Method ReadButtons

cpp/src/Driver.cpp:6512–6608

----------------------------------------------------------------------------- Read button info per node from file. -----------------------------------------------------------------------------

// Read button info per node from file.
//-----------------------------------------------------------------------------
void Driver::ReadButtons
(
		uint8 const _nodeId
)
{
	int32 intVal;
	int32 nodeId;
	int32 buttonId;
	char const* str;

	// Load the XML document that contains the driver configuration
	string userPath;
	Options::Get()->GetOptionAsString( "UserPath", &userPath );

	string filename =  userPath + "zwbutton.xml";

	TiXmlDocument doc;
	if( !doc.LoadFile( filename.c_str(), TIXML_ENCODING_UTF8 ) )
	{
		Log::Write( LogLevel_Debug, "Driver::ReadButtons - zwbutton.xml file not found.");
		return;
	}
	doc.SetUserData((void *)filename.c_str());
	TiXmlElement const* nodesElement = doc.RootElement();
	str = nodesElement->Value();
	if( str && strcmp( str, "Nodes" ))
	{
		Log::Write( LogLevel_Warning, "WARNING: Driver::ReadButtons - zwbutton.xml is malformed");
		return;
	}

	// Version
	if( TIXML_SUCCESS == nodesElement->QueryIntAttribute( "version", &intVal ) )
	{
		if( (uint32)intVal != 1 )
		{
			Log::Write( LogLevel_Info, "Driver::ReadButtons - %s is from an older version of OpenZWave and cannot be loaded.", "zwbutton.xml" );
			return;
		}
	}
	else
	{
		Log::Write( LogLevel_Warning, "WARNING: Driver::ReadButtons - zwbutton.xml is from an older version of OpenZWave and cannot be loaded." );
		return;
	}

	TiXmlElement const* nodeElement = nodesElement->FirstChildElement();
	while( nodeElement )
	{
		str = nodeElement->Value();
		if( str && !strcmp( str, "Node" ))
		{
			Node* node = NULL;
			if( TIXML_SUCCESS == nodeElement->QueryIntAttribute( "id", &intVal ) )
			{
				if( _nodeId == intVal )
				{
					node = GetNodeUnsafe( intVal );