Function resolveRefInSchema

internal/validators/schema.go:430–476

resolveRefInSchema looks up a $ref value in the schema

(schema map[string]any, refPath string)

// resolveRefInSchema looks up a $ref value in the schema
func resolveRefInSchema(schema map[string]any, refPath string) string {
	// Handle the # prefix - it indicates the root of the schema JSON
	refPath = strings.TrimPrefix(refPath, "#")

	// Parse the JSON pointer path
	pathParts := strings.Split(strings.TrimPrefix(refPath, "/"), "/")

	// Navigate through the schema to find the $ref value
	var current any = schema
	for _, part := range pathParts {
		if part == "" {
			continue
		}

		if part == "$ref" {
			// We've reached the $ref, return its value
			if currentMap, ok := current.(map[string]any); ok {
				if refValue, ok := currentMap["$ref"].(string); ok {
					return refValue
				}
			}
			return ""
		}

		// Navigate to the next level
		// Check if this is an array index
		if index, err := strconv.Atoi(part); err == nil {
			// This is an array index - check if current element is an array
			if arr, ok := current.([]any); ok && index < len(arr) {
				current = arr[index]
			} else {
				// Current element is not an array or index out of bounds
				return ""
			}
		} else {
			// This is a map key
			if currentMap, ok := current.(map[string]any); ok {
				current = currentMap[part]
			} else {
				// Current element is not a map
				return ""
			}
		}
	}

	return ""
}