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[Form] moved data trimming logic of TrimListener into StringUtil
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,72 @@ | ||
<?php | ||
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namespace Symfony\Component\Form\Tests\Util; | ||
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use Symfony\Component\Form\Util\StringUtil; | ||
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class StringUtilTest extends \PHPUnit_Framework_TestCase | ||
{ | ||
public function testTrim() | ||
{ | ||
$data = ' Foo! '; | ||
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$this->assertEquals('Foo!', StringUtil::trim($data)); | ||
} | ||
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/** | ||
* @dataProvider spaceProvider | ||
*/ | ||
public function testTrimUtf8Separators($hex) | ||
{ | ||
if (!function_exists('mb_convert_encoding')) { | ||
$this->markTestSkipped('The "mb_convert_encoding" function is not available'); | ||
} | ||
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// Convert hexadecimal representation into binary | ||
// H: hex string, high nibble first (UCS-2BE) | ||
// *: repeat until end of string | ||
$binary = pack('H*', $hex); | ||
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// Convert UCS-2BE to UTF-8 | ||
$symbol = mb_convert_encoding($binary, 'UTF-8', 'UCS-2BE'); | ||
$symbol = $symbol."ab\ncd".$symbol; | ||
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$this->assertSame("ab\ncd", StringUtil::trim($symbol)); | ||
} | ||
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public function spaceProvider() | ||
{ | ||
return array( | ||
// separators | ||
array('0020'), | ||
array('00A0'), | ||
array('1680'), | ||
// array('180E'), | ||
array('2000'), | ||
array('2001'), | ||
array('2002'), | ||
array('2003'), | ||
array('2004'), | ||
array('2005'), | ||
array('2006'), | ||
array('2007'), | ||
array('2008'), | ||
array('2009'), | ||
array('200A'), | ||
array('2028'), | ||
array('2029'), | ||
array('202F'), | ||
array('205F'), | ||
array('3000'), | ||
// controls | ||
array('0009'), | ||
array('000A'), | ||
array('000B'), | ||
array('000C'), | ||
array('000D'), | ||
array('0085'), | ||
// zero width space | ||
// array('200B'), | ||
); | ||
} | ||
} |
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<?php | ||
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/* | ||
* This file is part of the Symfony package. | ||
* | ||
* (c) Fabien Potencier <fabien@symfony.com> | ||
* | ||
* For the full copyright and license information, please view the LICENSE | ||
* file that was distributed with this source code. | ||
*/ | ||
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namespace Symfony\Component\Form\Util; | ||
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/** | ||
* @author Issei Murasawa <issei.m7@gmail.com> | ||
* @author Bernhard Schussek <bschussek@gmail.com> | ||
*/ | ||
class StringUtil | ||
{ | ||
/** | ||
* This class should not be instantiated. | ||
*/ | ||
private function __construct() | ||
{ | ||
} | ||
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/** | ||
* Returns the trimmed data. | ||
* | ||
* @param string $string | ||
* | ||
* @return string | ||
*/ | ||
public static function trim($string) | ||
{ | ||
if (null !== $result = @preg_replace('/^[\pZ\p{Cc}]+|[\pZ\p{Cc}]+$/u', '', $string)) { | ||
return $result; | ||
} | ||
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return trim($string); | ||
} | ||
} |