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IDLGenerators: Throw TypeError if IDL ByteString contains element > 255

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This commit is contained in:
Tim Ledbetter
2024-11-21 16:58:44 +00:00
committed by Tim Flynn
parent 6dc61f895d
commit 19a5780f0c
3 changed files with 41 additions and 7 deletions
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27
Libraries/LibWeb/WebIDL/AbstractOperations.cpp
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@@ -225,6 +225,33 @@ JS::Completion call_user_object_operation(WebIDL::CallbackType& callback, String
return clean_up_on_return(stored_realm, relevant_realm, completion, callback.operation_returns_promise);
}
// https://webidl.spec.whatwg.org/#ref-for-idl-ByteString%E2%91%A7
JS::ThrowCompletionOr<String> to_byte_string(JS::VM& vm, JS::Value value)
{
// 1. Let x be ? ToString(V).
auto x = TRY(value.to_string(vm));
// 2. If the value of any element of x is greater than 255, then throw a TypeError.
for (auto character : x.code_points()) {
if (character > 0xFF)
return vm.throw_completion<JS::TypeError>(JS::ErrorType::InvalidCodePoint);
}
// 3. Return an IDL ByteString value whose length is the length of x, and where the value of each element is the value of the corresponding element of x.
// FIXME: This should return a ByteString.
return x;
}
JS::ThrowCompletionOr<String> to_string(JS::VM& vm, JS::Value value)
{
return value.to_string(vm);
}
JS::ThrowCompletionOr<String> to_usv_string(JS::VM& vm, JS::Value value)
{
return value.to_well_formed_string(vm);
}
// https://webidl.spec.whatwg.org/#invoke-a-callback-function
// https://whatpr.org/webidl/1437.html#invoke-a-callback-function
JS::Completion invoke_callback(WebIDL::CallbackType& callback, Optional<JS::Value> this_argument, GC::MarkedVector<JS::Value> args)