rainmeter-studio/Library/lua/LuaManager.cpp
Birunthan Mohanathas a3d8f73f6c Tweak f4429ad
2013-05-30 17:19:42 +03:00

94 lines
2.3 KiB
C++

/*
Copyright (C) 2010 Matt King, Birunthan Mohanathas
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include "../StdAfx.h"
#include "LuaManager.h"
#include "../Rainmeter.h"
int LuaManager::c_RefCount = 0;
lua_State* LuaManager::c_State = 0;
void LuaManager::Initialize()
{
if (c_State == NULL)
{
// Initialize Lua
c_State = luaL_newstate();
luaL_openlibs(c_State);
// Register custom types and functions
RegisterGlobal(c_State);
RegisterMeasure(c_State);
RegisterMeter(c_State);
RegisterMeterWindow(c_State);
}
++c_RefCount;
}
void LuaManager::Finalize()
{
if (c_RefCount > 0)
{
--c_RefCount;
}
if (c_RefCount == 0 && c_State != NULL)
{
lua_close(c_State);
c_State = NULL;
}
}
void LuaManager::ReportErrors(lua_State* L, const std::wstring& file)
{
const char* error = lua_tostring(L, -1);
lua_pop(L, 1);
// Skip "[string ...]".
const char* pos = strchr(error, ':');
if (pos)
{
error = pos;
}
std::wstring str(file, file.find_last_of(L'\\') + 1);
str += StringUtil::Widen(error);
LogErrorF(L"Script: %s", str.c_str());
}
void LuaManager::PushWide(lua_State* L, const WCHAR* str)
{
const std::string narrowStr = StringUtil::Narrow(str);
lua_pushlstring(L, narrowStr.c_str(), narrowStr.length());
}
void LuaManager::PushWide(lua_State* L, const std::wstring& str)
{
const std::string narrowStr = StringUtil::Narrow(str);
lua_pushlstring(L, narrowStr.c_str(), narrowStr.length());
}
std::wstring LuaManager::ToWide(lua_State* L, int narg)
{
size_t strLen = 0;
const char* str = lua_tolstring(L, narg, &strLen);
return StringUtil::Widen(str, (int)strLen);
}