# Generated from german.sbl by Snowball 3.1.1 - 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 from german.sbl by Snowball 3.1.1 - https://snowballstem.org/ ''' g_v = {"a", "e", "i", "o", "u", "y", "ä", "ö", "ü"} g_et_ending = {"U", "d", "f", "g", "k", "l", "m", "n", "r", "s", "t", "z", "ä"} g_s_ending = {"b", "d", "f", "g", "h", "k", "l", "m", "n", "r", "t"} g_st_ending = {"b", "d", "f", "g", "h", "k", "l", "m", "n", "t"} I_p2 = 0 I_p1 = 0 def __r_prelude(self): v_1 = self.cursor while True: v_2 = self.cursor try: while True: v_3 = self.cursor try: if not self.in_grouping(GermanStemmer.g_v): raise lab1() self.bra = self.cursor while True: v_4 = self.cursor try: if self.cursor == self.limit or self.current[self.cursor] != "u": raise lab2() self.cursor += 1 self.ket = self.cursor if not self.in_grouping(GermanStemmer.g_v): raise lab2() self.slice_from("U") break except lab2: pass self.cursor = v_4 if self.cursor == self.limit or self.current[self.cursor] != "y": raise lab1() self.cursor += 1 self.ket = self.cursor if not self.in_grouping(GermanStemmer.g_v): raise lab1() self.slice_from("Y") break self.cursor = v_3 break except lab1: pass self.cursor = v_3 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_5 = self.cursor try: self.bra = self.cursor among_var = self.find_among(GermanStemmer.a_0) self.ket = self.cursor if among_var == 1: self.slice_from("ss") elif among_var == 2: self.slice_from("ä") elif among_var == 3: self.slice_from("ö") elif among_var == 4: self.slice_from("ü") elif among_var == 5: if self.cursor >= self.limit: raise lab0() self.cursor += 1 continue except lab0: pass self.cursor = v_5 break return True def __r_mark_regions(self): self.I_p1 = self.limit self.I_p2 = self.limit v_1 = self.cursor if self.cursor + 3 > self.limit: return False self.cursor += 3 I_x = self.cursor self.cursor = v_1 if not self.go_out_grouping(GermanStemmer.g_v): return False self.cursor += 1 if not self.go_in_grouping(GermanStemmer.g_v): return False self.cursor += 1 self.I_p1 = self.cursor try: if self.I_p1 >= I_x: raise lab0() self.I_p1 = I_x except lab0: pass if not self.go_out_grouping(GermanStemmer.g_v): return False self.cursor += 1 if not self.go_in_grouping(GermanStemmer.g_v): 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_1) self.ket = self.cursor if among_var == 1: self.slice_from("y") elif among_var == 2: self.slice_from("u") elif among_var == 3: self.slice_from("a") elif among_var == 4: self.slice_from("o") 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): return self.I_p1 <= self.cursor def __r_R2(self): return self.I_p2 <= self.cursor def __r_standard_suffix(self): v_1 = self.limit - self.cursor try: self.ket = self.cursor among_var = self.find_among_b(GermanStemmer.a_2) if among_var == 0: raise lab0() self.bra = self.cursor if not self.__r_R1(): raise lab0() if among_var == 1: try: if not self.eq_s_b("syst"): raise lab1() raise lab0() except lab1: pass self.slice_del() elif among_var == 2: self.slice_del() elif among_var == 3: self.slice_del() v_2 = self.limit - self.cursor try: self.ket = self.cursor if self.cursor <= self.limit_backward or self.current[self.cursor - 1] != "s": self.cursor = self.limit - v_2 raise lab1() self.cursor -= 1 self.bra = self.cursor if not self.eq_s_b("nis"): self.cursor = self.limit - v_2 raise lab1() self.slice_del() except lab1: pass elif among_var == 4: if not self.in_grouping_b(GermanStemmer.g_s_ending): raise lab0() self.slice_del() else: self.slice_from("l") 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_4) if among_var == 0: raise lab0() self.bra = self.cursor if not self.__r_R1(): raise lab0() if among_var == 1: self.slice_del() elif among_var == 2: if not self.in_grouping_b(GermanStemmer.g_st_ending): raise lab0() if self.cursor - 3 < self.limit_backward: raise lab0() self.cursor -= 3 self.slice_del() else: v_4 = self.limit - self.cursor if not self.in_grouping_b(GermanStemmer.g_et_ending): raise lab0() self.cursor = self.limit - v_4 v_5 = self.limit - self.cursor try: if self.find_among_b(GermanStemmer.a_3) == 0: raise lab1() raise lab0() except lab1: pass self.cursor = self.limit - v_5 self.slice_del() except lab0: pass self.cursor = self.limit - v_3 v_6 = self.limit - self.cursor try: self.ket = self.cursor among_var = self.find_among_b(GermanStemmer.a_6) if among_var == 0: raise lab0() self.bra = self.cursor if not self.__r_R2(): raise lab0() if among_var == 1: self.slice_del() v_7 = self.limit - self.cursor try: self.ket = self.cursor if not self.eq_s_b("ig"): self.cursor = self.limit - v_7 raise lab1() self.bra = self.cursor try: if self.cursor <= self.limit_backward or self.current[self.cursor - 1] != "e": raise lab2() self.cursor -= 1 self.cursor = self.limit - v_7 raise lab1() except lab2: pass if not self.__r_R2(): self.cursor = self.limit - v_7 raise lab1() self.slice_del() except lab1: pass elif among_var == 2: try: if self.cursor <= self.limit_backward or self.current[self.cursor - 1] != "e": raise lab1() self.cursor -= 1 raise lab0() except lab1: pass self.slice_del() elif among_var == 3: self.slice_del() v_8 = self.limit - self.cursor try: self.ket = self.cursor while True: try: if not self.eq_s_b("er"): raise lab2() break except lab2: pass if not self.eq_s_b("en"): self.cursor = self.limit - v_8 raise lab1() break self.bra = self.cursor if not self.__r_R1(): self.cursor = self.limit - v_8 raise lab1() self.slice_del() except lab1: pass else: self.slice_del() v_9 = self.limit - self.cursor try: self.ket = self.cursor if self.find_among_b(GermanStemmer.a_5) == 0: self.cursor = self.limit - v_9 raise lab1() self.bra = self.cursor if not self.__r_R2(): self.cursor = self.limit - v_9 raise lab1() self.slice_del() except lab1: pass except lab0: pass self.cursor = self.limit - v_6 v_10 = self.limit - self.cursor try: self.ket = self.cursor if self.find_among_b(GermanStemmer.a_7) == 0: raise lab0() self.bra = self.cursor if self.cursor <= self.limit_backward: raise lab0() self.cursor -= 1 if self.cursor <= self.limit_backward: raise lab0() self.slice_del() except lab0: pass self.cursor = self.limit - v_10 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_3 = self.cursor self.__r_postlude() self.cursor = v_3 return True a_0 = [ Among("", -1, 5), Among("ae", 0, 2), Among("oe", 0, 3), Among("qu", 0, -1), Among("ue", 0, 4), Among("ß", 0, 1) ] a_1 = [ Among("", -1, 5), Among("U", 0, 2), Among("Y", 0, 1), Among("ä", 0, 3), Among("ö", 0, 4), Among("ü", 0, 2) ] a_2 = [ Among("e", -1, 3), Among("em", -1, 1), Among("en", -1, 3), Among("erinnen", 2, 2), Among("erin", -1, 2), Among("ln", -1, 5), Among("ern", -1, 2), Among("er", -1, 2), Among("s", -1, 4), Among("es", 8, 3), Among("lns", 8, 5) ] a_3 = [ Among("tick", -1, -1), Among("plan", -1, -1), Among("geordn", -1, -1), Among("intern", -1, -1), Among("tr", -1, -1) ] a_4 = [ Among("en", -1, 1), Among("er", -1, 1), Among("et", -1, 3), Among("st", -1, 2), Among("est", 3, 1) ] a_5 = [ Among("ig", -1, 1), Among("lich", -1, 1) ] a_6 = [ Among("end", -1, 1), Among("ig", -1, 2), Among("ung", -1, 1), Among("lich", -1, 3), Among("isch", -1, 2), Among("ik", -1, 2), Among("heit", -1, 3), Among("keit", -1, 4) ] a_7 = [ Among("'", -1, 1), Among("'sch", -1, 1), Among("'s", -1, 1) ] class lab0(BaseException): pass class lab1(BaseException): pass class lab2(BaseException): pass