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/*
* Copyright (C) 2013 Company 100 Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "config.h"
#if USE(SOUP)
#include "SharedBuffer.h"
#include <libsoup/soup.h>
namespace WebCore {
SharedBuffer::SharedBuffer(SoupBuffer* soupBuffer)
: m_buffer(*new DataBuffer)
, m_soupBuffer(soupBuffer)
{
ASSERT(soupBuffer);
}
Ref<SharedBuffer> SharedBuffer::wrapSoupBuffer(SoupBuffer* soupBuffer)
{
return adoptRef(*new SharedBuffer(soupBuffer));
}
GUniquePtr<SoupBuffer> SharedBuffer::createSoupBuffer(unsigned offset, unsigned size)
{
if (m_soupBuffer && !offset && !size) {
GUniquePtr<SoupBuffer> buffer(soup_buffer_copy(m_soupBuffer.get()));
return buffer;
}
ref();
GUniquePtr<SoupBuffer> buffer(soup_buffer_new_with_owner(data() + offset, size ? size : this->size(), this, [](void* data) {
static_cast<SharedBuffer*>(data)->deref();
}));
return buffer;
}
void SharedBuffer::clearPlatformData()
{
m_soupBuffer.reset();
}
void SharedBuffer::maybeTransferPlatformData()
{
if (!m_soupBuffer)
return;
ASSERT(!m_size);
// Hang on to the m_soupBuffer pointer in a local pointer as append() will re-enter maybeTransferPlatformData()
// and we need to make sure to early return when it does.
GUniquePtr<SoupBuffer> soupBuffer;
soupBuffer.swap(m_soupBuffer);
append(soupBuffer->data, soupBuffer->length);
}
bool SharedBuffer::hasPlatformData() const
{
return m_soupBuffer.get();
}
const char* SharedBuffer::platformData() const
{
return m_soupBuffer->data;
}
unsigned SharedBuffer::platformDataSize() const
{
return m_soupBuffer->length;
}
bool SharedBuffer::maybeAppendPlatformData(SharedBuffer&)
{
return false;
}
bool SharedBuffer::tryReplaceContentsWithPlatformBuffer(SharedBuffer& newContents)
{
if (!newContents.hasPlatformData())
return false;
clear();
// FIXME: Use GRefPtr instead of GUniquePtr for the SoupBuffer.
m_soupBuffer.swap(newContents.m_soupBuffer);
return true;
}
} // namespace WebCore
#endif
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