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# Unix SMB/CIFS implementation.
# Copyright (C) 2014 Catalyst.Net Ltd
#
# Auto generate param_functions.c
#
# ** NOTE! The following LGPL license applies to the ldb
# ** library. This does NOT imply that all of Samba is released
# ** under the LGPL
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 3 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, see <http://www.gnu.org/licenses/>.
#
import errno
import os
import re
import subprocess
import xml.etree.ElementTree as ET
import sys
import optparse
# parse command line arguments
parser = optparse.OptionParser()
parser.add_option("-f", "--file", dest="filename",
help="input file", metavar="FILE")
parser.add_option("-o", "--output", dest="output",
help='output file', metavar="FILE")
parser.add_option("--mode", type="choice", metavar="<FUNCTIONS>",
choices=["FUNCTIONS"], default="FUNCTIONS")
(options, args) = parser.parse_args()
if options.filename is None:
parser.error("No input file specified")
if options.output is None:
parser.error("No output file specified")
def iterate_all(path):
"""Iterate and yield all the parameters.
:param path: path to parameters xml file
"""
try:
p = open(path, 'r')
except IOError, e:
raise Exception("Error opening parameters file")
out = p.read()
# parse the parameters xml file
root = ET.fromstring(out)
for parameter in root:
name = parameter.attrib.get("name")
param_type = parameter.attrib.get("type")
context = parameter.attrib.get("context")
func = parameter.attrib.get("function")
synonym = parameter.attrib.get("synonym")
removed = parameter.attrib.get("removed")
generated = parameter.attrib.get("generated_function")
if synonym == "1" or removed == "1" or generated == "0":
continue
constant = parameter.attrib.get("constant")
parm = parameter.attrib.get("parm")
if name is None or param_type is None or context is None:
raise Exception("Error parsing parameter: " + name)
if func is None:
func = name.replace(" ", "_").lower()
yield {'name': name,
'type': param_type,
'context': context,
'function': func,
'constant': (constant == '1'),
'parm': (parm == '1')}
# map doc attributes to a section of the generated function
context_dict = {"G": "_GLOBAL", "S": "_LOCAL"}
param_type_dict = {"boolean": "_BOOL", "list": "_LIST", "string": "_STRING",
"integer": "_INTEGER", "enum": "_INTEGER", "char" : "_CHAR",
"boolean-auto": "_INTEGER"}
f = open(options.output, 'w')
try:
for parameter in iterate_all(options.filename):
# filter out parameteric options
if ':' in parameter['name']:
continue
output_string = "FN"
temp = context_dict.get(parameter['context'])
if temp is None:
raise Exception(parameter['name'] + " has an invalid context " + parameter['context'])
output_string += temp
if parameter['constant']:
output_string += "_CONST"
if parameter['parm']:
output_string += "_PARM"
temp = param_type_dict.get(parameter['type'])
if temp is None:
raise Exception(parameter['name'] + " has an invalid param type " + parameter['type'])
output_string += temp
f.write(output_string + "(" + parameter['function'] +", " + parameter['function'] + ')\n')
finally:
f.close()
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