# Generated from portuguese.sbl by Snowball 3.1.1 - https://snowballstem.org/

from .basestemmer import BaseStemmer
from .among import Among


class PortugueseStemmer(BaseStemmer):
    '''
    This class implements the stemming algorithm defined by a snowball script.
    Generated from portuguese.sbl by Snowball 3.1.1 - https://snowballstem.org/
    '''

    g_v = {"a", "e", "i", "o", "u", "á", "â", "é", "ê", "í", "ó", "ô", "ú"}

    I_p2 = 0
    I_p1 = 0
    I_pV = 0

    def __r_prelude(self):
        while True:
            v_1 = self.cursor
            try:
                self.bra = self.cursor
                among_var = self.find_among(PortugueseStemmer.a_0)
                self.ket = self.cursor
                if among_var == 1:
                    self.slice_from("a~")
                elif among_var == 2:
                    self.slice_from("o~")
                else:
                    if self.cursor >= self.limit:
                        raise lab0()
                    self.cursor += 1
                continue
            except lab0: pass
            self.cursor = v_1
            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:
            while True:
                v_2 = self.cursor
                try:
                    if not self.in_grouping(PortugueseStemmer.g_v):
                        raise lab1()
                    while True:
                        v_3 = self.cursor
                        try:
                            if not self.out_grouping(PortugueseStemmer.g_v):
                                raise lab2()
                            if not self.go_out_grouping(PortugueseStemmer.g_v):
                                raise lab2()
                            self.cursor += 1
                            break
                        except lab2: pass
                        self.cursor = v_3
                        if not self.in_grouping(PortugueseStemmer.g_v):
                            raise lab1()
                        if not self.go_in_grouping(PortugueseStemmer.g_v):
                            raise lab1()
                        self.cursor += 1
                        break
                    break
                except lab1: pass
                self.cursor = v_2
                if not self.out_grouping(PortugueseStemmer.g_v):
                    raise lab0()
                while True:
                    v_4 = self.cursor
                    try:
                        if not self.out_grouping(PortugueseStemmer.g_v):
                            raise lab1()
                        if not self.go_out_grouping(PortugueseStemmer.g_v):
                            raise lab1()
                        self.cursor += 1
                        break
                    except lab1: pass
                    self.cursor = v_4
                    if not self.in_grouping(PortugueseStemmer.g_v):
                        raise lab0()
                    if self.cursor >= self.limit:
                        raise lab0()
                    self.cursor += 1
                    break
                break
            self.I_pV = self.cursor
        except lab0: pass
        self.cursor = v_1
        v_5 = self.cursor
        try:
            if not self.go_out_grouping(PortugueseStemmer.g_v):
                raise lab0()
            self.cursor += 1
            if not self.go_in_grouping(PortugueseStemmer.g_v):
                raise lab0()
            self.cursor += 1
            self.I_p1 = self.cursor
            if not self.go_out_grouping(PortugueseStemmer.g_v):
                raise lab0()
            self.cursor += 1
            if not self.go_in_grouping(PortugueseStemmer.g_v):
                raise lab0()
            self.cursor += 1
            self.I_p2 = self.cursor
        except lab0: 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(PortugueseStemmer.a_1)
                self.ket = self.cursor
                if among_var == 1:
                    self.slice_from("ã")
                elif among_var == 2:
                    self.slice_from("õ")
                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):
        return self.I_pV <= self.cursor

    def __r_R2(self):
        return self.I_p2 <= self.cursor

    def __r_standard_suffix(self):
        self.ket = self.cursor
        among_var = self.find_among_b(PortugueseStemmer.a_5)
        if among_var == 0:
            return False
        self.bra = self.cursor
        if among_var == 1:
            if not self.__r_R2():
                return False
            self.slice_del()
        elif among_var == 2:
            if not self.__r_R2():
                return False
            self.slice_from("log")
        elif among_var == 3:
            if not self.__r_R2():
                return False
            self.slice_from("u")
        elif among_var == 4:
            if not self.__r_R2():
                return False
            self.slice_from("ente")
        elif among_var == 5:
            if self.I_p1 > self.cursor:
                return False
            self.slice_del()
            v_1 = self.limit - self.cursor
            try:
                self.ket = self.cursor
                among_var = self.find_among_b(PortugueseStemmer.a_2)
                if among_var == 0:
                    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()
                self.slice_del()
                if among_var == 1:
                    self.ket = self.cursor
                    if not self.eq_s_b("at"):
                        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()
                    self.slice_del()
            except lab0: pass
        elif among_var == 6:
            if not self.__r_R2():
                return False
            self.slice_del()
            v_2 = self.limit - self.cursor
            try:
                self.ket = self.cursor
                if self.find_among_b(PortugueseStemmer.a_3) == 0:
                    self.cursor = self.limit - v_2
                    raise lab0()
                self.bra = self.cursor
                if not self.__r_R2():
                    self.cursor = self.limit - v_2
                    raise lab0()
                self.slice_del()
            except lab0: pass
        elif among_var == 7:
            if not self.__r_R2():
                return False
            self.slice_del()
            v_3 = self.limit - self.cursor
            try:
                self.ket = self.cursor
                if self.find_among_b(PortugueseStemmer.a_4) == 0:
                    self.cursor = self.limit - v_3
                    raise lab0()
                self.bra = self.cursor
                if not self.__r_R2():
                    self.cursor = self.limit - v_3
                    raise lab0()
                self.slice_del()
            except lab0: pass
        elif among_var == 8:
            if not self.__r_R2():
                return False
            self.slice_del()
            v_4 = self.limit - self.cursor
            try:
                self.ket = self.cursor
                if not self.eq_s_b("at"):
                    self.cursor = self.limit - v_4
                    raise lab0()
                self.bra = self.cursor
                if not self.__r_R2():
                    self.cursor = self.limit - v_4
                    raise lab0()
                self.slice_del()
            except lab0: pass
        else:
            if not self.__r_RV():
                return False
            if self.cursor <= self.limit_backward or self.current[self.cursor - 1] != "e":
                return False
            self.cursor -= 1
            self.slice_from("ir")
        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(PortugueseStemmer.a_6) == 0:
            self.limit_backward = v_2
            return False
        self.bra = self.cursor
        self.slice_del()
        self.limit_backward = v_2
        return True

    def __r_residual_suffix(self):
        self.ket = self.cursor
        if self.find_among_b(PortugueseStemmer.a_7) == 0:
            return False
        self.bra = self.cursor
        if not self.__r_RV():
            return False
        self.slice_del()
        return True

    def __r_residual_form(self):
        self.ket = self.cursor
        among_var = self.find_among_b(PortugueseStemmer.a_8)
        if among_var == 0:
            return False
        self.bra = self.cursor
        if among_var == 1:
            if not self.__r_RV():
                return False
            self.slice_del()
            self.ket = self.cursor
            while True:
                v_1 = self.limit - self.cursor
                try:
                    if self.cursor <= self.limit_backward or self.current[self.cursor - 1] != "u":
                        raise lab0()
                    self.cursor -= 1
                    self.bra = self.cursor
                    v_2 = self.limit - self.cursor
                    if self.cursor <= self.limit_backward or self.current[self.cursor - 1] != "g":
                        raise lab0()
                    self.cursor -= 1
                    self.cursor = self.limit - v_2
                    break
                except lab0: pass
                self.cursor = self.limit - v_1
                if self.cursor <= self.limit_backward or self.current[self.cursor - 1] != "i":
                    return False
                self.cursor -= 1
                self.bra = self.cursor
                v_3 = self.limit - self.cursor
                if self.cursor <= self.limit_backward or self.current[self.cursor - 1] != "c":
                    return False
                self.cursor -= 1
                self.cursor = self.limit - v_3
                break
            if not self.__r_RV():
                return False
            self.slice_del()
        else:
            self.slice_from("c")
        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_2 = self.limit - self.cursor
        try:
            while True:
                v_3 = self.limit - self.cursor
                try:
                    v_4 = self.limit - self.cursor
                    while True:
                        v_5 = self.limit - self.cursor
                        try:
                            if not self.__r_standard_suffix():
                                raise lab2()
                            break
                        except lab2: pass
                        self.cursor = self.limit - v_5
                        if not self.__r_verb_suffix():
                            raise lab1()
                        break
                    self.cursor = self.limit - v_4
                    v_6 = self.limit - self.cursor
                    try:
                        self.ket = self.cursor
                        if self.cursor <= self.limit_backward or self.current[self.cursor - 1] != "i":
                            raise lab2()
                        self.cursor -= 1
                        self.bra = self.cursor
                        v_7 = self.limit - self.cursor
                        if self.cursor <= self.limit_backward or self.current[self.cursor - 1] != "c":
                            raise lab2()
                        self.cursor -= 1
                        self.cursor = self.limit - v_7
                        if not self.__r_RV():
                            raise lab2()
                        self.slice_del()
                    except lab2: pass
                    self.cursor = self.limit - v_6
                    break
                except lab1: pass
                self.cursor = self.limit - v_3
                if not self.__r_residual_suffix():
                    raise lab0()
                break
        except lab0: pass
        self.cursor = self.limit - v_2
        v_8 = self.limit - self.cursor
        self.__r_residual_form()
        self.cursor = self.limit - v_8
        self.cursor = self.limit_backward
        v_9 = self.cursor
        self.__r_postlude()
        self.cursor = v_9
        return True

    a_0 = [
        Among("", -1, 3),
        Among("ã", 0, 1),
        Among("õ", 0, 2)
    ]

    a_1 = [
        Among("", -1, 3),
        Among("a~", 0, 1),
        Among("o~", 0, 2)
    ]

    a_2 = [
        Among("ic", -1, -1),
        Among("ad", -1, -1),
        Among("os", -1, -1),
        Among("iv", -1, 1)
    ]

    a_3 = [
        Among("ante", -1, 1),
        Among("avel", -1, 1),
        Among("ível", -1, 1)
    ]

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

    a_5 = [
        Among("ica", -1, 1),
        Among("ância", -1, 1),
        Among("ência", -1, 4),
        Among("logia", -1, 2),
        Among("ira", -1, 9),
        Among("adora", -1, 1),
        Among("osa", -1, 1),
        Among("ista", -1, 1),
        Among("iva", -1, 8),
        Among("eza", -1, 1),
        Among("idade", -1, 7),
        Among("ante", -1, 1),
        Among("mente", -1, 6),
        Among("amente", 12, 5),
        Among("ável", -1, 1),
        Among("ível", -1, 1),
        Among("ico", -1, 1),
        Among("ismo", -1, 1),
        Among("oso", -1, 1),
        Among("amento", -1, 1),
        Among("imento", -1, 1),
        Among("ivo", -1, 8),
        Among("aça~o", -1, 1),
        Among("uça~o", -1, 3),
        Among("ador", -1, 1),
        Among("icas", -1, 1),
        Among("ências", -1, 4),
        Among("logias", -1, 2),
        Among("iras", -1, 9),
        Among("adoras", -1, 1),
        Among("osas", -1, 1),
        Among("istas", -1, 1),
        Among("ivas", -1, 8),
        Among("ezas", -1, 1),
        Among("idades", -1, 7),
        Among("adores", -1, 1),
        Among("antes", -1, 1),
        Among("aço~es", -1, 1),
        Among("uço~es", -1, 3),
        Among("icos", -1, 1),
        Among("ismos", -1, 1),
        Among("osos", -1, 1),
        Among("amentos", -1, 1),
        Among("imentos", -1, 1),
        Among("ivos", -1, 8)
    ]

    a_6 = [
        Among("ada", -1, 1),
        Among("ida", -1, 1),
        Among("ia", -1, 1),
        Among("aria", 2, 1),
        Among("eria", 2, 1),
        Among("iria", 2, 1),
        Among("ara", -1, 1),
        Among("era", -1, 1),
        Among("ira", -1, 1),
        Among("ava", -1, 1),
        Among("asse", -1, 1),
        Among("esse", -1, 1),
        Among("isse", -1, 1),
        Among("aste", -1, 1),
        Among("este", -1, 1),
        Among("iste", -1, 1),
        Among("ei", -1, 1),
        Among("arei", 16, 1),
        Among("erei", 16, 1),
        Among("irei", 16, 1),
        Among("am", -1, 1),
        Among("iam", 20, 1),
        Among("ariam", 21, 1),
        Among("eriam", 21, 1),
        Among("iriam", 21, 1),
        Among("aram", 20, 1),
        Among("eram", 20, 1),
        Among("iram", 20, 1),
        Among("avam", 20, 1),
        Among("em", -1, 1),
        Among("arem", 29, 1),
        Among("erem", 29, 1),
        Among("irem", 29, 1),
        Among("assem", 29, 1),
        Among("essem", 29, 1),
        Among("issem", 29, 1),
        Among("ado", -1, 1),
        Among("ido", -1, 1),
        Among("ando", -1, 1),
        Among("endo", -1, 1),
        Among("indo", -1, 1),
        Among("ara~o", -1, 1),
        Among("era~o", -1, 1),
        Among("ira~o", -1, 1),
        Among("ar", -1, 1),
        Among("er", -1, 1),
        Among("ir", -1, 1),
        Among("as", -1, 1),
        Among("adas", 47, 1),
        Among("idas", 47, 1),
        Among("ias", 47, 1),
        Among("arias", 50, 1),
        Among("erias", 50, 1),
        Among("irias", 50, 1),
        Among("aras", 47, 1),
        Among("eras", 47, 1),
        Among("iras", 47, 1),
        Among("avas", 47, 1),
        Among("es", -1, 1),
        Among("ardes", 58, 1),
        Among("erdes", 58, 1),
        Among("irdes", 58, 1),
        Among("ares", 58, 1),
        Among("eres", 58, 1),
        Among("ires", 58, 1),
        Among("asses", 58, 1),
        Among("esses", 58, 1),
        Among("isses", 58, 1),
        Among("astes", 58, 1),
        Among("estes", 58, 1),
        Among("istes", 58, 1),
        Among("is", -1, 1),
        Among("ais", 71, 1),
        Among("eis", 71, 1),
        Among("areis", 73, 1),
        Among("ereis", 73, 1),
        Among("ireis", 73, 1),
        Among("áreis", 73, 1),
        Among("éreis", 73, 1),
        Among("íreis", 73, 1),
        Among("ásseis", 73, 1),
        Among("ésseis", 73, 1),
        Among("ísseis", 73, 1),
        Among("áveis", 73, 1),
        Among("íeis", 73, 1),
        Among("aríeis", 84, 1),
        Among("eríeis", 84, 1),
        Among("iríeis", 84, 1),
        Among("ados", -1, 1),
        Among("idos", -1, 1),
        Among("amos", -1, 1),
        Among("áramos", 90, 1),
        Among("éramos", 90, 1),
        Among("íramos", 90, 1),
        Among("ávamos", 90, 1),
        Among("íamos", 90, 1),
        Among("aríamos", 95, 1),
        Among("eríamos", 95, 1),
        Among("iríamos", 95, 1),
        Among("emos", -1, 1),
        Among("aremos", 99, 1),
        Among("eremos", 99, 1),
        Among("iremos", 99, 1),
        Among("ássemos", 99, 1),
        Among("êssemos", 99, 1),
        Among("íssemos", 99, 1),
        Among("imos", -1, 1),
        Among("armos", -1, 1),
        Among("ermos", -1, 1),
        Among("irmos", -1, 1),
        Among("ámos", -1, 1),
        Among("arás", -1, 1),
        Among("erás", -1, 1),
        Among("irás", -1, 1),
        Among("eu", -1, 1),
        Among("iu", -1, 1),
        Among("ou", -1, 1),
        Among("ará", -1, 1),
        Among("erá", -1, 1),
        Among("irá", -1, 1)
    ]

    a_7 = [
        Among("a", -1, 1),
        Among("i", -1, 1),
        Among("o", -1, 1),
        Among("os", -1, 1),
        Among("á", -1, 1),
        Among("í", -1, 1),
        Among("ó", -1, 1)
    ]

    a_8 = [
        Among("e", -1, 1),
        Among("ç", -1, 2),
        Among("é", -1, 1),
        Among("ê", -1, 1)
    ]


class lab0(BaseException): pass


class lab1(BaseException): pass


class lab2(BaseException): pass