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# Copyright (c) 2022 Intel and/or its affiliates.
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at:
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import ExpressionConverter
from InputFormat import *
class NodeField:
def __init__(self):
self.DefaultValue = None
self.IsReserved = None
self.IsReadonly = None
self.IsAutoIncrease = None
self.IsIncreaseLength = None
self.Optional = None
self.VariableSize = None
def Create(token):
if token == None:
return None
field = NodeField()
if token["name"] == None:
return None
if token["size"] == None:
return None
# name
field.Name = token["name"]
if field.Name == "reserved":
field.IsReserved = True
inputFormat = InputFormat.bytearray
res, u16 = ExpressionConverter.ToNum(token["size"])
# size
if res:
field.Size = u16
if u16 <= 8:
inputFormat = InputFormat.u8
elif u16 <= 16:
inputFormat = InputFormat.u16
elif u16 <= 32:
inputFormat = InputFormat.u32
elif u16 <= 64:
inputFormat = InputFormat.u64
else:
inputFormat = InputFormat.bytearray
else:
field.Size = 0
field.VariableSize = token["size"]
if "format" in token and token["format"] != None:
inputFormat = InputFormat[token["format"]]
field.Format = inputFormat
if "default" in token and token["default"] != None:
field.DefaultValue = token["default"]
ret, _ = ExpressionConverter.Verify(field.Format, field.DefaultValue)
if not ret:
return None
if "readonly" in token and token["readonly"] == "true" or field.IsReserved:
field.IsReadonly = True
if "autoincrease" in token and token["autoincrease"] == "true":
field.IsAutoIncrease = True
field.IsReadonly = True
if "increaselength" in token and token["increaselength"] == "true":
field.IsIncreaseLength = True
if "optional" in token:
field.Optional = token["optional"]
return field
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