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This example shows how to handle XML Schema polymorphism features such
as xsi:type attributes and substitution groups in the C++/Parser mapping.
The case when xsi:type is used on root elements is covered in the
polyroot examples.
The example consists of the following files:
supermen.xsd
XML Schema which describes the "supermen" instance documents.
supermen.xml
Sample XML instance document.
supermen-pskel.hxx
supermen-pskel.cxx
Parser skeletons generated by the XSD compiler from supermen.xsd using
the following command line:
xsd cxx-parser --generate-polymorphic supermen.xsd
Or if using Expat instead of Xerces-C++ as the underlying XML parser:
xsd cxx-parser --xml-parser=expat --generate-polymorphic supermen.xsd
Note the use of the --generate-polymorphic command line option.
supermen-pimpl.hxx
supermen-pimpl.cxx
Parser implementations that print the XML data to STDOUT.
driver.cxx
Driver for the example. It first constructs a parser instance from
all the individual parsers found in supermen-pimpl.hxx. It then invokes
this parser instance to parse the input file.
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 supermen-pskel.cxx
c++ -c supermen-pimpl.cxx
c++ -c driver.cxx
c++ -o driver driver.o supermen-pskel.o supermen-pimpl.o -lxerces-c
Or if using Expat as the underlying XML parser:
c++ -o driver driver.o supermen-pskel.o supermen-pimpl.o -lexpat
To run the example on the sample XML instance document execute:
./driver supermen.xml
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