我想从TinyXml输出中解析一组元素.本质上,我需要选择端口元素的“portid”属性,该端口的状态为“open”(如下面的端口23所示).
<?xml version="1.0" ?> <nmaprun> <host> <ports> <port protocol="tcp" portid="22"> <state state="filtered"/> </port> <port protocol="tcp" portid="23"> <state state="open "/> </port> <port protocol="tcp" portid="24"> <state state="filtered" /> </port> <port protocol="tcp" portid="25"> <state state="filtered" /> </port> <port protocol="tcp" portid="80"> <state state="filtered" /> </port> </ports> </host> </nmaprun>
解决方法
这将大致如下:
tixmlHandle docHandle( &doc ); tixmlElement* child = docHandle.FirstChild( "nmaprun" ).FirstChild( "host" ).FirstChild( "ports" ).FirstChild( "port" ).toElement(); int port; string state; for( child; child; child=child->NextSiblingElement() ) { port = atoi(child->Attribute( "portid")); tixmlElement* state_el = child->FirstChild()->toElement(); state = state_el->Attribute( "state" ); if ("filtered" == state) cout << "port: " << port << " is filtered! " << endl; else cout << "port: " << port << " is unfiltered! " << endl; }
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