Field3D
IArchive.cpp
Go to the documentation of this file.
1 //-*****************************************************************************
2 //
3 // Copyright (c) 2013,
4 // Sony Pictures Imageworks Inc. and
5 // Industrial Light & Magic, a division of Lucasfilm Entertainment Company Ltd.
6 //
7 // All rights reserved.
8 //
9 // Redistribution and use in source and binary forms, with or without
10 // modification, are permitted provided that the following conditions are
11 // met:
12 // * Redistributions of source code must retain the above copyright
13 // notice, this list of conditions and the following disclaimer.
14 // * Redistributions in binary form must reproduce the above
15 // copyright notice, this list of conditions and the following disclaimer
16 // in the documentation and/or other materials provided with the
17 // distribution.
18 // * Neither the name of Industrial Light & Magic nor the names of
19 // its contributors may be used to endorse or promote products derived
20 // from this software without specific prior written permission.
21 //
22 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
23 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
24 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
25 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
26 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
27 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
28 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
29 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
30 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
31 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
32 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33 //
34 //-*****************************************************************************
35 
36 #include "IArchive.h"
37 
38 namespace Alembic {
39 namespace Ogawa {
40 namespace ALEMBIC_VERSION_NS {
41 
42 IArchive::IArchive(const std::string & iFileName, std::size_t iNumStreams) :
43  mStreams(new IStreams(iFileName, iNumStreams))
44 {
45  init();
46 }
47 
48 IArchive::IArchive(const std::vector< std::istream * > & iStreams) :
49  mStreams(new IStreams(iStreams))
50 {
51  init();
52 }
53 
54 void IArchive::init()
55 {
56  if (mStreams->isValid())
57  {
58  Alembic::Util::uint64_t pos = 0;
59  mStreams->read(0, 8, 8, &pos);
60  mGroup.reset(new IGroup(mStreams, pos, false, 0));
61  }
62 }
63 
64 IArchive::~IArchive()
65 {
66 }
67 
68 bool IArchive::isValid() const
69 {
70  return mStreams->isValid();
71 }
72 
73 bool IArchive::isFrozen() const
74 {
75  return mStreams->isFrozen();
76 }
77 
78 Alembic::Util::uint16_t IArchive::getVersion() const
79 {
80  return mStreams->getVersion();
81 }
82 
83 IGroupPtr IArchive::getGroup() const
84 {
85  return mGroup;
86 }
87 
88 } // End namespace ALEMBIC_VERSION_NS
89 } // End namespace Ogawa
90 } // End namespace Alembic
Alembic
Definition: OgawaFwd.h:77