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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.
*/
#ifndef WebData_h
#define WebData_h
#include "WebCommon.h"
#include "WebPrivatePtr.h"
namespace WebCore { class SharedBuffer; }
namespace blink {
class WebDataPrivate;
// A container for raw bytes. It is inexpensive to copy a WebData object.
//
// WARNING: It is not safe to pass a WebData across threads!!!
//
class BLINK_PLATFORM_EXPORT WebData {
public:
~WebData() { reset(); }
WebData() { }
WebData(const char* data, size_t size)
{
assign(data, size);
}
template <int N>
WebData(const char (&data)[N])
{
assign(data, N - 1);
}
WebData(const WebData& d) { assign(d); }
WebData& operator=(const WebData& d)
{
assign(d);
return *this;
}
void reset();
void assign(const WebData&);
void assign(const char* data, size_t size);
size_t size() const;
const char* data() const;
bool isEmpty() const { return !size(); }
bool isNull() const { return m_private.isNull(); }
#if INSIDE_BLINK
WebData(const PassRefPtr<WebCore::SharedBuffer>&);
WebData& operator=(const PassRefPtr<WebCore::SharedBuffer>&);
operator PassRefPtr<WebCore::SharedBuffer>() const;
#else
template <class C>
WebData(const C& c)
{
assign(c.data(), c.size());
}
template <class C>
WebData& operator=(const C& c)
{
assign(c.data(), c.size());
return *this;
}
#endif
private:
WebPrivatePtr<WebCore::SharedBuffer> m_private;
};
} // namespace blink
#endif
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