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<?php |
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namespace TheCodingMachine\Discovery; |
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/** |
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* An asset type is essentially an array of Assets |
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*/ |
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class AssetType implements \JsonSerializable, AssetTypeInterface |
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{ |
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/** |
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* @var string |
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*/ |
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private $name; |
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/** |
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* @var Asset[] |
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*/ |
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private $assets = []; |
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private $sorted = false; |
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public function __construct(string $name) |
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{ |
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$this->name = $name; |
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} |
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/** |
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* Registers an asset operation. |
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* Note: it is expected that asset operations will be added in the order of package dependencies. |
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* Order of assets with same priority will be preserved. |
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* |
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* @param AssetOperation $operation |
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*/ |
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public function addAssetOperation(AssetOperation $operation) |
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{ |
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if ($operation->getOperation() === AssetOperation::ADD) { |
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$this->assets[] = $operation->getAsset(); |
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} else { |
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// This is a remove! |
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$this->assets = array_values(array_filter($this->assets, function (Asset $asset) use ($operation) { |
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return $asset->getValue() !== $operation->getAsset()->getValue(); |
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})); |
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} |
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$this->sorted = false; |
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} |
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/** |
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* Sort assets by priority. |
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*/ |
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private function sortAssets() |
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{ |
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if ($this->sorted === true) { |
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return; |
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} |
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// Let's order assets by priority. |
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$this->stableSort($this->assets, function (Asset $asset1, Asset $asset2) { |
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return $asset2->getPriority() <=> $asset1->getPriority(); |
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}); |
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$this->sorted = true; |
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} |
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/** |
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* Similar to a usort except that if 2 priorities are equal, order is preserved. |
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* Shamelessly copied from http://php.net/manual/fr/function.usort.php#38827 |
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* |
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* @param $array |
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* @param string $cmp_function |
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*/ |
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private function stableSort(&$array, $cmp_function = 'strcmp') |
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{ |
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// Arrays of size < 2 require no action. |
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if (count($array) < 2) { |
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return; |
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} |
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// Split the array in half |
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$halfway = count($array) / 2; |
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$array1 = array_slice($array, 0, $halfway); |
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$array2 = array_slice($array, $halfway); |
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// Recurse to sort the two halves |
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$this->stableSort($array1, $cmp_function); |
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$this->stableSort($array2, $cmp_function); |
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// If all of $array1 is <= all of $array2, just append them. |
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if (call_user_func($cmp_function, end($array1), $array2[0]) < 1) { |
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$array = array_merge($array1, $array2); |
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return; |
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} |
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// Merge the two sorted arrays into a single sorted array |
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$array = array(); |
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$ptr1 = $ptr2 = 0; |
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while ($ptr1 < count($array1) && $ptr2 < count($array2)) { |
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if (call_user_func($cmp_function, $array1[$ptr1], $array2[$ptr2]) < 1) { |
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$array[] = $array1[$ptr1++]; |
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} else { |
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$array[] = $array2[$ptr2++]; |
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} |
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} |
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// Merge the remainder |
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while ($ptr1 < count($array1)) { |
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$array[] = $array1[$ptr1++]; |
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} |
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while ($ptr2 < count($array2)) { |
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$array[] = $array2[$ptr2++]; |
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} |
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} |
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/** |
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* @return string |
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*/ |
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public function getName(): string |
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{ |
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return $this->name; |
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} |
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/** |
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* @return Asset[] |
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*/ |
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public function getAssets() : array |
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{ |
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$this->sortAssets(); |
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return $this->assets; |
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} |
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/** |
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* Shortcut to get an array of values of the assets. |
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* |
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* @return string[] |
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*/ |
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public function getValues() : array |
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{ |
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return array_map(function (Asset $asset) { |
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return $asset->getValue(); |
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}, $this->getAssets()); |
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} |
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/** |
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* Specify data which should be serialized to JSON |
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* @link http://php.net/manual/en/jsonserializable.jsonserialize.php |
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* @return mixed data which can be serialized by <b>json_encode</b>, |
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* which is a value of any type other than a resource. |
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* @since 5.4.0 |
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*/ |
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public function jsonSerialize() |
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{ |
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return array_map(function (Asset $asset) { |
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return $asset->jsonSerialize(); |
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}, $this->getAssets()); |
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} |
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} |
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thecodingmachine /
discovery
Our type inference engine has found an assignment to a property that is incompatible with the declared type of that property.
Either this assignment is in error or the assigned type should be added to the documentation/type hint for that property..