Class ColumnSpec

Tools/c-analyzer/c_common/tables.py:241–379

class ColumnSpec(namedtuple('ColumnSpec', 'field label fmt')):

    REGEX = re.compile(textwrap.dedent(r'''
        ^
        (?:
            \[
            (
                (?: [^\s\]] [^\]]* )?
                [^\s\]]
            )  # <label>
            ]
        )?
        ( [-\w]+ )  # <field>
        (?:
            (?:
                :
                ( [<^>] )  # <align>
                ( \d+ )?  # <width1>
            )
            |
            (?:
                (?:
                    :
                    ( \d+ )  # <width2>
                )?
                (?:
                    :
                    ( .*? )  # <fmt>
                )?
            )
        )?
        $
    ''&#x27;), re.VERBOSE)

    @classmethod
    def from_raw(cls, raw):
        if not raw:
            raise ValueError('missing column spec')
        elif isinstance(raw, cls):
            return raw

        if isinstance(raw, str):
            *values, _ = cls._parse(raw)
        else:
            *values, _ = cls._normalize(raw)
        if values is None:
            raise ValueError(f'unsupported column spec {raw!r}')
        return cls(*values)

    @classmethod
    def parse(cls, specstr):
        parsed = cls._parse(specstr)
        if not parsed:
            return None
        *values, _ = parsed
        return cls(*values)

    @classmethod