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# Copyright 2013, Big Switch Networks, Inc.
#
# LoxiGen is licensed under the Eclipse Public License, version 1.0 (EPL), with
# the following special exception:
#
# LOXI Exception
#
# As a special exception to the terms of the EPL, you may distribute libraries
# generated by LoxiGen (LoxiGen Libraries) under the terms of your choice, provided
# that copyright and licensing notices generated by LoxiGen are not altered or removed
# from the LoxiGen Libraries and the notice provided below is (i) included in
# the LoxiGen Libraries, if distributed in source code form and (ii) included in any
# documentation for the LoxiGen Libraries, if distributed in binary form.
#
# Notice: "Copyright 2013, Big Switch Networks, Inc. This library was generated by the LoxiGen Compiler."
#
# You may not use this file except in compliance with the EPL or LOXI Exception. You may obtain
# a copy of the EPL at:
#
# http://www.eclipse.org/legal/epl-v10.html
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# EPL for the specific language governing permissions and limitations
# under the EPL.
from optparse import OptionParser
from loxi_globals import OFVersions
##@var config_default
# The default configuration dictionary for LOXI code generation
options_default = {
"lang" : "c",
"version-list" : "1.0 1.1 1.2 1.3 1.4 1.5",
"install-dir" : "loxi_output",
}
def lang_normalize(lang):
"""
Normalize the representation of the language
"""
return lang.lower()
def version_list_normalize(vlist):
"""
Normalize the version list and return as an array
"""
out_list = []
# @fixme Map to OF version references
if vlist.find(',') > 0:
vlist = vlist.split(',')
else:
vlist = vlist.split()
vlist.sort()
for ver in vlist:
try:
out_list.append(OFVersions.from_string(ver))
except KeyError:
sys.stderr.write("Bad version input, %s" % str(ver))
sys.exit(1)
return out_list
def process_commandline(default_vals=options_default):
"""
Set up the options dictionary
@param cfg_dflt The default configuration dictionary
@return A pair (options, args) as per parser return
"""
parser = OptionParser(version="%prog 0.1")
#@todo Add options via dictionary
parser.add_option("--list-files", action="store_true", default=False,
help="List output files generated")
parser.add_option("-l", "--lang", "--language",
default=default_vals["lang"],
help="Select the target language: c, python")
parser.add_option("-i", "--install-dir",
default=default_vals["install-dir"],
help="Directory to install generated files to (default %s)" % default_vals["install-dir"])
parser.add_option("-v", "--verbose",
action="store_true", default=False,
help="Debug output")
parser.add_option("-V", "--version-list",
default=default_vals["version-list"],
help="Specify the versions to target as 1.0 1.1 etc")
(options, args) = parser.parse_args()
options.lang = lang_normalize(options.lang)
target_version_list = version_list_normalize(options.version_list)
target_version_list.sort()
return (options, args, target_version_list)