spaCy/spacy/lexeme.pyx

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2014-09-10 18:41:37 +00:00
from libc.stdlib cimport calloc, free
cdef LexemeC* lexeme_init(unicode string, double prob, size_t cluster,
list views, set flags):
cdef LexemeC* lexeme = <LexemeC*>calloc(1, sizeof(LexemeC))
lexeme.cluster = cluster
lexeme.prob = prob
lexeme.length = len(string)
lexeme.string = intern_and_encode(string)
lexeme.views = <char**>calloc(len(views), sizeof(char*))
for i, string in enumerate(views):
lexeme.views[i] = intern_and_encode(string)
for active_flag in flags:
lexeme.flags |= (1 << active_flag)
return lexeme
cdef int lexeme_free(LexemeC* lexeme) except -1:
free(lexeme.views)
free(lexeme)
cdef set _strings = set()
cdef char* intern_and_encode(unicode string):
global _strings
cdef bytes utf8_string = intern(string.encode('utf8'))
_strings.add(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')