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                 interfaceName = ""
  21                 def __init__(self, ifaceName):
  22                         self.interfaceName = ifaceName
  23                 def __repr__(self):
  24                         return "Member"
  25                 def toString(self):
  26                         return "{" + self.ambName + " => " + self.memberName + "}"
  27                 def toIdl(self):
  28                         idl = []
  29                         idl.append('')
  30                         idl.append('\t/*!')
  31                         idl.append('\t * \\brief corresponds with DBus property ' + self.memberName + ' for interface org.automotive.' + self.interfaceName)
  32                         idl.append('\t * AMB fulfills this member with VehicleProperty::' + self.ambName)
  33                         idl.append('\t */')
  34                         idl.append('\tconst DOMString ' + self.ambName + ' = "' + self.memberName + '";\n')
  35                         return '\n'.join(idl)
  36
  37 class Interface:
  38                 def __init__(self):
  39                         self.name = ""
  40                         self.members = []
  41                 def __repr__(self):
  42                         return "Interface('" + name + "')"
  43                 def toString(self):
  44                         output = self.name + ":"
  45                         for member in self.members:
  46                                 output += member.toString() + ","
  47                         return output
  48                 def toIdl(self):
  49                         output = "/*! \n * \\brief Corresponds with DBus Interface org.automotive." + self.name + "\n */\ninterface " + self.name + " {\n"
  50                         for member in self.members:
  51                                 output += member.toIdl()
  52                         output += "\n};\n"
  53                         return output
  54
  55 for input in args.mappingFiles:
  56         try: file = open(input)
  57         except IOError:
  58                         print "Failed to open " + input
  59         with file:
  60                         for line in file:
  61                                         i = line.find("DBusSink(\"");
  62                                         if i != -1:
  63                                                         interface = Interface()
  64                                                         ifaceNameBeg = line.find('("')
  65                                                         ifaceNameEnd = line.find('",')
  66                                                         interface.name = line[ifaceNameBeg+2 : ifaceNameEnd]
  67                                                         interfaces.append(interface)
  68                                         wantPropertyVariant = 'wantPropertyVariant('
  69                                         i = line.find(wantPropertyVariant)
  70                                         if i!= -1:
  71                                                         member = Member(interfaces[-1].name)
  72                                                         ambNameEnd = line.find(', "')-2
  73                                                         member.ambName = line[i+len(wantPropertyVariant) : i + ambNameEnd].replace("VehicleProperty::", "")
  74                                                         memberNameBeg = line.find(', "')+3
  75                                                         memberNameEnd = line.find('",')
  76                                                         member.memberName = line[memberNameBeg : memberNameEnd]
  77                                                         interfaces[-1].members.append(member)
  78                         file.close()
  79
  80 try: outputFile = open(args.output, 'w')
  81 except IOError:
  82                 print "Error could not open output file: " + args.output
  83 with outputFile:
  84         header =("/*!\n"
  85                 " * \\name AMB to AMB-DBus Mapping Tables\n"
  86                 " * \\file " + os.path.basename(args.output) + "\n"
  87                 " * \\brief This describes the AMB internal property names to AMB DBus interface property names\n"
  88                 " * AMB internal property names are designed to be flat variable names (ie, 'ConvertableRoofStatus').  The DBus\n"
  89                 " * 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"
  90                 " * The pattern each interface is 'const DOMString AMBProperty = DBusProperty' where 'AMBProperty' is the internal name and 'DBusProperty' is the DBus property name.\n"
  91                 " *\n"
  92                 " * For documentation on the interface and members, please see the \ref dbus_api.\n")
  93         header += " */\n\n"
  94         outputFile.write(header)
  95         for iface in interfaces:
  96                 outputFile.write(iface.toIdl())
  97                 outputFile.write("\n")
  98         outputFile.close()
  99
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