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| 1 /* | |
| 2 * Copyright (C) 2009 Google Inc. All rights reserved. | |
| 3 * | |
| 4 * Redistribution and use in source and binary forms, with or without | |
| 5 * modification, are permitted provided that the following conditions are | |
| 6 * met: | |
| 7 * | |
| 8 * * Redistributions of source code must retain the above copyright | |
| 9 * notice, this list of conditions and the following disclaimer. | |
| 10 * * Redistributions in binary form must reproduce the above | |
| 11 * copyright notice, this list of conditions and the following disclaimer | |
| 12 * in the documentation and/or other materials provided with the | |
| 13 * distribution. | |
| 14 * * Neither the name of Google Inc. nor the names of its | |
| 15 * contributors may be used to endorse or promote products derived from | |
| 16 * this software without specific prior written permission. | |
| 17 * | |
| 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
| 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
| 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
| 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
| 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
| 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 29 */ | |
| 30 | |
| 31 #include "config.h" | |
| 32 #include "WebData.h" | |
| 33 | |
| 34 #include "SharedBuffer.h" | |
| 35 | |
| 36 using namespace WebCore; | |
| 37 | |
| 38 namespace WebKit { | |
| 39 | |
| 40 class WebDataPrivate : public SharedBuffer { | |
| 41 }; | |
| 42 | |
| 43 void WebData::reset() | |
| 44 { | |
| 45 if (m_private) { | |
| 46 m_private->deref(); | |
| 47 m_private = 0; | |
| 48 } | |
| 49 } | |
| 50 | |
| 51 void WebData::assign(const WebData& other) | |
| 52 { | |
| 53 WebDataPrivate* p = const_cast<WebDataPrivate*>(other.m_private); | |
| 54 if (p) | |
| 55 p->ref(); | |
| 56 assign(p); | |
| 57 } | |
| 58 | |
| 59 void WebData::assign(const char* data, size_t size) | |
| 60 { | |
| 61 assign(static_cast<WebDataPrivate*>( | |
| 62 SharedBuffer::create(data, size).releaseRef())); | |
| 63 } | |
| 64 | |
| 65 size_t WebData::size() const | |
| 66 { | |
| 67 if (!m_private) | |
| 68 return 0; | |
| 69 return const_cast<WebDataPrivate*>(m_private)->size(); | |
| 70 } | |
| 71 | |
| 72 const char* WebData::data() const | |
| 73 { | |
| 74 if (!m_private) | |
| 75 return 0; | |
| 76 return const_cast<WebDataPrivate*>(m_private)->data(); | |
| 77 } | |
| 78 | |
| 79 WebData::WebData(const PassRefPtr<SharedBuffer>& buffer) | |
| 80 : m_private(static_cast<WebDataPrivate*>(buffer.releaseRef())) | |
| 81 { | |
| 82 } | |
| 83 | |
| 84 WebData& WebData::operator=(const PassRefPtr<SharedBuffer>& buffer) | |
| 85 { | |
| 86 assign(static_cast<WebDataPrivate*>(buffer.releaseRef())); | |
| 87 return *this; | |
| 88 } | |
| 89 | |
| 90 WebData::operator PassRefPtr<SharedBuffer>() const | |
| 91 { | |
| 92 return PassRefPtr<SharedBuffer>(const_cast<WebDataPrivate*>(m_private)); | |
| 93 } | |
| 94 | |
| 95 void WebData::assign(WebDataPrivate* p) | |
| 96 { | |
| 97 // p is already ref'd for us by the caller | |
| 98 if (m_private) | |
| 99 m_private->deref(); | |
| 100 m_private = p; | |
| 101 } | |
| 102 | |
| 103 } // namespace WebKit | |
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