diff options
Diffstat (limited to 'plugins/af_readability/vendor/league/uri/src/UriTemplate/Expression.php')
-rw-r--r-- | plugins/af_readability/vendor/league/uri/src/UriTemplate/Expression.php | 329 |
1 files changed, 0 insertions, 329 deletions
diff --git a/plugins/af_readability/vendor/league/uri/src/UriTemplate/Expression.php b/plugins/af_readability/vendor/league/uri/src/UriTemplate/Expression.php deleted file mode 100644 index 99ecac98b..000000000 --- a/plugins/af_readability/vendor/league/uri/src/UriTemplate/Expression.php +++ /dev/null @@ -1,329 +0,0 @@ -<?php - -/** - * League.Uri (https://uri.thephpleague.com) - * - * (c) Ignace Nyamagana Butera <[email protected]> - * - * For the full copyright and license information, please view the LICENSE - * file that was distributed with this source code. - */ - -declare(strict_types=1); - -namespace League\Uri\UriTemplate; - -use League\Uri\Exceptions\SyntaxError; -use League\Uri\Exceptions\TemplateCanNotBeExpanded; -use function array_filter; -use function array_keys; -use function array_map; -use function array_unique; -use function explode; -use function implode; -use function preg_match; -use function rawurlencode; -use function str_replace; -use function strpos; -use function substr; - -final class Expression -{ - /** - * Expression regular expression pattern. - * - * @link https://tools.ietf.org/html/rfc6570#section-2.2 - */ - private const REGEXP_EXPRESSION = '/^\{ - (?: - (?<operator>[\.\/;\?&\=,\!@\|\+#])? - (?<variables>[^\}]*) - ) - \}$/x'; - - /** - * Reserved Operator characters. - * - * @link https://tools.ietf.org/html/rfc6570#section-2.2 - */ - private const RESERVED_OPERATOR = '=,!@|'; - - /** - * Processing behavior according to the expression type operator. - * - * @link https://tools.ietf.org/html/rfc6570#appendix-A - */ - private const OPERATOR_HASH_LOOKUP = [ - '' => ['prefix' => '', 'joiner' => ',', 'query' => false], - '+' => ['prefix' => '', 'joiner' => ',', 'query' => false], - '#' => ['prefix' => '#', 'joiner' => ',', 'query' => false], - '.' => ['prefix' => '.', 'joiner' => '.', 'query' => false], - '/' => ['prefix' => '/', 'joiner' => '/', 'query' => false], - ';' => ['prefix' => ';', 'joiner' => ';', 'query' => true], - '?' => ['prefix' => '?', 'joiner' => '&', 'query' => true], - '&' => ['prefix' => '&', 'joiner' => '&', 'query' => true], - ]; - - private string $operator; - /** @var array<VarSpecifier> */ - private array $varSpecifiers; - private string $joiner; - /** @var array<string> */ - private array $variableNames; - private string $expressionString; - - private function __construct(string $operator, VarSpecifier ...$varSpecifiers) - { - $this->operator = $operator; - $this->varSpecifiers = $varSpecifiers; - $this->joiner = self::OPERATOR_HASH_LOOKUP[$operator]['joiner']; - $this->variableNames = $this->setVariableNames(); - $this->expressionString = $this->setExpressionString(); - } - - /** - * @return array<string> - */ - private function setVariableNames(): array - { - return array_unique(array_map( - static fn (VarSpecifier $varSpecifier): string => $varSpecifier->name(), - $this->varSpecifiers - )); - } - - private function setExpressionString(): string - { - $varSpecifierString = implode(',', array_map( - static fn (VarSpecifier $variable): string => $variable->toString(), - $this->varSpecifiers - )); - - return '{'.$this->operator.$varSpecifierString.'}'; - } - - /** - * {@inheritDoc} - */ - public static function __set_state(array $properties): self - { - return new self($properties['operator'], ...$properties['varSpecifiers']); - } - - /** - * @throws SyntaxError if the expression is invalid - * @throws SyntaxError if the operator used in the expression is invalid - * @throws SyntaxError if the variable specifiers is invalid - */ - public static function createFromString(string $expression): self - { - if (1 !== preg_match(self::REGEXP_EXPRESSION, $expression, $parts)) { - throw new SyntaxError('The expression "'.$expression.'" is invalid.'); - } - - /** @var array{operator:string, variables:string} $parts */ - $parts = $parts + ['operator' => '']; - if ('' !== $parts['operator'] && false !== strpos(self::RESERVED_OPERATOR, $parts['operator'])) { - throw new SyntaxError('The operator used in the expression "'.$expression.'" is reserved.'); - } - - return new Expression($parts['operator'], ...array_map( - static fn (string $varSpec): VarSpecifier => VarSpecifier::createFromString($varSpec), - explode(',', $parts['variables']) - )); - } - - /** - * Returns the expression string representation. - * - */ - public function toString(): string - { - return $this->expressionString; - } - - /** - * @return array<string> - */ - public function variableNames(): array - { - return $this->variableNames; - } - - public function expand(VariableBag $variables): string - { - $parts = []; - foreach ($this->varSpecifiers as $varSpecifier) { - $parts[] = $this->replace($varSpecifier, $variables); - } - - $expanded = implode($this->joiner, array_filter($parts, static fn ($value): bool => '' !== $value)); - if ('' === $expanded) { - return $expanded; - } - - $prefix = self::OPERATOR_HASH_LOOKUP[$this->operator]['prefix']; - if ('' === $prefix) { - return $expanded; - } - - return $prefix.$expanded; - } - - /** - * Replaces an expression with the given variables. - * - * @throws TemplateCanNotBeExpanded if the variables is an array and a ":" modifier needs to be applied - * @throws TemplateCanNotBeExpanded if the variables contains nested array values - */ - private function replace(VarSpecifier $varSpec, VariableBag $variables): string - { - $value = $variables->fetch($varSpec->name()); - if (null === $value) { - return ''; - } - - $useQuery = self::OPERATOR_HASH_LOOKUP[$this->operator]['query']; - [$expanded, $actualQuery] = $this->inject($value, $varSpec, $useQuery); - if (!$actualQuery) { - return $expanded; - } - - if ('&' !== $this->joiner && '' === $expanded) { - return $varSpec->name(); - } - - return $varSpec->name().'='.$expanded; - } - - /** - * @param string|array<string> $value - * - * @return array{0:string, 1:bool} - */ - private function inject($value, VarSpecifier $varSpec, bool $useQuery): array - { - if (is_string($value)) { - return $this->replaceString($value, $varSpec, $useQuery); - } - - return $this->replaceList($value, $varSpec, $useQuery); - } - - /** - * Expands an expression using a string value. - * - * @return array{0:string, 1:bool} - */ - private function replaceString(string $value, VarSpecifier $varSpec, bool $useQuery): array - { - if (':' === $varSpec->modifier()) { - $value = substr($value, 0, $varSpec->position()); - } - - $expanded = rawurlencode($value); - if ('+' === $this->operator || '#' === $this->operator) { - return [$this->decodeReserved($expanded), $useQuery]; - } - - return [$expanded, $useQuery]; - } - - /** - * Expands an expression using a list of values. - * - * @param array<string> $value - * - * @throws TemplateCanNotBeExpanded if the variables is an array and a ":" modifier needs to be applied - * - * @return array{0:string, 1:bool} - */ - private function replaceList(array $value, VarSpecifier $varSpec, bool $useQuery): array - { - if ([] === $value) { - return ['', false]; - } - - if (':' === $varSpec->modifier()) { - throw TemplateCanNotBeExpanded::dueToUnableToProcessValueListWithPrefix($varSpec->name()); - } - - $pairs = []; - $isAssoc = $this->isAssoc($value); - foreach ($value as $key => $var) { - if ($isAssoc) { - $key = rawurlencode((string) $key); - } - - $var = rawurlencode($var); - if ('+' === $this->operator || '#' === $this->operator) { - $var = $this->decodeReserved($var); - } - - if ('*' === $varSpec->modifier()) { - if ($isAssoc) { - $var = $key.'='.$var; - } elseif ($key > 0 && $useQuery) { - $var = $varSpec->name().'='.$var; - } - } - - $pairs[$key] = $var; - } - - if ('*' === $varSpec->modifier()) { - if ($isAssoc) { - // Don't prepend the value name when using the explode - // modifier with an associative array. - $useQuery = false; - } - - return [implode($this->joiner, $pairs), $useQuery]; - } - - if ($isAssoc) { - // When an associative array is encountered and the - // explode modifier is not set, then the result must be - // a comma separated list of keys followed by their - // respective values. - foreach ($pairs as $offset => &$data) { - $data = $offset.','.$data; - } - - unset($data); - } - - return [implode(',', $pairs), $useQuery]; - } - - /** - * Determines if an array is associative. - * - * This makes the assumption that input arrays are sequences or hashes. - * This assumption is a trade-off for accuracy in favor of speed, but it - * should work in almost every case where input is supplied for a URI - * template. - */ - private function isAssoc(array $array): bool - { - return [] !== $array && 0 !== array_keys($array)[0]; - } - - /** - * Removes percent encoding on reserved characters (used with + and # modifiers). - */ - private function decodeReserved(string $str): string - { - static $delimiters = [ - ':', '/', '?', '#', '[', ']', '@', '!', '$', - '&', '\'', '(', ')', '*', '+', ',', ';', '=', - ]; - - static $delimitersEncoded = [ - '%3A', '%2F', '%3F', '%23', '%5B', '%5D', '%40', '%21', '%24', - '%26', '%27', '%28', '%29', '%2A', '%2B', '%2C', '%3B', '%3D', - ]; - - return str_replace($delimitersEncoded, $delimiters, $str); - } -} |