third_party/WebKit/Source/platform/exported/WebData.cpp

   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 "public/platform/WebData.h"
  33
  34 #include "platform/SharedBuffer.h"
  35
  36 namespace blink {
  37
  38 void WebData::reset()
  39 {
  40     m_private.reset();
  41 }
  42
  43 void WebData::assign(const WebData& other)
  44 {
  45     m_private = other.m_private;
  46 }
  47
  48 void WebData::assign(const char* data, size_t size)
  49 {
  50     m_private = SharedBuffer::create(data, size);
  51 }
  52
  53 size_t WebData::size() const
  54 {
  55     if (m_private.isNull())
  56         return 0;
  57     return m_private->size();
  58 }
  59
  60 const char* WebData::data() const
  61 {
  62     if (m_private.isNull())
  63         return 0;
  64     return m_private->data();
  65 }
  66
  67 WebData::WebData(const PassRefPtr<SharedBuffer>& buffer)
  68     : m_private(buffer)
  69 {
  70 }
  71
  72 WebData& WebData::operator=(const PassRefPtr<SharedBuffer>& buffer)
  73 {
  74     m_private = buffer;
  75     return *this;
  76 }
  77
  78 WebData::operator PassRefPtr<SharedBuffer>() const
  79 {
  80     return PassRefPtr<SharedBuffer>(m_private.get());
  81 }
  82
  83 } // namespace blink