def apply(self, name, value):
terms_counter_analyzer = TermsCounterAnalyzer(self._term_list)
terms = terms_counter_analyzer.get_variables_with_name(name)
if len(terms) == 0:
raise LookupError
self._remove_terms(terms)
for term in terms:
term.multiply(value)
self.add_term(ConstantBuilder().value(term.value).build())
def get_value_variable(self, name):
terms_counter_analyzer = TermsCounterAnalyzer(self._term_list)
terms = terms_counter_analyzer.get_variables_with_name(name)
if 1 == len(terms):
return terms[0].value
elif 1 < len(terms):
raise NotSimplified
else:
return 0
def apply_expression(self, name, expression):
terms_counter_analyzer = TermsCounterAnalyzer(self._term_list)
terms = terms_counter_analyzer.get_variables_with_name(name)
if len(terms) == 0:
raise LookupError
self._remove_terms(terms)
for term in terms:
temp_expression = expression.clon()
temp_expression.multiply(term.value)
self.add_expression(temp_expression)
def simplify_variable(self, name):
terms_counter_analyzer = TermsCounterAnalyzer(self._term_list)
terms = terms_counter_analyzer.get_variables_with_name(name)
if 0 == len(terms):
return
self._remove_terms(terms)
variable_value = self._get_added_terms_value(terms)
if 0 == variable_value:
self.add_term(ConstantBuilder().value(variable_value).build())
else:
self.add_term(Variable(name, variable_value))