#! /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)