mirror of
https://github.com/OpenSpace/OpenSpace.git
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85 lines
5.4 KiB
C++
85 lines
5.4 KiB
C++
/*****************************************************************************************
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* *
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* OpenSpace *
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* *
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* Copyright (c) 2014-2017 *
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* *
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* Permission is hereby granted, free of charge, to any person obtaining a copy of this *
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* software and associated documentation files (the "Software"), to deal in the Software *
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* without restriction, including without limitation the rights to use, copy, modify, *
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* merge, publish, distribute, sublicense, and/or sell copies of the Software, and to *
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* permit persons to whom the Software is furnished to do so, subject to the following *
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* conditions: *
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* *
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* The above copyright notice and this permission notice shall be included in all copies *
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* 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 IMPLIED, *
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* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A *
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* PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT *
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* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF *
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* CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE *
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* OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
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****************************************************************************************/
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#include <openspace/properties/scalar/shortproperty.h>
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#include <ghoul/lua/ghoul_lua.h>
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#include <limits>
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#include <sstream>
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using std::numeric_limits;
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namespace openspace {
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namespace properties {
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#define DEFAULT_FROM_LUA_LAMBDA(TYPE, DEFAULT_VALUE) \
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[](lua_State* state, bool& success) -> TYPE { \
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success = (lua_isnumber(state, -1) == 1); \
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if (success) { \
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return static_cast<TYPE>(lua_tonumber(state, -1)); \
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} \
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else { \
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return DEFAULT_VALUE; \
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} \
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}
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#define DEFAULT_TO_LUA_LAMBDA(TYPE) \
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[](lua_State* state, TYPE value) -> bool { \
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lua_pushnumber(state, static_cast<lua_Number>(value)); \
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return true; \
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}
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#define DEFAULT_FROM_STRING_LAMBDA(TYPE, DEFAULT_VALUE) \
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[](std::string value, bool& success) -> TYPE { \
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std::stringstream s(value); \
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TYPE v; \
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s >> v; \
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success = !s.fail(); \
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if (success) { \
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return v; \
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} \
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else { \
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throw ghoul::RuntimeError("Conversion error for string: " + value); \
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} \
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}
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#define DEFAULT_TO_STRING_LAMBDA(TYPE) \
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[](std::string& outValue, TYPE inValue) -> bool { \
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outValue = std::to_string(inValue); \
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return true; \
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}
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REGISTER_NUMERICALPROPERTY_SOURCE(ShortProperty, short, short(0),
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numeric_limits<short>::lowest(),
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numeric_limits<short>::max(), short(1),
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DEFAULT_FROM_LUA_LAMBDA(short, short(0)),
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DEFAULT_TO_LUA_LAMBDA(short),
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DEFAULT_FROM_STRING_LAMBDA(short, short(0)),
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DEFAULT_TO_STRING_LAMBDA(short),
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LUA_TNUMBER);
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} // namespace properties
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} // namespace openspace
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