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// file : examples/cxx/hybrid/filter/driver.cxx
// author : Boris Kolpackov <boris@codesynthesis.com>
// copyright : not copyrighted - public domain
#include <memory> // std::auto_ptr
#include <iostream>
#include "people.hxx"
#include "people-pimpl.hxx"
#include "people-simpl.hxx"
using namespace std;
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
{
// Parse.
//
people_paggr people_p;
people_pimpl& root_p = people_p.root_parser ();
// Initialize the filter.
//
root_p.age_filter (1, 30);
xml_schema::document_pimpl doc_p (root_p, people_p.root_name ());
people_p.pre ();
if (argc < 2)
doc_p.parse (cin);
else
doc_p.parse (argv[1]);
auto_ptr<people> ppl (people_p.post ());
// Print what we've got.
//
people::person_sequence& ps = ppl->person ();
for (people::person_iterator i = ps.begin (); i != ps.end (); ++i)
{
cerr << "first: " << i->first_name () << endl
<< "last: " << i->last_name () << endl
<< "gender: " << i->gender () << endl
<< "age: " << i->age () << endl
<< endl;
}
// Serialize.
//
people_saggr people_s;
people_simpl& root_s = people_s.root_serializer ();
// Initialize the filter.
//
gender g;
g.assign ("female");
root_s.gender_filter (g);
xml_schema::document_simpl doc_s (root_s, people_s.root_name ());
people_s.pre (*ppl);
doc_s.serialize (cout);
people_s.post ();
}
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;
}
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