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# Copyright (C) 2009 Canonical Ltd
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
"""Interface definition of a class to intern StaticTuple objects."""
cdef extern from "python-compat.h":
ctypedef long Py_ssize_t
cdef extern from "Python.h":
ctypedef struct PyObject:
pass
cdef public api class StaticTupleInterner [object StaticTupleInternerObject,
type StaticTupleInterner_type]:
cdef readonly Py_ssize_t used # active
cdef readonly Py_ssize_t fill # active + dummy
cdef readonly Py_ssize_t mask # Table contains (mask+1) slots, a power
# of 2
cdef PyObject **table # Pyrex/Cython doesn't support arrays to 'object'
# so we manage it manually
cdef PyObject *_get(self, object key) except? NULL
cpdef object add(self, key)
cpdef int discard(self, key) except -1
cdef int _insert_clean(self, PyObject *key) except -1
cpdef Py_ssize_t _resize(self, Py_ssize_t min_unused) except -1
# TODO: might want to export the C api here, though it is all available from
# the class object...
cdef api object StaticTupleInterner_Add(object self, object key)
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