CrystalSpace

Public API Reference

csutil/strset.h

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00001 /*
00002     Copyright (C) 2001 by Martin Geisse <mgeisse@gmx.net>
00003 
00004     This library is free software; you can redistribute it and/or
00005     modify it under the terms of the GNU Library General Public
00006     License as published by the Free Software Foundation; either
00007     version 2 of the License, or (at your option) any later version.
00008 
00009     This library is distributed in the hope that it will be useful,
00010     but WITHOUT ANY WARRANTY; without even the implied warranty of
00011     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012     Library General Public License for more details.
00013 
00014     You should have received a copy of the GNU Library General Public
00015     License along with this library; if not, write to the Free
00016     Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
00017 */
00018 
00019 #ifndef __CS_STRSET_H__
00020 #define __CS_STRSET_H__
00021 
00022 #include "csextern.h"
00023 #include "csutil/strhash.h"
00024 
00039 class CS_CRYSTALSPACE_EXPORT csStringSet
00040 {
00041  private:
00042   csStringHash registry;
00043   csHash<const char*, csStringID> reverse; // ID to string mapping.
00044   csStringID next_id;
00045 
00046   void Copy(csStringSet const&);
00047 
00048 public:
00049   typedef csStringHash::GlobalIterator GlobalIterator;
00050 
00051 public:
00053   csStringSet (size_t size = 23);
00055   csStringSet (csStringSet const& s) { Copy(s); }
00057   ~csStringSet ();
00059   csStringSet& operator=(csStringSet const& s) { Copy(s); return *this; }
00060 
00067   csStringID Request (const char*);
00068 
00074   char const* Request (csStringID) const;
00075 
00079   bool Contains(char const*) const;
00080 
00086   bool Contains(csStringID id) const
00087   { return Request(id) != 0; }
00088 
00093   bool Delete(char const* s);
00094 
00099   bool Delete(csStringID id);
00100 
00105   void Empty ();
00106 
00111   /*CS_DEPRECATED_METHOD("Use Empty() instead.")*/
00112   void Clear ()
00113   { Empty(); }
00114 
00116   size_t GetSize () const
00117   { return registry.GetSize (); }
00118 
00124   bool IsEmpty() const
00125   { return GetSize() == 0; }
00126 
00132   GlobalIterator GetIterator () const
00133   { return registry.GetIterator(); }
00134 };
00135 
00136 #endif // __CS_STRSET_H__

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