# Generated from norwegian.sbl by Snowball 3.1.1 - https://snowballstem.org/ from .basestemmer import BaseStemmer from .among import Among class NorwegianStemmer(BaseStemmer): ''' This class implements the stemming algorithm defined by a snowball script. Generated from norwegian.sbl by Snowball 3.1.1 - https://snowballstem.org/ ''' g_v = {"a", "e", "i", "o", "u", "y", "å", "æ", "ê", "ò", "ó", "ô", "ø"} g_s_ending = {"b", "c", "d", "f", "g", "h", "j", "l", "m", "n", "o", "p", "t", "v", "y", "z"} I_p1 = 0 def __r_mark_regions(self): self.I_p1 = self.limit v_1 = self.cursor try: while True: v_2 = self.cursor try: while True: try: if self.cursor == self.limit or self.current[self.cursor] != "'": raise lab2() self.cursor += 1 break except lab2: pass if self.cursor >= self.limit: raise lab1() self.cursor += 1 break except lab1: pass self.cursor = v_2 if not self.go_out_grouping(NorwegianStemmer.g_v): raise lab0() self.cursor += 1 if not self.go_in_grouping(NorwegianStemmer.g_v): raise lab0() self.cursor += 1 break self.I_p1 = self.cursor except lab0: pass self.cursor = v_1 v_3 = self.cursor if self.cursor + 3 > self.limit: return False self.cursor += 3 try: if self.I_p1 >= self.cursor: raise lab0() self.I_p1 = self.cursor except lab0: pass self.cursor = v_3 return True def __r_main_suffix(self): if self.cursor < self.I_p1: return False v_2 = self.limit_backward self.limit_backward = self.I_p1 self.ket = self.cursor among_var = self.find_among_b(NorwegianStemmer.a_1) if among_var == 0: self.limit_backward = v_2 return False self.bra = self.cursor self.limit_backward = v_2 if among_var == 1: self.slice_del() elif among_var == 2: among_var = self.find_among_b(NorwegianStemmer.a_0) if among_var == 1: self.slice_del() elif among_var == 3: while True: v_3 = self.limit - self.cursor try: if not self.in_grouping_b(NorwegianStemmer.g_s_ending): raise lab0() break except lab0: pass self.cursor = self.limit - v_3 try: if self.cursor <= self.limit_backward or self.current[self.cursor - 1] != "r": raise lab0() self.cursor -= 1 try: if self.cursor <= self.limit_backward or self.current[self.cursor - 1] != "e": raise lab1() self.cursor -= 1 raise lab0() except lab1: pass break except lab0: pass self.cursor = self.limit - v_3 if self.cursor <= self.limit_backward or self.current[self.cursor - 1] != "k": return False self.cursor -= 1 if not self.out_grouping_b(NorwegianStemmer.g_v): return False break self.slice_del() else: self.slice_from("er") return True def __r_consonant_pair(self): v_1 = self.limit - self.cursor if self.cursor < self.I_p1: return False v_3 = self.limit_backward self.limit_backward = self.I_p1 self.ket = self.cursor if self.find_among_b(NorwegianStemmer.a_2) == 0: self.limit_backward = v_3 return False self.bra = self.cursor self.limit_backward = v_3 self.cursor = self.limit - v_1 if self.cursor <= self.limit_backward: return False self.cursor -= 1 self.bra = self.cursor self.slice_del() return True def __r_other_suffix(self): if self.cursor < self.I_p1: return False v_2 = self.limit_backward self.limit_backward = self.I_p1 self.ket = self.cursor if self.find_among_b(NorwegianStemmer.a_3) == 0: self.limit_backward = v_2 return False self.bra = self.cursor self.limit_backward = v_2 self.slice_del() return True def _stem(self): if not self.__r_mark_regions(): return False self.limit_backward = self.cursor self.cursor = self.limit v_1 = self.limit - self.cursor self.__r_main_suffix() self.cursor = self.limit - v_1 v_2 = self.limit - self.cursor self.__r_consonant_pair() self.cursor = self.limit - v_2 v_3 = self.limit - self.cursor self.__r_other_suffix() self.cursor = self.limit - v_3 self.ket = self.cursor if self.cursor <= self.limit_backward or self.current[self.cursor - 1] != "'": return False self.cursor -= 1 self.bra = self.cursor self.slice_del() self.cursor = self.limit_backward return True a_0 = [ Among("", -1, 1), Among("ind", 0, -1), Among("kk", 0, -1), Among("nk", 0, -1), Among("amm", 0, -1), Among("omm", 0, -1), Among("kap", 0, -1), Among("skap", 6, 1), Among("pp", 0, -1), Among("lt", 0, -1), Among("ast", 0, -1), Among("øst", 0, -1), Among("v", 0, -1), Among("hav", 12, 1), Among("giv", 12, 1) ] a_1 = [ Among("a", -1, 1), Among("e", -1, 1), Among("ede", 1, 1), Among("ande", 1, 1), Among("ende", 1, 1), Among("ane", 1, 1), Among("ene", 1, 1), Among("hetene", 6, 1), Among("erte", 1, 4), Among("en", -1, 1), Among("heten", 9, 1), Among("ar", -1, 1), Among("er", -1, 1), Among("heter", 12, 1), Among("s", -1, 3), Among("as", 14, 1), Among("es", 14, 1), Among("edes", 16, 1), Among("endes", 16, 1), Among("enes", 16, 1), Among("hetenes", 19, 1), Among("ens", 14, 1), Among("hetens", 21, 1), Among("ers", 14, 2), Among("ets", 14, 1), Among("et", -1, 1), Among("het", 25, 1), Among("ert", -1, 4), Among("ast", -1, 1) ] a_2 = [ Among("dt", -1, -1), Among("vt", -1, -1) ] a_3 = [ Among("leg", -1, 1), Among("eleg", 0, 1), Among("ig", -1, 1), Among("eig", 2, 1), Among("lig", 2, 1), Among("elig", 4, 1), Among("els", -1, 1), Among("lov", -1, 1), Among("elov", 7, 1), Among("slov", 7, 1), Among("hetslov", 9, 1) ] class lab0(BaseException): pass class lab1(BaseException): pass class lab2(BaseException): pass