// Copyright (c) 1995 James Clark
// See the file COPYING for copying permission.

#ifndef EntityManager_INCLUDED
#define EntityManager_INCLUDED 1

#ifdef __GNUG__
#pragma interface
#endif

#include "types.h"
#include "StringC.h"
#include "Resource.h"
#include "EntityCatalog.h"
#include "Ptr.h"
#include "Boolean.h"

#ifdef SP_NAMESPACE
namespace SP_NAMESPACE {
#endif

class Messenger;
class InputSourceOrigin;
class CharsetInfo;
class InputSource;

class SP_API EntityManager : public Resource {
public:
  enum { mayRewind = 01, maySetDocCharset = 02 };
  virtual ~EntityManager();
  virtual Boolean internalCharsetIsDocCharset() const = 0;
  virtual const CharsetInfo &charset() const = 0;
  virtual InputSource *open(const StringC &sysid,
			    const CharsetInfo &docCharset,
			    InputSourceOrigin *,
			    unsigned flags,
			    Messenger &) = 0;
  // Make a catalog for a document or subdocument with specified
  // system identifier.
  // The catalog can cause the system identifier to be replaced.
  virtual ConstPtr<EntityCatalog>
    makeCatalog(StringC &systemId, const CharsetInfo &, Messenger &) = 0;
};

#ifdef SP_NAMESPACE
}
#endif

#endif /* not EntityManager_INCLUDED */