blob: 7404a7cebb48dfa6210cb5fe3b2add548b9c9a78 [file] [log] [blame]
/*
* Copyright (C) 2010 Google 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:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "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 THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR 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 "BlobBuilder.h"
#include "EndingType.h"
#include "Blob.h"
#include <JavaScriptCore/ArrayBuffer.h>
#include <JavaScriptCore/ArrayBufferView.h>
#include <pal/text/TextEncoding.h>
#include <wtf/text/CString.h>
#include <wtf/text/LineEnding.h>
namespace WebCore {
BlobBuilder::BlobBuilder(EndingType endings)
: m_endings(endings)
{
}
void BlobBuilder::append(RefPtr<ArrayBuffer>&& arrayBuffer)
{
if (!arrayBuffer)
return;
m_appendableData.append(static_cast<const uint8_t*>(arrayBuffer->data()), arrayBuffer->byteLength());
}
void BlobBuilder::append(RefPtr<ArrayBufferView>&& arrayBufferView)
{
if (!arrayBufferView)
return;
m_appendableData.append(static_cast<const uint8_t*>(arrayBufferView->baseAddress()), arrayBufferView->byteLength());
}
void BlobBuilder::append(RefPtr<Blob>&& blob)
{
if (!blob)
return;
if (!m_appendableData.isEmpty())
m_items.append(BlobPart(WTFMove(m_appendableData)));
m_items.append(BlobPart(blob->url()));
}
void BlobBuilder::append(const String& text)
{
auto bytes = PAL::UTF8Encoding().encode(text, PAL::UnencodableHandling::Entities, PAL::NFCNormalize::No);
if (m_endings == EndingType::Native)
bytes = normalizeLineEndingsToNative(WTFMove(bytes));
if (m_appendableData.isEmpty())
m_appendableData = WTFMove(bytes);
else {
// FIXME: Would it be better to move multiple vectors into m_items instead of merging them into one?
m_appendableData.appendVector(bytes);
}
}
Vector<BlobPart> BlobBuilder::finalize()
{
if (!m_appendableData.isEmpty())
m_items.append(BlobPart(WTFMove(m_appendableData)));
return WTFMove(m_items);
}
} // namespace WebCore