Mercurial > hg > orthanc
annotate Resources/EmbedResources.py @ 4030:100fbe970762
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author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Tue, 09 Jun 2020 20:50:20 +0200 |
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rev | line source |
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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) 2017-2020 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.EmbeddedResources' |
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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): | |
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104 dirs.sort() |
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105 files.sort() |
0 | 106 base = os.path.relpath(root, pathName) |
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107 |
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108 # Fix issue #24 (Build fails on OSX when directory has .DS_Store files): |
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109 # Ignore folders whose name starts with a dot (".") |
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110 if base.find('/.') != -1: |
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111 print('Ignoring folder: %s' % root) |
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112 continue |
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113 |
0 | 114 for f in files: |
115 if f.find('~') == -1: # Ignore Emacs backup files | |
116 if base == '.': | |
129 | 117 r = f |
0 | 118 else: |
129 | 119 r = os.path.join(base, f) |
0 | 120 |
129 | 121 CheckNoUpcase(r) |
20 | 122 r = '/' + r.replace('\\', '/') |
0 | 123 if r in content: |
124 raise Exception("Twice the same filename (check case): " + r) | |
125 | |
126 content[r] = { | |
127 'Filename' : os.path.join(root, f), | |
128 'Index' : counter | |
129 } | |
130 counter += 1 | |
131 | |
132 resources[resourceName] = { | |
133 'Type' : 'Directory', | |
134 'Files' : content | |
135 } | |
136 | |
137 elif os.path.isfile(pathName): | |
138 resources[resourceName] = { | |
139 'Type' : 'File', | |
140 'Index' : counter, | |
141 'Filename' : pathName | |
142 } | |
143 counter += 1 | |
144 | |
145 else: | |
146 raise Exception("Not a regular file, nor a directory: " + pathName) | |
147 | |
148 i += 2 | |
149 | |
150 #pprint.pprint(resources) | |
151 | |
152 | |
153 ##################################################################### | |
154 ## Write .h header | |
155 ##################################################################### | |
156 | |
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157 header = open(TARGET_BASE_FILENAME + '.h', 'w') |
0 | 158 |
159 header.write(""" | |
160 #pragma once | |
161 | |
162 #include <string> | |
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163 #include <list> |
0 | 164 |
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165 #if defined(_MSC_VER) |
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166 # pragma warning(disable: 4065) // "Switch statement contains 'default' but no 'case' labels" |
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167 #endif |
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168 |
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169 """) |
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170 |
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171 |
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172 for ns in NAMESPACE.split('.'): |
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173 header.write('namespace %s {\n' % ns) |
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174 |
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175 |
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176 header.write(""" |
0 | 177 enum FileResourceId |
178 { | |
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179 """) |
0 | 180 |
181 isFirst = True | |
182 for name in resources: | |
183 if resources[name]['Type'] == 'File': | |
184 if isFirst: | |
185 isFirst = False | |
186 else: | |
187 header.write(',\n') | |
188 header.write(' %s' % name) | |
189 | |
190 header.write(""" | |
191 }; | |
192 | |
193 enum DirectoryResourceId | |
194 { | |
195 """) | |
196 | |
197 isFirst = True | |
198 for name in resources: | |
199 if resources[name]['Type'] == 'Directory': | |
200 if isFirst: | |
201 isFirst = False | |
202 else: | |
203 header.write(',\n') | |
204 header.write(' %s' % name) | |
205 | |
206 header.write(""" | |
207 }; | |
208 | |
209 const void* GetFileResourceBuffer(FileResourceId id); | |
210 size_t GetFileResourceSize(FileResourceId id); | |
211 void GetFileResource(std::string& result, FileResourceId id); | |
212 | |
213 const void* GetDirectoryResourceBuffer(DirectoryResourceId id, const char* path); | |
214 size_t GetDirectoryResourceSize(DirectoryResourceId id, const char* path); | |
215 void GetDirectoryResource(std::string& result, DirectoryResourceId id, const char* path); | |
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216 |
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217 void ListResources(std::list<std::string>& result, DirectoryResourceId id); |
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218 |
0 | 219 """) |
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220 |
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221 |
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222 for ns in NAMESPACE.split('.'): |
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223 header.write('}\n') |
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224 |
0 | 225 header.close() |
226 | |
227 | |
228 | |
229 ##################################################################### | |
230 ## Write the resource content in the .cpp source | |
231 ##################################################################### | |
232 | |
55 | 233 PYTHON_MAJOR_VERSION = sys.version_info[0] |
234 | |
0 | 235 def WriteResource(cpp, item): |
236 cpp.write(' static const uint8_t resource%dBuffer[] = {' % item['Index']) | |
237 | |
238 f = open(item['Filename'], "rb") | |
239 content = f.read() | |
240 f.close() | |
241 | |
242 # http://stackoverflow.com/a/1035360 | |
243 pos = 0 | |
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244 buffer = [] # instead of appending a few bytes at a time to the cpp file, |
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245 # we first append each chunk to a list, join it and write it |
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246 # to the file. We've measured that it was 2-3 times faster in python3. |
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247 # Note that speed is important since if generation is too slow, |
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248 # cmake might try to compile the EmbeddedResources.cpp file while it is |
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249 # still being generated ! |
0 | 250 for b in content: |
55 | 251 if PYTHON_MAJOR_VERSION == 2: |
252 c = ord(b[0]) | |
253 else: | |
254 c = b | |
255 | |
0 | 256 if pos > 0: |
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257 buffer.append(",") |
0 | 258 |
259 if (pos % 16) == 0: | |
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260 buffer.append("\n") |
0 | 261 |
55 | 262 if c < 0: |
0 | 263 raise Exception("Internal error") |
264 | |
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265 buffer.append("0x%02x" % c) |
0 | 266 pos += 1 |
267 | |
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268 cpp.write("".join(buffer)) |
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269 # Zero-size array are disallowed, so we put one single void character in it. |
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270 if pos == 0: |
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271 cpp.write(' 0') |
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272 |
0 | 273 cpp.write(' };\n') |
274 cpp.write(' static const size_t resource%dSize = %d;\n' % (item['Index'], pos)) | |
275 | |
276 | |
325
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277 cpp = open(TARGET_BASE_FILENAME + '.cpp', 'w') |
0 | 278 |
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279 cpp.write('#include "%s.h"\n' % os.path.basename(TARGET_BASE_FILENAME)) |
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280 |
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281 if USE_SYSTEM_EXCEPTION: |
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282 cpp.write('#include <stdexcept>') |
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283 else: |
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284 cpp.write('#include "%s/Core/OrthancException.h"' % os.path.abspath(os.path.join(os.path.dirname(__file__), '..'))) |
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285 |
0 | 286 cpp.write(""" |
287 #include <stdint.h> | |
288 #include <string.h> | |
289 | |
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290 """) |
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291 |
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292 for ns in NAMESPACE.split('.'): |
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293 cpp.write('namespace %s {\n' % ns) |
0 | 294 |
295 | |
296 for name in resources: | |
297 if resources[name]['Type'] == 'File': | |
298 WriteResource(cpp, resources[name]) | |
299 else: | |
300 for f in resources[name]['Files']: | |
301 WriteResource(cpp, resources[name]['Files'][f]) | |
302 | |
303 | |
304 | |
305 ##################################################################### | |
306 ## Write the accessors to the file resources in .cpp | |
307 ##################################################################### | |
308 | |
309 cpp.write(""" | |
310 const void* GetFileResourceBuffer(FileResourceId id) | |
311 { | |
312 switch (id) | |
313 { | |
314 """) | |
315 for name in resources: | |
316 if resources[name]['Type'] == 'File': | |
317 cpp.write(' case %s:\n' % name) | |
318 cpp.write(' return resource%dBuffer;\n' % resources[name]['Index']) | |
319 | |
320 cpp.write(""" | |
321 default: | |
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322 throw %s; |
0 | 323 } |
324 } | |
325 | |
326 size_t GetFileResourceSize(FileResourceId id) | |
327 { | |
328 switch (id) | |
329 { | |
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330 """ % OUT_OF_RANGE_EXCEPTION) |
0 | 331 |
332 for name in resources: | |
333 if resources[name]['Type'] == 'File': | |
334 cpp.write(' case %s:\n' % name) | |
335 cpp.write(' return resource%dSize;\n' % resources[name]['Index']) | |
336 | |
337 cpp.write(""" | |
338 default: | |
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339 throw %s; |
0 | 340 } |
341 } | |
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342 """ % OUT_OF_RANGE_EXCEPTION) |
0 | 343 |
344 | |
345 | |
346 ##################################################################### | |
347 ## Write the accessors to the directory resources in .cpp | |
348 ##################################################################### | |
349 | |
350 cpp.write(""" | |
351 const void* GetDirectoryResourceBuffer(DirectoryResourceId id, const char* path) | |
352 { | |
353 switch (id) | |
354 { | |
355 """) | |
356 | |
357 for name in resources: | |
358 if resources[name]['Type'] == 'Directory': | |
359 cpp.write(' case %s:\n' % name) | |
360 isFirst = True | |
361 for path in resources[name]['Files']: | |
362 cpp.write(' if (!strcmp(path, "%s"))\n' % path) | |
363 cpp.write(' return resource%dBuffer;\n' % resources[name]['Files'][path]['Index']) | |
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364 cpp.write(' throw %s;\n\n' % INEXISTENT_PATH_EXCEPTION) |
0 | 365 |
366 cpp.write(""" default: | |
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367 throw %s; |
0 | 368 } |
369 } | |
370 | |
371 size_t GetDirectoryResourceSize(DirectoryResourceId id, const char* path) | |
372 { | |
373 switch (id) | |
374 { | |
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375 """ % OUT_OF_RANGE_EXCEPTION) |
0 | 376 |
377 for name in resources: | |
378 if resources[name]['Type'] == 'Directory': | |
379 cpp.write(' case %s:\n' % name) | |
380 isFirst = True | |
381 for path in resources[name]['Files']: | |
382 cpp.write(' if (!strcmp(path, "%s"))\n' % path) | |
383 cpp.write(' return resource%dSize;\n' % resources[name]['Files'][path]['Index']) | |
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384 cpp.write(' throw %s;\n\n' % INEXISTENT_PATH_EXCEPTION) |
0 | 385 |
386 cpp.write(""" default: | |
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387 throw %s; |
0 | 388 } |
389 } | |
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390 """ % OUT_OF_RANGE_EXCEPTION) |
0 | 391 |
392 | |
393 | |
394 | |
395 ##################################################################### | |
323
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396 ## List the resources in a directory |
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397 ##################################################################### |
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398 |
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399 cpp.write(""" |
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400 void ListResources(std::list<std::string>& result, DirectoryResourceId id) |
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401 { |
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402 result.clear(); |
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403 |
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404 switch (id) |
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405 { |
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406 """) |
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407 |
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408 for name in resources: |
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409 if resources[name]['Type'] == 'Directory': |
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410 cpp.write(' case %s:\n' % name) |
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411 for path in sorted(resources[name]['Files']): |
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412 cpp.write(' result.push_back("%s");\n' % path) |
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413 cpp.write(' break;\n\n') |
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414 |
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415 cpp.write(""" default: |
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416 throw %s; |
323
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417 } |
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418 } |
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419 """ % OUT_OF_RANGE_EXCEPTION) |
323
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420 |
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421 |
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422 |
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423 |
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424 ##################################################################### |
0 | 425 ## Write the convenience wrappers in .cpp |
426 ##################################################################### | |
427 | |
428 cpp.write(""" | |
429 void GetFileResource(std::string& result, FileResourceId id) | |
430 { | |
431 size_t size = GetFileResourceSize(id); | |
432 result.resize(size); | |
433 if (size > 0) | |
434 memcpy(&result[0], GetFileResourceBuffer(id), size); | |
435 } | |
436 | |
437 void GetDirectoryResource(std::string& result, DirectoryResourceId id, const char* path) | |
438 { | |
439 size_t size = GetDirectoryResourceSize(id, path); | |
440 result.resize(size); | |
441 if (size > 0) | |
442 memcpy(&result[0], GetDirectoryResourceBuffer(id, path), size); | |
443 } | |
444 """) | |
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445 |
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446 |
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447 for ns in NAMESPACE.split('.'): |
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448 cpp.write('}\n') |
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449 |
0 | 450 cpp.close() |