| #!/usr/bin/env python |
| # Copyright (C) 2013 Google 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: |
| # |
| # * Redistributions of source code must retain the above copyright |
| # notice, this list of conditions and the following disclaimer. |
| # * 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. |
| # * Neither the name of Google Inc. nor the names of its |
| # contributors may be used to endorse or promote products derived from |
| # this software without specific prior written permission. |
| # |
| # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT |
| # OWNER OR 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. |
| |
| import os.path |
| import sys |
| import shutil |
| |
| from in_file import InFile |
| import name_macros |
| import license |
| |
| |
| IMPLEMENTATION_TEMPLATE = """%(license)s |
| #include "config.h" |
| #include "%(class_name)sFactory.h" |
| |
| #include "%(class_name)sHeaders.h" |
| #include "RuntimeEnabledFeatures.h" |
| |
| namespace WebCore { |
| |
| PassRefPtr<%(class_name)s> %(class_name)sFactory::create(const String& type) |
| { |
| %(factory_implementation)s |
| return 0; |
| } |
| |
| } // namespace WebCore |
| """ |
| |
| |
| class EventFactoryWriter(name_macros.Writer): |
| defaults = { |
| 'ImplementedAs': None, |
| 'Conditional': None, |
| 'EnabledAtRuntime': None, |
| } |
| default_parameters = { |
| 'namespace': '', |
| } |
| |
| def __init__(self, in_file_path, enabled_conditions): |
| super(EventFactoryWriter, self).__init__(in_file_path, enabled_conditions) |
| self._outputs[(self.class_name + ".cpp")] = self.generate_implementation |
| |
| def _events(self): |
| return self.in_file.name_dictionaries |
| |
| def _factory_implementation(self, event): |
| runtime_condition = '' |
| if event['EnabledAtRuntime']: |
| runtime_condition = ' && RuntimeEnabledFeatures::' + event['EnabledAtRuntime'] + '()' |
| name = os.path.basename(event['name']) |
| class_name = self._class_name_for_entry(event) |
| implementation = """ if (type == "%(name)s"%(runtime_condition)s) |
| return %(class_name)s::create();""" % { |
| 'name': name, |
| 'runtime_condition': runtime_condition, |
| 'class_name': class_name, |
| } |
| return self.wrap_with_condition(implementation, event['Conditional']) |
| |
| def generate_implementation(self): |
| return IMPLEMENTATION_TEMPLATE % { |
| 'class_name': self.class_name, |
| 'license': license.license_for_generated_cpp(), |
| 'factory_implementation': "\n".join(map(self._factory_implementation, self._events())), |
| } |
| |
| |
| if __name__ == "__main__": |
| name_macros.Maker(EventFactoryWriter).main(sys.argv) |