99 lines
3.4 KiB
C++
99 lines
3.4 KiB
C++
/*! \file pip_lua.h
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* \ingroup Lua
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* \~\brief
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* \~english Conversions between PIP types and LuaBridge
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* \~russian Преобразования между типами PIP и LuaBridge
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*/
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/*
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PIP - Platform Independent Primitives
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PIP Lua bindings
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Andrey Bychkov work.a.b@yandex.ru
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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//! \defgroup Lua Lua
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//! \~\brief
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//! \~english Lua programs support
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//! \~russian Поддержка программ Lua
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//!
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//! \~\details
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//! \~english \section cmake_module_Lua Building with CMake
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//! \~russian \section cmake_module_Lua Сборка с использованием CMake
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//!
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//! \~\code
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//! find_package(PIP REQUIRED)
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//! target_link_libraries([target] PIP::Lua)
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//! \endcode
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//!
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//! \~english \par Common
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//! \~russian \par Общее
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//!
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//! \~english
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//! These files provide execution of Lua programs inside C++ code.
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//!
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//! \~russian
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//! Эти файлы обеспечивают возможность выполнения программ Lua внутри C++ кода.
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//!
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//! \~\authors
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//! \~english
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//! Ivan Pelipenko peri4ko@yandex.ru;
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//! Andrey Bychkov work.a.b@yandex.ru;
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//! \~russian
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//! Иван Пелипенко peri4ko@yandex.ru;
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//! Андрей Бычков work.a.b@yandex.ru;
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//!
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#ifndef PIP_LUA_H
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#define PIP_LUA_H
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#include "lua.hpp"
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#include "pistring.h"
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#include <LuaBridge/LuaBridge.h>
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namespace luabridge {
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//! \~\ingroup Lua
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//! \~\brief
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//! \~english LuaBridge stack adapter for %PIString.
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//! \~russian Адаптер стека LuaBridge для %PIString.
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template<>
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struct Stack<PIString> {
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//! \~english Pushes a UTF-8 representation of the string onto the Lua stack.
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//! \~russian Помещает UTF-8 представление строки в стек Lua.
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static void push(lua_State * L, PIString const & str) { lua_pushstring(L, str.dataUTF8()); }
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//! \~english Reads a Lua value as %PIString, converting non-string values through Lua.
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//! \~russian Читает значение Lua как %PIString, при необходимости преобразуя нестроковые значения средствами Lua.
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static PIString get(lua_State * L, int index) {
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if (lua_type(L, index) == LUA_TSTRING) {
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const char * str = lua_tostring(L, index);
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return PIString::fromUTF8(str);
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}
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lua_pushvalue(L, index);
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const char * str = lua_tostring(L, -1);
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PIString string = PIString::fromUTF8(str);
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lua_pop(L, 1);
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return string;
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}
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//! \~english Returns whether the value at \a index is already a Lua string.
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//! \~russian Возвращает, является ли значение по \a index уже строкой Lua.
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static bool isInstance(lua_State * L, int index) { return lua_type(L, index) == LUA_TSTRING; }
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};
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} // namespace luabridge
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#endif // PIP_LUA_H
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