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Diffstat (limited to 'WebKit/chromium/src/WebData.cpp')
-rw-r--r-- | WebKit/chromium/src/WebData.cpp | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/WebKit/chromium/src/WebData.cpp b/WebKit/chromium/src/WebData.cpp new file mode 100644 index 0000000..6aafe79 --- /dev/null +++ b/WebKit/chromium/src/WebData.cpp @@ -0,0 +1,103 @@ +/* + * 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 |