Mercurial > hg > orthanc-webviewer

comparison Resources/EmbedResources.py @ 0:02f7a0400a91

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initial commit
author Sebastien Jodogne <s.jodogne@gmail.com>
date Wed, 25 Feb 2015 13:45:35 +0100
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-1:000000000000 0:02f7a0400a91
1 # Orthanc - A Lightweight, RESTful DICOM Store
2 # Copyright (C) 2012-2015 Sebastien Jodogne, Medical Physics
3 # Department, University Hospital of Liege, Belgium
4 #
5 # This program is free software: you can redistribute it and/or
6 # modify it under the terms of the GNU Affero General Public License
7 # as published by the Free Software Foundation, either version 3 of
8 # the License, or (at your option) any later version.
9 #
10 # This program is distributed in the hope that it will be useful, but
11 # WITHOUT ANY WARRANTY; without even the implied warranty of
12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 # Affero General Public License for more details.
14 #
15 # You should have received a copy of the GNU Affero General Public License
16 # along with this program. If not, see <http://www.gnu.org/licenses/>.
17
18
19 import sys
20 import os
21 import os.path
22 import pprint
23 import re
24
25 UPCASE_CHECK = True
26 ARGS = []
27 for i in range(len(sys.argv)):
28 if not sys.argv[i].startswith('--'):
29 ARGS.append(sys.argv[i])
30 elif sys.argv[i].lower() == '--no-upcase-check':
31 UPCASE_CHECK = False
32
33 if len(ARGS) < 2 or len(ARGS) % 2 != 0:
34 print ('Usage:')
35 print ('python %s [--no-upcase-check] <TargetBaseFilename> [ <Name> <Source> ]*' % sys.argv[0])
36 exit(-1)
37
38 TARGET_BASE_FILENAME = ARGS[1]
39 SOURCES = ARGS[2:]
40
41 try:
42 # Make sure the destination directory exists
43 os.makedirs(os.path.normpath(os.path.join(TARGET_BASE_FILENAME, '..')))
44 except:
45 pass
46
47
48 #####################################################################
49 ## Read each resource file
50 #####################################################################
51
52 def CheckNoUpcase(s):
53 global UPCASE_CHECK
54 if (UPCASE_CHECK and
55 re.search('[A-Z]', s) != None):
56 raise Exception("Path in a directory with an upcase letter: %s" % s)
57
58 resources = {}
59
60 counter = 0
61 i = 0
62 while i < len(SOURCES):
63 resourceName = SOURCES[i].upper()
64 pathName = SOURCES[i + 1]
65
66 if not os.path.exists(pathName):
67 raise Exception("Non existing path: %s" % pathName)
68
69 if resourceName in resources:
70 raise Exception("Twice the same resource: " + resourceName)
71
72 if os.path.isdir(pathName):
73 # The resource is a directory: Recursively explore its files
74 content = {}
75 for root, dirs, files in os.walk(pathName):
76 base = os.path.relpath(root, pathName)
77
78 # Fix issue #24 (Build fails on OSX when directory has .DS_Store files):
79 # Ignore folders whose name starts with a dot (".")
80 if base.find('/.') != -1:
81 print('Ignoring folder: %s' % root)
82 continue
83
84 for f in files:
85 if f.find('~') == -1: # Ignore Emacs backup files
86 if base == '.':
87 r = f
88 else:
89 r = os.path.join(base, f)
90
91 CheckNoUpcase(r)
92 r = '/' + r.replace('\\', '/')
93 if r in content:
94 raise Exception("Twice the same filename (check case): " + r)
95
96 content[r] = {
97 'Filename' : os.path.join(root, f),
98 'Index' : counter
99 }
100 counter += 1
101
102 resources[resourceName] = {
103 'Type' : 'Directory',
104 'Files' : content
105 }
106
107 elif os.path.isfile(pathName):
108 resources[resourceName] = {
109 'Type' : 'File',
110 'Index' : counter,
111 'Filename' : pathName
112 }
113 counter += 1
114
115 else:
116 raise Exception("Not a regular file, nor a directory: " + pathName)
117
118 i += 2
119
120 #pprint.pprint(resources)
121
122
123 #####################################################################
124 ## Write .h header
125 #####################################################################
126
127 header = open(TARGET_BASE_FILENAME + '.h', 'w')
128
129 header.write("""
130 #pragma once
131
132 #include <string>
133 #include <list>
134
135 namespace OrthancPlugins
136 {
137 namespace EmbeddedResources
138 {
139 enum FileResourceId
140 {
141 """)
142
143 isFirst = True
144 for name in resources:
145 if resources[name]['Type'] == 'File':
146 if isFirst:
147 isFirst = False
148 else:
149 header.write(',\n')
150 header.write(' %s' % name)
151
152 header.write("""
153 };
154
155 enum DirectoryResourceId
156 {
157 """)
158
159 isFirst = True
160 for name in resources:
161 if resources[name]['Type'] == 'Directory':
162 if isFirst:
163 isFirst = False
164 else:
165 header.write(',\n')
166 header.write(' %s' % name)
167
168 header.write("""
169 };
170
171 const void* GetFileResourceBuffer(FileResourceId id);
172 size_t GetFileResourceSize(FileResourceId id);
173 void GetFileResource(std::string& result, FileResourceId id);
174
175 const void* GetDirectoryResourceBuffer(DirectoryResourceId id, const char* path);
176 size_t GetDirectoryResourceSize(DirectoryResourceId id, const char* path);
177 void GetDirectoryResource(std::string& result, DirectoryResourceId id, const char* path);
178
179 void ListResources(std::list<std::string>& result, DirectoryResourceId id);
180 }
181 }
182 """)
183 header.close()
184
185
186
187 #####################################################################
188 ## Write the resource content in the .cpp source
189 #####################################################################
190
191 PYTHON_MAJOR_VERSION = sys.version_info[0]
192
193 def WriteResource(cpp, item):
194 cpp.write(' static const uint8_t resource%dBuffer[] = {' % item['Index'])
195
196 f = open(item['Filename'], "rb")
197 content = f.read()
198 f.close()
199
200 # http://stackoverflow.com/a/1035360
201 pos = 0
202 for b in content:
203 if PYTHON_MAJOR_VERSION == 2:
204 c = ord(b[0])
205 else:
206 c = b
207
208 if pos > 0:
209 cpp.write(', ')
210
211 if (pos % 16) == 0:
212 cpp.write('\n ')
213
214 if c < 0:
215 raise Exception("Internal error")
216
217 cpp.write("0x%02x" % c)
218 pos += 1
219
220 cpp.write(' };\n')
221 cpp.write(' static const size_t resource%dSize = %d;\n' % (item['Index'], pos))
222
223
224 cpp = open(TARGET_BASE_FILENAME + '.cpp', 'w')
225
226 cpp.write("""
227 #include "%s.h"
228
229 #include <stdexcept>
230 #include <stdint.h>
231 #include <string.h>
232
233 namespace OrthancPlugins
234 {
235 namespace EmbeddedResources
236 {
237 """ % (os.path.basename(TARGET_BASE_FILENAME)))
238
239
240 for name in resources:
241 if resources[name]['Type'] == 'File':
242 WriteResource(cpp, resources[name])
243 else:
244 for f in resources[name]['Files']:
245 WriteResource(cpp, resources[name]['Files'][f])
246
247
248
249 #####################################################################
250 ## Write the accessors to the file resources in .cpp
251 #####################################################################
252
253 cpp.write("""
254 const void* GetFileResourceBuffer(FileResourceId id)
255 {
256 switch (id)
257 {
258 """)
259 for name in resources:
260 if resources[name]['Type'] == 'File':
261 cpp.write(' case %s:\n' % name)
262 cpp.write(' return resource%dBuffer;\n' % resources[name]['Index'])
263
264 cpp.write("""
265 default:
266 throw std::runtime_error("Parameter out of range");
267 }
268 }
269
270 size_t GetFileResourceSize(FileResourceId id)
271 {
272 switch (id)
273 {
274 """)
275
276 for name in resources:
277 if resources[name]['Type'] == 'File':
278 cpp.write(' case %s:\n' % name)
279 cpp.write(' return resource%dSize;\n' % resources[name]['Index'])
280
281 cpp.write("""
282 default:
283 throw std::runtime_error("Parameter out of range");
284 }
285 }
286 """)
287
288
289
290 #####################################################################
291 ## Write the accessors to the directory resources in .cpp
292 #####################################################################
293
294 cpp.write("""
295 const void* GetDirectoryResourceBuffer(DirectoryResourceId id, const char* path)
296 {
297 switch (id)
298 {
299 """)
300
301 for name in resources:
302 if resources[name]['Type'] == 'Directory':
303 cpp.write(' case %s:\n' % name)
304 isFirst = True
305 for path in resources[name]['Files']:
306 cpp.write(' if (!strcmp(path, "%s"))\n' % path)
307 cpp.write(' return resource%dBuffer;\n' % resources[name]['Files'][path]['Index'])
308 cpp.write(' throw std::runtime_error("Unknown path in a directory resource");\n\n')
309
310 cpp.write(""" default:
311 throw std::runtime_error("Parameter out of range");
312 }
313 }
314
315 size_t GetDirectoryResourceSize(DirectoryResourceId id, const char* path)
316 {
317 switch (id)
318 {
319 """)
320
321 for name in resources:
322 if resources[name]['Type'] == 'Directory':
323 cpp.write(' case %s:\n' % name)
324 isFirst = True
325 for path in resources[name]['Files']:
326 cpp.write(' if (!strcmp(path, "%s"))\n' % path)
327 cpp.write(' return resource%dSize;\n' % resources[name]['Files'][path]['Index'])
328 cpp.write(' throw std::runtime_error("Unknown path in a directory resource");\n\n')
329
330 cpp.write(""" default:
331 throw std::runtime_error("Parameter out of range");
332 }
333 }
334 """)
335
336
337
338
339 #####################################################################
340 ## List the resources in a directory
341 #####################################################################
342
343 cpp.write("""
344 void ListResources(std::list<std::string>& result, DirectoryResourceId id)
345 {
346 result.clear();
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 for path in sorted(resources[name]['Files']):
356 cpp.write(' result.push_back("%s");\n' % path)
357 cpp.write(' break;\n\n')
358
359 cpp.write(""" default:
360 throw std::runtime_error("Parameter out of range");
361 }
362 }
363 """)
364
365
366
367
368 #####################################################################
369 ## Write the convenience wrappers in .cpp
370 #####################################################################
371
372 cpp.write("""
373 void GetFileResource(std::string& result, FileResourceId id)
374 {
375 size_t size = GetFileResourceSize(id);
376 result.resize(size);
377 if (size > 0)
378 memcpy(&result[0], GetFileResourceBuffer(id), size);
379 }
380
381 void GetDirectoryResource(std::string& result, DirectoryResourceId id, const char* path)
382 {
383 size_t size = GetDirectoryResourceSize(id, path);
384 result.resize(size);
385 if (size > 0)
386 memcpy(&result[0], GetDirectoryResourceBuffer(id, path), size);
387 }
388 }
389 }
390 """)
391 cpp.close()