commercebird
/
vendor
/
wordpress
/
mcp-adapter
/
includes
/
Domain
/
Utils
/
AbilityArgumentNormalizer.php
AbilityArgumentNormalizer.php
2 months ago
ContentBlockHelper.php
2 months ago
McpAnnotationMapper.php
2 months ago
McpNameSanitizer.php
2 months ago
McpValidator.php
2 months ago
SchemaTransformer.php
2 months ago
AbilityArgumentNormalizer.php
46 lines
| 1 | <?php |
| 2 | /** |
| 3 | * Normalizes ability arguments for MCP protocol compatibility. |
| 4 | * |
| 5 | * @package McpAdapter |
| 6 | */ |
| 7 | |
| 8 | declare( strict_types=1 ); |
| 9 | |
| 10 | namespace WP\MCP\Domain\Utils; |
| 11 | |
| 12 | /** |
| 13 | * Normalizes ability arguments between MCP and WordPress Abilities API. |
| 14 | * |
| 15 | * MCP clients send {} (empty object) for tools without arguments. |
| 16 | * PHP decodes this as [] (empty array). |
| 17 | * Abilities without input_schema expect null, not empty array. |
| 18 | * |
| 19 | * @since 0.5.0 |
| 20 | */ |
| 21 | class AbilityArgumentNormalizer { |
| 22 | |
| 23 | /** |
| 24 | * Normalize parameters for an ability based on its input schema. |
| 25 | * |
| 26 | * If the ability has no input schema, empty arrays are converted to null. |
| 27 | * This ensures compatibility with abilities that don't accept parameters. |
| 28 | * |
| 29 | * @param \WP_Ability $ability The ability to normalize parameters for. |
| 30 | * @param mixed $parameters The parameters to normalize. |
| 31 | * |
| 32 | * @return mixed Normalized parameters (null if ability has no schema and params are empty). |
| 33 | * @since 0.5.0 |
| 34 | * |
| 35 | */ |
| 36 | public static function normalize( \WP_Ability $ability, $parameters ) { |
| 37 | $input_schema = $ability->get_input_schema(); |
| 38 | |
| 39 | if ( empty( $input_schema ) && is_array( $parameters ) && empty( $parameters ) ) { |
| 40 | return null; |
| 41 | } |
| 42 | |
| 43 | return $parameters; |
| 44 | } |
| 45 | } |
| 46 |