spaCy/spacy/lexeme.pxd
2015-07-08 19:41:20 +02:00

103 lines
2.9 KiB
Cython

from .typedefs cimport hash_t, flags_t, id_t, len_t, tag_t, attr_t, attr_id_t
from .typedefs cimport ID, ORTH, LOWER, NORM, SHAPE, PREFIX, SUFFIX, LENGTH, CLUSTER
from .structs cimport LexemeC
from .strings cimport StringStore
from numpy cimport ndarray
cdef LexemeC EMPTY_LEXEME
cdef int set_lex_struct_props(LexemeC* lex, dict props, StringStore strings,
const float* empty_vec) except -1
cdef class Lexeme:
cdef readonly ndarray repvec
cdef readonly flags_t flags
cdef readonly attr_t id
cdef readonly attr_t length
cdef readonly attr_t orth
cdef readonly attr_t lower
cdef readonly attr_t norm
cdef readonly attr_t shape
cdef readonly attr_t prefix
cdef readonly attr_t suffix
cdef readonly unicode orth_
cdef readonly unicode lower_
cdef readonly unicode norm_
cdef readonly unicode shape_
cdef readonly unicode prefix_
cdef readonly unicode suffix_
cdef readonly attr_t cluster
cdef readonly float prob
cdef readonly float sentiment
cdef readonly float l2_norm
# Workaround for an apparent bug in the way the decorator is handled ---
# TODO: post bug report / patch to Cython.
@staticmethod
cdef inline Lexeme from_ptr(const LexemeC* ptr, StringStore strings, int repvec_length):
cdef Lexeme py = Lexeme.__new__(Lexeme, repvec_length)
for i in range(repvec_length):
py.repvec[i] = ptr.repvec[i]
py.l2_norm = ptr.l2_norm
py.flags = ptr.flags
py.id = ptr.id
py.length = ptr.length
py.orth = ptr.orth
py.lower = ptr.lower
py.norm = ptr.norm
py.shape = ptr.shape
py.prefix = ptr.prefix
py.suffix = ptr.suffix
py.orth_ = strings[ptr.orth]
py.lower_ = strings[ptr.lower]
py.norm_ = strings[ptr.norm]
py.shape_ = strings[ptr.shape]
py.prefix_ = strings[ptr.prefix]
py.suffix_ = strings[ptr.suffix]
py.cluster = ptr.cluster
py.prob = ptr.prob
py.sentiment = ptr.sentiment
return py
cpdef bint check(self, attr_id_t flag_id) except -1
cdef inline bint check_flag(const LexemeC* lexeme, attr_id_t flag_id) nogil:
return lexeme.flags & (1 << flag_id)
cdef inline attr_t get_attr(const LexemeC* lex, attr_id_t feat_name) nogil:
if feat_name < (sizeof(flags_t) * 8):
return check_flag(lex, feat_name)
elif feat_name == ID:
return lex.id
elif feat_name == ORTH:
return lex.orth
elif feat_name == LOWER:
return lex.norm
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
else:
return 0