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#!/usr/bin/env python3
# -*- encoding: utf-8
## pp-indent - Filter to apply indentation to preprocessor statements
##
## Copyright ©2013 Ben Longbons <b.r.longbons@gmail.com>
##
## This file is part of The Mana World (Athena server)
##
## This program is free software: you can redistribute it and/or modify
## it under the terms of the GNU General Public License as published by
## the Free Software Foundation, either version 3 of the License, or
## (at your option) any later version.
##
## This program 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 General Public License for more details.
##
## You should have received a copy of the GNU General Public License
## along with this program. If not, see <http://www.gnu.org/licenses/>.
# Settings.
pre_indent = ''
post_indent = ' '
rules = {
'if': (0, 1),
'ifdef': (0, 1),
'ifndef': (0, 1),
'else': (-1, 1),
'elif': (-1, 1),
'endif': (-1, 0),
'define_h': (-1, 1),
}
import sys
depth = 0
for line in sys.stdin:
sline = line.lstrip()
if not sline.startswith('#'):
sys.stdout.write(line)
continue
line = sline[1:].lstrip()
if not line:
sys.stdout.write('\n')
continue
word = line.split(None, 1)[0]
if word == 'define' and line.endswith('_HPP\n'):
word = 'define_h'
pre, post = rules.get(word, (0, 0))
depth += pre
sys.stdout.writelines([depth * pre_indent, '#', depth * post_indent, line])
depth += post
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