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annotate Resources/GenerateTransferSyntaxes.py @ 3727:090022f1b5e1

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auto-generation of primitives to handle transfer syntaxes
author Sebastien Jodogne <s.jodogne@gmail.com>
date Fri, 06 Mar 2020 17:10:03 +0100
parents
children ae31ba2b09a6
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3727
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1 #!/usr/bin/python
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2
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3 # Orthanc - A Lightweight, RESTful DICOM Store
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4 # Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
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5 # Department, University Hospital of Liege, Belgium
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6 # Copyright (C) 2017-2020 Osimis S.A., Belgium
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7 #
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8 # This program is free software: you can redistribute it and/or
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9 # modify it under the terms of the GNU General Public License as
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10 # published by the Free Software Foundation, either version 3 of the
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11 # License, or (at your option) any later version.
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12 #
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13 # In addition, as a special exception, the copyright holders of this
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14 # program give permission to link the code of its release with the
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15 # OpenSSL project's "OpenSSL" library (or with modified versions of it
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16 # that use the same license as the "OpenSSL" library), and distribute
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17 # the linked executables. You must obey the GNU General Public License
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18 # in all respects for all of the code used other than "OpenSSL". If you
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19 # modify file(s) with this exception, you may extend this exception to
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20 # your version of the file(s), but you are not obligated to do so. If
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21 # you do not wish to do so, delete this exception statement from your
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22 # version. If you delete this exception statement from all source files
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23 # in the program, then also delete it here.
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24 #
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25 # This program is distributed in the hope that it will be useful, but
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26 # WITHOUT ANY WARRANTY; without even the implied warranty of
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27 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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28 # General Public License for more details.
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29 #
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30 # You should have received a copy of the GNU General Public License
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31 # along with this program. If not, see <http://www.gnu.org/licenses/>.
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32
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33
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34 import json
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35 import os
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36 import re
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37 import sys
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38
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39 BASE = os.path.abspath(os.path.join(os.path.dirname(__file__), '..'))
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40
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41
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42
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43 ## https://www.dicomlibrary.com/dicom/transfer-syntax/
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44 ## https://cedocs.intersystems.com/latest/csp/docbook/DocBook.UI.Page.cls?KEY=EDICOM_transfer_syntax
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45
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46
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47 with open(os.path.join(BASE, 'Resources', 'DicomTransferSyntaxes.json'), 'r') as f:
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48 SYNTAXES = json.loads(f.read())
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49
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50
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51
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52 ##
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53 ## Generate the "DicomTransferSyntax" enumeration in "Enumerations.h"
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54 ##
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55
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56 path = os.path.join(BASE, 'Core', 'Enumerations.h')
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57 with open(path, 'r') as f:
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58 a = f.read()
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59
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60 s = ',\n'.join(map(lambda x: ' DicomTransferSyntax_%s /*!< %s */' % (x['Value'], x['Name']), SYNTAXES))
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61
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62 a = re.sub('(enum DicomTransferSyntax\s*{)[^}]*?(\s*};)', r'\1\n%s\2' % s, a, re.DOTALL)
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63
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64 with open(path, 'w') as f:
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65 f.write(a)
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66
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67
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68
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69 ##
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70 ## Generate the "GetTransferSyntaxUid()" function in
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71 ## "Enumerations.cpp"
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72 ##
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73
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74 path = os.path.join(BASE, 'Core', 'Enumerations.cpp')
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75 with open(path, 'r') as f:
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76 a = f.read()
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77
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78 s = '\n\n'.join(map(lambda x: ' case DicomTransferSyntax_%s:\n return "%s";' % (x['Value'], x['UID']), SYNTAXES))
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79 a = re.sub('(GetTransferSyntaxUid\(DicomTransferSyntax.*?\)\s*{\s*switch \([^)]*?\)\s*{)[^}]*?(\s*default:)',
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80 r'\1\n%s\2' % s, a, re.DOTALL)
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81
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82 with open(path, 'w') as f:
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83 f.write(a)
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84
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85
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86 ##
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87 ## Generate the "GetDcmtkTransferSyntax()" function in
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88 ## "FromDcmtkBridge.cpp"
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89 ##
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90
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91 path = os.path.join(BASE, 'Core', 'DicomParsing', 'FromDcmtkBridge.cpp')
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92 with open(path, 'r') as f:
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93 a = f.read()
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94
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95 def Format(x):
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96 t = ' case DicomTransferSyntax_%s:\n target = %s;\n return true;' % (x['Value'], x['DCMTK'])
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97 if 'SinceDCMTK' in x:
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98 return '#if DCMTK_VERSION_NUMBER >= %s\n%s\n#endif' % (x['SinceDCMTK'], t)
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99 else:
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100 return t
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101
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102 s = '\n\n'.join(map(Format, filter(lambda x: 'DCMTK' in x, SYNTAXES)))
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103 a = re.sub('(GetDcmtkTransferSyntax\(E_TransferSyntax.*?\s*DicomTransferSyntax.*?\)\s*{\s*switch \([^)]*?\)\s*{)[^}]*?(\s*default:)',
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104 r'\1\n%s\2' % s, a, re.DOTALL)
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105
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106 with open(path, 'w') as f:
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107 f.write(a)