# Generated by Snowball 2.2.0 - https://snowballstem.org/
from .basestemmer import BaseStemmer
from .among import Among
class ItalianStemmer(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"", -1, 7),
Among(u"qu", 0, 6),
Among(u"\u00E1", 0, 1),
Among(u"\u00E9", 0, 2),
Among(u"\u00ED", 0, 3),
Among(u"\u00F3", 0, 4),
Among(u"\u00FA", 0, 5)
]
a_1 = [
Among(u"", -1, 3),
Among(u"I", 0, 1),
Among(u"U", 0, 2)
]
a_2 = [
Among(u"la", -1, -1),
Among(u"cela", 0, -1),
Among(u"gliela", 0, -1),
Among(u"mela", 0, -1),
Among(u"tela", 0, -1),
Among(u"vela", 0, -1),
Among(u"le", -1, -1),
Among(u"cele", 6, -1),
Among(u"gliele", 6, -1),
Among(u"mele", 6, -1),
Among(u"tele", 6, -1),
Among(u"vele", 6, -1),
Among(u"ne", -1, -1),
Among(u"cene", 12, -1),
Among(u"gliene", 12, -1),
Among(u"mene", 12, -1),
Among(u"sene", 12, -1),
Among(u"tene", 12, -1),
Among(u"vene", 12, -1),
Among(u"ci", -1, -1),
Among(u"li", -1, -1),
Among(u"celi", 20, -1),
Among(u"glieli", 20, -1),
Among(u"meli", 20, -1),
Among(u"teli", 20, -1),
Among(u"veli", 20, -1),
Among(u"gli", 20, -1),
Among(u"mi", -1, -1),
Among(u"si", -1, -1),
Among(u"ti", -1, -1),
Among(u"vi", -1, -1),
Among(u"lo", -1, -1),
Among(u"celo", 31, -1),
Among(u"glielo", 31, -1),
Among(u"melo", 31, -1),
Among(u"telo", 31, -1),
Among(u"velo", 31, -1)
]
a_3 = [
Among(u"ando", -1, 1),
Among(u"endo", -1, 1),
Among(u"ar", -1, 2),
Among(u"er", -1, 2),
Among(u"ir", -1, 2)
]
a_4 = [
Among(u"ic", -1, -1),
Among(u"abil", -1, -1),
Among(u"os", -1, -1),
Among(u"iv", -1, 1)
]
a_5 = [
Among(u"ic", -1, 1),
Among(u"abil", -1, 1),
Among(u"iv", -1, 1)
]
a_6 = [
Among(u"ica", -1, 1),
Among(u"logia", -1, 3),
Among(u"osa", -1, 1),
Among(u"ista", -1, 1),
Among(u"iva", -1, 9),
Among(u"anza", -1, 1),
Among(u"enza", -1, 5),
Among(u"ice", -1, 1),
Among(u"atrice", 7, 1),
Among(u"iche", -1, 1),
Among(u"logie", -1, 3),
Among(u"abile", -1, 1),
Among(u"ibile", -1, 1),
Among(u"usione", -1, 4),
Among(u"azione", -1, 2),
Among(u"uzione", -1, 4),
Among(u"atore", -1, 2),
Among(u"ose", -1, 1),
Among(u"ante", -1, 1),
Among(u"mente", -1, 1),
Among(u"amente", 19, 7),
Among(u"iste", -1, 1),
Among(u"ive", -1, 9),
Among(u"anze", -1, 1),
Among(u"enze", -1, 5),
Among(u"ici", -1, 1),
Among(u"atrici", 25, 1),
Among(u"ichi", -1, 1),
Among(u"abili", -1, 1),
Among(u"ibili", -1, 1),
Among(u"ismi", -1, 1),
Among(u"usioni", -1, 4),
Among(u"azioni", -1, 2),
Among(u"uzioni", -1, 4),
Among(u"atori", -1, 2),
Among(u"osi", -1, 1),
Among(u"anti", -1, 1),
Among(u"amenti", -1, 6),
Among(u"imenti", -1, 6),
Among(u"isti", -1, 1),
Among(u"ivi", -1, 9),
Among(u"ico", -1, 1),
Among(u"ismo", -1, 1),
Among(u"oso", -1, 1),
Among(u"amento", -1, 6),
Among(u"imento", -1, 6),
Among(u"ivo", -1, 9),
Among(u"it\u00E0", -1, 8),
Among(u"ist\u00E0", -1, 1),
Among(u"ist\u00E8", -1, 1),
Among(u"ist\u00EC", -1, 1)
]
a_7 = [
Among(u"isca", -1, 1),
Among(u"enda", -1, 1),
Among(u"ata", -1, 1),
Among(u"ita", -1, 1),
Among(u"uta", -1, 1),
Among(u"ava", -1, 1),
Among(u"eva", -1, 1),
Among(u"iva", -1, 1),
Among(u"erebbe", -1, 1),
Among(u"irebbe", -1, 1),
Among(u"isce", -1, 1),
Among(u"ende", -1, 1),
Among(u"are", -1, 1),
Among(u"ere", -1, 1),
Among(u"ire", -1, 1),
Among(u"asse", -1, 1),
Among(u"ate", -1, 1),
Among(u"avate", 16, 1),
Among(u"evate", 16, 1),
Among(u"ivate", 16, 1),
Among(u"ete", -1, 1),
Among(u"erete", 20, 1),
Among(u"irete", 20, 1),
Among(u"ite", -1, 1),
Among(u"ereste", -1, 1),
Among(u"ireste", -1, 1),
Among(u"ute", -1, 1),
Among(u"erai", -1, 1),
Among(u"irai", -1, 1),
Among(u"isci", -1, 1),
Among(u"endi", -1, 1),
Among(u"erei", -1, 1),
Among(u"irei", -1, 1),
Among(u"assi", -1, 1),
Among(u"ati", -1, 1),
Among(u"iti", -1, 1),
Among(u"eresti", -1, 1),
Among(u"iresti", -1, 1),
Among(u"uti", -1, 1),
Among(u"avi", -1, 1),
Among(u"evi", -1, 1),
Among(u"ivi", -1, 1),
Among(u"isco", -1, 1),
Among(u"ando", -1, 1),
Among(u"endo", -1, 1),
Among(u"Yamo", -1, 1),
Among(u"iamo", -1, 1),
Among(u"avamo", -1, 1),
Among(u"evamo", -1, 1),
Among(u"ivamo", -1, 1),
Among(u"eremo", -1, 1),
Among(u"iremo", -1, 1),
Among(u"assimo", -1, 1),
Among(u"ammo", -1, 1),
Among(u"emmo", -1, 1),
Among(u"eremmo", 54, 1),
Among(u"iremmo", 54, 1),
Among(u"immo", -1, 1),
Among(u"ano", -1, 1),
Among(u"iscano", 58, 1),
Among(u"avano", 58, 1),
Among(u"evano", 58, 1),
Among(u"ivano", 58, 1),
Among(u"eranno", -1, 1),
Among(u"iranno", -1, 1),
Among(u"ono", -1, 1),
Among(u"iscono", 65, 1),
Among(u"arono", 65, 1),
Among(u"erono", 65, 1),
Among(u"irono", 65, 1),
Among(u"erebbero", -1, 1),
Among(u"irebbero", -1, 1),
Among(u"assero", -1, 1),
Among(u"essero", -1, 1),
Among(u"issero", -1, 1),
Among(u"ato", -1, 1),
Among(u"ito", -1, 1),
Among(u"uto", -1, 1),
Among(u"avo", -1, 1),
Among(u"evo", -1, 1),
Among(u"ivo", -1, 1),
Among(u"ar", -1, 1),
Among(u"ir", -1, 1),
Among(u"er\u00E0", -1, 1),
Among(u"ir\u00E0", -1, 1),
Among(u"er\u00F2", -1, 1),
Among(u"ir\u00F2", -1, 1)
]
g_v = [17, 65, 16, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 128, 128, 8, 2, 1]
g_AEIO = [17, 65, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 128, 128, 8, 2]
g_CG = [17]
I_p2 = 0
I_p1 = 0
I_pV = 0
def __r_prelude(self):
v_1 = self.cursor
while True:
v_2 = self.cursor
try:
self.bra = self.cursor
among_var = self.find_among(ItalianStemmer.a_0)
if among_var == 0:
raise lab0()
self.ket = self.cursor
if among_var == 1:
if not self.slice_from(u"\u00E0"):
return False
elif among_var == 2:
if not self.slice_from(u"\u00E8"):
return False
elif among_var == 3:
if not self.slice_from(u"\u00EC"):
return False
elif among_var == 4:
if not self.slice_from(u"\u00F2"):
return False
elif among_var == 5:
if not self.slice_from(u"\u00F9"):
return False
elif among_var == 6:
if not self.slice_from(u"qU"):
return False
else:
if self.cursor >= self.limit:
raise lab0()
self.cursor += 1
continue
except lab0: pass
self.cursor = v_2
break
self.cursor = v_1
while True:
v_3 = self.cursor
try:
try:
while True:
v_4 = self.cursor
try:
if not self.in_grouping(ItalianStemmer.g_v, 97, 249):
raise lab3()
self.bra = self.cursor
try:
v_5 = self.cursor
try:
if not self.eq_s(u"u"):
raise lab5()
self.ket = self.cursor
if not self.in_grouping(ItalianStemmer.g_v, 97, 249):
raise lab5()
if not self.slice_from(u"U"):
return False
raise lab4()
except lab5: pass
self.cursor = v_5
if not self.eq_s(u"i"):
raise lab3()
self.ket = self.cursor
if not self.in_grouping(ItalianStemmer.g_v, 97, 249):
raise lab3()
if not self.slice_from(u"I"):
return False
except lab4: pass
self.cursor = v_4
raise lab2()
except lab3: pass
self.cursor = v_4
if self.cursor >= self.limit:
raise lab1()
self.cursor += 1
except lab2: pass
continue
except lab1: pass
self.cursor = v_3
break
return True
def __r_mark_regions(self):
self.I_pV = self.limit
self.I_p1 = self.limit
self.I_p2 = self.limit
v_1 = self.cursor
try:
try:
v_2 = self.cursor
try:
if not self.in_grouping(ItalianStemmer.g_v, 97, 249):
raise lab2()
try:
v_3 = self.cursor
try:
if not self.out_grouping(ItalianStemmer.g_v, 97, 249):
raise lab4()
if not self.go_out_grouping(ItalianStemmer.g_v, 97, 249):
raise lab4()
self.cursor += 1
raise lab3()
except lab4: pass
self.cursor = v_3
if not self.in_grouping(ItalianStemmer.g_v, 97, 249):
raise lab2()
if not self.go_in_grouping(ItalianStemmer.g_v, 97, 249):
raise lab2()
self.cursor += 1
except lab3: pass
raise lab1()
except lab2: pass
self.cursor = v_2
if not self.out_grouping(ItalianStemmer.g_v, 97, 249):
raise lab0()
try:
v_4 = self.cursor
try:
if not self.out_grouping(ItalianStemmer.g_v, 97, 249):
raise lab6()
if not self.go_out_grouping(ItalianStemmer.g_v, 97, 249):
raise lab6()
self.cursor += 1
raise lab5()
except lab6: pass
self.cursor = v_4
if not self.in_grouping(ItalianStemmer.g_v, 97, 249):
raise lab0()
if self.cursor >= self.limit:
raise lab0()
self.cursor += 1
except lab5: pass
except lab1: pass
self.I_pV = self.cursor
except lab0: pass
self.cursor = v_1
v_5 = self.cursor
try:
if not self.go_out_grouping(ItalianStemmer.g_v, 97, 249):
raise lab7()
self.cursor += 1
if not self.go_in_grouping(ItalianStemmer.g_v, 97, 249):
raise lab7()
self.cursor += 1
self.I_p1 = self.cursor
if not self.go_out_grouping(ItalianStemmer.g_v, 97, 249):
raise lab7()
self.cursor += 1
if not self.go_in_grouping(ItalianStemmer.g_v, 97, 249):
raise lab7()
self.cursor += 1
self.I_p2 = self.cursor
except lab7: pass
self.cursor = v_5
return True
def __r_postlude(self):
while True:
v_1 = self.cursor
try:
self.bra = self.cursor
among_var = self.find_among(ItalianStemmer.a_1)
if among_var == 0:
raise lab0()
self.ket = self.cursor
if among_var == 1:
if not self.slice_from(u"i"):
return False
elif among_var == 2:
if not self.slice_from(u"u"):
return False
else:
if self.cursor >= self.limit:
raise lab0()
self.cursor += 1
continue
except lab0: pass
self.cursor = v_1
break
return True
def __r_RV(self):
if not self.I_pV <= self.cursor:
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_attached_pronoun(self):
self.ket = self.cursor
if self.find_among_b(ItalianStemmer.a_2) == 0:
return False
self.bra = self.cursor
among_var = self.find_among_b(ItalianStemmer.a_3)
if among_var == 0:
return False
if not self.__r_RV():
return False
if among_var == 1:
if not self.slice_del():
return False
else:
if not self.slice_from(u"e"):
return False
return True
def __r_standard_suffix(self):
self.ket = self.cursor
among_var = self.find_among_b(ItalianStemmer.a_6)
if among_var == 0:
return False
self.bra = self.cursor
if among_var == 1:
if not self.__r_R2():
return False
if not self.slice_del():
return False
elif among_var == 2:
if not self.__r_R2():
return False
if not self.slice_del():
return False
v_1 = self.limit - self.cursor
try:
self.ket = self.cursor
if not self.eq_s_b(u"ic"):
self.cursor = self.limit - v_1
raise lab0()
self.bra = self.cursor
if not self.__r_R2():
self.cursor = self.limit - v_1
raise lab0()
if not self.slice_del():
return False
except lab0: pass
elif among_var == 3:
if not self.__r_R2():
return False
if not self.slice_from(u"log"):
return False
elif among_var == 4:
if not self.__r_R2():
return False
if not self.slice_from(u"u"):
return False
elif among_var == 5:
if not self.__r_R2():
return False
if not self.slice_from(u"ente"):
return False
elif among_var == 6:
if not self.__r_RV():
return False
if not self.slice_del():
return False
elif among_var == 7:
if not self.__r_R1():
return False
if not self.slice_del():
return False
v_2 = self.limit - self.cursor
try:
self.ket = self.cursor
among_var = self.find_among_b(ItalianStemmer.a_4)
if among_var == 0:
self.cursor = self.limit - v_2
raise lab1()
self.bra = self.cursor
if not self.__r_R2():
self.cursor = self.limit - v_2
raise lab1()
if not self.slice_del():
return False
if among_var == 1:
self.ket = self.cursor
if not self.eq_s_b(u"at"):
self.cursor = self.limit - v_2
raise lab1()
self.bra = self.cursor
if not self.__r_R2():
self.cursor = self.limit - v_2
raise lab1()
if not self.slice_del():
return False
except lab1: pass
elif among_var == 8:
if not self.__r_R2():
return False
if not self.slice_del():
return False
v_3 = self.limit - self.cursor
try:
self.ket = self.cursor
if self.find_among_b(ItalianStemmer.a_5) == 0:
self.cursor = self.limit - v_3
raise lab2()
self.bra = self.cursor
if not self.__r_R2():
self.cursor = self.limit - v_3
raise lab2()
if not self.slice_del():
return False
except lab2: pass
else:
if not self.__r_R2():
return False
if not self.slice_del():
return False
v_4 = self.limit - self.cursor
try:
self.ket = self.cursor
if not self.eq_s_b(u"at"):
self.cursor = self.limit - v_4
raise lab3()
self.bra = self.cursor
if not self.__r_R2():
self.cursor = self.limit - v_4
raise lab3()
if not self.slice_del():
return False
self.ket = self.cursor
if not self.eq_s_b(u"ic"):
self.cursor = self.limit - v_4
raise lab3()
self.bra = self.cursor
if not self.__r_R2():
self.cursor = self.limit - v_4
raise lab3()
if not self.slice_del():
return False
except lab3: pass
return True
def __r_verb_suffix(self):
if self.cursor < self.I_pV:
return False
v_2 = self.limit_backward
self.limit_backward = self.I_pV
self.ket = self.cursor
if self.find_among_b(ItalianStemmer.a_7) == 0:
self.limit_backward = v_2
return False
self.bra = self.cursor
if not self.slice_del():
return False
self.limit_backward = v_2
return True
def __r_vowel_suffix(self):
v_1 = self.limit - self.cursor
try:
self.ket = self.cursor
if not self.in_grouping_b(ItalianStemmer.g_AEIO, 97, 242):
self.cursor = self.limit - v_1
raise lab0()
self.bra = self.cursor
if not self.__r_RV():
self.cursor = self.limit - v_1
raise lab0()
if not self.slice_del():
return False
self.ket = self.cursor
if not self.eq_s_b(u"i"):
self.cursor = self.limit - v_1
raise lab0()
self.bra = self.cursor
if not self.__r_RV():
self.cursor = self.limit - v_1
raise lab0()
if not self.slice_del():
return False
except lab0: pass
v_2 = self.limit - self.cursor
try:
self.ket = self.cursor
if not self.eq_s_b(u"h"):
self.cursor = self.limit - v_2
raise lab1()
self.bra = self.cursor
if not self.in_grouping_b(ItalianStemmer.g_CG, 99, 103):
self.cursor = self.limit - v_2
raise lab1()
if not self.__r_RV():
self.cursor = self.limit - v_2
raise lab1()
if not self.slice_del():
return False
except lab1: pass
return True
def _stem(self):
v_1 = self.cursor
self.__r_prelude()
self.cursor = v_1
self.__r_mark_regions()
self.limit_backward = self.cursor
self.cursor = self.limit
v_3 = self.limit - self.cursor
self.__r_attached_pronoun()
self.cursor = self.limit - v_3
v_4 = self.limit - self.cursor
try:
try:
v_5 = self.limit - self.cursor
try:
if not self.__r_standard_suffix():
raise lab2()
raise lab1()
except lab2: pass
self.cursor = self.limit - v_5
if not self.__r_verb_suffix():
raise lab0()
except lab1: pass
except lab0: pass
self.cursor = self.limit - v_4
v_6 = self.limit - self.cursor
self.__r_vowel_suffix()
self.cursor = self.limit - v_6
self.cursor = self.limit_backward
v_7 = self.cursor
self.__r_postlude()
self.cursor = v_7
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