1: <?php
 2: 
 3: /**
 4:  * This file is part of the Nette Framework (https://nette.org)
 5:  * Copyright (c) 2004 David Grudl (https://davidgrudl.com)
 6:  */
 7: 
 8: namespace Nette\Diagnostics;
 9: 
10: use Nette;
11: 
12: 
13: /**
14:  * @author     David Grudl
15:  */
16: class OutputDebugger extends Nette\Object
17: {
18:     const BOM = "\xEF\xBB\xBF";
19: 
20:     /** @var array of [file, line, output] */
21:     private $list = array();
22: 
23:     /** @var string */
24:     private $lastFile;
25: 
26: 
27:     public static function enable()
28:     {
29:         $me = new static;
30:         $me->start();
31:     }
32: 
33: 
34:     public function start()
35:     {
36:         foreach (get_included_files() as $file) {
37:             if (fread(fopen($file, 'r'), 3) === self::BOM) {
38:                 $this->list[] = array($file, 1, self::BOM);
39:             }
40:         }
41:         ob_start(array($this, 'handler'), PHP_VERSION_ID >= 50400 ? 1 : 2);
42:     }
43: 
44: 
45:     public function handler($s, $phase)
46:     {
47:         $trace = debug_backtrace(FALSE);
48:         if (isset($trace[0]['file'], $trace[0]['line'])) {
49:             if ($this->lastFile === $trace[0]['file']) {
50:                 $this->list[count($this->list) - 1][2] .= $s;
51:             } else {
52:                 $this->list[] = array($this->lastFile = $trace[0]['file'], $trace[0]['line'], $s);
53:             }
54:         }
55:         if ($phase === PHP_OUTPUT_HANDLER_FINAL) {
56:             return $this->renderHtml();
57:         }
58:     }
59: 
60: 
61:     private function renderHtml()
62:     {
63:         $res = '<style>code, pre {white-space:nowrap} a {text-decoration:none} pre {color:gray;display:inline} big {color:red}</style><code>';
64:         foreach ($this->list as $item) {
65:             $res .= Helpers::editorLink($item[0], $item[1]) . ' '
66:                 . str_replace(self::BOM, '<big>BOM</big>', Dumper::toHtml($item[2])) . "<br>\n";
67:         }
68:         return $res . '</code>';
69:     }
70: 
71: }
72: