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#!/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 in_generator
import license
import name_utilities
import template_expander
HEADER_TEMPLATE = """%(license)s
#ifndef %(namespace)s%(suffix)sHeaders_h
#define %(namespace)s%(suffix)sHeaders_h
%(base_header_for_suffix)s
%(includes)s
#endif // %(namespace)s%(suffix)sHeaders_h
"""
def case_insensitive_matching(name):
return (name == ('HTMLEvents')
or name == 'Event'
or name == 'Events'
or name.startswith('UIEvent')
or name.startswith('CustomEvent')
or name.startswith('MouseEvent'))
class EventFactoryWriter(in_generator.Writer):
defaults = {
'ImplementedAs': None,
'Conditional': None,
'RuntimeEnabled': None,
}
default_parameters = {
'namespace': '',
'suffix': '',
}
filters = {
'cpp_name': name_utilities.cpp_name,
'enable_conditional': name_utilities.enable_conditional_if_endif,
'lower_first': name_utilities.lower_first,
'case_insensitive_matching': case_insensitive_matching,
'script_name': name_utilities.script_name,
}
def __init__(self, in_file_path):
super(EventFactoryWriter, self).__init__(in_file_path)
self.namespace = self.in_file.parameters['namespace'].strip('"')
self.suffix = self.in_file.parameters['suffix'].strip('"')
self._validate_entries()
self._outputs = {(self.namespace + self.suffix + "Headers.h"): self.generate_headers_header,
(self.namespace + self.suffix + ".cpp"): self.generate_implementation,
}
def _validate_entries(self):
# If there is more than one entry with the same script name, only the first one will ever
# be hit in practice, and so we'll silently ignore any properties requested for the second
# (like RuntimeEnabled - see crbug.com/332588).
entries_by_script_name = dict()
for entry in self.in_file.name_dictionaries:
script_name = name_utilities.script_name(entry)
if script_name in entries_by_script_name:
self._fatal('Multiple entries with script_name=%(script_name)s: %(name1)s %(name2)s' % {
'script_name': script_name,
'name1': entry['name'],
'name2': entries_by_script_name[script_name]['name']})
entries_by_script_name[script_name] = entry
def _fatal(self, message):
print 'FATAL ERROR: ' + message
exit(1)
def _headers_header_include_path(self, entry):
if entry['ImplementedAs']:
path = os.path.dirname(entry['name'])
if len(path):
path += '/'
path += entry['ImplementedAs']
else:
path = entry['name']
return path + '.h'
def _headers_header_includes(self, entries):
includes = dict()
for entry in entries:
cpp_name = name_utilities.cpp_name(entry)
# Avoid duplicate includes.
if cpp_name in includes:
continue
if self.suffix == 'Modules':
subdir_name = 'modules'
else:
subdir_name = 'core'
include = '#include "%(path)s"\n#include "bindings/%(subdir_name)s/v8/V8%(script_name)s.h"' % {
'path': self._headers_header_include_path(entry),
'script_name': name_utilities.script_name(entry),
'subdir_name': subdir_name,
}
includes[cpp_name] = self.wrap_with_condition(include, entry['Conditional'])
return includes.values()
def generate_headers_header(self):
base_header_for_suffix = ''
if self.suffix:
base_header_for_suffix = '\n#include "core/%(namespace)sHeaders.h"\n' % {'namespace': self.namespace}
return HEADER_TEMPLATE % {
'license': license.license_for_generated_cpp(),
'namespace': self.namespace,
'suffix': self.suffix,
'base_header_for_suffix': base_header_for_suffix,
'includes': '\n'.join(self._headers_header_includes(self.in_file.name_dictionaries)),
}
@template_expander.use_jinja('EventFactory.cpp.tmpl', filters=filters)
def generate_implementation(self):
return {
'namespace': self.namespace,
'suffix': self.suffix,
'events': self.in_file.name_dictionaries,
}
if __name__ == "__main__":
in_generator.Maker(EventFactoryWriter).main(sys.argv)
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