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#!/usr/bin/env python3
# Copyright (c) 2016 Comcast Cable Communications Management, LLC.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at:
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# Filter for .c files to make various preprocessor tricks Doxygenish
import os
import re
import sys
if len(sys.argv) < 2:
sys.stderr.write("Usage: %s <filename>\n" % (sys.argv[0]))
sys.exit(1)
replace_patterns = [
# Search for CLIB_PAD_FROM_TO(...); and replace with padding
# #define CLIB_PAD_FROM_TO(from,to) u8 pad_##from[(to) - (from)]
(re.compile(r"(?P<m>CLIB_PAD_FROM_TO)\s*[(](?P<from>[^,]+),"
r"\s*(?P<to>[^)]+)[)]"),
r"/** Padding. */ u8 pad_\g<from>[(\g<to>) - (\g<from>)]"),
]
filename = sys.argv[1]
cwd = os.getcwd()
if filename[0:len(cwd)] == cwd:
filename = filename[len(cwd):]
if filename[0] == "/":
filename = filename[1:]
with open(filename) as fd:
line_num = 0
for line in fd:
line_num += 1
str = line[:-1] # filter \n
# Look for search/replace patterns
for p in replace_patterns:
str = p[0].sub(p[1], str)
sys.stdout.write(str+"\n")
# All done
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