/**
* Get a trace reader for the specific file.
*
* If the file has not been preprocessed yet this will be done first.
*
* @param string File to read
* @param Cost format for the reader
* @return Webgrind_Reader Reader for $file
*/
public function getTraceReader($file, $costFormat)
{
$prepFile = Webgrind_Config::storageDir() . $file . Webgrind_Config::$preprocessedSuffix;
try {
$r = new Webgrind_Reader($prepFile, $costFormat);
} catch (Exception $e) {
// Preprocessed file does not exist or other error
Webgrind_Preprocessor::parse(Webgrind_Config::xdebugOutputDir() . $file, $prepFile);
$r = new Webgrind_Reader($prepFile, $costFormat);
}
return $r;
}
header("Content-Type: image/png");
$filename = Webgrind_Config::storageDir().$dataFile.'-'.$showFraction.Webgrind_Config::$preprocessedSuffix.'.png';
if (!file_exists($filename)) {
$imageData = shell_exec(Webgrind_Config::$pythonExecutable.' library/gprof2dot.py -n '.$showFraction.' -f callgrind '.Webgrind_Config::xdebugOutputDir().''.$dataFile.' | '.Webgrind_Config::$dotExecutable.' -Tpng');
file_put_contents($filename, $imageData);
}
readfile($filename);
break;
case 'version_info':
$response = @file_get_contents('http://jokke.dk/webgrindupdate.json?version='.Webgrind_Config::$webgrindVersion);
echo $response;
break;
default:
$welcome = '';
if (!file_exists(Webgrind_Config::storageDir()) || !is_writable(Webgrind_Config::storageDir())) {
$welcome .= 'Webgrind $storageDir does not exist or is not writeable: <code>'.Webgrind_Config::storageDir().'</code><br>';
}
if (!file_exists(Webgrind_Config::xdebugOutputDir()) || !is_readable(Webgrind_Config::xdebugOutputDir())) {
$welcome .= 'Webgrind $profilerDir does not exist or is not readable: <code>'.Webgrind_Config::xdebugOutputDir().'</code><br>';
}
if ($welcome == '') {
$welcome = 'Select a cachegrind file above<br>(looking in <code>'.Webgrind_Config::xdebugOutputDir().'</code> for files matching <code>'.Webgrind_Config::xdebugOutputFormat().'</code>)';
}
require 'templates/index.phtml';
}
} catch (Exception $e) {
echo json_encode(array('error' => $e->getMessage().'<br>'.$e->getFile().', line '.$e->getLine()));
return;
}
