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