/*
 * CDE - Common Desktop Environment
 *
 * Copyright (c) 1993-2012, The Open Group. All rights reserved.
 *
 * These libraries and programs are free software; you can
 * redistribute them and/or modify them under the terms of the GNU
 * Lesser General Public License as published by the Free Software
 * Foundation; either version 2 of the License, or (at your option)
 * any later version.
 *
 * These libraries and programs are distributed in the hope that
 * they will be useful, but WITHOUT ANY WARRANTY; without even the
 * implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
 * PURPOSE. See the GNU Lesser General Public License for more
 * details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with these librararies and programs; if not, write
 * to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
 * Floor, Boston, MA 02110-1301 USA
 */
/* $XConsortium: NamedResourceTable.h /main/1 1996/07/29 16:58:33 cde-hp $ */
// Copyright (c) 1994 James Clark
// See the file COPYING for copying permission.

#ifndef NamedResourceTable_INCLUDED
#define NamedResourceTable_INCLUDED 1

#include "NamedResource.h"
#include "PointerTable.h"
#include "StringC.h"
#include "Hash.h"
#include "Ptr.h"

#ifdef SP_NAMESPACE
namespace SP_NAMESPACE {
#endif

struct NamedResourceKeyFunction {
  static inline
    const StringC &key(const NamedResource &p) {
      return p.name();
    }
};

template<class T> class NamedResourceTableIter;
template<class T> class ConstNamedResourceTableIter;

template<class T>
class NamedResourceTable {
#ifdef __lucid
  struct X {
    Ptr<T> _X; // work around lcc bug
  };
#endif
public:
  NamedResourceTable() { }
  Ptr<T> insert(const Ptr<T> &p, Boolean replace = 0) {
    return (T *)table_.insert((NamedResource *)p.pointer(), replace).pointer();
  }
  Ptr<T> lookup(const StringC &str) const {
    return (T *)table_.lookup(str).pointer();
  }
  ConstPtr<T> lookupConst(const StringC &str) const {
    return (T *)table_.lookup(str).pointer();
  }
  const T *lookupTemp(const StringC &str) const {
    return (const T *)table_.lookup(str).pointer();
  }
  Ptr<T> remove(const StringC &str) {
    return (T *)table_.remove(str).pointer();
  }
  size_t count() const { return table_.count(); }
  void clear() { table_.clear(); }
  void swap(NamedResourceTable<T> &to) { table_.swap(to.table_); }
private:
  PointerTable<Ptr<NamedResource>, StringC, Hash,
	       NamedResourceKeyFunction> table_;
  friend class NamedResourceTableIter<T>;
  friend class ConstNamedResourceTableIter<T>;
};

template<class T>
class NamedResourceTableIter {
public:
  NamedResourceTableIter(const NamedResourceTable<T> &table)
  : iter_(table.table_) { }
  Ptr<T> next() {
    return (T *)iter_.next().pointer();
  }
private:
  PointerTableIter<Ptr<NamedResource>, StringC, Hash,
                   NamedResourceKeyFunction> iter_;
};

template<class T>
class ConstNamedResourceTableIter {
public:
  ConstNamedResourceTableIter(const NamedResourceTable<T> &table)
  : iter_(table.table_) { }
  ConstPtr<T> next() {
    return (T *)iter_.next().pointer();
  }
  const T *nextTemp() {
    return (const T *)iter_.next().pointer();
  }
private:
  PointerTableIter<Ptr<NamedResource>, StringC, Hash,
                   NamedResourceKeyFunction> iter_;
};
  
#ifdef SP_NAMESPACE
}
#endif

#endif /* not NamedResourceTable_INCLUDED */