/* * LLCalc.h * Copyright 2008 Aimee Walton. * $LicenseInfo:firstyear=2008&license=viewerlgpl$ * Second Life Viewer Source Code * Copyright (C) 2008, Linden Research, Inc. * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; * version 2.1 of the License only. * * 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 * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA * * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA * $/LicenseInfo$ * */ #ifndef LL_CALC_H #define LL_CALC_H #include <map> #include <string> class LLCalc { public: LLCalc(); ~LLCalc(); // Variable name constants static const char* X_POS; static const char* Y_POS; static const char* Z_POS; static const char* X_SCALE; static const char* Y_SCALE; static const char* Z_SCALE; static const char* X_ROT; static const char* Y_ROT; static const char* Z_ROT; static const char* HOLLOW; static const char* CUT_BEGIN; static const char* CUT_END; static const char* PATH_BEGIN; static const char* PATH_END; static const char* TWIST_BEGIN; static const char* TWIST_END; static const char* X_SHEAR; static const char* Y_SHEAR; static const char* X_TAPER; static const char* Y_TAPER; static const char* RADIUS_OFFSET; static const char* REVOLUTIONS; static const char* SKEW; static const char* X_HOLE; static const char* Y_HOLE; static const char* TEX_U_SCALE; static const char* TEX_V_SCALE; static const char* TEX_U_OFFSET; static const char* TEX_V_OFFSET; static const char* TEX_ROTATION; static const char* TEX_TRANSPARENCY; static const char* TEX_GLOW; void setVar(const std::string& name, const F32& value); void clearVar(const std::string& name); void clearAllVariables(); // void updateVariables(LLSD& vars); bool evalString(const std::string& expression, F32& result); std::string::size_type getLastErrorPos() { return mLastErrorPos; } static LLCalc* getInstance(); static void cleanUp(); typedef std::map<std::string, F32> calc_map_t; private: std::string::size_type mLastErrorPos; calc_map_t mConstants; calc_map_t mVariables; // *TODO: Add support for storing user defined variables, and stored functions. // Will need UI work, and a means to save them between sessions. // calc_map_t mUserVariables; // "There shall be only one" static LLCalc* sInstance; }; #endif // LL_CALC_H