name : german_stemmer.py # 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