Comments (3)
It may not belong to the first version of the spec but I agree that origin port could be included if we're seeing custom origins.
cc @reillyeon
from webusb.
URL descriptors represent URLs, not origins so the structure would have to be a little more complex:
Offset Field Size Value Description
0 bLength 1 Number Size of this descriptor.
1 bDescriptorType 1 Constant WEBUSB_URL.
2 bScheme 1 Number URL scheme.
3 bPort 2 Number URL port.
5 Host Variable String UTF-8 encoded host, query and fragment.
Pragmatically, most URLs will use the default port for their scheme so we save 2 bytes in the usual case at the expense of requiring 2-7 in unusual cases and avoid an awkward parsing algorithm that requires replacing the port number after the URL has already been parsed.
from webusb.
The current URL descriptor encoding stores the port number as part of the URL. Only the scheme is handled specially since it will be present in all URLs.
from webusb.
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from webusb.