From f6933b82bbdb767480abf4cf6818b2db56fae1cc Mon Sep 17 00:00:00 2001 From: Stefan Suhren Date: Sat, 2 May 2015 15:54:22 +0200 Subject: Use composer to pull in propel and set it up --- .../symfony/yaml/Symfony/Component/Yaml/Inline.php | 546 +++++++++++++++++++++ 1 file changed, 546 insertions(+) create mode 100644 Aufgabe06/vendor/symfony/yaml/Symfony/Component/Yaml/Inline.php (limited to 'Aufgabe06/vendor/symfony/yaml/Symfony/Component/Yaml/Inline.php') diff --git a/Aufgabe06/vendor/symfony/yaml/Symfony/Component/Yaml/Inline.php b/Aufgabe06/vendor/symfony/yaml/Symfony/Component/Yaml/Inline.php new file mode 100644 index 0000000..52ea724 --- /dev/null +++ b/Aufgabe06/vendor/symfony/yaml/Symfony/Component/Yaml/Inline.php @@ -0,0 +1,546 @@ + + * + * 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 + */ +class Inline +{ + const REGEX_QUOTED_STRING = '(?:"([^"\\\\]*(?:\\\\.[^"\\\\]*)*)"|\'([^\']*(?:\'\'[^\']*)*)\')'; + + private static $exceptionOnInvalidType = false; + private static $objectSupport = false; + private static $objectForMap = false; + + /** + * Converts a YAML string to a PHP array. + * + * @param string $value A YAML string + * @param bool $exceptionOnInvalidType true if an exception must be thrown on invalid types (a PHP resource or object), false otherwise + * @param bool $objectSupport true if object support is enabled, false otherwise + * @param bool $objectForMap true if maps should return a stdClass instead of array() + * @param array $references Mapping of variable names to values + * + * @return array A PHP array representing the YAML string + * + * @throws ParseException + */ + public static function parse($value, $exceptionOnInvalidType = false, $objectSupport = false, $objectForMap = false, $references = array()) + { + self::$exceptionOnInvalidType = $exceptionOnInvalidType; + self::$objectSupport = $objectSupport; + self::$objectForMap = $objectForMap; + + $value = trim($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, $references); + ++$i; + break; + case '{': + $result = self::parseMapping($value, $i, $references); + ++$i; + break; + default: + $result = self::parseScalar($value, null, array('"', "'"), $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, $i))); + } + + if (isset($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 bool $exceptionOnInvalidType true if an exception must be thrown on invalid types (a PHP resource or object), false otherwise + * @param bool $objectSupport true if object support is enabled, false otherwise + * + * @return string The YAML string representing the PHP array + * + * @throws DumpException When trying to dump PHP resource + */ + public static function dump($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 !== $locale) { + setlocale(LC_NUMERIC, 'C'); + } + if (is_float($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. + $repr = '!!float '.$repr; + } + } else { + $repr = is_string($value) ? "'$value'" : (string) $value; + } + if (false !== $locale) { + setlocale(LC_NUMERIC, $locale); + } + + return $repr; + case '' == $value: + return "''"; + case Escaper::requiresDoubleQuoting($value): + return Escaper::escapeWithDoubleQuotes($value); + case Escaper::requiresSingleQuoting($value): + case preg_match(self::getHexRegex(), $value): + case preg_match(self::getTimestampRegex(), $value): + return Escaper::escapeWithSingleQuotes($value); + default: + return $value; + } + } + + /** + * Dumps a PHP array to a YAML string. + * + * @param array $value The PHP array to dump + * @param bool $exceptionOnInvalidType true if an exception must be thrown on invalid types (a PHP resource or object), false otherwise + * @param bool $objectSupport true if object support is enabled, false otherwise + * + * @return string The YAML string representing the PHP array + */ + private static function dumpArray($value, $exceptionOnInvalidType, $objectSupport) + { + // array + $keys = array_keys($value); + $keysCount = count($keys); + if ((1 === $keysCount && '0' == $keys[0]) + || ($keysCount > 1 && array_reduce($keys, function ($v, $w) { return (int) $v + $w; }, 0) === $keysCount * ($keysCount - 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 string $scalar + * @param string $delimiters + * @param array $stringDelimiters + * @param int &$i + * @param bool $evaluate + * @param array $references + * + * @return string A YAML string + * + * @throws ParseException When malformed inline YAML string is parsed + */ + public static function parseScalar($scalar, $delimiters = null, $stringDelimiters = array('"', "'"), &$i = 0, $evaluate = true, $references = array()) + { + if (in_array($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, $references); + } + } + + return $output; + } + + /** + * Parses a quoted scalar to YAML. + * + * @param string $scalar + * @param int &$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 $sequence + * @param int &$i + * @param array $references + * + * @return string A YAML string + * + * @throws ParseException When malformed inline YAML string is parsed + */ + private static function parseSequence($sequence, &$i = 0, $references = array()) + { + $output = array(); + $len = strlen($sequence); + ++$i; + + // [foo, bar, ...] + while ($i < $len) { + switch ($sequence[$i]) { + case '[': + // nested sequence + $output[] = self::parseSequence($sequence, $i, $references); + break; + case '{': + // nested mapping + $output[] = self::parseMapping($sequence, $i, $references); + break; + case ']': + return $output; + case ',': + case ' ': + break; + default: + $isQuoted = in_array($sequence[$i], array('"', "'")); + $value = self::parseScalar($sequence, array(',', ']'), array('"', "'"), $i, true, $references); + + // the value can be an array if a reference has been resolved to an array var + if (!is_array($value) && !$isQuoted && false !== strpos($value, ': ')) { + // embedded mapping? + try { + $pos = 0; + $value = self::parseMapping('{'.$value.'}', $pos, $references); + } 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 $mapping + * @param int &$i + * @param array $references + * + * @return string A YAML string + * + * @throws ParseException When malformed inline YAML string is parsed + */ + private static function parseMapping($mapping, &$i = 0, $references = array()) + { + $output = array(); + $len = strlen($mapping); + ++$i; + + // {foo: bar, bar:foo, ...} + while ($i < $len) { + switch ($mapping[$i]) { + case ' ': + case ',': + ++$i; + continue 2; + case '}': + if (self::$objectForMap) { + return (object) $output; + } + + return $output; + } + + // key + $key = self::parseScalar($mapping, array(':', ' '), array('"', "'"), $i, false); + + // value + $done = false; + + while ($i < $len) { + switch ($mapping[$i]) { + case '[': + // nested sequence + $value = self::parseSequence($mapping, $i, $references); + // Spec: Keys MUST be unique; first one wins. + // Parser cannot abort this mapping earlier, since lines + // are processed sequentially. + if (!isset($output[$key])) { + $output[$key] = $value; + } + $done = true; + break; + case '{': + // nested mapping + $value = self::parseMapping($mapping, $i, $references); + // Spec: Keys MUST be unique; first one wins. + // Parser cannot abort this mapping earlier, since lines + // are processed sequentially. + if (!isset($output[$key])) { + $output[$key] = $value; + } + $done = true; + break; + case ':': + case ' ': + break; + default: + $value = self::parseScalar($mapping, array(',', '}'), array('"', "'"), $i, true, $references); + // Spec: Keys MUST be unique; first one wins. + // Parser cannot abort this mapping earlier, since lines + // are processed sequentially. + if (!isset($output[$key])) { + $output[$key] = $value; + } + $done = true; + --$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 + * @param array $references + * + * @return string A YAML string + * + * @throws ParseException when object parsing support was disabled and the parser detected a PHP object or when a reference could not be resolved + */ + private static function evaluateScalar($scalar, $references = array()) + { + $scalar = trim($scalar); + $scalarLower = strtolower($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 || '' === $value) { + throw new ParseException('A reference must contain at least one character.'); + } + + if (!array_key_exists($value, $references)) { + throw new ParseException(sprintf('Reference "%s" does not exist.', $value)); + } + + return $references[$value]; + } + + switch (true) { + case 'null' === $scalarLower: + case '' === $scalar: + case '~' === $scalar: + return; + 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($scalar, '! '): + return (int) self::parseScalar(substr($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; + case 0 === strpos($scalar, '!!float '): + return (float) substr($scalar, 8); + case ctype_digit($scalar): + $raw = $scalar; + $cast = (int) $scalar; + + return '0' == $scalar[0] ? octdec($scalar) : (((string) $raw == (string) $cast) ? $cast : $raw); + case '-' === $scalar[0] && ctype_digit(substr($scalar, 1)): + $raw = $scalar; + $cast = (int) $scalar; + + return '0' == $scalar[1] ? octdec($scalar) : (((string) $raw === (string) $cast) ? $cast : $raw); + case is_numeric($scalar): + case preg_match(self::getHexRegex(), $scalar): + return '0x' === $scalar[0].$scalar[1] ? hexdec($scalar) : (float) $scalar; + case '.inf' === $scalarLower: + case '.nan' === $scalarLower: + return -log(0); + case '-.inf' === $scalarLower: + return log(0); + case preg_match('/^(-|\+)?[0-9,]+(\.[0-9]+)?$/', $scalar): + return (float) 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 <<[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]))?))?)? + $~x +EOF; + } + + /** + * Gets a regex that matches a YAML number in hexadecimal notation. + * + * @return string + */ + private static function getHexRegex() + { + return '~^0x[0-9a-f]++$~i'; + } +} -- cgit v1.2.3-70-g09d2