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#include "stdafx.h"
#define SCRIPT "Script"
CMLuaScript::CMLuaScript(lua_State *L, const TCHAR *path)
: L(L), status(None)
{
mir_tstrcpy(filePath, path);
fileName = _tcsrchr(filePath, '\\') + 1;
TCHAR *dot = _tcsrchr(fileName, '.');
size_t length = mir_tstrlen(fileName) - mir_tstrlen(dot) + 1;
ptrT name((TCHAR*)mir_calloc(sizeof(TCHAR) * (length + 1)));
mir_tstrncpy(name, fileName, length);
moduleName = mir_utf8encodeT(name);
MUUID muidLast = MIID_LAST;
id = GetPluginLangId(muidLast, 0);
}
CMLuaScript::~CMLuaScript()
{
mir_free(moduleName);
}
bool CMLuaScript::GetScriptEnviroment(lua_State *L, int n)
{
lua_Debug ar;
if (lua_getstack(L, 1, &ar) == 0 || lua_getinfo(L, "f", &ar) == 0 || lua_iscfunction(L, -1))
{
lua_pop(L, 1);
return false;
}
const char *env = lua_getupvalue(L, n, 1);
if (!env || mir_strcmp(env, "_ENV") != 0)
{
lua_pop(L, 1);
return false;
}
return true;
}
CMLuaScript* CMLuaScript::GetScriptFromEnviroment(lua_State *L, int n)
{
if (!GetScriptEnviroment(L, n))
return NULL;
lua_getfield(L, -1, SCRIPT);
CMLuaScript *script = (CMLuaScript*)lua_touserdata(L, -1);
lua_pop(L, 3);
return script;
}
int CMLuaScript::GetScriptIdFromEnviroment(lua_State *L, int n)
{
CMLuaScript *script = GetScriptFromEnviroment(L, n);
if (script != NULL)
return script->id;
return hLangpack;
}
const char* CMLuaScript::GetModuleName() const
{
return moduleName;
}
const TCHAR* CMLuaScript::GetFilePath() const
{
return filePath;
}
const TCHAR* CMLuaScript::GetFileName() const
{
return fileName;
}
const CMLuaScript::Status CMLuaScript::GetStatus() const
{
return status;
}
bool CMLuaScript::Load()
{
status = Failed;
if (luaL_loadfile(L, T2Utf(filePath)))
{
Log(lua_tostring(L, -1));
return false;
}
lua_createtable(L, 0, 2);
lua_pushvalue(L, -1);
lua_setfield(L, -2, "_G");
lua_pushlightuserdata(L, this);
lua_setfield(L, -2, "Script");
lua_createtable(L, 0, 2);
lua_getglobal(L, "_G");
lua_setfield(L, -2, "__index");
lua_setmetatable(L, -2);
lua_setupvalue(L, -2, 1);
if (luaM_pcall(L, 0, 1))
return false;
status = Loaded;
if (lua_isnoneornil(L, -1))
return true;
luaL_getsubtable(L, LUA_REGISTRYINDEX, "_LOADED");
lua_getfield(L, -1, moduleName);
if (!lua_toboolean(L, -1))
{
lua_pop(L, 1);
lua_pushvalue(L, -2);
lua_setfield(L, -2, moduleName);
lua_pop(L, 1);
}
else
lua_remove(L, -2);
if (!lua_istable(L, -1))
return true;
lua_getfield(L, -1, "Load");
if (lua_isfunction(L, -1))
luaM_pcall(L);
else
lua_pop(L, 1);
lua_getfield(L, -1, "Unload");
if (lua_isfunction(L, -1))
{
lua_pushvalue(L, -1);
lua_rawsetp(L, LUA_REGISTRYINDEX, this);
//unloadRef = luaL_ref(L, LUA_REGISTRYINDEX);
}
lua_pop(L, 1);
lua_pop(L, 1);
return true;
}
void CMLuaScript::Unload()
{
if (status == Loaded)
{
lua_rawgetp(L, LUA_REGISTRYINDEX, this);
//lua_rawgeti(L, LUA_REGISTRYINDEX, unloadRef);
if (lua_isfunction(L, -1))
luaM_pcall(L);
lua_pushnil(L);
lua_rawsetp(L, LUA_REGISTRYINDEX, this);
status = None;
}
luaL_getsubtable(L, LUA_REGISTRYINDEX, "_LOADED");
lua_pushnil(L);
lua_setfield(L, -2, moduleName);
lua_pop(L, 1);
//lua_pushnil(L);
//lua_setglobal(L, moduleName);
KillModuleIcons(id);
KillModuleSounds(id);
KillModuleMenus(id);
KillModuleHotkeys(id);
KillObjectEventHooks(this);
KillObjectServices(this);
}
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