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