Mercurial > hg > orthanc
annotate Plugins/Samples/WebSkeleton/Framework/EmbedResources.py @ 3926:2910b0d30fe0 transcoding
Allow concurrent calls to the custom image decoders provided by the plugins
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Thu, 14 May 2020 07:37:44 +0200 |
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1 # Orthanc - A Lightweight, RESTful DICOM Store |
1900 | 2 # Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics |
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3 # Department, University Hospital of Liege, Belgium |
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4 # Copyright (C) 2017-2020 Osimis S.A., Belgium |
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5 # |
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6 # This program is free software: you can redistribute it and/or |
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7 # modify it under the terms of the GNU General Public License as |
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8 # published by the Free Software Foundation, either version 3 of the |
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9 # License, or (at your option) any later version. |
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10 # |
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11 # This program is distributed in the hope that it will be useful, but |
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12 # WITHOUT ANY WARRANTY; without even the implied warranty of |
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13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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14 # General Public License for more details. |
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15 # |
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16 # You should have received a copy of the GNU General Public License |
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17 # along with this program. If not, see <http://www.gnu.org/licenses/>. |
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18 |
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19 |
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20 import sys |
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21 import os |
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22 import os.path |
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23 import pprint |
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24 import re |
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25 |
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26 UPCASE_CHECK = True |
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27 ARGS = [] |
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28 for i in range(len(sys.argv)): |
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29 if not sys.argv[i].startswith('--'): |
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30 ARGS.append(sys.argv[i]) |
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31 elif sys.argv[i].lower() == '--no-upcase-check': |
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32 UPCASE_CHECK = False |
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33 |
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34 if len(ARGS) < 2 or len(ARGS) % 2 != 0: |
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35 print ('Usage:') |
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36 print ('python %s [--no-upcase-check] <TargetBaseFilename> [ <Name> <Source> ]*' % sys.argv[0]) |
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37 exit(-1) |
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38 |
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39 TARGET_BASE_FILENAME = ARGS[1] |
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40 SOURCES = ARGS[2:] |
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41 |
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42 try: |
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43 # Make sure the destination directory exists |
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44 os.makedirs(os.path.normpath(os.path.join(TARGET_BASE_FILENAME, '..'))) |
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45 except: |
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46 pass |
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47 |
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48 |
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49 ##################################################################### |
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50 ## Read each resource file |
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51 ##################################################################### |
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52 |
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53 def CheckNoUpcase(s): |
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54 global UPCASE_CHECK |
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55 if (UPCASE_CHECK and |
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56 re.search('[A-Z]', s) != None): |
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57 raise Exception("Path in a directory with an upcase letter: %s" % s) |
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58 |
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59 resources = {} |
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60 |
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61 counter = 0 |
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62 i = 0 |
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63 while i < len(SOURCES): |
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64 resourceName = SOURCES[i].upper() |
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65 pathName = SOURCES[i + 1] |
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66 |
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67 if not os.path.exists(pathName): |
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68 raise Exception("Non existing path: %s" % pathName) |
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69 |
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70 if resourceName in resources: |
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71 raise Exception("Twice the same resource: " + resourceName) |
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72 |
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73 if os.path.isdir(pathName): |
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74 # The resource is a directory: Recursively explore its files |
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75 content = {} |
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76 for root, dirs, files in os.walk(pathName): |
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77 dirs.sort() |
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78 files.sort() |
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79 base = os.path.relpath(root, pathName) |
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80 for f in files: |
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81 if f.find('~') == -1: # Ignore Emacs backup files |
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82 if base == '.': |
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83 r = f |
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84 else: |
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85 r = os.path.join(base, f) |
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86 |
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87 CheckNoUpcase(r) |
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88 r = '/' + r.replace('\\', '/') |
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89 if r in content: |
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90 raise Exception("Twice the same filename (check case): " + r) |
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91 |
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92 content[r] = { |
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93 'Filename' : os.path.join(root, f), |
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94 'Index' : counter |
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95 } |
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96 counter += 1 |
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97 |
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98 resources[resourceName] = { |
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99 'Type' : 'Directory', |
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100 'Files' : content |
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101 } |
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102 |
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103 elif os.path.isfile(pathName): |
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104 resources[resourceName] = { |
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105 'Type' : 'File', |
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106 'Index' : counter, |
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107 'Filename' : pathName |
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108 } |
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109 counter += 1 |
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110 |
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111 else: |
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112 raise Exception("Not a regular file, nor a directory: " + pathName) |
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113 |
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114 i += 2 |
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115 |
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116 #pprint.pprint(resources) |
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117 |
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118 |
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119 ##################################################################### |
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120 ## Write .h header |
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121 ##################################################################### |
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122 |
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123 header = open(TARGET_BASE_FILENAME + '.h', 'w') |
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124 |
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125 header.write(""" |
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126 #pragma once |
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127 |
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128 #include <string> |
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129 #include <list> |
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130 |
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131 namespace Orthanc |
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132 { |
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133 namespace EmbeddedResources |
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134 { |
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135 enum FileResourceId |
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136 { |
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137 """) |
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138 |
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139 isFirst = True |
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140 for name in resources: |
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141 if resources[name]['Type'] == 'File': |
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142 if isFirst: |
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143 isFirst = False |
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144 else: |
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145 header.write(',\n') |
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146 header.write(' %s' % name) |
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147 |
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148 header.write(""" |
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149 }; |
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150 |
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151 enum DirectoryResourceId |
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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'] == 'Directory': |
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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 const void* GetFileResourceBuffer(FileResourceId id); |
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168 size_t GetFileResourceSize(FileResourceId id); |
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169 void GetFileResource(std::string& result, FileResourceId id); |
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170 |
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171 const void* GetDirectoryResourceBuffer(DirectoryResourceId id, const char* path); |
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172 size_t GetDirectoryResourceSize(DirectoryResourceId id, const char* path); |
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173 void GetDirectoryResource(std::string& result, DirectoryResourceId id, const char* path); |
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174 |
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175 void ListResources(std::list<std::string>& result, DirectoryResourceId id); |
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176 } |
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177 } |
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178 """) |
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179 header.close() |
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180 |
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181 |
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182 |
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183 ##################################################################### |
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184 ## Write the resource content in the .cpp source |
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185 ##################################################################### |
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186 |
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187 PYTHON_MAJOR_VERSION = sys.version_info[0] |
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188 |
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189 def WriteResource(cpp, item): |
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190 cpp.write(' static const uint8_t resource%dBuffer[] = {' % item['Index']) |
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191 |
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192 f = open(item['Filename'], "rb") |
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193 content = f.read() |
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194 f.close() |
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195 |
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196 # http://stackoverflow.com/a/1035360 |
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197 pos = 0 |
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198 for b in content: |
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199 if PYTHON_MAJOR_VERSION == 2: |
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200 c = ord(b[0]) |
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201 else: |
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202 c = b |
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203 |
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204 if pos > 0: |
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205 cpp.write(', ') |
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206 |
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207 if (pos % 16) == 0: |
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208 cpp.write('\n ') |
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209 |
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210 if c < 0: |
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211 raise Exception("Internal error") |
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212 |
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213 cpp.write("0x%02x" % c) |
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214 pos += 1 |
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215 |
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216 # Zero-size array are disallowed, so we put one single void character in it. |
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217 if pos == 0: |
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218 cpp.write(' 0') |
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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 print os.path.abspath(os.path.join(os.path.dirname(__file__), '..')) |
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227 |
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228 cpp.write(""" |
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229 #include "%s.h" |
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230 |
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231 #include <stdint.h> |
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232 #include <string.h> |
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233 #include <stdexcept> |
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234 |
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235 namespace Orthanc |
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236 { |
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237 namespace EmbeddedResources |
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238 { |
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239 """ % (os.path.basename(TARGET_BASE_FILENAME))) |
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240 |
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241 |
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242 for name in resources: |
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243 if resources[name]['Type'] == 'File': |
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244 WriteResource(cpp, resources[name]) |
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245 else: |
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246 for f in resources[name]['Files']: |
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247 WriteResource(cpp, resources[name]['Files'][f]) |
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248 |
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249 |
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250 |
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251 ##################################################################### |
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252 ## Write the accessors to the file resources in .cpp |
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253 ##################################################################### |
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254 |
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255 cpp.write(""" |
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256 const void* GetFileResourceBuffer(FileResourceId id) |
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257 { |
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258 switch (id) |
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259 { |
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260 """) |
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261 for name in resources: |
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262 if resources[name]['Type'] == 'File': |
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263 cpp.write(' case %s:\n' % name) |
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264 cpp.write(' return resource%dBuffer;\n' % resources[name]['Index']) |
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265 |
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266 cpp.write(""" |
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267 default: |
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268 throw std::runtime_error("Unknown resource"); |
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269 } |
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270 } |
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271 |
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272 size_t GetFileResourceSize(FileResourceId id) |
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273 { |
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274 switch (id) |
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275 { |
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276 """) |
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277 |
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278 for name in resources: |
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279 if resources[name]['Type'] == 'File': |
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280 cpp.write(' case %s:\n' % name) |
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281 cpp.write(' return resource%dSize;\n' % resources[name]['Index']) |
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282 |
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283 cpp.write(""" |
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284 default: |
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285 throw std::runtime_error("Unknown resource"); |
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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 |
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292 ##################################################################### |
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293 ## Write the accessors to the directory resources in .cpp |
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294 ##################################################################### |
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295 |
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296 cpp.write(""" |
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297 const void* GetDirectoryResourceBuffer(DirectoryResourceId id, const char* path) |
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298 { |
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299 switch (id) |
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300 { |
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301 """) |
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302 |
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303 for name in resources: |
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304 if resources[name]['Type'] == 'Directory': |
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305 cpp.write(' case %s:\n' % name) |
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306 isFirst = True |
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307 for path in resources[name]['Files']: |
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308 cpp.write(' if (!strcmp(path, "%s"))\n' % path) |
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309 cpp.write(' return resource%dBuffer;\n' % resources[name]['Files'][path]['Index']) |
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310 cpp.write(' throw std::runtime_error("Unknown path in a directory resource");\n\n') |
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311 |
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312 cpp.write(""" default: |
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313 throw std::runtime_error("Unknown resource"); |
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314 } |
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315 } |
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316 |
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317 size_t GetDirectoryResourceSize(DirectoryResourceId id, const char* path) |
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318 { |
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319 switch (id) |
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320 { |
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321 """) |
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322 |
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323 for name in resources: |
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324 if resources[name]['Type'] == 'Directory': |
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325 cpp.write(' case %s:\n' % name) |
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326 isFirst = True |
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327 for path in resources[name]['Files']: |
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328 cpp.write(' if (!strcmp(path, "%s"))\n' % path) |
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329 cpp.write(' return resource%dSize;\n' % resources[name]['Files'][path]['Index']) |
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330 cpp.write(' throw std::runtime_error("Unknown path in a directory resource");\n\n') |
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331 |
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332 cpp.write(""" default: |
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333 throw std::runtime_error("Unknown resource"); |
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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 |
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341 ##################################################################### |
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342 ## List the resources in a directory |
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343 ##################################################################### |
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344 |
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345 cpp.write(""" |
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346 void ListResources(std::list<std::string>& result, DirectoryResourceId id) |
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347 { |
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348 result.clear(); |
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349 |
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350 switch (id) |
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351 { |
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352 """) |
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353 |
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354 for name in resources: |
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355 if resources[name]['Type'] == 'Directory': |
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356 cpp.write(' case %s:\n' % name) |
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357 for path in sorted(resources[name]['Files']): |
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358 cpp.write(' result.push_back("%s");\n' % path) |
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359 cpp.write(' break;\n\n') |
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360 |
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361 cpp.write(""" default: |
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362 throw std::runtime_error("Unknown resource"); |
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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 |
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370 ##################################################################### |
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371 ## Write the convenience wrappers in .cpp |
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372 ##################################################################### |
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373 |
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374 cpp.write(""" |
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375 void GetFileResource(std::string& result, FileResourceId id) |
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376 { |
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377 size_t size = GetFileResourceSize(id); |
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378 result.resize(size); |
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379 if (size > 0) |
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380 memcpy(&result[0], GetFileResourceBuffer(id), size); |
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381 } |
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382 |
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383 void GetDirectoryResource(std::string& result, DirectoryResourceId id, const char* path) |
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384 { |
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385 size_t size = GetDirectoryResourceSize(id, path); |
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386 result.resize(size); |
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Sample plugin framework to serve static resources
Sebastien Jodogne <s.jodogne@gmail.com>
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387 if (size > 0) |
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388 memcpy(&result[0], GetDirectoryResourceBuffer(id, path), size); |
17302d83abfd
Sample plugin framework to serve static resources
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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389 } |
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Sample plugin framework to serve static resources
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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390 } |
17302d83abfd
Sample plugin framework to serve static resources
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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391 } |
17302d83abfd
Sample plugin framework to serve static resources
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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392 """) |
17302d83abfd
Sample plugin framework to serve static resources
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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393 cpp.close() |