diff options
-rw-r--r-- | src/mapi/glapi/gen/gl_table.py | 70 |
1 files changed, 33 insertions, 37 deletions
diff --git a/src/mapi/glapi/gen/gl_table.py b/src/mapi/glapi/gen/gl_table.py index 32456250dc..30903fd8f6 100644 --- a/src/mapi/glapi/gen/gl_table.py +++ b/src/mapi/glapi/gen/gl_table.py @@ -26,8 +26,7 @@ # Authors: # Ian Romanick <idr@us.ibm.com> -import sys -import getopt +import argparse import gl_XML import license @@ -203,45 +202,42 @@ class PrintRemapTable(gl_XML.gl_print_base): return -def show_usage(): - print "Usage: %s [-f input_file_name] [-m mode] [-c ver]" % sys.argv[0] - print " -m mode Mode can be 'table' or 'remap_table'." - print " -c ver Version can be 'es1' or 'es2'." - sys.exit(1) +def _parser(): + """Parse arguments and return a namespace.""" + parser = argparse.ArgumentParser() + parser.add_argument('-f', '--filename', + type=gl_XML.parse_GL_API, + default='gl_API.xml', + metavar="input_file_name", + dest='api', + help="Path to an XML description of OpenGL API.") + parser.add_argument('-m', '--mode', + choices=['table', 'remap_table'], + default='table', + metavar="mode", + help="Generate either a table or a remap_table") + parser.add_argument('-c', '--es-version', + choices=[None, 'es1', 'es2'], + default=None, + metavar="ver", + dest='es', + help="filter functions for es") + return parser.parse_args() def main(): """Main function.""" - file_name = "gl_API.xml" - - try: - args, _ = getopt.getopt(sys.argv[1:], "f:m:c:") - except Exception: - show_usage() - - mode = "table" - es = None - for (arg, val) in args: - if arg == "-f": - file_name = val - elif arg == "-m": - mode = val - elif arg == "-c": - es = val - - if mode == "table": - printer = PrintGlTable(es) - elif mode == "remap_table": - printer = PrintRemapTable(es) - else: - show_usage() - - api = gl_XML.parse_GL_API(file_name) - - if es is not None: - api.filter_functions_by_api(es) - - printer.Print(api) + args = _parser() + + if args.mode == "table": + printer = PrintGlTable(args.es) + elif args.mode == "remap_table": + printer = PrintRemapTable(args.es) + + if args.es is not None: + args.api.filter_functions_by_api(args.es) + + printer.Print(args.api) if __name__ == '__main__': |