| # Generated by Snowball 2.2.0 - https://snowballstem.org/ |
| |
| from .basestemmer import BaseStemmer |
| from .among import Among |
| |
| |
| class GermanStemmer(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, 5), |
| Among(u"U", 0, 2), |
| Among(u"Y", 0, 1), |
| Among(u"\u00E4", 0, 3), |
| Among(u"\u00F6", 0, 4), |
| Among(u"\u00FC", 0, 2) |
| ] |
| |
| a_1 = [ |
| Among(u"e", -1, 2), |
| Among(u"em", -1, 1), |
| Among(u"en", -1, 2), |
| Among(u"ern", -1, 1), |
| Among(u"er", -1, 1), |
| Among(u"s", -1, 3), |
| Among(u"es", 5, 2) |
| ] |
| |
| a_2 = [ |
| Among(u"en", -1, 1), |
| Among(u"er", -1, 1), |
| Among(u"st", -1, 2), |
| Among(u"est", 2, 1) |
| ] |
| |
| a_3 = [ |
| Among(u"ig", -1, 1), |
| Among(u"lich", -1, 1) |
| ] |
| |
| a_4 = [ |
| Among(u"end", -1, 1), |
| Among(u"ig", -1, 2), |
| Among(u"ung", -1, 1), |
| Among(u"lich", -1, 3), |
| Among(u"isch", -1, 2), |
| Among(u"ik", -1, 2), |
| Among(u"heit", -1, 3), |
| Among(u"keit", -1, 4) |
| ] |
| |
| g_v = [17, 65, 16, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 8, 0, 32, 8] |
| |
| g_s_ending = [117, 30, 5] |
| |
| g_st_ending = [117, 30, 4] |
| |
| I_x = 0 |
| I_p2 = 0 |
| I_p1 = 0 |
| |
| def __r_prelude(self): |
| v_1 = self.cursor |
| while True: |
| v_2 = self.cursor |
| try: |
| try: |
| v_3 = self.cursor |
| try: |
| self.bra = self.cursor |
| if not self.eq_s(u"\u00DF"): |
| raise lab2() |
| self.ket = self.cursor |
| if not self.slice_from(u"ss"): |
| return False |
| raise lab1() |
| except lab2: pass |
| self.cursor = v_3 |
| if self.cursor >= self.limit: |
| raise lab0() |
| self.cursor += 1 |
| except lab1: pass |
| continue |
| except lab0: pass |
| self.cursor = v_2 |
| break |
| self.cursor = v_1 |
| while True: |
| v_4 = self.cursor |
| try: |
| try: |
| while True: |
| v_5 = self.cursor |
| try: |
| if not self.in_grouping(GermanStemmer.g_v, 97, 252): |
| raise lab5() |
| self.bra = self.cursor |
| try: |
| v_6 = self.cursor |
| try: |
| if not self.eq_s(u"u"): |
| raise lab7() |
| self.ket = self.cursor |
| if not self.in_grouping(GermanStemmer.g_v, 97, 252): |
| raise lab7() |
| if not self.slice_from(u"U"): |
| return False |
| raise lab6() |
| except lab7: pass |
| self.cursor = v_6 |
| if not self.eq_s(u"y"): |
| raise lab5() |
| self.ket = self.cursor |
| if not self.in_grouping(GermanStemmer.g_v, 97, 252): |
| raise lab5() |
| if not self.slice_from(u"Y"): |
| return False |
| except lab6: pass |
| self.cursor = v_5 |
| raise lab4() |
| except lab5: pass |
| self.cursor = v_5 |
| if self.cursor >= self.limit: |
| raise lab3() |
| self.cursor += 1 |
| except lab4: pass |
| continue |
| except lab3: 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 |
| 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(GermanStemmer.g_v, 97, 252): |
| return False |
| self.cursor += 1 |
| if not self.go_in_grouping(GermanStemmer.g_v, 97, 252): |
| 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 |
| if not self.go_out_grouping(GermanStemmer.g_v, 97, 252): |
| return False |
| self.cursor += 1 |
| if not self.go_in_grouping(GermanStemmer.g_v, 97, 252): |
| 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(GermanStemmer.a_0) |
| 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"u"): |
| return False |
| elif among_var == 3: |
| if not self.slice_from(u"a"): |
| return False |
| elif among_var == 4: |
| if not self.slice_from(u"o"): |
| 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_standard_suffix(self): |
| v_1 = self.limit - self.cursor |
| try: |
| self.ket = self.cursor |
| among_var = self.find_among_b(GermanStemmer.a_1) |
| if among_var == 0: |
| raise lab0() |
| self.bra = self.cursor |
| if not self.__r_R1(): |
| raise lab0() |
| if among_var == 1: |
| if not self.slice_del(): |
| return False |
| |
| elif among_var == 2: |
| if not self.slice_del(): |
| return False |
| |
| v_2 = self.limit - self.cursor |
| try: |
| self.ket = self.cursor |
| if not self.eq_s_b(u"s"): |
| self.cursor = self.limit - v_2 |
| raise lab1() |
| self.bra = self.cursor |
| if not self.eq_s_b(u"nis"): |
| self.cursor = self.limit - v_2 |
| raise lab1() |
| if not self.slice_del(): |
| return False |
| |
| except lab1: pass |
| else: |
| if not self.in_grouping_b(GermanStemmer.g_s_ending, 98, 116): |
| raise lab0() |
| if not self.slice_del(): |
| return False |
| |
| except lab0: pass |
| self.cursor = self.limit - v_1 |
| v_3 = self.limit - self.cursor |
| try: |
| self.ket = self.cursor |
| among_var = self.find_among_b(GermanStemmer.a_2) |
| if among_var == 0: |
| raise lab2() |
| self.bra = self.cursor |
| if not self.__r_R1(): |
| raise lab2() |
| if among_var == 1: |
| if not self.slice_del(): |
| return False |
| |
| else: |
| if not self.in_grouping_b(GermanStemmer.g_st_ending, 98, 116): |
| raise lab2() |
| c = self.cursor - 3 |
| if c < self.limit_backward: |
| raise lab2() |
| self.cursor = c |
| if not self.slice_del(): |
| return False |
| |
| except lab2: pass |
| self.cursor = self.limit - v_3 |
| v_4 = self.limit - self.cursor |
| try: |
| self.ket = self.cursor |
| among_var = self.find_among_b(GermanStemmer.a_4) |
| if among_var == 0: |
| raise lab3() |
| self.bra = self.cursor |
| if not self.__r_R2(): |
| raise lab3() |
| if among_var == 1: |
| if not self.slice_del(): |
| return False |
| |
| v_5 = self.limit - self.cursor |
| try: |
| self.ket = self.cursor |
| if not self.eq_s_b(u"ig"): |
| self.cursor = self.limit - v_5 |
| raise lab4() |
| self.bra = self.cursor |
| v_6 = self.limit - self.cursor |
| try: |
| if not self.eq_s_b(u"e"): |
| raise lab5() |
| self.cursor = self.limit - v_5 |
| raise lab4() |
| except lab5: pass |
| self.cursor = self.limit - v_6 |
| if not self.__r_R2(): |
| self.cursor = self.limit - v_5 |
| raise lab4() |
| if not self.slice_del(): |
| return False |
| |
| except lab4: pass |
| elif among_var == 2: |
| v_7 = self.limit - self.cursor |
| try: |
| if not self.eq_s_b(u"e"): |
| raise lab6() |
| raise lab3() |
| except lab6: pass |
| self.cursor = self.limit - v_7 |
| if not self.slice_del(): |
| return False |
| |
| elif among_var == 3: |
| if not self.slice_del(): |
| return False |
| |
| v_8 = self.limit - self.cursor |
| try: |
| self.ket = self.cursor |
| try: |
| v_9 = self.limit - self.cursor |
| try: |
| if not self.eq_s_b(u"er"): |
| raise lab9() |
| raise lab8() |
| except lab9: pass |
| self.cursor = self.limit - v_9 |
| if not self.eq_s_b(u"en"): |
| self.cursor = self.limit - v_8 |
| raise lab7() |
| except lab8: pass |
| self.bra = self.cursor |
| if not self.__r_R1(): |
| self.cursor = self.limit - v_8 |
| raise lab7() |
| if not self.slice_del(): |
| return False |
| |
| except lab7: pass |
| else: |
| if not self.slice_del(): |
| return False |
| |
| v_10 = self.limit - self.cursor |
| try: |
| self.ket = self.cursor |
| if self.find_among_b(GermanStemmer.a_3) == 0: |
| self.cursor = self.limit - v_10 |
| raise lab10() |
| self.bra = self.cursor |
| if not self.__r_R2(): |
| self.cursor = self.limit - v_10 |
| raise lab10() |
| if not self.slice_del(): |
| return False |
| |
| except lab10: pass |
| except lab3: pass |
| self.cursor = self.limit - v_4 |
| 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 |
| |
| |
| class lab9(BaseException): pass |
| |
| |
| class lab10(BaseException): pass |
