spaCy/spacy/lexeme.pyx

36 lines
1.1 KiB
Cython

from cpython.ref cimport Py_INCREF
from cymem.cymem cimport Pool
cdef LexemeC* lexeme_init(Pool mem, unicode string, double prob, size_t cluster,
list views, set flags):
cdef LexemeC* lexeme = <LexemeC*>mem.alloc(1, sizeof(LexemeC))
lexeme.cluster = cluster
lexeme.prob = prob
lexeme.string = intern_and_encode(string, &lexeme.length)
lexeme.views = <char**>mem.alloc(len(views), sizeof(char*))
cdef size_t length = 0
for i, string in enumerate(views):
lexeme.views[i] = intern_and_encode(string, &length)
for active_flag in flags:
lexeme.flags |= (1 << active_flag)
return lexeme
cdef char* intern_and_encode(unicode string, size_t* length):
cdef bytes byte_string = string.encode('utf8')
cdef bytes utf8_string = intern(byte_string)
Py_INCREF(utf8_string)
length[0] = len(utf8_string)
return <char*>utf8_string
cdef bint lexeme_check_flag(LexemeC* lexeme, size_t flag_id):
return lexeme.flags & (1 << flag_id)
cdef unicode lexeme_string_view(LexemeC* lexeme, size_t view_id):
cdef bytes byte_string = lexeme.views[view_id]
return byte_string.decode('utf8')