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snowballstemmer
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Filename :
norwegian_stemmer.py
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# Generated by Snowball 2.2.0 - 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 by Snowball 2.2.0 - https://snowballstem.org/ ''' a_0 = [ Among(u"a", -1, 1), Among(u"e", -1, 1), Among(u"ede", 1, 1), Among(u"ande", 1, 1), Among(u"ende", 1, 1), Among(u"ane", 1, 1), Among(u"ene", 1, 1), Among(u"hetene", 6, 1), Among(u"erte", 1, 3), Among(u"en", -1, 1), Among(u"heten", 9, 1), Among(u"ar", -1, 1), Among(u"er", -1, 1), Among(u"heter", 12, 1), Among(u"s", -1, 2), Among(u"as", 14, 1), Among(u"es", 14, 1), Among(u"edes", 16, 1), Among(u"endes", 16, 1), Among(u"enes", 16, 1), Among(u"hetenes", 19, 1), Among(u"ens", 14, 1), Among(u"hetens", 21, 1), Among(u"ers", 14, 1), Among(u"ets", 14, 1), Among(u"et", -1, 1), Among(u"het", 25, 1), Among(u"ert", -1, 3), Among(u"ast", -1, 1) ] a_1 = [ Among(u"dt", -1, -1), Among(u"vt", -1, -1) ] a_2 = [ Among(u"leg", -1, 1), Among(u"eleg", 0, 1), Among(u"ig", -1, 1), Among(u"eig", 2, 1), Among(u"lig", 2, 1), Among(u"elig", 4, 1), Among(u"els", -1, 1), Among(u"lov", -1, 1), Among(u"elov", 7, 1), Among(u"slov", 7, 1), Among(u"hetslov", 9, 1) ] g_v = [17, 65, 16, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 48, 0, 128] g_s_ending = [119, 125, 149, 1] I_x = 0 I_p1 = 0 def __r_mark_regions(self): self.I_p1 = 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(NorwegianStemmer.g_v, 97, 248): return False if not self.go_in_grouping(NorwegianStemmer.g_v, 97, 248): 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 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_0) if among_var == 0: self.limit_backward = v_2 return False self.bra = self.cursor self.limit_backward = v_2 if among_var == 1: if not self.slice_del(): return False elif among_var == 2: try: v_3 = self.limit - self.cursor try: if not self.in_grouping_b(NorwegianStemmer.g_s_ending, 98, 122): raise lab1() raise lab0() except lab1: pass self.cursor = self.limit - v_3 if not self.eq_s_b(u"k"): return False if not self.out_grouping_b(NorwegianStemmer.g_v, 97, 248): return False except lab0: pass if not self.slice_del(): return False else: if not self.slice_from(u"er"): return False 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_1) == 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 if not self.slice_del(): return False 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_2) == 0: self.limit_backward = v_2 return False self.bra = self.cursor self.limit_backward = v_2 if not self.slice_del(): return False return True def _stem(self): v_1 = self.cursor self.__r_mark_regions() self.cursor = v_1 self.limit_backward = self.cursor self.cursor = self.limit v_2 = self.limit - self.cursor self.__r_main_suffix() self.cursor = self.limit - v_2 v_3 = self.limit - self.cursor self.__r_consonant_pair() self.cursor = self.limit - v_3 v_4 = self.limit - self.cursor self.__r_other_suffix() self.cursor = self.limit - v_4 self.cursor = self.limit_backward return True class lab0(BaseException): pass class lab1(BaseException): pass