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