Mercurial > hg > orthanc
annotate Resources/EmbedResources.py @ 3501:27b53c61aa99
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author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Sat, 24 Aug 2019 15:40:36 +0200 |
parents | e60e194531e5 |
children | 76b3228f99b0 |
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1 #!/usr/bin/python |
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2 |
143 | 3 # Orthanc - A Lightweight, RESTful DICOM Store |
1900 | 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) 2017-2019 Osimis S.A., Belgium |
143 | 7 # |
8 # This program is free software: you can redistribute it and/or | |
9 # modify it under the terms of the GNU General Public License as | |
10 # published by the Free Software Foundation, either version 3 of the | |
11 # License, or (at your option) any later version. | |
12 # | |
13 # In addition, as a special exception, the copyright holders of this | |
14 # program give permission to link the code of its release with the | |
15 # OpenSSL project's "OpenSSL" library (or with modified versions of it | |
16 # that use the same license as the "OpenSSL" library), and distribute | |
17 # the linked executables. You must obey the GNU General Public License | |
18 # in all respects for all of the code used other than "OpenSSL". If you | |
19 # modify file(s) with this exception, you may extend this exception to | |
20 # your version of the file(s), but you are not obligated to do so. If | |
21 # you do not wish to do so, delete this exception statement from your | |
22 # version. If you delete this exception statement from all source files | |
23 # in the program, then also delete it here. | |
24 # | |
25 # This program is distributed in the hope that it will be useful, but | |
26 # WITHOUT ANY WARRANTY; without even the implied warranty of | |
27 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
28 # General Public License for more details. | |
29 # | |
30 # You should have received a copy of the GNU General Public License | |
31 # along with this program. If not, see <http://www.gnu.org/licenses/>. | |
32 | |
33 | |
0 | 34 import sys |
35 import os | |
36 import os.path | |
37 import pprint | |
129 | 38 import re |
0 | 39 |
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40 UPCASE_CHECK = True |
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41 USE_SYSTEM_EXCEPTION = False |
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42 EXCEPTION_CLASS = 'OrthancException' |
2690 | 43 OUT_OF_RANGE_EXCEPTION = '::Orthanc::OrthancException(::Orthanc::ErrorCode_ParameterOutOfRange)' |
44 INEXISTENT_PATH_EXCEPTION = '::Orthanc::OrthancException(::Orthanc::ErrorCode_InexistentItem)' | |
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45 NAMESPACE = 'Orthanc' |
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46 |
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47 ARGS = [] |
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48 for i in range(len(sys.argv)): |
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49 if not sys.argv[i].startswith('--'): |
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50 ARGS.append(sys.argv[i]) |
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51 elif sys.argv[i].lower() == '--no-upcase-check': |
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52 UPCASE_CHECK = False |
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53 elif sys.argv[i].lower() == '--system-exception': |
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54 USE_SYSTEM_EXCEPTION = True |
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55 EXCEPTION_CLASS = '::std::runtime_error' |
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56 OUT_OF_RANGE_EXCEPTION = '%s("Parameter out of range")' % EXCEPTION_CLASS |
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57 INEXISTENT_PATH_EXCEPTION = '%s("Unknown path in a directory resource")' % EXCEPTION_CLASS |
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58 elif sys.argv[i].startswith('--namespace='): |
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59 NAMESPACE = sys.argv[i][sys.argv[i].find('=') + 1 : ] |
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60 |
326 | 61 if len(ARGS) < 2 or len(ARGS) % 2 != 0: |
62 print ('Usage:') | |
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63 print ('python %s [--no-upcase-check] [--system-exception] [--namespace=<Namespace>] <TargetBaseFilename> [ <Name> <Source> ]*' % sys.argv[0]) |
326 | 64 exit(-1) |
65 | |
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66 TARGET_BASE_FILENAME = ARGS[1] |
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67 SOURCES = ARGS[2:] |
0 | 68 |
69 try: | |
70 # Make sure the destination directory exists | |
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71 os.makedirs(os.path.normpath(os.path.join(TARGET_BASE_FILENAME, '..'))) |
0 | 72 except: |
73 pass | |
74 | |
75 | |
76 ##################################################################### | |
77 ## Read each resource file | |
78 ##################################################################### | |
79 | |
129 | 80 def CheckNoUpcase(s): |
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81 global UPCASE_CHECK |
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82 if (UPCASE_CHECK and |
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83 re.search('[A-Z]', s) != None): |
129 | 84 raise Exception("Path in a directory with an upcase letter: %s" % s) |
85 | |
0 | 86 resources = {} |
87 | |
88 counter = 0 | |
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89 i = 0 |
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90 while i < len(SOURCES): |
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91 resourceName = SOURCES[i].upper() |
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92 pathName = SOURCES[i + 1] |
0 | 93 |
94 if not os.path.exists(pathName): | |
95 raise Exception("Non existing path: %s" % pathName) | |
96 | |
97 if resourceName in resources: | |
98 raise Exception("Twice the same resource: " + resourceName) | |
99 | |
100 if os.path.isdir(pathName): | |
101 # The resource is a directory: Recursively explore its files | |
102 content = {} | |
103 for root, dirs, files in os.walk(pathName): | |
104 base = os.path.relpath(root, pathName) | |
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105 |
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106 # Fix issue #24 (Build fails on OSX when directory has .DS_Store files): |
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107 # Ignore folders whose name starts with a dot (".") |
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108 if base.find('/.') != -1: |
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109 print('Ignoring folder: %s' % root) |
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110 continue |
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111 |
0 | 112 for f in files: |
113 if f.find('~') == -1: # Ignore Emacs backup files | |
114 if base == '.': | |
129 | 115 r = f |
0 | 116 else: |
129 | 117 r = os.path.join(base, f) |
0 | 118 |
129 | 119 CheckNoUpcase(r) |
20 | 120 r = '/' + r.replace('\\', '/') |
0 | 121 if r in content: |
122 raise Exception("Twice the same filename (check case): " + r) | |
123 | |
124 content[r] = { | |
125 'Filename' : os.path.join(root, f), | |
126 'Index' : counter | |
127 } | |
128 counter += 1 | |
129 | |
130 resources[resourceName] = { | |
131 'Type' : 'Directory', | |
132 'Files' : content | |
133 } | |
134 | |
135 elif os.path.isfile(pathName): | |
136 resources[resourceName] = { | |
137 'Type' : 'File', | |
138 'Index' : counter, | |
139 'Filename' : pathName | |
140 } | |
141 counter += 1 | |
142 | |
143 else: | |
144 raise Exception("Not a regular file, nor a directory: " + pathName) | |
145 | |
146 i += 2 | |
147 | |
148 #pprint.pprint(resources) | |
149 | |
150 | |
151 ##################################################################### | |
152 ## Write .h header | |
153 ##################################################################### | |
154 | |
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155 header = open(TARGET_BASE_FILENAME + '.h', 'w') |
0 | 156 |
157 header.write(""" | |
158 #pragma once | |
159 | |
160 #include <string> | |
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161 #include <list> |
0 | 162 |
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163 #if defined(_MSC_VER) |
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164 # pragma warning(disable: 4065) // "Switch statement contains 'default' but no 'case' labels" |
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165 #endif |
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166 |
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167 namespace %s |
0 | 168 { |
169 namespace EmbeddedResources | |
170 { | |
171 enum FileResourceId | |
172 { | |
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173 """ % NAMESPACE) |
0 | 174 |
175 isFirst = True | |
176 for name in resources: | |
177 if resources[name]['Type'] == 'File': | |
178 if isFirst: | |
179 isFirst = False | |
180 else: | |
181 header.write(',\n') | |
182 header.write(' %s' % name) | |
183 | |
184 header.write(""" | |
185 }; | |
186 | |
187 enum DirectoryResourceId | |
188 { | |
189 """) | |
190 | |
191 isFirst = True | |
192 for name in resources: | |
193 if resources[name]['Type'] == 'Directory': | |
194 if isFirst: | |
195 isFirst = False | |
196 else: | |
197 header.write(',\n') | |
198 header.write(' %s' % name) | |
199 | |
200 header.write(""" | |
201 }; | |
202 | |
203 const void* GetFileResourceBuffer(FileResourceId id); | |
204 size_t GetFileResourceSize(FileResourceId id); | |
205 void GetFileResource(std::string& result, FileResourceId id); | |
206 | |
207 const void* GetDirectoryResourceBuffer(DirectoryResourceId id, const char* path); | |
208 size_t GetDirectoryResourceSize(DirectoryResourceId id, const char* path); | |
209 void GetDirectoryResource(std::string& result, DirectoryResourceId id, const char* path); | |
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210 |
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211 void ListResources(std::list<std::string>& result, DirectoryResourceId id); |
0 | 212 } |
213 } | |
214 """) | |
215 header.close() | |
216 | |
217 | |
218 | |
219 ##################################################################### | |
220 ## Write the resource content in the .cpp source | |
221 ##################################################################### | |
222 | |
55 | 223 PYTHON_MAJOR_VERSION = sys.version_info[0] |
224 | |
0 | 225 def WriteResource(cpp, item): |
226 cpp.write(' static const uint8_t resource%dBuffer[] = {' % item['Index']) | |
227 | |
228 f = open(item['Filename'], "rb") | |
229 content = f.read() | |
230 f.close() | |
231 | |
232 # http://stackoverflow.com/a/1035360 | |
233 pos = 0 | |
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234 buffer = [] # instead of appending a few bytes at a time to the cpp file, |
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235 # we first append each chunk to a list, join it and write it |
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236 # to the file. We've measured that it was 2-3 times faster in python3. |
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237 # Note that speed is important since if generation is too slow, |
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238 # cmake might try to compile the EmbeddedResources.cpp file while it is |
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239 # still being generated ! |
0 | 240 for b in content: |
55 | 241 if PYTHON_MAJOR_VERSION == 2: |
242 c = ord(b[0]) | |
243 else: | |
244 c = b | |
245 | |
0 | 246 if pos > 0: |
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247 buffer.append(",") |
0 | 248 |
249 if (pos % 16) == 0: | |
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250 buffer.append("\n") |
0 | 251 |
55 | 252 if c < 0: |
0 | 253 raise Exception("Internal error") |
254 | |
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255 buffer.append("0x%02x" % c) |
0 | 256 pos += 1 |
257 | |
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258 cpp.write("".join(buffer)) |
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259 # Zero-size array are disallowed, so we put one single void character in it. |
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260 if pos == 0: |
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261 cpp.write(' 0') |
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262 |
0 | 263 cpp.write(' };\n') |
264 cpp.write(' static const size_t resource%dSize = %d;\n' % (item['Index'], pos)) | |
265 | |
266 | |
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267 cpp = open(TARGET_BASE_FILENAME + '.cpp', 'w') |
0 | 268 |
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269 cpp.write('#include "%s.h"\n' % os.path.basename(TARGET_BASE_FILENAME)) |
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270 |
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271 if USE_SYSTEM_EXCEPTION: |
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272 cpp.write('#include <stdexcept>') |
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273 else: |
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274 cpp.write('#include "%s/Core/OrthancException.h"' % os.path.abspath(os.path.join(os.path.dirname(__file__), '..'))) |
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275 |
0 | 276 cpp.write(""" |
277 #include <stdint.h> | |
278 #include <string.h> | |
279 | |
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280 namespace %s |
0 | 281 { |
282 namespace EmbeddedResources | |
283 { | |
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284 """ % NAMESPACE) |
0 | 285 |
286 | |
287 for name in resources: | |
288 if resources[name]['Type'] == 'File': | |
289 WriteResource(cpp, resources[name]) | |
290 else: | |
291 for f in resources[name]['Files']: | |
292 WriteResource(cpp, resources[name]['Files'][f]) | |
293 | |
294 | |
295 | |
296 ##################################################################### | |
297 ## Write the accessors to the file resources in .cpp | |
298 ##################################################################### | |
299 | |
300 cpp.write(""" | |
301 const void* GetFileResourceBuffer(FileResourceId id) | |
302 { | |
303 switch (id) | |
304 { | |
305 """) | |
306 for name in resources: | |
307 if resources[name]['Type'] == 'File': | |
308 cpp.write(' case %s:\n' % name) | |
309 cpp.write(' return resource%dBuffer;\n' % resources[name]['Index']) | |
310 | |
311 cpp.write(""" | |
312 default: | |
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313 throw %s; |
0 | 314 } |
315 } | |
316 | |
317 size_t GetFileResourceSize(FileResourceId id) | |
318 { | |
319 switch (id) | |
320 { | |
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321 """ % OUT_OF_RANGE_EXCEPTION) |
0 | 322 |
323 for name in resources: | |
324 if resources[name]['Type'] == 'File': | |
325 cpp.write(' case %s:\n' % name) | |
326 cpp.write(' return resource%dSize;\n' % resources[name]['Index']) | |
327 | |
328 cpp.write(""" | |
329 default: | |
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330 throw %s; |
0 | 331 } |
332 } | |
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333 """ % OUT_OF_RANGE_EXCEPTION) |
0 | 334 |
335 | |
336 | |
337 ##################################################################### | |
338 ## Write the accessors to the directory resources in .cpp | |
339 ##################################################################### | |
340 | |
341 cpp.write(""" | |
342 const void* GetDirectoryResourceBuffer(DirectoryResourceId id, const char* path) | |
343 { | |
344 switch (id) | |
345 { | |
346 """) | |
347 | |
348 for name in resources: | |
349 if resources[name]['Type'] == 'Directory': | |
350 cpp.write(' case %s:\n' % name) | |
351 isFirst = True | |
352 for path in resources[name]['Files']: | |
353 cpp.write(' if (!strcmp(path, "%s"))\n' % path) | |
354 cpp.write(' return resource%dBuffer;\n' % resources[name]['Files'][path]['Index']) | |
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355 cpp.write(' throw %s;\n\n' % INEXISTENT_PATH_EXCEPTION) |
0 | 356 |
357 cpp.write(""" default: | |
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358 throw %s; |
0 | 359 } |
360 } | |
361 | |
362 size_t GetDirectoryResourceSize(DirectoryResourceId id, const char* path) | |
363 { | |
364 switch (id) | |
365 { | |
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366 """ % OUT_OF_RANGE_EXCEPTION) |
0 | 367 |
368 for name in resources: | |
369 if resources[name]['Type'] == 'Directory': | |
370 cpp.write(' case %s:\n' % name) | |
371 isFirst = True | |
372 for path in resources[name]['Files']: | |
373 cpp.write(' if (!strcmp(path, "%s"))\n' % path) | |
374 cpp.write(' return resource%dSize;\n' % resources[name]['Files'][path]['Index']) | |
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375 cpp.write(' throw %s;\n\n' % INEXISTENT_PATH_EXCEPTION) |
0 | 376 |
377 cpp.write(""" default: | |
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378 throw %s; |
0 | 379 } |
380 } | |
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381 """ % OUT_OF_RANGE_EXCEPTION) |
0 | 382 |
383 | |
384 | |
385 | |
386 ##################################################################### | |
323
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387 ## List the resources in a directory |
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388 ##################################################################### |
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389 |
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390 cpp.write(""" |
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391 void ListResources(std::list<std::string>& result, DirectoryResourceId id) |
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392 { |
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393 result.clear(); |
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394 |
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395 switch (id) |
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396 { |
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397 """) |
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398 |
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399 for name in resources: |
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400 if resources[name]['Type'] == 'Directory': |
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401 cpp.write(' case %s:\n' % name) |
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402 for path in sorted(resources[name]['Files']): |
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403 cpp.write(' result.push_back("%s");\n' % path) |
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404 cpp.write(' break;\n\n') |
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405 |
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406 cpp.write(""" default: |
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407 throw %s; |
323
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408 } |
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409 } |
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410 """ % OUT_OF_RANGE_EXCEPTION) |
323
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411 |
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412 |
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413 |
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414 |
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415 ##################################################################### |
0 | 416 ## Write the convenience wrappers in .cpp |
417 ##################################################################### | |
418 | |
419 cpp.write(""" | |
420 void GetFileResource(std::string& result, FileResourceId id) | |
421 { | |
422 size_t size = GetFileResourceSize(id); | |
423 result.resize(size); | |
424 if (size > 0) | |
425 memcpy(&result[0], GetFileResourceBuffer(id), size); | |
426 } | |
427 | |
428 void GetDirectoryResource(std::string& result, DirectoryResourceId id, const char* path) | |
429 { | |
430 size_t size = GetDirectoryResourceSize(id, path); | |
431 result.resize(size); | |
432 if (size > 0) | |
433 memcpy(&result[0], GetDirectoryResourceBuffer(id, path), size); | |
434 } | |
435 } | |
436 } | |
437 """) | |
438 cpp.close() |