AlkantarClanX12
Current Path : /home/thanudqk/128shen.com/wp-content/plugins/w3-total-cache/lib/Aws/JmesPath/ |
Current File : /home/thanudqk/128shen.com/wp-content/plugins/w3-total-cache/lib/Aws/JmesPath/AstRuntime.php |
<?php namespace JmesPath; /** * Uses an external tree visitor to interpret an AST. */ class AstRuntime { private $parser; private $interpreter; private $cache = []; private $cachedCount = 0; public function __construct( Parser $parser = null, callable $fnDispatcher = null ) { $fnDispatcher = $fnDispatcher ?: FnDispatcher::getInstance(); $this->interpreter = new TreeInterpreter($fnDispatcher); $this->parser = $parser ?: new Parser(); } /** * Returns data from the provided input that matches a given JMESPath * expression. * * @param string $expression JMESPath expression to evaluate * @param mixed $data Data to search. This data should be data that * is similar to data returned from json_decode * using associative arrays rather than objects. * * @return mixed|null Returns the matching data or null */ public function __invoke($expression, $data) { if (!isset($this->cache[$expression])) { // Clear the AST cache when it hits 1024 entries if (++$this->cachedCount > 1024) { $this->cache = []; $this->cachedCount = 0; } $this->cache[$expression] = $this->parser->parse($expression); } return $this->interpreter->visit($this->cache[$expression], $data); } }