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# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, # You can obtain one at http://mozilla.org/MPL/2.0/.

from __future__ import absolute_import, unicode_literals

import os
import sys

from mach.decorators import (
    CommandArgument,
    CommandProvider,
    Command,
)

from mozbuild.base import MachCommandBase

def get_test_parser():
    import runtests
    return runtests.get_parser

@CommandProvider
class WebIDLProvider(MachCommandBase):
    @Command('webidl-example', category='misc',
             description='Generate example files for a WebIDL interface.')
    @CommandArgument('interface', nargs='+',
                     help='Interface(s) whose examples to generate.')
    def webidl_example(self, interface):
        from mozwebidlcodegen import BuildSystemWebIDL

        manager = self._spawn(BuildSystemWebIDL).manager
        for i in interface:
            manager.generate_example_files(i)

    @Command('webidl-parser-test', category='testing', parser=get_test_parser,
             description='Run WebIDL tests (Interface Browser parser).')
    def webidl_test(self, **kwargs):
        sys.path.insert(0, os.path.join(self.topsrcdir, 'other-licenses',
                        'ply'))

        # Make sure we drop our cached grammar bits in the objdir, not
        # wherever we happen to be running from.
        os.chdir(self.topobjdir)

        if kwargs["verbose"] is None:
            kwargs["verbose"] = False

        # Now we're going to create the cached grammar file in the
        # objdir.  But we're going to try loading it as a python
        # module, so we need to make sure the objdir is in our search
        # path.
        sys.path.insert(0, self.topobjdir)

        import runtests
        return runtests.run_tests(kwargs["tests"], verbose=kwargs["verbose"])