1: | <?php |
2: | |
3: | /* |
4: | * The MIT License (MIT) |
5: | * |
6: | * Copyright (c) 2013 Jonathan Vollebregt (jnvsor@gmail.com), Rokas Šleinius (raveren@gmail.com) |
7: | * |
8: | * Permission is hereby granted, free of charge, to any person obtaining a copy of |
9: | * this software and associated documentation files (the "Software"), to deal in |
10: | * the Software without restriction, including without limitation the rights to |
11: | * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of |
12: | * the Software, and to permit persons to whom the Software is furnished to do so, |
13: | * subject to the following conditions: |
14: | * |
15: | * The above copyright notice and this permission notice shall be included in all |
16: | * copies or substantial portions of the Software. |
17: | * |
18: | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
19: | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS |
20: | * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR |
21: | * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER |
22: | * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
23: | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
24: | */ |
25: | |
26: | namespace Kint\Object\Representation; |
27: | |
28: | class SourceRepresentation extends Representation |
29: | { |
30: | public $hints = array('source'); |
31: | public $source = array(); |
32: | public $filename; |
33: | public $line = 0; |
34: | public $showfilename = false; |
35: | |
36: | public function __construct($filename, $line, $padding = 7) |
37: | { |
38: | parent::__construct('Source'); |
39: | |
40: | $this->filename = $filename; |
41: | $this->line = $line; |
42: | |
43: | $start_line = \max($line - $padding, 1); |
44: | $length = $line + $padding + 1 - $start_line; |
45: | $this->source = self::getSource($filename, $start_line, $length); |
46: | if (null !== $this->source) { |
47: | $this->contents = \implode("\n", $this->source); |
48: | } |
49: | } |
50: | |
51: | /** |
52: | * Gets section of source code. |
53: | * |
54: | * @param string $filename Full path to file |
55: | * @param int $start_line The first line to display (1 based) |
56: | * @param null|int $length Amount of lines to show |
57: | * |
58: | * @return null|array |
59: | */ |
60: | public static function getSource($filename, $start_line = 1, $length = null) |
61: | { |
62: | if (!$filename || !\file_exists($filename) || !\is_readable($filename)) { |
63: | return null; |
64: | } |
65: | |
66: | $source = \preg_split("/\r\n|\n|\r/", \file_get_contents($filename)); |
67: | $source = \array_combine(\range(1, \count($source)), $source); |
68: | $source = \array_slice($source, $start_line - 1, $length, true); |
69: | |
70: | return $source; |
71: | } |
72: | } |
73: |