BOOL CALLBACK luaX_resenm(HMODULE hm, LPCTSTR ty, LPTSTR nm, LONG_PTR lp)
{
lua_State* L = (lua_State*)lp;
lua_checkstack(L, 2);
HRSRC hRes = FindResource(hm, nm, luaX_host<ILuaLib>(L,0)->m_rt);
HGLOBAL hResL;
char* buf;
size_t size = 0;
hResL = LoadResource(hm, hRes);
buf = (char*)LockResource(hResL);
size = (size_t)SizeofResource(hm, hRes);
if (size > 80) size = 80;
if ((size > 4) && (buf[0] == '-') && (buf[1] == '-'))
{
for (size_t i = 2; (i < size); i++) if (buf[i] == '\n') size = i;
}
else
{
size = 0;
}
luaX_pushstring(L, CString(nm));
if (size > 0)
lua_pushlstring(L, buf + 2, size - 2);
else
lua_pushboolean(L, TRUE);
lua_settable(L, -3);
return TRUE;
}
int get_class(lua_State* L, const char* name) {
lua_getglobal(L, "package");
if (lua_istable(L, -1)) {
lua_getfield(L, -1, "loaded");
lua_remove(L, -2);
int c = 0;
while (lua_istable(L, -1)) {
luaX_pushstring(L, pop_name(name, c++));
lua_gettable(L, -2);
lua_remove(L, -2);
}
}
if (!lua_isfunction(L, -1)) return luaL_error(L,"Class not found: %s",name);
return 1;
};
//R1 (Number) Time zone offset in hours including DST applicable at the time and date.
//R2 (String) Name of the time zone.
//R3 (Number) DST offset in hours applicable at the time or date.
int LuaTimeZone(lua_State* L)
{
luaC_checkmethod(L, 3);
timeud* p1 = (timeud*)lua_touserdata(L, 1);
if (!(p1->typ < tud_abs_hour)) return luaL_argerror(L, 1, "Only applies to an absolute Time with at least minute resolution.");
TIME_ZONE_INFORMATION tz;
GetTimeZoneInformation(&tz);
SYSTEMTIME st;
TimeSplit(p1->val, &st);
DOUBLE loc = TimeMake(&st, 0.0) * (24 * 60);
int ofs = (int)((p1->val * (24 * 60)) - loc);
lua_pushnumber(L, (double)ofs / 60.0);
luaX_pushstring(L, (ofs == tz.Bias)? CString(tz.StandardName) : CString(tz.DaylightName));
lua_pushnumber(L, (double)((ofs == tz.Bias)? tz.StandardBias : tz.DaylightBias) / 60.0);
return 3;
}
LUALIB_API int luaX_loadresource(lua_State* L, LPCTSTR resname)
{
if (luaX_host<ILuaLib>(L,0)->m_rt.GetLength() < 1) return 0;
lua_checkstack(L, 2);
HRSRC hRes;
HMODULE hM = _Module.GetResourceInstance();
CString name(resname);
hRes = FindResource(hM, name, luaX_host<ILuaLib>(L,0)->m_rt);
if (hRes == NULL)
{
luaX_pushstring(L, CString("\tno resource '") + name + CString("'"));
return LUA_ERRFILE;
}
name = CString("=Resource-") + name;
size_t sz = name.GetLength() + 1;
char* nm = new char[sz];
wcstombs_s(NULL, nm, sz, name, sz);
int r = lua_load(L, LuaX_ResReader, (void*)&hRes, nm, NULL);
delete nm;
return r;
}
LUALIB_API int luaX_loadfile (lua_State *L, LPCTSTR fn, LPCTSTR fp)
{
lua_checkstack(L, 2);
CString cn(fn);
CString ep(fp);
int p = cn.Find(ep);
if (p >= 0) cn = CString("\\") + cn.Mid(p + ep.GetLength());
cn = CString('@') + cn;
int sz = cn.GetLength();
int bs = WideCharToMultiByte(CP_THREAD_ACP, 0, cn, sz + 1, NULL, 0, NULL, NULL);
char* chunkname = new char[bs];
int rs = WideCharToMultiByte(CP_THREAD_ACP, 0, cn, sz + 1, chunkname, bs, NULL, NULL);
LuaX_LoadF lf;
int r = 0;
if (_wfopen_s(&lf.f, fn, TEXT("r")) != 0) r = LUA_ERRFILE;
if (r != 0)
luaX_pushstring(L, CString("Cannot open script file: ") + fn);
else
r = lua_load(L, LuaX_FileReader, &lf, chunkname, NULL);
delete chunkname;
if (lf.f != NULL) fclose(lf.f);
return r;
}
