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// file : examples/cxx/parser/hello/driver.cxx
// copyright : not copyrighted - public domain
#include <string>
#include <iostream>
#include "hello-pskel.hxx"
using namespace std;
struct hello_pimpl: hello_pskel
{
virtual void
greeting (const string& greeting)
{
greeting_ = greeting;
}
virtual void
name (const string& name)
{
cout << greeting_ << ", " << name << "!" << endl;
}
private:
string greeting_;
};
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
{
// Construct the parser.
//
xml_schema::string_pimpl string_p;
hello_pimpl hello_p;
hello_p.greeting_parser (string_p);
hello_p.name_parser (string_p);
// Parse the XML instance document. The second argument to the
// document's constructor is the document's root element name.
//
xml_schema::document_pimpl doc_p (hello_p, "hello");
hello_p.pre ();
if (argc < 2)
doc_p.parse (cin);
else
doc_p.parse (argv[1]);
hello_p.post_hello ();
}
catch (const xml_schema::parser_exception& e)
{
cerr << input << ":" << e.line () << ":" << e.column () << ": "
<< e.text () << endl;
return 1;
}
catch (const std::ios_base::failure&)
{
cerr << input << ": unable to open or read failure" << endl;
return 1;
}
return 0;
}
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