# Generated from dutch_porter.sbl by Snowball 3.1.1 - https://snowballstem.org/ from .basestemmer import BaseStemmer from .among import Among class DutchPorterStemmer(BaseStemmer): ''' This class implements the stemming algorithm defined by a snowball script. Generated from dutch_porter.sbl by Snowball 3.1.1 - https://snowballstem.org/ ''' g_v = {"a", "e", "i", "o", "u", "y", "è"} g_v_I = {"I", "a", "e", "i", "o", "u", "y", "è"} g_v_j = {"a", "e", "i", "j", "o", "u", "y", "è"} I_p2 = 0 I_p1 = 0 B_e_found = False def __r_prelude(self): v_1 = self.cursor while True: v_2 = self.cursor try: self.bra = self.cursor among_var = self.find_among(DutchPorterStemmer.a_0) self.ket = self.cursor if among_var == 1: self.slice_from("a") elif among_var == 2: self.slice_from("e") elif among_var == 3: self.slice_from("i") elif among_var == 4: self.slice_from("o") elif among_var == 5: self.slice_from("u") else: if self.cursor >= self.limit: raise lab0() self.cursor += 1 continue except lab0: pass self.cursor = v_2 break self.cursor = v_1 v_3 = self.cursor try: self.bra = self.cursor if self.cursor == self.limit or self.current[self.cursor] != "y": self.cursor = v_3 raise lab0() self.cursor += 1 self.ket = self.cursor self.slice_from("Y") except lab0: pass while True: v_4 = self.cursor try: if not self.go_out_grouping(DutchPorterStemmer.g_v): raise lab0() self.cursor += 1 v_5 = self.cursor try: self.bra = self.cursor while True: v_6 = self.cursor try: if self.cursor == self.limit or self.current[self.cursor] != "i": raise lab2() self.cursor += 1 self.ket = self.cursor v_7 = self.cursor try: if not self.in_grouping(DutchPorterStemmer.g_v): raise lab3() self.slice_from("I") except lab3: pass self.cursor = v_7 break except lab2: pass self.cursor = v_6 if self.cursor == self.limit or self.current[self.cursor] != "y": self.cursor = v_5 raise lab1() self.cursor += 1 self.ket = self.cursor self.slice_from("Y") break except lab1: pass continue except lab0: 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 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(DutchPorterStemmer.g_v): return False self.cursor += 1 if not self.go_in_grouping(DutchPorterStemmer.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(DutchPorterStemmer.g_v): return False self.cursor += 1 if not self.go_in_grouping(DutchPorterStemmer.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(DutchPorterStemmer.a_1) self.ket = self.cursor if among_var == 1: self.slice_from("y") elif among_var == 2: self.slice_from("i") 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_undouble(self): v_1 = self.limit - self.cursor if self.find_among_b(DutchPorterStemmer.a_2) == 0: return False self.cursor = self.limit - v_1 self.ket = self.cursor if self.cursor <= self.limit_backward: return False self.cursor -= 1 self.bra = self.cursor self.slice_del() return True def __r_e_ending(self): self.B_e_found = False self.ket = self.cursor if self.cursor <= self.limit_backward or self.current[self.cursor - 1] != "e": return False self.cursor -= 1 self.bra = self.cursor if not self.__r_R1(): return False v_1 = self.limit - self.cursor if not self.out_grouping_b(DutchPorterStemmer.g_v): return False self.cursor = self.limit - v_1 self.slice_del() self.B_e_found = True return self.__r_undouble() def __r_en_ending(self): if not self.__r_R1(): return False v_1 = self.limit - self.cursor if not self.out_grouping_b(DutchPorterStemmer.g_v): return False self.cursor = self.limit - v_1 try: if not self.eq_s_b("gem"): raise lab0() return False except lab0: pass self.slice_del() return self.__r_undouble() def __r_standard_suffix(self): v_1 = self.limit - self.cursor try: self.ket = self.cursor among_var = self.find_among_b(DutchPorterStemmer.a_3) if among_var == 0: raise lab0() self.bra = self.cursor if among_var == 1: if not self.__r_R1(): raise lab0() self.slice_from("heid") elif among_var == 2: if not self.__r_en_ending(): raise lab0() else: if not self.__r_R1(): raise lab0() if not self.out_grouping_b(DutchPorterStemmer.g_v_j): raise lab0() self.slice_del() except lab0: pass self.cursor = self.limit - v_1 v_2 = self.limit - self.cursor self.__r_e_ending() self.cursor = self.limit - v_2 v_3 = self.limit - self.cursor try: self.ket = self.cursor if not self.eq_s_b("heid"): raise lab0() self.bra = self.cursor if not self.__r_R2(): raise lab0() try: if self.cursor <= self.limit_backward or self.current[self.cursor - 1] != "c": raise lab1() self.cursor -= 1 raise lab0() except lab1: pass self.slice_del() self.ket = self.cursor if not self.eq_s_b("en"): raise lab0() self.bra = self.cursor if not self.__r_en_ending(): raise lab0() except lab0: pass self.cursor = self.limit - v_3 v_4 = self.limit - self.cursor try: self.ket = self.cursor among_var = self.find_among_b(DutchPorterStemmer.a_4) if among_var == 0: raise lab0() self.bra = self.cursor if among_var == 1: if not self.__r_R2(): raise lab0() self.slice_del() while True: v_5 = self.limit - self.cursor try: self.ket = self.cursor if not self.eq_s_b("ig"): raise lab1() self.bra = self.cursor if not self.__r_R2(): raise lab1() try: if self.cursor <= self.limit_backward or self.current[self.cursor - 1] != "e": raise lab2() self.cursor -= 1 raise lab1() except lab2: pass self.slice_del() break except lab1: pass self.cursor = self.limit - v_5 if not self.__r_undouble(): raise lab0() break elif among_var == 2: if not self.__r_R2(): raise lab0() 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: if not self.__r_R2(): raise lab0() self.slice_del() if not self.__r_e_ending(): raise lab0() elif among_var == 4: if not self.__r_R2(): raise lab0() self.slice_del() else: if not self.__r_R2(): raise lab0() if not self.B_e_found: raise lab0() self.slice_del() except lab0: pass self.cursor = self.limit - v_4 v_6 = self.limit - self.cursor try: if not self.out_grouping_b(DutchPorterStemmer.g_v_I): raise lab0() v_7 = self.limit - self.cursor if self.find_among_b(DutchPorterStemmer.a_5) == 0: raise lab0() if not self.out_grouping_b(DutchPorterStemmer.g_v): raise lab0() self.cursor = self.limit - v_7 self.ket = self.cursor if self.cursor <= self.limit_backward: raise lab0() self.cursor -= 1 self.bra = self.cursor self.slice_del() except lab0: pass self.cursor = self.limit - v_6 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, 6), Among("á", 0, 1), Among("ä", 0, 1), Among("é", 0, 2), Among("ë", 0, 2), Among("í", 0, 3), Among("ï", 0, 3), Among("ó", 0, 4), Among("ö", 0, 4), Among("ú", 0, 5), Among("ü", 0, 5) ] a_1 = [ Among("", -1, 3), Among("I", 0, 2), Among("Y", 0, 1) ] a_2 = [ Among("dd", -1, -1), Among("kk", -1, -1), Among("tt", -1, -1) ] a_3 = [ Among("ene", -1, 2), Among("se", -1, 3), Among("en", -1, 2), Among("heden", 2, 1), Among("s", -1, 3) ] a_4 = [ Among("end", -1, 1), Among("ig", -1, 2), Among("ing", -1, 1), Among("lijk", -1, 3), Among("baar", -1, 4), Among("bar", -1, 5) ] a_5 = [ Among("aa", -1, -1), Among("ee", -1, -1), Among("oo", -1, -1), Among("uu", -1, -1) ] class lab0(BaseException): pass class lab1(BaseException): pass class lab2(BaseException): pass class lab3(BaseException): pass