/src/alembic/lib/Alembic/Ogawa/IArchive.cpp
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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 <Alembic/Ogawa/IArchive.h> |
37 | | |
38 | | namespace Alembic { |
39 | | namespace Ogawa { |
40 | | namespace ALEMBIC_VERSION_NS { |
41 | | |
42 | | IArchive::IArchive(const std::string & iFileName, |
43 | | std::size_t iNumStreams, |
44 | | bool iUseMMap) : |
45 | | mStreams(new IStreams(iFileName, iNumStreams, iUseMMap)) |
46 | 277 | { |
47 | 277 | init(); |
48 | 277 | } |
49 | | |
50 | | IArchive::IArchive(const std::vector< std::istream * > & iStreams) : |
51 | | mStreams(new IStreams(iStreams)) |
52 | 0 | { |
53 | 0 | init(); |
54 | 0 | } |
55 | | |
56 | | void IArchive::init() |
57 | 277 | { |
58 | 277 | if (mStreams->isValid()) |
59 | 272 | { |
60 | 272 | Alembic::Util::uint64_t pos = 0; |
61 | 272 | mStreams->read(0, 8, 8, &pos); |
62 | 272 | mGroup.reset(new IGroup(mStreams, pos, false, 0)); |
63 | 272 | } |
64 | 277 | } |
65 | | |
66 | | IArchive::~IArchive() |
67 | 276 | { |
68 | 276 | } |
69 | | |
70 | | bool IArchive::isValid() const |
71 | 276 | { |
72 | 276 | return mStreams->isValid(); |
73 | 276 | } |
74 | | |
75 | | bool IArchive::isFrozen() const |
76 | 271 | { |
77 | 271 | return mStreams->isFrozen(); |
78 | 271 | } |
79 | | |
80 | | Alembic::Util::uint16_t IArchive::getVersion() const |
81 | 0 | { |
82 | 0 | return mStreams->getVersion(); |
83 | 0 | } |
84 | | |
85 | | IGroupPtr IArchive::getGroup() const |
86 | 271 | { |
87 | 271 | return mGroup; |
88 | 271 | } |
89 | | |
90 | | } // End namespace ALEMBIC_VERSION_NS |
91 | | } // End namespace Ogawa |
92 | | } // End namespace Alembic |