Panda3D

virtualFileComposite.h

00001 // Filename: virtualFileComposite.h
00002 // Created by:  drose (03Aug02)
00003 //
00004 ////////////////////////////////////////////////////////////////////
00005 //
00006 // PANDA 3D SOFTWARE
00007 // Copyright (c) Carnegie Mellon University.  All rights reserved.
00008 //
00009 // All use of this software is subject to the terms of the revised BSD
00010 // license.  You should have received a copy of this license along
00011 // with this source code in a file named "LICENSE."
00012 //
00013 ////////////////////////////////////////////////////////////////////
00014 
00015 #ifndef VIRTUALFILECOMPOSITE_H
00016 #define VIRTUALFILECOMPOSITE_H
00017 
00018 #include "pandabase.h"
00019 
00020 #include "virtualFile.h"
00021 
00022 ////////////////////////////////////////////////////////////////////
00023 //       Class : VirtualFileComposite
00024 // Description : A composite directory within the VirtualFileSystem:
00025 //               this maps to more than one directory on different
00026 //               mount points.  The resulting directory appears to be
00027 //               the union of all the individual simple directories.
00028 ////////////////////////////////////////////////////////////////////
00029 class EXPCL_PANDAEXPRESS VirtualFileComposite : public VirtualFile {
00030 public:
00031   INLINE VirtualFileComposite(VirtualFileSystem *file_system,
00032                               const Filename &filename);
00033 
00034   INLINE void add_component(VirtualFile *file);
00035 
00036   virtual VirtualFileSystem *get_file_system() const;
00037   virtual Filename get_filename() const;
00038 
00039   virtual bool has_file() const;
00040   virtual bool is_directory() const;
00041 
00042 protected:
00043   virtual bool scan_local_directory(VirtualFileList *file_list, 
00044                                     const ov_set<string> &mount_points) const;
00045 
00046 private:
00047   VirtualFileSystem *_file_system;
00048   Filename _filename;
00049   typedef pvector< PT(VirtualFile) > Components;
00050   Components _components;
00051 
00052 public:
00053   virtual TypeHandle get_type() const {
00054     return get_class_type();
00055   }
00056   virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
00057 
00058 PUBLISHED:
00059   static TypeHandle get_class_type() {
00060     return _type_handle;
00061   }
00062 
00063 public:
00064   static void init_type() {
00065     VirtualFile::init_type();
00066     register_type(_type_handle, "VirtualFileComposite",
00067                   VirtualFile::get_class_type());
00068   }
00069 
00070 private:
00071   static TypeHandle _type_handle;
00072 };
00073 
00074 #include "virtualFileComposite.I"
00075 
00076 #endif
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