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편집 파일: italian_stemmer.py

# Generated by Snowball 2.2.0 - https://snowballstem.org/

from .basestemmer import BaseStemmer
from .among import Among

class ItalianStemmer(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, 7),
        Among(u"qu", 0, 6),
        Among(u"\u00E1", 0, 1),
        Among(u"\u00E9", 0, 2),
        Among(u"\u00ED", 0, 3),
        Among(u"\u00F3", 0, 4),
        Among(u"\u00FA", 0, 5)
    ]

a_1 = [
        Among(u"", -1, 3),
        Among(u"I", 0, 1),
        Among(u"U", 0, 2)
    ]

a_2 = [
        Among(u"la", -1, -1),
        Among(u"cela", 0, -1),
        Among(u"gliela", 0, -1),
        Among(u"mela", 0, -1),
        Among(u"tela", 0, -1),
        Among(u"vela", 0, -1),
        Among(u"le", -1, -1),
        Among(u"cele", 6, -1),
        Among(u"gliele", 6, -1),
        Among(u"mele", 6, -1),
        Among(u"tele", 6, -1),
        Among(u"vele", 6, -1),
        Among(u"ne", -1, -1),
        Among(u"cene", 12, -1),
        Among(u"gliene", 12, -1),
        Among(u"mene", 12, -1),
        Among(u"sene", 12, -1),
        Among(u"tene", 12, -1),
        Among(u"vene", 12, -1),
        Among(u"ci", -1, -1),
        Among(u"li", -1, -1),
        Among(u"celi", 20, -1),
        Among(u"glieli", 20, -1),
        Among(u"meli", 20, -1),
        Among(u"teli", 20, -1),
        Among(u"veli", 20, -1),
        Among(u"gli", 20, -1),
        Among(u"mi", -1, -1),
        Among(u"si", -1, -1),
        Among(u"ti", -1, -1),
        Among(u"vi", -1, -1),
        Among(u"lo", -1, -1),
        Among(u"celo", 31, -1),
        Among(u"glielo", 31, -1),
        Among(u"melo", 31, -1),
        Among(u"telo", 31, -1),
        Among(u"velo", 31, -1)
    ]

a_3 = [
        Among(u"ando", -1, 1),
        Among(u"endo", -1, 1),
        Among(u"ar", -1, 2),
        Among(u"er", -1, 2),
        Among(u"ir", -1, 2)
    ]

a_4 = [
        Among(u"ic", -1, -1),
        Among(u"abil", -1, -1),
        Among(u"os", -1, -1),
        Among(u"iv", -1, 1)
    ]

a_5 = [
        Among(u"ic", -1, 1),
        Among(u"abil", -1, 1),
        Among(u"iv", -1, 1)
    ]

a_6 = [
        Among(u"ica", -1, 1),
        Among(u"logia", -1, 3),
        Among(u"osa", -1, 1),
        Among(u"ista", -1, 1),
        Among(u"iva", -1, 9),
        Among(u"anza", -1, 1),
        Among(u"enza", -1, 5),
        Among(u"ice", -1, 1),
        Among(u"atrice", 7, 1),
        Among(u"iche", -1, 1),
        Among(u"logie", -1, 3),
        Among(u"abile", -1, 1),
        Among(u"ibile", -1, 1),
        Among(u"usione", -1, 4),
        Among(u"azione", -1, 2),
        Among(u"uzione", -1, 4),
        Among(u"atore", -1, 2),
        Among(u"ose", -1, 1),
        Among(u"ante", -1, 1),
        Among(u"mente", -1, 1),
        Among(u"amente", 19, 7),
        Among(u"iste", -1, 1),
        Among(u"ive", -1, 9),
        Among(u"anze", -1, 1),
        Among(u"enze", -1, 5),
        Among(u"ici", -1, 1),
        Among(u"atrici", 25, 1),
        Among(u"ichi", -1, 1),
        Among(u"abili", -1, 1),
        Among(u"ibili", -1, 1),
        Among(u"ismi", -1, 1),
        Among(u"usioni", -1, 4),
        Among(u"azioni", -1, 2),
        Among(u"uzioni", -1, 4),
        Among(u"atori", -1, 2),
        Among(u"osi", -1, 1),
        Among(u"anti", -1, 1),
        Among(u"amenti", -1, 6),
        Among(u"imenti", -1, 6),
        Among(u"isti", -1, 1),
        Among(u"ivi", -1, 9),
        Among(u"ico", -1, 1),
        Among(u"ismo", -1, 1),
        Among(u"oso", -1, 1),
        Among(u"amento", -1, 6),
        Among(u"imento", -1, 6),
        Among(u"ivo", -1, 9),
        Among(u"it\u00E0", -1, 8),
        Among(u"ist\u00E0", -1, 1),
        Among(u"ist\u00E8", -1, 1),
        Among(u"ist\u00EC", -1, 1)
    ]

a_7 = [
        Among(u"isca", -1, 1),
        Among(u"enda", -1, 1),
        Among(u"ata", -1, 1),
        Among(u"ita", -1, 1),
        Among(u"uta", -1, 1),
        Among(u"ava", -1, 1),
        Among(u"eva", -1, 1),
        Among(u"iva", -1, 1),
        Among(u"erebbe", -1, 1),
        Among(u"irebbe", -1, 1),
        Among(u"isce", -1, 1),
        Among(u"ende", -1, 1),
        Among(u"are", -1, 1),
        Among(u"ere", -1, 1),
        Among(u"ire", -1, 1),
        Among(u"asse", -1, 1),
        Among(u"ate", -1, 1),
        Among(u"avate", 16, 1),
        Among(u"evate", 16, 1),
        Among(u"ivate", 16, 1),
        Among(u"ete", -1, 1),
        Among(u"erete", 20, 1),
        Among(u"irete", 20, 1),
        Among(u"ite", -1, 1),
        Among(u"ereste", -1, 1),
        Among(u"ireste", -1, 1),
        Among(u"ute", -1, 1),
        Among(u"erai", -1, 1),
        Among(u"irai", -1, 1),
        Among(u"isci", -1, 1),
        Among(u"endi", -1, 1),
        Among(u"erei", -1, 1),
        Among(u"irei", -1, 1),
        Among(u"assi", -1, 1),
        Among(u"ati", -1, 1),
        Among(u"iti", -1, 1),
        Among(u"eresti", -1, 1),
        Among(u"iresti", -1, 1),
        Among(u"uti", -1, 1),
        Among(u"avi", -1, 1),
        Among(u"evi", -1, 1),
        Among(u"ivi", -1, 1),
        Among(u"isco", -1, 1),
        Among(u"ando", -1, 1),
        Among(u"endo", -1, 1),
        Among(u"Yamo", -1, 1),
        Among(u"iamo", -1, 1),
        Among(u"avamo", -1, 1),
        Among(u"evamo", -1, 1),
        Among(u"ivamo", -1, 1),
        Among(u"eremo", -1, 1),
        Among(u"iremo", -1, 1),
        Among(u"assimo", -1, 1),
        Among(u"ammo", -1, 1),
        Among(u"emmo", -1, 1),
        Among(u"eremmo", 54, 1),
        Among(u"iremmo", 54, 1),
        Among(u"immo", -1, 1),
        Among(u"ano", -1, 1),
        Among(u"iscano", 58, 1),
        Among(u"avano", 58, 1),
        Among(u"evano", 58, 1),
        Among(u"ivano", 58, 1),
        Among(u"eranno", -1, 1),
        Among(u"iranno", -1, 1),
        Among(u"ono", -1, 1),
        Among(u"iscono", 65, 1),
        Among(u"arono", 65, 1),
        Among(u"erono", 65, 1),
        Among(u"irono", 65, 1),
        Among(u"erebbero", -1, 1),
        Among(u"irebbero", -1, 1),
        Among(u"assero", -1, 1),
        Among(u"essero", -1, 1),
        Among(u"issero", -1, 1),
        Among(u"ato", -1, 1),
        Among(u"ito", -1, 1),
        Among(u"uto", -1, 1),
        Among(u"avo", -1, 1),
        Among(u"evo", -1, 1),
        Among(u"ivo", -1, 1),
        Among(u"ar", -1, 1),
        Among(u"ir", -1, 1),
        Among(u"er\u00E0", -1, 1),
        Among(u"ir\u00E0", -1, 1),
        Among(u"er\u00F2", -1, 1),
        Among(u"ir\u00F2", -1, 1)
    ]

g_v = [17, 65, 16, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 128, 128, 8, 2, 1]

g_AEIO = [17, 65, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 128, 128, 8, 2]

g_CG = [17]

I_p2 = 0
    I_p1 = 0
    I_pV = 0

def __r_prelude(self):
        v_1 = self.cursor
        while True:
            v_2 = self.cursor
            try:
                self.bra = self.cursor
                among_var = self.find_among(ItalianStemmer.a_0)
                if among_var == 0:
                    raise lab0()
                self.ket = self.cursor
                if among_var == 1:
                    if not self.slice_from(u"\u00E0"):
                        return False
                elif among_var == 2:
                    if not self.slice_from(u"\u00E8"):
                        return False
                elif among_var == 3:
                    if not self.slice_from(u"\u00EC"):
                        return False
                elif among_var == 4:
                    if not self.slice_from(u"\u00F2"):
                        return False
                elif among_var == 5:
                    if not self.slice_from(u"\u00F9"):
                        return False
                elif among_var == 6:
                    if not self.slice_from(u"qU"):
                        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
        while True:
            v_3 = self.cursor
            try:
                try:
                    while True:
                        v_4 = self.cursor
                        try:
                            if not self.in_grouping(ItalianStemmer.g_v, 97, 249):
                                raise lab3()
                            self.bra = self.cursor
                            try:
                                v_5 = self.cursor
                                try:
                                    if not self.eq_s(u"u"):
                                        raise lab5()
                                    self.ket = self.cursor
                                    if not self.in_grouping(ItalianStemmer.g_v, 97, 249):
                                        raise lab5()
                                    if not self.slice_from(u"U"):
                                        return False
                                    raise lab4()
                                except lab5: pass
                                self.cursor = v_5
                                if not self.eq_s(u"i"):
                                    raise lab3()
                                self.ket = self.cursor
                                if not self.in_grouping(ItalianStemmer.g_v, 97, 249):
                                    raise lab3()
                                if not self.slice_from(u"I"):
                                    return False
                            except lab4: pass
                            self.cursor = v_4
                            raise lab2()
                        except lab3: pass
                        self.cursor = v_4
                        if self.cursor >= self.limit:
                            raise lab1()
                        self.cursor += 1
                except lab2: pass
                continue
            except lab1: pass
            self.cursor = v_3
            break
        return True

def __r_mark_regions(self):
        self.I_pV = self.limit
        self.I_p1 = self.limit
        self.I_p2 = self.limit
        v_1 = self.cursor
        try:
            try:
                v_2 = self.cursor
                try:
                    if not self.in_grouping(ItalianStemmer.g_v, 97, 249):
                        raise lab2()
                    try:
                        v_3 = self.cursor
                        try:
                            if not self.out_grouping(ItalianStemmer.g_v, 97, 249):
                                raise lab4()
                            if not self.go_out_grouping(ItalianStemmer.g_v, 97, 249):
                                raise lab4()
                            self.cursor += 1
                            raise lab3()
                        except lab4: pass
                        self.cursor = v_3
                        if not self.in_grouping(ItalianStemmer.g_v, 97, 249):
                            raise lab2()
                        if not self.go_in_grouping(ItalianStemmer.g_v, 97, 249):
                            raise lab2()
                        self.cursor += 1
                    except lab3: pass
                    raise lab1()
                except lab2: pass
                self.cursor = v_2
                if not self.out_grouping(ItalianStemmer.g_v, 97, 249):
                    raise lab0()
                try:
                    v_4 = self.cursor
                    try:
                        if not self.out_grouping(ItalianStemmer.g_v, 97, 249):
                            raise lab6()
                        if not self.go_out_grouping(ItalianStemmer.g_v, 97, 249):
                            raise lab6()
                        self.cursor += 1
                        raise lab5()
                    except lab6: pass
                    self.cursor = v_4
                    if not self.in_grouping(ItalianStemmer.g_v, 97, 249):
                        raise lab0()
                    if self.cursor >= self.limit:
                        raise lab0()
                    self.cursor += 1
                except lab5: pass
            except lab1: pass
            self.I_pV = self.cursor
        except lab0: pass
        self.cursor = v_1
        v_5 = self.cursor
        try:
            if not self.go_out_grouping(ItalianStemmer.g_v, 97, 249):
                raise lab7()
            self.cursor += 1
            if not self.go_in_grouping(ItalianStemmer.g_v, 97, 249):
                raise lab7()
            self.cursor += 1
            self.I_p1 = self.cursor
            if not self.go_out_grouping(ItalianStemmer.g_v, 97, 249):
                raise lab7()
            self.cursor += 1
            if not self.go_in_grouping(ItalianStemmer.g_v, 97, 249):
                raise lab7()
            self.cursor += 1
            self.I_p2 = self.cursor
        except lab7: pass
        self.cursor = v_5
        return True

def __r_postlude(self):
        while True:
            v_1 = self.cursor
            try:
                self.bra = self.cursor
                among_var = self.find_among(ItalianStemmer.a_1)
                if among_var == 0:
                    raise lab0()
                self.ket = self.cursor
                if among_var == 1:
                    if not self.slice_from(u"i"):
                        return False
                elif among_var == 2:
                    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_1
            break
        return True

def __r_RV(self):
        if not self.I_pV <= self.cursor:
            return False
        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_attached_pronoun(self):
        self.ket = self.cursor
        if self.find_among_b(ItalianStemmer.a_2) == 0:
            return False
        self.bra = self.cursor
        among_var = self.find_among_b(ItalianStemmer.a_3)
        if among_var == 0:
            return False
        if not self.__r_RV():
            return False
        if among_var == 1:
            if not self.slice_del():
                return False

else:
            if not self.slice_from(u"e"):
                return False
        return True

def __r_standard_suffix(self):
        self.ket = self.cursor
        among_var = self.find_among_b(ItalianStemmer.a_6)
        if among_var == 0:
            return False
        self.bra = self.cursor
        if among_var == 1:
            if not self.__r_R2():
                return False
            if not self.slice_del():
                return False

elif among_var == 2:
            if not self.__r_R2():
                return False
            if not self.slice_del():
                return False

v_1 = self.limit - self.cursor
            try:
                self.ket = self.cursor
                if not self.eq_s_b(u"ic"):
                    self.cursor = self.limit - v_1
                    raise lab0()
                self.bra = self.cursor
                if not self.__r_R2():
                    self.cursor = self.limit - v_1
                    raise lab0()
                if not self.slice_del():
                    return False

except lab0: pass
        elif among_var == 3:
            if not self.__r_R2():
                return False
            if not self.slice_from(u"log"):
                return False
        elif among_var == 4:
            if not self.__r_R2():
                return False
            if not self.slice_from(u"u"):
                return False
        elif among_var == 5:
            if not self.__r_R2():
                return False
            if not self.slice_from(u"ente"):
                return False
        elif among_var == 6:
            if not self.__r_RV():
                return False
            if not self.slice_del():
                return False

elif among_var == 7:
            if not self.__r_R1():
                return False
            if not self.slice_del():
                return False

v_2 = self.limit - self.cursor
            try:
                self.ket = self.cursor
                among_var = self.find_among_b(ItalianStemmer.a_4)
                if among_var == 0:
                    self.cursor = self.limit - v_2
                    raise lab1()
                self.bra = self.cursor
                if not self.__r_R2():
                    self.cursor = self.limit - v_2
                    raise lab1()
                if not self.slice_del():
                    return False

if among_var == 1:
                    self.ket = self.cursor
                    if not self.eq_s_b(u"at"):
                        self.cursor = self.limit - v_2
                        raise lab1()
                    self.bra = self.cursor
                    if not self.__r_R2():
                        self.cursor = self.limit - v_2
                        raise lab1()
                    if not self.slice_del():
                        return False

except lab1: pass
        elif among_var == 8:
            if not self.__r_R2():
                return False
            if not self.slice_del():
                return False

v_3 = self.limit - self.cursor
            try:
                self.ket = self.cursor
                if self.find_among_b(ItalianStemmer.a_5) == 0:
                    self.cursor = self.limit - v_3
                    raise lab2()
                self.bra = self.cursor
                if not self.__r_R2():
                    self.cursor = self.limit - v_3
                    raise lab2()
                if not self.slice_del():
                    return False

except lab2: pass
        else:
            if not self.__r_R2():
                return False
            if not self.slice_del():
                return False

v_4 = self.limit - self.cursor
            try:
                self.ket = self.cursor
                if not self.eq_s_b(u"at"):
                    self.cursor = self.limit - v_4
                    raise lab3()
                self.bra = self.cursor
                if not self.__r_R2():
                    self.cursor = self.limit - v_4
                    raise lab3()
                if not self.slice_del():
                    return False

self.ket = self.cursor
                if not self.eq_s_b(u"ic"):
                    self.cursor = self.limit - v_4
                    raise lab3()
                self.bra = self.cursor
                if not self.__r_R2():
                    self.cursor = self.limit - v_4
                    raise lab3()
                if not self.slice_del():
                    return False

except lab3: pass
        return True

def __r_verb_suffix(self):
        if self.cursor < self.I_pV:
            return False
        v_2 = self.limit_backward
        self.limit_backward = self.I_pV
        self.ket = self.cursor
        if self.find_among_b(ItalianStemmer.a_7) == 0:
            self.limit_backward = v_2
            return False
        self.bra = self.cursor
        if not self.slice_del():
            return False

self.limit_backward = v_2
        return True

def __r_vowel_suffix(self):
        v_1 = self.limit - self.cursor
        try:
            self.ket = self.cursor
            if not self.in_grouping_b(ItalianStemmer.g_AEIO, 97, 242):
                self.cursor = self.limit - v_1
                raise lab0()
            self.bra = self.cursor
            if not self.__r_RV():
                self.cursor = self.limit - v_1
                raise lab0()
            if not self.slice_del():
                return False

self.ket = self.cursor
            if not self.eq_s_b(u"i"):
                self.cursor = self.limit - v_1
                raise lab0()
            self.bra = self.cursor
            if not self.__r_RV():
                self.cursor = self.limit - v_1
                raise lab0()
            if not self.slice_del():
                return False

except lab0: pass
        v_2 = self.limit - self.cursor
        try:
            self.ket = self.cursor
            if not self.eq_s_b(u"h"):
                self.cursor = self.limit - v_2
                raise lab1()
            self.bra = self.cursor
            if not self.in_grouping_b(ItalianStemmer.g_CG, 99, 103):
                self.cursor = self.limit - v_2
                raise lab1()
            if not self.__r_RV():
                self.cursor = self.limit - v_2
                raise lab1()
            if not self.slice_del():
                return False

except lab1: pass
        return True

def _stem(self):
        v_1 = self.cursor
        self.__r_prelude()
        self.cursor = v_1
        self.__r_mark_regions()
        self.limit_backward = self.cursor
        self.cursor = self.limit
        v_3 = self.limit - self.cursor
        self.__r_attached_pronoun()
        self.cursor = self.limit - v_3
        v_4 = self.limit - self.cursor
        try:
            try:
                v_5 = self.limit - self.cursor
                try:
                    if not self.__r_standard_suffix():
                        raise lab2()
                    raise lab1()
                except lab2: pass
                self.cursor = self.limit - v_5
                if not self.__r_verb_suffix():
                    raise lab0()
            except lab1: pass
        except lab0: pass
        self.cursor = self.limit - v_4
        v_6 = self.limit - self.cursor
        self.__r_vowel_suffix()
        self.cursor = self.limit - v_6
        self.cursor = self.limit_backward
        v_7 = self.cursor
        self.__r_postlude()
        self.cursor = v_7
        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