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diff --git a/xsd-examples/cxx/tree/custom/mixed/README b/xsd-examples/cxx/tree/custom/mixed/README new file mode 100644 index 0000000..8f7bd13 --- /dev/null +++ b/xsd-examples/cxx/tree/custom/mixed/README @@ -0,0 +1,68 @@ +This example shows how to use type customization to parse and serialize +mixed content. The example achieves this by customizing the type with +the mixed content model to include a DOM document that stores the data +as a raw XML representation. The customized type also provides its own +parsing constructor and serialization operator where the mixed content +is extracted from and inserted back to DOM, respectively. The use of +DOM for mixed content storage is one of the options. You may find other +data structures (e.g., a string) more suitable depending on your situation. + +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: + +people.xsd + XML Schema definition for a simple person record vocabulary. Each + record includes the bio element which represents arbitrary XHTML + fragments as mixed content. + +people.xml + Sample XML instance document. + +people.hxx +people.ixx +people.cxx + C++ types that represent the given vocabulary, a set of parsing + functions that convert XML instance documents to a tree-like in-memory + object model, and a set of serialization functions that convert the + object model back to XML. + + These files are generated by the XSD compiler from people.xsd using the + following command line: + + xsd cxx-tree --generate-serialization --custom-type bio=/bio_base \ + --hxx-epilogue '#include "people-custom.hxx"' people.xsd + + The --custom-type option is used to customize the bio type. + +people-custom.hxx + Header file which defines our own bio class by inheriting from the + generated bio_base. It is included at the end of people.hxx using + the --hxx-epilogue option. + +people-custom.cxx + Source file which contains the implementation of our bio 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 data to STDERR, including the bio information converted to text. + Finally, the driver serializes the object model back to XML. + +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++ -DXSD_CXX11 -c people.cxx +c++ -DXSD_CXX11 -c people-custom.cxx +c++ -DXSD_CXX11 -c driver.cxx +c++ -o driver driver.o people.o people-custom.o -lxerces-c + +Note that we need to define the XSD_CXX11 preprocessor macro since the +source code includes libxsd headers directly. + +To run the example on the sample XML instance document execute: + +./driver people.xml |