2003-07-25 19:44:59 +04:00
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//------------------------------------------------------------------------------
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2004-09-21 02:46:37 +04:00
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// Copyright (c) 2001-2002, Haiku
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2003-07-25 19:44:59 +04:00
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the "Software"),
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// to deal in the Software without restriction, including without limitation
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// the rights to use, copy, modify, merge, publish, distribute, sublicense,
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// and/or sell copies of the Software, and to permit persons to whom the
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// Software is furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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//
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// File Name: TokenHandler.h
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// Author: DarkWyrm <bpmagic@columbus.rr.com>
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// Description: Class to provide tokens with excluded values possible.
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//
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//------------------------------------------------------------------------------
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#ifndef TOKENHANDLER_H_
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#define TOKENHANDLER_H_
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#include <OS.h>
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#include <List.h>
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#include <Locker.h>
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2003-09-09 01:04:02 +04:00
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// Local Defines ---------------------------------------------------------------
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#define B_PREFERRED_TOKEN -2 /* A little bird told me about this one */
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#define B_NULL_TOKEN -1
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#define B_ANY_TOKEN 0
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#define B_HANDLER_TOKEN 1
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2003-07-25 19:44:59 +04:00
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/*!
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\class TokenHandler TokenHandler.h
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\brief Class to provide tokens with excluded values possible.
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*/
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class TokenHandler
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{
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public:
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TokenHandler(void);
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~TokenHandler(void);
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int32 GetToken(void);
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void ExcludeValue(int32 value);
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void Reset(void);
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void ResetExcludes(void);
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bool IsExclude(int32 value);
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private:
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int32 _index;
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BLocker _lock;
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BList *_excludes;
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};
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#endif
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