Panda3D

loaderFileTypeRegistry.h

00001 // Filename: loaderFileTypeRegistry.h
00002 // Created by:  drose (20Jun00)
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 LOADERFILETYPEREGISTRY_H
00016 #define LOADERFILETYPEREGISTRY_H
00017 
00018 #include "pandabase.h"
00019 
00020 #include "pvector.h"
00021 #include "pmap.h"
00022 
00023 class LoaderFileType;
00024 class Filename;
00025 
00026 ////////////////////////////////////////////////////////////////////
00027 //       Class : LoaderFileTypeRegistry
00028 // Description : This class maintains the set of all known
00029 //               LoaderFileTypes in the universe.
00030 ////////////////////////////////////////////////////////////////////
00031 class EXPCL_PANDA_PGRAPH LoaderFileTypeRegistry {
00032 protected:
00033   LoaderFileTypeRegistry();
00034 
00035 public:
00036   ~LoaderFileTypeRegistry();
00037 
00038   void register_type(LoaderFileType *type);
00039   void register_deferred_type(const string &extension, const string &library);
00040 
00041 PUBLISHED:
00042   int get_num_types() const;
00043   LoaderFileType *get_type(int n) const;
00044   MAKE_SEQ(get_types, get_num_types, get_type);
00045   LoaderFileType *get_type_from_extension(const string &extension);
00046 
00047   void write(ostream &out, int indent_level = 0) const;
00048 
00049   static LoaderFileTypeRegistry *get_global_ptr();
00050 
00051 private:
00052   void record_extension(const string &extension, LoaderFileType *type);
00053 
00054 private:
00055   typedef pvector<LoaderFileType *> Types;
00056   Types _types;
00057 
00058   typedef pmap<string, LoaderFileType *> Extensions;
00059   Extensions _extensions;
00060 
00061   typedef pmap<string, string> DeferredTypes;
00062   DeferredTypes _deferred_types;
00063 
00064   static LoaderFileTypeRegistry *_global_ptr;
00065 };
00066 
00067 #endif
00068 
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