From ec15b7cb743482fb04de8c5b07c8dada7661a501 Mon Sep 17 00:00:00 2001
From: Michal Paulovic <bbaron@ha-development.sk>
Date: Mon, 27 Oct 2014 10:19:43 +0100
Subject: [PATCH] Cache pre parsovanie HTML

---
 src/Csfd/Parsers/Parser.php | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/src/Csfd/Parsers/Parser.php b/src/Csfd/Parsers/Parser.php
index db1c5e8..3b42377 100644
--- a/src/Csfd/Parsers/Parser.php
+++ b/src/Csfd/Parsers/Parser.php
@@ -10,6 +10,8 @@
 abstract class Parser
 {
 
+	static protected $_crawlers = [];
+
 	protected function match($subject, $pattern)
 	{
 		$matches = [];
@@ -39,7 +41,14 @@ protected function splitByBr($text)
 
 	protected function getNode($html, $xpath)
 	{
-		$nodes = new Crawler($html);
+		$hash = md5($html);
+		if (!isset(static::$_crawlers[$hash]))
+		{
+			$nodes = new Crawler($html);
+		} else {
+			$nodes = static::$_crawlers[$hash];
+		}
+
 		$filtered = $nodes->filterXPath($xpath);
 		if ($filtered->count() === 0)
 		{