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/*
* Copyright (C) 2009 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 "WebData.h"
#include "SharedBuffer.h"
using namespace WebCore;
namespace WebKit {
class WebDataPrivate : public SharedBuffer {
};
void WebData::reset()
{
if (m_private) {
m_private->deref();
m_private = 0;
}
}
void WebData::assign(const WebData& other)
{
WebDataPrivate* p = const_cast<WebDataPrivate*>(other.m_private);
if (p)
p->ref();
assign(p);
}
void WebData::assign(const char* data, size_t size)
{
assign(static_cast<WebDataPrivate*>(
SharedBuffer::create(data, size).releaseRef()));
}
size_t WebData::size() const
{
if (!m_private)
return 0;
return const_cast<WebDataPrivate*>(m_private)->size();
}
const char* WebData::data() const
{
if (!m_private)
return 0;
return const_cast<WebDataPrivate*>(m_private)->data();
}
WebData::WebData(const PassRefPtr<SharedBuffer>& buffer)
: m_private(static_cast<WebDataPrivate*>(buffer.releaseRef()))
{
}
WebData& WebData::operator=(const PassRefPtr<SharedBuffer>& buffer)
{
assign(static_cast<WebDataPrivate*>(buffer.releaseRef()));
return *this;
}
WebData::operator PassRefPtr<SharedBuffer>() const
{
return PassRefPtr<SharedBuffer>(const_cast<WebDataPrivate*>(m_private));
}
void WebData::assign(WebDataPrivate* p)
{
// p is already ref'd for us by the caller
if (m_private)
m_private->deref();
m_private = p;
}
} // namespace WebKit
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