Gets a regex that matches a YAML date. * * @see http://www.yaml.org/spec/1.2/spec.html#id2761573 */ private static function getTimestampRegex(): string { return <<[0-9][0-9][0-9][0-9]) -(?P[0-9][0-9]?) -(?P[0-9][0-9]?) (?:(?:[Tt]|[ \t]+) (?P[0-9][0-9]?) :(?P[0-9][0-9]) :(?P[0-9][0-9]) (?:\.(?P[0-9]*))? (?:[ \t]*(?PZ|(?P[-+])(?P[0-9][0-9]?) (?::(?P[0-9][0-9]))?))?)? $~x EOF; } /** * Gets a regex that matches a YAML number in hexadecimal notation. */ private static function getHexRegex(): string { return '~^0x[0-9a-f_]++$~i'; } }