| # Generated by Snowball 2.2.0 - https://snowballstem.org/ |
| |
| from .basestemmer import BaseStemmer |
| from .among import Among |
| |
| |
| class IndonesianStemmer(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"kah", -1, 1), |
| Among(u"lah", -1, 1), |
| Among(u"pun", -1, 1) |
| ] |
| |
| a_1 = [ |
| Among(u"nya", -1, 1), |
| Among(u"ku", -1, 1), |
| Among(u"mu", -1, 1) |
| ] |
| |
| a_2 = [ |
| Among(u"i", -1, 1, "_IndonesianStemmer__r_SUFFIX_I_OK"), |
| Among(u"an", -1, 1, "_IndonesianStemmer__r_SUFFIX_AN_OK"), |
| Among(u"kan", 1, 1, "_IndonesianStemmer__r_SUFFIX_KAN_OK") |
| ] |
| |
| a_3 = [ |
| Among(u"di", -1, 1), |
| Among(u"ke", -1, 2), |
| Among(u"me", -1, 1), |
| Among(u"mem", 2, 5), |
| Among(u"men", 2, 1), |
| Among(u"meng", 4, 1), |
| Among(u"meny", 4, 3, "_IndonesianStemmer__r_VOWEL"), |
| Among(u"pem", -1, 6), |
| Among(u"pen", -1, 2), |
| Among(u"peng", 8, 2), |
| Among(u"peny", 8, 4, "_IndonesianStemmer__r_VOWEL"), |
| Among(u"ter", -1, 1) |
| ] |
| |
| a_4 = [ |
| Among(u"be", -1, 3, "_IndonesianStemmer__r_KER"), |
| Among(u"belajar", 0, 4), |
| Among(u"ber", 0, 3), |
| Among(u"pe", -1, 1), |
| Among(u"pelajar", 3, 2), |
| Among(u"per", 3, 1) |
| ] |
| |
| g_vowel = [17, 65, 16] |
| |
| I_prefix = 0 |
| I_measure = 0 |
| |
| def __r_remove_particle(self): |
| self.ket = self.cursor |
| if self.find_among_b(IndonesianStemmer.a_0) == 0: |
| return False |
| self.bra = self.cursor |
| if not self.slice_del(): |
| return False |
| |
| self.I_measure -= 1 |
| return True |
| |
| def __r_remove_possessive_pronoun(self): |
| self.ket = self.cursor |
| if self.find_among_b(IndonesianStemmer.a_1) == 0: |
| return False |
| self.bra = self.cursor |
| if not self.slice_del(): |
| return False |
| |
| self.I_measure -= 1 |
| return True |
| |
| def __r_SUFFIX_KAN_OK(self): |
| if not self.I_prefix != 3: |
| return False |
| if not self.I_prefix != 2: |
| return False |
| return True |
| |
| def __r_SUFFIX_AN_OK(self): |
| if not self.I_prefix != 1: |
| return False |
| return True |
| |
| def __r_SUFFIX_I_OK(self): |
| if not self.I_prefix <= 2: |
| return False |
| v_1 = self.limit - self.cursor |
| try: |
| if not self.eq_s_b(u"s"): |
| raise lab0() |
| return False |
| except lab0: pass |
| self.cursor = self.limit - v_1 |
| return True |
| |
| def __r_remove_suffix(self): |
| self.ket = self.cursor |
| if self.find_among_b(IndonesianStemmer.a_2) == 0: |
| return False |
| self.bra = self.cursor |
| if not self.slice_del(): |
| return False |
| |
| self.I_measure -= 1 |
| return True |
| |
| def __r_VOWEL(self): |
| if not self.in_grouping(IndonesianStemmer.g_vowel, 97, 117): |
| return False |
| return True |
| |
| def __r_KER(self): |
| if not self.out_grouping(IndonesianStemmer.g_vowel, 97, 117): |
| return False |
| if not self.eq_s(u"er"): |
| return False |
| return True |
| |
| def __r_remove_first_order_prefix(self): |
| self.bra = self.cursor |
| among_var = self.find_among(IndonesianStemmer.a_3) |
| if among_var == 0: |
| return False |
| self.ket = self.cursor |
| if among_var == 1: |
| if not self.slice_del(): |
| return False |
| |
| self.I_prefix = 1 |
| self.I_measure -= 1 |
| elif among_var == 2: |
| if not self.slice_del(): |
| return False |
| |
| self.I_prefix = 3 |
| self.I_measure -= 1 |
| elif among_var == 3: |
| self.I_prefix = 1 |
| if not self.slice_from(u"s"): |
| return False |
| self.I_measure -= 1 |
| elif among_var == 4: |
| self.I_prefix = 3 |
| if not self.slice_from(u"s"): |
| return False |
| self.I_measure -= 1 |
| elif among_var == 5: |
| self.I_prefix = 1 |
| self.I_measure -= 1 |
| try: |
| v_1 = self.cursor |
| try: |
| v_2 = self.cursor |
| if not self.in_grouping(IndonesianStemmer.g_vowel, 97, 117): |
| raise lab1() |
| self.cursor = v_2 |
| if not self.slice_from(u"p"): |
| return False |
| raise lab0() |
| except lab1: pass |
| self.cursor = v_1 |
| if not self.slice_del(): |
| return False |
| |
| except lab0: pass |
| else: |
| self.I_prefix = 3 |
| self.I_measure -= 1 |
| try: |
| v_3 = self.cursor |
| try: |
| v_4 = self.cursor |
| if not self.in_grouping(IndonesianStemmer.g_vowel, 97, 117): |
| raise lab3() |
| self.cursor = v_4 |
| if not self.slice_from(u"p"): |
| return False |
| raise lab2() |
| except lab3: pass |
| self.cursor = v_3 |
| if not self.slice_del(): |
| return False |
| |
| except lab2: pass |
| return True |
| |
| def __r_remove_second_order_prefix(self): |
| self.bra = self.cursor |
| among_var = self.find_among(IndonesianStemmer.a_4) |
| if among_var == 0: |
| return False |
| self.ket = self.cursor |
| if among_var == 1: |
| if not self.slice_del(): |
| return False |
| |
| self.I_prefix = 2 |
| self.I_measure -= 1 |
| elif among_var == 2: |
| if not self.slice_from(u"ajar"): |
| return False |
| self.I_measure -= 1 |
| elif among_var == 3: |
| if not self.slice_del(): |
| return False |
| |
| self.I_prefix = 4 |
| self.I_measure -= 1 |
| else: |
| if not self.slice_from(u"ajar"): |
| return False |
| self.I_prefix = 4 |
| self.I_measure -= 1 |
| return True |
| |
| def _stem(self): |
| self.I_measure = 0 |
| v_1 = self.cursor |
| try: |
| while True: |
| v_2 = self.cursor |
| try: |
| if not self.go_out_grouping(IndonesianStemmer.g_vowel, 97, 117): |
| raise lab1() |
| self.cursor += 1 |
| self.I_measure += 1 |
| continue |
| except lab1: pass |
| self.cursor = v_2 |
| break |
| except lab0: pass |
| self.cursor = v_1 |
| if not self.I_measure > 2: |
| return False |
| self.I_prefix = 0 |
| self.limit_backward = self.cursor |
| self.cursor = self.limit |
| v_3 = self.limit - self.cursor |
| self.__r_remove_particle() |
| self.cursor = self.limit - v_3 |
| if not self.I_measure > 2: |
| return False |
| v_4 = self.limit - self.cursor |
| self.__r_remove_possessive_pronoun() |
| self.cursor = self.limit - v_4 |
| self.cursor = self.limit_backward |
| if not self.I_measure > 2: |
| return False |
| try: |
| v_5 = self.cursor |
| try: |
| v_6 = self.cursor |
| if not self.__r_remove_first_order_prefix(): |
| raise lab3() |
| v_7 = self.cursor |
| try: |
| v_8 = self.cursor |
| if not self.I_measure > 2: |
| raise lab4() |
| self.limit_backward = self.cursor |
| self.cursor = self.limit |
| if not self.__r_remove_suffix(): |
| raise lab4() |
| self.cursor = self.limit_backward |
| self.cursor = v_8 |
| if not self.I_measure > 2: |
| raise lab4() |
| if not self.__r_remove_second_order_prefix(): |
| raise lab4() |
| except lab4: pass |
| self.cursor = v_7 |
| self.cursor = v_6 |
| raise lab2() |
| except lab3: pass |
| self.cursor = v_5 |
| v_9 = self.cursor |
| self.__r_remove_second_order_prefix() |
| self.cursor = v_9 |
| v_10 = self.cursor |
| try: |
| if not self.I_measure > 2: |
| raise lab5() |
| self.limit_backward = self.cursor |
| self.cursor = self.limit |
| if not self.__r_remove_suffix(): |
| raise lab5() |
| self.cursor = self.limit_backward |
| except lab5: pass |
| self.cursor = v_10 |
| except lab2: pass |
| 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 |
