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Diffstat (limited to 'examples/cxx/serializer/polymorphism/driver.cxx')
-rw-r--r-- | examples/cxx/serializer/polymorphism/driver.cxx | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/examples/cxx/serializer/polymorphism/driver.cxx b/examples/cxx/serializer/polymorphism/driver.cxx new file mode 100644 index 0000000..3015133 --- /dev/null +++ b/examples/cxx/serializer/polymorphism/driver.cxx @@ -0,0 +1,120 @@ +// file : examples/cxx/serializer/polymorphism/driver.cxx +// author : Boris Kolpackov <boris@codesynthesis.com> +// copyright : not copyrighted - public domain + +#include <iostream> + +#include "supermen.hxx" + +#include "supermen-sskel.hxx" // Get the configuration macros (XSDE_*). + +#if defined(XSDE_REUSE_STYLE_MIXIN) +# include "supermen-simpl-mixin.hxx" +#elif defined(XSDE_REUSE_STYLE_TIEIN) +# include "supermen-simpl-tiein.hxx" +#else +# error this example requires mixin or tiein serializer reuse support +#endif + +using std::cerr; +using std::endl; + +int +main () +{ + // Check that the load in substitution and inheritance hashmaps + // is not too high. + // +#ifndef NDEBUG + float load = (float) xml_schema::serializer_smap_elements (); + load /= xml_schema::serializer_smap_buckets (); + + if (load > 0.8) + { + cerr << "substitution hashmap load is " << load << endl; + cerr << "time to increase XSDE_SERIALIZER_SMAP_BUCKETS" << endl; + } + + load = (float) xml_schema::serializer_smap_bucket_elements (); + load /= xml_schema::serializer_smap_bucket_buckets (); + + if (load > 0.8) + { + cerr << "substitution inner hashmap load is " << load << endl; + cerr << "time to increase XSDE_SERIALIZER_SMAP_BUCKET_BUCKETS" << endl; + } + +#ifdef XSDE_SERIALIZER_VALIDATION + load = (float) xml_schema::serializer_imap_elements (); + load /= xml_schema::serializer_imap_buckets (); + + if (load > 0.8) + { + cerr << "inheritance hashmap load is " << load << endl; + cerr << "time to increase XSDE_SERIALIZER_IMAP_BUCKETS" << endl; + } +#endif +#endif + + try + { + // Create a sample supermen catalog. To keep things simple the + // following code is not exception-safe. + // + supermen sm; + + sm.push_back (new person ("John Doe")); + sm.push_back (new superman ("James 007 Bond", false)); + sm.push_back (new batman ("Bruce Wayne", 10)); + + // Construct the serializer. + // + xml_schema::string_simpl string_s; + xml_schema::boolean_simpl boolean_s; + xml_schema::unsigned_int_simpl unsigned_int_s; + + person_simpl person_s; + superman_simpl superman_s; + batman_simpl batman_s; + + xml_schema::serializer_map_impl person_map (5); // 5 hashtable buckets + supermen_simpl supermen_s; + + person_s.serializers (string_s); + superman_s.serializers (string_s, boolean_s); + batman_s.serializers (string_s, boolean_s, unsigned_int_s); + + // Here we are specifying several serializers that can be + // used to serialize the person element. + // + person_map.insert (person_s); + person_map.insert (superman_s); + person_map.insert (batman_s); + + supermen_s.person_serializer (person_map); + + // Create the XML instance document. The last argument to the + // document's constructor indicates that we are serializing + // polymorphic XML documents. + // + xml_schema::document_simpl doc_s (supermen_s, "supermen", true); + + doc_s.add_no_namespace_schema ("supermen.xsd"); + + supermen_s.pre (sm); + doc_s.serialize (std::cout); + supermen_s.post (); + } + catch (const xml_schema::serializer_exception& e) + { + cerr << "error: " << e.text () << endl; + return 1; + } + catch (const std::ios_base::failure&) + { + cerr << "error: write failure" << endl; + return 1; + } + + return 0; +} |