MakeSingleHeader.py
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#!/usr/bin/env python
# Requires pathlib on python 2
from __future__ import print_function, unicode_literals
import re
import argparse
from pathlib import Path
from subprocess import check_output
includes_local = re.compile(r"""^#include "(.*)"$""", re.MULTILINE)
includes_system = re.compile(r"""^#include \<(.*)\>$""", re.MULTILINE)
DIR = Path(__file__).resolve().parent
BDIR = DIR.parent / 'include'
print("Git directory:", DIR)
TAG = check_output(['git', 'describe', '--tags', '--always'], cwd=str(DIR)).decode("utf-8")
def MakeHeader(out):
main_header = BDIR / 'CLI/CLI.hpp'
with main_header.open() as f:
header = f.read()
include_files = includes_local.findall(header)
headers = set()
output = ''
for inc in include_files:
with (BDIR / inc).open() as f:
inner = f.read()
headers |= set(includes_system.findall(inner))
output += '\n// From {inc}\n\n'.format(inc=inc)
output += inner[inner.find('namespace'):]
header_list = '\n'.join('#include <'+h+'>' for h in headers)
output = '''\
#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: {tag}
// This has the complete CLI library in one file.
{header_list}
{output}'''.format(header_list=header_list, output=output, tag=TAG)
with Path(out).open('w') as f:
f.write(output)
print("Created {out}".format(out=out))
if __name__ == '__main__':
parser = argparse.ArgumentParser()
parser.add_argument("output", nargs='?', default=BDIR / 'CLI11.hpp')
args = parser.parse_args()
MakeHeader(args.output)