Viewing file:  ArrayEntryToken.php (3.64 KB) -rw-r--r--
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<?php
/*
* This file is part of the Prophecy.
* (c) Konstantin Kudryashov <ever.zet@gmail.com>
* Marcello Duarte <marcello.duarte@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Prophecy\Argument\Token;
use Prophecy\Exception\InvalidArgumentException;
/**
* Array entry token.
*
* @author Boris Mikhaylov <kaguxmail@gmail.com>
*/
class ArrayEntryToken implements TokenInterface
{
/** @var \Prophecy\Argument\Token\TokenInterface */
private $key;
/** @var \Prophecy\Argument\Token\TokenInterface */
private $value;
/**
* @param mixed $key exact value or token
* @param mixed $value exact value or token
*/
public function __construct($key, $value)
{
$this->key = $this->wrapIntoExactValueToken($key);
$this->value = $this->wrapIntoExactValueToken($value);
}
/**
* Scores half of combined scores from key and value tokens for same entry. Capped at 8.
* If argument implements \ArrayAccess without \Traversable, then key token is restricted to ExactValueToken.
*
* @param array|\ArrayAccess|\Traversable $argument
*
* @throws \Prophecy\Exception\InvalidArgumentException
* @return bool|int
*/
public function scoreArgument($argument)
{
if ($argument instanceof \Traversable) {
$argument = iterator_to_array($argument);
}
if ($argument instanceof \ArrayAccess) {
$argument = $this->convertArrayAccessToEntry($argument);
}
if (!is_array($argument) || empty($argument)) {
return false;
}
$keyScores = array_map(array($this->key,'scoreArgument'), array_keys($argument));
$valueScores = array_map(array($this->value,'scoreArgument'), $argument);
$scoreEntry = function ($value, $key) {
return $value && $key ? min(8, ($key + $value) / 2) : false;
};
return max(array_map($scoreEntry, $valueScores, $keyScores));
}
/**
* Returns false.
*
* @return boolean
*/
public function isLast()
{
return false;
}
/**
* Returns string representation for token.
*
* @return string
*/
public function __toString()
{
return sprintf('[..., %s => %s, ...]', $this->key, $this->value);
}
/**
* Returns key
*
* @return TokenInterface
*/
public function getKey()
{
return $this->key;
}
/**
* Returns value
*
* @return TokenInterface
*/
public function getValue()
{
return $this->value;
}
/**
* Wraps non token $value into ExactValueToken
*
* @param $value
* @return TokenInterface
*/
private function wrapIntoExactValueToken($value)
{
return $value instanceof TokenInterface ? $value : new ExactValueToken($value);
}
/**
* Converts instance of \ArrayAccess to key => value array entry
*
* @param \ArrayAccess $object
*
* @return array|null
* @throws \Prophecy\Exception\InvalidArgumentException
*/
private function convertArrayAccessToEntry(\ArrayAccess $object)
{
if (!$this->key instanceof ExactValueToken) {
throw new InvalidArgumentException(sprintf(
'You can only use exact value tokens to match key of ArrayAccess object'.PHP_EOL.
'But you used `%s`.',
$this->key
));
}
$key = $this->key->getValue();
return $object->offsetExists($key) ? array($key => $object[$key]) : array();
}
}
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