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LibWeb: Implement FileReaderSync interface

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This interface allows the user to read File or Blob objects
synchronously from inside workers.
This commit is contained in:
Tim Ledbetter 2025-02-22 07:15:40 +00:00 • committed by Tim Ledbetter
commit bbcd8bd97c
Notes: github-actions[bot] 2025-02-28 04:50:48 +00:00
6 changed files with 170 additions and 9 deletions
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41
Libraries/LibWeb/FileAPI/FileReaderSync.h Normal file
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/*
* Copyright (c) 2025, Tim Ledbetter <tim.ledbetter@ladybird.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <LibJS/Forward.h>
#include <LibWeb/Bindings/PlatformObject.h>
#include <LibWeb/FileAPI/FileReader.h>
#include <LibWeb/Forward.h>
namespace Web::FileAPI {
// https://w3c.github.io/FileAPI/#FileReaderSync
class FileReaderSync : public Bindings::PlatformObject {
WEB_PLATFORM_OBJECT(FileReaderSync, Bindings::PlatformObject);
GC_DECLARE_ALLOCATOR(FileReaderSync);
public:
virtual ~FileReaderSync() override;
[[nodiscard]] static GC::Ref<FileReaderSync> create(JS::Realm&);
static GC::Ref<FileReaderSync> construct_impl(JS::Realm&);
WebIDL::ExceptionOr<GC::Root<JS::ArrayBuffer>> read_as_array_buffer(Blob&);
WebIDL::ExceptionOr<String> read_as_binary_string(Blob&);
WebIDL::ExceptionOr<String> read_as_text(Blob&, Optional<String> const& encoding = {});
WebIDL::ExceptionOr<String> read_as_data_url(Blob&);
private:
explicit FileReaderSync(JS::Realm&);
template<typename Result>
WebIDL::ExceptionOr<Result> read_as(Blob&, FileReader::Type, Optional<String> const& encoding = {});
virtual void initialize(JS::Realm&) override;
};
}