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"""Generate the org.chromium.mojo.bindings.Callbacks interface"""
import argparse
import sys
CALLBACK_TEMPLATE = ("""
/**
* A generic %d-argument callback.
*
* %s
*/
interface Callback%d<%s> {
/**
* Call the callback.
*/
public void call(%s);
}
""")
INTERFACE_TEMPLATE = (
"""// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// This file was generated using
// mojo/tools/generate_java_callback_interfaces.py
package org.chromium.mojo.bindings;
/**
* Contains a generic interface for callbacks.
*/
public interface Callbacks {
%s
}
""")
def GenerateCallback(nb_args):
params = '\n * '.join(
['@param <T%d> the type of argument %d.' % (i+1, i+1)
for i in xrange(nb_args)])
template_parameters = ', '.join(['T%d' % (i+1) for i in xrange(nb_args)])
callback_parameters = ', '.join(['T%d arg%d' % ((i+1), (i+1))
for i in xrange(nb_args)])
return CALLBACK_TEMPLATE % (nb_args, params, nb_args, template_parameters,
callback_parameters)
def main():
parser = argparse.ArgumentParser(
description="Generate org.chromium.mojo.bindings.Callbacks")
parser.add_argument("max_args", nargs=1, type=int,
help="maximal number of arguments to generate callbacks for")
args = parser.parse_args()
max_args = args.max_args[0]
print INTERFACE_TEMPLATE % ''.join([GenerateCallback(i+1)
for i in xrange(max_args)])
return 0
if __name__ == "__main__":
sys.exit(main())
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