65c1d746a7
We don't transfer git history since it may contain proprietary data that we cannot have in an open sources version. Change-Id: I9586124c1720db69a76b9390e208e9f0ba3b86d4
93 lines
4.2 KiB
Python
93 lines
4.2 KiB
Python
# Copyright 2024 Volvo Car Corporation
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# Licensed under Apache 2.0.
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"""Module for replacing $CVC_* style references in a2l file."""
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import re
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import argparse
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from pathlib import Path
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def parse_args():
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"""Parse args."""
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parser = argparse.ArgumentParser("Replace $CVC_* style references in a2l file")
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parser.add_argument("a2l_target_file")
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args = parser.parse_args()
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return args
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def replace_tab_verb(file_path: Path):
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"""Replace custom Units with conversion table."""
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with open(file_path, encoding='ISO-8859-1') as f_h:
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a2l_text = f_h.read()
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##############################################################
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# Absolutely horrible multi-line regex #
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# #
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# Translates a fake COMPU_METHOD #
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# with custom $CVC_* Unit into using a conversion table #
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# #
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##############################################################
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# If a dollar is found make the following changes: #
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# 'RAT_FUNC' => 'TAB_VERB' #
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# 'LINEAR' => 'TAB_VERB' #
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# New format => "%12.6" #
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# Save the $-tag and remove it from the unit #
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# Change the line below the '/* Unit */'- line to #
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# "['COMPU_TAB_REF CONV_TAB_' $-tag] #
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##############################################################
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# ***************************BEFORE************************* #
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##############################################################
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# /begin COMPU_METHOD #
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# VcDummy_spm_1_0_0_None__CVC_EmCoBaseMode /* Name */ #
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# "" /* LongIdentifier */ #
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# RAT_FUNC /* ConversionType */ #
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# "%11.3" /* Format */ #
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# "-,$CVC_EmCoBaseMode" /* Unit */ #
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# COEFFS 0 1 0.0 0 0 1 #
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# /end COMPU_METHOD #
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##############################################################
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# ***************************AFTER************************** #
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##############################################################
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# /begin COMPU_METHOD #
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# VcDummy_spm_1_0_0_None__CVC_EmCoBaseMode /* Name */ #
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# "" /* LongIdentifier */ #
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# TAB_VERB /* ConversionType */ #
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# "%12.6" /* Format */ #
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# "-" /* Unit */ #
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# COMPU_TAB_REF CONV_TAB_CVC_EmCoBaseMode #
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# /end COMPU_METHOD #
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##############################################################
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COMPU_METHOD_EXPRESSION = (
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r"(RAT_FUNC|LINEAR)" # Match conversion types RAT_FUNC or LINEAR
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r"(?P<conv_type_end>\s+/\* ConversionType \*/\n)" # Capture end of conversion type line
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r'(?P<format_begin>\s+"%)' # Capture beginning of format line
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r"[0-9]+[.][0-9]+" # Capture formatting
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r'(?P<format_end>"\s+/\* Format \*/\n)' # Capture end format line
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r'(?P<unit_begin>\s+"[\sA-Za-z0-9\-_/]+)' # Capture beginning of unit line
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r",\$(?P<tab_verb>CVC_[A-Za-z0-9_]+)" # Capture tab_verb 'CVC_*' of $CVC_EmCoBaseMode
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r'(?P<unit_end>"\s*/\* Unit \*/\n)' # Capture end of unit line
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r"\s+COEFFS( \d+(.\d+)?)+"
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) # Capture COEFFS line
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COMPU_METHOD_REGEX = re.compile(COMPU_METHOD_EXPRESSION)
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TAB_VERB_REPLACE = (
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r"TAB_VERB\g<conv_type_end>\g<format_begin>12.6\g<format_end>\g<unit_begin>\g<unit_end>"
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r" COMPU_TAB_REF CONV_TAB_\g<tab_verb>"
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)
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a2l_patched = COMPU_METHOD_REGEX.sub(TAB_VERB_REPLACE, a2l_text)
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with open(file_path, "w") as f_h:
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f_h.write(a2l_patched)
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def main():
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"""Main."""
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args = parse_args()
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replace_tab_verb(args.a2l_target_file)
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if __name__ == "__main__":
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main()
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