/home/fwph/code/wurde/modules/teleop/xmlparser.cpp

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#include <xercesc/util/PlatformUtils.hpp>
#include <xercesc/dom/DOM.hpp>
#include <xercesc/parsers/XercesDOMParser.hpp>
#include <xercesc/util/XMLChar.hpp>
#include <string>
#include <iostream>
#include <Logger.H>
#include <WURDEConfiguration.H>
#include "GameController.H"

// Other include files, declarations, and non-Xerces-C++ initializations.
XERCES_CPP_NAMESPACE_USE 

using namespace WURDE;
using namespace std;
       
void configureJoystick(std::string config, GameController &joystick){

       try {
              XMLPlatformUtils::Initialize();
       }
       catch (const XMLException& toCatch) {          
              cout << "Something went wrong.\n";
              return;
       }
       
       //this is all startup stuff for Xerces.we may not actually be validating now. should check on that.
       static const XMLCh gLS[] = { chLatin_L, chLatin_S, chNull };
       DOMImplementation *impl = DOMImplementationRegistry::getDOMImplementation(gLS);
       DOMBuilder        *parser = ((DOMImplementationLS*)impl)->createDOMBuilder(DOMImplementationLS::MODE_SYNCHRONOUS, 0);
       XERCES_CPP_NAMESPACE_QUALIFIER DOMDocument *doc = 0;
       DOMElement *root;
       DOMNode *curr,*name,*child, *item;
       DOMNodeList *theNodes,*children;
       DOMNamedNodeMap *attr;
       
       doc = parser->parseURI(config.c_str());
              if(!doc){
                     g_logfatal << "Config file " << config.c_str() << " not found!"<< endl;
                     exit(1);
              }

       root=doc->getDocumentElement();
       if(!root){
               g_logfatal << "Unable to parse the config file for some reason. Make sure the file is well-formed. Exiting. " << endl;
               exit(1);
       }
       //now the code
       string currentname, temp;
       
       //make sure we've got an mcp-config section
       temp=XMLString::transcode(root->getTagName());
       if(temp!="joystick-config"){
              cout << temp << " is not a proper joystick-config file.\n";
              exit(1);
       }
       
       //get the module nodes
       theNodes=doc->getElementsByTagName(XMLString::transcode("joystick"));
              
       for(unsigned int i=0;i<theNodes->getLength();i++){
              string id;
              
              curr=theNodes->item(i);
              attr=curr->getAttributes();
              
              name=attr->getNamedItem(XMLString::transcode("name"));
              currentname=XMLString::transcode(name->getNodeValue());

              if(currentname!=joystick.name()){
                     continue;
              }
              
              children=curr->getChildNodes();
              
              for(unsigned int j=0;j<children->getLength();j++){
                     string tmpstring;
                     
                     child=children->item(j);           
                     temp=XMLString::transcode(child->getNodeName());     
                     
                     if(temp=="axis"){
                            string axisid,axisname;
                            attr=child->getAttributes();
                            
                            item=attr->getNamedItem(XMLString::transcode("id"));
                            axisid=XMLString::transcode(item->getNodeValue());
                            
                            item=attr->getNamedItem(XMLString::transcode("name"));
                            axisname=XMLString::transcode(item->getNodeValue());
                            
                            joystick.setAxisMap(strtol(axisid.c_str(),NULL,10),axisname);
                     }else if(temp=="button"){
                            string buttonid,buttonname;
                            attr=child->getAttributes();
                            
                            item=attr->getNamedItem(XMLString::transcode("id"));
                            buttonid=XMLString::transcode(item->getNodeValue());
                            
                            item=attr->getNamedItem(XMLString::transcode("name"));
                            buttonname=XMLString::transcode(item->getNodeValue());
                            
                            joystick.setButtonMap(strtol(buttonid.c_str(),NULL,10),buttonname);
                     }
              }
              
       }
       
       
       XMLPlatformUtils::Terminate();
       
}

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