function createObjTree()

in modules/util/jxon.js [22:91]
55 lines of code
32 McCabe index (conditional complexity)

  function createObjTree (oParentNode, nVerb, bFreeze, bNesteAttr) {
    var
      nLevelStart = aCache.length, bChildren = oParentNode.hasChildNodes(),
      bAttributes = oParentNode.hasAttributes(), bHighVerb = Boolean(nVerb & 2);

    var
      sProp, vContent, nLength = 0, sCollectedTxt = '',
      vResult = bHighVerb ? {} : /* put here the default value for empty nodes: */ true;

    if (bChildren) {
      for (var oNode, nItem = 0; nItem < oParentNode.childNodes.length; nItem++) {
        oNode = oParentNode.childNodes.item(nItem);
        if (oNode.nodeType === 4) {
            /* nodeType is 'CDATASection' (4) */
            sCollectedTxt += oNode.nodeValue;
        } else if (oNode.nodeType === 3) {
            /* nodeType is 'Text' (3) */
            sCollectedTxt += oNode.nodeValue.trim();
        } else if (oNode.nodeType === 1 && !oNode.prefix) {
            /* nodeType is 'Element' (1) */
            aCache.push(oNode);
        }
      }
    }

    var nLevelEnd = aCache.length, vBuiltVal = parseText(sCollectedTxt);

    if (!bHighVerb && (bChildren || bAttributes)) { vResult = nVerb === 0 ? objectify(vBuiltVal) : {}; }

    for (var nElId = nLevelStart; nElId < nLevelEnd; nElId++) {
      sProp = aCache[nElId].nodeName.toLowerCase();
      vContent = createObjTree(aCache[nElId], nVerb, bFreeze, bNesteAttr);
      if (vResult.hasOwnProperty(sProp)) {
        if (vResult[sProp].constructor !== Array) { vResult[sProp] = [vResult[sProp]]; }
        vResult[sProp].push(vContent);
      } else {
        vResult[sProp] = vContent;
        nLength++;
      }
    }

    if (bAttributes) {
      var
        nAttrLen = oParentNode.attributes.length,
        sAPrefix = bNesteAttr ? '' : sAttrPref, oAttrParent = bNesteAttr ? {} : vResult;

      for (var oAttrib, nAttrib = 0; nAttrib < nAttrLen; nLength++, nAttrib++) {
        oAttrib = oParentNode.attributes.item(nAttrib);
        oAttrParent[sAPrefix + oAttrib.name.toLowerCase()] = parseText(oAttrib.value.trim());
      }

      if (bNesteAttr) {
        if (bFreeze) { Object.freeze(oAttrParent); }
        vResult[sAttributesProp] = oAttrParent;
        nLength -= nAttrLen - 1;
      }
    }

    if (nVerb === 3 || (nVerb === 2 || nVerb === 1 && nLength > 0) && sCollectedTxt) {
      vResult[sValueProp] = vBuiltVal;
    } else if (!bHighVerb && nLength === 0 && sCollectedTxt) {
      vResult = vBuiltVal;
    }

    if (bFreeze && (bHighVerb || nLength > 0)) { Object.freeze(vResult); }

    aCache.length = nLevelStart;

    return vResult;
  }