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""" Header serializer """
__license__ = 'GPL-3.0-only'
import re
import sys
from pathlib import Path
from .cgen import as_str
class Header:
""" Python representation of a header """
def __init__(self, name: str):
self.name = name
self.file = None
self.variables = []
self.functions = []
self.structs = []
def __enter__(self):
if self.name is None:
self.file = sys.stdout
else:
self.file = open(self.name, mode='w', encoding='utf-8')
return self
def __exit__(self, exc_type, exc_value, traceback):
if self.file != sys.stdout:
self.file.close()
def header_guard(self, mock=False):
""" Generate header guard from name """
name = Path(self.name).stem
guard = '_'.join(re.findall('.[^A-Z]*', name))
guard = guard.upper().replace('.', '_')
if mock:
return f'MOCK_{guard}_HH'
return f'{guard}_H'
def _print(self, items):
for item in items:
print(as_str(item), file=self.file)
if len(items) > 0:
print('', file=self.file)
def print_c_header(self):
""" Print C header """
header_guard = self.header_guard()
print(f'#ifndef {header_guard}', file=self.file)
print(f'#define {header_guard}\n', file=self.file)
self._print(self.structs)
self._print(self.variables)
self._print(self.functions)
print(f'#endif // {header_guard}', file=self.file)
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