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virtualFileMount.h

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// Filename: virtualFileMount.h
// Created by:  drose (03Aug02)
//
////////////////////////////////////////////////////////////////////
//
// PANDA 3D SOFTWARE
// Copyright (c) 2001, Disney Enterprises, Inc.  All rights reserved
//
// All use of this software is subject to the terms of the Panda 3d
// Software license.  You should have received a copy of this license
// along with this source code; you will also find a current copy of
// the license at http://www.panda3d.org/license.txt .
//
// To contact the maintainers of this program write to
// panda3d@yahoogroups.com .
//
////////////////////////////////////////////////////////////////////

#ifndef VIRTUALFILEMOUNT_H
#define VIRTUALFILEMOUNT_H

#include "pandabase.h"

#include "filename.h"
#include "pointerTo.h"
#include "typedObject.h"

class VirtualFileSystem;

////////////////////////////////////////////////////////////////////
//       Class : VirtualFileMount
// Description : The abstract base class for a mount definition used
//               within a VirtualFileSystem.  Normally users don't
//               need to monkey with this class directly.
////////////////////////////////////////////////////////////////////
class EXPCL_PANDAEXPRESS VirtualFileMount : public TypedObject {
public:
  INLINE VirtualFileMount(VirtualFileSystem *file_system,
                          const Filename &physical_filename,
                          const Filename &mount_point,
                          int mount_flags);
  virtual ~VirtualFileMount();

  INLINE VirtualFileSystem *get_file_system() const;
  INLINE const Filename &get_physical_filename() const;
  INLINE const Filename &get_mount_point() const;
  INLINE int get_mount_flags() const;

  virtual bool has_file(const Filename &file) const=0;
  virtual bool is_directory(const Filename &file) const=0;
  virtual bool is_regular_file(const Filename &file) const=0;

  virtual istream *open_read_file(const Filename &file) const=0;
  virtual bool scan_directory(vector_string &contents, 
                              const Filename &dir) const=0;


  virtual void output(ostream &out) const;
  virtual void write(ostream &out) const;

protected:
  VirtualFileSystem *_file_system;
  Filename _physical_filename;
  Filename _mount_point;
  int _mount_flags;


public:
  virtual TypeHandle get_type() const {
    return get_class_type();
  }
  virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
  static TypeHandle get_class_type() {
    return _type_handle;
  }
  static void init_type() {
    TypedObject::init_type();
    register_type(_type_handle, "VirtualFileMount",
                  TypedObject::get_class_type());
  }

private:
  static TypeHandle _type_handle;
};

INLINE ostream &operator << (ostream &out, const VirtualFileMount &mount);

#include "virtualFileMount.I"

#endif

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