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[HttpFoundation] Wildcard implementation for ParameterBag & Session #2684

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[HttpFoundation] Wildcard implementation for ParameterBag & Session #2684

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39 changes: 39 additions & 0 deletions src/Symfony/Component/HttpFoundation/ParameterBag.php
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Original file line number Diff line number Diff line change
Expand Up @@ -144,6 +144,45 @@ public function get($path, $default = null, $deep = false)

return $value;
}

/**
* Returns values by key wilcard like user.*.param?
*
* @param string $pattern Filtering pattern
*
* @api
*/
public function wildcard($pattern)
{
//see https://github.com/andrewtch/phpwildcard/blob/master/wildcard_match.php for details
//convert pattern to regex
$pattern = preg_split('/((?<!\\\)\*)|((?<!\\\)\?)/', $pattern, null,
PREG_SPLIT_DELIM_CAPTURE|PREG_SPLIT_NO_EMPTY);

foreach($pattern as $key => $part) {
if($part == '?') {
$pattern[$key] = '.';
} elseif ($part == '*') {
$pattern[$key] = '.*';
} else {
$pattern[$key] = preg_quote($part);
}
}

$pattern = implode('', $pattern);

$pattern = '/^'.$pattern.'$/';

$return = array();

foreach($this->parameters as $key => $val) {
if(preg_match($pattern, $key)) {
$return[$key] = $val;
}
}

return $return;
}

/**
* Sets a parameter by name.
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39 changes: 39 additions & 0 deletions src/Symfony/Component/HttpFoundation/Session.php
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Expand Up @@ -98,6 +98,45 @@ public function get($name, $default = null)
{
return array_key_exists($name, $this->attributes) ? $this->attributes[$name] : $default;
}

/**
* Returns values by key wilcard like user.*.param?
*
* @param string $pattern Filtering pattern
*
* @api
*/
public function wildcard($pattern)
{
//see https://github.com/andrewtch/phpwildcard/blob/master/wildcard_match.php for details
//convert pattern to regex
$pattern = preg_split('/((?<!\\\)\*)|((?<!\\\)\?)/', $pattern, null,
PREG_SPLIT_DELIM_CAPTURE|PREG_SPLIT_NO_EMPTY);

foreach($pattern as $key => $part) {
if($part == '?') {
$pattern[$key] = '.';
} elseif ($part == '*') {
$pattern[$key] = '.*';
} else {
$pattern[$key] = preg_quote($part);
}
}

$pattern = implode('', $pattern);

$pattern = '/^'.$pattern.'$/';

$return = array();

foreach($this->attributes as $key => $val) {
if(preg_match($pattern, $key)) {
$return[$key] = $val;
}
}

return $return;
}

/**
* Sets an attribute.
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18 changes: 18 additions & 0 deletions tests/Symfony/Tests/Component/HttpFoundation/ParameterBagTest.php
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Expand Up @@ -202,4 +202,22 @@ public function testFilter()


}

public function testWildcard()
{
$bag = new ParameterBag(array('user.name' => 'John Doe',
'user.email' => '[email protected]',
'user.params.param1' => 'boo',
'user.params.param25' => 'foo',
'other.data' => 'bar'));

$this->assertEquals($bag->wildcard('user.*'), array('user.name' => 'John Doe',
'user.email' => '[email protected]',
'user.params.param1' => 'boo',
'user.params.param25' => 'foo'));

$this->assertEquals($bag->wildcard('user.*.param?'), array('user.params.param1' => 'boo'));

$this->assertEquals($bag->wildcard('user.*.param??'), array('user.params.param25' => 'foo'));
}
}
19 changes: 19 additions & 0 deletions tests/Symfony/Tests/Component/HttpFoundation/SessionTest.php
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Expand Up @@ -224,6 +224,25 @@ public function testStorageRemove()

$this->assertNull($this->storage->read('foo'));
}

public function testWildcards()
{
$session = $this->getSession();
$session->set('user.name', 'John Doe');
$session->set('user.email', '[email protected]');
$session->set('user.params.param1', 'boo');
$session->set('user.params.param25', 'foo');
$session->set('other.data', 'bar');

$this->assertEquals($session->wildcard('user.*'), array('user.name' => 'John Doe',
'user.email' => '[email protected]',
'user.params.param1' => 'boo',
'user.params.param25' => 'foo'));

$this->assertEquals($session->wildcard('user.*.param?'), array('user.params.param1' => 'boo'));

$this->assertEquals($session->wildcard('user.*.param??'), array('user.params.param25' => 'foo'));
}

protected function getSession()
{
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