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Code Issues Projects Releases Packages Wiki Activity Actions 9

AK+LibJS: Use simdutf for all base64 operations

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We were previously unable to use simdutf for base64 decoding operations
other than "loose". Upstream has added support for the "strict" and
"stop-before-partial" operations, so let's make use of them!
This commit is contained in:
Timothy Flynn 2025-05-03 07:08:26 -04:00 • committed by Tim Flynn
commit 8a80ff7b3b
Notes: github-actions[bot] 2025-05-03 15:22:03 +00:00
6 changed files with 88 additions and 370 deletions
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9
Libraries/LibJS/Runtime/Uint8Array.h
View file

@ -6,6 +6,7 @@
#pragma once
#include <AK/Base64.h>
#include <AK/ByteBuffer.h>
#include <AK/Optional.h>
#include <AK/StringView.h>
@ -41,12 +42,6 @@ enum class Alphabet {
Base64URL,
};
enum class LastChunkHandling {
Loose,
Strict,
StopBeforePartial,
};
struct DecodeResult {
size_t read { 0 }; // [[Read]]
ByteBuffer bytes; // [[Bytes]]
@ -56,7 +51,7 @@ struct DecodeResult {
ThrowCompletionOr<GC::Ref<TypedArrayBase>> validate_uint8_array(VM&);
ThrowCompletionOr<ByteBuffer> get_uint8_array_bytes(VM&, TypedArrayBase const&);
void set_uint8_array_bytes(TypedArrayBase&, ReadonlyBytes);
DecodeResult from_base64(VM&, StringView string, Alphabet alphabet, LastChunkHandling last_chunk_handling, Optional<size_t> max_length = {});
DecodeResult from_base64(VM&, StringView string, Alphabet alphabet, AK::LastChunkHandling last_chunk_handling, Optional<size_t> max_length = {});
DecodeResult from_hex(VM&, StringView string, Optional<size_t> max_length = {});
}