gecko-dev/layout/style/ServoCSSPropList.mako.py

110 строки
3.3 KiB
Python

# 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"
<%!
# nsCSSPropertyID of longhands and shorthands is ordered alphabetically
# with vendor prefixes removed. Note that aliases use their alias name
# as order key directly because they may be duplicate without prefix.
def order_key(prop):
if prop.name.startswith("-"):
return prop.name[prop.name.find("-", 1) + 1:]
return prop.name
# 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
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 "GETCS_NEEDS_LAYOUT_FLUSH" in prop.flags:
result.append("GetCSNeedsLayoutFlush")
if "CAN_ANIMATE_ON_COMPOSITOR" in prop.flags:
result.append("CanAnimateOnCompositor")
return ", ".join('"CSSPropFlags::{}"'.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 sorted(data.longhands, key=order_key):
Longhand("${prop.name}", "${method(prop)}", "${prop.ident}", [${flags(prop)}], ${pref(prop)}),
% endfor
% for prop in sorted(data.shorthands, key=order_key):
Shorthand("${prop.name}", "${prop.camel_case}", "${prop.ident}", [${flags(prop)}], ${pref(prop)},
[${sub_properties(prop)}]),
% endfor
% for prop in sorted(data.all_aliases(), key=lambda x: x.name):
Alias("${prop.name}", "${prop.camel_case}", "${prop.ident}", "${prop.original.ident}", [], ${pref(prop)}),
% endfor
]