from libc.stdint cimport int64_t

from cymem.cymem cimport Pool
from preshed.maps cimport PreshMap
from murmurhash.mrmr cimport hash64

from .typedefs cimport attr_t, hash_t


cpdef hash_t hash_string(unicode string) except 0


ctypedef union Utf8Str:
    unsigned char[8] s
    unsigned char* p


cdef class StringStore:
    cdef Pool mem
    cdef Utf8Str* c
    cdef int64_t size

    cdef public PreshMap _map
    cdef int64_t _resize_at

    cdef const Utf8Str* intern(self, unicode py_string) except NULL
    cdef const Utf8Str* _intern_utf8(self, char* utf8_string, int length) except NULL