126 lines
3.6 KiB
C++
126 lines
3.6 KiB
C++
///////////////////////////////////////////////////////////////////////////
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//
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// Copyright (c) 2004, Industrial Light & Magic, a division of Lucas
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// Digital Ltd. LLC
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//
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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// * Neither the name of Industrial Light & Magic nor the names of
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// its contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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///////////////////////////////////////////////////////////////////////////
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//-----------------------------------------------------------------------------
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//
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// class OpaqueAttribute
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//
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//-----------------------------------------------------------------------------
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#include <ImfOpaqueAttribute.h>
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#include "Iex.h"
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#include <string.h>
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namespace Imf {
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OpaqueAttribute::OpaqueAttribute (const char typeName[]):
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_typeName (strlen (typeName) + 1),
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_dataSize (0)
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{
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strcpy (_typeName, typeName);
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}
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OpaqueAttribute::OpaqueAttribute (const OpaqueAttribute &other):
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_typeName (strlen (other._typeName) + 1),
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_dataSize (other._dataSize),
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_data (other._dataSize)
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{
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strcpy (_typeName, other._typeName);
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_data.resizeErase (other._dataSize);
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memcpy ((char *) _data, (const char *) other._data, other._dataSize);
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}
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OpaqueAttribute::~OpaqueAttribute ()
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{
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// empty
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}
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const char *
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OpaqueAttribute::typeName () const
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{
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return _typeName;
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}
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Attribute *
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OpaqueAttribute::copy () const
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{
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return new OpaqueAttribute (*this);
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}
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void
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OpaqueAttribute::writeValueTo (OStream &os, int) const
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{
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Xdr::write <StreamIO> (os, _data, _dataSize);
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}
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void
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OpaqueAttribute::readValueFrom (IStream &is, int size, int)
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{
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_data.resizeErase (size);
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_dataSize = size;
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Xdr::read <StreamIO> (is, _data, size);
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}
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void
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OpaqueAttribute::copyValueFrom (const Attribute &other)
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{
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const OpaqueAttribute *oa = dynamic_cast <const OpaqueAttribute *> (&other);
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if (oa == 0 || strcmp (_typeName, oa->_typeName))
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{
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THROW (Iex::TypeExc, "Cannot copy the value of an "
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"image file attribute of type "
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"\"" << other.typeName() << "\" "
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"to an attribute of type "
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"\"" << _typeName << "\".");
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}
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_data.resizeErase (oa->_dataSize);
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_dataSize = oa->_dataSize;
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memcpy ((char *) _data, (const char *) oa->_data, oa->_dataSize);
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}
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} // namespace Imf
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