# Generated by Snowball 2.2.0 - https://snowballstem.org/
from .basestemmer import BaseStemmer
from .among import Among
class PorterStemmer(BaseStemmer):
'''
This class implements the stemming algorithm defined by a snowball script.
Generated by Snowball 2.2.0 - https://snowballstem.org/
'''
a_0 = [
Among(u"s", -1, 3),
Among(u"ies", 0, 2),
Among(u"sses", 0, 1),
Among(u"ss", 0, -1)
]
a_1 = [
Among(u"", -1, 3),
Among(u"bb", 0, 2),
Among(u"dd", 0, 2),
Among(u"ff", 0, 2),
Among(u"gg", 0, 2),
Among(u"bl", 0, 1),
Among(u"mm", 0, 2),
Among(u"nn", 0, 2),
Among(u"pp", 0, 2),
Among(u"rr", 0, 2),
Among(u"at", 0, 1),
Among(u"tt", 0, 2),
Among(u"iz", 0, 1)
]
a_2 = [
Among(u"ed", -1, 2),
Among(u"eed", 0, 1),
Among(u"ing", -1, 2)
]
a_3 = [
Among(u"anci", -1, 3),
Among(u"enci", -1, 2),
Among(u"abli", -1, 4),
Among(u"eli", -1, 6),
Among(u"alli", -1, 9),
Among(u"ousli", -1, 11),
Among(u"entli", -1, 5),
Among(u"aliti", -1, 9),
Among(u"biliti", -1, 13),
Among(u"iviti", -1, 12),
Among(u"tional", -1, 1),
Among(u"ational", 10, 8),
Among(u"alism", -1, 9),
Among(u"ation", -1, 8),
Among(u"ization", 13, 7),
Among(u"izer", -1, 7),
Among(u"ator", -1, 8),
Among(u"iveness", -1, 12),
Among(u"fulness", -1, 10),
Among(u"ousness", -1, 11)
]
a_4 = [
Among(u"icate", -1, 2),
Among(u"ative", -1, 3),
Among(u"alize", -1, 1),
Among(u"iciti", -1, 2),
Among(u"ical", -1, 2),
Among(u"ful", -1, 3),
Among(u"ness", -1, 3)
]
a_5 = [
Among(u"ic", -1, 1),
Among(u"ance", -1, 1),
Among(u"ence", -1, 1),
Among(u"able", -1, 1),
Among(u"ible", -1, 1),
Among(u"ate", -1, 1),
Among(u"ive", -1, 1),
Among(u"ize", -1, 1),
Among(u"iti", -1, 1),
Among(u"al", -1, 1),
Among(u"ism", -1, 1),
Among(u"ion", -1, 2),
Among(u"er", -1, 1),
Among(u"ous", -1, 1),
Among(u"ant", -1, 1),
Among(u"ent", -1, 1),
Among(u"ment", 15, 1),
Among(u"ement", 16, 1),
Among(u"ou", -1, 1)
]
g_v = [17, 65, 16, 1]
g_v_WXY = [1, 17, 65, 208, 1]
B_Y_found = False
I_p2 = 0
I_p1 = 0
def __r_shortv(self):
if not self.out_grouping_b(PorterStemmer.g_v_WXY, 89, 121):
return False
if not self.in_grouping_b(PorterStemmer.g_v, 97, 121):
return False
if not self.out_grouping_b(PorterStemmer.g_v, 97, 121):
return False
return True
def __r_R1(self):
if not self.I_p1 <= self.cursor:
return False
return True
def __r_R2(self):
if not self.I_p2 <= self.cursor:
return False
return True
def __r_Step_1a(self):
self.ket = self.cursor
among_var = self.find_among_b(PorterStemmer.a_0)
if among_var == 0:
return False
self.bra = self.cursor
if among_var == 1:
if not self.slice_from(u"ss"):
return False
elif among_var == 2:
if not self.slice_from(u"i"):
return False
elif among_var == 3:
if not self.slice_del():
return False
return True
def __r_Step_1b(self):
self.ket = self.cursor
among_var = self.find_among_b(PorterStemmer.a_2)
if among_var == 0:
return False
self.bra = self.cursor
if among_var == 1:
if not self.__r_R1():
return False
if not self.slice_from(u"ee"):
return False
else:
v_1 = self.limit - self.cursor
if not self.go_out_grouping_b(PorterStemmer.g_v, 97, 121):
return False
self.cursor -= 1
self.cursor = self.limit - v_1
if not self.slice_del():
return False
v_2 = self.limit - self.cursor
among_var = self.find_among_b(PorterStemmer.a_1)
if among_var == 0:
return False
self.cursor = self.limit - v_2
if among_var == 1:
c = self.cursor
self.insert(self.cursor, self.cursor, u"e")
self.cursor = c
elif among_var == 2:
self.ket = self.cursor
if self.cursor <= self.limit_backward:
return False
self.cursor -= 1
self.bra = self.cursor
if not self.slice_del():
return False
else:
if self.cursor != self.I_p1:
return False
v_3 = self.limit - self.cursor
if not self.__r_shortv():
return False
self.cursor = self.limit - v_3
c = self.cursor
self.insert(self.cursor, self.cursor, u"e")
self.cursor = c
return True
def __r_Step_1c(self):
self.ket = self.cursor
try:
v_1 = self.limit - self.cursor
try:
if not self.eq_s_b(u"y"):
raise lab1()
raise lab0()
except lab1: pass
self.cursor = self.limit - v_1
if not self.eq_s_b(u"Y"):
return False
except lab0: pass
self.bra = self.cursor
if not self.go_out_grouping_b(PorterStemmer.g_v, 97, 121):
return False
self.cursor -= 1
if not self.slice_from(u"i"):
return False
return True
def __r_Step_2(self):
self.ket = self.cursor
among_var = self.find_among_b(PorterStemmer.a_3)
if among_var == 0:
return False
self.bra = self.cursor
if not self.__r_R1():
return False
if among_var == 1:
if not self.slice_from(u"tion"):
return False
elif among_var == 2:
if not self.slice_from(u"ence"):
return False
elif among_var == 3:
if not self.slice_from(u"ance"):
return False
elif among_var == 4:
if not self.slice_from(u"able"):
return False
elif among_var == 5:
if not self.slice_from(u"ent"):
return False
elif among_var == 6:
if not self.slice_from(u"e"):
return False
elif among_var == 7:
if not self.slice_from(u"ize"):
return False
elif among_var == 8:
if not self.slice_from(u"ate"):
return False
elif among_var == 9:
if not self.slice_from(u"al"):
return False
elif among_var == 10:
if not self.slice_from(u"ful"):
return False
elif among_var == 11:
if not self.slice_from(u"ous"):
return False
elif among_var == 12:
if not self.slice_from(u"ive"):
return False
else:
if not self.slice_from(u"ble"):
return False
return True
def __r_Step_3(self):
self.ket = self.cursor
among_var = self.find_among_b(PorterStemmer.a_4)
if among_var == 0:
return False
self.bra = self.cursor
if not self.__r_R1():
return False
if among_var == 1:
if not self.slice_from(u"al"):
return False
elif among_var == 2:
if not self.slice_from(u"ic"):
return False
else:
if not self.slice_del():
return False
return True
def __r_Step_4(self):
self.ket = self.cursor
among_var = self.find_among_b(PorterStemmer.a_5)
if among_var == 0:
return False
self.bra = self.cursor
if not self.__r_R2():
return False
if among_var == 1:
if not self.slice_del():
return False
else:
try:
v_1 = self.limit - self.cursor
try:
if not self.eq_s_b(u"s"):
raise lab1()
raise lab0()
except lab1: pass
self.cursor = self.limit - v_1
if not self.eq_s_b(u"t"):
return False
except lab0: pass
if not self.slice_del():
return False
return True
def __r_Step_5a(self):
self.ket = self.cursor
if not self.eq_s_b(u"e"):
return False
self.bra = self.cursor
try:
v_1 = self.limit - self.cursor
try:
if not self.__r_R2():
raise lab1()
raise lab0()
except lab1: pass
self.cursor = self.limit - v_1
if not self.__r_R1():
return False
v_2 = self.limit - self.cursor
try:
if not self.__r_shortv():
raise lab2()
return False
except lab2: pass
self.cursor = self.limit - v_2
except lab0: pass
if not self.slice_del():
return False
return True
def __r_Step_5b(self):
self.ket = self.cursor
if not self.eq_s_b(u"l"):
return False
self.bra = self.cursor
if not self.__r_R2():
return False
if not self.eq_s_b(u"l"):
return False
if not self.slice_del():
return False
return True
def _stem(self):
self.B_Y_found = False
v_1 = self.cursor
try:
self.bra = self.cursor
if not self.eq_s(u"y"):
raise lab0()
self.ket = self.cursor
if not self.slice_from(u"Y"):
return False
self.B_Y_found = True
except lab0: pass
self.cursor = v_1
v_2 = self.cursor
try:
while True:
v_3 = self.cursor
try:
try:
while True:
v_4 = self.cursor
try:
if not self.in_grouping(PorterStemmer.g_v, 97, 121):
raise lab4()
self.bra = self.cursor
if not self.eq_s(u"y"):
raise lab4()
self.ket = self.cursor
self.cursor = v_4
raise lab3()
except lab4: pass
self.cursor = v_4
if self.cursor >= self.limit:
raise lab2()
self.cursor += 1
except lab3: pass
if not self.slice_from(u"Y"):
return False
self.B_Y_found = True
continue
except lab2: pass
self.cursor = v_3
break
except lab1: pass
self.cursor = v_2
self.I_p1 = self.limit
self.I_p2 = self.limit
v_5 = self.cursor
try:
if not self.go_out_grouping(PorterStemmer.g_v, 97, 121):
raise lab5()
self.cursor += 1
if not self.go_in_grouping(PorterStemmer.g_v, 97, 121):
raise lab5()
self.cursor += 1
self.I_p1 = self.cursor
if not self.go_out_grouping(PorterStemmer.g_v, 97, 121):
raise lab5()
self.cursor += 1
if not self.go_in_grouping(PorterStemmer.g_v, 97, 121):
raise lab5()
self.cursor += 1
self.I_p2 = self.cursor
except lab5: pass
self.cursor = v_5
self.limit_backward = self.cursor
self.cursor = self.limit
v_6 = self.limit - self.cursor
self.__r_Step_1a()
self.cursor = self.limit - v_6
v_7 = self.limit - self.cursor
self.__r_Step_1b()
self.cursor = self.limit - v_7
v_8 = self.limit - self.cursor
self.__r_Step_1c()
self.cursor = self.limit - v_8
v_9 = self.limit - self.cursor
self.__r_Step_2()
self.cursor = self.limit - v_9
v_10 = self.limit - self.cursor
self.__r_Step_3()
self.cursor = self.limit - v_10
v_11 = self.limit - self.cursor
self.__r_Step_4()
self.cursor = self.limit - v_11
v_12 = self.limit - self.cursor
self.__r_Step_5a()
self.cursor = self.limit - v_12
v_13 = self.limit - self.cursor
self.__r_Step_5b()
self.cursor = self.limit - v_13
self.cursor = self.limit_backward
v_14 = self.cursor
try:
if not self.B_Y_found:
raise lab6()
while True:
v_15 = self.cursor
try:
try:
while True:
v_16 = self.cursor
try:
self.bra = self.cursor
if not self.eq_s(u"Y"):
raise lab9()
self.ket = self.cursor
self.cursor = v_16
raise lab8()
except lab9: pass
self.cursor = v_16
if self.cursor >= self.limit:
raise lab7()
self.cursor += 1
except lab8: pass
if not self.slice_from(u"y"):
return False
continue
except lab7: pass
self.cursor = v_15
break
except lab6: pass
self.cursor = v_14
return True
class lab0(BaseException): pass
class lab1(BaseException): pass
class lab2(BaseException): pass
class lab3(BaseException): pass
class lab4(BaseException): pass
class lab5(BaseException): pass
class lab6(BaseException): pass
class lab7(BaseException): pass
class lab8(BaseException): pass
class lab9(BaseException): pass