danish_stemmer.py
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# Generated by Snowball 2.2.0 - https://snowballstem.org/ from .basestemmer import BaseStemmer from .among import Among class DanishStemmer(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"hed", -1, 1), Among(u"ethed", 0, 1), Among(u"ered", -1, 1), Among(u"e", -1, 1), Among(u"erede", 3, 1), Among(u"ende", 3, 1), Among(u"erende", 5, 1), Among(u"ene", 3, 1), Among(u"erne", 3, 1), Among(u"ere", 3, 1), Among(u"en", -1, 1), Among(u"heden", 10, 1), Among(u"eren", 10, 1), Among(u"er", -1, 1), Among(u"heder", 13, 1), Among(u"erer", 13, 1), Among(u"s", -1, 2), Among(u"heds", 16, 1), Among(u"es", 16, 1), Among(u"endes", 18, 1), Among(u"erendes", 19, 1), Among(u"enes", 18, 1), Among(u"ernes", 18, 1), Among(u"eres", 18, 1), Among(u"ens", 16, 1), Among(u"hedens", 24, 1), Among(u"erens", 24, 1), Among(u"ers", 16, 1), Among(u"ets", 16, 1), Among(u"erets", 28, 1), Among(u"et", -1, 1), Among(u"eret", 30, 1) ] a_1 = [ Among(u"gd", -1, -1), Among(u"dt", -1, -1), Among(u"gt", -1, -1), Among(u"kt", -1, -1) ] a_2 = [ Among(u"ig", -1, 1), Among(u"lig", 0, 1), Among(u"elig", 1, 1), Among(u"els", -1, 1), Among(u"l\u00F8st", -1, 2) ] g_c = [119, 223, 119, 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 = [239, 254, 42, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 16] I_x = 0 I_p1 = 0 S_ch = "" 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(DanishStemmer.g_v, 97, 248): return False if not self.go_in_grouping(DanishStemmer.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(DanishStemmer.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 else: if not self.in_grouping_b(DanishStemmer.g_s_ending, 97, 229): return False if not self.slice_del(): 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(DanishStemmer.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): v_1 = self.limit - self.cursor try: self.ket = self.cursor if not self.eq_s_b(u"st"): raise lab0() self.bra = self.cursor if not self.eq_s_b(u"ig"): raise lab0() if not self.slice_del(): return False except lab0: pass self.cursor = self.limit - v_1 if self.cursor < self.I_p1: return False v_3 = self.limit_backward self.limit_backward = self.I_p1 self.ket = self.cursor among_var = self.find_among_b(DanishStemmer.a_2) if among_var == 0: self.limit_backward = v_3 return False self.bra = self.cursor self.limit_backward = v_3 if among_var == 1: if not self.slice_del(): return False v_4 = self.limit - self.cursor self.__r_consonant_pair() self.cursor = self.limit - v_4 else: if not self.slice_from(u"l\u00F8s"): return False return True def __r_undouble(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 not self.in_grouping_b(DanishStemmer.g_c, 98, 122): self.limit_backward = v_2 return False self.bra = self.cursor self.S_ch = self.slice_to() if self.S_ch == '': return False self.limit_backward = v_2 if not self.eq_s_b(self.S_ch): return False 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 v_5 = self.limit - self.cursor self.__r_undouble() self.cursor = self.limit - v_5 self.cursor = self.limit_backward return True class lab0(BaseException): pass
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