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Diffstat (limited to 'xsd/examples/cxx/tree/xpath/dom-parse.cxx')
-rw-r--r-- | xsd/examples/cxx/tree/xpath/dom-parse.cxx | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/xsd/examples/cxx/tree/xpath/dom-parse.cxx b/xsd/examples/cxx/tree/xpath/dom-parse.cxx new file mode 100644 index 0000000..82e87b6 --- /dev/null +++ b/xsd/examples/cxx/tree/xpath/dom-parse.cxx @@ -0,0 +1,120 @@ +// file : examples/cxx/tree/xpath/dom-parse.cxx +// author : Boris Kolpackov <boris@codesynthesis.com> +// copyright : not copyrighted - public domain + +#include "dom-parse.hxx" + +#include <istream> + +#include <xercesc/dom/DOM.hpp> +#include <xercesc/framework/Wrapper4InputSource.hpp> + +#include <xsd/cxx/xml/sax/std-input-source.hxx> +#include <xsd/cxx/xml/dom/bits/error-handler-proxy.hxx> + +#include <xsd/cxx/tree/exceptions.hxx> +#include <xsd/cxx/tree/error-handler.hxx> + +using namespace xercesc; +namespace xml = xsd::cxx::xml; +namespace tree = xsd::cxx::tree; + +xml::dom::auto_ptr<DOMDocument> +parse (std::istream& is, + const std::string& id, + bool validate, + DOMImplementation* impl) +{ +#if _XERCES_VERSION >= 30000 + + // Xerces-C++ 3.0.0 and later. + // + xml::dom::auto_ptr<DOMLSParser> parser ( + impl->createLSParser (DOMImplementationLS::MODE_SYNCHRONOUS, 0)); + + DOMConfiguration* conf (parser->getDomConfig ()); + + // Discard comment nodes in the document. + // + conf->setParameter (XMLUni::fgDOMComments, false); + + // Enable datatype normalization. + // + conf->setParameter (XMLUni::fgDOMDatatypeNormalization, true); + + // Do not create EntityReference nodes in the DOM tree. No + // EntityReference nodes will be created, only the nodes + // corresponding to their fully expanded substitution text + // will be created. + // + conf->setParameter (XMLUni::fgDOMEntities, false); + + // Perform namespace processing. + // + conf->setParameter (XMLUni::fgDOMNamespaces, true); + + // Do not include ignorable whitespace in the DOM tree. + // + conf->setParameter (XMLUni::fgDOMElementContentWhitespace, false); + + // Enable/Disable validation. + // + conf->setParameter (XMLUni::fgDOMValidate, validate); + conf->setParameter (XMLUni::fgXercesSchema, validate); + conf->setParameter (XMLUni::fgXercesSchemaFullChecking, false); + + // Xerces-C++ 3.1.0 is the first version with working multi import + // support. + // +#if _XERCES_VERSION >= 30100 + conf->setParameter (XMLUni::fgXercesHandleMultipleImports, true); +#endif + + // We will release the DOM document ourselves. + // + conf->setParameter (XMLUni::fgXercesUserAdoptsDOMDocument, true); + + // Set error handler. + // + tree::error_handler<char> eh; + xml::dom::bits::error_handler_proxy<char> ehp (eh); + conf->setParameter (XMLUni::fgDOMErrorHandler, &ehp); + +#else // _XERCES_VERSION >= 30000 + + // Same as above but for Xerces-C++ 2 series. + // + xml::dom::auto_ptr<DOMBuilder> parser ( + impl->createDOMBuilder (DOMImplementationLS::MODE_SYNCHRONOUS, 0)); + + parser->setFeature (XMLUni::fgDOMComments, false); + parser->setFeature (XMLUni::fgDOMDatatypeNormalization, true); + parser->setFeature (XMLUni::fgDOMEntities, false); + parser->setFeature (XMLUni::fgDOMNamespaces, true); + parser->setFeature (XMLUni::fgDOMWhitespaceInElementContent, false); + parser->setFeature (XMLUni::fgDOMValidation, validate); + parser->setFeature (XMLUni::fgXercesSchema, validate); + parser->setFeature (XMLUni::fgXercesSchemaFullChecking, false); + parser->setFeature (XMLUni::fgXercesUserAdoptsDOMDocument, true); + + tree::error_handler<char> eh; + xml::dom::bits::error_handler_proxy<char> ehp (eh); + parser->setErrorHandler (&ehp); + +#endif // _XERCES_VERSION >= 30000 + + // Prepare input stream. + // + xml::sax::std_input_source isrc (is, id); + Wrapper4InputSource wrap (&isrc, false); + +#if _XERCES_VERSION >= 30000 + xml::dom::auto_ptr<DOMDocument> doc (parser->parse (&wrap)); +#else + xml::dom::auto_ptr<DOMDocument> doc (parser->parse (wrap)); +#endif + + eh.throw_if_failed<tree::parsing<char> > (); + + return doc; +} |