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#*****************************************************************************#
#* *#
#* Copyright (c) 2002, Peter Shannon *#
#* All rights reserved. *#
#* *#
#* Redistribution and use in source and binary forms, with or without *#
#* modification, are permitted provided that the following conditions *#
#* are met: *#
#* *#
#* * Redistributions of source code must retain the above *#
#* copyright notice, this list of conditions and the following *#
#* disclaimer. *#
#* *#
#* * Redistributions in binary form must reproduce the above *#
#* copyright notice, this list of conditions and the following *#
#* disclaimer in the documentation and/or other materials *#
#* provided with the distribution. *#
#* *#
#* * The name of the contributors may be used to endorse or promote *#
#* products derived from this software without specific prior *#
#* written permission. *#
#* *#
#* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS *#
#* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT *#
#* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS *#
#* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS *#
#* OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, *#
#* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT *#
#* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, *#
#* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY *#
#* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT *#
#* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE *#
#* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. *#
#* *#
#*****************************************************************************#
import string, re, types, pprint
# for people out there who, like me, hate regexs(too easy to make mistakes
# with) I apologise profusely!
class Parser:
def __init__(self, filename):
self.file = filename
self.handle = open(self.file)
self.whiteMatch = re.compile(r'^\s*')
self.hashMatch = re.compile(r'^#.*')
self.warningMatch = re.compile(r'^Warning')
self.oidNameMatch = re.compile(r'(^[\w\-\.\? ]*)(?:\([\w\-# ]*\)\s?)?(?:\()([\d ]*)(?:\))')
self.oidMatch = re.compile(r'(?:^OID = )(.*)')
self.commentMatch = re.compile(r'(?:^Comment = )(.*)')
self.descriptionMatch = re.compile(r'(?:^Description = )(.*)')
self.oids = {}
self.objs = {}
self.__parse()
def __update(self, dict, line):
m = self.oidMatch.match( line )
if m:
dict['hexoid'] = m.group(1)
return 0
else:
m = self.commentMatch.match( line )
if m:
dict['comment'] = m.group(1)
return 0
else:
m = self.descriptionMatch.match( line )
if m:
dict['description'] = m.group(1)
n = self.oidNameMatch.match( m.group(1) )
dict['name'] = string.strip( n.group(1) )
dict['oid'] = tuple( map(int, string.split( n.group(2), ' ') ) )
return 0
else:
m = self.warningMatch.match( line )
if m:
return 1
else:
m = self.whiteMatch.match( line )
if m:
return 0
else:
m = self.hashMatch.match( line )
if m:
return 0
else:
raise Exception, 'unhandled pattern'
def __parse(self):
line = self.handle.readline()
dict = {}
complete = None
while line:
warning = self.__update( dict, line )
if warning:
complete = None
elif complete:
self.objs[ complete['name'] ] = complete
self.oids[ complete['oid'] ] = complete
complete = None
if len(dict) == 5:
complete = dict
dict = {}
line = self.handle.readline()
def dumpobjs(self, path):
file = open(path, 'w')
file.write('data = ')
pprint.pprint( self.objs, file )
file.close()
def dumpoids(self, path):
file = open(path, 'w')
file.write('data = ')
pprint.pprint( self.oids, file )
file.close()
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