installed plugin Infinite Uploads
version 2.0.8
This commit is contained in:
182
wp-content/plugins/infinite-uploads/vendor/Aws3/JmesPath/TreeInterpreter.php
vendored
Normal file
182
wp-content/plugins/infinite-uploads/vendor/Aws3/JmesPath/TreeInterpreter.php
vendored
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<?php
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namespace UglyRobot\Infinite_Uploads\JmesPath;
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/**
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* Tree visitor used to evaluates JMESPath AST expressions.
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*/
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class TreeInterpreter
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{
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/** @var callable */
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private $fnDispatcher;
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/**
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* @param callable|null $fnDispatcher Function dispatching function that accepts
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* a function name argument and an array of
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* function arguments and returns the result.
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*/
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public function __construct(callable $fnDispatcher = null)
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{
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$this->fnDispatcher = $fnDispatcher ?: \UglyRobot\Infinite_Uploads\JmesPath\FnDispatcher::getInstance();
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}
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/**
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* Visits each node in a JMESPath AST and returns the evaluated result.
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*
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* @param array $node JMESPath AST node
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* @param mixed $data Data to evaluate
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*
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* @return mixed
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*/
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public function visit(array $node, $data)
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{
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return $this->dispatch($node, $data);
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}
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/**
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* Recursively traverses an AST using depth-first, pre-order traversal.
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* The evaluation logic for each node type is embedded into a large switch
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* statement to avoid the cost of "double dispatch".
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* @return mixed
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*/
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private function dispatch(array $node, $value)
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{
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$dispatcher = $this->fnDispatcher;
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switch ($node['type']) {
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case 'field':
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if (is_array($value) || $value instanceof \ArrayAccess) {
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return isset($value[$node['value']]) ? $value[$node['value']] : null;
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} elseif ($value instanceof \stdClass) {
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return isset($value->{$node['value']}) ? $value->{$node['value']} : null;
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}
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return null;
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case 'subexpression':
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return $this->dispatch($node['children'][1], $this->dispatch($node['children'][0], $value));
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case 'index':
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if (!\UglyRobot\Infinite_Uploads\JmesPath\Utils::isArray($value)) {
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return null;
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}
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$idx = $node['value'] >= 0 ? $node['value'] : $node['value'] + count($value);
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return isset($value[$idx]) ? $value[$idx] : null;
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case 'projection':
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$left = $this->dispatch($node['children'][0], $value);
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switch ($node['from']) {
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case 'object':
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if (!\UglyRobot\Infinite_Uploads\JmesPath\Utils::isObject($left)) {
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return null;
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}
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break;
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case 'array':
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if (!\UglyRobot\Infinite_Uploads\JmesPath\Utils::isArray($left)) {
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return null;
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}
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break;
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default:
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if (!is_array($left) || !$left instanceof \stdClass) {
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return null;
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}
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}
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$collected = [];
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foreach ((array) $left as $val) {
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$result = $this->dispatch($node['children'][1], $val);
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if ($result !== null) {
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$collected[] = $result;
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}
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}
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return $collected;
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case 'flatten':
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static $skipElement = [];
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$value = $this->dispatch($node['children'][0], $value);
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if (!\UglyRobot\Infinite_Uploads\JmesPath\Utils::isArray($value)) {
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return null;
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}
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$merged = [];
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foreach ($value as $values) {
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// Only merge up arrays lists and not hashes
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if (is_array($values) && isset($values[0])) {
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$merged = array_merge($merged, $values);
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} elseif ($values !== $skipElement) {
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$merged[] = $values;
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}
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}
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return $merged;
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case 'literal':
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return $node['value'];
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case 'current':
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return $value;
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case 'or':
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$result = $this->dispatch($node['children'][0], $value);
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return \UglyRobot\Infinite_Uploads\JmesPath\Utils::isTruthy($result) ? $result : $this->dispatch($node['children'][1], $value);
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case 'and':
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$result = $this->dispatch($node['children'][0], $value);
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return \UglyRobot\Infinite_Uploads\JmesPath\Utils::isTruthy($result) ? $this->dispatch($node['children'][1], $value) : $result;
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case 'not':
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return !\UglyRobot\Infinite_Uploads\JmesPath\Utils::isTruthy($this->dispatch($node['children'][0], $value));
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case 'pipe':
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return $this->dispatch($node['children'][1], $this->dispatch($node['children'][0], $value));
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case 'multi_select_list':
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if ($value === null) {
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return null;
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}
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$collected = [];
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foreach ($node['children'] as $node) {
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$collected[] = $this->dispatch($node, $value);
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}
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return $collected;
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case 'multi_select_hash':
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if ($value === null) {
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return null;
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}
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$collected = [];
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foreach ($node['children'] as $node) {
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$collected[$node['value']] = $this->dispatch($node['children'][0], $value);
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}
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return $collected;
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case 'comparator':
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$left = $this->dispatch($node['children'][0], $value);
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$right = $this->dispatch($node['children'][1], $value);
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if ($node['value'] == '==') {
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return \UglyRobot\Infinite_Uploads\JmesPath\Utils::isEqual($left, $right);
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} elseif ($node['value'] == '!=') {
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return !\UglyRobot\Infinite_Uploads\JmesPath\Utils::isEqual($left, $right);
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} else {
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return self::relativeCmp($left, $right, $node['value']);
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}
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case 'condition':
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return \UglyRobot\Infinite_Uploads\JmesPath\Utils::isTruthy($this->dispatch($node['children'][0], $value)) ? $this->dispatch($node['children'][1], $value) : null;
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case 'function':
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$args = [];
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foreach ($node['children'] as $arg) {
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$args[] = $this->dispatch($arg, $value);
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}
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return $dispatcher($node['value'], $args);
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case 'slice':
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return is_string($value) || \UglyRobot\Infinite_Uploads\JmesPath\Utils::isArray($value) ? \UglyRobot\Infinite_Uploads\JmesPath\Utils::slice($value, $node['value'][0], $node['value'][1], $node['value'][2]) : null;
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case 'expref':
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$apply = $node['children'][0];
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return function ($value) use($apply) {
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return $this->visit($apply, $value);
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};
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default:
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throw new \RuntimeException("Unknown node type: {$node['type']}");
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}
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}
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/**
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* @return bool
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*/
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private static function relativeCmp($left, $right, $cmp)
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{
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if (!(is_int($left) || is_float($left)) || !(is_int($right) || is_float($right))) {
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return false;
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}
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switch ($cmp) {
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case '>':
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return $left > $right;
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case '>=':
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return $left >= $right;
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case '<':
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return $left < $right;
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case '<=':
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return $left <= $right;
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default:
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throw new \RuntimeException("Invalid comparison: {$cmp}");
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}
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}
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}
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