1 #!/usr/bin/env python 2 # Copyright (C) 2013 Google Inc. All rights reserved. 3 # 4 # Redistribution and use in source and binary forms, with or without 5 # modification, are permitted provided that the following conditions are 6 # met: 7 # 8 # * Redistributions of source code must retain the above copyright 9 # notice, this list of conditions and the following disclaimer. 10 # * Redistributions in binary form must reproduce the above 11 # copyright notice, this list of conditions and the following disclaimer 12 # in the documentation and/or other materials provided with the 13 # distribution. 14 # * Neither the name of Google Inc. nor the names of its 15 # contributors may be used to endorse or promote products derived from 16 # this software without specific prior written permission. 17 # 18 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 30 import os.path 31 import sys 32 import shutil 33 34 from in_file import InFile 35 import name_macros 36 import license 37 38 39 IMPLEMENTATION_TEMPLATE = """%(license)s 40 #include "config.h" 41 #include "%(class_name)sFactory.h" 42 43 #include "%(class_name)sHeaders.h" 44 #include "RuntimeEnabledFeatures.h" 45 46 namespace WebCore { 47 48 PassRefPtr<%(class_name)s> %(class_name)sFactory::create(const String& type) 49 { 50 %(factory_implementation)s 51 return 0; 52 } 53 54 } // namespace WebCore 55 """ 56 57 58 class EventFactoryWriter(name_macros.Writer): 59 defaults = { 60 'ImplementedAs': None, 61 'Conditional': None, 62 'EnabledAtRuntime': None, 63 } 64 default_parameters = { 65 'namespace': '', 66 } 67 68 def __init__(self, in_file_path, enabled_conditions): 69 super(EventFactoryWriter, self).__init__(in_file_path, enabled_conditions) 70 self._outputs[(self.class_name + ".cpp")] = self.generate_implementation 71 72 def _events(self): 73 return self.in_file.name_dictionaries 74 75 def _factory_implementation(self, event): 76 runtime_condition = '' 77 if event['EnabledAtRuntime']: 78 runtime_condition = ' && RuntimeEnabledFeatures::' + event['EnabledAtRuntime'] + '()' 79 name = os.path.basename(event['name']) 80 class_name = self._class_name_for_entry(event) 81 implementation = """ if (type == "%(name)s"%(runtime_condition)s) 82 return %(class_name)s::create();""" % { 83 'name': name, 84 'runtime_condition': runtime_condition, 85 'class_name': class_name, 86 } 87 return self.wrap_with_condition(implementation, event['Conditional']) 88 89 def generate_implementation(self): 90 return IMPLEMENTATION_TEMPLATE % { 91 'class_name': self.class_name, 92 'license': license.license_for_generated_cpp(), 93 'factory_implementation': "\n".join(map(self._factory_implementation, self._events())), 94 } 95 96 97 if __name__ == "__main__": 98 name_macros.Maker(EventFactoryWriter).main(sys.argv) 99