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# Generated by Snowball 2.2.0 - https://snowballstem.org/
from .basestemmer import BaseStemmer
from .among import Among
class GermanStemmer(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, 5),
Among(u"U", 0, 2),
Among(u"Y", 0, 1),
Among(u"\u00E4", 0, 3),
Among(u"\u00F6", 0, 4),
Among(u"\u00FC", 0, 2)
]
a_1 = [
Among(u"e", -1, 2),
Among(u"em", -1, 1),
Among(u"en", -1, 2),
Among(u"ern", -1, 1),
Among(u"er", -1, 1),
Among(u"s", -1, 3),
Among(u"es", 5, 2)
]
a_2 = [
Among(u"en", -1, 1),
Among(u"er", -1, 1),
Among(u"st", -1, 2),
Among(u"est", 2, 1)
]
a_3 = [
Among(u"ig", -1, 1),
Among(u"lich", -1, 1)
]
a_4 = [
Among(u"end", -1, 1),
Among(u"ig", -1, 2),
Among(u"ung", -1, 1),
Among(u"lich", -1, 3),
Among(u"isch", -1, 2),
Among(u"ik", -1, 2),
Among(u"heit", -1, 3),
Among(u"keit", -1, 4)
]
g_v = [17, 65, 16, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 8, 0, 32, 8]
g_s_ending = [117, 30, 5]
g_st_ending = [117, 30, 4]
I_x = 0
I_p2 = 0
I_p1 = 0
def __r_prelude(self):
v_1 = self.cursor
while True:
v_2 = self.cursor
try:
try:
v_3 = self.cursor
try:
self.bra = self.cursor
if not self.eq_s(u"\u00DF"):
raise lab2()
self.ket = self.cursor
if not self.slice_from(u"ss"):
return False
raise lab1()
except lab2: pass
self.cursor = v_3
if self.cursor >= self.limit:
raise lab0()
self.cursor += 1
except lab1: pass
continue
except lab0: pass
self.cursor = v_2
break
self.cursor = v_1
while True:
v_4 = self.cursor
try:
try:
while True:
v_5 = self.cursor
try:
if not self.in_grouping(GermanStemmer.g_v, 97, 252):
raise lab5()
self.bra = self.cursor
try:
v_6 = self.cursor
try:
if not self.eq_s(u"u"):
raise lab7()
self.ket = self.cursor
if not self.in_grouping(GermanStemmer.g_v, 97, 252):
raise lab7()
if not self.slice_from(u"U"):
return False
raise lab6()
except lab7: pass
self.cursor = v_6
if not self.eq_s(u"y"):
raise lab5()
self.ket = self.cursor
if not self.in_grouping(GermanStemmer.g_v, 97, 252):
raise lab5()
if not self.slice_from(u"Y"):
return False
except lab6: pass
self.cursor = v_5
raise lab4()
except lab5: pass
self.cursor = v_5
if self.cursor >= self.limit:
raise lab3()
self.cursor += 1
except lab4: pass
continue
except lab3: pass
self.cursor = v_4
break
return True
def __r_mark_regions(self):
self.I_p1 = self.limit
self.I_p2 = self.limit
v_1 = self.cursor
c = self.cursor + 3
if c > self.limit:
return False
self.cursor = c
self.I_x = self.cursor
self.cursor = v_1
if not self.go_out_grouping(GermanStemmer.g_v, 97, 252):
return False
self.cursor += 1
if not self.go_in_grouping(GermanStemmer.g_v, 97, 252):
return False
self.cursor += 1
self.I_p1 = self.cursor
try:
if not self.I_p1 < self.I_x:
raise lab0()
self.I_p1 = self.I_x
except lab0: pass
if not self.go_out_grouping(GermanStemmer.g_v, 97, 252):
return False
self.cursor += 1
if not self.go_in_grouping(GermanStemmer.g_v, 97, 252):
return False
self.cursor += 1
self.I_p2 = self.cursor
return True
def __r_postlude(self):
while True:
v_1 = self.cursor
try:
self.bra = self.cursor
among_var = self.find_among(GermanStemmer.a_0)
if among_var == 0:
raise lab0()
self.ket = self.cursor
if among_var == 1:
if not self.slice_from(u"y"):
return False
elif among_var == 2:
if not self.slice_from(u"u"):
return False
elif among_var == 3:
if not self.slice_from(u"a"):
return False
elif among_var == 4:
if not self.slice_from(u"o"):
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_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_standard_suffix(self):
v_1 = self.limit - self.cursor
try:
self.ket = self.cursor
among_var = self.find_among_b(GermanStemmer.a_1)
if among_var == 0:
raise lab0()
self.bra = self.cursor
if not self.__r_R1():
raise lab0()
if among_var == 1:
if not self.slice_del():
return False
elif among_var == 2:
if not self.slice_del():
return False
v_2 = self.limit - self.cursor
try:
self.ket = self.cursor
if not self.eq_s_b(u"s"):
self.cursor = self.limit - v_2
raise lab1()
self.bra = self.cursor
if not self.eq_s_b(u"nis"):
self.cursor = self.limit - v_2
raise lab1()
if not self.slice_del():
return False
except lab1: pass
else:
if not self.in_grouping_b(GermanStemmer.g_s_ending, 98, 116):
raise lab0()
if not self.slice_del():
return False
except lab0: pass
self.cursor = self.limit - v_1
v_3 = self.limit - self.cursor
try:
self.ket = self.cursor
among_var = self.find_among_b(GermanStemmer.a_2)
if among_var == 0:
raise lab2()
self.bra = self.cursor
if not self.__r_R1():
raise lab2()
if among_var == 1:
if not self.slice_del():
return False
else:
if not self.in_grouping_b(GermanStemmer.g_st_ending, 98, 116):
raise lab2()
c = self.cursor - 3
if c < self.limit_backward:
raise lab2()
self.cursor = c
if not self.slice_del():
return False
except lab2: pass
self.cursor = self.limit - v_3
v_4 = self.limit - self.cursor
try:
self.ket = self.cursor
among_var = self.find_among_b(GermanStemmer.a_4)
if among_var == 0:
raise lab3()
self.bra = self.cursor
if not self.__r_R2():
raise lab3()
if among_var == 1:
if not self.slice_del():
return False
v_5 = self.limit - self.cursor
try:
self.ket = self.cursor
if not self.eq_s_b(u"ig"):
self.cursor = self.limit - v_5
raise lab4()
self.bra = self.cursor
v_6 = self.limit - self.cursor
try:
if not self.eq_s_b(u"e"):
raise lab5()
self.cursor = self.limit - v_5
raise lab4()
except lab5: pass
self.cursor = self.limit - v_6
if not self.__r_R2():
self.cursor = self.limit - v_5
raise lab4()
if not self.slice_del():
return False
except lab4: pass
elif among_var == 2:
v_7 = self.limit - self.cursor
try:
if not self.eq_s_b(u"e"):
raise lab6()
raise lab3()
except lab6: pass
self.cursor = self.limit - v_7
if not self.slice_del():
return False
elif among_var == 3:
if not self.slice_del():
return False
v_8 = self.limit - self.cursor
try:
self.ket = self.cursor
try:
v_9 = self.limit - self.cursor
try:
if not self.eq_s_b(u"er"):
raise lab9()
raise lab8()
except lab9: pass
self.cursor = self.limit - v_9
if not self.eq_s_b(u"en"):
self.cursor = self.limit - v_8
raise lab7()
except lab8: pass
self.bra = self.cursor
if not self.__r_R1():
self.cursor = self.limit - v_8
raise lab7()
if not self.slice_del():
return False
except lab7: pass
else:
if not self.slice_del():
return False
v_10 = self.limit - self.cursor
try:
self.ket = self.cursor
if self.find_among_b(GermanStemmer.a_3) == 0:
self.cursor = self.limit - v_10
raise lab10()
self.bra = self.cursor
if not self.__r_R2():
self.cursor = self.limit - v_10
raise lab10()
if not self.slice_del():
return False
except lab10: pass
except lab3: pass
self.cursor = self.limit - v_4
return True
def _stem(self):
v_1 = self.cursor
self.__r_prelude()
self.cursor = v_1
v_2 = self.cursor
self.__r_mark_regions()
self.cursor = v_2
self.limit_backward = self.cursor
self.cursor = self.limit
self.__r_standard_suffix()
self.cursor = self.limit_backward
v_4 = self.cursor
self.__r_postlude()
self.cursor = v_4
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
class lab10(BaseException): pass