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# 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*/ void Clear ()
    00112   { Empty(); }
    00113
    00115   size_t GetSize () const
    00116   { return registry.GetSize (); }
    00117
    00123   bool IsEmpty() const
    00124   { return GetSize() == 0; }
    00125
    00131   GlobalIterator GetIterator () const
    00132   { return registry.GetIterator(); }
    00133 };
    00134
    00135 #endif // __CS_STRSET_H__