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// file : examples/roundtrip/driver.cxx
// copyright : not copyrighted - public domain
#include <string>
#include <fstream>
#include <iostream>
#include <libstudxml/parser.hxx>
#include <libstudxml/serializer.hxx>
using namespace std;
using namespace xml;
int
main (int argc, char* argv[])
{
if (argc != 2)
{
cerr << "usage: " << argv[0] << " <xml-file>" << endl;
return 1;
}
try
{
// Enable stream exceptions so that io failures are reported
// as stream rather than as parsing exceptions.
//
ifstream ifs;
ifs.exceptions (ifstream::badbit | ifstream::failbit);
ifs.open (argv[1], ifstream::in | ifstream::binary);
// Configure the parser to receive attributes as events as well
// as to receive prefix-namespace mappings (namespace declarations
// in XML terminology).
//
parser p (ifs,
argv[1],
parser::receive_default |
parser::receive_attributes_event |
parser::receive_namespace_decls);
// Configure serializer not to perform indentation. Existing
// indentation, if any, will be preserved.
//
serializer s (cout, "out", 0);
for (parser::event_type e (p.next ()); e != parser::eof; e = p.next ())
{
switch (e)
{
case parser::start_element:
{
s.start_element (p.qname ());
break;
}
case parser::end_element:
{
s.end_element ();
break;
}
case parser::start_namespace_decl:
{
s.namespace_decl (p.namespace_ (), p.prefix ());
break;
}
case parser::end_namespace_decl:
{
// There is nothing in XML that indicates the end of namespace
// declaration since it is scope-based.
//
break;
}
case parser::start_attribute:
{
s.start_attribute (p.qname ());
break;
}
case parser::end_attribute:
{
s.end_attribute ();
break;
}
case parser::characters:
{
s.characters (p.value ());
break;
}
case parser::eof:
{
// Handled in the for loop.
//
break;
}
}
}
}
catch (const ios_base::failure&)
{
cerr << "io failure" << endl;
return 1;
}
catch (const xml::exception& e)
{
cerr << e.what () << endl;
return 1;
}
}
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