// sgmlid.cxx
// Report PUBLIC and SYSTEM Identifiers of SGML Documents
// 
// Author: 
//    Sean B. Palmer, inamidst.com
//    Based heavily on an example by James Clark
// Derived from: 
//    http://www.jclark.com/sp/generic.htm
// Requires: SP source

// The next two lines ensure bool gets defined appropriately.
#include "config.h"
#include "Boolean.h"

#include "ParserEventGeneratorKit.h"
#include <iostream.h>

ostream &operator<<(ostream &os, SGMLApplication::CharString s) {
   for (size_t i = 0; i < s.len; i++) 
      os << char(s.ptr[i]); 
   return os; 
}

class SGMLIdentifier : public SGMLApplication {
public:
   SGMLIdentifier() { }
   void startDtd(const StartDtdEvent &event) {
      if (event.haveExternalId) { 
         if (event.externalId.havePublicId) 
            cout << "PUBLIC: " << event.externalId.publicId << '\n'; 
         if (event.externalId.haveSystemId) 
            cout << "SYSTEM: " << event.externalId.systemId << '\n'; 
      }
   }
};

int main(int argc, char **argv) {
   ParserEventGeneratorKit parserKit; 
   // Use all the arguments after argv[0] as filenames.
   EventGenerator *egp = parserKit.makeEventGenerator(argc-1, argv+1); 
   SGMLIdentifier app; 
   unsigned nErrors = egp->run(app); 
   delete egp; 
   return nErrors > 0; 
}