Chapter 18: Redefining and overriding schema components
=======================================================

Example 18-1 A simple redefinition
----------------------------------

.. literalinclude:: /../tests/fixtures/defxmlschema/chapter18/example18011.xsd
   :language: xml
   :lines: 3-

.. literalinclude:: /../tests/fixtures/defxmlschema/chapter18/example18011.py
   :language: python

Example 18-1.2 A simple redefinition
------------------------------------

.. literalinclude:: /../tests/fixtures/defxmlschema/chapter18/example18012.xsd
   :language: xml
   :lines: 3-

.. warning::

    Unsupported feature!


Example 18-10 Overriding a complex type
---------------------------------------

.. literalinclude:: /../tests/fixtures/defxmlschema/chapter18/example18101.xsd
   :language: xml
   :lines: 3-

.. literalinclude:: /../tests/fixtures/defxmlschema/chapter18/example18101.py
   :language: python

Example 18-10.2 Overriding a complex type
-----------------------------------------

.. literalinclude:: /../tests/fixtures/defxmlschema/chapter18/example18102.xsd
   :language: xml
   :lines: 3-

.. warning::

    XML Schema 1.1


Example 18-11 Overriding element and attribute declarations
-----------------------------------------------------------

.. literalinclude:: /../tests/fixtures/defxmlschema/chapter18/example18111.xsd
   :language: xml
   :lines: 3-

.. literalinclude:: /../tests/fixtures/defxmlschema/chapter18/example18111.py
   :language: python

Example 18-11.2 Overriding element and attribute declarations
-------------------------------------------------------------

.. literalinclude:: /../tests/fixtures/defxmlschema/chapter18/example18112.xsd
   :language: xml
   :lines: 3-

.. warning::

    XML Schema 1.1


Example 18-12 Overriding named groups
-------------------------------------

.. literalinclude:: /../tests/fixtures/defxmlschema/chapter18/example18121.xsd
   :language: xml
   :lines: 3-

.. warning::

    Illegal definition


Example 18-12.2 Overriding named groups
---------------------------------------

.. literalinclude:: /../tests/fixtures/defxmlschema/chapter18/example18122.xsd
   :language: xml
   :lines: 3-

.. warning::

    XML Schema 1.1


Example 18-13 Risks of overriding types
---------------------------------------

.. literalinclude:: /../tests/fixtures/defxmlschema/chapter18/example18131.xsd
   :language: xml
   :lines: 3-

.. literalinclude:: /../tests/fixtures/defxmlschema/chapter18/example18131.py
   :language: python

Example 18-13.2 Risks of overriding types
-----------------------------------------

.. literalinclude:: /../tests/fixtures/defxmlschema/chapter18/example18132.xsd
   :language: xml
   :lines: 3-

.. warning::

    XML Schema 1.1


Example 18-2 Redefining a simple type
-------------------------------------

.. literalinclude:: /../tests/fixtures/defxmlschema/chapter18/example18021.xsd
   :language: xml
   :lines: 3-

.. literalinclude:: /../tests/fixtures/defxmlschema/chapter18/example18021.py
   :language: python

Example 18-2.2 Redefining a simple type
---------------------------------------

.. literalinclude:: /../tests/fixtures/defxmlschema/chapter18/example18022.xsd
   :language: xml
   :lines: 3-

.. warning::

    Unsupported feature!


Example 18-3 Redefining a complex type
--------------------------------------

.. literalinclude:: /../tests/fixtures/defxmlschema/chapter18/example18031.xsd
   :language: xml
   :lines: 3-

.. literalinclude:: /../tests/fixtures/defxmlschema/chapter18/example18031.py
   :language: python

Example 18-3.2 Redefining a complex type
----------------------------------------

.. literalinclude:: /../tests/fixtures/defxmlschema/chapter18/example18032.xsd
   :language: xml
   :lines: 3-

.. warning::

    Illegal definition


Example 18-4 Redefining a named model group as a subset
-------------------------------------------------------

.. literalinclude:: /../tests/fixtures/defxmlschema/chapter18/example18041.xsd
   :language: xml
   :lines: 3-

.. warning::

    Illegal definition


Example 18-4.2 Redefining a named model group as a subset
---------------------------------------------------------

.. literalinclude:: /../tests/fixtures/defxmlschema/chapter18/example18042.xsd
   :language: xml
   :lines: 3-

.. warning::

    Illegal definition


Example 18-5 Redefining a named model group as a superset
---------------------------------------------------------

.. literalinclude:: /../tests/fixtures/defxmlschema/chapter18/example18051.xsd
   :language: xml
   :lines: 3-

.. warning::

    Illegal definition


Example 18-5.2 Redefining a named model group as a superset
-----------------------------------------------------------

.. literalinclude:: /../tests/fixtures/defxmlschema/chapter18/example18052.xsd
   :language: xml
   :lines: 3-

.. warning::

    Illegal definition


Example 18-6 Redefining an attribute group as a subset
------------------------------------------------------

.. literalinclude:: /../tests/fixtures/defxmlschema/chapter18/example18061.xsd
   :language: xml
   :lines: 3-

.. warning::

    Illegal definition


Example 18-6.2 Redefining an attribute group as a subset
--------------------------------------------------------

.. literalinclude:: /../tests/fixtures/defxmlschema/chapter18/example18062.xsd
   :language: xml
   :lines: 3-

.. warning::

    Illegal definition


Example 18-7 Redefining an attribute group as a superset
--------------------------------------------------------

.. literalinclude:: /../tests/fixtures/defxmlschema/chapter18/example18071.xsd
   :language: xml
   :lines: 3-

.. warning::

    Illegal definition


Example 18-7.2 Redefining an attribute group as a superset
----------------------------------------------------------

.. literalinclude:: /../tests/fixtures/defxmlschema/chapter18/example18072.xsd
   :language: xml
   :lines: 3-

.. warning::

    Illegal definition


Example 18-8 A simple override
------------------------------

.. literalinclude:: /../tests/fixtures/defxmlschema/chapter18/example18081.xsd
   :language: xml
   :lines: 3-

.. literalinclude:: /../tests/fixtures/defxmlschema/chapter18/example18081.py
   :language: python

Example 18-8.2 A simple override
--------------------------------

.. literalinclude:: /../tests/fixtures/defxmlschema/chapter18/example18082.xsd
   :language: xml
   :lines: 3-

.. warning::

    XML Schema 1.1


Example 18-9 Overriding a simple type
-------------------------------------

.. literalinclude:: /../tests/fixtures/defxmlschema/chapter18/example18091.xsd
   :language: xml
   :lines: 3-

.. literalinclude:: /../tests/fixtures/defxmlschema/chapter18/example18091.py
   :language: python

Example 18-9.2 Overriding a simple type
---------------------------------------

.. literalinclude:: /../tests/fixtures/defxmlschema/chapter18/example18092.xsd
   :language: xml
   :lines: 3-

.. warning::

    XML Schema 1.1


.. admonition:: Samples Source
    :class: hint

    `Definitive XML Schema <http://www.datypic.com/books/defxmlschema/>`_ by Priscilla Walmsley (c) 2012 Prentice Hall PTR