Add XhguiProfilerPlugin for zend framework v1

Author: glensc

contrib/zf1/XhguiProfilerPlugin.php

@@ -0,0 +1,59 @@
+<?php
+
+use Xhgui\Profiler\Exception\ProfilerException;
+use Xhgui\Profiler\Profiler;
+
+/**
+ * Plugin to capture profiling data using for XHGui.
+ *
+ * @author Elan Ruusamäe <glen@delfi.ee>
+ *
+ * Example:
+ * $config = new Zend_Config(array(
+ *    // ...
+ * ));
+ * $controller->registerPlugin(new XhguiProfilerPlugin($config), 150);
+ */
+class XhguiProfilerPlugin extends Zend_Controller_Plugin_Abstract
+{
+    /** @var Zend_Config */
+    private $config;
+
+    /** @var Profiler */
+    private $profiler;
+
+    public function __construct($config)
+    {
+        $this->config = $config;
+    }
+
+    public function preDispatch(Zend_Controller_Request_Abstract $request)
+    {
+        $this->startProfiler();
+    }
+
+    public function postDispatch(Zend_Controller_Request_Abstract $request)
+    {
+    }
+
+    private function startProfiler()
+    {
+        try {
+            $this->getProfiler()->start();
+        } catch (ProfilerException $e) {
+            error_log('Profiler error: ' . $e->getMessage());
+        }
+    }
+
+    /**
+     * @return Profiler
+     */
+    private function getProfiler()
+    {
+        if ($this->profiler !== null) {
+            return $this->profiler;
+        }
+
+        return $this->profiler = new Profiler($this->config->toArray());
+    }
+}