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comparison Resources/Orthanc/CMake/EmbedResources.py @ 70:786b202ef24e

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author Alain Mazy <am@osimis.io>
date Tue, 21 Feb 2023 09:23:47 +0100
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children 11530895e0b2
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69:af44dce56328 70:786b202ef24e
1 #!/usr/bin/python
2
3 # Orthanc - A Lightweight, RESTful DICOM Store
4 # Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
5 # Department, University Hospital of Liege, Belgium
6 # Copyright (C) 2017-2022 Osimis S.A., Belgium
7 # Copyright (C) 2021-2022 Sebastien Jodogne, ICTEAM UCLouvain, Belgium
8 #
9 # This program is free software: you can redistribute it and/or
10 # modify it under the terms of the GNU Lesser General Public License
11 # as published by the Free Software Foundation, either version 3 of
12 # the License, or (at your option) any later version.
13 #
14 # This program is distributed in the hope that it will be useful, but
15 # WITHOUT ANY WARRANTY; without even the implied warranty of
16 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 # Lesser General Public License for more details.
18 #
19 # You should have received a copy of the GNU Lesser General Public
20 # License along with this program. If not, see
21 # <http://www.gnu.org/licenses/>.
22
23
24 import sys
25 import os
26 import os.path
27 import pprint
28 import re
29
30 UPCASE_CHECK = True
31 USE_SYSTEM_EXCEPTION = False
32 EXCEPTION_CLASS = 'OrthancException'
33 OUT_OF_RANGE_EXCEPTION = '::Orthanc::OrthancException(::Orthanc::ErrorCode_ParameterOutOfRange)'
34 INEXISTENT_PATH_EXCEPTION = '::Orthanc::OrthancException(::Orthanc::ErrorCode_InexistentItem)'
35 NAMESPACE = 'Orthanc.EmbeddedResources'
36 FRAMEWORK_PATH = None
37
38 ARGS = []
39 for i in range(len(sys.argv)):
40 if not sys.argv[i].startswith('--'):
41 ARGS.append(sys.argv[i])
42 elif sys.argv[i].lower() == '--no-upcase-check':
43 UPCASE_CHECK = False
44 elif sys.argv[i].lower() == '--system-exception':
45 USE_SYSTEM_EXCEPTION = True
46 EXCEPTION_CLASS = '::std::runtime_error'
47 OUT_OF_RANGE_EXCEPTION = '%s("Parameter out of range")' % EXCEPTION_CLASS
48 INEXISTENT_PATH_EXCEPTION = '%s("Unknown path in a directory resource")' % EXCEPTION_CLASS
49 elif sys.argv[i].startswith('--namespace='):
50 NAMESPACE = sys.argv[i][sys.argv[i].find('=') + 1 : ]
51 elif sys.argv[i].startswith('--framework-path='):
52 FRAMEWORK_PATH = sys.argv[i][sys.argv[i].find('=') + 1 : ]
53
54 if len(ARGS) < 2 or len(ARGS) % 2 != 0:
55 print ('Usage:')
56 print ('python %s [--no-upcase-check] [--system-exception] [--namespace=<Namespace>] <TargetBaseFilename> [ <Name> <Source> ]*' % sys.argv[0])
57 exit(-1)
58
59 TARGET_BASE_FILENAME = ARGS[1]
60 SOURCES = ARGS[2:]
61
62 try:
63 # Make sure the destination directory exists
64 os.makedirs(os.path.normpath(os.path.join(TARGET_BASE_FILENAME, '..')))
65 except:
66 pass
67
68
69 #####################################################################
70 ## Read each resource file
71 #####################################################################
72
73 def CheckNoUpcase(s):
74 global UPCASE_CHECK
75 if (UPCASE_CHECK and
76 re.search('[A-Z]', s) != None):
77 raise Exception("Path in a directory with an upcase letter: %s" % s)
78
79 resources = {}
80
81 counter = 0
82 i = 0
83 while i < len(SOURCES):
84 resourceName = SOURCES[i].upper()
85 pathName = SOURCES[i + 1]
86
87 if not os.path.exists(pathName):
88 raise Exception("Non existing path: %s" % pathName)
89
90 if resourceName in resources:
91 raise Exception("Twice the same resource: " + resourceName)
92
93 if os.path.isdir(pathName):
94 # The resource is a directory: Recursively explore its files
95 content = {}
96 for root, dirs, files in os.walk(pathName):
97 dirs.sort()
98 files.sort()
99 base = os.path.relpath(root, pathName)
100
101 # Fix issue #24 (Build fails on OSX when directory has .DS_Store files):
102 # Ignore folders whose name starts with a dot (".")
103 if base.find('/.') != -1:
104 print('Ignoring folder: %s' % root)
105 continue
106
107 for f in files:
108 if f.find('~') == -1: # Ignore Emacs backup files
109 if base == '.':
110 r = f
111 else:
112 r = os.path.join(base, f)
113
114 CheckNoUpcase(r)
115 r = '/' + r.replace('\\', '/')
116 if r in content:
117 raise Exception("Twice the same filename (check case): " + r)
118
119 content[r] = {
120 'Filename' : os.path.join(root, f),
121 'Index' : counter
122 }
123 counter += 1
124
125 resources[resourceName] = {
126 'Type' : 'Directory',
127 'Files' : content
128 }
129
130 elif os.path.isfile(pathName):
131 resources[resourceName] = {
132 'Type' : 'File',
133 'Index' : counter,
134 'Filename' : pathName
135 }
136 counter += 1
137
138 else:
139 raise Exception("Not a regular file, nor a directory: " + pathName)
140
141 i += 2
142
143 #pprint.pprint(resources)
144
145
146 #####################################################################
147 ## Write .h header
148 #####################################################################
149
150 header = open(TARGET_BASE_FILENAME + '.h', 'w')
151
152 header.write("""
153 #pragma once
154
155 #include <string>
156 #include <list>
157
158 #if defined(_MSC_VER)
159 # pragma warning(disable: 4065) // "Switch statement contains 'default' but no 'case' labels"
160 #endif
161
162 """)
163
164
165 for ns in NAMESPACE.split('.'):
166 header.write('namespace %s {\n' % ns)
167
168
169 header.write("""
170 enum FileResourceId
171 {
172 """)
173
174 isFirst = True
175 for name in resources:
176 if resources[name]['Type'] == 'File':
177 if isFirst:
178 isFirst = False
179 else:
180 header.write(',\n')
181 header.write(' %s' % name)
182
183 header.write("""
184 };
185
186 enum DirectoryResourceId
187 {
188 """)
189
190 isFirst = True
191 for name in resources:
192 if resources[name]['Type'] == 'Directory':
193 if isFirst:
194 isFirst = False
195 else:
196 header.write(',\n')
197 header.write(' %s' % name)
198
199 header.write("""
200 };
201
202 const void* GetFileResourceBuffer(FileResourceId id);
203 size_t GetFileResourceSize(FileResourceId id);
204 void GetFileResource(std::string& result, FileResourceId id);
205
206 const void* GetDirectoryResourceBuffer(DirectoryResourceId id, const char* path);
207 size_t GetDirectoryResourceSize(DirectoryResourceId id, const char* path);
208 void GetDirectoryResource(std::string& result, DirectoryResourceId id, const char* path);
209
210 void ListResources(std::list<std::string>& result, DirectoryResourceId id);
211
212 """)
213
214
215 for ns in NAMESPACE.split('.'):
216 header.write('}\n')
217
218 header.close()
219
220
221
222 #####################################################################
223 ## Write the resource content in the .cpp source
224 #####################################################################
225
226 PYTHON_MAJOR_VERSION = sys.version_info[0]
227
228 def WriteResource(cpp, item):
229 cpp.write(' static const uint8_t resource%dBuffer[] = {' % item['Index'])
230
231 f = open(item['Filename'], "rb")
232 content = f.read()
233 f.close()
234
235 # http://stackoverflow.com/a/1035360
236 pos = 0
237 buffer = [] # instead of appending a few bytes at a time to the cpp file,
238 # we first append each chunk to a list, join it and write it
239 # to the file. We've measured that it was 2-3 times faster in python3.
240 # Note that speed is important since if generation is too slow,
241 # cmake might try to compile the EmbeddedResources.cpp file while it is
242 # still being generated !
243 for b in content:
244 if PYTHON_MAJOR_VERSION == 2:
245 c = ord(b[0])
246 else:
247 c = b
248
249 if pos > 0:
250 buffer.append(",")
251
252 if (pos % 16) == 0:
253 buffer.append("\n")
254
255 if c < 0:
256 raise Exception("Internal error")
257
258 buffer.append("0x%02x" % c)
259 pos += 1
260
261 cpp.write("".join(buffer))
262 # Zero-size array are disallowed, so we put one single void character in it.
263 if pos == 0:
264 cpp.write(' 0')
265
266 cpp.write(' };\n')
267 cpp.write(' static const size_t resource%dSize = %d;\n' % (item['Index'], pos))
268
269
270 cpp = open(TARGET_BASE_FILENAME + '.cpp', 'w')
271
272 cpp.write('#include "%s.h"\n' % os.path.basename(TARGET_BASE_FILENAME))
273
274 if USE_SYSTEM_EXCEPTION:
275 cpp.write('#include <stdexcept>')
276 elif FRAMEWORK_PATH != None:
277 cpp.write('#include "%s/OrthancException.h"' % FRAMEWORK_PATH)
278 else:
279 cpp.write('#include <OrthancException.h>')
280
281 cpp.write("""
282 #include <stdint.h>
283 #include <string.h>
284
285 """)
286
287 for ns in NAMESPACE.split('.'):
288 cpp.write('namespace %s {\n' % ns)
289
290
291 for name in resources:
292 if resources[name]['Type'] == 'File':
293 WriteResource(cpp, resources[name])
294 else:
295 for f in resources[name]['Files']:
296 WriteResource(cpp, resources[name]['Files'][f])
297
298
299
300 #####################################################################
301 ## Write the accessors to the file resources in .cpp
302 #####################################################################
303
304 cpp.write("""
305 const void* GetFileResourceBuffer(FileResourceId id)
306 {
307 switch (id)
308 {
309 """)
310 for name in resources:
311 if resources[name]['Type'] == 'File':
312 cpp.write(' case %s:\n' % name)
313 cpp.write(' return resource%dBuffer;\n' % resources[name]['Index'])
314
315 cpp.write("""
316 default:
317 throw %s;
318 }
319 }
320
321 size_t GetFileResourceSize(FileResourceId id)
322 {
323 switch (id)
324 {
325 """ % OUT_OF_RANGE_EXCEPTION)
326
327 for name in resources:
328 if resources[name]['Type'] == 'File':
329 cpp.write(' case %s:\n' % name)
330 cpp.write(' return resource%dSize;\n' % resources[name]['Index'])
331
332 cpp.write("""
333 default:
334 throw %s;
335 }
336 }
337 """ % OUT_OF_RANGE_EXCEPTION)
338
339
340
341 #####################################################################
342 ## Write the accessors to the directory resources in .cpp
343 #####################################################################
344
345 cpp.write("""
346 const void* GetDirectoryResourceBuffer(DirectoryResourceId id, const char* path)
347 {
348 switch (id)
349 {
350 """)
351
352 for name in resources:
353 if resources[name]['Type'] == 'Directory':
354 cpp.write(' case %s:\n' % name)
355 isFirst = True
356 for path in resources[name]['Files']:
357 cpp.write(' if (!strcmp(path, "%s"))\n' % path)
358 cpp.write(' return resource%dBuffer;\n' % resources[name]['Files'][path]['Index'])
359 cpp.write(' throw %s;\n\n' % INEXISTENT_PATH_EXCEPTION)
360
361 cpp.write(""" default:
362 throw %s;
363 }
364 }
365
366 size_t GetDirectoryResourceSize(DirectoryResourceId id, const char* path)
367 {
368 switch (id)
369 {
370 """ % OUT_OF_RANGE_EXCEPTION)
371
372 for name in resources:
373 if resources[name]['Type'] == 'Directory':
374 cpp.write(' case %s:\n' % name)
375 isFirst = True
376 for path in resources[name]['Files']:
377 cpp.write(' if (!strcmp(path, "%s"))\n' % path)
378 cpp.write(' return resource%dSize;\n' % resources[name]['Files'][path]['Index'])
379 cpp.write(' throw %s;\n\n' % INEXISTENT_PATH_EXCEPTION)
380
381 cpp.write(""" default:
382 throw %s;
383 }
384 }
385 """ % OUT_OF_RANGE_EXCEPTION)
386
387
388
389
390 #####################################################################
391 ## List the resources in a directory
392 #####################################################################
393
394 cpp.write("""
395 void ListResources(std::list<std::string>& result, DirectoryResourceId id)
396 {
397 result.clear();
398
399 switch (id)
400 {
401 """)
402
403 for name in resources:
404 if resources[name]['Type'] == 'Directory':
405 cpp.write(' case %s:\n' % name)
406 for path in sorted(resources[name]['Files']):
407 cpp.write(' result.push_back("%s");\n' % path)
408 cpp.write(' break;\n\n')
409
410 cpp.write(""" default:
411 throw %s;
412 }
413 }
414 """ % OUT_OF_RANGE_EXCEPTION)
415
416
417
418
419 #####################################################################
420 ## Write the convenience wrappers in .cpp
421 #####################################################################
422
423 cpp.write("""
424 void GetFileResource(std::string& result, FileResourceId id)
425 {
426 size_t size = GetFileResourceSize(id);
427 result.resize(size);
428 if (size > 0)
429 memcpy(&result[0], GetFileResourceBuffer(id), size);
430 }
431
432 void GetDirectoryResource(std::string& result, DirectoryResourceId id, const char* path)
433 {
434 size_t size = GetDirectoryResourceSize(id, path);
435 result.resize(size);
436 if (size > 0)
437 memcpy(&result[0], GetDirectoryResourceBuffer(id, path), size);
438 }
439 """)
440
441
442 for ns in NAMESPACE.split('.'):
443 cpp.write('}\n')
444
445 cpp.close()