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1 # Orthanc - A Lightweight, RESTful DICOM Store
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2 # Copyright (C) 2012-2015 Sebastien Jodogne, Medical Physics
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3 # Department, University Hospital of Liege, Belgium
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4 #
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5 # This program is free software: you can redistribute it and/or
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6 # modify it under the terms of the GNU Affero General Public License
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7 # as published by the Free Software Foundation, either version 3 of
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8 # the License, or (at your option) any later version.
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9 #
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10 # This program is distributed in the hope that it will be useful, but
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11 # WITHOUT ANY WARRANTY; without even the implied warranty of
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12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 # Affero General Public License for more details.
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14 #
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15 # You should have received a copy of the GNU Affero General Public License
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16 # along with this program. If not, see <http://www.gnu.org/licenses/>.
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17
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18
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19 import sys
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20 import os
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21 import os.path
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22 import pprint
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23 import re
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24
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25 UPCASE_CHECK = True
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26 ARGS = []
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27 for i in range(len(sys.argv)):
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28 if not sys.argv[i].startswith('--'):
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29 ARGS.append(sys.argv[i])
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30 elif sys.argv[i].lower() == '--no-upcase-check':
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31 UPCASE_CHECK = False
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32
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33 if len(ARGS) < 2 or len(ARGS) % 2 != 0:
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34 print ('Usage:')
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35 print ('python %s [--no-upcase-check] <TargetBaseFilename> [ <Name> <Source> ]*' % sys.argv[0])
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36 exit(-1)
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37
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38 TARGET_BASE_FILENAME = ARGS[1]
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39 SOURCES = ARGS[2:]
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40
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41 try:
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42 # Make sure the destination directory exists
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43 os.makedirs(os.path.normpath(os.path.join(TARGET_BASE_FILENAME, '..')))
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44 except:
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45 pass
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46
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47
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48 #####################################################################
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49 ## Read each resource file
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50 #####################################################################
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51
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52 def CheckNoUpcase(s):
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53 global UPCASE_CHECK
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54 if (UPCASE_CHECK and
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55 re.search('[A-Z]', s) != None):
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56 raise Exception("Path in a directory with an upcase letter: %s" % s)
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57
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58 resources = {}
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59
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60 counter = 0
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61 i = 0
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62 while i < len(SOURCES):
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63 resourceName = SOURCES[i].upper()
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64 pathName = SOURCES[i + 1]
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65
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66 if not os.path.exists(pathName):
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67 raise Exception("Non existing path: %s" % pathName)
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68
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69 if resourceName in resources:
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70 raise Exception("Twice the same resource: " + resourceName)
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71
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72 if os.path.isdir(pathName):
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73 # The resource is a directory: Recursively explore its files
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74 content = {}
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75 for root, dirs, files in os.walk(pathName):
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76 base = os.path.relpath(root, pathName)
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77
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78 # Fix issue #24 (Build fails on OSX when directory has .DS_Store files):
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79 # Ignore folders whose name starts with a dot (".")
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80 if base.find('/.') != -1:
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81 print('Ignoring folder: %s' % root)
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82 continue
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83
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84 for f in files:
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85 if f.find('~') == -1: # Ignore Emacs backup files
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86 if base == '.':
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87 r = f
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88 else:
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89 r = os.path.join(base, f)
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90
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91 CheckNoUpcase(r)
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92 r = '/' + r.replace('\\', '/')
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93 if r in content:
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94 raise Exception("Twice the same filename (check case): " + r)
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95
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96 content[r] = {
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97 'Filename' : os.path.join(root, f),
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98 'Index' : counter
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99 }
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100 counter += 1
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101
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102 resources[resourceName] = {
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103 'Type' : 'Directory',
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104 'Files' : content
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105 }
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106
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107 elif os.path.isfile(pathName):
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108 resources[resourceName] = {
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109 'Type' : 'File',
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110 'Index' : counter,
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111 'Filename' : pathName
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112 }
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113 counter += 1
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114
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115 else:
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116 raise Exception("Not a regular file, nor a directory: " + pathName)
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117
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118 i += 2
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119
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120 #pprint.pprint(resources)
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121
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122
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123 #####################################################################
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124 ## Write .h header
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125 #####################################################################
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126
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127 header = open(TARGET_BASE_FILENAME + '.h', 'w')
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128
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129 header.write("""
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130 #pragma once
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131
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132 #include <string>
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133 #include <list>
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134
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135 namespace OrthancPlugins
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136 {
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137 namespace EmbeddedResources
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138 {
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139 enum FileResourceId
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140 {
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141 """)
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142
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143 isFirst = True
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144 for name in resources:
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145 if resources[name]['Type'] == 'File':
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146 if isFirst:
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147 isFirst = False
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148 else:
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149 header.write(',\n')
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150 header.write(' %s' % name)
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151
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152 header.write("""
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153 };
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154
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155 enum DirectoryResourceId
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156 {
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157 """)
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158
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159 isFirst = True
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160 for name in resources:
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161 if resources[name]['Type'] == 'Directory':
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162 if isFirst:
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163 isFirst = False
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164 else:
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165 header.write(',\n')
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166 header.write(' %s' % name)
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167
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168 header.write("""
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169 };
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170
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171 const void* GetFileResourceBuffer(FileResourceId id);
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172 size_t GetFileResourceSize(FileResourceId id);
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173 void GetFileResource(std::string& result, FileResourceId id);
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174
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175 const void* GetDirectoryResourceBuffer(DirectoryResourceId id, const char* path);
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176 size_t GetDirectoryResourceSize(DirectoryResourceId id, const char* path);
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177 void GetDirectoryResource(std::string& result, DirectoryResourceId id, const char* path);
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178
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179 void ListResources(std::list<std::string>& result, DirectoryResourceId id);
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180 }
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181 }
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182 """)
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183 header.close()
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184
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185
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186
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187 #####################################################################
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188 ## Write the resource content in the .cpp source
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189 #####################################################################
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190
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191 PYTHON_MAJOR_VERSION = sys.version_info[0]
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192
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193 def WriteResource(cpp, item):
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194 cpp.write(' static const uint8_t resource%dBuffer[] = {' % item['Index'])
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195
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196 f = open(item['Filename'], "rb")
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197 content = f.read()
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198 f.close()
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199
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200 # http://stackoverflow.com/a/1035360
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201 pos = 0
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202 for b in content:
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203 if PYTHON_MAJOR_VERSION == 2:
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204 c = ord(b[0])
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205 else:
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206 c = b
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207
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208 if pos > 0:
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209 cpp.write(', ')
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210
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211 if (pos % 16) == 0:
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212 cpp.write('\n ')
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213
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214 if c < 0:
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215 raise Exception("Internal error")
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216
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217 cpp.write("0x%02x" % c)
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218 pos += 1
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219
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220 cpp.write(' };\n')
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221 cpp.write(' static const size_t resource%dSize = %d;\n' % (item['Index'], pos))
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222
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223
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224 cpp = open(TARGET_BASE_FILENAME + '.cpp', 'w')
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225
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226 cpp.write("""
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227 #include "%s.h"
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228
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229 #include <stdexcept>
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230 #include <stdint.h>
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231 #include <string.h>
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232
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233 namespace OrthancPlugins
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234 {
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235 namespace EmbeddedResources
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236 {
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237 """ % (os.path.basename(TARGET_BASE_FILENAME)))
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238
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239
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240 for name in resources:
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241 if resources[name]['Type'] == 'File':
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242 WriteResource(cpp, resources[name])
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243 else:
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244 for f in resources[name]['Files']:
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245 WriteResource(cpp, resources[name]['Files'][f])
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246
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247
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248
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249 #####################################################################
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250 ## Write the accessors to the file resources in .cpp
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251 #####################################################################
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252
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253 cpp.write("""
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254 const void* GetFileResourceBuffer(FileResourceId id)
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255 {
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256 switch (id)
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257 {
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258 """)
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259 for name in resources:
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260 if resources[name]['Type'] == 'File':
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261 cpp.write(' case %s:\n' % name)
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262 cpp.write(' return resource%dBuffer;\n' % resources[name]['Index'])
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263
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264 cpp.write("""
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265 default:
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266 throw std::runtime_error("Parameter out of range");
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267 }
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268 }
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269
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270 size_t GetFileResourceSize(FileResourceId id)
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271 {
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272 switch (id)
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273 {
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274 """)
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275
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276 for name in resources:
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277 if resources[name]['Type'] == 'File':
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278 cpp.write(' case %s:\n' % name)
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279 cpp.write(' return resource%dSize;\n' % resources[name]['Index'])
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280
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281 cpp.write("""
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282 default:
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283 throw std::runtime_error("Parameter out of range");
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284 }
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285 }
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286 """)
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287
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288
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289
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290 #####################################################################
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291 ## Write the accessors to the directory resources in .cpp
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292 #####################################################################
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293
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294 cpp.write("""
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295 const void* GetDirectoryResourceBuffer(DirectoryResourceId id, const char* path)
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296 {
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297 switch (id)
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298 {
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299 """)
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300
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301 for name in resources:
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302 if resources[name]['Type'] == 'Directory':
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303 cpp.write(' case %s:\n' % name)
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304 isFirst = True
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305 for path in resources[name]['Files']:
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306 cpp.write(' if (!strcmp(path, "%s"))\n' % path)
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307 cpp.write(' return resource%dBuffer;\n' % resources[name]['Files'][path]['Index'])
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308 cpp.write(' throw std::runtime_error("Unknown path in a directory resource");\n\n')
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309
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310 cpp.write(""" default:
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311 throw std::runtime_error("Parameter out of range");
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312 }
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313 }
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314
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315 size_t GetDirectoryResourceSize(DirectoryResourceId id, const char* path)
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316 {
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317 switch (id)
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318 {
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319 """)
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320
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321 for name in resources:
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322 if resources[name]['Type'] == 'Directory':
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323 cpp.write(' case %s:\n' % name)
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324 isFirst = True
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325 for path in resources[name]['Files']:
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326 cpp.write(' if (!strcmp(path, "%s"))\n' % path)
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327 cpp.write(' return resource%dSize;\n' % resources[name]['Files'][path]['Index'])
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328 cpp.write(' throw std::runtime_error("Unknown path in a directory resource");\n\n')
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329
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330 cpp.write(""" default:
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331 throw std::runtime_error("Parameter out of range");
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332 }
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333 }
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334 """)
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335
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336
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337
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338
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339 #####################################################################
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340 ## List the resources in a directory
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341 #####################################################################
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342
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343 cpp.write("""
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344 void ListResources(std::list<std::string>& result, DirectoryResourceId id)
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345 {
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346 result.clear();
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347
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348 switch (id)
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349 {
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350 """)
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351
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352 for name in resources:
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353 if resources[name]['Type'] == 'Directory':
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354 cpp.write(' case %s:\n' % name)
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355 for path in sorted(resources[name]['Files']):
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356 cpp.write(' result.push_back("%s");\n' % path)
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357 cpp.write(' break;\n\n')
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358
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359 cpp.write(""" default:
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360 throw std::runtime_error("Parameter out of range");
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361 }
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362 }
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363 """)
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364
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365
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366
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367
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368 #####################################################################
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369 ## Write the convenience wrappers in .cpp
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370 #####################################################################
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371
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372 cpp.write("""
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373 void GetFileResource(std::string& result, FileResourceId id)
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374 {
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375 size_t size = GetFileResourceSize(id);
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376 result.resize(size);
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377 if (size > 0)
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378 memcpy(&result[0], GetFileResourceBuffer(id), size);
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379 }
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380
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381 void GetDirectoryResource(std::string& result, DirectoryResourceId id, const char* path)
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382 {
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383 size_t size = GetDirectoryResourceSize(id, path);
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384 result.resize(size);
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385 if (size > 0)
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386 memcpy(&result[0], GetDirectoryResourceBuffer(id, path), size);
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387 }
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388 }
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389 }
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390 """)
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391 cpp.close()
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