spaCy/spacy/lexeme.pxd

107 lines
3.3 KiB
Cython

from numpy cimport ndarray
from .typedefs cimport attr_t, hash_t, flags_t, len_t, tag_t
from .attrs cimport attr_id_t
from .attrs cimport ID, ORTH, LOWER, NORM, SHAPE, PREFIX, SUFFIX, LENGTH, CLUSTER, LANG
from .structs cimport LexemeC, SerializedLexemeC
from .strings cimport StringStore
from .vocab cimport Vocab
cdef LexemeC EMPTY_LEXEME
cdef class Lexeme:
cdef LexemeC* c
cdef readonly Vocab vocab
cdef readonly attr_t orth
@staticmethod
cdef inline Lexeme from_ptr(LexemeC* lex, Vocab vocab, int vector_length):
cdef Lexeme self = Lexeme.__new__(Lexeme, vocab, lex.orth)
self.c = lex
self.vocab = vocab
self.orth = lex.orth
@staticmethod
cdef inline SerializedLexemeC c_to_bytes(const LexemeC* lex) nogil:
cdef SerializedLexemeC lex_data
buff = <const unsigned char*>&lex.flags
end = <const unsigned char*>&lex.sentiment + sizeof(lex.sentiment)
for i in range(sizeof(lex_data.data)):
lex_data.data[i] = buff[i]
return lex_data
@staticmethod
cdef inline void c_from_bytes(LexemeC* lex, SerializedLexemeC lex_data) nogil:
buff = <unsigned char*>&lex.flags
end = <unsigned char*>&lex.sentiment + sizeof(lex.sentiment)
for i in range(sizeof(lex_data.data)):
buff[i] = lex_data.data[i]
@staticmethod
cdef inline void set_struct_attr(LexemeC* lex, attr_id_t name, attr_t value) nogil:
if name < (sizeof(flags_t) * 8):
Lexeme.c_set_flag(lex, name, value)
elif name == ID:
lex.id = value
elif name == LOWER:
lex.lower = value
elif name == NORM:
lex.norm = value
elif name == SHAPE:
lex.shape = value
elif name == PREFIX:
lex.prefix = value
elif name == SUFFIX:
lex.suffix = value
elif name == CLUSTER:
lex.cluster = value
elif name == LANG:
lex.lang = value
@staticmethod
cdef inline attr_t get_struct_attr(const LexemeC* lex, attr_id_t feat_name) nogil:
if feat_name < (sizeof(flags_t) * 8):
if Lexeme.c_check_flag(lex, feat_name):
return 1
else:
return 0
elif feat_name == ID:
return lex.id
elif feat_name == ORTH:
return lex.orth
elif feat_name == LOWER:
return lex.lower
elif feat_name == NORM:
return lex.norm
elif feat_name == SHAPE:
return lex.shape
elif feat_name == PREFIX:
return lex.prefix
elif feat_name == SUFFIX:
return lex.suffix
elif feat_name == LENGTH:
return lex.length
elif feat_name == CLUSTER:
return lex.cluster
elif feat_name == LANG:
return lex.lang
else:
return 0
@staticmethod
cdef inline bint c_check_flag(const LexemeC* lexeme, attr_id_t flag_id) nogil:
cdef flags_t one = 1
if lexeme.flags & (one << flag_id):
return True
else:
return False
@staticmethod
cdef inline bint c_set_flag(LexemeC* lex, attr_id_t flag_id, bint value) nogil:
cdef flags_t one = 1
if value:
lex.flags |= one << flag_id
else:
lex.flags &= ~(one << flag_id)