| # Generated by Snowball 2.2.0 - https://snowballstem.org/ |
| |
| from .basestemmer import BaseStemmer |
| from .among import Among |
| |
| |
| class DutchStemmer(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"", -1, 6), |
| Among(u"\u00E1", 0, 1), |
| Among(u"\u00E4", 0, 1), |
| Among(u"\u00E9", 0, 2), |
| Among(u"\u00EB", 0, 2), |
| Among(u"\u00ED", 0, 3), |
| Among(u"\u00EF", 0, 3), |
| Among(u"\u00F3", 0, 4), |
| Among(u"\u00F6", 0, 4), |
| Among(u"\u00FA", 0, 5), |
| Among(u"\u00FC", 0, 5) |
| ] |
| |
| a_1 = [ |
| Among(u"", -1, 3), |
| Among(u"I", 0, 2), |
| Among(u"Y", 0, 1) |
| ] |
| |
| a_2 = [ |
| Among(u"dd", -1, -1), |
| Among(u"kk", -1, -1), |
| Among(u"tt", -1, -1) |
| ] |
| |
| a_3 = [ |
| Among(u"ene", -1, 2), |
| Among(u"se", -1, 3), |
| Among(u"en", -1, 2), |
| Among(u"heden", 2, 1), |
| Among(u"s", -1, 3) |
| ] |
| |
| a_4 = [ |
| Among(u"end", -1, 1), |
| Among(u"ig", -1, 2), |
| Among(u"ing", -1, 1), |
| Among(u"lijk", -1, 3), |
| Among(u"baar", -1, 4), |
| Among(u"bar", -1, 5) |
| ] |
| |
| a_5 = [ |
| Among(u"aa", -1, -1), |
| Among(u"ee", -1, -1), |
| Among(u"oo", -1, -1), |
| Among(u"uu", -1, -1) |
| ] |
| |
| g_v = [17, 65, 16, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 128] |
| |
| g_v_I = [1, 0, 0, 17, 65, 16, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 128] |
| |
| g_v_j = [17, 67, 16, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 128] |
| |
| 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(DutchStemmer.a_0) |
| if among_var == 0: |
| raise lab0() |
| self.ket = self.cursor |
| if among_var == 1: |
| if not self.slice_from(u"a"): |
| return False |
| elif among_var == 2: |
| if not self.slice_from(u"e"): |
| return False |
| elif among_var == 3: |
| if not self.slice_from(u"i"): |
| return False |
| elif among_var == 4: |
| if not self.slice_from(u"o"): |
| return False |
| elif among_var == 5: |
| if not self.slice_from(u"u"): |
| return False |
| 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 not self.eq_s(u"y"): |
| self.cursor = v_3 |
| raise lab1() |
| self.ket = self.cursor |
| if not self.slice_from(u"Y"): |
| return False |
| except lab1: pass |
| while True: |
| v_4 = self.cursor |
| try: |
| try: |
| while True: |
| v_5 = self.cursor |
| try: |
| if not self.in_grouping(DutchStemmer.g_v, 97, 232): |
| raise lab4() |
| self.bra = self.cursor |
| try: |
| v_6 = self.cursor |
| try: |
| if not self.eq_s(u"i"): |
| raise lab6() |
| self.ket = self.cursor |
| if not self.in_grouping(DutchStemmer.g_v, 97, 232): |
| raise lab6() |
| if not self.slice_from(u"I"): |
| return False |
| raise lab5() |
| except lab6: pass |
| self.cursor = v_6 |
| if not self.eq_s(u"y"): |
| raise lab4() |
| self.ket = self.cursor |
| if not self.slice_from(u"Y"): |
| return False |
| except lab5: pass |
| self.cursor = v_5 |
| raise lab3() |
| except lab4: pass |
| self.cursor = v_5 |
| if self.cursor >= self.limit: |
| raise lab2() |
| self.cursor += 1 |
| except lab3: pass |
| continue |
| except lab2: pass |
| self.cursor = v_4 |
| break |
| return True |
| |
| def __r_mark_regions(self): |
| self.I_p1 = self.limit |
| self.I_p2 = self.limit |
| if not self.go_out_grouping(DutchStemmer.g_v, 97, 232): |
| return False |
| self.cursor += 1 |
| if not self.go_in_grouping(DutchStemmer.g_v, 97, 232): |
| return False |
| self.cursor += 1 |
| self.I_p1 = self.cursor |
| try: |
| if not self.I_p1 < 3: |
| raise lab0() |
| self.I_p1 = 3 |
| except lab0: pass |
| if not self.go_out_grouping(DutchStemmer.g_v, 97, 232): |
| return False |
| self.cursor += 1 |
| if not self.go_in_grouping(DutchStemmer.g_v, 97, 232): |
| 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(DutchStemmer.a_1) |
| if among_var == 0: |
| raise lab0() |
| self.ket = self.cursor |
| if among_var == 1: |
| if not self.slice_from(u"y"): |
| return False |
| elif among_var == 2: |
| if not self.slice_from(u"i"): |
| return False |
| 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): |
| if not self.I_p1 <= self.cursor: |
| return False |
| return True |
| |
| def __r_R2(self): |
| if not self.I_p2 <= self.cursor: |
| return False |
| return True |
| |
| def __r_undouble(self): |
| v_1 = self.limit - self.cursor |
| if self.find_among_b(DutchStemmer.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 |
| if not self.slice_del(): |
| return False |
| |
| return True |
| |
| def __r_e_ending(self): |
| self.B_e_found = False |
| self.ket = self.cursor |
| if not self.eq_s_b(u"e"): |
| return False |
| self.bra = self.cursor |
| if not self.__r_R1(): |
| return False |
| v_1 = self.limit - self.cursor |
| if not self.out_grouping_b(DutchStemmer.g_v, 97, 232): |
| return False |
| self.cursor = self.limit - v_1 |
| if not self.slice_del(): |
| return False |
| |
| self.B_e_found = True |
| if not self.__r_undouble(): |
| return False |
| return True |
| |
| def __r_en_ending(self): |
| if not self.__r_R1(): |
| return False |
| v_1 = self.limit - self.cursor |
| if not self.out_grouping_b(DutchStemmer.g_v, 97, 232): |
| return False |
| self.cursor = self.limit - v_1 |
| v_2 = self.limit - self.cursor |
| try: |
| if not self.eq_s_b(u"gem"): |
| raise lab0() |
| return False |
| except lab0: pass |
| self.cursor = self.limit - v_2 |
| if not self.slice_del(): |
| return False |
| |
| if not self.__r_undouble(): |
| return False |
| return True |
| |
| def __r_standard_suffix(self): |
| v_1 = self.limit - self.cursor |
| try: |
| self.ket = self.cursor |
| among_var = self.find_among_b(DutchStemmer.a_3) |
| if among_var == 0: |
| raise lab0() |
| self.bra = self.cursor |
| if among_var == 1: |
| if not self.__r_R1(): |
| raise lab0() |
| if not self.slice_from(u"heid"): |
| return False |
| 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(DutchStemmer.g_v_j, 97, 232): |
| raise lab0() |
| if not self.slice_del(): |
| return False |
| |
| 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(u"heid"): |
| raise lab1() |
| self.bra = self.cursor |
| if not self.__r_R2(): |
| raise lab1() |
| v_4 = self.limit - self.cursor |
| try: |
| if not self.eq_s_b(u"c"): |
| raise lab2() |
| raise lab1() |
| except lab2: pass |
| self.cursor = self.limit - v_4 |
| if not self.slice_del(): |
| return False |
| |
| self.ket = self.cursor |
| if not self.eq_s_b(u"en"): |
| raise lab1() |
| self.bra = self.cursor |
| if not self.__r_en_ending(): |
| raise lab1() |
| except lab1: pass |
| self.cursor = self.limit - v_3 |
| v_5 = self.limit - self.cursor |
| try: |
| self.ket = self.cursor |
| among_var = self.find_among_b(DutchStemmer.a_4) |
| if among_var == 0: |
| raise lab3() |
| self.bra = self.cursor |
| if among_var == 1: |
| if not self.__r_R2(): |
| raise lab3() |
| if not self.slice_del(): |
| return False |
| |
| try: |
| v_6 = self.limit - self.cursor |
| try: |
| self.ket = self.cursor |
| if not self.eq_s_b(u"ig"): |
| raise lab5() |
| self.bra = self.cursor |
| if not self.__r_R2(): |
| raise lab5() |
| v_7 = self.limit - self.cursor |
| try: |
| if not self.eq_s_b(u"e"): |
| raise lab6() |
| raise lab5() |
| except lab6: pass |
| self.cursor = self.limit - v_7 |
| if not self.slice_del(): |
| return False |
| |
| raise lab4() |
| except lab5: pass |
| self.cursor = self.limit - v_6 |
| if not self.__r_undouble(): |
| raise lab3() |
| except lab4: pass |
| elif among_var == 2: |
| if not self.__r_R2(): |
| raise lab3() |
| v_8 = self.limit - self.cursor |
| try: |
| if not self.eq_s_b(u"e"): |
| raise lab7() |
| raise lab3() |
| except lab7: pass |
| self.cursor = self.limit - v_8 |
| if not self.slice_del(): |
| return False |
| |
| elif among_var == 3: |
| if not self.__r_R2(): |
| raise lab3() |
| if not self.slice_del(): |
| return False |
| |
| if not self.__r_e_ending(): |
| raise lab3() |
| elif among_var == 4: |
| if not self.__r_R2(): |
| raise lab3() |
| if not self.slice_del(): |
| return False |
| |
| else: |
| if not self.__r_R2(): |
| raise lab3() |
| if not self.B_e_found: |
| raise lab3() |
| if not self.slice_del(): |
| return False |
| |
| except lab3: pass |
| self.cursor = self.limit - v_5 |
| v_9 = self.limit - self.cursor |
| try: |
| if not self.out_grouping_b(DutchStemmer.g_v_I, 73, 232): |
| raise lab8() |
| v_10 = self.limit - self.cursor |
| if self.find_among_b(DutchStemmer.a_5) == 0: |
| raise lab8() |
| if not self.out_grouping_b(DutchStemmer.g_v, 97, 232): |
| raise lab8() |
| self.cursor = self.limit - v_10 |
| self.ket = self.cursor |
| if self.cursor <= self.limit_backward: |
| raise lab8() |
| self.cursor -= 1 |
| self.bra = self.cursor |
| if not self.slice_del(): |
| return False |
| |
| except lab8: pass |
| self.cursor = self.limit - v_9 |
| 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_4 = self.cursor |
| self.__r_postlude() |
| self.cursor = v_4 |
| return True |
| |
| |
| class lab0(BaseException): pass |
| |
| |
| class lab1(BaseException): pass |
| |
| |
| class lab2(BaseException): pass |
| |
| |
| class lab3(BaseException): pass |
| |
| |
| class lab4(BaseException): pass |
| |
| |
| class lab5(BaseException): pass |
| |
| |
| class lab6(BaseException): pass |
| |
| |
| class lab7(BaseException): pass |
| |
| |
| class lab8(BaseException): pass |
