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| 1 | <?php |
| 2 | |
| 3 | namespace Automattic\Jetpack\Schema\Types; |
| 4 | |
| 5 | use Automattic\Jetpack\Schema\Parser; |
| 6 | use Automattic\Jetpack\Schema\Schema_Error; |
| 7 | use Automattic\Jetpack\Schema\Utils; |
| 8 | |
| 9 | class Type_Assoc_Array implements Parser { |
| 10 | private $parser; |
| 11 | |
| 12 | /** |
| 13 | * Assoc Array type takes in a parser in the constructor and |
| 14 | * will parse each keyed value in the array using the parser. |
| 15 | * |
| 16 | * @param Parser[] $assoc_parser_array - An associative array of parsers to use. |
| 17 | * @throws Schema_Error - Only in Debug mode: if the $assoc_parser_array is not an associative array. |
| 18 | */ |
| 19 | public function __construct( $assoc_parser_array ) { |
| 20 | $this->parser = $assoc_parser_array; |
| 21 | if ( ! is_array( $assoc_parser_array ) && Utils::is_debug() ) { |
| 22 | $message = "Expected an associative array of parsers, received '" . gettype( $assoc_parser_array ) . "'"; |
| 23 | throw new Schema_Error( $message, $assoc_parser_array ); |
| 24 | } |
| 25 | } |
| 26 | |
| 27 | /** |
| 28 | * This parse method expects that the $data passed to it is |
| 29 | * an associative array of values. |
| 30 | * |
| 31 | * It will then loop over each key that was provided in the constructor |
| 32 | * and pull the value based on that key from the $data array. |
| 33 | * |
| 34 | * @param array|object $value |
| 35 | * |
| 36 | * @return array |
| 37 | * @throws Schema_Error - If the $data passed to it is not an associative array. |
| 38 | */ |
| 39 | public function parse( $value, $context ) { |
| 40 | // Allow coercing stdClass objects (often returned from json_decode) to an assoc array. |
| 41 | if ( is_object( $value ) && $value instanceof \stdClass ) { |
| 42 | $value = (array) $value; |
| 43 | } |
| 44 | |
| 45 | if ( ! is_array( $value ) || $this->is_sequential_array( $value ) ) { |
| 46 | $message = "Expected an associative array, received '" . gettype( $value ) . "'"; |
| 47 | throw new Schema_Error( $message, $value ); |
| 48 | } |
| 49 | $output = array(); |
| 50 | foreach ( $this->parser as $key => $parser ) { |
| 51 | |
| 52 | if ( null !== $context ) { |
| 53 | $context->add_to_path( $key ); |
| 54 | } |
| 55 | |
| 56 | if ( ! isset( $value[ $key ] ) ) { |
| 57 | $value[ $key ] = null; |
| 58 | } |
| 59 | |
| 60 | $parsed = $parser->parse( $value[ $key ], $context ); |
| 61 | // @TODO Document this behavior. |
| 62 | // At the moment, values that are null are dropped from assoc arrays. |
| 63 | // to match the Zod behavior. |
| 64 | if ( $parsed !== null ) { |
| 65 | $output[ $key ] = $parsed; |
| 66 | } |
| 67 | |
| 68 | if ( null !== $context ) { |
| 69 | $context->remove_path( $key ); |
| 70 | } |
| 71 | } |
| 72 | |
| 73 | return $output; |
| 74 | } |
| 75 | |
| 76 | private function is_sequential_array( $arr ) { |
| 77 | if ( array() === $arr ) { |
| 78 | return false; |
| 79 | } |
| 80 | return array_keys( $arr ) === range( 0, count( $arr ) - 1 ); |
| 81 | } |
| 82 | |
| 83 | public function __toString() { |
| 84 | return 'assoc_array'; |
| 85 | } |
| 86 | |
| 87 | /** |
| 88 | * @return string |
| 89 | */ |
| 90 | #[\ReturnTypeWillChange] |
| 91 | public function jsonSerialize() { |
| 92 | return $this->schema(); |
| 93 | } |
| 94 | |
| 95 | public function schema() { |
| 96 | $results = array(); |
| 97 | foreach ( $this->parser as $key => $parser ) { |
| 98 | $results[ $key ] = $parser->schema(); |
| 99 | } |
| 100 | return array( |
| 101 | 'type' => 'assoc_array', |
| 102 | 'value' => $results, |
| 103 | ); |
| 104 | } |
| 105 | } |