spaCy/spacy/lexeme.pxd

108 lines
3.3 KiB
Cython

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
from numpy cimport ndarray
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)