mirror of
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184 lines
6.4 KiB
Cython
184 lines
6.4 KiB
Cython
# cython: profile=True
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from .word cimport Lexeme
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from .lexeme cimport *
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cdef class Tokens:
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"""A sequence of references to Lexeme objects.
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The Tokens class provides fast and memory-efficient access to lexical features,
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and can efficiently export the data to a numpy array. Specific languages
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create their own Tokens subclasses, to provide more convenient access to
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language-specific features.
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>>> from spacy.en import EN
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>>> tokens = EN.tokenize('An example sentence.')
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>>> tokens.string(0)
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'An'
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>>> tokens.prob(0) > tokens.prob(1)
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True
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>>> tokens.can_noun(0)
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False
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>>> tokens.can_noun(1)
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True
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"""
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def __cinit__(self, string_length=0):
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size = int(string_length / 3) if string_length >= 3 else 1
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self.lex = new vector[LexemeC*]()
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self.idx = new vector[int]()
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self.pos = new vector[int]()
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self.lex.reserve(size)
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self.idx.reserve(size)
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self.pos.reserve(size)
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def __dealloc__(self):
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del self.lex
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del self.idx
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del self.pos
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def __getitem__(self, i):
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return Lexeme(<size_t>self.lex.at(i))
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def __len__(self):
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return self.lex.size()
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cdef int push_back(self, int idx, LexemeC* lexeme) except -1:
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self.lex.push_back(lexeme)
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self.idx.push_back(idx)
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return idx + lexeme.ints[<int>LexInt_length]
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cdef int extend(self, int idx, LexemeC** lexemes, int n) except -1:
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cdef int i
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if lexemes == NULL:
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return idx
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elif n == 0:
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i = 0
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while lexemes[i] != NULL:
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self.lex.push_back(lexemes[i])
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self.idx.push_back(idx)
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idx += lexemes[i].ints[<int>LexInt_length]
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i += 1
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else:
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for i in range(n):
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self.lex.push_back(lexemes[i])
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self.idx.push_back(idx)
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idx += lexemes[i].ints[<int>LexInt_length]
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return idx
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cpdef int id(self, size_t i) except -1:
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return self.lex.at(i).ints[<int>LexInt_id]
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cpdef float prob(self, size_t i) except 1:
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return self.lex.at(i).floats[<int>LexFloat_prob]
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cpdef int cluster(self, size_t i) except *:
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return self.lex.at(i).ints[<int>LexInt_cluster]
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cpdef bint check_orth_flag(self, size_t i, size_t flag_id) except *:
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return lexeme_check_orth_flag(self.lex.at(i), flag_id)
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cpdef bint check_dist_flag(self, size_t i, size_t flag_id) except *:
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return lexeme_check_dist_flag(self.lex.at(i), flag_id)
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cpdef unicode string_view(self, size_t i, size_t view_id):
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return lexeme_get_string(self.lex.at(i), view_id)
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# Provide accessor methods for the features supported by the language.
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# Without these, clients have to use the underlying string_view and check_flag
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# methods, which requires them to know the IDs.
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cpdef unicode string(self, size_t i):
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return self.orig(i)
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cpdef unicode orig(self, size_t i):
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cdef bytes utf8_string = self.lex.at(i).strings[<int>LexStr_orig]
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cdef unicode string = utf8_string.decode('utf8')
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return string
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cpdef unicode norm(self, size_t i):
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cdef bytes utf8_string = self.lex.at(i).strings[<int>LexStr_norm]
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cdef unicode string = utf8_string.decode('utf8')
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return string
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cpdef unicode shape(self, size_t i):
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return lexeme_get_string(self.lex.at(i), LexStr_shape)
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cpdef unicode unsparse(self, size_t i):
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return lexeme_get_string(self.lex.at(i), LexStr_unsparse)
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cpdef unicode asciied(self, size_t i):
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return lexeme_get_string(self.lex.at(i), LexStr_asciied)
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cpdef bint is_alpha(self, size_t i) except *:
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return lexeme_check_orth_flag(self.lex.at(i), LexOrth_alpha)
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cpdef bint is_ascii(self, size_t i) except *:
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return lexeme_check_orth_flag(self.lex.at(i), LexOrth_ascii)
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cpdef bint is_digit(self, size_t i) except *:
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return lexeme_check_orth_flag(self.lex.at(i), LexOrth_digit)
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cpdef bint is_lower(self, size_t i) except *:
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return lexeme_check_orth_flag(self.lex.at(i), LexOrth_lower)
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cpdef bint is_punct(self, size_t i) except *:
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return lexeme_check_orth_flag(self.lex.at(i), LexOrth_punct)
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cpdef bint is_space(self, size_t i) except *:
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return lexeme_check_orth_flag(self.lex.at(i), LexOrth_space)
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cpdef bint is_title(self, size_t i) except *:
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return lexeme_check_orth_flag(self.lex.at(i), LexOrth_title)
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cpdef bint is_upper(self, size_t i) except *:
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return lexeme_check_orth_flag(self.lex.at(i), LexOrth_upper)
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cpdef bint can_adj(self, size_t i) except *:
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return lexeme_check_dist_flag(self.lex.at(i), LexDist_adj)
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cpdef bint can_adp(self, size_t i) except *:
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return lexeme_check_dist_flag(self.lex.at(i), LexDist_adp)
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cpdef bint can_adv(self, size_t i) except *:
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return lexeme_check_dist_flag(self.lex.at(i), LexDist_adv)
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cpdef bint can_conj(self, size_t i) except *:
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return lexeme_check_dist_flag(self.lex.at(i), LexDist_conj)
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cpdef bint can_det(self, size_t i) except *:
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return lexeme_check_dist_flag(self.lex.at(i), LexDist_det)
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cpdef bint can_noun(self, size_t i) except *:
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return lexeme_check_dist_flag(self.lex.at(i), LexDist_noun)
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cpdef bint can_num(self, size_t i) except *:
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return lexeme_check_dist_flag(self.lex.at(i), LexDist_num)
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cpdef bint can_pdt(self, size_t i) except *:
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return lexeme_check_dist_flag(self.lex.at(i), LexDist_pdt)
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cpdef bint can_pos(self, size_t i) except *:
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return lexeme_check_dist_flag(self.lex.at(i), LexDist_pos)
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cpdef bint can_pron(self, size_t i) except *:
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return lexeme_check_dist_flag(self.lex.at(i), LexDist_pron)
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cpdef bint can_prt(self, size_t i) except *:
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return lexeme_check_dist_flag(self.lex.at(i), LexDist_prt)
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cpdef bint can_punct(self, size_t i) except *:
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return lexeme_check_dist_flag(self.lex.at(i), LexDist_punct)
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cpdef bint can_verb(self, size_t i) except *:
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return lexeme_check_dist_flag(self.lex.at(i), LexDist_verb)
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cpdef bint oft_lower(self, size_t i) except *:
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return lexeme_check_dist_flag(self.lex.at(i), LexDist_lower)
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cpdef bint oft_title(self, size_t i) except *:
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return lexeme_check_dist_flag(self.lex.at(i), LexDist_title)
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cpdef bint oft_upper(self, size_t i) except *:
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return lexeme_check_dist_flag(self.lex.at(i), LexDist_upper)
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