tools/genmapping.py

   1 #!/usr/bin/python
   2
   3 import os
   4 import argparse
   5
   6 parser = argparse.ArgumentParser(description='Process DBus mappings.')
   7 parser.add_argument('mappingFiles', metavar='N', nargs='+',
   8                         help='dbus headers to find mappings in')
   9 parser.add_argument('--output', dest='output',
  10                         help='output file to write idl to')
  11 args = parser.parse_args()
  12 print "parsing"
  13 print args.mappingFiles
  14
  15 interfaces = []
  16
  17 class Member:
  18                 ambName = ""
  19                 memberName = ""
  20
  21                 def __repr__(self):
  22                         return "Member"
  23                 def toString(self):
  24                         return "{" + self.ambName + " => " + self.memberName + "}"
  25                 def toIdl(self):
  26                         return '  const DOMString ' + self.ambName + ' = "' + self.memberName + '";\n'
  27
  28 class Interface:
  29                 def __init__(self):
  30                         self.name = ""
  31                         self.members = []
  32                 def __repr__(self):
  33                         return "Interface('" + name + "')"
  34                 def toString(self):
  35                         output = self.name + ":"
  36                         for member in self.members:
  37                                 output += member.toString() + ","
  38                         return output
  39                 def toIdl(self):
  40                         output = "interface " + self.name + " {\n"
  41                         for member in self.members:
  42                                 output += member.toIdl()
  43                         output += "\n};\n"
  44                         return output
  45
  46 for input in args.mappingFiles:
  47         try: file = open(input)
  48         except IOError:
  49                         print "Failed to open " + input
  50         with file:
  51                         for line in file:
  52                                         i = line.find("DBusSink(\"");
  53                                         if i != -1:
  54                                                         interface = Interface()
  55                                                         ifaceNameBeg = line.find('("')
  56                                                         ifaceNameEnd = line.find('",')
  57                                                         interface.name = line[ifaceNameBeg+2 : ifaceNameEnd]
  58                                                         interfaces.append(interface)
  59                                         wantPropertyVariant = 'wantPropertyVariant('
  60                                         i = line.find(wantPropertyVariant)
  61                                         if i!= -1:
  62                                                         member = Member()
  63                                                         ambNameEnd = line.find(', "')-2
  64                                                         member.ambName = line[i+len(wantPropertyVariant) : i + ambNameEnd].replace("VehicleProperty::", "")
  65                                                         memberNameBeg = line.find(', "')+3
  66                                                         memberNameEnd = line.find('",')
  67                                                         member.memberName = line[memberNameBeg : memberNameEnd]
  68                                                         interfaces[-1].members.append(member)
  69                         file.close()
  70
  71 try: outputFile = open(args.output, 'w')
  72 except IOError:
  73                 print "Error could not open output file: " + args.output
  74 with outputFile:
  75         header =("/*!\n"
  76                 " * \\name AMB to AMB-DBus Mapping Tables\n"
  77                 " * \\file " + os.path.basename(args.output) + "\n"
  78                 " * \\brief This describes the AMB internal property names to AMB DBus interface property names\n"
  79                 " * AMB internal property names are designed to be flat variable names (ie, 'ConvertableRoofStatus').  The DBus\n"
  80                 " * properties however follow the naming scheme defined in the W3C automotive business group vehicle <a href='http://w3c.github.io/automotive-bg/data_spec.html'>data specification</a>\n"
  81                 " * The pattern each interface is 'const DOMString AMBProperty = DBusProperty' where 'AMBProperty' is the internal name and 'DBusProperty' is the DBus property name")
  82         header += " */\n\n"
  83         outputFile.write(header)
  84         for iface in interfaces:
  85                 outputFile.write(iface.toIdl())
  86                 outputFile.write("\n")
  87         outputFile.close()
  88
  89
  90