/src/libreoffice/vcl/source/pdf/ExternalPDFStreams.cxx
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1 | | /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ |
2 | | /* |
3 | | * This file is part of the LibreOffice project. |
4 | | * |
5 | | * This Source Code Form is subject to the terms of the Mozilla Public |
6 | | * License, v. 2.0. If a copy of the MPL was not distributed with this |
7 | | * file, You can obtain one at http://mozilla.org/MPL/2.0/. |
8 | | * |
9 | | */ |
10 | | |
11 | | #include <pdf/ExternalPDFStreams.hxx> |
12 | | #include <comphelper/hash.hxx> |
13 | | |
14 | | namespace vcl |
15 | | { |
16 | | sal_Int32 ExternalPDFStreams::store(BinaryDataContainer const& rDataContainer) |
17 | 0 | { |
18 | 0 | sal_Int32 nIndex = -1; |
19 | |
|
20 | 0 | std::vector<sal_uInt8> aHash = comphelper::Hash::calculateHash( |
21 | 0 | rDataContainer.getData(), rDataContainer.getSize(), comphelper::HashType::SHA1); |
22 | |
|
23 | 0 | auto it = maStreamIndexMap.find(aHash); |
24 | 0 | if (it == maStreamIndexMap.end()) |
25 | 0 | { |
26 | 0 | auto& rExternalStream = maStreamList.emplace_back(); |
27 | 0 | rExternalStream.maDataContainer = rDataContainer; |
28 | 0 | nIndex = maStreamList.size() - 1; |
29 | 0 | maStreamIndexMap.emplace(aHash, nIndex); |
30 | 0 | } |
31 | 0 | else |
32 | 0 | { |
33 | 0 | nIndex = it->second; |
34 | 0 | } |
35 | |
|
36 | 0 | return nIndex; |
37 | 0 | } |
38 | | |
39 | 0 | ExternalPDFStream& ExternalPDFStreams::get(sal_uInt32 nIndex) { return maStreamList.at(nIndex); } |
40 | | } |
41 | | |
42 | | /* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |