Source/WebKit/Scripts/generate-message-receiver.py

#!/usr/bin/env python
#
# Copyright (C) 2010 Apple Inc. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1.  Redistributions of source code must retain the above copyright
#     notice, this list of conditions and the following disclaimer.
# 2.  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.
#
# THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
# DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR
# 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.

from __future__ import with_statement
import argparse
import sys

import webkit.messages
import webkit.parser


def main(argv=None):
    parser = argparse.ArgumentParser()
    parser.add_argument('source')
    parser.add_argument('--implementation', required=True)
    parser.add_argument('--header', required=True)
    parser.add_argument('--reply-header', required=True)

    args = parser.parse_args()

    with open(args.source) as source_file:
        receiver = webkit.parser.parse(source_file)

    with open(args.implementation, "w+") as implementation_output:
        implementation_output.write(webkit.messages.generate_message_handler(receiver))

    with open(args.header, "w+") as header_output:
        header_output.write(webkit.messages.generate_messages_header(receiver))

    with open(args.reply_header, "w+") as reply_header_output:
        reply_header_output.write(webkit.messages.generate_messages_reply_header(receiver))

    return 0

if __name__ == '__main__':
    sys.exit(main(sys.argv))