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This example shows how to map a user-defined XML Schema type to a custom
C++ class. It presents the simple case where the customized type is not
used as a base in the same schema. For the complex case see the taxonomy
example. For more information on the C++/Tree mapping customization see
the C++/Tree Mapping Customization Guide[1].
[1] http://wiki.codesynthesis.com/Tree/Customization_guide
The example consists of the following files:
contacts.xsd
XML Schema definition for a simple contacts database.
contacts.xml
Sample XML instance document.
contacts.hxx
contacts.ixx
contacts.cxx
C++ types that represent the given vocabulary and a set of parsing
functions that convert XML instance documents to a tree-like in-memory
object model.
These files are generated by the XSD compiler from contacts.xsd using the
following command line:
xsd cxx-tree --custom-type contact=/contact_base \
--hxx-epilogue '#include "contacts-custom.hxx"' contacts.xsd
The --custom-type option is used to customize the contact type.
contacts-custom.hxx
Header file which defines our own contact class by inheriting from the
generated contact_base. It is included at the end of contacts.hxx using
the --hxx-epilogue option.
contacts-custom.cxx
Source file which contains the implementation of our contact class.
driver.cxx
Driver for the example. It first calls one of the parsing functions
that constructs the object model from the input file. It then prints
the contacts to STDERR.
To compile and link the example manually from the command line we can use
the following commands (replace 'c++' with your C++ compiler name):
c++ -c contacts.cxx
c++ -c contacts-custom.cxx
c++ -c driver.cxx
c++ -o driver driver.o contacts.o contacts-custom.o -lxerces-c
To run the example on the sample XML instance document execute:
./driver contacts.xml
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