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Name	Size	Permission
__init__.py	59 B	-rw-r--r--
base.py	21.53 KB	-rw-r--r--
char.py	9.22 KB	-rw-r--r--
constraint.py	21.4 KB	-rw-r--r--
error.py	259 B	-rw-r--r--
namedtype.py	15.8 KB	-rw-r--r--
namedval.py	4.78 KB	-rw-r--r--
opentype.py	2.79 KB	-rw-r--r--
tag.py	9.27 KB	-rw-r--r--
tagmap.py	2.93 KB	-rw-r--r--
univ.py	106.65 KB	-rw-r--r--
useful.py	5.16 KB	-rw-r--r--

Code Editor : opentype.py

#
# This file is part of pyasn1 software.
#
# Copyright (c) 2005-2020, Ilya Etingof <etingof@gmail.com>
# License: https://pyasn1.readthedocs.io/en/latest/license.html
#

__all__ = ['OpenType']

class OpenType(object):
    """Create ASN.1 type map indexed by a value

The *OpenType* object models an untyped field of a constructed ASN.1
    type. In ASN.1 syntax it is usually represented by the
    `ANY DEFINED BY` for scalars or `SET OF ANY DEFINED BY`,
    `SEQUENCE OF ANY DEFINED BY` for container types clauses. Typically
    used together with :class:`~pyasn1.type.univ.Any` object.

OpenType objects duck-type a read-only Python :class:`dict` objects,
    however the passed `typeMap` is not copied, but stored by reference.
    That means the user can manipulate `typeMap` at run time having this
    reflected on *OpenType* object behavior.

The |OpenType| class models an untyped field of a constructed ASN.1
    type. In ASN.1 syntax it is usually represented by the
    `ANY DEFINED BY` for scalars or `SET OF ANY DEFINED BY`,
    `SEQUENCE OF ANY DEFINED BY` for container types clauses. Typically
    used with :class:`~pyasn1.type.univ.Any` type.

Parameters
    ----------
    name: :py:class:`str`
        Field name

typeMap: :py:class:`dict`
        A map of value->ASN.1 type. It's stored by reference and can be
        mutated later to register new mappings.

Examples
    --------

For untyped scalars:

.. code-block:: python

openType = OpenType(
            'id', {1: Integer(),
                   2: OctetString()}
        )
        Sequence(
            componentType=NamedTypes(
                NamedType('id', Integer()),
                NamedType('blob', Any(), openType=openType)
            )
        )

For untyped `SET OF` or `SEQUENCE OF` vectors:

.. code-block:: python

openType = OpenType(
            'id', {1: Integer(),
                   2: OctetString()}
        )
        Sequence(
            componentType=NamedTypes(
                NamedType('id', Integer()),
                NamedType('blob', SetOf(componentType=Any()),
                          openType=openType)
            )
        )
    """

def __init__(self, name, typeMap=None):
        self.__name = name
        if typeMap is None:
            self.__typeMap = {}
        else:
            self.__typeMap = typeMap

@property
    def name(self):
        return self.__name

# Python dict protocol

def values(self):
        return self.__typeMap.values()

def keys(self):
        return self.__typeMap.keys()

def items(self):
        return self.__typeMap.items()

def __contains__(self, key):
        return key in self.__typeMap

def __getitem__(self, key):
        return self.__typeMap[key]

def __iter__(self):
        return iter(self.__typeMap)

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Code Editor : opentype.py