#!/usr/bin/env python
# Modified work Copyright (c) 2017-2019 Science and Technology
# Facilities Council
# Original work Copyright (c) 1999-2008 Pearu Peterson

# All rights reserved.

# Modifications made as part of the fparser project are distributed
# under the following license:

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# modification, are permitted provided that the following conditions are
# met:

# 1. Redistributions of source code must retain the above copyright
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# --------------------------------------------------------------------

# The original software (in the f2py project) was distributed under
# the following license:

# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:

#   a. Redistributions of source code must retain the above copyright notice,
#      this list of conditions and the following disclaimer.
#   b. Redistributions in binary form must reproduce the above copyright
#      notice, this list of conditions and the following disclaimer in the
#      documentation and/or other materials provided with the distribution.
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#      contributors may be used to endorse or promote products derived from
#      this software without specific prior written permission.

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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
# DAMAGE.

'''Python script with command line options which calls the Fortran
File Reader with the supplied filename(s) and outputs the reader's
representation of the code(s).

'''
import sys
import logging
from fparser.scripts.script_options import set_read_options

logging.basicConfig()

try:
    from iocbio.optparse_gui import OptionParser
except ImportError:
    from optparse import OptionParser


def runner(_, options, args):
    '''Call the Fortran File reader for each filename in args and print
    out its content.

    :param options: command line argument information from the options \
    parser
    :type options: :py:class:`optparse.Values`
    :param args: a list of Fortran filepaths
    :type args: list of str

    :raises NotImplementedError: if the task option is not set to \
    "show".

    '''
    from fparser.common.readfortran import FortranFileReader
    for filename in args:
        reader = FortranFileReader(filename)
        if options.task == 'show':
            for item in reader:
                print(item)
                sys.stdout.flush()
        else:
            raise NotImplementedError(
                "The task option '{0}' is invalid. Currently only "
                "'show' is supported.".format(repr(options.task)))


def main():
    '''Check input options then call the runner function.'''
    parser = OptionParser()
    set_read_options(parser)
    options, args = parser.parse_args()
    runner(parser, options, args)


if __name__ == "__main__":
    main()
