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07c3cdd | 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 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 | <?php
/**
* @package pake
* @author Fabien Potencier <fabien.potencier@symfony-project.com> php port
* @author Richard Clamp <richardc@unixbeard.net> perl version
* @copyright 2004-2005 Fabien Potencier <fabien.potencier@symfony-project.com>
* @copyright 2002 Richard Clamp <richardc@unixbeard.net>
* @license see the LICENSE file included in the distribution
* @version SVN: $Id: pakeGlobToRegex.class.php 1791 2006-08-23 21:17:06Z fabien $
*/
if (class_exists('pakeGlobToRegex'))
{
return;
}
/**
*
* Match globbing patterns against text.
*
* if match_glob("foo.*", "foo.bar") echo "matched\n";
*
* // prints foo.bar and foo.baz
* $regex = glob_to_regex("foo.*");
* for (array('foo.bar', 'foo.baz', 'foo', 'bar') as $t)
* {
* if (/$regex/) echo "matched: $car\n";
* }
*
* pakeGlobToRegex implements glob(3) style matching that can be used to match
* against text, rather than fetching names from a filesystem.
*
* based on perl Text::Glob module.
*
* @package pake
* @author Fabien Potencier <fabien.potencier@symfony-project.com> php port
* @author Richard Clamp <richardc@unixbeard.net> perl version
* @copyright 2004-2005 Fabien Potencier <fabien.potencier@symfony-project.com>
* @copyright 2002 Richard Clamp <richardc@unixbeard.net>
* @license see the LICENSE file included in the distribution
* @version SVN: $Id: pakeGlobToRegex.class.php 1791 2006-08-23 21:17:06Z fabien $
*/
class pakeGlobToRegex
{
private static $strict_leading_dot = true;
private static $strict_wildcard_slash = true;
public static function setStrictLeadingDot($boolean)
{
self::$strict_leading_dot = $boolean;
}
public static function setStrictWildcardSlash($boolean)
{
self::$strict_wildcard_slash = $boolean;
}
/**
* Returns a compiled regex which is the equiavlent of the globbing pattern.
*
* @param string glob pattern
* @return string regex
*/
public static function glob_to_regex($glob)
{
$first_byte = true;
$escaping = false;
$in_curlies = 0;
$regex = '';
for ($i = 0; $i < strlen($glob); $i++)
{
$car = $glob[$i];
if ($first_byte)
{
if (self::$strict_leading_dot && $car != '.')
{
$regex .= '(?=[^\.])';
}
$first_byte = false;
}
if ($car == '/')
{
$first_byte = true;
}
if ($car == '.' || $car == '(' || $car == ')' || $car == '|' || $car == '+' || $car == '^' || $car == '$')
{
$regex .= "\\$car";
}
else if ($car == '*')
{
$regex .= ($escaping ? "\\*" : (self::$strict_wildcard_slash ? "[^/]*" : ".*"));
}
else if ($car == '?')
{
$regex .= ($escaping ? "\\?" : (self::$strict_wildcard_slash ? "[^/]" : "."));
}
else if ($car == '{')
{
$regex .= ($escaping ? "\\{" : "(");
if (!$escaping) ++$in_curlies;
}
else if ($car == '}' && $in_curlies)
{
$regex .= ($escaping ? "}" : ")");
if (!$escaping) --$in_curlies;
}
else if ($car == ',' && $in_curlies)
{
$regex .= ($escaping ? "," : "|");
}
else if ($car == "\\")
{
if ($escaping)
{
$regex .= "\\\\";
$escaping = false;
}
else
{
$escaping = true;
}
continue;
}
else
{
$regex .= $car;
$escaping = false;
}
$escaping = false;
}
return "#^$regex$#";
}
}
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