Panda3D

iffId.h

00001 // Filename: iffId.h
00002 // Created by:  drose (23Apr01)
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 IFFID_H
00016 #define IFFID_H
00017 
00018 #include "pandatoolbase.h"
00019 
00020 #include "numeric_types.h"
00021 
00022 ////////////////////////////////////////////////////////////////////
00023 //       Class : IffId
00024 // Description : A four-byte chunk ID appearing in an "IFF" file.
00025 //               This is used to identify the meaning of each chunk,
00026 //               and can be treated either as a concrete object or as
00027 //               a string, something like a TypeHandle.
00028 ////////////////////////////////////////////////////////////////////
00029 class IffId {
00030 public:
00031   INLINE IffId();
00032   INLINE IffId(const char id[4]);
00033   INLINE IffId(const IffId &copy);
00034   INLINE void operator = (const IffId &copy);
00035 
00036   INLINE bool operator == (const IffId &other) const;
00037   INLINE bool operator != (const IffId &other) const;
00038   INLINE bool operator < (const IffId &other) const;
00039 
00040   INLINE string get_name() const;
00041 
00042   void output(ostream &out) const;
00043 
00044 private:
00045   union {
00046     PN_uint32 _n;
00047     char _c[4];
00048   } _id;
00049 };
00050 
00051 #include "iffId.I"
00052 
00053 INLINE ostream &operator << (ostream &out, const IffId &id) {
00054   id.output(out);
00055   return out;
00056 }
00057 
00058 #endif
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