examples/cxx/hybrid/binary/custom/driver.cxx


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// file      : examples/cxx/hybrid/binary/custom/driver.cxx
// copyright : not copyrighted - public domain

#include <memory>    // std::auto_ptr
#include <iostream>

#include "orawstream.hxx"
#include "irawstream.hxx"

#include "library.hxx"
#include "library-pimpl.hxx"
#include "library-simpl.hxx"

using std::cerr;
using std::endl;

int
main (int argc, char* argv[])
{
  const char* input;

  if (argc < 2)
  {
    input = "STDIN";
    cerr << "XML file not specified, reading from STDIN" << endl;
  }
  else
    input = argv[1];

  try
  {
    using namespace library;

    // Parse.
    //
    catalog_paggr catalog_p;

    xml_schema::document_pimpl doc_p (
      catalog_p.root_parser (),
      catalog_p.root_namespace (),
      catalog_p.root_name ());

    catalog_p.pre ();

    if (argc < 2)
      doc_p.parse (std::cin);
    else
      doc_p.parse (argv[1]);

    std::auto_ptr<catalog> c (catalog_p.post ());

    // Save the object model to a RAW stream.
    //
    xml_schema::buffer buf;
    orawstream oraw (buf);
    oraw << *c;

    cerr << "binary representation size: " << buf.size () << endl
         << endl;

    // Load the object model from a RAW stream.
    //
    irawstream iraw (buf);
    std::auto_ptr<catalog> copy (new catalog);
    iraw >> *copy;

    // Serialize the copy back to XML.
    //
    catalog_saggr catalog_s;

    xml_schema::document_simpl doc_s (
      catalog_s.root_serializer (),
      catalog_s.root_namespace (),
      catalog_s.root_name ());

    doc_s.add_prefix ("lib", "http://www.codesynthesis.com/library");
    doc_s.add_schema ("http://www.codesynthesis.com/library", "library.xsd");

    catalog_s.pre (*copy);
    doc_s.serialize (std::cout, xml_schema::document_simpl::pretty_print);
    catalog_s.post ();
  }
  catch (const raw_exception&)
  {
    cerr << "RAW stream operation failed" << endl;
    return 1;
  }
  catch (const xml_schema::parser_exception& e)
  {
    cerr << input << ":" << e.line () << ":" << e.column () << ": "
         << e.text () << endl;
    return 1;
  }
  catch (const xml_schema::serializer_exception& e)
  {
    cerr << "error: " << e.text () << endl;
    return 1;
  }
  catch (const std::ios_base::failure&)
  {
    cerr << input << ": unable to open or read/write failure" << endl;
    return 1;
  }

  return 0;
}