Index: third_party/WebKit/Source/build/scripts/make_computed_style_base.py |
diff --git a/third_party/WebKit/Source/build/scripts/make_computed_style_base.py b/third_party/WebKit/Source/build/scripts/make_computed_style_base.py |
index a181350f4317cdd9e5071746d0333e3497525437..f6c3dd2537c8b0493ab4b189d8447031c939c79a 100755 |
--- a/third_party/WebKit/Source/build/scripts/make_computed_style_base.py |
+++ b/third_party/WebKit/Source/build/scripts/make_computed_style_base.py |
@@ -74,6 +74,19 @@ class Group(object): |
self.all_fields = _flatten_list(subgroup.all_fields for subgroup in subgroups) + fields |
+class DiffGroup(object): |
+ """Represents a group of expressions and subgroups that need to be diffed |
+ for a function in ComputedStyle. |
+ |
+ Attributes: |
+ subgroups: List of DiffGroup instances that are stored as subgroups under this group. |
+ expressions: List of expression that are on this group that need to be diffed. |
+ """ |
+ def __init__(self, group_name): |
+ self.group_name = group_name |
+ self.subgroups = [] |
+ self.expressions = [] |
+ |
alancutter (OOO until 2018)
2017/05/12 04:04:50
Two newlines between class definitions.
nainar
2017/05/12 05:05:36
Done.
|
class Field(object): |
""" |
The generated ComputedStyle object is made up of a series of Fields. |
@@ -139,6 +152,10 @@ class Field(object): |
self.internal_setter_method_name = method_name(join_name(setter_method_name, 'Internal')) |
self.initial_method_name = initial_method_name |
self.resetter_method_name = method_name(join_name('Reset', name_for_methods)) |
+ if self.group_name: |
+ self.getter_expression = self.group_member_name + '->' + class_member_name(self.name) |
+ else: |
+ self.getter_expression = class_member_name(self.name) |
# If the size of the field is not None, it means it is a bit field |
self.is_bit_field = self.size is not None |
@@ -168,6 +185,24 @@ def _group_fields(fields): |
return Group('', subgroups=subgroups, fields=_reorder_fields(no_group)) |
+def _create_diff_groups_map(diff_function_inputs, root_group): |
+ diff_functions_map = {} |
+ for entry in diff_function_inputs: |
+ diff_functions_map[entry['name']] = _create_diff_groups(entry['fields'], root_group) |
+ return diff_functions_map |
+ |
+ |
+def _create_diff_groups(fields_to_diff, root_group): |
+ diff_group = DiffGroup(root_group.member_name) |
+ for subgroup in root_group.subgroups: |
+ if any(field.property_name in fields_to_diff for field in subgroup.all_fields): |
+ diff_group.subgroups.append(_create_diff_groups(fields_to_diff, subgroup)) |
+ for field in root_group.fields: |
+ if field.property_name in fields_to_diff: |
+ diff_group.expressions.append(field.getter_expression) |
+ return diff_group |
+ |
+ |
def _create_enums(properties): |
""" |
Returns an OrderedDict of enums to be generated, enum name -> [list of enum values] |
@@ -373,6 +408,9 @@ class ComputedStyleBaseWriter(make_style_builder.StyleBuilderWriter): |
# Organise fields into a tree structure where the root group |
# is ComputedStyleBase. |
self._root_group = _group_fields(all_fields) |
+ self._diff_functions_map = _create_diff_groups_map(json5_generator.Json5File.load_from_files( |
+ [json5_file_paths[2]] |
+ ).name_dictionaries, self._root_group) |
self._include_paths = _get_include_paths(all_properties) |
self._outputs = { |
@@ -396,6 +434,7 @@ class ComputedStyleBaseWriter(make_style_builder.StyleBuilderWriter): |
'properties': self._properties, |
'enums': self._generated_enums, |
'computed_style': self._root_group, |
+ 'diff_functions_map': self._diff_functions_map, |
} |
@template_expander.use_jinja('ComputedStyleBaseConstants.h.tmpl') |