1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
|
<?php
namespace Gettext\Extractors;
use Exception;
use InvalidArgumentException;
use Gettext\Translations;
abstract class Extractor implements ExtractorInterface
{
/**
* {@inheritdoc}
*/
public static function fromFile($file, Translations $translations, array $options = [])
{
foreach (self::getFiles($file) as $file) {
$options['file'] = $file;
static::fromString(self::readFile($file), $translations, $options);
}
}
/**
* Checks and returns all files.
*
* @param string|array $file The file/s
*
* @return array The file paths
*/
protected static function getFiles($file)
{
if (empty($file)) {
throw new InvalidArgumentException('There is not any file defined');
}
if (is_string($file)) {
if (!is_file($file)) {
throw new InvalidArgumentException("'$file' is not a valid file");
}
if (!is_readable($file)) {
throw new InvalidArgumentException("'$file' is not a readable file");
}
return [$file];
}
if (is_array($file)) {
$files = [];
foreach ($file as $f) {
$files = array_merge($files, self::getFiles($f));
}
return $files;
}
throw new InvalidArgumentException('The first argument must be string or array');
}
/**
* Reads and returns the content of a file.
*
* @param string $file
*
* @return string
*/
protected static function readFile($file)
{
$length = filesize($file);
if (!($fd = fopen($file, 'rb'))) {
throw new Exception("Cannot read the file '$file', probably permissions");
}
$content = $length ? fread($fd, $length) : '';
fclose($fd);
return $content;
}
}
|