MakeSingleHeader.py
3.38 KB
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
#!/usr/bin/env python
from __future__ import print_function, unicode_literals
import os
import re
import argparse
import operator
from copy import copy
from subprocess import check_output, CalledProcessError
from functools import reduce
includes_local = re.compile(r"""^#include "(.*)"$""", re.MULTILINE)
includes_system = re.compile(r"""^#include \<(.*)\>$""", re.MULTILINE)
verbatim_tag_str = r"""
^ # Begin of line
[^\n^\[]+ # Some characters, not including [ or the end of a line
\[ # A literal [
[^\]^\n]* # Anything except a closing ]
CLI11:verbatim # The tag
[^\]^\n]* # Anything except a closing ]
\] # A literal ]
[^\n]* # Up to end of line
$ # End of a line
"""
verbatim_all = re.compile(verbatim_tag_str + "(.*)" + verbatim_tag_str,
re.MULTILINE | re.DOTALL | re.VERBOSE)
DIR = os.path.dirname(os.path.abspath(__file__))
class HeaderFile(object):
TAG = "Unknown git revision"
def __init__(self, base, inc):
with open(os.path.join(base, inc)) as f:
inner = f.read()
# add self.verbatim
if 'CLI11:verbatim' in inner:
self.verbatim = ["\n\n// Verbatim copy from {}".format(inc)]
self.verbatim += verbatim_all.findall(inner)
inner = verbatim_all.sub("", inner)
else:
self.verbatim = []
self.headers = set(includes_system.findall(inner))
self.body = '\n// From {}\n\n'.format(inc) + inner[inner.find('namespace'):]
def __add__(self, other):
out = copy(self)
out.headers |= other.headers
out.body += other.body
out.verbatim += other.verbatim
return out
@property
def header_str(self):
return '\n'.join('#include <'+h+'>' for h in sorted(self.headers))
@property
def verbatim_str(self):
return '\n'.join(self.verbatim)
def __str__(self):
return '''\
#pragma once
// Distributed under the 3-Clause BSD License. See accompanying
// file LICENSE or https://github.com/CLIUtils/CLI11 for details.
// This file was generated using MakeSingleHeader.py in CLI11/scripts
// from: {self.TAG}
// This has the complete CLI library in one file.
{self.header_str}
{self.verbatim_str}
{self.body}
'''.format(self=self)
def MakeHeader(output, main_header, include_dir = '../include'):
# Set tag if possible to class variable
try:
HeaderFile.TAG = check_output(['git', 'describe', '--tags', '--always'], cwd=str(DIR)).decode("utf-8")
except CalledProcessError:
pass
base_dir = os.path.abspath(os.path.join(DIR, include_dir))
main_header = os.path.join(base_dir, main_header)
with open(main_header) as f:
header = f.read()
include_files = includes_local.findall(header)
headers = [HeaderFile(base_dir, inc) for inc in include_files]
single_header = reduce(operator.add, headers)
with open(output, 'w') as f:
f.write(str(single_header))
print("Created", output)
if __name__ == '__main__':
parser = argparse.ArgumentParser()
parser.add_argument("output", help="Single header file output")
parser.add_argument("--main", default='CLI/CLI.hpp', help="The main include file that defines the other files")
parser.add_argument("--include", default='../include')
args = parser.parse_args()
MakeHeader(args.output, args.main, args.include)