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#include "stdafx.h"
CLuaScriptLoader::CLuaScriptLoader(lua_State *L) : L(L)
{
}
void CLuaScriptLoader::RegisterScriptsFolder(const char *path)
{
lua_getglobal(L, "package");
lua_getfield(L, -1, "path");
const char *oldPath = luaL_checkstring(L, -1);
lua_pop(L, 1);
if (!mir_strlen(oldPath))
lua_pushfstring(L, "%s\\?.lua", path);
else
lua_pushfstring(L, "%s;%s\\?.lua", oldPath, path);
lua_setfield(L, -2, "path");
lua_pop(L, 1);
}
void CLuaScriptLoader::LoadScript(const TCHAR *path)
{
if (luaL_loadfile(L, T2Utf(path)))
{
CallService(MS_NETLIB_LOG, (WPARAM)hNetlib, (LPARAM)lua_tostring(L, -1));
return;
}
if (lua_pcall(L, 0, 1, 0))
{
CallService(MS_NETLIB_LOG, (WPARAM)hNetlib, (LPARAM)lua_tostring(L, -1));
return;
}
TCHAR buf[4096];
mir_sntprintf(buf, _T("%s:OK"), path);
CallService(MS_NETLIB_LOGW, (WPARAM)hNetlib, (LPARAM)buf);
if (lua_istable(L, -1))
{
lua_pushliteral(L, "Load");
lua_gettable(L, -2);
if (lua_isfunction(L, -1) && lua_pcall(L, 0, 0, 0))
CallService(MS_NETLIB_LOG, (WPARAM)hNetlib, (LPARAM)lua_tostring(L, -1));
}
}
void CLuaScriptLoader::LoadScripts(const TCHAR *scriptDir)
{
TCHAR buf[4096];
mir_sntprintf(buf, _T("Loading scripts from %s"), scriptDir);
CallService(MS_NETLIB_LOGW, (WPARAM)hNetlib, (LPARAM)buf);
RegisterScriptsFolder(ptrA(mir_utf8encodeT(scriptDir)));
TCHAR searchMask[MAX_PATH];
mir_sntprintf(searchMask, _T("%s\\%s"), scriptDir, _T("*.lua"));
TCHAR fullPath[MAX_PATH], path[MAX_PATH];
WIN32_FIND_DATA fd;
HANDLE hFind = FindFirstFile(searchMask, &fd);
if (hFind != INVALID_HANDLE_VALUE)
{
do
{
if (!(fd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY))
{
mir_sntprintf(fullPath, _T("%s\\%s"), scriptDir, fd.cFileName);
PathToRelativeT(fullPath, path);
if (db_get_b(NULL, MODULE, _T2A(fd.cFileName), 1))
LoadScript(fullPath);
}
} while (FindNextFile(hFind, &fd));
FindClose(hFind);
}
}
void CLuaScriptLoader::UnloadScript(const TCHAR *path)
{
const TCHAR* p = _tcsrchr(path, '\\') + 1;
size_t length = mir_tstrlen(p) - 3;
ptrT name((TCHAR*)mir_alloc(sizeof(TCHAR) * length));
mir_tstrncpy(name, p, length);
T2Utf moduleName(name);
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);
}
void CLuaScriptLoader::ReloadScript(const TCHAR *path)
{
UnloadScript(path);
LoadScript(path);
}
void CLuaScriptLoader::Load(lua_State *L)
{
TCHAR scriptDir[MAX_PATH];
CLuaScriptLoader loader(L);
FoldersGetCustomPathT(g_hCommonFolderPath, scriptDir, _countof(scriptDir), VARST(COMMON_SCRIPTS_PATHT));
loader.LoadScripts(scriptDir);
FoldersGetCustomPathT(g_hCustomFolderPath, scriptDir, _countof(scriptDir), VARST(CUSTOM_SCRIPTS_PATHT));
loader.LoadScripts(scriptDir);
}
void CLuaScriptLoader::Reload(lua_State *L, const TCHAR *path)
{
CLuaScriptLoader loader(L);
loader.ReloadScript(path);
}
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