"""
Created on 2013.10.15

@author: Giovanni Cannata

Copyright 2013 Giovanni Cannata

This file is part of python3-ldap.

python3-ldap is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published
by the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

python3-ldap 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 Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License
along with python3-ldap in the COPYING and COPYING.LESSER files.
If not, see <http://www.gnu.org/licenses/>.
"""

from pyasn1.type.univ import OctetString, Integer, Sequence
from pyasn1.type.namedtype import NamedTypes, NamedType
from pyasn1.type.constraint import ValueRangeConstraint


# constants
# maxInt INTEGER ::= 2147483647 -- (2^^31 - 1) --

MAXINT = Integer(2147483647)

# constraints
rangeInt0ToMaxConstraint = ValueRangeConstraint(0, MAXINT)


class Integer0ToMax(Integer):
    subtypeSpec = Integer.subtypeSpec + rangeInt0ToMaxConstraint


class Size(Integer0ToMax):
    """
    Size INTEGER (0..maxInt)
    """
    pass


class Cookie(OctetString):
    """
    cookie          OCTET STRING
    """
    pass


class RealSearchControlValue(Sequence):
    """
    realSearchControlValue ::= SEQUENCE {
        size            INTEGER (0..maxInt),
                                -- requested page size from client
                                -- result set size estimate from server
        cookie          OCTET STRING
    """

    componentType = NamedTypes(NamedType('size', Size()),
                               NamedType('cookie', Cookie()))
