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#include "stdafx.h"
static int lua_CreateHookableEvent(lua_State *L)
{
const char *name = luaL_checkstring(L, 1);
HANDLE res = ::CreateHookableEvent(name);
lua_pushlightuserdata(L, res);
CMLua::Events.insert(res);
return 1;
}
static int lua_DestroyHookableEvent(lua_State *L)
{
HANDLE hEvent = (HANDLE)lua_touserdata(L, 1);
CMLua::Events.remove(hEvent);
int res = ::DestroyHookableEvent(hEvent);
lua_pushinteger(L, res);
return 1;
}
static int lua_NotifyEventHooks(lua_State *L)
{
HANDLE hEvent = (HANDLE)lua_touserdata(L, 1);
WPARAM wParam = luaM_towparam(L, 2);
LPARAM lParam = luaM_tolparam(L, 3);
int res = ::NotifyEventHooks(hEvent, wParam, lParam);
lua_pushinteger(L, res);
return 1;
}
int HookEventObjParam(void *obj, WPARAM wParam, LPARAM lParam, LPARAM param)
{
lua_State *L = (lua_State*)obj;
int ref = param;
lua_rawgeti(L, LUA_REGISTRYINDEX, ref);
lua_pushlightuserdata(L, (void*)wParam);
lua_pushlightuserdata(L, (void*)lParam);
if (lua_pcall(L, 2, 1, 0))
CallService(MS_NETLIB_LOG, (WPARAM)hNetlib, (LPARAM)lua_tostring(L, -1));
int res = (int)lua_tointeger(L, 1);
return res;
}
static int lua_HookEvent(lua_State *L)
{
const char *name = luaL_checkstring(L, 1);
if (!lua_isfunction(L, 2))
{
lua_pushlightuserdata(L, NULL);
return 1;
}
lua_pushvalue(L, 2);
int ref = luaL_ref(L, LUA_REGISTRYINDEX);
HANDLE res = ::HookEventObjParam(name, HookEventObjParam, L, ref);
lua_pushlightuserdata(L, res);
CMLua::Hooks.insert(res);
CMLua::HookRefs.insert(new HandleRefParam(L, res, ref));
return 1;
}
static int lua_UnhookEvent(lua_State *L)
{
HANDLE hEvent = (HANDLE)lua_touserdata(L, 1);
CMLua::Hooks.remove(hEvent);
HandleRefParam *param = (HandleRefParam*)CMLua::HookRefs.find(hEvent);
if (param != NULL)
{
luaL_unref(param->L, LUA_REGISTRYINDEX, param->ref);
CMLua::HookRefs.remove(param);
delete param;
}
int res = ::UnhookEvent(hEvent);
lua_pushinteger(L, res);
return 1;
}
INT_PTR CreateServiceFunctionObjParam(void *obj, WPARAM wParam, LPARAM lParam, LPARAM param)
{
lua_State *L = (lua_State*)obj;
int ref = param;
lua_rawgeti(L, LUA_REGISTRYINDEX, ref);
lua_pushlightuserdata(L, (void*)wParam);
lua_pushlightuserdata(L, (void*)lParam);
if (lua_pcall(L, 2, 1, 0))
CallService(MS_NETLIB_LOG, (WPARAM)hNetlib, (LPARAM)lua_tostring(L, -1));
INT_PTR res = (INT_PTR)lua_tointeger(L, 1);
lua_pushinteger(L, res);
return res;
}
static int lua_CreateServiceFunction(lua_State *L)
{
const char *name = luaL_checkstring(L, 1);
if (!lua_isfunction(L, 2))
{
lua_pushlightuserdata(L, NULL);
return 1;
}
lua_pushvalue(L, 2);
int ref = luaL_ref(L, LUA_REGISTRYINDEX);
HANDLE res = ::CreateServiceFunctionObjParam(name, CreateServiceFunctionObjParam, L, ref);
lua_pushlightuserdata(L, res);
CMLua::Services.insert(res);
CMLua::ServiceRefs.insert(new HandleRefParam(L, res, ref));
return 1;
}
static int lua_DestroyServiceFunction(lua_State *L)
{
HANDLE hService = (HANDLE)lua_touserdata(L, 1);
CMLua::Services.remove(hService);
HandleRefParam *param = (HandleRefParam*)CMLua::ServiceRefs.find(hService);
if (param != NULL)
{
luaL_unref(param->L, LUA_REGISTRYINDEX, param->ref);
CMLua::ServiceRefs.remove(param);
delete param;
}
int res = ::DestroyServiceFunction(hService);
lua_pushinteger(L, res);
return 1;
}
static int lua_ServiceExists(lua_State *L)
{
const char *name = luaL_checkstring(L, 1);
int res = ::ServiceExists(name);
lua_pushboolean(L, res);
return 1;
}
static int lua_CallService(lua_State *L)
{
const char *name = luaL_checkstring(L, 1);
WPARAM wParam = luaM_towparam(L, 2);
LPARAM lParam = luaM_tolparam(L, 3);
INT_PTR res = ::CallService(name, wParam, lParam);
lua_pushinteger(L, res);
return 1;
}
static int lua_Utf8DecodeA(lua_State *L)
{
return luaM_toansi(L);
}
static int lua_Utf8DecodeW(lua_State *L)
{
return luaM_toucs2(L);
}
static int lua_Free(lua_State *L)
{
if (lua_type(L, 1) == LUA_TLIGHTUSERDATA)
{
void *ptr = lua_touserdata(L, 1);
mir_free(ptr);
}
return 0;
}
static int lua_Translate(lua_State *L)
{
char *what = (char*)luaL_checkstring(L, 1);
ptrT value(mir_utf8decodeT(what));
lua_pushstring(L, T2Utf(TranslateW_LP(value, hScriptsLangpack)));
return 1;
}
static int lua_ReplaceVariables(lua_State *L)
{
char *what = (char*)luaL_checkstring(L, 1);
ptrT value(mir_utf8decodeT(what));
lua_pushstring(L, T2Utf(VARST(value)));
return 1;
}
static int lua_GetFullPath(lua_State *L)
{
TCHAR path[MAX_PATH];
GetModuleFileName(NULL, path, MAX_PATH);
lua_pushstring(L, ptrA(mir_utf8encodeT(path)));
return 1;
}
luaL_Reg coreApi[] =
{
{ "CreateHookableEvent", lua_CreateHookableEvent },
{ "DestroyHookableEvent", lua_DestroyHookableEvent },
{ "NotifyEventHooks", lua_NotifyEventHooks },
{ "HookEvent", lua_HookEvent },
{ "UnhookEvent", lua_UnhookEvent },
{ "CreateServiceFunction", lua_CreateServiceFunction },
{ "DestroyServiceFunction", lua_DestroyServiceFunction },
{ "ServiceExists", lua_ServiceExists },
{ "CallService", lua_CallService },
{ "Utf8DecodeA", lua_Utf8DecodeA },
{ "Utf8DecodeW", lua_Utf8DecodeW },
{ "Free", lua_Free },
{ "Translate", lua_Translate },
{ "ReplaceVariables", lua_ReplaceVariables },
{ "GetFullPath", lua_GetFullPath },
{ "NULL", NULL },
{ "INVALID_HANDLE_VALUE", NULL },
{ NULL, NULL }
};
LUAMOD_API int luaopen_m(lua_State *L)
{
luaL_newlib(L, coreApi);
lua_pushlightuserdata(L, NULL);
lua_setfield(L, -2, "NULL");
lua_pushlightuserdata(L, INVALID_HANDLE_VALUE);
lua_setfield(L, -2, "INVALID_HANDLE_VALUE");
lua_setglobal(L, MLUA_CORE);
return 1;
}
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