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0
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1 #!/usr/bin/env python
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2
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3 ##
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4 ## Python plugin for Orthanc
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5 ## Copyright (C) 2017-2020 Osimis S.A., Belgium
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6 ##
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7 ## This program is free software: you can redistribute it and/or
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8 ## modify it under the terms of the GNU Affero General Public License
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9 ## as published by the Free Software Foundation, either version 3 of
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10 ## the License, or (at your option) any later version.
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11 ##
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12 ## This program is distributed in the hope that it will be useful, but
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13 ## WITHOUT ANY WARRANTY; without even the implied warranty of
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14 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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15 ## Affero General Public License for more details.
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16 ##
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17 ## You should have received a copy of the GNU Affero General Public License
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18 ## along with this program. If not, see <http://www.gnu.org/licenses/>.
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19 ##
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20
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21
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22 import argparse
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23 import clang.cindex
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24 import os
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25 import pprint
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26 import pystache
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27 import sys
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28
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29
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30 ROOT = os.path.dirname(os.path.realpath(sys.argv[0]))
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31
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32
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33 ##
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34 ## Parse the command-line arguments
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35 ##
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36
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37 parser = argparse.ArgumentParser(description = 'Parse the Orthanc SDK.')
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38 parser.add_argument('--libclang',
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39 default = 'libclang-4.0.so.1',
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40 help = 'manually provides the path to the libclang shared library')
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41 parser.add_argument('--source',
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42 default = os.path.join(os.path.dirname(__file__),
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43 '../Resources/Orthanc/Sdk-1.5.7/orthanc/OrthancCPlugin.h'),
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44 help = 'Input C++ file')
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45 parser.add_argument('--target',
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46 default = os.path.join(os.path.dirname(__file__),
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47 '../Sources/Autogenerated'),
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48 help = 'Target folder')
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49
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50 args = parser.parse_args()
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51
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52
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53
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54 if len(args.libclang) != 0:
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55 clang.cindex.Config.set_library_file(args.libclang)
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56
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57 index = clang.cindex.Index.create()
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58
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59 tu = index.parse(args.source, [ ])
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60
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61 TARGET = os.path.realpath(args.target)
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62
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63
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64
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65 def ToUpperCase(name):
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66 s = ''
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67 for i in range(len(name)):
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68 if name[i].isupper():
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69 if len(s) == 0:
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70 s += name[i]
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71 elif name[i - 1].islower():
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72 s += '_' + name[i]
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73 elif (i + 1 < len(name) and
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74 name[i - 1].islower() and
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75 name[i + 1].isupper()):
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76 s += '_' + name[i]
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77 else:
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78 s += name[i]
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79 else:
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80 s += name[i].upper()
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81 return s
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82
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83
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84
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85 with open(os.path.join(ROOT, 'Enumeration.mustache'), 'r') as f:
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86 TEMPLATE = f.read()
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87
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88
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89 classes = {}
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90 enumerations = {}
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91 globalFunctions = []
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2
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92 countAllFunctions = 0
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93 countSupportedFunctions = 0
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0
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94
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95 def IsSourceStringType(t):
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96 return (t.kind == clang.cindex.TypeKind.POINTER and
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97 t.get_pointee().kind == clang.cindex.TypeKind.CHAR_S and
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98 t.get_pointee().is_const_qualified())
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99
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100 def IsTargetStaticStringType(t):
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101 return (t.kind == clang.cindex.TypeKind.POINTER and
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102 t.get_pointee().kind == clang.cindex.TypeKind.CHAR_S and
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103 t.get_pointee().is_const_qualified())
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104
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105 def IsTargetDynamicStringType(t):
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106 return (t.kind == clang.cindex.TypeKind.POINTER and
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107 t.get_pointee().kind == clang.cindex.TypeKind.CHAR_S and
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108 not t.get_pointee().is_const_qualified())
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109
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110 def IsIntegerType(t):
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111 return (t.kind == clang.cindex.TypeKind.INT or
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112 t.spelling in [ 'int8_t', 'int16_t', 'int32_t', 'int64_t',
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113 'uint8_t', 'uint16_t', 'uint32_t', 'uint64_t'])
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114
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115 def IsFloatType(t):
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116 return t.kind == clang.cindex.TypeKind.FLOAT
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117
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118 def IsEnumerationType(t):
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119 return (t.kind == clang.cindex.TypeKind.TYPEDEF and
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120 t.spelling in enumerations)
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121
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122 def IsTargetMemoryBufferType(t):
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123 return (t.kind == clang.cindex.TypeKind.POINTER and
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124 not t.get_pointee().is_const_qualified() and
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125 t.get_pointee().spelling == 'OrthancPluginMemoryBuffer')
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126
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127 def IsSourceMemoryBufferType(t):
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128 return (t.kind == clang.cindex.TypeKind.POINTER and
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129 t.get_pointee().kind == clang.cindex.TypeKind.VOID and
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130 t.get_pointee().is_const_qualified())
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131
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132 def IsClassType(t):
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133 return (t.kind == clang.cindex.TypeKind.POINTER and
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134 ((t.get_pointee().is_const_qualified() and
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135 t.get_pointee().spelling.startswith('const ') and
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136 t.get_pointee().spelling[len('const '):] in classes) or
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137 (not t.get_pointee().is_const_qualified() and
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138 t.get_pointee().spelling in classes)))
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139
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140 def IsSimpleSourceType(t):
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141 return (IsSourceStringType(t) or
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142 IsFloatType(t) or
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143 IsIntegerType(t) or
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144 IsEnumerationType(t) or
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145 IsSourceMemoryBufferType(t))
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146
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147 def IsVoidType(t):
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148 return t.kind == clang.cindex.TypeKind.VOID
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149
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150 def IsSupportedTargetType(t):
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151 return (IsVoidType(t) or
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152 IsIntegerType(t) or
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153 IsEnumerationType(t) or
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154 # Constructor of a class
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155 (t.kind == clang.cindex.TypeKind.POINTER and
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156 not t.get_pointee().is_const_qualified() and
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157 t.get_pointee().spelling in classes) or
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158 # "const char*" or "char*" outputs
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159 (t.kind == clang.cindex.TypeKind.POINTER and
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160 #not t.get_pointee().is_const_qualified() and
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161 t.get_pointee().kind == clang.cindex.TypeKind.CHAR_S))
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162
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163 def IsBytesArgument(args, index):
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164 return (index + 1 < len(args) and
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165 args[index].type.kind == clang.cindex.TypeKind.POINTER and
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166 args[index].type.get_pointee().kind == clang.cindex.TypeKind.VOID and
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167 args[index].type.get_pointee().is_const_qualified() and
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168 args[index + 1].type.spelling == 'uint32_t')
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169
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170 def CheckOnlySupportedArguments(args):
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171 j = 0
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172 while j < len(args):
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173 if IsBytesArgument(args, j):
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174 j += 2
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175 elif IsSimpleSourceType(args[j].type):
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176 j += 1
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177 else:
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178 return False
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179 return True
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180
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181
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182 ORTHANC_TO_PYTHON_NUMERIC_TYPES = {
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183 # https://docs.python.org/3/c-api/arg.html#numbers
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184 'int' : {
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185 'type' : 'int',
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186 'format' : 'i',
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187 },
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188 'uint8_t' : {
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189 'type' : 'unsigned char',
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190 'format' : 'b',
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191 },
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192 'int32_t' : {
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193 'type' : 'long int',
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194 'format' : 'l',
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195 },
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196 'uint16_t' : {
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197 'type' : 'unsigned short',
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198 'format' : 'H',
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199 },
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200 'uint32_t' : {
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201 'type' : 'unsigned long',
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202 'format' : 'k',
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203 },
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204 'uint64_t' : {
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205 'type' : 'unsigned long long',
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206 'format' : 'K',
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207 },
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208 'float' : {
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209 'type' : 'float',
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210 'format' : 'f',
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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 def GenerateFunctionBodyTemplate(cFunction, result_type, args):
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216 if not cFunction.startswith('OrthancPlugin'):
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217 raise Exception()
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218
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219 func = {
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220 'c_function' : cFunction,
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221 'short_name' : cFunction[len('OrthancPlugin'):],
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222 'args' : [],
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223 }
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224
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225 if IsIntegerType(result_type):
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226 func['return_long'] = True
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227 elif IsTargetDynamicStringType(result_type):
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228 func['return_dynamic_string'] = True
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229 elif IsTargetStaticStringType(result_type):
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230 func['return_static_string'] = True
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231 elif IsVoidType(result_type):
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232 func['return_void'] = True
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233 elif result_type.spelling == 'OrthancPluginErrorCode':
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234 func['return_error'] = True
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235 elif IsClassType(result_type):
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236 func['return_object'] = result_type.get_pointee().spelling
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237 elif IsTargetMemoryBufferType(result_type):
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238 func['return_bytes'] = True
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239 elif IsEnumerationType(result_type):
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240 func['return_enumeration'] = result_type.spelling
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241 else:
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242 raise Exception('Not supported: %s' % result_type.spelling)
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243
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244 i = 0
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245 while i < len(args):
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246 a = {
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247 'name' : 'arg%d' % i,
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248 }
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249
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250 if (IsIntegerType(args[i].type) or
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251 IsFloatType(args[i].type)):
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252 t = ORTHANC_TO_PYTHON_NUMERIC_TYPES[args[i].type.spelling]
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253 a['python_type'] = t['type']
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254 a['python_format'] = t['format']
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255 a['initialization'] = ' = 0'
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256 a['orthanc_cast'] = 'arg%d' % i
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257 func['args'].append(a)
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258 elif IsSourceStringType(args[i].type):
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259 a['python_type'] = 'const char*'
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260 a['python_format'] = 's'
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261 a['initialization'] = ' = NULL'
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262 a['orthanc_cast'] = 'arg%d' % i
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263 func['args'].append(a)
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264 elif IsEnumerationType(args[i].type):
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265 a['python_type'] = 'long int'
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266 a['python_format'] = 'l'
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267 a['initialization'] = ' = 0'
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268 a['orthanc_cast'] = 'static_cast<%s>(arg%d)' % (args[i].type.spelling, i)
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269 func['args'].append(a)
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270 elif IsBytesArgument(args, i):
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271 a['python_type'] = 'Py_buffer'
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272 # In theory, one should use "y*" (this is the recommended
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273 # way to accept binary data). However, this is not
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274 # available in Python 2.7
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275 a['python_format'] = 's*'
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276 a['orthanc_cast'] = 'arg%d.buf, arg%d.len' % (i, i)
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277 a['release'] = 'PyBuffer_Release(&arg%d);' % i
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278 func['args'].append(a)
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279 i += 1
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280 elif IsSourceMemoryBufferType(args[i].type):
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281 a['python_type'] = 'Py_buffer'
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282 a['python_format'] = 's*'
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283 a['orthanc_cast'] = 'arg%d.buf' % i
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284 a['release'] = 'PyBuffer_Release(&arg%d);' % i
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285 func['args'].append(a)
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286 else:
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287 raise Exception('Not supported: %s, %s' % (cFunction, args[i].spelling))
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288
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289 i += 1
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290
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291 func['tuple_format'] = '"%s", %s' % (
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292 ''.join(map(lambda x: x['python_format'], func['args'])),
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293 ', '.join(map(lambda x: '&' + x['name'], func['args'])))
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294
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295 if len(func['args']) > 0:
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296 func['count_args'] = len(func['args'])
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297 func['has_args'] = True
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298 func['call_args'] = ', ' + ', '.join(map(lambda x: x['orthanc_cast'], func['args']))
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299
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300 return func
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301
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302
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303 for node in tu.cursor.get_children():
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304 if node.kind == clang.cindex.CursorKind.ENUM_DECL:
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305 if node.type.spelling.startswith('OrthancPlugin'):
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306 name = node.type.spelling
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307
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308 values = []
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309 for item in node.get_children():
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310 if (item.kind == clang.cindex.CursorKind.ENUM_CONSTANT_DECL and
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311 item.spelling.startswith(name + '_')):
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312 values.append({
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313 'key' : ToUpperCase(item.spelling[len(name)+1:]),
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314 'value' : item.enum_value
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315 })
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316
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317 path = 'sdk_%s.impl.h' % name
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318 shortName = name[len('OrthancPlugin'):]
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319
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320 with open(os.path.join(TARGET, path), 'w') as f:
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321 f.write(pystache.render(TEMPLATE, {
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322 'name' : name,
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323 'short_name' : shortName,
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324 'values' : values,
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325 }))
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326
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327 enumerations[name] = {
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328 'name' : name,
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329 'path' : path,
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330 }
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331
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332 elif node.kind == clang.cindex.CursorKind.FUNCTION_DECL:
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333 if node.spelling.startswith('OrthancPlugin'):
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334 #if node.spelling != 'OrthancPluginWorklistGetDicomQuery':
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335 # continue
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336 shortName = node.spelling[len('OrthancPlugin'):]
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337
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338 # Check that the first argument is the Orthanc context
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339 args = list(filter(lambda x: x.kind == clang.cindex.CursorKind.PARM_DECL,
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340 node.get_children()))
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341
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342 if (len(args) == 0 or
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343 args[0].type.kind != clang.cindex.TypeKind.POINTER or
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344 args[0].type.get_pointee().spelling != 'OrthancPluginContext'):
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345 print('Not in the Orthanc SDK: %s()' % node.spelling)
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346 continue
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347
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348 # Discard the context from the arguments
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2
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349 countAllFunctions += 1
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0
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350 args = args[1:]
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351
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352 if not IsSupportedTargetType(node.result_type):
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353 print('*** UNSUPPORTED OUTPUT: %s' % node.spelling)
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354
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355 elif (len(args) == 1 and
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356 IsClassType(args[0].type) and
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357 node.spelling.startswith('OrthancPluginFree')):
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358 print('Destructor: %s' % node.spelling)
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359 className = args[0].type.get_pointee().spelling
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360 classes[className]['destructor'] = node.spelling
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2
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361 countSupportedFunctions += 1
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0
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362
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363 elif CheckOnlySupportedArguments(args):
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364 if IsClassType(node.result_type):
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365 print('Constructor: %s' % node.spelling)
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366 else:
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367 print('Simple global function: %s => %s' % (node.spelling, node.result_type.spelling))
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368
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369 body = GenerateFunctionBodyTemplate(node.spelling, node.result_type, args)
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370 globalFunctions.append(body)
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2
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371 countSupportedFunctions += 1
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0
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372
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373 elif (len(args) >= 2 and
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374 IsTargetMemoryBufferType(args[0].type) and
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375 CheckOnlySupportedArguments(args[1:])):
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376 print('Simple global function, returning bytes: %s' % node.spelling)
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377
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378 body = GenerateFunctionBodyTemplate(node.spelling, args[0].type, args[1:])
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379 globalFunctions.append(body)
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2
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380 countSupportedFunctions += 1
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0
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381
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382 elif (IsClassType(args[0].type) and
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383 CheckOnlySupportedArguments(args[1:])):
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384 className = args[0].type.get_pointee().spelling
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385
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386 if className.startswith('const '):
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387 className = className[len('const '):]
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388
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389 print('Simple method of class %s: %s' % (className, node.spelling))
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390
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391 method = GenerateFunctionBodyTemplate(node.spelling, node.result_type, args[1:])
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392 method['self'] = ', self->object_'
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393 classes[className]['methods'].append(method)
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2
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394 countSupportedFunctions += 1
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0
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395
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396 elif (len(args) >= 2 and
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397 IsTargetMemoryBufferType(args[0].type) and
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398 IsClassType(args[1].type) and
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399 CheckOnlySupportedArguments(args[2:])):
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400 print('Simple method of class %s, returning bytes: %s' % (
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31
|
401 args[1].type.get_pointee().spelling,
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0
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402 node.spelling))
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403
|
|
31
|
404 className = args[1].type.get_pointee().spelling
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405
|
|
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406 if className.startswith('const '):
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407 className = className[len('const '):]
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|
408
|
|
0
|
409 method = GenerateFunctionBodyTemplate(node.spelling, args[0].type, args[2:])
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410 method['self'] = ', self->object_'
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|
|
411 classes[className]['methods'].append(method)
|
|
2
|
412 countSupportedFunctions += 1
|
|
0
|
413
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|
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414 else:
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415 print('*** UNSUPPORTED INPUT: %s' % node.spelling)
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416
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|
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417
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|
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418
|
|
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419 elif node.kind == clang.cindex.CursorKind.STRUCT_DECL:
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420 if (node.spelling.startswith('_OrthancPlugin') and
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421 node.spelling.endswith('_t') and
|
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|
422 node.spelling != '_OrthancPluginContext_t'):
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|
423 name = node.spelling[len('_') : -len('_t')]
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424 classes[name] = {
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425 'class_name' : name,
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|
426 'short_name' : name[len('OrthancPlugin'):],
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|
|
427 'methods' : [ ]
|
|
|
428 }
|
|
|
429
|
|
|
430
|
|
|
431
|
|
|
432
|
|
|
433 partials = {}
|
|
|
434
|
|
|
435 with open(os.path.join(ROOT, 'FunctionBody.mustache'), 'r') as f:
|
|
|
436 partials['function_body'] = f.read()
|
|
|
437
|
|
|
438 renderer = pystache.Renderer(
|
|
|
439 escape = lambda u: u, # No escaping
|
|
|
440 partials = partials,
|
|
|
441 )
|
|
|
442
|
|
|
443 with open(os.path.join(ROOT, 'Class.mustache'), 'r') as f:
|
|
|
444 template = f.read()
|
|
|
445
|
|
|
446 for (key, value) in classes.items():
|
|
|
447 with open(os.path.join(TARGET, 'sdk_%s.impl.h' % value['class_name']), 'w') as h:
|
|
|
448 h.write(renderer.render(template, value))
|
|
|
449
|
|
|
450
|
|
|
451 def FlattenDictionary(source):
|
|
|
452 result = []
|
|
|
453 for (key, value) in source.items():
|
|
|
454 result.append(value)
|
|
|
455 return result
|
|
|
456
|
|
|
457
|
|
|
458 with open(os.path.join(ROOT, 'GlobalFunctions.mustache'), 'r') as f:
|
|
|
459 with open(os.path.join(TARGET, 'sdk_GlobalFunctions.impl.h'), 'w') as h:
|
|
|
460 h.write(renderer.render(f.read(), {
|
|
|
461 'global_functions' : globalFunctions,
|
|
|
462 }))
|
|
|
463
|
|
|
464 with open(os.path.join(ROOT, 'sdk.cpp.mustache'), 'r') as f:
|
|
|
465 with open(os.path.join(TARGET, 'sdk.cpp'), 'w') as h:
|
|
|
466 h.write(renderer.render(f.read(), {
|
|
|
467 'classes' : FlattenDictionary(classes),
|
|
|
468 'enumerations' : FlattenDictionary(enumerations),
|
|
|
469 'global_functions' : globalFunctions,
|
|
|
470 }))
|
|
|
471
|
|
|
472 with open(os.path.join(ROOT, 'sdk.h.mustache'), 'r') as f:
|
|
|
473 with open(os.path.join(TARGET, 'sdk.h'), 'w') as h:
|
|
|
474 h.write(renderer.render(f.read(), {
|
|
|
475 'classes' : FlattenDictionary(classes),
|
|
|
476 }))
|
|
2
|
477
|
|
|
478
|
|
|
479 print('')
|
|
|
480 print('Total functions in the SDK: %d' % countAllFunctions)
|
|
|
481 print('Total supported functions: %d' % countSupportedFunctions)
|
|
|
482 print('Coverage: %.0f%%' % (float(countSupportedFunctions) /
|
|
|
483 float(countAllFunctions) * 100.0))
|
