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Name	Size	Last Modified	Actions
📁 ..	-	2025-05-25 12:37
📄 Dumper.php <?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\Yaml; /* * Dumper dumps PHP variables to YAML strings. * * @author Fabien Potencier <fabien@symfony.com> / class Dumper { /* * The amount of spaces to use for indentation of nested nodes. * * @var integer / protected $indentation = 4; /* * Sets the indentation. * * @param integer $num The amount of spaces to use for indentation of nested nodes. / public function setIndentation($num) { $this->indentation = (int) $num; } /* * Dumps a PHP value to YAML. * * @param mixed $input The PHP value * @param integer $inline The level where you switch to inline YAML * @param integer $indent The level of indentation (used internally) * @param Boolean $exceptionOnInvalidType true if an exception must be thrown on invalid types (a PHP resource or object), false otherwise * @param Boolean $objectSupport true if object support is enabled, false otherwise * * @return string The YAML representation of the PHP value */ public function dump($input, $inline = 0, $indent = 0, $exceptionOnInvalidType = false, $objectSupport = false) { $output = ''; $prefix = $indent ? str_repeat(' ', $indent) : ''; if ($inline <= 0 \|\| !is_array($input) \|\| empty($input)) { $output .= $prefix.Inline::dump($input, $exceptionOnInvalidType, $objectSupport); } else { $isAHash = array_keys($input) !== range(0, count($input) - 1); foreach ($input as $key => $value) { $willBeInlined = $inline - 1 <= 0 \|\| !is_array($value) \|\| empty($value); $output .= sprintf('%s%s%s%s', $prefix, $isAHash ? Inline::dump($key, $exceptionOnInvalidType, $objectSupport).':' : '-', $willBeInlined ? ' ' : "\n", $this->dump($value, $inline - 1, $willBeInlined ? 0 : $indent + $this->indentation, $exceptionOnInvalidType, $objectSupport) ).($willBeInlined ? "\n" : ''); } } return $output; } }	2.39 KB	2024-07-17 10:22
📄 Escaper.php <?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\Yaml; /* * Escaper encapsulates escaping rules for single and double-quoted * YAML strings. * * @author Matthew Lewinski <matthew@lewinski.org> / class Escaper { // Characters that would cause a dumped string to require double quoting. const REGEX_CHARACTER_TO_ESCAPE = "[\\x00-\\x1f]\|\xc2\x85\|\xc2\xa0\|\xe2\x80\xa8\|\xe2\x80\xa9"; // Mapping arrays for escaping a double quoted string. The backslash is // first to ensure proper escaping because str_replace operates iteratively // on the input arrays. This ordering of the characters avoids the use of strtr, // which performs more slowly. private static $escapees = array('\\\\', '\\"', '"', "\x00", "\x01", "\x02", "\x03", "\x04", "\x05", "\x06", "\x07", "\x08", "\x09", "\x0a", "\x0b", "\x0c", "\x0d", "\x0e", "\x0f", "\x10", "\x11", "\x12", "\x13", "\x14", "\x15", "\x16", "\x17", "\x18", "\x19", "\x1a", "\x1b", "\x1c", "\x1d", "\x1e", "\x1f", "\xc2\x85", "\xc2\xa0", "\xe2\x80\xa8", "\xe2\x80\xa9"); private static $escaped = array('\\"', '\\\\', '\\"', "\\0", "\\x01", "\\x02", "\\x03", "\\x04", "\\x05", "\\x06", "\\a", "\\b", "\\t", "\\n", "\\v", "\\f", "\\r", "\\x0e", "\\x0f", "\\x10", "\\x11", "\\x12", "\\x13", "\\x14", "\\x15", "\\x16", "\\x17", "\\x18", "\\x19", "\\x1a", "\\e", "\\x1c", "\\x1d", "\\x1e", "\\x1f", "\\N", "\\_", "\\L", "\\P"); /* * Determines if a PHP value would require double quoting in YAML. * * @param string $value A PHP value * * @return Boolean True if the value would require double quotes. / public static function requiresDoubleQuoting($value) { return preg_match('/'.self::REGEX_CHARACTER_TO_ESCAPE.'/u', $value); } /* * Escapes and surrounds a PHP value with double quotes. * * @param string $value A PHP value * * @return string The quoted, escaped string / public static function escapeWithDoubleQuotes($value) { return sprintf('"%s"', str_replace(self::$escapees, self::$escaped, $value)); } /* * Determines if a PHP value would require single quoting in YAML. * * @param string $value A PHP value * * @return Boolean True if the value would require single quotes. / public static function requiresSingleQuoting($value) { return preg_match('/[ \s \' " \: \{ \} \[ \] , & \ \# \?] \| \A[ \- ? \| < > = ! % @ ` ]/x', $value); } /** * Escapes and surrounds a PHP value with single quotes. * * @param string $value A PHP value * * @return string The quoted, escaped string */ public static function escapeWithSingleQuotes($value) { return sprintf("'%s'", str_replace('\'', '\'\'', $value)); } }	3.36 KB	2024-07-17 10:22
📁 Exception	-	2025-05-25 12:37
📄 Inline.php <?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\Yaml; use Symfony\Component\Yaml\Exception\ParseException; use Symfony\Component\Yaml\Exception\DumpException; /* * Inline implements a YAML parser/dumper for the YAML inline syntax. * * @author Fabien Potencier <fabien@symfony.com> / class Inline { const REGEX_QUOTED_STRING = '(?:"([^"\\\\](?:\\\\.[^"\\\\]))"\|\'([^\'](?:\'\'[^\']))\')'; private static $exceptionOnInvalidType = false; private static $objectSupport = false; /* * Converts a YAML string to a PHP array. * * @param string $value A YAML string * @param Boolean $exceptionOnInvalidType true if an exception must be thrown on invalid types (a PHP resource or object), false otherwise * @param Boolean $objectSupport true if object support is enabled, false otherwise * * @return array A PHP array representing the YAML string * * @throws ParseException / public static function parse($value, $exceptionOnInvalidType = false, $objectSupport = false) { self::$exceptionOnInvalidType = $exceptionOnInvalidType; self::$objectSupport = $objectSupport; $value = trim($value); if (0 == strlen($value)) { return ''; } if (function_exists('mb_internal_encoding') && ((int) ini_get('mbstring.func_overload')) & 2) { $mbEncoding = mb_internal_encoding(); mb_internal_encoding('ASCII'); } $i = 0; switch ($value[0]) { case '[': $result = self::parseSequence($value, $i); ++$i; break; case '{': $result = self::parseMapping($value, $i); ++$i; break; default: $result = self::parseScalar($value, null, array('"', "'"), $i); } // some comments are allowed at the end if (preg_replace('/\s+#.$/A', '', substr($value, $i))) { throw new ParseException(sprintf('Unexpected characters near "%s".', substr($value, $i))); } if (isset($mbEncoding)) { mb_internal_encoding($mbEncoding); } return $result; } /** * Dumps a given PHP variable to a YAML string. * * @param mixed $value The PHP variable to convert * @param Boolean $exceptionOnInvalidType true if an exception must be thrown on invalid types (a PHP resource or object), false otherwise * @param Boolean $objectSupport true if object support is enabled, false otherwise * * @return string The YAML string representing the PHP array * * @throws DumpException When trying to dump PHP resource / public static function dump($value, $exceptionOnInvalidType = false, $objectSupport = false) { switch (true) { case is_resource($value): if ($exceptionOnInvalidType) { throw new DumpException(sprintf('Unable to dump PHP resources in a YAML file ("%s").', get_resource_type($value))); } return 'null'; case is_object($value): if ($objectSupport) { return '!!php/object:'.serialize($value); } if ($exceptionOnInvalidType) { throw new DumpException('Object support when dumping a YAML file has been disabled.'); } return 'null'; case is_array($value): return self::dumpArray($value, $exceptionOnInvalidType, $objectSupport); case null === $value: return 'null'; case true === $value: return 'true'; case false === $value: return 'false'; case ctype_digit($value): return is_string($value) ? "'$value'" : (int) $value; case is_numeric($value): $locale = setlocale(LC_NUMERIC, 0); if (false !== $locale) { setlocale(LC_NUMERIC, 'C'); } $repr = is_string($value) ? "'$value'" : (is_infinite($value) ? str_ireplace('INF', '.Inf', strval($value)) : strval($value)); if (false !== $locale) { setlocale(LC_NUMERIC, $locale); } return $repr; case Escaper::requiresDoubleQuoting($value): return Escaper::escapeWithDoubleQuotes($value); case Escaper::requiresSingleQuoting($value): return Escaper::escapeWithSingleQuotes($value); case '' == $value: return "''"; case preg_match(self::getTimestampRegex(), $value): case in_array(strtolower($value), array('null', '~', 'true', 'false')): return "'$value'"; default: return $value; } } /* * Dumps a PHP array to a YAML string. * * @param array $value The PHP array to dump * @param Boolean $exceptionOnInvalidType true if an exception must be thrown on invalid types (a PHP resource or object), false otherwise * @param Boolean $objectSupport true if object support is enabled, false otherwise * * @return string The YAML string representing the PHP array / private static function dumpArray($value, $exceptionOnInvalidType, $objectSupport) { // array $keys = array_keys($value); if ((1 == count($keys) && '0' == $keys[0]) \|\| (count($keys) > 1 && array_reduce($keys, function ($v, $w) { return (integer) $v + $w; }, 0) == count($keys) (count($keys) - 1) / 2) ) { $output = array(); foreach ($value as $val) { $output[] = self::dump($val, $exceptionOnInvalidType, $objectSupport); } return sprintf('[%s]', implode(', ', $output)); } // mapping $output = array(); foreach ($value as $key => $val) { $output[] = sprintf('%s: %s', self::dump($key, $exceptionOnInvalidType, $objectSupport), self::dump($val, $exceptionOnInvalidType, $objectSupport)); } return sprintf('{ %s }', implode(', ', $output)); } /** * Parses a scalar to a YAML string. * * @param scalar $scalar * @param string $delimiters * @param array $stringDelimiters * @param integer &$i * @param Boolean $evaluate * * @return string A YAML string * * @throws ParseException When malformed inline YAML string is parsed / public static function parseScalar($scalar, $delimiters = null, $stringDelimiters = array('"', "'"), &$i = 0, $evaluate = true) { if (in_array($scalar[$i], $stringDelimiters)) { // quoted scalar $output = self::parseQuotedScalar($scalar, $i); if (null !== $delimiters) { $tmp = ltrim(substr($scalar, $i), ' '); if (!in_array($tmp[0], $delimiters)) { throw new ParseException(sprintf('Unexpected characters (%s).', substr($scalar, $i))); } } } else { // "normal" string if (!$delimiters) { $output = substr($scalar, $i); $i += strlen($output); // remove comments if (false !== $strpos = strpos($output, ' #')) { $output = rtrim(substr($output, 0, $strpos)); } } elseif (preg_match('/^(.+?)('.implode('\|', $delimiters).')/', substr($scalar, $i), $match)) { $output = $match[1]; $i += strlen($output); } else { throw new ParseException(sprintf('Malformed inline YAML string (%s).', $scalar)); } if ($evaluate) { $output = self::evaluateScalar($output); } } return $output; } /* * Parses a quoted scalar to YAML. * * @param string $scalar * @param integer &$i * * @return string A YAML string * * @throws ParseException When malformed inline YAML string is parsed / private static function parseQuotedScalar($scalar, &$i) { if (!preg_match('/'.self::REGEX_QUOTED_STRING.'/Au', substr($scalar, $i), $match)) { throw new ParseException(sprintf('Malformed inline YAML string (%s).', substr($scalar, $i))); } $output = substr($match[0], 1, strlen($match[0]) - 2); $unescaper = new Unescaper(); if ('"' == $scalar[$i]) { $output = $unescaper->unescapeDoubleQuotedString($output); } else { $output = $unescaper->unescapeSingleQuotedString($output); } $i += strlen($match[0]); return $output; } /* * Parses a sequence to a YAML string. * * @param string $sequence * @param integer &$i * * @return string A YAML string * * @throws ParseException When malformed inline YAML string is parsed / private static function parseSequence($sequence, &$i = 0) { $output = array(); $len = strlen($sequence); $i += 1; // [foo, bar, ...] while ($i < $len) { switch ($sequence[$i]) { case '[': // nested sequence $output[] = self::parseSequence($sequence, $i); break; case '{': // nested mapping $output[] = self::parseMapping($sequence, $i); break; case ']': return $output; case ',': case ' ': break; default: $isQuoted = in_array($sequence[$i], array('"', "'")); $value = self::parseScalar($sequence, array(',', ']'), array('"', "'"), $i); if (!$isQuoted && false !== strpos($value, ': ')) { // embedded mapping? try { $value = self::parseMapping('{'.$value.'}'); } catch (\InvalidArgumentException $e) { // no, it's not } } $output[] = $value; --$i; } ++$i; } throw new ParseException(sprintf('Malformed inline YAML string %s', $sequence)); } /* * Parses a mapping to a YAML string. * * @param string $mapping * @param integer &$i * * @return string A YAML string * * @throws ParseException When malformed inline YAML string is parsed / private static function parseMapping($mapping, &$i = 0) { $output = array(); $len = strlen($mapping); $i += 1; // {foo: bar, bar:foo, ...} while ($i < $len) { switch ($mapping[$i]) { case ' ': case ',': ++$i; continue 2; case '}': return $output; } // key $key = self::parseScalar($mapping, array(':', ' '), array('"', "'"), $i, false); // value $done = false; while ($i < $len) { switch ($mapping[$i]) { case '[': // nested sequence $output[$key] = self::parseSequence($mapping, $i); $done = true; break; case '{': // nested mapping $output[$key] = self::parseMapping($mapping, $i); $done = true; break; case ':': case ' ': break; default: $output[$key] = self::parseScalar($mapping, array(',', '}'), array('"', "'"), $i); $done = true; --$i; } ++$i; if ($done) { continue 2; } } } throw new ParseException(sprintf('Malformed inline YAML string %s', $mapping)); } /* * Evaluates scalars and replaces magic values. * * @param string $scalar * * @return string A YAML string / private static function evaluateScalar($scalar) { $scalar = trim($scalar); $scalarLower = strtolower($scalar); switch (true) { case 'null' === $scalarLower: case '' === $scalar: case '~' === $scalar: return null; case 'true' === $scalarLower: return true; case 'false' === $scalarLower: return false; // Optimise for returning strings. case $scalar[0] === '+' \|\| $scalar[0] === '-' \|\| $scalar[0] === '.' \|\| $scalar[0] === '!' \|\| is_numeric($scalar[0]): switch (true) { case 0 === strpos($scalar, '!str'): return (string) substr($scalar, 5); case 0 === strpos($scalar, '! '): return intval(self::parseScalar(substr($scalar, 2))); case 0 === strpos($scalar, '!!php/object:'): if (self::$objectSupport) { return unserialize(substr($scalar, 13)); } if (self::$exceptionOnInvalidType) { throw new ParseException('Object support when parsing a YAML file has been disabled.'); } return null; case ctype_digit($scalar): $raw = $scalar; $cast = intval($scalar); return '0' == $scalar[0] ? octdec($scalar) : (((string) $raw == (string) $cast) ? $cast : $raw); case '-' === $scalar[0] && ctype_digit(substr($scalar, 1)): $raw = $scalar; $cast = intval($scalar); return '0' == $scalar[1] ? octdec($scalar) : (((string) $raw == (string) $cast) ? $cast : $raw); case is_numeric($scalar): return '0x' == $scalar[0].$scalar[1] ? hexdec($scalar) : floatval($scalar); case '.inf' === $scalarLower: case '.nan' === $scalarLower: return -log(0); case '-.inf' === $scalarLower: return log(0); case preg_match('/^(-\|\+)?[0-9,]+(\.[0-9]+)?$/', $scalar): return floatval(str_replace(',', '', $scalar)); case preg_match(self::getTimestampRegex(), $scalar): return strtotime($scalar); } default: return (string) $scalar; } } /* * Gets a regex that matches a YAML date. * * @return string The regular expression * * @see http://www.yaml.org/spec/1.2/spec.html#id2761573 / private static function getTimestampRegex() { return <<<EOF ~^ (?P<year>[0-9][0-9][0-9][0-9]) -(?P<month>[0-9][0-9]?) -(?P<day>[0-9][0-9]?) (?:(?:[Tt]\|[ \t]+) (?P<hour>[0-9][0-9]?) :(?P<minute>[0-9][0-9]) :(?P<second>[0-9][0-9]) (?:\.(?P<fraction>[0-9]))? (?:[ \t]*(?P<tz>Z\|(?P<tz_sign>[-+])(?P<tz_hour>[0-9][0-9]?) (?::(?P<tz_minute>[0-9][0-9]))?))?)? $~x EOF; } }	15.91 KB	2024-07-17 10:22
📄 Parser.php <?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\Yaml; use Symfony\Component\Yaml\Exception\ParseException; /* * Parser parses YAML strings to convert them to PHP arrays. * * @author Fabien Potencier <fabien@symfony.com> / class Parser { const FOLDED_SCALAR_PATTERN = '(?P<separator>\\|\|>)(?P<modifiers>\+\|\-\|\d+\|\+\d+\|\-\d+\|\d+\+\|\d+\-)?(?P<comments> +#.)?'; private $offset = 0; private $lines = array(); private $currentLineNb = -1; private $currentLine = ''; private $refs = array(); /** * Constructor * * @param integer $offset The offset of YAML document (used for line numbers in error messages) / public function __construct($offset = 0) { $this->offset = $offset; } /* * Parses a YAML string to a PHP value. * * @param string $value A YAML string * @param Boolean $exceptionOnInvalidType true if an exception must be thrown on invalid types (a PHP resource or object), false otherwise * @param Boolean $objectSupport true if object support is enabled, false otherwise * * @return mixed A PHP value * * @throws ParseException If the YAML is not valid / public function parse($value, $exceptionOnInvalidType = false, $objectSupport = false) { $this->currentLineNb = -1; $this->currentLine = ''; $this->lines = explode("\n", $this->cleanup($value)); if (function_exists('mb_detect_encoding') && false === mb_detect_encoding($value, 'UTF-8', true)) { throw new ParseException('The YAML value does not appear to be valid UTF-8.'); } if (function_exists('mb_internal_encoding') && ((int) ini_get('mbstring.func_overload')) & 2) { $mbEncoding = mb_internal_encoding(); mb_internal_encoding('UTF-8'); } $data = array(); $context = null; while ($this->moveToNextLine()) { if ($this->isCurrentLineEmpty()) { continue; } // tab? if ("\t" === $this->currentLine[0]) { throw new ParseException('A YAML file cannot contain tabs as indentation.', $this->getRealCurrentLineNb() + 1, $this->currentLine); } $isRef = $isInPlace = $isProcessed = false; if (preg_match('#^\-((?P<leadspaces>\s+)(?P<value>.+?))?\s$#u', $this->currentLine, $values)) { if ($context && 'mapping' == $context) { throw new ParseException('You cannot define a sequence item when in a mapping'); } $context = 'sequence'; if (isset($values['value']) && preg_match('#^&(?P<ref>[^ ]+) (?P<value>.)#u', $values['value'], $matches)) { $isRef = $matches['ref']; $values['value'] = $matches['value']; } // array if (!isset($values['value']) \|\| '' == trim($values['value'], ' ') \|\| 0 === strpos(ltrim($values['value'], ' '), '#')) { $c = $this->getRealCurrentLineNb() + 1; $parser = new Parser($c); $parser->refs =& $this->refs; $data[] = $parser->parse($this->getNextEmbedBlock(), $exceptionOnInvalidType, $objectSupport); } else { if (isset($values['leadspaces']) && ' ' == $values['leadspaces'] && preg_match('#^(?P<key>'.Inline::REGEX_QUOTED_STRING.'\|[^ \'"\{\[].?) \:(\s+(?P<value>.+?))?\s$#u', $values['value'], $matches) ) { // this is a compact notation element, add to next block and parse $c = $this->getRealCurrentLineNb(); $parser = new Parser($c); $parser->refs =& $this->refs; $block = $values['value']; if ($this->isNextLineIndented()) { $block .= "\n".$this->getNextEmbedBlock($this->getCurrentLineIndentation() + 2); } $data[] = $parser->parse($block, $exceptionOnInvalidType, $objectSupport); } else { $data[] = $this->parseValue($values['value'], $exceptionOnInvalidType, $objectSupport); } } } elseif (preg_match('#^(?P<key>'.Inline::REGEX_QUOTED_STRING.'\|[^ \'"\[\{].?) \:(\s+(?P<value>.+?))?\s$#u', $this->currentLine, $values) && false === strpos($values['key'],' #')) { if ($context && 'sequence' == $context) { throw new ParseException('You cannot define a mapping item when in a sequence'); } $context = 'mapping'; // force correct settings Inline::parse(null, $exceptionOnInvalidType, $objectSupport); try { $key = Inline::parseScalar($values['key']); } catch (ParseException $e) { $e->setParsedLine($this->getRealCurrentLineNb() + 1); $e->setSnippet($this->currentLine); throw $e; } if ('<<' === $key) { if (isset($values['value']) && 0 === strpos($values['value'], '')) { $isInPlace = substr($values['value'], 1); if (!array_key_exists($isInPlace, $this->refs)) { throw new ParseException(sprintf('Reference "%s" does not exist.', $isInPlace), $this->getRealCurrentLineNb() + 1, $this->currentLine); } } else { if (isset($values['value']) && $values['value'] !== '') { $value = $values['value']; } else { $value = $this->getNextEmbedBlock(); } $c = $this->getRealCurrentLineNb() + 1; $parser = new Parser($c); $parser->refs =& $this->refs; $parsed = $parser->parse($value, $exceptionOnInvalidType, $objectSupport); $merged = array(); if (!is_array($parsed)) { throw new ParseException('YAML merge keys used with a scalar value instead of an array.', $this->getRealCurrentLineNb() + 1, $this->currentLine); } elseif (isset($parsed[0])) { // Numeric array, merge individual elements foreach (array_reverse($parsed) as $parsedItem) { if (!is_array($parsedItem)) { throw new ParseException('Merge items must be arrays.', $this->getRealCurrentLineNb() + 1, $parsedItem); } $merged = array_merge($parsedItem, $merged); } } else { // Associative array, merge $merged = array_merge($merged, $parsed); } $isProcessed = $merged; } } elseif (isset($values['value']) && preg_match('#^&(?P<ref>[^ ]+) (?P<value>.)#u', $values['value'], $matches)) { $isRef = $matches['ref']; $values['value'] = $matches['value']; } if ($isProcessed) { // Merge keys $data = $isProcessed; // hash } elseif (!isset($values['value']) \|\| '' == trim($values['value'], ' ') \|\| 0 === strpos(ltrim($values['value'], ' '), '#')) { // if next line is less indented or equal, then it means that the current value is null if (!$this->isNextLineIndented() && !$this->isNextLineUnIndentedCollection()) { $data[$key] = null; } else { $c = $this->getRealCurrentLineNb() + 1; $parser = new Parser($c); $parser->refs =& $this->refs; $data[$key] = $parser->parse($this->getNextEmbedBlock(), $exceptionOnInvalidType, $objectSupport); } } else { if ($isInPlace) { $data = $this->refs[$isInPlace]; } else { $data[$key] = $this->parseValue($values['value'], $exceptionOnInvalidType, $objectSupport); } } } else { // 1-liner optionally followed by newline $lineCount = count($this->lines); if (1 === $lineCount \|\| (2 === $lineCount && empty($this->lines[1]))) { try { $value = Inline::parse($this->lines[0], $exceptionOnInvalidType, $objectSupport); } catch (ParseException $e) { $e->setParsedLine($this->getRealCurrentLineNb() + 1); $e->setSnippet($this->currentLine); throw $e; } if (is_array($value)) { $first = reset($value); if (is_string($first) && 0 === strpos($first, '')) { $data = array(); foreach ($value as $alias) { $data[] = $this->refs[substr($alias, 1)]; } $value = $data; } } if (isset($mbEncoding)) { mb_internal_encoding($mbEncoding); } return $value; } switch (preg_last_error()) { case PREG_INTERNAL_ERROR: $error = 'Internal PCRE error.'; break; case PREG_BACKTRACK_LIMIT_ERROR: $error = 'pcre.backtrack_limit reached.'; break; case PREG_RECURSION_LIMIT_ERROR: $error = 'pcre.recursion_limit reached.'; break; case PREG_BAD_UTF8_ERROR: $error = 'Malformed UTF-8 data.'; break; case PREG_BAD_UTF8_OFFSET_ERROR: $error = 'Offset doesn\'t correspond to the begin of a valid UTF-8 code point.'; break; default: $error = 'Unable to parse.'; } throw new ParseException($error, $this->getRealCurrentLineNb() + 1, $this->currentLine); } if ($isRef) { $this->refs[$isRef] = end($data); } } if (isset($mbEncoding)) { mb_internal_encoding($mbEncoding); } return empty($data) ? null : $data; } /** * Returns the current line number (takes the offset into account). * * @return integer The current line number / private function getRealCurrentLineNb() { return $this->currentLineNb + $this->offset; } /* * Returns the current line indentation. * * @return integer The current line indentation / private function getCurrentLineIndentation() { return strlen($this->currentLine) - strlen(ltrim($this->currentLine, ' ')); } /* * Returns the next embed block of YAML. * * @param integer $indentation The indent level at which the block is to be read, or null for default * * @return string A YAML string * * @throws ParseException When indentation problem are detected / private function getNextEmbedBlock($indentation = null) { $this->moveToNextLine(); if (null === $indentation) { $newIndent = $this->getCurrentLineIndentation(); $unindentedEmbedBlock = $this->isStringUnIndentedCollectionItem($this->currentLine); if (!$this->isCurrentLineEmpty() && 0 === $newIndent && !$unindentedEmbedBlock) { throw new ParseException('Indentation problem.', $this->getRealCurrentLineNb() + 1, $this->currentLine); } } else { $newIndent = $indentation; } $data = array(substr($this->currentLine, $newIndent)); $isItUnindentedCollection = $this->isStringUnIndentedCollectionItem($this->currentLine); // Comments must not be removed inside a string block (ie. after a line ending with "\|") $removeCommentsPattern = '~'.self::FOLDED_SCALAR_PATTERN.'$~'; $removeComments = !preg_match($removeCommentsPattern, $this->currentLine); while ($this->moveToNextLine()) { $indent = $this->getCurrentLineIndentation(); if ($indent === $newIndent) { $removeComments = !preg_match($removeCommentsPattern, $this->currentLine); } if ($isItUnindentedCollection && !$this->isStringUnIndentedCollectionItem($this->currentLine)) { $this->moveToPreviousLine(); break; } if ($this->isCurrentLineBlank()) { $data[] = substr($this->currentLine, $newIndent); continue; } if ($removeComments && $this->isCurrentLineComment()) { continue; } if ($indent >= $newIndent) { $data[] = substr($this->currentLine, $newIndent); } elseif (0 == $indent) { $this->moveToPreviousLine(); break; } else { throw new ParseException('Indentation problem.', $this->getRealCurrentLineNb() + 1, $this->currentLine); } } return implode("\n", $data); } /* * Moves the parser to the next line. * * @return Boolean / private function moveToNextLine() { if ($this->currentLineNb >= count($this->lines) - 1) { return false; } $this->currentLine = $this->lines[++$this->currentLineNb]; return true; } /* * Moves the parser to the previous line. / private function moveToPreviousLine() { $this->currentLine = $this->lines[--$this->currentLineNb]; } /* * Parses a YAML value. * * @param string $value A YAML value * @param Boolean $exceptionOnInvalidType True if an exception must be thrown on invalid types false otherwise * @param Boolean $objectSupport True if object support is enabled, false otherwise * * @return mixed A PHP value * * @throws ParseException When reference does not exist / private function parseValue($value, $exceptionOnInvalidType, $objectSupport) { if (0 === strpos($value, '')) { if (false !== $pos = strpos($value, '#')) { $value = substr($value, 1, $pos - 2); } else { $value = substr($value, 1); } if (!array_key_exists($value, $this->refs)) { throw new ParseException(sprintf('Reference "%s" does not exist.', $value), $this->currentLine); } return $this->refs[$value]; } if (preg_match('/^'.self::FOLDED_SCALAR_PATTERN.'$/', $value, $matches)) { $modifiers = isset($matches['modifiers']) ? $matches['modifiers'] : ''; return $this->parseFoldedScalar($matches['separator'], preg_replace('#\d+#', '', $modifiers), intval(abs($modifiers))); } try { return Inline::parse($value, $exceptionOnInvalidType, $objectSupport); } catch (ParseException $e) { $e->setParsedLine($this->getRealCurrentLineNb() + 1); $e->setSnippet($this->currentLine); throw $e; } } /** * Parses a folded scalar. * * @param string $separator The separator that was used to begin this folded scalar (\| or >) * @param string $indicator The indicator that was used to begin this folded scalar (+ or -) * @param integer $indentation The indentation that was used to begin this folded scalar * * @return string The text value / private function parseFoldedScalar($separator, $indicator = '', $indentation = 0) { $notEOF = $this->moveToNextLine(); if (!$notEOF) { return ''; } $isCurrentLineBlank = $this->isCurrentLineBlank(); $text = ''; // leading blank lines are consumed before determining indentation while ($notEOF && $isCurrentLineBlank) { // newline only if not EOF if ($notEOF = $this->moveToNextLine()) { $text .= "\n"; $isCurrentLineBlank = $this->isCurrentLineBlank(); } } // determine indentation if not specified if (0 === $indentation) { if (preg_match('/^ +/', $this->currentLine, $matches)) { $indentation = strlen($matches[0]); } } if ($indentation > 0) { $pattern = sprintf('/^ {%d}(.)$/', $indentation); while ( $notEOF && ( $isCurrentLineBlank \|\| preg_match($pattern, $this->currentLine, $matches) ) ) { if ($isCurrentLineBlank) { $text .= substr($this->currentLine, $indentation); } else { $text .= $matches[1]; } // newline only if not EOF if ($notEOF = $this->moveToNextLine()) { $text .= "\n"; $isCurrentLineBlank = $this->isCurrentLineBlank(); } } } elseif ($notEOF) { $text .= "\n"; } if ($notEOF) { $this->moveToPreviousLine(); } // replace all non-trailing single newlines with spaces in folded blocks if ('>' === $separator) { preg_match('/(\n)$/', $text, $matches); $text = preg_replace('/(?<!\n)\n(?!\n)/', ' ', rtrim($text, "\n")); $text .= $matches[1]; } // deal with trailing newlines as indicated if ('' === $indicator) { $text = preg_replace('/\n+$/s', "\n", $text); } elseif ('-' === $indicator) { $text = preg_replace('/\n+$/s', '', $text); } return $text; } /* * Returns true if the next line is indented. * * @return Boolean Returns true if the next line is indented, false otherwise / private function isNextLineIndented() { $currentIndentation = $this->getCurrentLineIndentation(); $EOF = !$this->moveToNextLine(); while (!$EOF && $this->isCurrentLineEmpty()) { $EOF = !$this->moveToNextLine(); } if ($EOF) { return false; } $ret = false; if ($this->getCurrentLineIndentation() > $currentIndentation) { $ret = true; } $this->moveToPreviousLine(); return $ret; } /* * Returns true if the current line is blank or if it is a comment line. * * @return Boolean Returns true if the current line is empty or if it is a comment line, false otherwise / private function isCurrentLineEmpty() { return $this->isCurrentLineBlank() \|\| $this->isCurrentLineComment(); } /* * Returns true if the current line is blank. * * @return Boolean Returns true if the current line is blank, false otherwise / private function isCurrentLineBlank() { return '' == trim($this->currentLine, ' '); } /* * Returns true if the current line is a comment line. * * @return Boolean Returns true if the current line is a comment line, false otherwise / private function isCurrentLineComment() { //checking explicitly the first char of the trim is faster than loops or strpos $ltrimmedLine = ltrim($this->currentLine, ' '); return $ltrimmedLine[0] === '#'; } /* * Cleanups a YAML string to be parsed. * * @param string $value The input YAML string * * @return string A cleaned up YAML string / private function cleanup($value) { $value = str_replace(array("\r\n", "\r"), "\n", $value); // strip YAML header $count = 0; $value = preg_replace('#^\%YAML[: ][\d\.]+.\n#su', '', $value, -1, $count); $this->offset += $count; // remove leading comments $trimmedValue = preg_replace('#^(\#.?\n)+#s', '', $value, -1, $count); if ($count == 1) { // items have been removed, update the offset $this->offset += substr_count($value, "\n") - substr_count($trimmedValue, "\n"); $value = $trimmedValue; } // remove start of the document marker (---) $trimmedValue = preg_replace('#^\-\-\-.?\n#s', '', $value, -1, $count); if ($count == 1) { // items have been removed, update the offset $this->offset += substr_count($value, "\n") - substr_count($trimmedValue, "\n"); $value = $trimmedValue; // remove end of the document marker (...) $value = preg_replace('#\.\.\.\s$#s', '', $value); } return $value; } /* * Returns true if the next line starts unindented collection * * @return Boolean Returns true if the next line starts unindented collection, false otherwise / private function isNextLineUnIndentedCollection() { $currentIndentation = $this->getCurrentLineIndentation(); $notEOF = $this->moveToNextLine(); while ($notEOF && $this->isCurrentLineEmpty()) { $notEOF = $this->moveToNextLine(); } if (false === $notEOF) { return false; } $ret = false; if ( $this->getCurrentLineIndentation() == $currentIndentation && $this->isStringUnIndentedCollectionItem($this->currentLine) ) { $ret = true; } $this->moveToPreviousLine(); return $ret; } /* * Returns true if the string is un-indented collection item * * @return Boolean Returns true if the string is un-indented collection item, false otherwise */ private function isStringUnIndentedCollectionItem() { return (0 === strpos($this->currentLine, '- ')); } }	22.9 KB	2024-07-17 10:22
📄 Unescaper.php <?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\Yaml; /* * Unescaper encapsulates unescaping rules for single and double-quoted * YAML strings. * * @author Matthew Lewinski <matthew@lewinski.org> / class Unescaper { // Parser and Inline assume UTF-8 encoding, so escaped Unicode characters // must be converted to that encoding. const ENCODING = 'UTF-8'; // Regex fragment that matches an escaped character in a double quoted // string. const REGEX_ESCAPED_CHARACTER = "\\\\([0abt\tnvfre \\\"\\/\\\\N_LP]\|x[0-9a-fA-F]{2}\|u[0-9a-fA-F]{4}\|U[0-9a-fA-F]{8})"; /* * Unescapes a single quoted string. * * @param string $value A single quoted string. * * @return string The unescaped string. / public function unescapeSingleQuotedString($value) { return str_replace('\'\'', '\'', $value); } /* * Unescapes a double quoted string. * * @param string $value A double quoted string. * * @return string The unescaped string. / public function unescapeDoubleQuotedString($value) { $self = $this; $callback = function ($match) use ($self) { return $self->unescapeCharacter($match[0]); }; // evaluate the string return preg_replace_callback('/'.self::REGEX_ESCAPED_CHARACTER.'/u', $callback, $value); } /* * Unescapes a character that was found in a double-quoted string * * @param string $value An escaped character * * @return string The unescaped character / public function unescapeCharacter($value) { switch ($value{1}) { case '0': return "\x0"; case 'a': return "\x7"; case 'b': return "\x8"; case 't': return "\t"; case "\t": return "\t"; case 'n': return "\n"; case 'v': return "\xb"; case 'f': return "\xc"; case 'r': return "\xd"; case 'e': return "\x1b"; case ' ': return ' '; case '"': return '"'; case '/': return '/'; case '\\': return '\\'; case 'N': // U+0085 NEXT LINE return $this->convertEncoding("\x00\x85", self::ENCODING, 'UCS-2BE'); case '_': // U+00A0 NO-BREAK SPACE return $this->convertEncoding("\x00\xA0", self::ENCODING, 'UCS-2BE'); case 'L': // U+2028 LINE SEPARATOR return $this->convertEncoding("\x20\x28", self::ENCODING, 'UCS-2BE'); case 'P': // U+2029 PARAGRAPH SEPARATOR return $this->convertEncoding("\x20\x29", self::ENCODING, 'UCS-2BE'); case 'x': $char = pack('n', hexdec(substr($value, 2, 2))); return $this->convertEncoding($char, self::ENCODING, 'UCS-2BE'); case 'u': $char = pack('n', hexdec(substr($value, 2, 4))); return $this->convertEncoding($char, self::ENCODING, 'UCS-2BE'); case 'U': $char = pack('N', hexdec(substr($value, 2, 8))); return $this->convertEncoding($char, self::ENCODING, 'UCS-4BE'); } } /* * Convert a string from one encoding to another. * * @param string $value The string to convert * @param string $to The input encoding * @param string $from The output encoding * * @return string The string with the new encoding * * @throws \RuntimeException if no suitable encoding function is found (iconv or mbstring) */ private function convertEncoding($value, $to, $from) { if (function_exists('mb_convert_encoding')) { return mb_convert_encoding($value, $to, $from); } elseif (function_exists('iconv')) { return iconv($from, $to, $value); } throw new \RuntimeException('No suitable convert encoding function (install the iconv or mbstring extension).'); } }	4.41 KB	2024-07-17 10:22
📄 Yaml.php <?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\Yaml; use Symfony\Component\Yaml\Exception\ParseException; /* * Yaml offers convenience methods to load and dump YAML. * * @author Fabien Potencier <fabien@symfony.com> * * @api / class Yaml { /* * Parses YAML into a PHP array. * * The parse method, when supplied with a YAML stream (string or file), * will do its best to convert YAML in a file into a PHP array. * * Usage: * <code> * $array = Yaml::parse('config.yml'); * print_r($array); * </code> * * As this method accepts both plain strings and file names as an input, * you must validate the input before calling this method. Passing a file * as an input is a deprecated feature and will be removed in 3.0. * * @param string $input Path to a YAML file or a string containing YAML * @param Boolean $exceptionOnInvalidType True if an exception must be thrown on invalid types false otherwise * @param Boolean $objectSupport True if object support is enabled, false otherwise * * @return array The YAML converted to a PHP array * * @throws ParseException If the YAML is not valid * * @api / public static function parse($input, $exceptionOnInvalidType = false, $objectSupport = false) { // if input is a file, process it $file = ''; if (strpos($input, "\n") === false && is_file($input)) { if (false === is_readable($input)) { throw new ParseException(sprintf('Unable to parse "%s" as the file is not readable.', $input)); } $file = $input; $input = file_get_contents($file); } $yaml = new Parser(); try { return $yaml->parse($input, $exceptionOnInvalidType, $objectSupport); } catch (ParseException $e) { if ($file) { $e->setParsedFile($file); } throw $e; } } /* * Dumps a PHP array to a YAML string. * * The dump method, when supplied with an array, will do its best * to convert the array into friendly YAML. * * @param array $array PHP array * @param integer $inline The level where you switch to inline YAML * @param integer $indent The amount of spaces to use for indentation of nested nodes. * @param Boolean $exceptionOnInvalidType true if an exception must be thrown on invalid types (a PHP resource or object), false otherwise * @param Boolean $objectSupport true if object support is enabled, false otherwise * * @return string A YAML string representing the original PHP array * * @api */ public static function dump($array, $inline = 2, $indent = 4, $exceptionOnInvalidType = false, $objectSupport = false) { $yaml = new Dumper(); $yaml->setIndentation($indent); return $yaml->dump($array, $inline, 0, $exceptionOnInvalidType, $objectSupport); } }	3.26 KB	2024-07-17 10:22
📄 autoloader.php <?php spl_autoload_register(function ($class) { if ('\\' == $class[0]) { $class = substr($class, 1); } if ( 0 === strpos($class, 'Symfony\\Component\\Yaml\\') && file_exists($file = __DIR__.'/../../../'.str_replace('\\', '/', $class).'.php') ) { require_once $file; } });	334 B	2024-07-17 10:22

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