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'''
Created on ١٩/٠٣/٢٠١٠
@Created by: Muhammad Altabba
'''
from .TransitionActions import TransitionActions
class State(object):
"""
# PyUML: Do not remove this line! # XMI_ID:_qzIH5I35Ed-gg8GOK1TmhA
"""
'''
State of Graph
'''
Id = None;
#
# NextStates = dict();
# #Mapping between Sates and Conditions .
# #Move to a desired state on some conditions.
# #NextStates[NEXT_STATE] = [[CONDITIONS_LIST_1, ACTIONS_LIST_1], [CONDITIONS_LIST_2, ACTIONS_LIST_2],...]
# #Note: all CONDITIONS_LIST_1 must be satisfied to do ACTIONS_LIST_1. Or all CONDITIONS_LIST_2 must be satisfied to do ACTIONS_LIST_2.
Transitions = [];
IsStart = False;
IsEnd = False;
def __init__(self, id = None, transitions = None):
'''
Constructor
'''
self.Id = id;
if transitions == None:
self.Transitions = [];
self.IsStart = False;
self.IsEnd = False;
def NextStateWithActions(self, word, charIndex = None, charIndexForward = True):
'''
[charIndexForward] is used to specify the look ahead direction is it forward or backward.
'''
# print('-- NextStateWithActions...');
for l in range(len(self.Transitions)):
conditions = self.Transitions[l].Conditions;
transitionActions = TransitionActions([], []);
transitionActions.Actions = [action for action in self.Transitions[l].Actions.Actions];
transitionActions.OnInnerIndexes = [i for i in range(len(word.SurfaceFormMorphemes))];
nextState = self.Transitions[l].NextState;
numberToConsume = self.Transitions[l].Consume;
conditionSatisfied = True;
# print('-- Transitions loop...');
for j in range(len(conditions)):
if(charIndex == None):
# print('-- charIndex == None');
result = conditions[j].TestMatch(word, transitionActions, [charIndex]);
else:
# print('-- charIndex != None');
if(charIndexForward == True):
# print('-- charIndexForward == True');
if(charIndex < 0 or charIndex+numberToConsume >= len(word.String)):
conditionSatisfied = False;
break;
# print('-- TestMatch');
result = conditions[j].TestMatch(word, transitionActions, range(charIndex, charIndex+numberToConsume));
elif(charIndexForward == False):
# print('-- charIndexForward == False');
# print('-- charIndex = '+str(charIndex));
# print('-- numberToConsume = '+str(numberToConsume));
# print('-- len(word.String) = '+str(len(word.String)));
if(charIndex-numberToConsume+1 < 0 or charIndex+1 > len(word.String)):
conditionSatisfied = False;
break;
# print('-- TestMatch');
result = conditions[j].TestMatch(word, transitionActions, range(charIndex-numberToConsume+1, charIndex+1));
else:
raise Exception('Unexpected value ['+charIndexForward+'] for variable: charIndexForward');
if result != True:
conditionSatisfied = False;
break;
if conditionSatisfied == True:
return [nextState, transitionActions, numberToConsume];
return [None, None, None];
pass
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