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#!/usr/bin/env python
import sys;
import os;
import re;
from sets import Set
filename = sys.argv[1]
inPlace = False
if "-i" in sys.argv:
inPlace = True
filename_base = os.path.basename(filename)
(filename_name, filename_ext) = os.path.splitext(filename_base)
c_stdlib_headers = Set(["assert.h", "limits.h", "signal.h", "stdlib.h", "ctype.h", "locale.h", "stdarg.h", "string.h", "errno.h", "math.h", "stddef.h", "time.h", "float.h", "setjmp.h", "stdio.h", "iso646.h", "wchar.h", "wctype.h", "complex.h", "inttypes.h", "stdint.h", "tgmath.h", "fenv.h", "stdbool.h"])
cpp_stdlib_headers = Set(["algorithm", "fstream", "list", "regex", "typeindex", "array", "functional", "locale", "set", "typeinfo", "atomic", "future", "map", "sstream", "type_traits", "bitset", "initializer_list", "memory", "stack", "unordered_map", "chrono", "iomanip", "mutex", "stdexcept", "unordered_set", "codecvt", "ios", "new", "streambuf", "utility", "complex", "iosfwd", "numeric", "string", "valarray", "condition_variable", "iostream", "ostream", "strstream", "vector", "deque", "istream", "queue", "system_error", "exception", "iterator", "random", "thread", "forward_list", "limits", "ratio", "tuple", "cassert", "ciso646", "csetjmp", "cstdio", "ctime", "cctype", "climits", "csignal", "cstdlib", "cwchar", "cerrno", "clocale", "cstdarg", "cstring", "cwctype", "cfloat", "cmath", "cstddef"])
class HeaderType:
PRAGMA_ONCE, CORRESPONDING_HEADER, C_STDLIB, CPP_STDLIB, BOOST, QT, SWIFTEN_BASE_DEBUG, OTHER, SWIFTEN, LIMBER, SLIMBER, SWIFT_CONTROLLERS, SLUIFT, SWIFTOOLS, SWIFT = range(15)
def findHeaderBlock(lines):
start = False
end = False
lastLine = None
for idx, line in enumerate(lines):
if not start and line.startswith("#"):
start = idx
elif start and (not end) and (not line.startswith("#")) and line.strip():
end = idx-1
break
if not end:
end = len(lines)
return (start, end)
def lineToFileName(line):
match = re.match( r'#include "(.*)"', line)
if match:
return match.group(1)
match = re.match( r'#include <(.*)>', line)
if match:
return match.group(1)
return False
def fileNameToHeaderType(name):
if name.endswith("/" + filename_name + ".h"):
return HeaderType.CORRESPONDING_HEADER
if name in c_stdlib_headers:
return HeaderType.C_STDLIB
if name in cpp_stdlib_headers:
return HeaderType.CPP_STDLIB
if name.startswith("boost"):
return HeaderType.BOOST
if name.startswith("Q"):
return HeaderType.QT
if name.startswith("Swiften/Base/Debug.h"):
return HeaderType.SWIFTEN_BASE_DEBUG
if name.startswith("Swiften"):
return HeaderType.SWIFTEN
if name.startswith("Limber"):
return HeaderType.LIMBER
if name.startswith("Slimber"):
return HeaderType.SLIMBER
if name.startswith("Swift/Controllers"):
return HeaderType.SWIFT_CONTROLLERS
if name.startswith("Sluift"):
return HeaderType.SLUIFT
if name.startswith("SwifTools"):
return HeaderType.SWIFTOOLS
if name.startswith("Swift"):
return HeaderType.SWIFT
return HeaderType.OTHER
def serializeHeaderGroups(groups):
headerList = []
for group in range(0, HeaderType.SWIFT + 1):
if group in groups:
# sorted and without duplicates
headers = sorted(list(set(groups[group])))
headerList.extend(headers)
headerList.extend(["\n"])
headerList.pop()
return headerList
def overwriteFile(filename, content):
with open(filename, 'w') as f:
for line in content:
f.write(line)
def cleanHeaderFile(content, headerStart, headerEnd, headerGroups):
del content[headerStart:headerEnd]
newHeaders = serializeHeaderGroups(headerGroups)
content[headerStart:1] = newHeaders
if inPlace :
overwriteFile(filename, content)
else :
for line in content:
print line,
def cleanImplementationFile(content, headerStart, headerEnd, headerGroups):
del content[headerStart:headerEnd]
newHeaders = serializeHeaderGroups(headerGroups)
content[headerStart:1] = newHeaders
if inPlace :
overwriteFile(filename, content)
else :
for line in content:
print line,
containsComplexPreprocessorDirectives = False
with open(filename) as f:
content = f.readlines()
(headerStart, headerEnd) = findHeaderBlock(content)
headerGroups = {}
for line in content[headerStart:headerEnd]:
if line.strip():
if line.strip().startswith("#pragma once"):
headerType = HeaderType.PRAGMA_ONCE
elif line.strip().startswith("#if") or line.strip().startswith("#def") or line.strip().startswith("#undef") or line.strip().startswith("#pragma "):
containsComplexPreprocessorDirectives = True
break
else:
#print line
headerType = fileNameToHeaderType(lineToFileName(line))
#filename = lineToFileName(line)
if headerType in headerGroups:
headerGroups[headerType].append(line)
else:
headerGroups[headerType] = [line]
if containsComplexPreprocessorDirectives:
print("Cannot format headers containing preprocessor #if, #pragma, #define or #undef statements!")
exit(1)
if filename_base.endswith(".h"):
if not HeaderType.PRAGMA_ONCE in headerGroups:
print("Missing #pragma once!")
exit(2)
cleanHeaderFile(content, headerStart, headerEnd, headerGroups)
elif filename_base.endswith(".cpp") or filename_base.endswith(".mm"):
cleanImplementationFile(content, headerStart, headerEnd, headerGroups)
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