update Piwik to version 2.16 (fixes #91)

www/analytics/vendor/piwik/device-detector/Parser/Bot.php

@@ -0,0 +1,72 @@
+<?php
+/**
+ * Device Detector - The Universal Device Detection library for parsing User Agents
+ *
+ * @link http://piwik.org
+ * @license http://www.gnu.org/licenses/lgpl.html LGPL v3 or later
+ */
+namespace DeviceDetector\Parser;
+
+/**
+ * Class Bot
+ *
+ * Parses a user agent for bot information
+ *
+ * Detected bots are defined in regexes/bots.yml
+ *
+ * @package DeviceDetector\Parser
+ */
+class Bot extends ParserAbstract
+{
+    protected $fixtureFile = 'regexes/bots.yml';
+    protected $parserName = 'bot';
+    protected $discardDetails = false;
+
+    /**
+     * Enables information discarding
+     */
+    public function discardDetails()
+    {
+        $this->discardDetails = true;
+    }
+
+    /**
+     * Parses the current UA and checks whether it contains bot information
+     *
+     * @see bots.yml for list of detected bots
+     *
+     * Step 1: Build a big regex containing all regexes and match UA against it
+     * -> If no matches found: return
+     * -> Otherwise:
+     * Step 2: Walk through the list of regexes in bots.yml and try to match every one
+     * -> Return the matched data
+     *
+     * If $discardDetails is set to TRUE, the Step 2 will be skipped
+     * $bot will be set to TRUE instead
+     *
+     * NOTE: Doing the big match before matching every single regex speeds up the detection
+     */
+    public function parse()
+    {
+        $result = null;
+
+        if ($this->preMatchOverall()) {
+            foreach ($this->getRegexes() as $regex) {
+                $matches = $this->matchUserAgent($regex['regex']);
+
+                if ($matches) {
+                    if ($this->discardDetails) {
+                        $result = true;
+                        break;
+                    }
+
+                    unset($regex['regex']);
+                    $result = $regex;
+                    break;
+                }
+            }
+        }
+
+        return $result;
+    }
+}