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This example shows how to parse XML vocabularies with multiple root
elements using the Embedded C++/Hybrid mapping.
The example consists of the following files:
protocol.xsd
XML Schema which defines a simple bank account protocol with
requests such as withdraw and deposit.
balance.xml
withdraw.xml
deposit.xml
Sample XML instances for the protocol requests.
protocol.hxx
protocol.cxx
protocol-pskel.hxx
protocol-pskel.cxx
protocol-pimpl.hxx
protocol-pimpl.cxx
Object model (the first pair of files), parser skeletons (the
second pair) and parser implementations (the third pair). These
files are generated by the XSD/e compiler from protocol.xsd. The
--generate-parser and --generate-aggregate options were used to
request the generation of the parsing code.
driver.cxx
Driver for the example. It implements a custom document parser
that determines which request is being parsed and uses the
corresponding parser implementation. The document parser
intentionally does not support the deposit request to show how
to handle unknown documents. The driver first calls the parser
that constructs the object model from the input XML file. It
then prints the content of the object model to STDERR.
To run the example on the sample XML request documents simply
execute:
$ ./driver balance.xml
$ ./driver withdraw.xml
$ ./driver deposit.xml
The example reads from STDIN if input file is not specified:
$ ./driver <balance.xml
$ ./driver <withdraw.xml
$ ./driver <deposit.xml
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