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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.
from collections import defaultdict
import json5_generator
import template_expander
from make_qualified_names import MakeQualifiedNamesWriter
class MakeElementFactoryWriter(MakeQualifiedNamesWriter):
default_parameters = {
'JSInterfaceName': {},
'Conditional': {},
'constructorNeedsCreateElementFlags': {},
'interfaceHeaderDir': {},
'interfaceName': {},
'noConstructor': {},
'noTypeHelpers': {},
'runtimeEnabled': {},
'runtimeFlagHasOriginTrial': {},
}
default_metadata = dict(
MakeQualifiedNamesWriter.default_metadata, **{
'fallbackInterfaceName': '',
'fallbackJSInterfaceName': '',
})
filters = MakeQualifiedNamesWriter.filters
def __init__(self, json5_file_paths, output_dir, generate_tag_enum=False):
super(MakeElementFactoryWriter, self).__init__(json5_file_paths,
output_dir)
basename = self.namespace.lower() + '_element_factory'
self._outputs.update({
(basename + '.h'):
self.generate_factory_header,
(basename + '.cc'):
self.generate_factory_implementation,
})
fallback_interface = self.tags_json5_file.metadata[
'fallbackInterfaceName'].strip('"')
fallback_js_interface = self.tags_json5_file.metadata[
'fallbackJSInterfaceName'].strip('"') or fallback_interface
interface_counts = defaultdict(int)
tags = self._template_context['tags']
for tag in tags:
tag['has_js_interface'] = self._has_js_interface(tag)
tag['js_interface'] = self._js_interface(tag)
tag['interface'] = self._interface(tag)
tag['interface_header'] = '%s/%s.h' % (self._interface_header_dir(
tag), self.get_file_basename(tag['interface']))
interface_counts[tag['interface']] += 1
for tag in tags:
tag['multipleTagNames'] = (interface_counts[tag['interface']] > 1
or
tag['interface'] == fallback_interface)
self._template_context.update({
'fallback_interface':
fallback_interface,
'fallback_interface_header':
self.get_file_basename(fallback_interface) + '.h',
'fallback_js_interface':
fallback_js_interface,
'input_files':
self._input_files,
'generate_tag_enum':
generate_tag_enum
})
@template_expander.use_jinja(
'templates/element_factory.h.tmpl', filters=filters)
def generate_factory_header(self):
return self._template_context
@template_expander.use_jinja(
'templates/element_factory.cc.tmpl', filters=filters)
def generate_factory_implementation(self):
return self._template_context
def _interface(self, tag):
if tag['interfaceName']:
return tag['interfaceName']
name = tag['name'].to_upper_camel_case()
# FIXME: We shouldn't hard-code HTML here.
if name == 'HTML':
name = 'Html'
return '%s%sElement' % (self.namespace, name)
def _js_interface(self, tag):
if tag['JSInterfaceName']:
return tag['JSInterfaceName']
return self._interface(tag)
def _has_js_interface(self, tag):
return not tag['noConstructor'] and self._js_interface(tag) != (
'%sElement' % self.namespace)
def _interface_header_dir(self, tag):
if tag['interfaceHeaderDir']:
return tag['interfaceHeaderDir']
return 'third_party/blink/renderer/core/' + self.namespace.lower()
if __name__ == "__main__":
json5_generator.Maker(MakeElementFactoryWriter).main()
|
