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41 lines
1.1 KiB
Cython
41 lines
1.1 KiB
Cython
from libc.stdlib cimport calloc, free
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cdef LexemeC* lexeme_init(unicode string, double prob, size_t cluster,
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list views, set flags):
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cdef LexemeC* lexeme = <LexemeC*>calloc(1, sizeof(LexemeC))
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lexeme.cluster = cluster
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lexeme.prob = prob
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lexeme.length = len(string)
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lexeme.string = intern_and_encode(string)
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lexeme.views = <char**>calloc(len(views), sizeof(char*))
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for i, string in enumerate(views):
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lexeme.views[i] = intern_and_encode(string)
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for active_flag in flags:
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lexeme.flags |= (1 << active_flag)
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return lexeme
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cdef int lexeme_free(LexemeC* lexeme) except -1:
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free(lexeme.views)
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free(lexeme)
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cdef set _strings = set()
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cdef char* intern_and_encode(unicode string):
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global _strings
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cdef bytes utf8_string = intern(string.encode('utf8'))
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_strings.add(utf8_string)
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return <char*>utf8_string
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cdef bint lexeme_check_flag(LexemeC* lexeme, size_t flag_id):
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return lexeme.flags & (1 << flag_id)
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cdef unicode lexeme_string_view(LexemeC* lexeme, size_t view_id):
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cdef bytes byte_string = lexeme.views[view_id]
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return byte_string.decode('utf8')
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