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# -*- coding: utf-8 -*-
#
# AWL simulator - Library entry selection
#
# Copyright 2014 Michael Buesch <m@bues.ch>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
from __future__ import division, absolute_import, print_function, unicode_literals
from awlsim.common.compat import *
from awlsim.common.enumeration import *
class AwlLibEntrySelection(object):
"""AWL library entry selection."""
# Library entry type.
# This enumeration is awlsim-coreserver API!
EnumGen.start
TYPE_UNKNOWN = EnumGen.item
TYPE_FC = EnumGen.item
TYPE_FB = EnumGen.item
EnumGen.end
def __init__(self, libName="",
entryType=TYPE_UNKNOWN,
entryIndex=-1, effectiveEntryIndex=-1):
self.setLibName(libName)
self.setEntryType(entryType)
self.setEntryIndex(entryIndex)
self.setEffectiveEntryIndex(effectiveEntryIndex)
def setLibName(self, libName):
self.__libName = libName.strip()
def getLibName(self):
return self.__libName
def setEntryType(self, entryType):
if entryType not in (self.TYPE_UNKNOWN,
self.TYPE_FC,
self.TYPE_FB):
raise AwlSimError("Library selection: "
"Invalid entry type %d." %\
entryType)
self.__entryType = entryType
def getEntryType(self):
return self.__entryType
def getEntryTypeStr(self):
return {
self.TYPE_UNKNOWN : "UNKNOWN",
self.TYPE_FC : "FC",
self.TYPE_FB : "FB",
}[self.getEntryType()]
def setEntryIndex(self, entryIndex):
if entryIndex < -1 or entryIndex > 0xFFFF:
raise AwlSimError("Library selection: "
"Invalid entry index %d." %\
entryIndex)
self.__entryIndex = entryIndex
def getEntryIndex(self):
return self.__entryIndex
def setEffectiveEntryIndex(self, effectiveEntryIndex):
if effectiveEntryIndex < -1 or effectiveEntryIndex > 0xFFFF:
raise AwlSimError("Library selection: "
"Invalid effective entry index %d." %\
effectiveEntryIndex)
self.__effectiveEntryIndex = effectiveEntryIndex
def getEffectiveEntryIndex(self):
return self.__effectiveEntryIndex
def isValid(self):
return self.__libName and\
self.__entryType in (self.TYPE_FC, self.TYPE_FB) and\
self.__entryIndex >= 0 and\
self.__entryIndex <= 0xFFFF and\
self.__effectiveEntryIndex >= 0 and\
self.__effectiveEntryIndex <= 0xFFFF
def __repr__(self):
return "%s - %s %d (=> %s %d)" % (
self.getLibName(),
self.getEntryTypeStr(),
self.getEntryIndex(),
self.getEntryTypeStr(),
self.getEffectiveEntryIndex(),
)
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