1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
|
#!/usr/bin/env python
# Copyright 2014 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""Create files with copyright boilerplate and header include guards.
Usage: tools/boilerplate.py path/to/file.{h,cc}
"""
from __future__ import print_function, unicode_literals
from datetime import date
import io
import os
import os.path
import sys
LINES = [
'Copyright %d The Chromium Authors. All rights reserved.' %
date.today().year,
'Use of this source code is governed by a BSD-style license that can be',
'found in the LICENSE file.'
]
NO_COMPILE_LINES = [
'This is a "No Compile Test" suite.',
'https://dev.chromium.org/developers/testing/no-compile-tests'
]
EXTENSIONS_TO_COMMENTS = {
'h': '//',
'cc': '//',
'nc': '//',
'mm': '//',
'js': '//',
'py': '#',
'gn': '#',
'gni': '#',
'mojom': '//',
'typemap': '#',
"swift": "//",
}
def _GetHeaderImpl(filename, lines):
_, ext = os.path.splitext(filename)
ext = ext[1:]
comment = EXTENSIONS_TO_COMMENTS[ext] + ' '
return '\n'.join([comment + line for line in lines])
def _GetHeader(filename):
return _GetHeaderImpl(filename, LINES)
def _GetNoCompileHeader(filename):
assert (filename.endswith(".nc"))
return '\n' + _GetHeaderImpl(filename, NO_COMPILE_LINES)
def _CppHeader(filename):
guard = filename.upper() + '_'
for char in '/\\.+':
guard = guard.replace(char, '_')
return '\n'.join([
'',
'#ifndef ' + guard,
'#define ' + guard,
'',
'#endif // ' + guard,
''
])
def _RemoveCurrentDirectoryPrefix(filename):
current_dir_prefixes = [os.curdir + os.sep]
if os.altsep is not None:
current_dir_prefixes.append(os.curdir + os.altsep)
for prefix in current_dir_prefixes:
if filename.startswith(prefix):
return filename[len(prefix):]
return filename
def _RemoveTestSuffix(filename):
base, _ = os.path.splitext(filename)
suffixes = [ '_test', '_unittest', '_browsertest' ]
for suffix in suffixes:
l = len(suffix)
if base[-l:] == suffix:
return base[:-l]
return base
def _IsIOSFile(filename):
if os.path.splitext(os.path.basename(filename))[0].endswith('_ios'):
return True
if 'ios' in filename.split(os.path.sep):
return True
return False
def _FilePathSlashesToCpp(filename):
return filename.replace('\\', '/')
def _CppImplementation(filename):
return '\n#include "' + _FilePathSlashesToCpp(_RemoveTestSuffix(filename)) \
+ '.h"\n'
def _ObjCppImplementation(filename):
implementation = '\n#import "' + _RemoveTestSuffix(filename) + '.h"\n'
if not _IsIOSFile(filename):
return implementation
implementation += '\n'
implementation += '#if !defined(__has_feature) || !__has_feature(objc_arc)\n'
implementation += '#error "This file requires ARC support."\n'
implementation += '#endif\n'
return implementation
def _CreateFile(filename):
filename = _RemoveCurrentDirectoryPrefix(filename)
contents = _GetHeader(filename) + '\n'
if filename.endswith('.h'):
contents += _CppHeader(filename)
elif filename.endswith('.cc'):
contents += _CppImplementation(filename)
elif filename.endswith('.nc'):
contents += _GetNoCompileHeader(filename) + '\n'
contents += _CppImplementation(filename)
elif filename.endswith('.mm'):
contents += _ObjCppImplementation(filename)
with io.open(filename, mode='w', newline='\n') as fd:
fd.write(contents)
def Main():
files = sys.argv[1:]
if len(files) < 1:
print(
'Usage: boilerplate.py path/to/file.h path/to/file.cc', file=sys.stderr)
return 1
# Perform checks first so that the entire operation is atomic.
for f in files:
_, ext = os.path.splitext(f)
if not ext[1:] in EXTENSIONS_TO_COMMENTS:
print('Unknown file type for %s' % f, file=sys.stderr)
return 2
if os.path.exists(f):
print('A file at path %s already exists' % f, file=sys.stderr)
return 2
for f in files:
_CreateFile(f)
if __name__ == '__main__':
sys.exit(Main())
|
