void cPluginManager::FindPlugins(void)
{
AString PluginsPath = FILE_IO_PREFIX + AString( "Plugins/" );
// First get a clean list of only the currently running plugins, we don't want to mess those up
for (PluginMap::iterator itr = m_Plugins.begin(); itr != m_Plugins.end();)
{
if (itr->second == NULL)
{
PluginMap::iterator thiz = itr;
++thiz;
m_Plugins.erase( itr );
itr = thiz;
continue;
}
++itr;
}
AStringList Files = GetDirectoryContents(PluginsPath.c_str());
for (AStringList::const_iterator itr = Files.begin(); itr != Files.end(); ++itr)
{
if ((*itr == ".") || (*itr == "..") || (!cFile::IsFolder(PluginsPath + *itr)))
{
// We only want folders, and don't want "." or ".."
continue;
}
// Add plugin name/directory to the list
if (m_Plugins.find(*itr) == m_Plugins.end())
{
m_Plugins[*itr] = NULL;
}
}
}
bool cPlugin_NewLua::Initialize(void)
{
cCSLock Lock(m_CriticalSection);
if (m_LuaState == NULL)
{
m_LuaState = lua_open();
luaL_openlibs(m_LuaState);
tolua_AllToLua_open(m_LuaState);
ManualBindings::Bind(m_LuaState);
luaopen_lsqlite3(m_LuaState);
luaopen_lxp(m_LuaState);
// Inject the identification global variables into the state:
lua_pushlightuserdata(m_LuaState, this);
lua_setglobal(m_LuaState, LUA_PLUGIN_INSTANCE_VAR_NAME);
lua_pushstring(m_LuaState, GetName().c_str());
lua_setglobal(m_LuaState, LUA_PLUGIN_NAME_VAR_NAME);
}
std::string PluginPath = FILE_IO_PREFIX + GetLocalDirectory() + "/";
// Load all files for this plugin, and execute them
AStringList Files = GetDirectoryContents(PluginPath.c_str());
for (AStringList::const_iterator itr = Files.begin(); itr != Files.end(); ++itr)
{
if (itr->rfind(".lua") == AString::npos)
{
continue;
}
AString Path = PluginPath + *itr;
int s = luaL_loadfile(m_LuaState, Path.c_str() );
if( report_errors( m_LuaState, s ) )
{
LOGERROR("Can't load plugin %s because of an error in file %s", GetLocalDirectory().c_str(), Path.c_str() );
lua_close( m_LuaState );
m_LuaState = 0;
return false;
}
s = lua_pcall(m_LuaState, 0, LUA_MULTRET, 0);
if( report_errors( m_LuaState, s ) )
{
LOGERROR("Error in plugin %s in file %s", GetLocalDirectory().c_str(), Path.c_str() );
lua_close( m_LuaState );
m_LuaState = 0;
return false;
}
} // for itr - Files[]
// Call intialize function
if (!PushFunction("Initialize"))
{
lua_close( m_LuaState );
m_LuaState = 0;
return false;
}
tolua_pushusertype(m_LuaState, this, "cPlugin_NewLua");
if (!CallFunction(1, 1, "Initialize"))
{
lua_close( m_LuaState );
m_LuaState = 0;
return false;
}
if( !lua_isboolean( m_LuaState, -1 ) )
{
LOGWARN("Error in plugin %s Initialize() must return a boolean value!", GetLocalDirectory().c_str() );
lua_close( m_LuaState );
m_LuaState = 0;
return false;
}
bool bSuccess = (tolua_toboolean(m_LuaState, -1, 0) > 0);
return bSuccess;
}