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/*
* Copyright (C) 2016 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "TextEncoder.h"
#include <JavaScriptCore/GenericTypedArrayViewInlines.h>
#include <JavaScriptCore/JSCInlines.h>
namespace WebCore {
String TextEncoder::encoding() const
{
return "utf-8"_s;
}
RefPtr<Uint8Array> TextEncoder::encode(String&& input) const
{
// THIS CODE SHOULD NEVER BE REACHED IN BUN
RELEASE_ASSERT(1);
return nullptr;
}
auto TextEncoder::encodeInto(String&& input, Ref<Uint8Array>&& array) -> EncodeIntoResult
{
// THIS CODE SHOULD NEVER BE REACHED IN BUN
RELEASE_ASSERT(1);
auto* destinationBytes = static_cast<uint8_t*>(array->baseAddress());
auto capacity = array->byteLength();
uint64_t read = 0;
uint64_t written = 0;
for (auto token : StringView(input).codePoints()) {
if (written >= capacity) {
ASSERT(written == capacity);
break;
}
UBool sawError = false;
U8_APPEND(destinationBytes, written, capacity, token, sawError);
if (sawError)
break;
if (U_IS_BMP(token))
read++;
else
read += 2;
}
return { read, written };
}
}
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