Mercurial > hg > orthanc
annotate Core/Compression/DeflateBaseCompressor.cpp @ 1747:ca69082ab200 db-changes
reorganization
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Mon, 26 Oct 2015 16:58:11 +0100 |
| parents | bd1889029cbb |
| children | b1291df2f780 |
| rev | line source |
|---|---|
| 1512 | 1 /** |
| 2 * Orthanc - A Lightweight, RESTful DICOM Store | |
| 3 * Copyright (C) 2012-2015 Sebastien Jodogne, Medical Physics | |
| 4 * Department, University Hospital of Liege, Belgium | |
| 5 * | |
| 6 * This program is free software: you can redistribute it and/or | |
| 7 * modify it under the terms of the GNU General Public License as | |
| 8 * published by the Free Software Foundation, either version 3 of the | |
| 9 * License, or (at your option) any later version. | |
| 10 * | |
| 11 * In addition, as a special exception, the copyright holders of this | |
| 12 * program give permission to link the code of its release with the | |
| 13 * OpenSSL project's "OpenSSL" library (or with modified versions of it | |
| 14 * that use the same license as the "OpenSSL" library), and distribute | |
| 15 * the linked executables. You must obey the GNU General Public License | |
| 16 * in all respects for all of the code used other than "OpenSSL". If you | |
| 17 * modify file(s) with this exception, you may extend this exception to | |
| 18 * your version of the file(s), but you are not obligated to do so. If | |
| 19 * you do not wish to do so, delete this exception statement from your | |
| 20 * version. If you delete this exception statement from all source files | |
| 21 * in the program, then also delete it here. | |
| 22 * | |
| 23 * This program is distributed in the hope that it will be useful, but | |
| 24 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 26 * General Public License for more details. | |
| 27 * | |
| 28 * You should have received a copy of the GNU General Public License | |
| 29 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 30 **/ | |
| 31 | |
| 32 | |
| 33 #include "../PrecompiledHeaders.h" | |
| 34 #include "DeflateBaseCompressor.h" | |
| 35 | |
| 36 #include "../OrthancException.h" | |
|
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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37 #include "../Logging.h" |
| 1512 | 38 |
| 1513 | 39 #include <string.h> |
| 40 | |
| 1512 | 41 namespace Orthanc |
| 42 { | |
| 43 void DeflateBaseCompressor::SetCompressionLevel(uint8_t level) | |
| 44 { | |
| 45 if (level >= 10) | |
| 46 { | |
|
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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47 LOG(ERROR) << "Zlib compression level must be between 0 (no compression) and 9 (highest compression)"; |
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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48 throw OrthancException(ErrorCode_ParameterOutOfRange); |
| 1512 | 49 } |
| 50 | |
| 51 compressionLevel_ = level; | |
| 52 } | |
| 1513 | 53 |
| 54 | |
| 55 uint64_t DeflateBaseCompressor::ReadUncompressedSizePrefix(const void* compressed, | |
| 56 size_t compressedSize) | |
| 57 { | |
| 58 if (compressedSize == 0) | |
| 59 { | |
| 60 return 0; | |
| 61 } | |
| 62 | |
| 63 if (compressedSize < sizeof(uint64_t)) | |
| 64 { | |
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encoding of exceptions
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1513
diff
changeset
|
65 LOG(ERROR) << "The compressed buffer is ill-formed"; |
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bd1889029cbb
encoding of exceptions
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1513
diff
changeset
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66 throw OrthancException(ErrorCode_CorruptedFile); |
| 1513 | 67 } |
| 68 | |
| 69 uint64_t size; | |
| 70 memcpy(&size, compressed, sizeof(uint64_t)); | |
| 71 | |
| 72 return size; | |
| 73 } | |
| 74 | |
| 1512 | 75 } |