def __init__(self):
self.result = []
self.event_list = {}
self.cond_parser = ConditionParser()
self.expr_parser = ExpressionParser([">=", "<=", ">", "<", "=", "<>"])
self.cond_parser.add_and_operator(" and ")
self.cond_parser.add_and_operator("&")
self.cond_parser.add_or_operator(" or ")
self.cond_parser.add_or_operator("|")
self.expr_parser.add_function_token("count")
self.expr_parser.add_function_token("size")
self.expr_parser.add_function_token("speed")
self.manager = EventManager()
for k in self.manager.EVENT_LIST.keys():
self.expr_parser.add_parameter_token(k)
self.expr_parser.add_parameter_token("custom")
class ConditionExpressionParser:
def __init__(self):
self.result = []
self.event_list = {}
self.cond_parser = ConditionParser()
self.expr_parser = ExpressionParser([">=", "<=", ">", "<", "=", "<>"])
self.cond_parser.add_and_operator(" and ")
self.cond_parser.add_and_operator("&")
self.cond_parser.add_or_operator(" or ")
self.cond_parser.add_or_operator("|")
self.expr_parser.add_function_token("count")
self.expr_parser.add_function_token("size")
self.expr_parser.add_function_token("speed")
self.manager = EventManager()
for k in self.manager.EVENT_LIST.keys():
self.expr_parser.add_parameter_token(k)
self.expr_parser.add_parameter_token("custom")
def parse(self, condexpr):
self.result = self.cond_parser.parse_cond(condexpr)
self.recursive_split(self.result)
return self.result, self.event_list
def recursive_split(self, recursive_list):
if len(recursive_list) == 1:
while (type(recursive_list[0]) is str) is False:
recursive_list = recursive_list[0]
recursive_list[0] = self.expr_parser.parse_expr(recursive_list[0])
for i in range(1, 3):
if len(recursive_list[0][i]) > 2:
print "Syntax error"
exit()
if len(recursive_list[0][i]) > 1:
if recursive_list[0][i][0] not in self.manager.SIZE_EVENT and recursive_list[0][i][1] == "size":
print "Event '" + recursive_list[0][i][0] + "' cannot get size data."
exit()
if recursive_list[0][i][0] not in self.event_list:
self.event_list[recursive_list[0][i][0]] = None
else:
self.recursive_split(recursive_list[1])
self.recursive_split(recursive_list[2])
