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# -*- coding: utf-8 -*-
#
# AWL simulator - datablocks
# Copyright 2012-2013 Michael Buesch <m@bues.ch>
#
# Licensed under the terms of the GNU General Public License version 2.
#
from util import *
from awloperators import *
from awldatatypes import *
class DBByte(GenericByte):
def __init__(self, value=0):
GenericByte.__init__(self, value)
class DB(object):
class Field(object):
def __init__(self, name, offset, size):
self.name = name
self.offset = offset
self.size = size
def __init__(self, index):
self.index = index
self.dataBytes = []
self.fields = { }
def addField(self, fieldData, size, name=None):
for i in range(size // 8 - 1, -1, -1):
d = (fieldData >> (i * 8)) & 0xFF
self.dataBytes.append(DBByte(d))
if name:
f = self.Field(name,
len(self.dataBytes) - size,
size)
self.fields[name] = f
def fetch(self, operator):
return AwlOperator.fetchFromByteArray(self.dataBytes,
operator)
def store(self, operator, value):
AwlOperator.storeToByteArray(self.dataBytes,
operator, value)
def __repr__(self):
return "DB %d" % self.index
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