def __parsefile(self, input_file, sort_method, ascending_check,
sort_by_value):
# checks for sorting method and creates object accordingly
if sort_method == "1":
exp_list = SortedList(ascending_check)
elif sort_method == "2":
exp_list = []
for i in range(len(input_file)):
try:
input_file[i].replace(' ', '')
expression = Expression(input_file[i])
expression.parse_tree()
expression.set_sort_value(sort_by_value)
except Exception as e:
print("\nInvalid expression at line " + str(i + 1) +
". Skipping expression")
print(e)
continue
if sort_method == "1":
exp_list.insert(expression)
elif sort_method == "2":
exp_list.append(expression)
if sort_method == "2":
sort_expressions(exp_list, ascending_check)
return exp_list
