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rainmeter-studio/Library/lua/LuaManager.cpp

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/*
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"
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int LuaManager::c_RefCount = 0;
lua_State* LuaManager::c_State = 0;
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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);
}
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++c_RefCount;
}
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void LuaManager::Finalize()
{
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if (c_RefCount > 0)
{
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--c_RefCount;
}
if (c_RefCount == 0 && c_State != NULL)
{
lua_close(c_State);
c_State = NULL;
}
}
void LuaManager::ReportErrors(lua_State* L)
{
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const char* error = lua_tostring(L, -1);
lua_pop(L, 1);
const char* pos = error + 4; // Skip the drive
// Get rid of everything up to the filename
while (*pos != ':')
{
if (*pos == '\\')
{
error = pos + 1;
}
++pos;
}
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LogWithArgs(LOG_ERROR, L"Script: %S", error);
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}
void LuaManager::PushWide(lua_State* L, const WCHAR* str)
{
lua_pushstring(L, ConvertToAscii(str).c_str());
}
std::wstring LuaManager::ToWide(lua_State* L, int narg)
{
return ConvertToWide(lua_tostring(L, narg));
}