# Source code for ufl.algorithms.formdata

    """FormData class easy for collecting of various data about a form."""

    # Copyright (C) 2008-2016 Martin Sandve Alnæs
    #
    # This file is part of UFL (https://www.fenicsproject.org)
    #
    # SPDX-License-Identifier:    LGPL-3.0-or-later
    #
    # Modified by Anders Logg, 2008.

    from ufl.utils.formatting import estr, lstr, tstr

    class FormData:
        """Class collecting various information extracted from a Form by calling preprocess."""

        def __init__(self):
            """Create empty form data for given form."""

        def __str__(self):
            """Return formatted summary of form data."""
            types = sorted(self.max_subdomain_ids.keys())
            geometry = (("Geometric dimension", self.geometric_dimension),)
            subdomains = tuple(
                (f"Number of {integral_type} subdomains", self.max_subdomain_ids[integral_type])
                for integral_type in types
            )
            functions = (
                # Arguments
                ("Rank", self.rank),
                ("Arguments", lstr(self.original_form.arguments())),
                # Coefficients
                ("Number of coefficients", self.num_coefficients),
                ("Coefficients", lstr(self.reduced_coefficients)),
                # Elements
                ("Unique elements", estr(self.unique_elements)),
                ("Unique sub elements", estr(self.unique_sub_elements)),
            )
            return tstr(geometry + subdomains + functions)