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annotate Resources/Samples/Tools/RecoverCompressedFile.cpp @ 680:571583642ce2

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Tool to recover compressed files
author Sebastien Jodogne <s.jodogne@gmail.com>
date Wed, 29 Jan 2014 16:20:05 +0100
parents
children 44382c8bcd15
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rev   line source
680
571583642ce2 Tool to recover compressed files
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1 #include "../../../Core/Compression/ZlibCompressor.h"
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2 #include "../../../Core/Toolbox.h"
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3 #include "../../../Core/OrthancException.h"
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4
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5 #include <stdio.h>
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6
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7 int main(int argc, const char* argv[])
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8 {
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9 if (argc != 2 && argc != 3)
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10 {
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11 fprintf(stderr, "Maintenance tool to recover a DICOM file that was compressed by Orthanc.\n\n");
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12 fprintf(stderr, "Usage: %s <input> [output]\n", argv[0]);
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13 fprintf(stderr, "If \"output\" is not given, the data will be output to stdout\n");
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14 return -1;
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15 }
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16
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17 try
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18 {
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19 fprintf(stderr, "Reading the file into memory...\n");
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20 fflush(stderr);
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21
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22 std::string content;
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23 Orthanc::Toolbox::ReadFile(content, argv[1]);
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24
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25 fprintf(stderr, "Decompressing the content of the file...\n");
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26 fflush(stderr);
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27
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28 Orthanc::ZlibCompressor compressor;
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29 std::string uncompressed;
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30 compressor.Uncompress(uncompressed, content);
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31
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32 fprintf(stderr, "Writing the uncompressed data...\n");
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33 fflush(stderr);
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34
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35 if (argc == 3)
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36 {
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37 Orthanc::Toolbox::WriteFile(uncompressed, argv[2]);
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38 }
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39 else
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40 {
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41 if (uncompressed.size() > 0)
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42 {
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43 fwrite(&uncompressed[0], uncompressed.size(), 1, stdout);
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44 }
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45 }
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46
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47 fprintf(stderr, "Done!\n");
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48 }
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49 catch (Orthanc::OrthancException& e)
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50 {
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51 fprintf(stderr, "Error: %s\n", e.What());
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52 return -1;
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53 }
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54
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55 return 0;
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56 }