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# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at https://mozilla.org/MPL/2.0/.
def _assign_slots(obj, args):
for i, attr in enumerate(obj.__slots__):
setattr(obj, attr, args[i])
class Longhand(object):
__slots__ = ["name", "method", "id", "flags", "pref"]
def __init__(self, *args):
_assign_slots(self, args)
@staticmethod
def type():
return "longhand"
class Shorthand(object):
__slots__ = ["name", "method", "id", "flags", "pref", "subprops"]
def __init__(self, *args):
_assign_slots(self, args)
@staticmethod
def type():
return "shorthand"
class Alias(object):
__slots__ = ["name", "method", "alias_id", "prop_id", "flags", "pref"]
def __init__(self, *args):
_assign_slots(self, args)
@staticmethod
def type():
return "alias"
<%!
# See bug 1454823 for situation of internal flag.
def is_internal(prop):
# A property which is not controlled by pref and not enabled in
# content by default is an internal property.
if not prop.gecko_pref and not prop.enabled_in_content():
return True
# There are some special cases we may want to remove eventually.
OTHER_INTERNALS = [
"-moz-context-properties",
"-moz-control-character-visibility",
]
return prop.name in OTHER_INTERNALS
def method(prop):
if prop.name == "float":
return "CssFloat"
if prop.name.startswith("-x-"):
return prop.camel_case[1:]
return prop.camel_case
# TODO(emilio): Get this to zero.
LONGHANDS_NOT_SERIALIZED_WITH_SERVO = [
# Servo serializes one value when both are the same, a few tests expect two.
"border-spacing",
# Resolved value should be zero when the column-rule-style is none.
"column-rule-width",
# These resolve auto to zero in a few cases, but not all.
"max-height",
"max-width",
"min-height",
"min-width",
# resistfingerprinting stuff.
"-moz-osx-font-smoothing",
# Layout dependent.
"width",
"height",
"line-height",
"grid-template-rows",
"grid-template-columns",
"perspective-origin",
"transform-origin",
"transform",
"top",
"right",
"bottom",
"left",
"border-top-width",
"border-right-width",
"border-bottom-width",
"border-left-width",
"margin-top",
"margin-right",
"margin-bottom",
"margin-left",
"padding-top",
"padding-right",
"padding-bottom",
"padding-left",
]
def serialized_by_servo(prop):
if prop.type() == "shorthand":
# FIXME: Need to serialize a value interpolated with currentcolor
# properly to be able to use text-decoration, and figure out what to do
# with relative mask urls.
return prop.name != "text-decoration" and prop.name != "mask"
# Keywords are all fine, except -moz-osx-font-smoothing, which does
# resistfingerprinting stuff.
if prop.keyword and prop.name != "-moz-osx-font-smoothing":
return True
return prop.name not in LONGHANDS_NOT_SERIALIZED_WITH_SERVO
def exposed_on_getcs(prop):
if prop.type() == "longhand":
return not is_internal(prop)
# TODO: bug 137688 / https://github.com/w3c/csswg-drafts/issues/2529
if prop.type() == "shorthand":
return "SHORTHAND_IN_GETCS" in prop.flags
def flags(prop):
result = []
if prop.explicitly_enabled_in_chrome():
result.append("EnabledInUASheetsAndChrome")
elif prop.explicitly_enabled_in_ua_sheets():
result.append("EnabledInUASheets")
if is_internal(prop):
result.append("Internal")
if prop.enabled_in == "":
result.append("Inaccessible")
if "CAN_ANIMATE_ON_COMPOSITOR" in prop.flags:
result.append("CanAnimateOnCompositor")
if exposed_on_getcs(prop):
result.append("ExposedOnGetCS")
if serialized_by_servo(prop):
result.append("SerializedByServo")
if prop.type() == "longhand" and prop.logical:
result.append("IsLogical")
return ", ".join('"{}"'.format(flag) for flag in result)
def pref(prop):
if prop.gecko_pref:
return '"' + prop.gecko_pref + '"'
return '""'
def sub_properties(prop):
return ", ".join('"{}"'.format(p.ident) for p in prop.sub_properties)
%>
data = [
% for prop in data.longhands:
Longhand("${prop.name}", "${method(prop)}", "${prop.ident}", [${flags(prop)}], ${pref(prop)}),
% endfor
% for prop in data.shorthands:
Shorthand("${prop.name}", "${prop.camel_case}", "${prop.ident}", [${flags(prop)}], ${pref(prop)},
[${sub_properties(prop)}]),
% endfor
% for prop in data.all_aliases():
Alias("${prop.name}", "${prop.camel_case}", "${prop.ident}", "${prop.original.ident}", [], ${pref(prop)}),
% endfor
]
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