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

/* [<][>]
[^][v][top][bottom][index][help] */

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)
     /* [<][>][^][v][top][bottom][index][help] */
  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)
     /* [<][>][^][v][top][bottom][index][help] */
  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()
     /* [<][>][^][v][top][bottom][index][help] */
  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)
     /* [<][>][^][v][top][bottom][index][help] */
  51 {
  52   return seek(item) != 0;
  53 }
  54 
  55 
  56 void CacheKeyCacheValueMap::error(const char* msg)
     /* [<][>][^][v][top][bottom][index][help] */
  57 {
  58   (*lib_error_handler)("Map", msg);
  59 }

/* [<][>][^][v][top][bottom][index][help] */