1 files changed, 89 insertions, 0 deletions
diff --git a/lib/Webgrind/FileHandler.php b/lib/Webgrind/FileHandler.php
new file mode 100644
index 0000000..790ac6a
--- /dev/null
+++ b/lib/Webgrind/FileHandler.php
@@ -0,0 +1,89 @@
+<?php
+require 'Reader.php';
+require 'Preprocessor.php';
+
+class Webgrind_FileHandler{
+	private static $singleton = null;
+	
+	public static function getInstance(){
+		if(self::$singleton==null)
+			self::$singleton = new self();
+		return self::$singleton;
+	}
+		
+	private function __construct(){
+		
+		$files = $this->getFiles(Config::$xdebugOutputFormat, Config::$xdebugOutputDir);
+		
+		$prepFiles = $this->getFiles('/\\'.Config::$preprocessedSuffix.'$/', Config::$storageDir);
+		foreach($prepFiles as $fileName=>$prepFile){
+			$fileName = str_replace(Config::$preprocessedSuffix,'',$fileName);
+			
+			if(!isset($files[$fileName]) || $files[$fileName]['mtime']>$prepFile['mtime'] )
+				unlink($prepFile['absoluteFilename']);
+			else
+				$files[$fileName]['preprocessed'] = true;
+		}
+		uasort($files,array($this,'mtimeCmp'));
+		$this->files = $files;
+	}
+	
+	
+	public function getInvokeUrl($file){
+		# Grab name of invoked file
+	    $fp = fopen($file, 'r');
+	    fgets($fp);
+	    $invokeUrl = trim(substr(fgets($fp), 5));
+	    fclose($fp);
+		return $invokeUrl;
+	}
+	
+	
+	private function getFiles($format, $dir){
+		$list = preg_grep($format,scandir($dir));
+		$files = array();
+		
+		$scriptFilename = $_SERVER['SCRIPT_FILENAME'];
+		
+		foreach($list as $file){
+			$absoluteFilename = $dir.$file;
+			$invokeUrl = $this->getInvokeUrl($absoluteFilename);
+
+			$files[$file] = array('absoluteFilename'=>$absoluteFilename, 'mtime'=>filemtime($absoluteFilename), 'preprocessed'=>false, 'invokeUrl'=>$invokeUrl, 'selftrace'=>false);
+			if($invokeUrl == $scriptFilename)
+				$files[$file]['selftrace'] = true;
+			
+		}		
+		return $files;
+	}
+	
+	public function getTraceList($selftraces=false){
+		$result = array();
+		foreach($this->files as $fileName=>$file){
+			if(!$file['selftrace'] || $selftraces)
+				$result[] = array('filename' => $fileName, 'invokeUrl' => str_replace($_SERVER['DOCUMENT_ROOT'].'/', '', $file['invokeUrl']));
+		}
+		return $result;
+	}
+	
+	public function getTraceReader($file){
+		$prepFile = Config::$storageDir.$file.Config::$preprocessedSuffix;
+		try{
+			$r = new Webgrind_Reader($prepFile);
+		} catch (Exception $e){
+			// Preprocessed file does not exist or other error
+			$cg = new Webgrind_Preprocessor(Config::$xdebugOutputDir.$file, $prepFile);
+			$cg->parse();
+			$r = new Webgrind_Reader($prepFile);
+		}
+		return $r;
+	}
+	
+	private function mtimeCmp($a, $b){
+		if ($a['mtime'] == $b['mtime'])
+		    return 0;
+
+		return ($a['mtime'] > $b['mtime']) ? -1 : 1;
+	}
+	
+}
+\ No newline at end of file