1 """Generate the org.chromium.mojo.bindings.Callbacks interface""" 2 3 import argparse 4 import sys 5 6 CALLBACK_TEMPLATE = (""" 7 /** 8 * A generic %d-argument callback. 9 * 10 * %s 11 */ 12 interface Callback%d<%s> { 13 /** 14 * Call the callback. 15 */ 16 public void call(%s); 17 } 18 """) 19 20 INTERFACE_TEMPLATE = ( 21 """// Copyright 2014 The Chromium Authors. All rights reserved. 22 // Use of this source code is governed by a BSD-style license that can be 23 // found in the LICENSE file. 24 25 // This file was generated using 26 // mojo/tools/generate_java_callback_interfaces.py 27 28 package org.chromium.mojo.bindings; 29 30 /** 31 * Contains a generic interface for callbacks. 32 */ 33 public interface Callbacks { 34 %s 35 }""") 36 37 def GenerateCallback(nb_args): 38 params = '\n * '.join( 39 ['@param <T%d> the type of argument %d.' % (i+1, i+1) 40 for i in xrange(nb_args)]) 41 template_parameters = ', '.join(['T%d' % (i+1) for i in xrange(nb_args)]) 42 callback_parameters = ', '.join(['T%d arg%d' % ((i+1), (i+1)) 43 for i in xrange(nb_args)]) 44 return CALLBACK_TEMPLATE % (nb_args, params, nb_args, template_parameters, 45 callback_parameters) 46 47 def main(): 48 parser = argparse.ArgumentParser( 49 description="Generate org.chromium.mojo.bindings.Callbacks") 50 parser.add_argument("max_args", nargs=1, type=int, 51 help="maximal number of arguments to generate callbacks for") 52 args = parser.parse_args() 53 max_args = args.max_args[0] 54 print INTERFACE_TEMPLATE % ''.join([GenerateCallback(i+1) 55 for i in xrange(max_args)]) 56 return 0 57 58 if __name__ == "__main__": 59 sys.exit(main()) 60
