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| 1 | <?php |
| 2 | |
| 3 | namespace Flow; |
| 4 | |
| 5 | use Flow\Data\Utils\MultiDimArray; |
| 6 | |
| 7 | class FlowActions { |
| 8 | /** |
| 9 | * @var MultiDimArray |
| 10 | */ |
| 11 | protected $actions; |
| 12 | |
| 13 | /** |
| 14 | * @param array $actions |
| 15 | */ |
| 16 | public function __construct( array $actions ) { |
| 17 | $this->actions = new MultiDimArray(); |
| 18 | $this->actions[] = $actions; |
| 19 | } |
| 20 | |
| 21 | /** |
| 22 | * @return string[] |
| 23 | */ |
| 24 | public function getActions() { |
| 25 | return array_keys( $this->actions->all() ); |
| 26 | } |
| 27 | |
| 28 | /** |
| 29 | * Function can be overloaded depending on how deep the desired value is. |
| 30 | * |
| 31 | * @param string $action |
| 32 | * @param string $type |
| 33 | * @return bool True when the requested parameter exists and is not null |
| 34 | */ |
| 35 | public function hasValue( $action, $type = null /* [, $option = null [, ...]] */ ) { |
| 36 | $arguments = func_get_args(); |
| 37 | try { |
| 38 | return isset( $this->actions[$arguments] ); |
| 39 | } catch ( \OutOfBoundsException $e ) { |
| 40 | // Do nothing; the whole remainder of this method is fail-case. |
| 41 | } |
| 42 | |
| 43 | /* |
| 44 | * If no value is found, check if the action is not actually referencing |
| 45 | * another action (for BC reasons), then try fetching the requested data |
| 46 | * from that action. |
| 47 | */ |
| 48 | try { |
| 49 | $referencedAction = $this->actions[$action]; |
| 50 | if ( is_string( $referencedAction ) && $referencedAction != $action ) { |
| 51 | // Replace action name in arguments. |
| 52 | $arguments[0] = $referencedAction; |
| 53 | return isset( $this->actions[$arguments] ); |
| 54 | } |
| 55 | } catch ( \OutOfBoundsException $e ) { |
| 56 | // Do nothing; the whole remainder of this method is fail-case. |
| 57 | } |
| 58 | |
| 59 | return false; |
| 60 | } |
| 61 | |
| 62 | /** |
| 63 | * Function can be overloaded depending on how deep the desired value is. |
| 64 | * |
| 65 | * @param string $action |
| 66 | * @param string $type |
| 67 | * @return mixed|null Requested value or null if missing |
| 68 | */ |
| 69 | public function getValue( $action, $type = null /* [, $option = null [, ...]] */ ) { |
| 70 | $arguments = func_get_args(); |
| 71 | |
| 72 | try { |
| 73 | return $this->actions[$arguments]; |
| 74 | } catch ( \OutOfBoundsException $e ) { |
| 75 | // Do nothing; the whole remainder of this method is fail-case. |
| 76 | } |
| 77 | |
| 78 | /* |
| 79 | * If no value is found, check if the action is not actually referencing |
| 80 | * another action (for BC reasons), then try fetching the requested data |
| 81 | * from that action. |
| 82 | */ |
| 83 | try { |
| 84 | $referencedAction = $this->actions[$action]; |
| 85 | if ( is_string( $referencedAction ) && $referencedAction != $action ) { |
| 86 | // Remove action name from arguments |
| 87 | array_shift( $arguments ); |
| 88 | |
| 89 | return $this->getValue( $referencedAction, ...$arguments ); |
| 90 | } |
| 91 | } catch ( \OutOfBoundsException $e ) { |
| 92 | // Do nothing; the whole remainder of this method is fail-case. |
| 93 | } |
| 94 | |
| 95 | return null; |
| 96 | } |
| 97 | } |