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LibWeb: Move deserialize_* methods outside scope of Deserializer class

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These methods are useful independent of the class Deserializer, so let's
move their declarations to the header file and and outside the scope of
the Deserializer class.
This commit is contained in:
Kenneth Myhra 2024-02-22 18:28:34 +01:00 • committed by Andrew Kaster
parent 5a1944ce64
commit 985d0dd270
2 changed files with 50 additions and 45 deletions
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90
Userland/Libraries/LibWeb/HTML/StructuredSerialize.cpp
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@ -894,53 +894,53 @@ private:
m_position += 2;
return value;
}
static WebIDL::ExceptionOr<ByteBuffer> deserialize_bytes(JS::VM& vm, ReadonlySpan<u32> vector, size_t& position)
{
u32 size_bits[2];
size_bits[0] = vector[position++];
size_bits[1] = vector[position++];
u64 const size = *bit_cast<u64*>(&size_bits);
auto bytes = TRY_OR_THROW_OOM(vm, ByteBuffer::create_uninitialized(size));
u64 byte_position = 0;
while (position < vector.size() && byte_position < size) {
for (u8 i = 0; i < 4; ++i) {
bytes[byte_position++] = (vector[position] >> (i * 8) & 0xFF);
if (byte_position == size)
break;
}
position++;
}
return bytes;
}
static WebIDL::ExceptionOr<String> deserialize_string(JS::VM& vm, ReadonlySpan<u32> vector, size_t& position)
{
auto bytes = TRY(deserialize_bytes(vm, vector, position));
return TRY_OR_THROW_OOM(vm, String::from_utf8(StringView { bytes }));
}
static WebIDL::ExceptionOr<JS::NonnullGCPtr<JS::PrimitiveString>> deserialize_string_primitive(JS::VM& vm, ReadonlySpan<u32> vector, size_t& position)
{
auto bytes = TRY(deserialize_bytes(vm, vector, position));
return TRY(Bindings::throw_dom_exception_if_needed(vm, [&vm, &bytes]() {
return JS::PrimitiveString::create(vm, StringView { bytes });
}));
}
static WebIDL::ExceptionOr<JS::NonnullGCPtr<JS::BigInt>> deserialize_big_int_primitive(JS::VM& vm, ReadonlySpan<u32> vector, size_t& position)
{
auto string = TRY(deserialize_string_primitive(vm, vector, position));
auto string_view = TRY(Bindings::throw_dom_exception_if_needed(vm, [&string]() {
return string->utf8_string_view();
}));
auto bigint = MUST(::Crypto::SignedBigInteger::from_base(10, string_view.substring_view(0, string_view.length() - 1)));
return JS::BigInt::create(vm, bigint);
}
};
WebIDL::ExceptionOr<ByteBuffer> deserialize_bytes(JS::VM& vm, ReadonlySpan<u32> vector, size_t& position)
{
u32 size_bits[2];
size_bits[0] = vector[position++];
size_bits[1] = vector[position++];
u64 const size = *bit_cast<u64*>(&size_bits);
auto bytes = TRY_OR_THROW_OOM(vm, ByteBuffer::create_uninitialized(size));
u64 byte_position = 0;
while (position < vector.size() && byte_position < size) {
for (u8 i = 0; i < 4; ++i) {
bytes[byte_position++] = (vector[position] >> (i * 8) & 0xFF);
if (byte_position == size)
break;
}
position++;
}
return bytes;
}
WebIDL::ExceptionOr<String> deserialize_string(JS::VM& vm, ReadonlySpan<u32> vector, size_t& position)
{
auto bytes = TRY(deserialize_bytes(vm, vector, position));
return TRY_OR_THROW_OOM(vm, String::from_utf8(StringView { bytes }));
}
WebIDL::ExceptionOr<JS::NonnullGCPtr<JS::PrimitiveString>> deserialize_string_primitive(JS::VM& vm, ReadonlySpan<u32> vector, size_t& position)
{
auto bytes = TRY(deserialize_bytes(vm, vector, position));
return TRY(Bindings::throw_dom_exception_if_needed(vm, [&vm, &bytes]() {
return JS::PrimitiveString::create(vm, StringView { bytes });
}));
}
WebIDL::ExceptionOr<JS::NonnullGCPtr<JS::BigInt>> deserialize_big_int_primitive(JS::VM& vm, ReadonlySpan<u32> vector, size_t& position)
{
auto string = TRY(deserialize_string_primitive(vm, vector, position));
auto string_view = TRY(Bindings::throw_dom_exception_if_needed(vm, [&string]() {
return string->utf8_string_view();
}));
auto bigint = MUST(::Crypto::SignedBigInteger::from_base(10, string_view.substring_view(0, string_view.length() - 1)));
return JS::BigInt::create(vm, bigint);
}
// https://html.spec.whatwg.org/multipage/structured-data.html#structuredserializewithtransfer
WebIDL::ExceptionOr<SerializedTransferRecord> structured_serialize_with_transfer(JS::VM& vm, JS::Value value, Vector<JS::Handle<JS::Object>> const& transfer_list)
{