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d265575269
Some callers (LibJS) will want to control the size of the output buffer, to decode up to a maximum length. They will also want to receive partial results in the case of an error. This patch adds a method to provide those capabilities, and makes the existing implementation use it.
47 lines
1.1 KiB
C++
47 lines
1.1 KiB
C++
/*
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* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/ByteBuffer.h>
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#include <AK/Error.h>
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#include <AK/String.h>
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#include <AK/StringView.h>
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namespace AK {
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size_t size_required_to_decode_base64(StringView);
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ErrorOr<ByteBuffer> decode_base64(StringView);
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ErrorOr<ByteBuffer> decode_base64url(StringView);
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struct InvalidBase64 {
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Error error;
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size_t valid_input_bytes { 0 };
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};
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// On success, these return the number of input bytes that were decoded. This might be less than the
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// string length if the output buffer was not large enough.
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ErrorOr<size_t, InvalidBase64> decode_base64_into(StringView, ByteBuffer&);
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ErrorOr<size_t, InvalidBase64> decode_base64url_into(StringView, ByteBuffer&);
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enum class OmitPadding {
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No,
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Yes,
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};
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ErrorOr<String> encode_base64(ReadonlyBytes, OmitPadding = OmitPadding::No);
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ErrorOr<String> encode_base64url(ReadonlyBytes, OmitPadding = OmitPadding::No);
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}
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#if USING_AK_GLOBALLY
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using AK::decode_base64;
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using AK::decode_base64url;
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using AK::encode_base64;
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using AK::encode_base64url;
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#endif
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