mirror of
https://github.com/CLIUtils/CLI11.git
synced 2025-04-29 20:23:55 +00:00
132 lines
3.8 KiB
Python
Executable File
132 lines
3.8 KiB
Python
Executable File
#!/usr/bin/env python
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from __future__ import print_function, unicode_literals
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import os
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import re
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import argparse
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import operator
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from copy import copy
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from subprocess import check_output, CalledProcessError
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from functools import reduce
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includes_local = re.compile(r"""^#include "(.*)"$""", re.MULTILINE)
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includes_system = re.compile(r"""^#include \<(.*)\>$""", re.MULTILINE)
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version_finder = re.compile(r"""^#define CLI11_VERSION \"(.*)\"$""", re.MULTILINE)
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verbatim_tag_str = r"""
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^ # Begin of line
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[^\n^\[]+ # Some characters, not including [ or the end of a line
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\[ # A literal [
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[^\]^\n]* # Anything except a closing ]
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CLI11:verbatim # The tag
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[^\]^\n]* # Anything except a closing ]
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\] # A literal ]
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[^\n]* # Up to end of line
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$ # End of a line
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"""
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verbatim_all = re.compile(verbatim_tag_str + "(.*)" + verbatim_tag_str,
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re.MULTILINE | re.DOTALL | re.VERBOSE)
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DIR = os.path.dirname(os.path.abspath(__file__))
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class HeaderFile(object):
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TAG = "Unknown git revision"
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LICENSE = "// BSD 3 clause"
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VERSION = "Unknown"
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def __init__(self, base, inc):
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with open(os.path.join(base, inc)) as f:
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inner = f.read()
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version = version_finder.search(inner)
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if version:
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self.__class__.VERSION = version.groups()[0]
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# add self.verbatim
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if 'CLI11:verbatim' in inner:
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self.verbatim = ["\n\n// Verbatim copy from {}:".format(inc)]
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self.verbatim += verbatim_all.findall(inner)
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inner = verbatim_all.sub("", inner)
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else:
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self.verbatim = []
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self.headers = set(includes_system.findall(inner))
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self.body = '\n// From {}:\n\n'.format(inc) + inner[inner.find('namespace'):]
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def __add__(self, other):
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out = copy(self)
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out.headers |= other.headers
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out.body += other.body
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out.verbatim += other.verbatim
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return out
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@property
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def header_str(self):
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return '\n'.join('#include <'+h+'>' for h in sorted(self.headers))
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@property
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def verbatim_str(self):
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return '\n'.join(self.verbatim)
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def __str__(self):
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return '''\
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#pragma once
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// CLI11: Version {self.VERSION}
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// Originally designed by Henry Schreiner
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// https://github.com/CLIUtils/CLI11
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//
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// This is a standalone header file generated by MakeSingleHeader.py in CLI11/scripts
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// from: {self.TAG}
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//
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// From LICENSE:
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//
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{self.LICENSE}
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// Standard combined includes:
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{self.header_str}
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{self.verbatim_str}
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{self.body}
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'''.format(self=self)
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def MakeHeader(output, main_header, include_dir = '../include'):
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# Set tag if possible to class variable
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try:
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HeaderFile.TAG = check_output(['git', 'describe', '--tags', '--always'], cwd=str(DIR)).decode("utf-8").strip()
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except CalledProcessError:
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pass
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base_dir = os.path.abspath(os.path.join(DIR, include_dir))
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main_header = os.path.join(base_dir, main_header)
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licence_file = os.path.abspath(os.path.join(DIR, '../LICENSE'))
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with open(licence_file) as f:
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HeaderFile.LICENSE = ''.join('// ' + line for line in f)
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with open(main_header) as f:
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header = f.read()
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include_files = includes_local.findall(header)
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headers = [HeaderFile(base_dir, inc) for inc in include_files]
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single_header = reduce(operator.add, headers)
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with open(output, 'w') as f:
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f.write(str(single_header))
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print("Created", output)
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if __name__ == '__main__':
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parser = argparse.ArgumentParser()
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parser.add_argument("output", help="Single header file output")
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parser.add_argument("--main", default='CLI/CLI.hpp', help="The main include file that defines the other files")
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parser.add_argument("--include", default='../include')
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args = parser.parse_args()
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MakeHeader(args.output, args.main, args.include)
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