modules/up/src/gnug++/CacheKey.CacheValue.Map.cc
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FUNCTIONS
This source file includes following functions.
- seek
- owns
- clear
- contains
- error
// This may look like C code, but it is really -*- C++ -*-
/*
Copyright (C) 1988 Free Software Foundation
written by Doug Lea (dl@rocky.oswego.edu)
This file is part of the GNU C++ Library. This library is free
software; you can redistribute it and/or modify it under the terms of
the GNU Library General Public License as published by the Free
Software Foundation; either version 2 of the License, or (at your
option) any later version. This library is distributed in the hope
that it will be useful, but WITHOUT ANY WARRANTY; without even the
implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the GNU Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free Software
Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifdef __GNUG__
#pragma implementation
#endif
#include "CacheKey.CacheValue.Map.h"
#include <builtin.h>
Pix CacheKeyCacheValueMap::seek(CacheKey item)
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{
Pix i;
for (i = first(); i != 0 && !(CacheKeyEQ(key(i), item)); next(i));
return i;
}
int CacheKeyCacheValueMap::owns(Pix idx)
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{
if (idx == 0) return 0;
for (Pix i = first(); i; next(i)) if (i == idx) return 1;
return 0;
}
void CacheKeyCacheValueMap::clear()
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{
Pix i = first();
while (i != 0)
{
del(key(i));
i = first();
}
}
int CacheKeyCacheValueMap::contains (CacheKey item)
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{
return seek(item) != 0;
}
void CacheKeyCacheValueMap::error(const char* msg)
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{
(*lib_error_handler)("Map", msg);
}