code_aster_model.py 文件源码

def __init__(self, comm_file_path):
        expression_spaced = Forward()
        expression = Forward()
        args_spaced = Forward()

        cb = Optional(',') + ')'  # closing_brackets might include a ','
        ob = Optional(' ') + '(' + Optional(' ')  # closing_brackets might include a ' '

        value = (Or([pyparsing_common.identifier.copy().setResultsName('id'),
                     pyparsing_common.number.copy().setResultsName('number'),
                     QuotedString("'").setResultsName('string')])).setParseAction(Value).setResultsName('value')

        values = (ZeroOrMore(value.setResultsName('valueList', listAllMatches=True) + Optional(','))).setParseAction(
            Values)

        keyword = pyparsing_common.identifier.copy()

        keyword_argument = (
            keyword.setResultsName('keyword') + '=' + expression_spaced.setResultsName('expression')
        ).setParseAction(Keyword_argument)

        keyword_arguments = (
            keyword_argument.setResultsName('keyword_argument', listAllMatches=True) +
            ZeroOrMore(',' + keyword_argument.setResultsName('keyword_argument', listAllMatches=True))
        ).setParseAction(Keyword_arguments)

        expression << (Or([
            value, (ob + values.setResultsName('values') + cb),
            '_F' + ob + keyword_arguments.setResultsName('keyword_arguments') + cb,
            ob + expression.setResultsName('expression') + cb
        ])).setParseAction(Expression)

        expression_spaced << (Or([expression, ob + expression_spaced + cb]))

        left_side = pyparsing_common.identifier.setResultsName('left_side')
        operator_name = pyparsing_common.identifier.setResultsName('operator_name')
        paragraph = (Optional(left_side + "=") + operator_name + ob + Optional(keyword_arguments
            .setResultsName(
            'keyword_arguments')) + cb + Optional(';')).setParseAction(Paragraph)

        file = OneOrMore(paragraph).setResultsName('paragraphs').setParseAction(File)

        self.beam_data_model = file.parseFile(comm_file_path)