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<?php
/**
* @see https://github.com/zendframework/zend-http for the canonical source repository
* @copyright Copyright (c) 2005-2017 Zend Technologies USA Inc. (http://www.zend.com)
* @license https://github.com/zendframework/zend-http/blob/master/LICENSE.md New BSD License
*/
namespace Zend\Http\Header;
use Zend\Http\Header\Accept\FieldValuePart;
/**
* Accept Header
*
* @see http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.1
*/
class Accept extends AbstractAccept
{
/**
* @var string
*/
protected $regexAddType = '#^([a-zA-Z+-]+|\*)/(\*|[a-zA-Z0-9+-]+)$#';
/**
* Get field name
*
* @return string
*/
public function getFieldName()
{
return 'Accept';
}
/**
* Cast to string
*
* @return string
*/
public function toString()
{
return 'Accept: ' . $this->getFieldValue();
}
/**
* Add a media type, with the given priority
*
* @param string $type
* @param int|float $priority
* @param array $params
* @return Accept
*/
public function addMediaType($type, $priority = 1, array $params = [])
{
return $this->addType($type, $priority, $params);
}
/**
* Does the header have the requested media type?
*
* @param string $type
* @return bool
*/
public function hasMediaType($type)
{
return $this->hasType($type);
}
/**
* Parse the keys contained in the header line
*
* @param string $fieldValuePart
* @return FieldValuePart\AcceptFieldValuePart
* @see \Zend\Http\Header\AbstractAccept::parseFieldValuePart()
*/
protected function parseFieldValuePart($fieldValuePart)
{
$raw = $fieldValuePart;
if ($pos = strpos($fieldValuePart, '/')) {
$type = trim(substr($fieldValuePart, 0, $pos));
} else {
$type = trim($fieldValuePart);
}
$params = $this->getParametersFromFieldValuePart($fieldValuePart);
if ($pos = strpos($fieldValuePart, ';')) {
$fieldValuePart = trim(substr($fieldValuePart, 0, $pos));
}
if (strpos($fieldValuePart, '/')) {
$subtypeWhole = $format = $subtype = trim(substr($fieldValuePart, strpos($fieldValuePart, '/') + 1));
} else {
$subtypeWhole = '';
$format = '*';
$subtype = '*';
}
$pos = strpos($subtype, '+');
if (false !== $pos) {
$format = trim(substr($subtype, $pos + 1));
$subtype = trim(substr($subtype, 0, $pos));
}
$aggregated = [
'typeString' => trim($fieldValuePart),
'type' => $type,
'subtype' => $subtype,
'subtypeRaw' => $subtypeWhole,
'format' => $format,
'priority' => isset($params['q']) ? $params['q'] : 1,
'params' => $params,
'raw' => trim($raw),
];
return new FieldValuePart\AcceptFieldValuePart((object) $aggregated);
}
}