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Diffstat (limited to 'assets/php/vendor/symfony/routing/RouteCompiler.php')
| -rwxr-xr-x | assets/php/vendor/symfony/routing/RouteCompiler.php | 316 |
1 files changed, 0 insertions, 316 deletions
diff --git a/assets/php/vendor/symfony/routing/RouteCompiler.php b/assets/php/vendor/symfony/routing/RouteCompiler.php deleted file mode 100755 index dc4e4f8..0000000 --- a/assets/php/vendor/symfony/routing/RouteCompiler.php +++ /dev/null @@ -1,316 +0,0 @@ -<?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\Routing; - -/** - * RouteCompiler compiles Route instances to CompiledRoute instances. - * - * @author Fabien Potencier <fabien@symfony.com> - * @author Tobias Schultze <http://tobion.de> - */ -class RouteCompiler implements RouteCompilerInterface -{ - const REGEX_DELIMITER = '#'; - - /** - * This string defines the characters that are automatically considered separators in front of - * optional placeholders (with default and no static text following). Such a single separator - * can be left out together with the optional placeholder from matching and generating URLs. - */ - const SEPARATORS = '/,;.:-_~+*=@|'; - - /** - * The maximum supported length of a PCRE subpattern name - * http://pcre.org/current/doc/html/pcre2pattern.html#SEC16. - * - * @internal - */ - const VARIABLE_MAXIMUM_LENGTH = 32; - - /** - * {@inheritdoc} - * - * @throws \InvalidArgumentException if a path variable is named _fragment - * @throws \LogicException if a variable is referenced more than once - * @throws \DomainException if a variable name starts with a digit or if it is too long to be successfully used as - * a PCRE subpattern - */ - public static function compile(Route $route) - { - $hostVariables = array(); - $variables = array(); - $hostRegex = null; - $hostTokens = array(); - - if ('' !== $host = $route->getHost()) { - $result = self::compilePattern($route, $host, true); - - $hostVariables = $result['variables']; - $variables = $hostVariables; - - $hostTokens = $result['tokens']; - $hostRegex = $result['regex']; - } - - $path = $route->getPath(); - - $result = self::compilePattern($route, $path, false); - - $staticPrefix = $result['staticPrefix']; - - $pathVariables = $result['variables']; - - foreach ($pathVariables as $pathParam) { - if ('_fragment' === $pathParam) { - throw new \InvalidArgumentException(sprintf('Route pattern "%s" cannot contain "_fragment" as a path parameter.', $route->getPath())); - } - } - - $variables = array_merge($variables, $pathVariables); - - $tokens = $result['tokens']; - $regex = $result['regex']; - - return new CompiledRoute( - $staticPrefix, - $regex, - $tokens, - $pathVariables, - $hostRegex, - $hostTokens, - $hostVariables, - array_unique($variables) - ); - } - - private static function compilePattern(Route $route, $pattern, $isHost) - { - $tokens = array(); - $variables = array(); - $matches = array(); - $pos = 0; - $defaultSeparator = $isHost ? '.' : '/'; - $useUtf8 = preg_match('//u', $pattern); - $needsUtf8 = $route->getOption('utf8'); - - if (!$needsUtf8 && $useUtf8 && preg_match('/[\x80-\xFF]/', $pattern)) { - $needsUtf8 = true; - @trigger_error(sprintf('Using UTF-8 route patterns without setting the "utf8" option is deprecated since Symfony 3.2 and will throw a LogicException in 4.0. Turn on the "utf8" route option for pattern "%s".', $pattern), E_USER_DEPRECATED); - } - if (!$useUtf8 && $needsUtf8) { - throw new \LogicException(sprintf('Cannot mix UTF-8 requirements with non-UTF-8 pattern "%s".', $pattern)); - } - - // Match all variables enclosed in "{}" and iterate over them. But we only want to match the innermost variable - // in case of nested "{}", e.g. {foo{bar}}. This in ensured because \w does not match "{" or "}" itself. - preg_match_all('#\{\w+\}#', $pattern, $matches, PREG_OFFSET_CAPTURE | PREG_SET_ORDER); - foreach ($matches as $match) { - $varName = substr($match[0][0], 1, -1); - // get all static text preceding the current variable - $precedingText = substr($pattern, $pos, $match[0][1] - $pos); - $pos = $match[0][1] + strlen($match[0][0]); - - if (!strlen($precedingText)) { - $precedingChar = ''; - } elseif ($useUtf8) { - preg_match('/.$/u', $precedingText, $precedingChar); - $precedingChar = $precedingChar[0]; - } else { - $precedingChar = substr($precedingText, -1); - } - $isSeparator = '' !== $precedingChar && false !== strpos(static::SEPARATORS, $precedingChar); - - // A PCRE subpattern name must start with a non-digit. Also a PHP variable cannot start with a digit so the - // variable would not be usable as a Controller action argument. - if (preg_match('/^\d/', $varName)) { - throw new \DomainException(sprintf('Variable name "%s" cannot start with a digit in route pattern "%s". Please use a different name.', $varName, $pattern)); - } - if (in_array($varName, $variables)) { - throw new \LogicException(sprintf('Route pattern "%s" cannot reference variable name "%s" more than once.', $pattern, $varName)); - } - - if (strlen($varName) > self::VARIABLE_MAXIMUM_LENGTH) { - throw new \DomainException(sprintf('Variable name "%s" cannot be longer than %s characters in route pattern "%s". Please use a shorter name.', $varName, self::VARIABLE_MAXIMUM_LENGTH, $pattern)); - } - - if ($isSeparator && $precedingText !== $precedingChar) { - $tokens[] = array('text', substr($precedingText, 0, -strlen($precedingChar))); - } elseif (!$isSeparator && strlen($precedingText) > 0) { - $tokens[] = array('text', $precedingText); - } - - $regexp = $route->getRequirement($varName); - if (null === $regexp) { - $followingPattern = (string) substr($pattern, $pos); - // Find the next static character after the variable that functions as a separator. By default, this separator and '/' - // are disallowed for the variable. This default requirement makes sure that optional variables can be matched at all - // and that the generating-matching-combination of URLs unambiguous, i.e. the params used for generating the URL are - // the same that will be matched. Example: new Route('/{page}.{_format}', array('_format' => 'html')) - // If {page} would also match the separating dot, {_format} would never match as {page} will eagerly consume everything. - // Also even if {_format} was not optional the requirement prevents that {page} matches something that was originally - // part of {_format} when generating the URL, e.g. _format = 'mobile.html'. - $nextSeparator = self::findNextSeparator($followingPattern, $useUtf8); - $regexp = sprintf( - '[^%s%s]+', - preg_quote($defaultSeparator, self::REGEX_DELIMITER), - $defaultSeparator !== $nextSeparator && '' !== $nextSeparator ? preg_quote($nextSeparator, self::REGEX_DELIMITER) : '' - ); - if (('' !== $nextSeparator && !preg_match('#^\{\w+\}#', $followingPattern)) || '' === $followingPattern) { - // When we have a separator, which is disallowed for the variable, we can optimize the regex with a possessive - // quantifier. This prevents useless backtracking of PCRE and improves performance by 20% for matching those patterns. - // Given the above example, there is no point in backtracking into {page} (that forbids the dot) when a dot must follow - // after it. This optimization cannot be applied when the next char is no real separator or when the next variable is - // directly adjacent, e.g. '/{x}{y}'. - $regexp .= '+'; - } - } else { - if (!preg_match('//u', $regexp)) { - $useUtf8 = false; - } elseif (!$needsUtf8 && preg_match('/[\x80-\xFF]|(?<!\\\\)\\\\(?:\\\\\\\\)*+(?-i:X|[pP][\{CLMNPSZ]|x\{[A-Fa-f0-9]{3})/', $regexp)) { - $needsUtf8 = true; - @trigger_error(sprintf('Using UTF-8 route requirements without setting the "utf8" option is deprecated since Symfony 3.2 and will throw a LogicException in 4.0. Turn on the "utf8" route option for variable "%s" in pattern "%s".', $varName, $pattern), E_USER_DEPRECATED); - } - if (!$useUtf8 && $needsUtf8) { - throw new \LogicException(sprintf('Cannot mix UTF-8 requirement with non-UTF-8 charset for variable "%s" in pattern "%s".', $varName, $pattern)); - } - } - - $tokens[] = array('variable', $isSeparator ? $precedingChar : '', $regexp, $varName); - $variables[] = $varName; - } - - if ($pos < strlen($pattern)) { - $tokens[] = array('text', substr($pattern, $pos)); - } - - // find the first optional token - $firstOptional = PHP_INT_MAX; - if (!$isHost) { - for ($i = count($tokens) - 1; $i >= 0; --$i) { - $token = $tokens[$i]; - if ('variable' === $token[0] && $route->hasDefault($token[3])) { - $firstOptional = $i; - } else { - break; - } - } - } - - // compute the matching regexp - $regexp = ''; - for ($i = 0, $nbToken = count($tokens); $i < $nbToken; ++$i) { - $regexp .= self::computeRegexp($tokens, $i, $firstOptional); - } - $regexp = self::REGEX_DELIMITER.'^'.$regexp.'$'.self::REGEX_DELIMITER.'sD'.($isHost ? 'i' : ''); - - // enable Utf8 matching if really required - if ($needsUtf8) { - $regexp .= 'u'; - for ($i = 0, $nbToken = count($tokens); $i < $nbToken; ++$i) { - if ('variable' === $tokens[$i][0]) { - $tokens[$i][] = true; - } - } - } - - return array( - 'staticPrefix' => self::determineStaticPrefix($route, $tokens), - 'regex' => $regexp, - 'tokens' => array_reverse($tokens), - 'variables' => $variables, - ); - } - - /** - * Determines the longest static prefix possible for a route. - * - * @return string The leading static part of a route's path - */ - private static function determineStaticPrefix(Route $route, array $tokens) - { - if ('text' !== $tokens[0][0]) { - return ($route->hasDefault($tokens[0][3]) || '/' === $tokens[0][1]) ? '' : $tokens[0][1]; - } - - $prefix = $tokens[0][1]; - - if (isset($tokens[1][1]) && '/' !== $tokens[1][1] && false === $route->hasDefault($tokens[1][3])) { - $prefix .= $tokens[1][1]; - } - - return $prefix; - } - - /** - * Returns the next static character in the Route pattern that will serve as a separator. - * - * @param string $pattern The route pattern - * @param bool $useUtf8 Whether the character is encoded in UTF-8 or not - * - * @return string The next static character that functions as separator (or empty string when none available) - */ - private static function findNextSeparator($pattern, $useUtf8) - { - if ('' == $pattern) { - // return empty string if pattern is empty or false (false which can be returned by substr) - return ''; - } - // first remove all placeholders from the pattern so we can find the next real static character - if ('' === $pattern = preg_replace('#\{\w+\}#', '', $pattern)) { - return ''; - } - if ($useUtf8) { - preg_match('/^./u', $pattern, $pattern); - } - - return false !== strpos(static::SEPARATORS, $pattern[0]) ? $pattern[0] : ''; - } - - /** - * Computes the regexp used to match a specific token. It can be static text or a subpattern. - * - * @param array $tokens The route tokens - * @param int $index The index of the current token - * @param int $firstOptional The index of the first optional token - * - * @return string The regexp pattern for a single token - */ - private static function computeRegexp(array $tokens, $index, $firstOptional) - { - $token = $tokens[$index]; - if ('text' === $token[0]) { - // Text tokens - return preg_quote($token[1], self::REGEX_DELIMITER); - } else { - // Variable tokens - if (0 === $index && 0 === $firstOptional) { - // When the only token is an optional variable token, the separator is required - return sprintf('%s(?P<%s>%s)?', preg_quote($token[1], self::REGEX_DELIMITER), $token[3], $token[2]); - } else { - $regexp = sprintf('%s(?P<%s>%s)', preg_quote($token[1], self::REGEX_DELIMITER), $token[3], $token[2]); - if ($index >= $firstOptional) { - // Enclose each optional token in a subpattern to make it optional. - // "?:" means it is non-capturing, i.e. the portion of the subject string that - // matched the optional subpattern is not passed back. - $regexp = "(?:$regexp"; - $nbTokens = count($tokens); - if ($nbTokens - 1 == $index) { - // Close the optional subpatterns - $regexp .= str_repeat(')?', $nbTokens - $firstOptional - (0 === $firstOptional ? 1 : 0)); - } - } - - return $regexp; - } - } - } -} |