/util/fixwhite
Python | 83 lines | 50 code | 5 blank | 28 comment | 4 complexity | 9d2a4cab1f200ce75dc92907d0a21a73 MD5 | raw file
Possible License(s): BSD-3-Clause, LGPL-2.1
- #! /usr/bin/env python
- # Copyright (c) 2006 The Regents of The University of Michigan
- # 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;
- # neither the name of the copyright holders nor the names of its
- # 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 COPYRIGHT
- # OWNER 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.
- #
- # Authors: Nathan Binkert
- import re
- import os
- import sys
- from getopt import getopt, GetoptError
- tabs = re.compile(r'^[ \t]+')
- def fixwhite(filename, tabsize):
- try:
- f = file(filename, 'r+')
- except OSError, msg:
- print 'could not open file %s: %s' % (filename, msg)
- return
- lines = list(f)
- f.seek(0)
- f.truncate()
-
- for line in lines:
- if tabs.search(line):
- newline = ''
- for i,c in enumerate(line):
- if c == ' ':
- newline += ' '
- elif c == '\t':
- newline += ' ' * (tabsize - len(newline) % tabsize)
- else:
- newline += line[i:]
- break
- line = newline
- print >>f, line.rstrip()
- if __name__ == '__main__':
- progname = sys.argv[0]
- def usage(code=None):
- print >>sys.stderr, '''%s [-t <tabsize>] <filenames>''' % progname
- if code is not None:
- sys.exit(code)
- try:
- opts, args = getopt(sys.argv[1:], '-t:')
- except GetoptError:
- usage(2)
- tabsize = 8
- for opt,arg in opts:
- if opt == '-t':
- tabsize = int(arg)
- for filename in args:
- fixwhite(filename, tabsize)