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#include "stdafx.h"
CMLua::CMLua() : L(NULL)
{
Load();
}
CMLua::~CMLua()
{
Unload();
}
void CMLua::Load()
{
L = luaL_newstate();
luaL_openlibs(L);
lua_getglobal(L, "package");
lua_pushstring(L, "");
lua_setfield(L, -2, "path");
lua_pushstring(L, "");
lua_setfield(L, -2, "cpath");
lua_pop(L, 1);
LoadMirandaModules();
}
void CMLua::Unload()
{
if (L)
lua_close(L);
}
void CMLua::Reload()
{
/*lua_getglobal(L, "m");
lua_getfield(L, -1, "OnPreShutdown");
if (lua_isfunction(L, -1))
{
lua_pushlightuserdata(L, NULL);
lua_pushlightuserdata(L, NULL);
if (lua_pcall(L, 2, 1, 0))
printf("%s\n", lua_tostring(L, -1));
}
lua_pop(L, 1);*/
Unload();
Load();
/*lua_getglobal(L, "m");
lua_getfield(L, -1, "OnModulesLoaded");
if (lua_isfunction(L, -1))
{
lua_pushlightuserdata(L, NULL);
lua_pushlightuserdata(L, NULL);
if (lua_pcall(L, 2, 1, 0))
printf("%s\n", lua_tostring(L, -1));
}
lua_pop(L, 1);*/
}
void CMLua::LoadModule(const char *name, lua_CFunction loader)
{
luaL_getsubtable(L, LUA_REGISTRYINDEX, "_PRELOAD");
lua_pushcfunction(L, loader);
lua_setfield(L, -2, name);
lua_pop(L, 1);
}
void CMLua::LoadCoreModule()
{
luaL_newlib(L, coreLib);
lua_pushlightuserdata(L, NULL);
lua_setfield(L, -2, "NULL");
lua_setglobal(L, "m");
}
void CMLua::LoadMirandaModules()
{
LoadCoreModule();
LoadModule(MLUA_DATABASE, luaopen_m_database);
LoadModule(MLUA_ICOLIB, luaopen_m_icolib);
LoadModule(MLUA_GENMENU, luaopen_m_genmenu);
LoadModule(MLUA_MSGBUTTONSBAR, luaopen_m_msg_buttonsbar);
LoadModule(MLUA_POPUP, luaopen_m_popup);
LoadModule(MLUA_TOPTOOLBAR, luaopen_m_toptoolbar);
LoadModule(MLUA_VARIABLES, luaopen_m_variables);
}
void CMLua::AddScriptsPath(const char *path)
{
lua_getglobal(L, "package");
lua_getfield(L, -1, "path");
const char *oldPath = luaL_checkstring(L, -1);
lua_pop(L, 1);
lua_pushfstring(L, "%s;%s\\?.lua", oldPath, path);
lua_setfield(L, -2, "path");
lua_pop(L, 1);
}
void CMLua::LoadScript(const char *path)
{
if (luaL_dofile(L, path))
printf("%s\n", lua_tostring(L, -1));
}
WPARAM CMLua::GetWParam(lua_State *L, int idx)
{
WPARAM wParam = NULL;
switch (lua_type(L, idx))
{
case LUA_TBOOLEAN:
wParam = lua_toboolean(L, idx);
break;
case LUA_TNUMBER:
wParam = lua_tonumber(L, idx);
break;
case LUA_TSTRING:
wParam = (LPARAM)mir_utf8decode((char*)lua_tostring(L, idx), NULL);
break;
case LUA_TUSERDATA:
wParam = (WPARAM)lua_touserdata(L, idx);
break;
}
return wParam;
}
LPARAM CMLua::GetLParam(lua_State *L, int idx)
{
LPARAM lParam = NULL;
switch (lua_type(L, idx))
{
case LUA_TBOOLEAN:
lParam = lua_toboolean(L, idx);
break;
case LUA_TNUMBER:
lParam = lua_tonumber(L, idx);
break;
case LUA_TSTRING:
lParam = (LPARAM)mir_utf8decode((char*)lua_tostring(L, idx), NULL);
break;
case LUA_TUSERDATA:
lParam = (LPARAM)lua_touserdata(L, idx);
break;
}
return lParam;
}
int CMLua::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_pushnumber(L, wParam);
lua_pushnumber(L, lParam);
if (lua_pcall(L, 2, 1, 0))
printf("%s\n", lua_tostring(L, -1));
int res = (int)lua_tointeger(L, 1);
//luaL_unref(L, LUA_REGISTRYINDEX, ref);
return res;
}
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