## modules/up/src/gnug++/CacheKey.CacheValue.Map.cc

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## FUNCTIONS

This source file includes following functions.

1. seek
2. owns
3. clear
4. contains
5. error

       1 // This may look like C code, but it is really -*- C++ -*-
       2 /*
       3 Copyright (C) 1988 Free Software Foundation
       4     written by Doug Lea (dl@rocky.oswego.edu)
       5
       6 This file is part of the GNU C++ Library.  This library is free
       7 software; you can redistribute it and/or modify it under the terms of
       8 the GNU Library General Public License as published by the Free
       9 Software Foundation; either version 2 of the License, or (at your
      10 option) any later version.  This library is distributed in the hope
      11 that it will be useful, but WITHOUT ANY WARRANTY; without even the
      12 implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
      13 PURPOSE.  See the GNU Library General Public License for more details.
      14 You should have received a copy of the GNU Library General Public
      15 License along with this library; if not, write to the Free Software
      16 Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
      17 */
      18
      19 #ifdef __GNUG__
      20 #pragma implementation
      21 #endif
      22 #include "CacheKey.CacheValue.Map.h"
      23 #include <builtin.h>
      24
      25
      26 Pix CacheKeyCacheValueMap::seek(CacheKey  item)
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      27 {
      28   Pix i;
      29   for (i = first(); i != 0 && !(CacheKeyEQ(key(i), item)); next(i));
      30   return i;
      31 }
      32
      33 int CacheKeyCacheValueMap::owns(Pix idx)
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      34 {
      35   if (idx == 0) return 0;
      36   for (Pix i = first(); i; next(i)) if (i == idx) return 1;
      37   return 0;
      38 }
      39
      40 void CacheKeyCacheValueMap::clear()
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      41 {
      42   Pix i = first();
      43   while (i != 0)
      44   {
      45     del(key(i));
      46     i = first();
      47   }
      48 }
      49
      50 int CacheKeyCacheValueMap::contains (CacheKey  item)
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      51 {
      52   return seek(item) != 0;
      53 }
      54
      55
      56 void CacheKeyCacheValueMap::error(const char* msg)
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      57 {
      58   (*lib_error_handler)("Map", msg);
      59 }

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