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Add support for making custom versions of CLI11 single header

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Henry Fredrick Schreiner 2018-07-26 16:52:02 +02:00 committed by Henry Schreiner
parent e7dc4c23f7
commit b9492305c0
1 changed files with 35 additions and 8 deletions
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43
scripts/MakeSingleHeader.py
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@ -54,6 +54,8 @@ class HeaderFile(object):
self.body = '\n// From {}:\n\n'.format(inc) + inner[inner.find('namespace'):] self.body = '\n// From {}:\n\n'.format(inc) + inner[inner.find('namespace'):]
self.namespace = None
def __add__(self, other): def __add__(self, other):
out = copy(self) out = copy(self)
out.headers |= other.headers out.headers |= other.headers
@ -69,8 +71,16 @@ class HeaderFile(object):
def verbatim_str(self): def verbatim_str(self):
return '\n'.join(self.verbatim) return '\n'.join(self.verbatim)
def insert_namespace(self, namespace):
self.namespace = namespace
def macro_replacement(self, before, after):
self.verbatim = [x.replace(before, after) for x in self.verbatim]
self.body = self.body.replace(before, after)
def __str__(self): def __str__(self):
return '''\ result = '''\
#pragma once #pragma once
// CLI11: Version {self.VERSION} // CLI11: Version {self.VERSION}
@ -87,12 +97,18 @@ class HeaderFile(object):
// Standard combined includes: // Standard combined includes:
{self.header_str} {self.header_str}
{self.verbatim_str}
{self.body}
'''.format(self=self) '''.format(self=self)
if self.namespace:
result += '\nnamespace ' + self.namespace + ' {\n\n'
result += '{self.verbatim_str}\n{self.body}\n'.format(self=self)
if self.namespace:
result += '} // namespace ' + self.namespace + '\n\n'
def MakeHeader(output, main_header, include_dir = '../include'): return result
def MakeHeader(output, main_header, include_dir = '../include', namespace=None, macro=None):
# Set tag if possible to class variable # Set tag if possible to class variable
try: try:
HeaderFile.TAG = check_output(['git', 'describe', '--tags', '--always'], cwd=str(DIR)).decode("utf-8").strip() HeaderFile.TAG = check_output(['git', 'describe', '--tags', '--always'], cwd=str(DIR)).decode("utf-8").strip()
@ -114,18 +130,29 @@ def MakeHeader(output, main_header, include_dir = '../include'):
headers = [HeaderFile(base_dir, inc) for inc in include_files] headers = [HeaderFile(base_dir, inc) for inc in include_files]
single_header = reduce(operator.add, headers) single_header = reduce(operator.add, headers)
if macro:
before, after = macro
print("Converting macros", before, "->", after)
single_header.macro_replacement(before, after)
if namespace:
print("Adding namespace", namespace)
single_header.insert_namespace(namespace)
with open(output, 'w') as f: with open(output, 'w') as f:
f.write(str(single_header)) f.write(str(single_header))
print("Created", output) print("Created", output)
if __name__ == '__main__': if __name__ == '__main__':
parser = argparse.ArgumentParser() parser = argparse.ArgumentParser(usage='Convert source to single header include. Can optionally add namespace and search-replace replacements (for macros).')
parser.add_argument("output", help="Single header file output") 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("--main", default='CLI/CLI.hpp', help="The main include file that defines the other files")
parser.add_argument("--include", default='../include') parser.add_argument("--include", default='../include', help="The include directory")
parser.add_argument("--namespace", help="Add an optional namespace")
parser.add_argument("--macro", nargs=2, help="Macro replacement: CLI11_ NEW_PREFIX_")
args = parser.parse_args() args = parser.parse_args()
MakeHeader(args.output, args.main, args.include)
MakeHeader(args.output, args.main, args.include, args.namespace, args.macro)