// JavaScript Document: xmlExporter.js

// Script Name: XML Exporter

// Description: Script per esportare in XML o JSON dei dati da un file Anac XML

// Author: Enzo Costantini (SoftCos)

// Author URI: www.softcos.eu 

//

function xmlExport(Sender, b64XmlStr, type, filterRows) {

  if (!Sender || (b64XmlStr == '')) {

    return false;

  }

  if (!filterRows) {

    filterRows = [];

  }

  type = type.trim();

  var Exts = 'json xml';

  if (Exts.indexOf(type) < 0) {

    type = 'json';

  }



  var XmlStr = Base64.decode(b64XmlStr);

  if (XmlStr == '') {

    return false;

  }



  var xmlDoc = createXmlDoc(XmlStr);

  if (!xmlDoc) {

    return false;

  }



  var iNodeList = xmlDoc.getElementsByTagName("lotto");

    

  var annoRiferimento = xmlDoc.documentElement.getElementsByTagName('annoRiferimento')[0].childNodes[0].nodeValue; 

  var urlFile = xmlDoc.documentElement.getElementsByTagName('urlFile')[0].childNodes[0].nodeValue;



  var xmlDocDest = createXmlDoc('<DatiLegge190/>');

  if (xmlDocDest) {

    appendTextNode(xmlDocDest, xmlDocDest.documentElement, "annoRiferimento", annoRiferimento);

    appendTextNode(xmlDocDest, xmlDocDest.documentElement, "urlFile", urlFile);

    appendTextNode(xmlDocDest, xmlDocDest.documentElement, "dataEsportazione", new Date().toJSON());

    appendTextNode(xmlDocDest, xmlDocDest.documentElement, "numeroLotti", filterRows.length);

    var iRoot = appendTextNode(xmlDocDest, xmlDocDest.documentElement, "lotti");



    for (var i = 0; i < filterRows.length; i++) {

      iNode = iNodeList[filterRows[i]].cloneNode(true);

      iRoot.appendChild(iNode);

    }

    

    if (type == 'xml') {

      var xml_data = new XMLSerializer().serializeToString(xmlDocDest);

      xml_data = '<?xml version="1.0" encoding="utf-8" standalone="yes"?>' + xml_data;

      xml_data = formatXML(xml_data);

      var base64data = "base64," + Base64.encode(xml_data);

      Sender.href = 'data:application/xml;' + base64data;

      return true;

    } else if (type == 'json') {

      json_data = formatJSON(xml2json(xmlDocDest, ''));

      var base64data = "base64," + Base64.encode(json_data);

      Sender.href = 'data:application/json;' + base64data;

      return true;

    }  

  } 

  return false;

}



function createXmlDoc(_XmlStr){

  var xmlDoc;

  if (window.DOMParser)

  {

    parser = new window.DOMParser();

    xmlDoc = parser.parseFromString(_XmlStr,"application/xml");

    return xmlDoc;

  }

  else 

  {

    xmlDoc = new window.ActiveXObject("Microsoft.XMLDOM");

    xmlDoc.async = false;

    xmlDoc.loadXML(_XmlStr);

    return xmlDoc;

  }

  return null;

}



function appendTextNode(iDoc, iParent, nodeName, nodeText){

  var iNode = iDoc.createElement(nodeName);

  if(nodeText){

    var iText = iDoc.createTextNode(nodeText);

    iNode.appendChild(iText);

  }

  iParent.appendChild(iNode);

  return iNode;

}



function formatXML(xmlStr, r) {

    var r = r ? r : '  ';

    var formatted = '';

    var reg = /(>)(<)(\/*)/g;

    xmlStr = xmlStr.replace(reg, '$1\r\n$2$3');

    var pad = 0;

    var xmlArray = xmlStr.split('\r\n'); 

    for(index = 0; index < xmlArray.length; index++){

      var node = xmlArray[index];

      var indent = 0;

      if (node.match( /.+<\/\w[^>]*>$/ )) {

            indent = 0;

        } else if (node.match( /^<\/\w/ )) {

            if (pad != 0) {

                pad -= 1;

            }

        } else if (node.match( /^<\w[^>]*[^\/]>.*$/ )) {

            indent = 1;

        } else {

            indent = 0;

        }

        var padding = '';

        for (var i = 0; i < pad; i++) {

            padding += r;

        }

        formatted += padding + node + '\r\n';

        pad += indent;    

    }

  return formatted;

}



function formatJSON(text, step) {

  var step = step ? step : '  ';

  if (typeof JSON === 'undefined') return text;

  if (typeof text === "string") return JSON.stringify(JSON.parse(text), null, step);

  if (typeof text === "object") return JSON.stringify(text, null, step);

  return text;

}



function xml2json(e,n){var t={toObj:function(e){var n={};if(1==e.nodeType){if(e.attributes.length)for(var i=0;i<e.attributes.length;i++)n["@"+e.attributes[i].nodeName]=(e.attributes[i].nodeValue||"").toString();if(e.firstChild){for(var r=0,o=0,a=!1,l=e.firstChild;l;l=l.nextSibling)1==l.nodeType?a=!0:3==l.nodeType&&l.nodeValue.match(/[^ \f\n\r\t\v]/)?r++:4==l.nodeType&&o++;if(a)if(2>r&&2>o){t.removeWhite(e);for(var l=e.firstChild;l;l=l.nextSibling)3==l.nodeType?n["#text"]=t.escape(l.nodeValue):4==l.nodeType?n["#cdata"]=t.escape(l.nodeValue):n[l.nodeName]?n[l.nodeName]instanceof Array?n[l.nodeName][n[l.nodeName].length]=t.toObj(l):n[l.nodeName]=[n[l.nodeName],t.toObj(l)]:n[l.nodeName]=t.toObj(l)}else e.attributes.length?n["#text"]=t.escape(t.innerXml(e)):n=t.escape(t.innerXml(e));else if(r)e.attributes.length?n["#text"]=t.escape(t.innerXml(e)):n=t.escape(t.innerXml(e));else if(o)if(o>1)n=t.escape(t.innerXml(e));else for(var l=e.firstChild;l;l=l.nextSibling)n["#cdata"]=t.escape(l.nodeValue)}e.attributes.length||e.firstChild||(n=null)}else 9==e.nodeType?n=t.toObj(e.documentElement):alert("unhandled node type: "+e.nodeType);return n},toJson:function(e,n,i){var r=n?'"'+n+'"':"";if(e instanceof Array){for(var o=0,a=e.length;a>o;o++)e[o]=t.toJson(e[o],"",i+"	");r+=(n?":[":"[")+(e.length>1?"\n"+i+"	"+e.join(",\n"+i+"	")+"\n"+i:e.join(""))+"]"}else if(null==e)r+=(n&&":")+"null";else if("object"==typeof e){var l=[];for(var d in e)l[l.length]=t.toJson(e[d],d,i+"	");r+=(n?":{":"{")+(l.length>1?"\n"+i+"	"+l.join(",\n"+i+"	")+"\n"+i:l.join(""))+"}"}else r+="string"==typeof e?(n&&":")+'"'+e.toString()+'"':(n&&":")+e.toString();return r},innerXml:function(e){var n="";if("innerHTML"in e)n=e.innerHTML;else for(var t=function(e){var n="";if(1==e.nodeType){n+="<"+e.nodeName;for(var i=0;i<e.attributes.length;i++)n+=" "+e.attributes[i].nodeName+'="'+(e.attributes[i].nodeValue||"").toString()+'"';if(e.firstChild){n+=">";for(var r=e.firstChild;r;r=r.nextSibling)n+=t(r);n+="</"+e.nodeName+">"}else n+="/>"}else 3==e.nodeType?n+=e.nodeValue:4==e.nodeType&&(n+="<![CDATA["+e.nodeValue+"]]>");return n},i=e.firstChild;i;i=i.nextSibling)n+=t(i);return n},escape:function(e){return e.replace(/[\\]/g,"\\\\").replace(/[\"]/g,'\\"').replace(/[\n]/g,"\\n").replace(/[\r]/g,"\\r")},removeWhite:function(e){e.normalize();for(var n=e.firstChild;n;)if(3==n.nodeType)if(n.nodeValue.match(/[^ \f\n\r\t\v]/))n=n.nextSibling;else{var i=n.nextSibling;e.removeChild(n),n=i}else 1==n.nodeType?(t.removeWhite(n),n=n.nextSibling):n=n.nextSibling;return e}};9==e.nodeType&&(e=e.documentElement);var i=t.toJson(t.toObj(t.removeWhite(e)),e.nodeName,"	");return"{\n"+n+(n?i.replace(/\t/g,n):i.replace(/\t|\n/g,""))+"\n}"}