def at(self, name, fn, options):
index = self.__find(name)
opt = options or {}
if index == -1:
return throwError('Parser rule not found:' + name)
self.__rules[index]['fn'] = fn
self.__rules[index]['alt'] = opt['alt'] or []
self.__cache = None
def after(self, afterName, ruleName, fn, options):
index = self.__find(afterName)
opt = options or {}
if index == -1:
return throwError('Parser rule not found: ' + afterName)
self.__rules.insert(index + 1, {
'name': ruleName,
'enabled': True,
'fn': fn,
'alt': opt['alt'] or []
})
self.__cache = None
def disable(self, array, ignoreInvalid=None):
if not isinstance(array, list):
array = [array]
result = []
for name in array:
idx = self.__find(name)
if idx < 0:
if ignoreInvalid:
return
return throwError('Rules manager: invalid rule name ' + name)
self.__rules[idx]['enabled'] = False
result.append(name)
self.__cache = None
return result