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LibWeb+Meta: Add wrapper for the BufferSource/ArrayBufferView IDL types

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These wrappers will make it much easier to do various operations on the
different ArrayBuffer-related classes in LibWeb compared to the current
solution, which is to just accept a Handle<Object> everywhere (and use
"any" in the *.idl files).

Co-Authored-By: Matthew Olsson <mattco@serenityos.org>
This commit is contained in:
Shannon Booth 2023-11-23 20:07:25 +13:00 • committed by Andreas Kling
parent 54d0aafff0
commit 04c094343f
27 changed files with 286 additions and 71 deletions
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6
Userland/Libraries/LibWeb/Encoding/TextDecoder.cpp
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@ -9,6 +9,7 @@
#include <LibWeb/Bindings/Intrinsics.h>
#include <LibWeb/Encoding/TextDecoder.h>
#include <LibWeb/WebIDL/AbstractOperations.h>
#include <LibWeb/WebIDL/Buffers.h>
namespace Web::Encoding {
@ -44,14 +45,13 @@ void TextDecoder::initialize(JS::Realm& realm)
}
// https://encoding.spec.whatwg.org/#dom-textdecoder-decode
WebIDL::ExceptionOr<String> TextDecoder::decode(Optional<JS::Handle<JS::Object>> const& input, Optional<TextDecodeOptions> const&) const
WebIDL::ExceptionOr<String> TextDecoder::decode(Optional<JS::Handle<WebIDL::BufferSource>> const& input, Optional<TextDecodeOptions> const&) const
{
if (!input.has_value())
return TRY_OR_THROW_OOM(vm(), m_decoder.to_utf8({}));
// FIXME: Implement the streaming stuff.
auto data_buffer_or_error = WebIDL::get_buffer_source_copy(*input->cell());
auto data_buffer_or_error = WebIDL::get_buffer_source_copy(*input.value()->raw_object());
if (data_buffer_or_error.is_error())
return WebIDL::OperationError::create(realm(), "Failed to copy bytes from ArrayBuffer"_fly_string);
auto& data_buffer = data_buffer_or_error.value();