Tools/fcd2code/OptionHandler.py

   1
   2 import optparse;
   3
   4 class OptionHandler:
   5     """ Support for command line options.
   6     """
   7
   8     #### class member
   9     #  m_options -- option object (returned by optparse.parse_args)
  10     #  m_args    -- arguments list (returned by optparse.parse_args)
  11     #  m_parser  -- option parser
  12
  13     m_options = None;
  14     m_args = None;
  15     m_parser = None;
  16
  17     def getOptionActive(optionName):
  18         """ Returns true if the given option is active
  19         """
  20         if optionName in OptionHandler.m_options.__dict__:
  21             optionVal = OptionHandler.m_options.__dict__[optionName];
  22
  23             if (optionVal != None) and (optionVal != False):
  24                 return True;
  25
  26         return False;
  27
  28     getOptionActive = staticmethod(getOptionActive);
  29
  30     def getOptionArg(optionName):
  31         """ Returns the argument of an option
  32         """
  33         if optionName in OptionHandler.m_options.__dict__:
  34             return OptionHandler.m_options.__dict__[optionName];
  35
  36         return None;
  37
  38     getOptionArg = staticmethod(getOptionArg);
  39
  40     def getOptionList():
  41         """ Low level access to the options dictionary.
  42         """
  43         return OptionHandler.m_options;
  44
  45     getOptionList = staticmethod(getOptionList);
  46
  47     def getArgList():
  48         """ Low level access to the arguments list.
  49         """
  50         return OptionHandler.m_args;
  51
  52     getArgList = staticmethod(getArgList);
  53
  54     def setup():
  55         """ Setup option parser
  56         """
  57         if OptionHandler.m_parser != None:
  58             print "WARNING: OptionHandler.setup: Called twice.";
  59             return;
  60
  61         OptionHandler.m_parser = optparse.OptionParser();
  62
  63         OptionHandler.m_parser.add_option(
  64             "-d", "--fcd-file",
  65             action="store",
  66             type="string",
  67             dest="fcdFile",
  68             help="FieldContainer description file.",
  69             metavar="file.fcd");
  70
  71         OptionHandler.m_parser.add_option(
  72             "-b", "--write-base",
  73             action="store_true",
  74             dest="writeBase",
  75             help="write the FieldContainerBase files. [default: false].");
  76
  77         OptionHandler.m_parser.add_option(
  78             "-f", "--write-fc",
  79             action="store_true",
  80             dest="writeFC",
  81             help="write the FieldContainer files. [default: false].");
  82
  83         OptionHandler.m_parser.add_option(
  84             "-p", "--out-path",
  85             action="store",
  86             type="string",
  87             dest="outPath",
  88             help="destination path for files.",
  89             metavar="PATH");
  90
  91         OptionHandler.m_parser.add_option(
  92             "-r", "--root-path",
  93             action="store",
  94             type="string",
  95             dest="rootPath",
  96             help="root of the OpenSG source tree.",
  97             metavar="PATH");
  98
  99         OptionHandler.m_parser.add_option(
 100             "-t", "--template-path",
 101             action="store",
 102             type="string",
 103             dest="templatePath",
 104             help="path to where the fcd2code templates are stored.",
 105             metavar="PATH");
 106
 107         OptionHandler.m_parser.add_option(
 108             "-v", "--verbose",
 109             action="store_true",
 110             dest="verbose",
 111             help="print diagnostic messages. [default: false].");
 112
 113         OptionHandler.m_parser.add_option(
 114             "-c", "--compat-mode",
 115             action="store_true",
 116             dest="compatMode",
 117             help="enable 1.x compatibility mode. [default: false].");
 118
 119         OptionHandler.m_parser.add_option(
 120             "-B", "--bundle",
 121             action="store_true",
 122             dest="bundleMode",
 123             help="create field bundle. [default: false].");
 124
 125         OptionHandler.m_parser.set_defaults(writeBase=False);
 126         OptionHandler.m_parser.set_defaults(writeFC=False);
 127         OptionHandler.m_parser.set_defaults(verbose=False);
 128
 129     setup = staticmethod(setup);
 130
 131     def parse(args):
 132         """ Parse command line arguments.
 133         """
 134         if OptionHandler.m_parser == None:
 135             print "WARNING: OptionHandler.parse: no parser, run setup first.";
 136             return;
 137
 138         (options, args) = OptionHandler.m_parser.parse_args(args);
 139
 140         OptionHandler.m_options = options;
 141         OptionHandler.m_args    = args;
 142
 143     parse = staticmethod(parse);