Big-Data-HPC-Platform/deployment/deployutils/deployutils.cpp

/*##############################################################################

    Copyright (C) 2011 HPCC Systems.

    All rights reserved. This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU Affero General Public License as
    published by the Free Software Foundation, either version 3 of the
    License, or (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU Affero General Public License for more details.

    You should have received a copy of the GNU Affero General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
############################################################################## */
// DeployUtils.cpp : Defines the exported functions for the DLL application.
//
#include "deployutils.hpp"
#include "XMLTags.h"
#include "jliball.hpp"
#include "buildset.hpp"
#include "computerpicker.hpp"
#include "configenvhelper.hpp"
#include "configengcallback.hpp"
#include "xslprocessor.hpp"
#include "jwrapper.hpp"
#include "wizardInputs.hpp"
#include "build-config.h"

#define TRACE_SCHEMA_NODE(msg, schemaNode)

#define CONFIGMGR_JSPATH "./"
#define STANDARD_COMPFILESDIR INSTALL_DIR

#define STANDARD_CONFIGXMLDIR COMPONENTFILES_DIR"/configxml"

static bool schemaNodeHasAttributes(IPropertyTree* pNode)
{
  //skip over xs:complexType, if any
  IPropertyTree* pTemp = pNode->queryPropTree(XSD_TAG_COMPLEX_TYPE);
  if (pTemp)
    pNode = pTemp;

  Owned<IPropertyTreeIterator> itAttr = pNode->getElements(XSD_TAG_ATTRIBUTE);
  return itAttr  ->first() && itAttr  ->isValid();
}

static bool schemaNodeHasAttributeGroups(IPropertyTree* pNode)
{
  //skip over xs:complexType, if any
  IPropertyTree* pTemp = pNode->queryPropTree(XSD_TAG_COMPLEX_TYPE);
  if (pTemp)
    pNode = pTemp;

  Owned<IPropertyTreeIterator> itAttrGr = pNode->getElements(XSD_TAG_ATTRIBUTE_GROUP);
  return itAttrGr->first() && itAttrGr->isValid();
}

bool writeToFile(const char* fileName, StringBuffer sb)
{
  StringBuffer jsName(fileName);
  recursiveCreateDirectoryForFile(fileName);
  Owned<IFile> pFile = createIFile(jsName);
  Owned<IFileIO> pFileIO = pFile->open(IFOcreaterw);
  pFileIO->write(0, sb.length(), sb.str());

  return true;
}

//check if this has any child elements - returns first element
IPropertyTree* schemaNodeHasElements(IPropertyTree* pNode)
{
  //skip over xs:complexType, if any
  IPropertyTree* pTemp = pNode->queryPropTree(XSD_TAG_COMPLEX_TYPE);
  if (pTemp)
    pNode = pTemp;

  //skip over xs:sequence, if any
  pTemp = pNode->queryPropTree(XSD_TAG_SEQUENCE);
  if (pTemp)
    pNode = pTemp;
  else
  {
    pTemp = pNode->queryPropTree(XSD_TAG_CHOICE);
    if (pTemp)
      pNode = pTemp;
  }

  Owned<IPropertyTreeIterator> it = pNode->getElements(XSD_TAG_ELEMENT);
  if (it->first() && it->isValid())
    pTemp = &it->query();
  else
    pTemp = NULL;

  return pTemp;
}

const char* getRealTabName(const char* tabName)
{
  if (!strcmp(tabName, XML_TAG_INSTANCE))
    return XML_TAG_INSTANCES;
  else if (!strcmp(tabName, XML_TAG_DOMAIN))
    return "Domains";
  else if (!strcmp(tabName, TAG_COMPUTERTYPE))
    return "Type";
  else if (!strcmp(tabName, XML_TAG_COMPUTERTYPE))
    return "Computer Types";
  else if (!strcmp(tabName, XML_TAG_COMPUTER))
    return "Computers";
  else if (!strcmp(tabName, XML_TAG_SWITCH))
    return "Switches";
  else
    return tabName;
}

//Gets the list of installed components by looking at the directories
void getInstalledComponents(const char* pszInstallDir, StringBuffer& sbOutComps, StringBuffer& sbOutEspServices, StringBuffer& sbOutPlugins, const IPropertyTree* pEnv)
{
  StringBuffer sbDir;
  sbOutComps.clear();
  sbOutEspServices.clear();
  sbOutPlugins.clear();
  if (pszInstallDir && *pszInstallDir)
    sbDir.append(pszInstallDir);
  else
    sbDir.append(COMPONENTFILES_DIR"/configxml");

  bool getFromDirs = false;
  if (getFromDirs)
  {
    Owned<IFile> inFiles = NULL;

    try
    {
      inFiles.setown(createIFile(sbDir.str()));
      if(!inFiles->exists())
      {
        printf("Input directory %s does not exist", sbDir.str());
        return;
      }
    }
    catch(IException* e)
    {
      StringBuffer errmsg;
      e->errorMessage(errmsg);
      printf("Error when trying to access source directory.Error: %s ", errmsg.str());
      e->Release();
      return;
    }

    if(inFiles.get() != NULL && inFiles->isDirectory())
    {
      Owned<IDirectoryIterator> di = inFiles->directoryFiles(NULL, 0, true);
      bool bCompFound = false;
      StringBuffer dirName, compName, fileName;

      if(di.get())
      {
        ForEach(*di)
        {
          IFile &file = di->query();

          if (!file.isFile())
          {
            dirName.clear();
            di->getName(dirName);

            compName.clear().append(dirName);
            Owned<IFile> dirFiles = NULL;
            dirName.clear().append(sbDir);
            if(dirName.charAt(dirName.length() - 1) != PATHSEPCHAR)
              dirName.append(PATHSEPCHAR);
            dirName.append(compName);

            fileName.clear().append(dirName).append(PATHSEPCHAR).append("deploy_map.xml");
            Owned<IFile> depfile(createIFile(fileName));
            if(depfile->exists())
            {
              Owned<IPropertyTree> pInstallSet = createPTreeFromXMLFile(fileName);
              const char* szDeployable = pInstallSet->queryProp("@deployable");
              const char* szProcessName = pInstallSet->queryProp("@processName");
              if (!szDeployable || strcmp(szDeployable, "no"))
              {
                const char* szOveride = pInstallSet->queryProp("@overide");
                if(!szOveride || strcmp(szOveride, "no") !=0 )
                {
                  if (sbOutComps.length())
                    sbOutComps.append(",");
                  sbOutComps.append("'").append(compName).append("'");
                }
              }
              else if (!strcmp(szProcessName, XML_TAG_ESPSERVICE))
              {
                if (sbOutEspServices.length())
                  sbOutEspServices.append(",");
                sbOutEspServices.append("'").append(compName).append("'");
              }
              else if (!strcmp(szProcessName, XML_TAG_PLUGINPROCESS))
              {
                if (sbOutPlugins.length())
                  sbOutPlugins.append(",");
                sbOutPlugins.append("'").append(compName).append("'");
              }
            }
            else
            {
              if (!strcmp(compName.str(), "plugins"))
              {
                StringBuffer sb;
                getInstalledComponents(dirName.str(), sb, sb, sbOutPlugins, pEnv);
              }
            }
          }
        }
      }
    }
  }
  else
  {
    Owned<IPropertyTreeIterator> iter = pEnv->getElements("Programs/Build[1]/*");
    ForEach(*iter)
    {
      IPropertyTree* pBuildSet = &iter->query();
      const char* szName = pBuildSet->queryProp(XML_ATTR_NAME);
      const char* szProcessName = pBuildSet->queryProp(XML_ATTR_PROCESS_NAME);

      if (szProcessName && !strcmp(szProcessName, XML_TAG_ESPSERVICE))
      {
        if (sbOutEspServices.length())
          sbOutEspServices.append(",");
        sbOutEspServices.append("'").append(szName).append("'");
      }
      else if (szProcessName && !strcmp(szProcessName, XML_TAG_PLUGINPROCESS))
      {
        if (sbOutPlugins.length())
          sbOutPlugins.append(",");
        sbOutPlugins.append("'").append(szName).append("'");
      }
      else 
      { 
        if (!szName && !*szName)
          continue;

        const char* szOveride = pBuildSet->queryProp("@overide");
        if(!szOveride || strcmp(szOveride, "no") !=0 )
        {
           if (sbOutComps.length())
              sbOutComps.append(",");
           sbOutComps.append("'").append(szName).append("'");
        }
      }
    }
  }
}

void LoadComboBox(const char* szPath, bool bAddBlank, const IPropertyTree* pNode, const IPropertyTree* pParentNode, StringBuffer& sbComboBox, bool appendParentName = false, bool addDeclStart = true, bool addDeclEnd = true)
{
  if (addDeclStart)
    sbComboBox.append("new Array(");

  if (bAddBlank) 
    sbComboBox.append("''");

  const char* buildSet = NULL;
  if (!strncmp(szPath, "$process", 8))
  {
    szPath += strlen("$process");
    if (*szPath == '\0')
    {
      const char* szName = pNode->queryProp(XML_ATTR_NAME);
      if (szName && *szName)
      {
        if (bAddBlank)
          sbComboBox.append(",");
        sbComboBox.appendf("'%s'", szName);
      }
      return;
    }
    szPath++; //skip over '/'
  }
  else
  {
    if (pParentNode && !strcmp(szPath, "Programs/Build"))
      buildSet = pParentNode->queryProp(XML_ATTR_BUILDSET);
  }

  Owned<IPropertyTreeIterator> iter = pNode->getElements(szPath);
  ForEach(*iter)
  {
    IPropertyTree* pChildNode = &iter->query();
    const char* szName = pChildNode->queryProp(XML_ATTR_NAME);

    if (szName)
    {
      bool bAdd;
      if (buildSet)
      {
        StringBuffer xpath;
        xpath.appendf("BuildSet[@name='%s']", buildSet);
        bAdd = pChildNode->queryPropTree(xpath.str()) != NULL;
      }
      else
        bAdd = true;

      if (bAdd) 
      {
        if (sbComboBox.length() > 10)
          sbComboBox.append(",");
        
        if (!appendParentName)
          sbComboBox.appendf("'%s'", szName);
        else
          sbComboBox.appendf("'%s/%s'", pParentNode->queryProp(XML_ATTR_NAME), szName);
      }
    }
  }

  if (addDeclEnd)
    sbComboBox.append(")");
}

void addItem(StringBuffer& jsStrBuf, 
             const IPropertyTree* pEnv, 
             const char* tabName, 
             const char* attrName, 
             const char* tip, 
             bool hidden, 
             bool required, 
             const char* extra, 
             short ctrlType)
{
  StringBuffer sbAttr("Attributes");

  jsStrBuf.appendf("var attr%s%s = {};", attrName, tabName);
  jsStrBuf.appendf("attr%s%s.tab = '%s';", attrName, tabName, *tabName ? getRealTabName(tabName): sbAttr.str());
  jsStrBuf.appendf("attr%s%s.tip = '%s';", attrName, tabName, tip);
  jsStrBuf.appendf("attr%s%s.hidden = %d;", attrName, tabName, hidden);
  jsStrBuf.appendf("attr%s%s.required = 1;", attrName, tabName);
  jsStrBuf.appendf("attr%s%s.ctrlType = %d;", attrName, tabName, ctrlType);
  jsStrBuf.appendf("cS['%s%s']=attr%s%s;", attrName, tabName, attrName, tabName);

  StringBuffer sb;

  if (ctrlType == 4)
  {
    if (extra[0] != '|')
      LoadComboBox(extra, false, pEnv, pEnv, sb);
    else 
      sb.append(++extra);

    jsStrBuf.appendf("attr%s%s.extra = %s;", attrName, tabName, sb.str());
  }
}

void addTopologyType(StringBuffer& jsStrBuf, const IPropertyTree* pEnv, const char* tabName, const char* attrName, const char* tip, bool hidden, bool required, const char* extra, short ctrlType)
{
  jsStrBuf.appendf("var attr%s%s = {};", attrName, tabName);
  jsStrBuf.appendf("attr%s%s.tab = '%s';", attrName, tabName, "Topology");
  jsStrBuf.appendf("attr%s%s.tip = '%s';", attrName, tabName, tip);
  jsStrBuf.appendf("attr%s%s.hidden = %d;", attrName, tabName, hidden);
  jsStrBuf.appendf("attr%s%s.required = 1;", attrName, tabName);
  jsStrBuf.appendf("attr%s%s.ctrlType = %d;", attrName, tabName, ctrlType);
  jsStrBuf.appendf("cS['%s%s']=attr%s%s;", attrName, tabName, attrName, tabName);

  StringBuffer sb;

  if (!strcmp(attrName, TAG_BUILD))
  {
    sb.append("new Array(");
    Owned<IPropertyTreeIterator> iBuild = pEnv->getElements("Programs/Build[@name]");
    ForEach (*iBuild)
    {
      IPropertyTree* pBuild = &iBuild->query();

      if (pBuild->queryPropTree("BuildSet[@name='topology']"))
      {
        const char* szName = pBuild->queryProp(XML_ATTR_NAME);

        if (szName && *szName) 
        {
          if (sb.length() > 10)
            sb.append(",");
          sb.appendf("'%s'", szName);
        }
      }
    }

    sb.append(")");
    jsStrBuf.appendf("attr%s%s.extra = %s;", attrName, tabName, sb.str());
  }
  else if (ctrlType == 4)
  {
    if (extra[0] != '|')
      LoadComboBox(extra, false, pEnv, pEnv, sb);
    else 
      sb.append(++extra);

    jsStrBuf.appendf("attr%s%s.extra = %s;", attrName, tabName, sb.str());
  }
}

const char* GetDisplayProcessName(const char* processName, char* buf)
{
  //produces "LDAPServerProcess" as "LDAP Server" and "EspService" as "Esp Service", etc.
  const char* begin = buf;
  const char* end = strstr(processName, "Process");
  if (!end)
    end = processName + strlen(processName);

  *buf++ = *processName++;
  bool bLower = false;

  while (processName < end)
  {
    char ch = *processName;
    if (isupper(ch))
    {
      if (bLower || //last char was uppercase or the following character is lowercase?
        ((processName+1 < end) && islower(*(processName+1))))
      {
        *buf++ = ' ';
      }

      bLower = false;
    }
    else
      bLower = true;

    *buf++ = *processName++;
  }
  *buf = '\0';
  return begin;
}

void GetDisplayName(IPropertyTree* pNode, StringBuffer& sb, bool bAppendProcessName)
{
  // Get the display name for the node
  // Use szBuf because CString was too slow when loading a large tree
  static char szBuf[128];
  size32_t cnt = sizeof(szBuf);
  GetDisplayProcessName(pNode->queryName(), szBuf);

  const char* szName = pNode->queryProp(XML_ATTR_NAME);
  if (!szName || !*szName) 
    szName = pNode->queryProp(XML_ATTR_PROCESS);

  if (bAppendProcessName)
  {
    if (szName && *szName)
    {
      cnt -= strlen(szName);
      strncat(szBuf, " - ", cnt);
      strncat(szBuf, szName, cnt - 3); 
    }

    sb.clear().append(szBuf);
  }
  else
    sb.clear().append(szName);

}

class CGenerateJSFromXSD
{
public:
  CGenerateJSFromXSD(const IPropertyTree* pEnv, const char* xsdName, const char* jsName):
      m_xsdName(xsdName), m_jsName(jsName), m_pCompTree(NULL), m_pSchemaRoot(NULL),m_pDefTree(NULL),m_numAttrs(0),m_allSubTypes(true),m_genOptional(true)
      {
        m_pEnv.set(pEnv);
        m_colIndex.append("var colIndex = new Array();");
        m_columns.append("var tabCols = new Array();");
      }
      CGenerateJSFromXSD(const IPropertyTree* pEnv, IPropertyTree* pSchemaRoot, const char* jsName, const char* compName):
      m_pSchemaRoot(pSchemaRoot), m_jsName(jsName), m_compName(compName),m_pCompTree(NULL), m_pDefTree(NULL),m_numAttrs(0),m_allSubTypes(true),m_wizFlag(false),m_wizard(NULL),m_genOptional(true)
      {
        m_pEnv.set(pEnv);
        m_colIndex.append("var colIndex = new Array();");
        m_columns.append("var tabCols = new Array();");
      }

      void setNameInCompTabArray(const char* tabName, const char* nodeName)
      {
        if (m_tabNameArray.find(tabName) == NotFound)
        {
          m_tabNameArray.append(tabName);
          m_jsStrBuf.appendf("compTabs['%s'][compTabs['%s'].length]= '%s';", m_compName.str(), m_compName.str(), tabName);
          if (nodeName && *nodeName)
            m_jsStrBuf.appendf("compTabToNode['%s'] = '%s';", tabName, nodeName);
          m_columns.appendf("tabCols['%s'] = new Array();", tabName);
        }
      }

      void setNameInHiddenTabArray(const char* tabName)
      {
        if (m_hiddenTabNameArray.find(tabName) == NotFound)
        {
          m_hiddenTabNameArray.append(tabName);
          m_jsStrBuf.appendf("hiddenTabs['%s'][hiddenTabs['%s'].length]= '%s';", m_compName.str(), m_compName.str(), tabName);
        }
      }

      void addRoxieMisc(StringBuffer& jsStrBuf)
      {
        addItem(jsStrBuf, m_pEnv.get(), XML_TAG_ROXIE_SERVER, TAG_NAME, "", 0, 1, "", 0);
        addItem(jsStrBuf, m_pEnv.get(), XML_TAG_ROXIE_SERVER, TAG_PROCESS, "", 0, 1, "", 0);
        addItem(jsStrBuf, m_pEnv.get(), XML_TAG_ROXIE_FARM, TAG_NAME, "", 0, 1, "", 0);
        addItem(jsStrBuf, m_pEnv.get(), XML_TAG_ROXIE_FARM, TAG_PROCESS, "", 0, 1, "", 0);
        addItem(jsStrBuf, m_pEnv.get(), XML_TAG_ROXIE_FARM, TAG_DATADIRECTORY, "", 0, 1, "", 0);
        addItem(jsStrBuf, m_pEnv.get(), XML_TAG_ROXIE_FARM, TAG_LISTENQUEUE, "", 0, 1, "", 1);
        addItem(jsStrBuf, m_pEnv.get(), XML_TAG_ROXIE_FARM, TAG_NUMTHREADS, "", 0, 1, "", 1);
        addItem(jsStrBuf, m_pEnv.get(), XML_TAG_ROXIE_FARM, TAG_PORT, "", 0, 1, "", 1);
        addItem(jsStrBuf, m_pEnv.get(), XML_TAG_ROXIE_FARM, TAG_REQARRAYTHREADS, "", 0, 1, "", 1);
        addItem(jsStrBuf, m_pEnv.get(), XML_TAG_ROXIE_FARM, "aclName", "", 0, 1, "|'#$process/ACL'", 4);

        addItem(jsStrBuf, m_pEnv.get(), XML_TAG_ROXIE_ONLY_SLAVE, TAG_NAME, "", 0, 1, "", 0);
        addItem(jsStrBuf, m_pEnv.get(), XML_TAG_ROXIE_ONLY_SLAVE, TAG_COMPUTER, "", 0, 1, "", 0);
        addItem(jsStrBuf, m_pEnv.get(), XML_TAG_ROXIE_ONLY_SLAVE, TAG_NETADDRESS, "", 0, 1, "", 0);
        addItem(jsStrBuf, m_pEnv.get(), XML_TAG_ROXIE_ONLY_SLAVE, TAG_ITEMTYPE, "", 0, 1, "", 0);
        addItem(jsStrBuf, m_pEnv.get(), XML_TAG_ROXIE_CHANNEL, TAG_NAME, "", 0, 1, "", 0);
        addItem(jsStrBuf, m_pEnv.get(), XML_TAG_ROXIE_CHANNEL, TAG_ITEMTYPE, "", 0, 1, "", 0);
        addItem(jsStrBuf, m_pEnv.get(), XML_TAG_ROXIE_CHANNEL, TAG_COMPUTER, "", 0, 1, "", 0);
        addItem(jsStrBuf, m_pEnv.get(), XML_TAG_ROXIE_CHANNEL, TAG_DATADIRECTORY, "", 0, 1, "", 0);
        addItem(jsStrBuf, m_pEnv.get(), XML_TAG_ROXIE_CHANNEL, TAG_NUMBER, "", 0, 1, "", 0);
      }

      void addMisc()
      {
        if (!strcmp(m_compName.str(), "RoxieCluster"))
        {
          addRoxieMisc(m_jsStrBuf);
          const char* serverStr = "Servers";

          short index = 0;
          m_colIndex.appendf("colIndex['name%s']=%d;", serverStr, index++); 
          m_colIndex.appendf("colIndex['process%s']=%d;", serverStr, index++);
          m_colIndex.appendf("colIndex['netAddress%s']=%d;", serverStr, index++);
          m_colIndex.appendf("colIndex['port%s']=%d;", serverStr, index++);
          m_colIndex.appendf("colIndex['dataDirectory%s']=%d;", serverStr, index++);
          m_colIndex.appendf("colIndex['listenQueue%s']=%d;", serverStr, index++);
          m_colIndex.appendf("colIndex['numThreads%s']=%d;", serverStr, index++);
          m_colIndex.appendf("colIndex['requestArrayThreads%s']=%d;", serverStr, index++);
          m_colIndex.appendf("colIndex['aclName%s']=%d;", serverStr, index++);

          index = 0;
          const char* agentStr = "Agents";
          m_colIndex.appendf("colIndex['name%s']=%d;", agentStr, index++); 
          m_colIndex.appendf("colIndex['itemType%s']=%d;", agentStr, index++);
          m_colIndex.appendf("colIndex['netAddress%s']=%d;", agentStr, index++);
          m_colIndex.appendf("colIndex['dataDirectory%s']=%d;", agentStr, index++);
          m_colIndex.appendf("colIndex['number%s']=%d;", agentStr, index++);
        }
        else if (!strcmp(m_compName.str(), XML_TAG_THORCLUSTER))
        {
          short index = 0;
          m_jsStrBuf.append("compTabs['ThorCluster'][compTabs['ThorCluster'].length]= 'Topology';");
          m_colIndex.appendf("colIndex['nameTopology']=%d;", index++); 
          m_colIndex.appendf("colIndex['processTopology']=%d;", index++);
          m_colIndex.appendf("colIndex['netAddressTopology']=%d;", index++);
          m_jsStrBuf.append("compTabToNode['Topology']= 'Topology';");
        }
      }

      void CreateAttributeFromSchema(IPropertyTree& attr, StringBuffer compName, const char* tabName, const char* childElementName)
      {
        StringBuffer attrname;
        StringBuffer combovalues;
        StringBuffer strBuf;
        StringBuffer aName;
        StringBuffer value, tempPath, wizDefVal;
        attrname.append(attr.queryProp(XML_ATTR_NAME));
        
        const char *use = attr.queryProp("@use");
        if (!m_genOptional && use && *use && !strcmp(use, "optional"))
        {
          if(childElementName)
          {
            StringBuffer xpath;
            xpath.clear().append(childElementName);
            IPropertyTree* pChild = m_pCompTree->queryPropTree(xpath.str());

            if(!pChild)
              pChild = m_pCompTree->addPropTree(childElementName, createPTree());
          }

          return;
        }
        
        if(m_wizFlag)
        {
          if(attr.hasProp("./xs:annotation/xs:appinfo/autogenforwizard"))
          {
            value.clear().append(attr.queryProp("./xs:annotation/xs:appinfo/autogenforwizard"));
            if(!strcmp(value.str(),"1"))
            {
                    getValueForTypeInXSD(attr, compName, wizDefVal);  
            }
          }
          else
            return ;
        }

        if (childElementName)
          attrname.append(childElementName);

        aName.appendf("a%d", m_numAttrs++);

        m_jsStrBuf.appendf("var %s = {};", aName.str());
        m_jsStrBuf.appendf("%s.tab = '%s';", aName.str(), getRealTabName(tabName));
        setNameInCompTabArray(getRealTabName(tabName), childElementName);

        IPropertyTree* pField = NULL;
        if (m_pDefTree)
        {
          IPropertyTree* pProcess = m_pDefTree->queryPropTree(compName.str());

          if (!pProcess)
            pProcess = m_pDefTree->addPropTree(compName, createPTree());

          IPropertyTree* pTab = m_pDefTree->queryPropTree(getRealTabName(tabName));

          if (!pTab)
            pTab = pProcess->addPropTree(getRealTabName(tabName), createPTree());
          
          pField = pTab->addPropTree("Field", createPTree());
        }

        const char *defaultValue = attr.queryProp("@default");
        StringBuffer sbdefaultValue;
        if (defaultValue)
        {
          sbdefaultValue.clear().append(defaultValue);
          sbdefaultValue.replaceString("\\", "\\\\");
          m_jsStrBuf.appendf("%s.defaultValue = '%s';", aName.str(), sbdefaultValue.str());

          if (pField)
            pField->addProp(UI_FIELD_ATTR_DEFAULTVALUE, sbdefaultValue.str());
        }

        if(wizDefVal.length() > 0)
        {
          sbdefaultValue.clear().append(wizDefVal);
          if (pField)
           pField->addProp(UI_FIELD_ATTR_DEFAULTVALUE, sbdefaultValue.str());
        }

        if (m_pCompTree)
        {
          StringBuffer xpath;
          if(!childElementName)
          {
            xpath.clear().append("@").append(attrname);
            m_pCompTree->addProp(xpath, sbdefaultValue.str());
          }
          else
          {
            xpath.clear().append(childElementName);
            IPropertyTree* pChild = m_pCompTree->queryPropTree(xpath.str());

            if(!pChild)
              pChild = m_pCompTree->addPropTree(childElementName, createPTree());

            xpath.clear().append("@").append(attr.queryProp(XML_ATTR_NAME));
            pChild->addProp(xpath, sbdefaultValue.str());
          }
        }

        IPropertyTree* pAppInfo = attr.queryPropTree("xs:annotation/xs:appinfo");
        const char *viewtype;
        const char *displayMode = NULL;
        if (pAppInfo)
        {
          const char* caption = pAppInfo->queryProp("title");
          if (caption)
            m_jsStrBuf.appendf("%s.caption = '%s';", aName.str(), caption);

          const char* tip = pAppInfo->queryProp("tooltip");
          if (tip)
          {
            StringBuffer sbtip(tip);
            sbtip.replaceString("\"", "\\\"");
            sbtip.replaceString("\'", "\\\'");
            m_jsStrBuf.appendf("%s.tip = '%s';", aName.str(), sbtip.str());
          }

          m_jsStrBuf.appendf("%s.width = %d;", aName.str(), pAppInfo->getPropInt("width", 90));

          viewtype = pAppInfo->queryProp("viewType");
          m_jsStrBuf.appendf("%s.hidden = %d;", aName.str(), viewtype && !strcmp(viewtype, "hidden"));

          displayMode = pAppInfo->queryProp("displayMode");
          m_jsStrBuf.appendf("%s.displayMode = %d;", aName.str(), displayMode && !strcmp(displayMode, "simple"));

          const char* colIndex = pAppInfo->queryProp("colIndex");
          
          if (colIndex && *colIndex)
          {
            int i = atoi(colIndex);
            m_colIndex.appendf("colIndex['%s%s'] = %d;", attr.queryProp(XML_ATTR_NAME),getRealTabName(tabName), i - 1);

            if (!viewtype || (viewtype && strcmp(viewtype, "hidden")))
            {
              m_columns.appendf("tabCols['%s'][%d] = '%s';", getRealTabName(tabName), i - 1, caption? caption:attr.queryProp(XML_ATTR_NAME));

              if (childElementName && i == 1 && m_splitterTabName.length())
              {
                setNameInCompTabArray(m_splitterTabName, compName.str());
                m_columns.appendf("tabCols['%s'][%d] = '_%s';", m_splitterTabName.str(), m_numAttrs, tabName);
              }
            }
          }
          else if (childElementName && m_splitterTabName.length())
          {
            m_colIndex.appendf("colIndex['%s%s'] = %d;", attr.queryProp(XML_ATTR_NAME),getRealTabName(tabName), 0);

            if (!viewtype || (viewtype && strcmp(viewtype, "hidden")))
            {
              m_columns.appendf("tabCols['%s'][%d] = '%s';", getRealTabName(tabName), 0, caption? caption:attr.queryProp(XML_ATTR_NAME));

              setNameInCompTabArray(m_splitterTabName, compName.str());
              m_columns.appendf("tabCols['%s'][%d] = '_%s';", m_splitterTabName.str(), m_numAttrs, tabName);
            }
          }

          IPropertyTree* onChangeNode = pAppInfo->queryPropTree("onchange");
          if (onChangeNode)
          {
            const char* msg = onChangeNode->queryProp("message");
            if (msg && *msg)
            {
              StringBuffer sbmsg(msg);
              sbmsg.replace('\n',' ');
              sbmsg.replaceString("  ", " ");
              m_jsStrBuf.appendf("%s.onChange = 1;", aName.str());
              m_jsStrBuf.appendf("%s.onChangeMsg = '%s';", aName.str(), sbmsg.str());
            }

            const char* onChangeXslt = onChangeNode->queryProp("xslt");
            if (onChangeXslt)
              m_jsStrBuf.appendf("%s.onChange = 2;", aName.str());
          }
          else
            m_jsStrBuf.appendf("%s.onChange = %d;", aName.str(), onChangeNode != NULL);
        }
        else
        {
          viewtype = NULL;
        }

        StringBuffer xpath(m_xpathDefn);
        xpath.appendf("[@%s]", attr.queryProp(XML_ATTR_NAME));
        if (viewtype)
        {
          if (pField)
          {
            pField->addProp(attr.queryProp(XML_ATTR_NAME), m_pEnv->queryProp(xpath.str()));
          }
        }
        else
        {
          if (pField)
          {
            pField->addProp(UI_FIELD_ATTR_NAME, attr.queryProp(XML_ATTR_NAME));
            pField->addProp(UI_FIELD_ATTR_NAME"Type", "0");
            pField->addProp(UI_FIELD_ATTR_VALUE, m_pEnv->queryProp(xpath.str()));
          }
        }

        m_jsStrBuf.appendf("%s.required = %d;", aName.str(), (use && strcmp(use, "required")==0) || (pAppInfo && pAppInfo->getPropBool("required")));
        m_jsStrBuf.appendf("%s.loadRoot = %d;", aName.str(),1);

        const char *type = attr.queryProp("@type");
        const char *extraInfo = NULL;
        bool bAddBlank = false;

        StringBuffer typeNameSpace;
        StringBuffer typeName;
        int nCtrlType = 1;//LVC_EDIT;
        if (viewtype && !strcmp(viewtype, "readonly"))
          nCtrlType = 0;//LVC_NONE;
        else if (viewtype && !strcmp(viewtype, TAG_PASSWORD))
          nCtrlType = 5;//LVC_EDITPASSWORD;
        else if (type)
        {
          while (*type && *type!=':')
            typeNameSpace.append(*type++);

          if (*type)
          {
            type++;
            while (*type)
              typeName.append(*type++);
          }
          else
          {
            typeName.append(typeNameSpace);
            typeNameSpace.clear();
          }
          type = typeName.str();
          if (strcmp(typeNameSpace.str(),"xs")==0)
          {
            if (strcmp(type, "string")==0)
              nCtrlType = 1;//LVC_EDIT;
            else if (strcmp(type, "boolean")==0)
            {
              nCtrlType = 4;//ret->m_bRequired ? LVC_TRUEFALSE : LVC_TRUEFALSE2;
              strBuf.clear().append("new Array('false','true');");
              extraInfo = strBuf.str();
            }
          }
          else if (strcmp(typeNameSpace.str(),"seisint")==0 || typeNameSpace.length()==0)
          {
            bAddBlank = !((use && strcmp(use, "required")==0) || (pAppInfo && pAppInfo->getPropBool("required")));
            if (strcmp(type, "commonDirsCompType")==0)
            {
              nCtrlType = 4;//LVC_COMBO;
              StringBuffer compList, espServiceList, pluginsList;
              getInstalledComponents(NULL, compList, espServiceList, pluginsList, m_pEnv.get());
              strBuf.clear().append("new Array(").append(compList).append(");");
              extraInfo = strBuf.str();
            }
            else if (strcmp(type, "commonDirsInstType")==0)
            {
              nCtrlType = 4;//LVC_COMBO;
              strBuf.clear().append("new Array('');");
              extraInfo = strBuf.str();
            }
            else if (strcmp(type, "daliServersType")==0)
            {
              nCtrlType = 4;//LVC_COMBO;
              LoadComboBox("Software/DaliServerProcess", bAddBlank, m_pEnv, m_pEnv, strBuf);
              extraInfo = strBuf.str();
            }
            else if (strcmp(type, "dataBuildType")==0)
            {
              nCtrlType = 4;//LVC_COMBO;
              LoadComboBox("Data/Build", bAddBlank, m_pEnv, m_pEnv, strBuf);
              extraInfo = strBuf.str();
            }
            else if (strcmp(type, "dataModelType")==0)
            {
              nCtrlType = 4;//LVC_COMBO;
              LoadComboBox("Data/Model", bAddBlank, m_pEnv, m_pEnv, strBuf);
              extraInfo = strBuf.str();
            }
            else if (strcmp(type, "dataThorTableType")==0)
            {
              nCtrlType = 4;//LVC_COMBO;
              LoadComboBox("Data/$model/ThorTable", bAddBlank, m_pEnv, m_pEnv, strBuf);
              extraInfo = strBuf.str();
            }
            else if (strcmp(type, "dataTableType")==0)
            {
              nCtrlType = 4;//LVC_COMBO;
              LoadComboBox("Data/$parentmodel/*", bAddBlank, m_pEnv, m_pEnv, strBuf);
              extraInfo = strBuf.str();
            }
            else if (strcmp(type, "sybaseType")==0)
            {
              nCtrlType = 4;//LVC_COMBO;
              bAddBlank = true;
              LoadComboBox("Software/SybaseProcess", bAddBlank, m_pEnv, m_pEnv, strBuf);
              extraInfo = strBuf.str();
              //ret->m_bAddEmpty = true;
            }
            else if (strcmp(type, "mysqlType")==0)
            {
              nCtrlType = 4;//LVC_COMBO;
              bAddBlank = true;
              LoadComboBox("Software/MySQLProcess", bAddBlank, m_pEnv, m_pEnv, strBuf);
              extraInfo = strBuf.str();
              //ret->m_bAddEmpty = true;
            }
            else if (strcmp(type, "ldapServerType")==0)
            {
              nCtrlType = 4;//LVC_COMBO;
              LoadComboBox("Software/LDAPServerProcess", bAddBlank, m_pEnv, m_pEnv, strBuf);
              extraInfo = strBuf.str();
            }
            else if (strcmp(type, "accurintServerType")==0)
            {
              nCtrlType = 4;//LVC_COMBO;
              LoadComboBox("Software/AccurintServerProcess", bAddBlank, m_pEnv, m_pEnv, strBuf);
              extraInfo = strBuf.str();
            }
            else if (strcmp(type, "buildSetType")==0)
            {
              nCtrlType = 4;//LVC_COMBO;
              extraInfo = "Programs/Build[@name=$build]/BuildSet";
            }
            else if (strcmp(type, "buildType")==0)
            {
              nCtrlType = 4;//LVC_COMBO;
              LoadComboBox("Programs/Build", bAddBlank, m_pEnv, m_pEnv, strBuf);
              extraInfo = strBuf.str();//"Programs/Build";
            }
            else if (strcmp(type, TAG_COMPUTERTYPE)==0)
            {
              nCtrlType = 4;//LVC_COMBO;
              LoadComboBox("Hardware/Computer", bAddBlank, m_pEnv, m_pEnv, strBuf);
              extraInfo = strBuf.str();
            }
            else if (strcmp(type, "dataBuildType")==0)
            {
              nCtrlType = 4;//LVC_COMBO;
              LoadComboBox("Data/Build", bAddBlank, m_pEnv, m_pEnv, strBuf);
              extraInfo = strBuf.str();
            }
            else if (strcmp(type, "dataModelType")==0)
            {
              nCtrlType = 4;//LVC_COMBO;
              LoadComboBox("Data/Model", bAddBlank, m_pEnv, m_pEnv, strBuf);
              extraInfo = strBuf.str();
            }
            else if (strcmp(type, "espServiceType")==0)
            {
              nCtrlType = 4;//LVC_COMBO;
              LoadComboBox("Software/EspService", bAddBlank, m_pEnv, m_pEnv, strBuf);
              extraInfo = strBuf.str();
            }
            else if (strcmp(type, "espProcessType")==0)
            {
              nCtrlType = 4;//LVC_COMBO;
              LoadComboBox("Software/EspProcess", bAddBlank, m_pEnv, m_pEnv, strBuf);
              extraInfo = strBuf.str();
            }
            else if (strcmp(type, "roxieClusterType")==0)
            {
              nCtrlType = 4;//LVC_COMBO;
              LoadComboBox("Software/RoxieCluster", bAddBlank, m_pEnv, m_pEnv, strBuf);
              extraInfo = strBuf.str();
            }
            else if (strcmp(type, "eclServerType")==0)
            {
              // MORE - attribute servers would be ok here too
              nCtrlType = 4;//LVC_COMBO;
              LoadComboBox("Software/EclServerProcess", bAddBlank, m_pEnv, m_pEnv, strBuf);
              extraInfo = strBuf.str();
            }
            else if (strcmp(type, "eclCCServerType")==0)
            {
              nCtrlType = 4;//LVC_COMBO;
              LoadComboBox("Software/EclCCServerProcess", bAddBlank, m_pEnv, m_pEnv, strBuf);
              extraInfo = strBuf.str();
            }
            else if (strcmp(type, "wsLogListenerType")==0)
            {
              nCtrlType = 4;//LVC_COMBO;
              LoadComboBox("Software/WsLogListener", bAddBlank, m_pEnv, m_pEnv, strBuf);
              extraInfo = strBuf.str();
            }
            else if (strcmp(type, "processType")==0)
            {
              nCtrlType = 4;//LVC_COMBO;
              LoadComboBox(pAppInfo->queryProp(TAG_NAME), bAddBlank, m_pEnv, m_pEnv, strBuf);
              extraInfo = strBuf.str();
            }
            else if (strcmp(type, "xpathType")==0)
            {
              const char* xpath1 = pAppInfo->queryProp("xpath");
              const char* xpath2;
              if (xpath1 && *xpath1)
              {
                nCtrlType = 4;//LVC_COMBO;
                const char* prefix = "/Environment/";
                const int len = strlen(prefix);

                if (!strncmp(xpath1, prefix, len)) //xpath is absolute
                  xpath2 = xpath1 + len; //IPropertyTree root does not take absolute paths
                else
                  xpath2 = xpath1;

                if (!strstr(xpath2, "$"))
                  LoadComboBox(xpath2, bAddBlank, m_pEnv, m_pEnv, strBuf);
                else
                  strBuf.append("#").append(xpath2);

                extraInfo = strBuf.str();
              }
            }
            else if (strcmp(type, "espBindingType")==0)
            {
              nCtrlType = 4;//LVC_COMBO;
              m_jsStrBuf.appendf("%s.custom = %d;", aName.str(), 1);

              const char* serviceType = NULL;
              if (pAppInfo)
              {
                serviceType = pAppInfo->queryProp("serviceType");
                if (serviceType)
                  xpath.clear().append("Software/EspService");
              }
              else
                xpath.clear().appendf("Software/*[@buildSet='%s']", type);
              
              strBuf.clear();
              Owned<IPropertyTreeIterator> iterEspServices = m_pEnv->getElements(xpath);
              short blank = 0;
              ForEach (*iterEspServices)
              {
                IPropertyTree* pEspService = &iterEspServices->query();

                if (serviceType)
                {
                  xpath.clear().appendf("Properties[@type='%s']", serviceType);
                  if (pEspService->queryPropTree(xpath.str()) == NULL)
                    continue;
                }

                Owned<IPropertyTreeIterator> iter = m_pEnv->getElements("Software/EspProcess");

                ForEach (*iter)
                {
                  IPropertyTree* pEspProcess = &iter->query();

                  xpath.clear().appendf("EspBinding[@service='%s']", pEspService->queryProp(XML_ATTR_NAME));

                  if (pEspProcess->queryPropTree(xpath.str()) != NULL)
                    LoadComboBox(xpath.str(), (blank == 0), pEspProcess, pEspProcess, strBuf, true, (blank == 0), false);

                  blank++;
                }
              }

              strBuf.append(")");

              extraInfo = strBuf.str();
            }
            else if (strcmp(type, "AutoTimeStampType")==0 || 
              strcmp(type, "AutoComputerType")==0 || 
              strcmp(type, "AutoUseridType")==0)
            {
              if (nCtrlType != 0/*LVC_NONE*/)//is not read only
                nCtrlType = 1;//LVC_EDIT;
              m_jsStrBuf.appendf("%s.custom = %d;", aName.str(), 1);
              m_jsStrBuf.appendf("%s.extra = '%s';", aName.str(), type);
            }
            else if (strcmp(type, "absolutePath")==0 || strcmp(type, "relativePath")==0)
            {
              nCtrlType = 1;//LVC_EDIT;
              extraInfo = type;
            }
            else if (strcmp(type, "YesNo")==0)
            {
              nCtrlType = 4;//ret->m_bRequired ? LVC_YESNO : LVC_YESNO_OPTIONAL;
              strBuf.clear().append("new Array('No','Yes');");
              extraInfo = strBuf.str();
            }
          }
          else if (strcmp(typeNameSpace.str(),TAG_PROCESS)==0) //for backwards compatibility only - use xpathType instead
          {
            nCtrlType = 4;//LVC_COMBO;
            m_jsStrBuf.appendf("%s.extra = '%s%s';", aName.str(), "Software/", typeName.str());

          }
          // MORE - type could be a reference to a simpletype defined elsewhere....
        }
        else if (attr.hasProp("xs:simpleType/xs:restriction/xs:enumeration"))
        {
          Owned<IPropertyTreeIterator> values = attr.getElements("xs:simpleType/xs:restriction/xs:enumeration");
          combovalues.append("new Array(");
          ForEach(*values)
          {
            IPropertyTree &value = values->query();
            if (combovalues.length() > 10)
              combovalues.append(",");
            combovalues.append("'").append(value.queryProp("@value")).append("'");
          }

          combovalues.append(")");
          nCtrlType = 4;//LVC_COMBO;
          extraInfo = combovalues.str();
        }
        if (extraInfo)
        {
          if (!strncmp(extraInfo, "new Array", 9))
          {
            m_jsStrBuf.appendf("%s.extra = %s;", aName.str(), extraInfo);
            if (pField)
            {
              //["Alabama","Alaska","Arizona","Arkansas"]
              StringBuffer sb(extraInfo);
              sb.replaceString("new Array(", "[");
              sb.replaceString(");", "]");
              StringBuffer sbAttr("@");
              sbAttr.append(attr.queryProp(XML_ATTR_NAME));

              if (viewtype)
                pField->addProp(sbAttr.append("_extraInfo"), sb.str());
              else
                pField->addProp(UI_FIELD_ATTR_VALUE"_extra", sb.str());
            }
          }
          else
            m_jsStrBuf.appendf("%s.extra = '%s';", aName.str(), extraInfo);

        }

        m_jsStrBuf.appendf("%s.ctrlType = %d;", aName.str(), nCtrlType);
        m_jsStrBuf.appendf("cS['%s']=%s;", attrname.str(), aName.str());
      }

      void AddAttributeFromSchema(IPropertyTree& schemaNode, 
        StringBuffer elemName, 
        StringBuffer& compName, 
        const char* tabName,
        const char* childElementName)
      {
        CreateAttributeFromSchema(schemaNode, compName, tabName, childElementName);
      }

      void AddAttributesFromSchema(IPropertyTree* pSchema,
        StringBuffer& compName,
        const char* tabName,
        const char* childElementName)
      {
        if (pSchema)
        {
          //add attributes defined for this element
          Owned<IPropertyTreeIterator> attrIter = pSchema->getElements("xs:complexType/xs:attribute");
          ForEach(*attrIter)
          {
            AddAttributeFromSchema(attrIter->query(), "", compName, tabName, childElementName);
          }

          if (childElementName && !strcmp(childElementName, XML_TAG_INSTANCE))
          {
            const char* pszNameAttr = "<xs:attribute name='name' type='xs:string' use='optional'><xs:annotation><xs:appinfo><viewType>hidden</viewType></xs:appinfo></xs:annotation></xs:attribute>";
            Owned<IPropertyTree> pSchemaAttrNode = createPTreeFromXMLString(pszNameAttr);
            AddAttributeFromSchema(*pSchemaAttrNode, "", compName, tabName, childElementName);
          }

          // or if it's an attribute group, then try this variety...
          attrIter.setown(pSchema->getElements("xs:attribute"));
          ForEach(*attrIter)
          {
            AddAttributeFromSchema(attrIter->query(), "", compName, tabName, childElementName);
          }

          Owned<IPropertyTreeIterator> simple = pSchema->getElements("*");
          ForEach(*simple)
          {
            IPropertyTree &element = simple->query();
            const char* pszElementName = element.queryName();

            if (!strcmp(pszElementName, "xs:complexContent"))
              AddAttributesFromSchema(&element, compName, tabName, NULL);
          }
        }
      }

      void ProcessElementSchemaNode(IPropertyTree* pElement, 
        IPropertyTree* pParentElement, 
        StringBuffer& sbCompName)
      {
        bool bOptSubType = false;
        if (pElement)
        {
          TRACE_SCHEMA_NODE("ProcessElementSchemaNode", pElement); 
          const char* szParentElementName = pParentElement->queryProp(XML_ATTR_NAME);

          const char*  szElementName = pElement->queryProp(XML_ATTR_NAME);
          const char*  szCaption     = szElementName;
          const char* tabName = pElement->queryProp("xs:annotation/xs:appinfo/title");
          if (tabName)
            szCaption = tabName;

          IPropertyTree* pViewSchemaNode = pElement; //default for child view
          IPropertyTree* pInstanceNode = pParentElement;//default for child view

          bool bInstanceView = false;
          bool bViewChildNodes = true;

          if (pElement->hasProp("xs:annotation/xs:appinfo/viewType"))
          {
            const char* viewType = pElement->queryProp("xs:annotation/xs:appinfo/viewType");
            const char* viewChildNodes = pElement->queryProp("xs:annotation/xs:appinfo/viewChildNodes");
            bViewChildNodes = viewChildNodes && !stricmp(viewChildNodes, "true");

            bool needParent = true;

            //select first parent node that matches schema
            if (pInstanceNode && needParent)
            {
              Owned<IPropertyTreeIterator> it = pInstanceNode->getElements(szElementName);
              if (it->first() && it->isValid())
                pInstanceNode = &it->query();
            }

            if (!strcmp(viewType, "list"))
            {
              const char* title = pElement->queryProp("xs:annotation/xs:appinfo/title");
              setNameInHiddenTabArray(title? title : szElementName);
              bOptSubType = true;
            }

            if (!strcmp(viewType, "Instance") || !strcmp(viewType, "instance") || 
              !strcmp(viewType, "RoxieServers") || !strcmp(viewType, "RoxieSlaves"))
              bOptSubType = true;
          }

          bool bHasElements = schemaNodeHasElements(pElement) != NULL;

          if (bViewChildNodes)
          {
            bool bHasAttribs = schemaNodeHasAttributes(pElement);
            bool bHasAttribGroups = schemaNodeHasAttributeGroups(pElement);
            bool bMaxOccursOnce = !pElement->hasProp(XML_ATTR_MAXOCCURS) || !strcmp(pElement->queryProp(XML_ATTR_MAXOCCURS), "1");
            bOptSubType = !bMaxOccursOnce;

            //figure out the type of child view to create
            if (bHasElements)
            {
              // MORE - this assumes there is only one nested element type and that it is repeated....
              StringBuffer sbElemName(szElementName);
              if (bHasAttribs) //has child elements and attributes
              {
                Owned<IPropertyTreeIterator> iter = pElement->getElements("*");
                ForEach(*iter)
                {
                  IPropertyTree &subSchemaElement = iter->query();
                  const char* szSubElementName = subSchemaElement.queryName();
                  StringBuffer sbSubElemName(szSubElementName);
                  TRACE_SCHEMA_NODE("ProcessSchemaElement", &subSchemaElement); 
                  m_splitterTabName.clear().append(getRealTabName(szCaption));
                  if (m_allSubTypes || !bOptSubType)
                    ProcessComplexTypeSchemaNode(&subSchemaElement, m_pSchemaRoot, sbElemName);
                  m_splitterTabName.clear();
                }
              }
              else
              {
                //no attributes
                if (bMaxOccursOnce)
                {
                  //has child elements but no attribs and only occurs once 
                  //so skip this element and create node list view for its children
                  pViewSchemaNode = schemaNodeHasElements(pElement); 
                  if (pInstanceNode)
                  {
                    IPropertyTree* pNewInstanceNode = pInstanceNode->queryPropTree(szElementName);

                    if (!pNewInstanceNode)
                      pNewInstanceNode = pInstanceNode->addPropTree(szElementName, createPTree());

                    pInstanceNode = pNewInstanceNode;
                  }

                  szElementName = pViewSchemaNode->queryProp(XML_ATTR_NAME);
                }
              }
            }
            else
            {
              //no child elements
              if (bHasAttribs)
              {
                if (!bMaxOccursOnce) //occurs multiple times
                {
                  //select first parent node that matches schema
                  if (pInstanceNode)
                  {
                    Owned<IPropertyTreeIterator> it = pInstanceNode->getElements(szParentElementName);
                    if (it->first() && it->isValid())
                      pInstanceNode = &it->query();
                  }
                }
              }
              else
              {
                const char* type = pElement->queryProp("@type");

                if (type && !strcmp(type, "xs:string"))
                {
                  m_jsStrBuf.appendf("var attr%s%s = {};", szElementName, sbCompName.str());
                  m_jsStrBuf.appendf("attr%s%s.tab = '%s';", szElementName, sbCompName.str(), getRealTabName(szElementName));
                  m_jsStrBuf.appendf("attr%s%s.hidden = 0;", szElementName, sbCompName.str());
                  m_jsStrBuf.appendf("attr%s%s.required = 1;", szElementName, sbCompName.str());
                  m_jsStrBuf.appendf("attr%s%s.ctrlType = %d;", szElementName, sbCompName.str(), 6);
                  m_jsStrBuf.appendf("cS['%s%s']=attr%s%s;", szElementName, sbCompName.str(), szElementName, sbCompName.str());
                  //add additional entry for this special case where element value is shown as a column
                  m_jsStrBuf.appendf("cS['%s%s']=attr%s%s;", szElementName, szElementName, szElementName, sbCompName.str());
                  setNameInCompTabArray(m_splitterTabName, sbCompName.str());
                  m_columns.appendf("tabCols['%s'][%d] = '_%s';", m_splitterTabName.str(), m_numAttrs++, szElementName);
                  setNameInCompTabArray(szElementName, szElementName);
                  setNameInHiddenTabArray(szElementName);
                  m_columns.appendf("tabCols['%s'][%d] = '%s';", szElementName, 0, szElementName);

                  if (m_pCompTree)
                  {
                    StringBuffer sb(sbCompName);
                    if (!m_pCompTree->queryPropTree(sbCompName.str()))
                      m_pCompTree->addPropTree(sbCompName.str(), createPTree());

                    sb.append("/").append(szElementName);
                    m_pCompTree->addPropTree(sb.str()/*szElementName*/, createPTree());
                  }
                }
              }
            }
          }

          if (m_allSubTypes || !bOptSubType)
            AddAttributesFromSchema(pViewSchemaNode, sbCompName, szCaption, szElementName);

          if (bOptSubType && m_viewChildNodes.get() && m_multiRowNodes.get())
          {
            if (bHasElements)
              m_viewChildNodes->addProp("Node", szElementName);
            else
              m_multiRowNodes->addProp("Node", szElementName);
          }

          if (pInstanceNode)
          {
            //select first child node for which we are creating view
            Owned<IPropertyTreeIterator> it = pInstanceNode->getElements(pElement->queryProp(XML_ATTR_NAME));
            pInstanceNode = (it->first() && it->isValid()) ? &it->query() : NULL;
          }
        }
      }


      void ProcessComplexTypeSchemaNode(IPropertyTree* schemaNode, 
        IPropertyTree* pParentElement,
        StringBuffer& sbCompName)
      {
        if (schemaNode)
        {
          TRACE_SCHEMA_NODE("ProcessComplexTypeSchemaNode", schemaNode); 
          const char* szParentElementName = pParentElement->queryProp(XML_ATTR_NAME);

          //now process the rest...
          Owned<IPropertyTreeIterator> iter = schemaNode->getElements(XSD_TAG_ATTRIBUTE_GROUP);
          ForEach(*iter)
          {
            IPropertyTree &schemaElement = iter->query();
            const char* name = schemaElement.queryProp("@ref");

            StringBuffer xPath;
            xPath.append("//xs:attributeGroup[@name='").append(name).append("']");
            Owned<IPropertyTreeIterator> iter2 = m_pSchemaRoot->getElements(xPath.str());
            ForEach(*iter2)
            {
              IPropertyTree &agDef = iter2->query();
              if (agDef.hasProp("xs:annotation/xs:appinfo/title"))
                name = agDef.queryProp("xs:annotation/xs:appinfo/title");

              AddAttributesFromSchema(&agDef, sbCompName, name, NULL);

              break; // should be exactly one!
              // MORE - this will not get scoping correct. Do I care?
            }
          }
          iter.setown(schemaNode->getElements("*"));
          ForEach(*iter)
          {
            IPropertyTree &schemaElement = iter->query();
            const char* szSchemaElementName = schemaElement.queryName();

            if (!strcmp(szSchemaElementName, XSD_TAG_SEQUENCE) || !strcmp(szSchemaElementName, XSD_TAG_CHOICE))
            {
              Owned<IPropertyTreeIterator> iter2 = schemaElement.getElements(XSD_TAG_ELEMENT);
              ForEach(*iter2)
              {
                IPropertyTree* pElement = &iter2->query();
                ProcessElementSchemaNode(pElement, pParentElement, sbCompName);
              }
            }
          }
        }
      }

      bool generateHeaders()
      {
        StringBuffer sbTabName;
        StringBuffer sbPropName;

        if (!m_pSchemaRoot)
          m_pSchemaRoot.setown(createPTreeFromXMLFile(m_xsdName));

        IPropertyTree *schemaNode = m_pSchemaRoot->queryPropTree("xs:element");

        if (m_compName.length() == 0)
          m_compName.append(schemaNode->queryProp(XML_ATTR_NAME));

        if (!strcmp(m_compName.str(), "Eclserver"))
          m_compName.clear().append(XML_TAG_ECLSERVERPROCESS);

        m_jsStrBuf.append("var compTabs = new Array(); ");
        m_jsStrBuf.appendf("compTabs['%s'] = new Array();", m_compName.str());
        m_jsStrBuf.append("var hiddenTabs = new Array(); ");
        m_jsStrBuf.appendf("hiddenTabs['%s'] = new Array();", m_compName.str());
        m_jsStrBuf.append("var compTabToNode = new Array(); ");
        m_jsStrBuf.append("var cS = new Array();");

        Owned<IPropertyTreeIterator> iter = schemaNode->getElements("*");
        ForEach(*iter)
        {
          IPropertyTree &schemaElement = iter->query();
          const char* szElementName = schemaElement.queryName();
          TRACE_SCHEMA_NODE("ProcessSchemaElement", &schemaElement); 

          //if node is xs:complexType and xs:complexContent then process children
          if (!strcmp(szElementName, XSD_TAG_COMPLEX_TYPE) ||
            !strcmp(szElementName, XSD_TAG_COMPLEX_CONTENT))
          {
            //if this schema node has any attributes then add an attribute tab
            //            
            bool bHasAttribs = schemaNodeHasAttributes(&schemaElement);
            if (bHasAttribs)
            {
              AddAttributesFromSchema(schemaNode, m_compName, "Attributes", NULL);
            }                   
          }

          ProcessComplexTypeSchemaNode(&schemaElement, m_pSchemaRoot, m_compName);
        }

        addMisc();

        if (m_jsName.length())
          writeToFile(m_jsName, m_jsStrBuf);

        return true;
      }

      void setCompTree(IPropertyTree* pTree, bool allSubTypes)
      {
        m_pCompTree = pTree;
        m_allSubTypes = allSubTypes;
      }

      void getTabNameArray(StringArray& tabNameArray)
      {
        CloneArray(tabNameArray, m_tabNameArray);
      }

      void getDefnPropTree(IPropertyTree* pTree, StringBuffer xpathDefn)
      {
        m_pDefTree = pTree;
        m_xpathDefn.clear().append(xpathDefn);
        generateHeaders();
      }

      void getDefnString(StringBuffer& compDefn, StringBuffer& viewChildNodes, StringBuffer& multiRowNodes)
      {
        m_viewChildNodes.clear();
        m_viewChildNodes.setown(createPTree("viewChildNodes"));
        m_multiRowNodes.clear();
        m_multiRowNodes.setown(createPTree("multiRowNodes"));
        
        generateHeaders();
        compDefn.clear().append(m_jsStrBuf);

        if (m_colIndex.length() > 27)
          compDefn.append(m_colIndex);

        if (m_columns.length() > 26)
          compDefn.append(m_columns);

        toXML(m_viewChildNodes, viewChildNodes);
        toXML(m_multiRowNodes, multiRowNodes);
      }

      void setWizardFlag(bool flag)
      {
         m_wizFlag = flag;
      }

      void setGenerateOptional(bool flag)
      {
        m_genOptional = flag;
      }
     
      void setWizard(CWizardInputs* ptr)
      {
        m_wizard.set(ptr);
      }

      void getValueForTypeInXSD(IPropertyTree& attr, StringBuffer compName, StringBuffer& wizDefVal)
      {
        StringBuffer tempPath;
        const char* type = attr.queryProp("@type");
        const char* name = attr.queryProp("@name");

        //first check for all the tags autogen then proceed with type checking.
        if(attr.hasProp("./xs:annotation/xs:appinfo/autogendefaultvalue"))
        {
           tempPath.clear().append("./xs:annotation/xs:appinfo/autogendefaultvalue");
         
           if(!strcmp(attr.queryProp(tempPath.str()), "$defaultenvfile"))
           {
             tempPath.clear().appendf("Software/EspProcess/EspService[@name='%s']/LocalEnvConfFile", (m_wizard->getService()).str());
             IPropertyTree* pCfg =  m_wizard->getConfig();
             const char* pConfFile = pCfg->queryProp(tempPath.str());
             if(pConfFile && *pConfFile)
             {
               Owned<IProperties> pParams = createProperties(pConfFile);
               wizDefVal.clear().append(pParams->queryProp("configs")).append("/environment.xml");
             }
           }
           else if(!strcmp(attr.queryProp(tempPath.str()), "$componentfilesdir"))
           {
             tempPath.clear().append("EnvSettings/path");
             wizDefVal.clear().append(m_pEnv->queryProp(tempPath.str()));
             if(!wizDefVal.length())
                wizDefVal.append(STANDARD_COMPFILESDIR);

             wizDefVal.append(PATHSEPSTR"componentfiles");
           }
           else if(!strcmp(attr.queryProp(tempPath.str()), "$processname"))
           {
              tempPath.clear().appendf("Software/%s[1]/@name",compName.str());
              wizDefVal.clear().append(m_pEnv->queryProp(tempPath.str()));
           }
           else if(!strcmp(attr.queryProp(tempPath.str()), "$hthorcluster"))
           {
              tempPath.clear().append(XML_TAG_SOFTWARE"/"XML_TAG_TOPOLOGY"/"XML_TAG_CLUSTER);
              Owned<IPropertyTreeIterator> iterClusters = m_pEnv->getElements(tempPath.str());
              ForEach (*iterClusters)
              {
                IPropertyTree* pCluster = &iterClusters->query();
                
                if (pCluster->queryPropTree(XML_TAG_ROXIECLUSTER) || 
                    pCluster->queryPropTree(XML_TAG_THORCLUSTER))
                  continue;
                else 
                {
                  wizDefVal.clear().append(pCluster->queryProp(XML_ATTR_NAME));
                  break;
                }
              }
           }
           else
           {
             wizDefVal.clear().append(attr.queryProp(tempPath.str()));
             tempPath.clear().appendf("Software/%s[1]/@buildSet", compName.str());
             if(m_pEnv->queryProp(tempPath.str()))
             {
               if(m_wizard->getNumOfNodes(m_pEnv->queryProp(tempPath.str())) > 1)
               {
                 tempPath.clear().append("./xs:annotation/xs:appinfo/autogendefaultformultinode");
                 if(attr.hasProp(tempPath.str()))
                   wizDefVal.clear().append(attr.queryProp(tempPath.str()));
               }
             }
           }
        }
        else if(attr.hasProp("./xs:annotation/xs:appinfo/autogenprefix") || attr.hasProp("./xs:annotation/xs:appinfo/autogensuffix"))
        {
          StringBuffer sb;
          StringBuffer nameOfComp;
          tempPath.clear().appendf("./Software/%s[1]/@name",m_compName.str());
          nameOfComp.clear().append(m_pEnv->queryProp(tempPath.str()));

          tempPath.clear().append("./xs:annotation/xs:appinfo/autogenprefix");
          if(attr.hasProp(tempPath.str()))
            sb.clear().append(attr.queryProp(tempPath.str())).append(nameOfComp);

          tempPath.clear().append("./xs:annotation/xs:appinfo/autogensuffix");
          if(attr.hasProp(tempPath.str()))
          {
            if (sb.length())
              sb.append(attr.queryProp(tempPath.str()));
            else
              sb.append(nameOfComp).append(attr.queryProp(tempPath.str()));
          }

          wizDefVal.clear().append(sb);
        }
        else if(!strcmp(type,"computerType"))
        {
          if(m_wizard)
          {
            StringBuffer buildSetName, ipAddr;
            tempPath.clear().appendf("./Programs/Build/BuildSet[%s=\"%s\"]",XML_ATTR_PROCESS_NAME,m_compName.str());
            IPropertyTree* pCompTree = m_pEnv->queryPropTree(tempPath.str());
            if(pCompTree)
            {
              buildSetName.append(pCompTree->queryProp(XML_ATTR_NAME));
              CInstDetails* pInst  = m_wizard->getServerIPMap(compName, buildSetName,m_pEnv);
              if( pInst )
              {
                StringArray& ipArray = pInst->getIpAssigned();
                ForEachItemIn(x, ipArray)
                {
                   if(ipArray.ordinality() == 1)
                    ipAddr.append(ipArray.item(x));
                   else
                    ipAddr.append(ipArray.item(x)).append(",");
    
                   tempPath.clear().appendf("./Hardware/Computer[@netAddress=\"%s\"]",ipAddr.str());
                   IPropertyTree* pHard = m_pEnv->queryPropTree(tempPath.str());
                   if(pHard)
                   {
                     tempPath.clear().append("@name");
                     wizDefVal.clear().append(pHard->queryProp(tempPath.str()));
                   }
                }
              }
            }
          }
        }
        else if(!strcmp(type,"xs:string"))
        {
          StringBuffer nameOfComp;
          tempPath.clear().appendf("./Software/%s[1]/@name",m_compName.str());
           nameOfComp.clear().append(m_pEnv->queryProp(tempPath.str()));

          if(!strcmp(name, "dbUser"))
          {
            wizDefVal.clear().append(m_wizard->getDbUser()); 
          }
          else if(!strcmp(name, "dbPassword"))
          {
            wizDefVal.clear().append(m_wizard->getDbPassword());
          }
        }
        else if(!strcmp(type,"mysqlType"))
        {
          tempPath.clear().append("./Software/MySQLProcess[1]/@name");
          wizDefVal.clear().append(m_pEnv->queryProp(tempPath.str()));
        }
        else if(!strcmp(type,"daliServersType"))
        {
          tempPath.clear().append("./Software/DaliServerProcess[1]/@name");
          wizDefVal.clear().append(m_pEnv->queryProp(tempPath.str()));
        }
        else if(!strcmp(type,"ldapServerType"))
        {
          tempPath.clear().append("./Software/LdapServerProcess[1]/@name");
          wizDefVal.clear().append(m_pEnv->queryProp(tempPath.str()));
        }
        else if(!strcmp(type, "roxieClusterType"))
        {
          tempPath.clear().append("./Software/RoxieCluster[1]/@name");
          wizDefVal.clear().append(m_pEnv->queryProp(tempPath.str()));
        }
        else if(!strcmp(type, "eclServerType"))
        {
          tempPath.clear().append("./Software/EclServerProcess[1]/@name");
          wizDefVal.clear().append(m_pEnv->queryProp(tempPath.str()));
        }
        else if(!strcmp(type, "eclCCServerType"))
        {
          tempPath.clear().append("./Software/EclCCServerProcess[1]/@name");
          wizDefVal.clear().append(m_pEnv->queryProp(tempPath.str()));
        }
        else if(!strcmp(type, "espProcessType"))
        {
          tempPath.clear().append("./Software/EspProcess[1]/@name");
          wizDefVal.clear().append(m_pEnv->queryProp(tempPath.str()));
        }
        else if(!strcmp(type, "espBindingType"))
        {
          IPropertyTree* pAppInfo = attr.queryPropTree("xs:annotation/xs:appinfo");
          StringBuffer xpath;
          const char* serviceType = NULL;
          if (pAppInfo)
          {
            serviceType = pAppInfo->queryProp("serviceType");
            if (serviceType)
              xpath.clear().append("Software/EspService");
          }
          else
             xpath.clear().appendf("Software/*[@buildSet='%s']", type);
          
          wizDefVal.clear();
          
          Owned<IPropertyTreeIterator> iterEspServices = m_pEnv->getElements(xpath);
          short blank = 0;
          ForEach (*iterEspServices)
          {
            IPropertyTree* pEspService = &iterEspServices->query();

            if(serviceType)
            {
              xpath.clear().appendf("Properties[@type='%s']", serviceType);
              if (pEspService->queryPropTree(xpath.str()) == NULL)
                continue;
            }
           
            Owned<IPropertyTreeIterator> iter = m_pEnv->getElements("Software/EspProcess[1]");

            ForEach (*iter)
            {
              IPropertyTree* pEspProcess = &iter->query();
              xpath.clear().appendf("EspBinding[@service='%s']", pEspService->queryProp(XML_ATTR_NAME));
              if(pEspProcess->queryPropTree(xpath.str()) != NULL)
                wizDefVal.append(pEspProcess->queryProp(XML_ATTR_NAME)).append("/").append(pEspService->queryProp(XML_ATTR_NAME));
            }
           }
         }
         else if(!strcmp(type, "ipAddressAndPort"))
         {
           StringBuffer defaultPort;
           tempPath.clear().append("./xs:annotation/xs:appinfo/defaultPort");
           defaultPort.append(attr.queryProp(tempPath.str()));
           tempPath.clear().append("./xs:annotation/xs:appinfo/autogenxpath");
           if(attr.hasProp(tempPath.str()))
           {
              StringBuffer computerName;
              computerName.append(m_pEnv->queryProp(attr.queryProp(tempPath.str())));
              tempPath.clear().appendf("./Hardware/Computer[@name=\"%s\"]",computerName.str());
              if(m_pEnv->hasProp(tempPath.str()))
              {
                IPropertyTree* pHard = m_pEnv->queryPropTree(tempPath.str());
                if(pHard)
                  wizDefVal.clear().append(pHard->queryProp("./"XML_ATTR_NETADDRESS)).append(":").append(defaultPort);
              }
           }
         }
      }

private:

  Linked<const IPropertyTree> m_pEnv;
  Linked<IPropertyTree> m_pSchemaRoot;
  IPropertyTree* m_pCompTree;
  IPropertyTree* m_pDefTree;
  Owned<IPropertyTree> m_viewChildNodes;
  Owned<IPropertyTree> m_multiRowNodes;
  StringBuffer m_jsStrBuf;
  StringBuffer m_colIndex;
  StringBuffer m_columns;
  StringBuffer m_xsdName;
  StringBuffer m_jsName;
  StringBuffer m_compName;
  StringBuffer m_xpathDefn;
  StringBuffer m_splitterTabName;
  StringArray m_tabNameArray;
  StringArray m_hiddenTabNameArray;
  short m_numAttrs;
  bool m_allSubTypes;
  bool m_wizFlag;
  bool m_genOptional;
  Linked<CWizardInputs> m_wizard;
};

short treeHasMultipleCompsOfSameType(Linked<IPropertyTree> compTypeTree, const char* xpath)
{
  Owned<IPropertyTreeIterator> iter = compTypeTree->getElements(xpath);
  IPropertyTree *element = NULL;
  short count = 0;

  if (iter)
    if (iter->first())
    {
      if (iter->isValid())
      {
        element = &iter->query();
        if (iter->next())
        {
          Owned<IPropertyTreeIterator> iterDup = compTypeTree->getElements(xpath);
          ForEach(*iterDup) count++;
        }
        else
          count = 1;
      }
    }

    return count;
}

bool generateHeadersFromXsd(IPropertyTree* pEnv, const char* xsdName, const char* jsName)
{
  CGenerateJSFromXSD obj(pEnv, xsdName, jsName);
  return obj.generateHeaders();
}

IPropertyTree* generateTreeFromXsd(const IPropertyTree* pEnv, IPropertyTree* pSchema, const char* compName, bool allSubTypes, bool wizFlag, CWizardInputs* pWInputs, bool genOptional)
{
  Owned<IPropertyTree> pCompTree(createPTree(compName));
  CGenerateJSFromXSD obj(pEnv, pSchema, "", compName);
  obj.setCompTree(pCompTree, allSubTypes);
  obj.setWizardFlag(wizFlag);
  obj.setGenerateOptional(genOptional);
  obj.setWizard(pWInputs);
  obj.generateHeaders();
  return pCompTree.getLink();
}

bool generateHardwareHeaders(const IPropertyTree* pEnv, StringBuffer& sbDefn, bool writeOut, IPropertyTree* pCompTree)
{
  if (pCompTree)
  {
    StringBuffer xpath,sbdefaultValue("");
    IPropertyTree* pComputerType = pCompTree->addPropTree(XML_TAG_COMPUTERTYPE, createPTree());
    xpath.clear().append(XML_ATTR_NAME);
    pComputerType->addProp(xpath, sbdefaultValue.str());
    xpath.clear().append(XML_ATTR_MANUFACTURER);
    pComputerType->addProp(xpath, sbdefaultValue.str());
    xpath.clear().append(XML_ATTR_COMPUTERTYPE);
    pComputerType->addProp(xpath, sbdefaultValue.str());
    xpath.clear().append(XML_ATTR_OPSYS);
    pComputerType->addProp(xpath, sbdefaultValue.str());
    xpath.clear().append(XML_ATTR_MEMORY);
    pComputerType->addProp(xpath, sbdefaultValue.str());
    xpath.clear().append(XML_ATTR_NICSPEED);
    pComputerType->addProp(xpath, sbdefaultValue.str());

    IPropertyTree* pComputer = pCompTree->addPropTree(XML_TAG_COMPUTER, createPTree());
    xpath.clear().append(XML_ATTR_NAME);
    pComputer->addProp(xpath, sbdefaultValue.str());
    xpath.clear().append(XML_ATTR_NETADDRESS);
    pComputer->addProp(xpath, sbdefaultValue.str());
    xpath.clear().append(XML_ATTR_DOMAIN);
    pComputer->addProp(xpath, sbdefaultValue.str());
    xpath.clear().append(XML_ATTR_COMPUTERTYPE);
    pComputer->addProp(xpath, sbdefaultValue.str());

    IPropertyTree* pSwitch = pCompTree->addPropTree(XML_TAG_SWITCH, createPTree());
    xpath.clear().append(XML_ATTR_NAME);

    IPropertyTree* pDomain = pCompTree->addPropTree(XML_TAG_DOMAIN, createPTree());
    xpath.clear().append(XML_ATTR_NAME);
    pDomain->addProp(xpath, sbdefaultValue.str());
    xpath.clear().append(XML_ATTR_USERNAME);
    pDomain->addProp(xpath, sbdefaultValue.str());
    xpath.clear().append(XML_ATTR_PASSWORD);
    pDomain->addProp(xpath, sbdefaultValue.str());
    xpath.clear().append("@snmpSecurityString");
    pDomain->addProp(xpath, sbdefaultValue.str());
  }
  else
  {
    StringBuffer jsStrBuf("var compTabs = new Array();");
    jsStrBuf.append("compTabs['Hardware'] = new Array();");
    jsStrBuf.append("var compTabToNode = new Array();");
    jsStrBuf.append("var cS = new Array();");
    addItem(jsStrBuf, pEnv, XML_TAG_COMPUTERTYPE, TAG_NAME, "", 0, 1, "", 1);
    addItem(jsStrBuf, pEnv, XML_TAG_COMPUTERTYPE,  TAG_MANUFACTURER, "", 0, 1, "", 1);
    addItem(jsStrBuf, pEnv, XML_TAG_COMPUTERTYPE, TAG_COMPUTERTYPE, "", 0, 1, "", 1);
    addItem(jsStrBuf, pEnv, XML_TAG_COMPUTERTYPE,  TAG_OPSYS, "", 0, 1, "|new Array('W2K','solaris','linux')", 4);
    addItem(jsStrBuf, pEnv, XML_TAG_COMPUTERTYPE,  TAG_MEMORY, "", 0, 1, "", 1);
    addItem(jsStrBuf, pEnv, XML_TAG_COMPUTERTYPE,  TAG_NICSPEED, "", 0, 1, "", 1);
    addItem(jsStrBuf, pEnv, XML_TAG_SWITCH,  TAG_NAME, "", 0, 1, "", 1);
    addItem(jsStrBuf, pEnv, XML_TAG_DOMAIN,  TAG_NAME, "", 0, 1, "", 1);
    addItem(jsStrBuf, pEnv, XML_TAG_DOMAIN,  TAG_USERNAME, "", 0, 1, "", 1);
    addItem(jsStrBuf, pEnv, XML_TAG_DOMAIN,  TAG_PASSWORD, "", 0, 1, "", 5);
    addItem(jsStrBuf, pEnv, XML_TAG_DOMAIN,  TAG_SNMPSECSTRING, "", 0, 1, "", 5);
    addItem(jsStrBuf, pEnv, XML_TAG_COMPUTER,  TAG_NAME, "", 0, 1, "", 1);
    addItem(jsStrBuf, pEnv, XML_TAG_COMPUTER,  TAG_NETADDRESS, "", 0, 1, "", 1);
    addItem(jsStrBuf, pEnv, XML_TAG_COMPUTER,  TAG_DOMAIN, "", 0, 1, XML_TAG_HARDWARE"/"XML_TAG_DOMAIN, 4);
    addItem(jsStrBuf, pEnv, XML_TAG_COMPUTER,  TAG_COMPUTERTYPE, "", 0, 1, XML_TAG_HARDWARE"/"XML_TAG_COMPUTERTYPE, 4);
    jsStrBuf.append("compTabs['Hardware'][compTabs['Hardware'].length]= 'Computer Types';");
    jsStrBuf.append("compTabs['Hardware'][compTabs['Hardware'].length]= 'Switches';");
    jsStrBuf.append("compTabs['Hardware'][compTabs['Hardware'].length]= 'Domains';");
    jsStrBuf.append("compTabs['Hardware'][compTabs['Hardware'].length]= 'Computers';");
    jsStrBuf.append("compTabToNode['Computer Types']= 'ComputerType';");
    jsStrBuf.append("compTabToNode['Switches']= 'Switch';");
    jsStrBuf.append("compTabToNode['Domains']= 'Domain';");
    jsStrBuf.append("compTabToNode['Computers']= 'Computer';");

    int index = 0;
    jsStrBuf.append("var colIndex = new Array();");
    jsStrBuf.appendf("colIndex['nameComputer Types']=%d;", index++);
    jsStrBuf.appendf("colIndex['manufacturerComputer Types']=%d;", index++);
    jsStrBuf.appendf("colIndex['computerTypeComputer Types']=%d;", index++);
    jsStrBuf.appendf("colIndex['opSysComputer Types']=%d;", index++);
    jsStrBuf.appendf("colIndex['nameSwitches']=%d;", 0);
    index=0;
    jsStrBuf.appendf("colIndex['nameDomains']=%d;", index++);
    jsStrBuf.appendf("colIndex['usernameDomains']=%d;", index++);
    jsStrBuf.appendf("colIndex['passwordDomains']=%d;", index++);
    index=0;
    jsStrBuf.appendf("colIndex['nameComputers']=%d;", index++);
    jsStrBuf.appendf("colIndex['netAddressComputers']=%d;", index++);
    jsStrBuf.appendf("colIndex['domainComputers']=%d;", index++);
    jsStrBuf.appendf("colIndex['computerTypeComputers']=%d;", index++);

    sbDefn.clear().append(jsStrBuf);

    if (writeOut)
      writeToFile(CONFIGMGR_JSPATH"hardware.js", jsStrBuf);
  }

  return true;
}

bool generateHeadersForEnvSettings(const IPropertyTree* pEnv, StringBuffer& sbDefn, bool writeOut)
{
  StringBuffer jsStrBuf("var compTabs = new Array();");
  jsStrBuf.append("compTabs['EnvSettings'] = new Array();");
  jsStrBuf.append("var compTabToNode = new Array();");
  jsStrBuf.append("var cS = new Array();");
  addItem(jsStrBuf, pEnv, "", TAG_SRCPATH, "", 0, 1, "", 0);
  addItem(jsStrBuf, pEnv, "", TAG_LOCK, "", 0, 1, "", 0);
  addItem(jsStrBuf, pEnv, "", TAG_CONFIGS, "", 0, 1, "", 0);
  addItem(jsStrBuf, pEnv, "", TAG_PATH, "", 0, 1, "", 0);
  addItem(jsStrBuf, pEnv, "", TAG_RUNTIME, "", 0, 1, "", 0);
  jsStrBuf.append("compTabs['EnvSettings'][compTabs['EnvSettings'].length]= 'Attributes';");

  sbDefn.clear().append(jsStrBuf);

  if (writeOut)
    writeToFile(CONFIGMGR_JSPATH"EnvSettings.js", jsStrBuf);

  return true;
}

bool generateHeadersForEnvXmlView(const IPropertyTree* pEnv, StringBuffer& sbDefn, bool writeOut)
{
  StringBuffer jsStrBuf("var compTabs = new Array();");
  jsStrBuf.append("compTabs['Environment'] = new Array();");
  jsStrBuf.append("var compTabToNode = new Array();");
  jsStrBuf.append("var cS = new Array();");
  jsStrBuf.append("var colIndex = new Array();");

  int index = 0;
  jsStrBuf.appendf("colIndex['nameEnvironment']=%d;", index++);
  jsStrBuf.appendf("colIndex['valueEnvironment']=%d;", index++);

  jsStrBuf.appendf("var attr%s%s = {};", TAG_NAME, TAG_ATTRIBUTE);
  jsStrBuf.appendf("attr%s%s.tab = 'Environment';", TAG_NAME, TAG_ATTRIBUTE);
  jsStrBuf.appendf("attr%s%s.tip = '';", TAG_NAME, TAG_ATTRIBUTE);
  jsStrBuf.appendf("attr%s%s.hidden = 0;", TAG_NAME, TAG_ATTRIBUTE);
  jsStrBuf.appendf("attr%s%s.required = 1;", TAG_NAME, TAG_ATTRIBUTE);
  jsStrBuf.appendf("attr%s%s.ctrlType = 1;", TAG_NAME, TAG_ATTRIBUTE);
  jsStrBuf.appendf("cS['%s%s']=attr%s%s;", TAG_NAME, TAG_ATTRIBUTE, TAG_NAME, TAG_ATTRIBUTE);

  jsStrBuf.appendf("var attr%s%s = {};", TAG_VALUE, TAG_ATTRIBUTE);
  jsStrBuf.appendf("attr%s%s.tab = 'Environment';", TAG_VALUE, TAG_ATTRIBUTE);
  jsStrBuf.appendf("attr%s%s.tip = '';", TAG_VALUE, TAG_ATTRIBUTE);
  jsStrBuf.appendf("attr%s%s.hidden = 0;", TAG_VALUE, TAG_ATTRIBUTE);
  jsStrBuf.appendf("attr%s%s.required = 1;", TAG_VALUE, TAG_ATTRIBUTE);
  jsStrBuf.appendf("attr%s%s.ctrlType = 1;", TAG_VALUE, TAG_ATTRIBUTE);
  jsStrBuf.appendf("cS['%s%s']=attr%s%s;", TAG_VALUE, TAG_ATTRIBUTE, TAG_VALUE, TAG_ATTRIBUTE);

  jsStrBuf.appendf("var attr%s%s = {};", TAG_NAME, TAG_ELEMENT);
  jsStrBuf.appendf("attr%s%s.tab = 'Environment';", TAG_NAME, TAG_ELEMENT);
  jsStrBuf.appendf("attr%s%s.tip = '';", TAG_NAME, TAG_ELEMENT);
  jsStrBuf.appendf("attr%s%s.hidden = 0;", TAG_NAME, TAG_ELEMENT);
  jsStrBuf.appendf("attr%s%s.required = 1;", TAG_NAME, TAG_ELEMENT);
  jsStrBuf.appendf("attr%s%s.ctrlType = 1;", TAG_NAME, TAG_ELEMENT);
  jsStrBuf.appendf("cS['%s%s']=attr%s%s;", TAG_NAME, TAG_ELEMENT, TAG_NAME, TAG_ELEMENT);

  jsStrBuf.appendf("var attr%s%s = {};", TAG_VALUE, TAG_ELEMENT);
  jsStrBuf.appendf("attr%s%s.tab = 'Environment';", TAG_VALUE, TAG_ELEMENT);
  jsStrBuf.appendf("attr%s%s.tip = '';", TAG_VALUE, TAG_ELEMENT);
  jsStrBuf.appendf("attr%s%s.hidden = 0;", TAG_VALUE, TAG_ELEMENT);
  jsStrBuf.appendf("attr%s%s.required = 1;", TAG_VALUE, TAG_ELEMENT);
  jsStrBuf.appendf("attr%s%s.ctrlType = 1;", TAG_VALUE, TAG_ELEMENT);
  jsStrBuf.appendf("cS['%s%s']=attr%s%s;", TAG_VALUE, TAG_ELEMENT, TAG_VALUE, TAG_ELEMENT);

  jsStrBuf.append("compTabs['Environment'][compTabs['Environment'].length]= 'Environment';");

  sbDefn.clear().append(jsStrBuf);

  if (writeOut)
    writeToFile(CONFIGMGR_JSPATH"Environment.js", jsStrBuf);

  return true;
}

bool generateHeaderForDeployableComps(const IPropertyTree* pEnv, StringBuffer& sbDefn, bool writeOut)
{
  short index = 0;
  StringBuffer jsStrBuf("var compTabs = new Array();");
  jsStrBuf.append("compTabs['Deploy'] = new Array();");
  jsStrBuf.append("var compTabToNode = new Array();");
  jsStrBuf.append("var cS = new Array();");
  jsStrBuf.append("var colIndex = new Array();");
  addItem(jsStrBuf, pEnv, XML_TAG_COMPONENT, TAG_BUILD, "", 0, 1, "", 0);
  addItem(jsStrBuf, pEnv, XML_TAG_COMPONENT, TAG_BUILDSET, "", 0, 1, "", 0);
  addItem(jsStrBuf, pEnv, XML_TAG_COMPONENT, TAG_NAME, "", 0, 1, "", 0);
  addItem(jsStrBuf, pEnv, XML_TAG_INSTANCES, TAG_BUILDSET, "", 0, 1, "", 0);
  addItem(jsStrBuf, pEnv, XML_TAG_INSTANCES, TAG_DIRECTORY, "", 0, 1, "", 0);
  addItem(jsStrBuf, pEnv, XML_TAG_INSTANCES, TAG_NODENAME, "", 0, 1, "", 0);
  jsStrBuf.append("compTabs['Deploy'][compTabs['Deploy'].length]= 'Deploy';");
  jsStrBuf.appendf("colIndex['nameDeploy']=%d;", index++);
  jsStrBuf.appendf("colIndex['buildDeploy']=%d;", index++);
  jsStrBuf.appendf("colIndex['buildSetDeploy']=%d;", index++);

  sbDefn.clear().append(jsStrBuf);
  if (writeOut)
    writeToFile(CONFIGMGR_JSPATH"deploy.js", jsStrBuf);
  return true;
}


bool generateHeaderForTopology(const IPropertyTree* pEnv, StringBuffer& sbDefn, bool writeOut)
{
  short index = 0;
  StringBuffer jsStrBuf("var compTabs = new Array();");
  jsStrBuf.append("compTabs['Topology'] = new Array();");
  jsStrBuf.append("var compTabToNode = new Array();");
  jsStrBuf.append("var cS = new Array();");
  addTopologyType(jsStrBuf, pEnv, "", TAG_NAME, "", 1, 1, "", 1);
  addTopologyType(jsStrBuf, pEnv, "", TAG_BUILDSET, "", 1, 1, "", 1);
  addTopologyType(jsStrBuf, pEnv, XML_TAG_ECLCCSERVERPROCESS,  TAG_PROCESS, "", 0, 1, XML_TAG_SOFTWARE"/EclCCServerProcess", 4);
  addTopologyType(jsStrBuf, pEnv, XML_TAG_ECLSERVERPROCESS,  TAG_PROCESS, "", 0, 1, XML_TAG_SOFTWARE"/EclServerProcess", 4);
  addTopologyType(jsStrBuf, pEnv, XML_TAG_ECLSCHEDULERPROCESS,  TAG_PROCESS, "", 0, 1, XML_TAG_SOFTWARE"/EclSchedulerProcess", 4);
  addTopologyType(jsStrBuf, pEnv, XML_TAG_ECLAGENTPROCESS,  TAG_PROCESS, "", 0, 1, XML_TAG_SOFTWARE"/EclAgentProcess", 4);
  addTopologyType(jsStrBuf, pEnv, XML_TAG_THORCLUSTER,  TAG_PROCESS, "", 0, 1, XML_TAG_SOFTWARE"/ThorCluster", 4);
  addTopologyType(jsStrBuf, pEnv, XML_TAG_ROXIECLUSTER,  TAG_PROCESS, "", 0, 1, XML_TAG_SOFTWARE"/RoxieCluster", 4);
  addTopologyType(jsStrBuf, pEnv, XML_TAG_CLUSTER,  TAG_NAME, "", 0, 1, "", 1);
  addTopologyType(jsStrBuf, pEnv, XML_TAG_CLUSTER,  TAG_PREFIX, "", 0, 1, "", 1);
  jsStrBuf.append("compTabs['Topology'][compTabs['Topology'].length]= 'Topology';");
  jsStrBuf.append("var colIndex = new Array();");
  jsStrBuf.appendf("colIndex['nameTopology']=%d;", index++);
  jsStrBuf.appendf("colIndex['valueTopology']=%d;", index++);

  sbDefn.append(jsStrBuf);

  if (writeOut)
    writeToFile(CONFIGMGR_JSPATH"Topology.js", jsStrBuf);

  return true;
}

bool generateBuildHeaders(const IPropertyTree* pEnv, bool isPrograms, StringBuffer& sbDefn, bool writeOut)
{
  short index = 0;
  StringBuffer jsStrBuf("var compTabs = new Array();");
  jsStrBuf.append("compTabs['Programs'] = new Array();");
  jsStrBuf.append("var compTabToNode = new Array();");
  jsStrBuf.append("var cS = new Array();");
  addItem(jsStrBuf, pEnv, XML_TAG_PROGRAMS, TAG_NAME, "", 0, 1, "", 1);
  addItem(jsStrBuf, pEnv, XML_TAG_PROGRAMS,  TAG_URL, "", 0, 1, "", 1);
  addItem(jsStrBuf, pEnv, XML_TAG_PROGRAMS, TAG_PATH, "", 0, 1, "", 1);
  addItem(jsStrBuf, pEnv, XML_TAG_PROGRAMS,  TAG_INSTALLSET, "", 0, 1, "", 1);
  addItem(jsStrBuf, pEnv, XML_TAG_PROGRAMS,  TAG_PROCESSNAME, "", 0, 1, "", 1);
  addItem(jsStrBuf, pEnv, XML_TAG_PROGRAMS,  TAG_SCHEMA, "", 0, 1, "", 1);
  addItem(jsStrBuf, pEnv, XML_TAG_PROGRAMS,  TAG_DEPLOYABLE, "", 0, 1, "", 1);
  jsStrBuf.append("compTabs['Programs'][compTabs['Programs'].length]= 'Programs';");
  jsStrBuf.append("var colIndex = new Array();");
  jsStrBuf.appendf("colIndex['namePrograms']=%d;", index++);
  jsStrBuf.appendf("colIndex['pathPrograms']=%d;", index++);
  jsStrBuf.appendf("colIndex['installSetPrograms']=%d;", index++);
  jsStrBuf.appendf("colIndex['processNamePrograms']=%d;", index++);
  jsStrBuf.appendf("colIndex['schemaPrograms']=%d;", index++);
  jsStrBuf.appendf("colIndex['deployablePrograms']=%d;", index++);

  if (isPrograms)
    sbDefn.clear().append(jsStrBuf);

  if (writeOut)
    writeToFile(CONFIGMGR_JSPATH"programs.js", jsStrBuf);

  jsStrBuf.clear().append("var compTabs = new Array();");
  jsStrBuf.append("compTabs['BuildSet'] = new Array();");
  jsStrBuf.append("var compTabToNode = new Array();");
  jsStrBuf.append("var cS = new Array();");
  addItem(jsStrBuf, pEnv, XML_TAG_BUILDSET, TAG_NAME, "", 0, 1, "", 1);
  addItem(jsStrBuf, pEnv, XML_TAG_BUILDSET,  TAG_METHOD, "", 0, 1, "", 1);
  addItem(jsStrBuf, pEnv, XML_TAG_BUILDSET, TAG_SRCPATH, "", 0, 1, "", 1);
  addItem(jsStrBuf, pEnv, XML_TAG_BUILDSET,  TAG_DESTPATH, "", 0, 1, "", 1);
  addItem(jsStrBuf, pEnv, XML_TAG_BUILDSET,  TAG_DESTNAME, "", 0, 1, "", 1);
  jsStrBuf.append("compTabs['BuildSet'][compTabs['BuildSet'].length]= 'BuildSet';");

  if (!isPrograms)
    sbDefn.clear().append(jsStrBuf);

  if (writeOut)
    writeToFile(CONFIGMGR_JSPATH"buildset.js", jsStrBuf);

  return true;
}

bool generateHeadersFromEnv(const IPropertyTree* pEnv, StringBuffer& sbDefn, bool writeOut)
{
  StringBuffer jsStrBuf(" var nodeFullData = new Array(); \
var nodeRoot = {}; \
nodeRoot['Name'] = 'Environment'; \
nodeRoot['DisplayName'] = 'Environment'; \
nodeRoot['CompType'] = 'Environment'; \
nodeRoot['Build'] = ''; \
nodeRoot['BuildSet'] = ''; \
nodeRoot['Params'] = ''; \
nodeRoot['id'] = 0; \
nodeRoot['parent'] = -1; \
nodeRoot['depth'] = 0; \
nodeFullData[0] = nodeRoot;  \
");

  StringBuffer compList, espServiceList, pluginsList;
  getInstalledComponents(NULL, compList, espServiceList, pluginsList, pEnv);
  jsStrBuf.append("nodeRoot['menuComps'] = new Array(").append(compList).append(");");
  jsStrBuf.append("nodeRoot['menuEspServices'] = new Array(").append(espServiceList).append(");");
  jsStrBuf.append("nodeRoot['menuPlugins'] = new Array(").append(pluginsList).append(");");

  short nodeIndex = 1;
  short index = 1;
  short compTypeIndex = 0;
  short buildSetIndex = 0;
  StringBuffer lastCompAdded;
  StringBuffer xPath;
  xPath.append("*");
  Owned<IPropertyTreeIterator> iter = pEnv->getElements(xPath.str(), iptiter_sort);

  ForEach(*iter)
  {
    IPropertyTree& compTypeTree = iter->query();
    StringBuffer compTypeName;
    compTypeTree.getName(compTypeName);

    if (!stricmp(compTypeName.str(), "Data") || !stricmp(compTypeName.str(), "EnvSettings") || !strcmp(compTypeName.str(), XML_TAG_PROGRAMS))
      continue;

    const char* pszCompTypeName = compTypeName.str();
    jsStrBuf.appendf("var node%s = {};", pszCompTypeName);
    jsStrBuf.appendf("node%s['Name'] = '%s';", pszCompTypeName, pszCompTypeName);

    if (!strcmp(pszCompTypeName, XML_TAG_PROGRAMS))
      jsStrBuf.appendf("node%s['DisplayName'] = '%s';", pszCompTypeName, "Builds");
    else if (!strcmp(pszCompTypeName, "EnvSettings"))
      jsStrBuf.appendf("node%s['DisplayName'] = '%s';", pszCompTypeName, "Environment Settings");
    else
      jsStrBuf.appendf("node%s['DisplayName'] = '%s';", pszCompTypeName, pszCompTypeName);

    jsStrBuf.appendf("node%s['CompType'] = '%s';", pszCompTypeName, pszCompTypeName);
    jsStrBuf.appendf("node%s['Build'] = '%s';", pszCompTypeName, "");
    jsStrBuf.appendf("node%s['BuildSet'] = '%s';", pszCompTypeName, "");
    jsStrBuf.appendf("node%s['menu'] = '%s';", pszCompTypeName, "m4");
    jsStrBuf.appendf("node%s['Params'] = '%s';", pszCompTypeName, "");
    jsStrBuf.appendf("node%s['id'] = %d;", pszCompTypeName, index);
    jsStrBuf.appendf("node%s['parent'] = %d;", pszCompTypeName, 0);
    jsStrBuf.appendf("node%s['depth'] = 1;", pszCompTypeName);
    jsStrBuf.appendf("nodeFullData[%d] = node%s;", nodeIndex++, pszCompTypeName);
    compTypeIndex = index;
    index++;

    Owned<IPropertyTreeIterator> iter2 = compTypeTree.getElements(xPath.str(), iptiter_sort);
    ForEach(*iter2)
    {
      IPropertyTree &compTree = iter2->query();
      StringBuffer compName;
      compTree.getName(compName);
      const char* pszCompName = compName.str();
      StringBuffer build;
      StringBuffer buildset;
      StringBuffer compAttrName;
      build = compTree.queryProp(XML_ATTR_BUILD);
      buildset = compTree.queryProp(XML_ATTR_BUILDSET);

      xPath.clear().appendf("%s", pszCompName);
      short multipleComps = treeHasMultipleCompsOfSameType(&compTypeTree, xPath.str());
      xPath.clear().append("*");

      if (compTree.hasProp(XML_ATTR_BUILD) && compTree.hasProp(XML_ATTR_BUILDSET))
      {
        const char* pszBuildset;

        if (!strcmp(pszCompName, XML_TAG_ESPSERVICE))
          pszBuildset = XML_TAG_ESPSERVICE;
        else if (!strcmp(pszCompName, XML_TAG_PLUGINPROCESS))
          pszBuildset = "Plugin";
        else if(!strcmp(pszCompName, XML_TAG_ECLSERVERPROCESS))
          pszBuildset = "EclServer";
        else
          pszBuildset = buildset.str();

        if ((multipleComps > 1) && (lastCompAdded.length() == 0 || strcmp(lastCompAdded.str(), pszBuildset))) 
        {
          char szBuf[200];
          GetDisplayProcessName(compTree.queryName(), szBuf);
          compAttrName.append(szBuf).appendf(" (%d)", multipleComps);

          jsStrBuf.appendf("var node%s = {};", pszBuildset);
          jsStrBuf.appendf("node%s['Name'] = '%s';", pszBuildset, ""/*pszBuildset*/);
          jsStrBuf.appendf("node%s['DisplayName'] = '%s';", pszBuildset, compAttrName.str());
          jsStrBuf.appendf("node%s['CompType'] = '%s';", pszBuildset, pszBuildset);
          jsStrBuf.appendf("node%s['Build'] = '%s';", pszBuildset, "");
          jsStrBuf.appendf("node%s['BuildSet'] = '%s';", pszBuildset, "");
          jsStrBuf.appendf("node%s['menu'] = '%s';", pszBuildset, "");
          jsStrBuf.appendf("node%s['Params'] = '%s';", pszBuildset, "");
          jsStrBuf.appendf("node%s['id'] = %d;", pszBuildset, index);
          jsStrBuf.appendf("node%s['parent'] = %d;", pszBuildset, compTypeIndex);
          jsStrBuf.appendf("node%s['depth'] = 2;", pszBuildset);
          jsStrBuf.appendf("nodeFullData[%d] = node%s;", nodeIndex++, pszBuildset);
          buildSetIndex = index;
          index++;
        }

        lastCompAdded.clear().append(pszBuildset);

        GetDisplayName(&compTree, compAttrName, (multipleComps <= 1));

        jsStrBuf.appendf("var node%s = {};", pszCompName);
        jsStrBuf.appendf("node%s['Name'] = '%s';", pszCompName, compTree.queryProp(XML_ATTR_NAME));
        jsStrBuf.appendf("node%s['DisplayName'] = '%s';", pszCompName, compAttrName.str());
        jsStrBuf.appendf("node%s['CompType'] = '%s';", pszCompName, pszCompName);
        jsStrBuf.appendf("node%s['Build'] = '%s';", pszCompName, build.str());
        jsStrBuf.appendf("node%s['BuildSet'] = '%s';", pszCompName, buildset.str());
        jsStrBuf.appendf("node%s['menu'] = '%s';", pszCompName, "");
        jsStrBuf.appendf("node%s['Params'] = '%s';", pszCompName, "");
        jsStrBuf.appendf("node%s['id'] = %d;", pszCompName, index);
        jsStrBuf.appendf("node%s['parent'] = %d;", pszCompName, (multipleComps > 1)?buildSetIndex:compTypeIndex);
        jsStrBuf.appendf("node%s['depth'] = %d;", pszCompName, (multipleComps > 1)?3:2);
        jsStrBuf.appendf("nodeFullData[%d] = node%s;", nodeIndex++, pszCompName);
        index++;
      }
      else if (!strcmp(pszCompName, "Directories"))
      {
        jsStrBuf.appendf("var node%s = {};", pszCompName);
        jsStrBuf.appendf("node%s['Name'] = '%s';", pszCompName, pszCompName);
        jsStrBuf.appendf("node%s['DisplayName'] = '%s';", pszCompName, pszCompName);
        jsStrBuf.appendf("node%s['CompType'] = '%s';", pszCompName, pszCompName);
        jsStrBuf.appendf("node%s['Build'] = '';", pszCompName);
        jsStrBuf.appendf("node%s['BuildSet'] = '';", pszCompName);
        jsStrBuf.appendf("node%s['menu'] = '%s';", pszCompName, "");
        jsStrBuf.appendf("node%s['Params'] = '%s';", pszCompName, "");
        jsStrBuf.appendf("node%s['id'] = %d;", pszCompName, index);
        jsStrBuf.appendf("node%s['parent'] = %d;", pszCompName, compTypeIndex);
        jsStrBuf.appendf("node%s['depth'] = %d;", pszCompName, 2);
        jsStrBuf.appendf("nodeFullData[%d] = node%s;", nodeIndex++, pszCompName);
        index++;
      }
    }
  }

  jsStrBuf.append("function getNavTreeData(){return nodeFullData;}");
  jsStrBuf.append("(function(){navTreeData = nodeFullData;})();");
  sbDefn.clear().append(jsStrBuf);

  if (writeOut)
  {
    StringBuffer jsName(CONFIGMGR_JSPATH);
    jsName.append("navtreedata.js");
    writeToFile(jsName, jsStrBuf);
  }
  
  return true;
}

void generateHeaderForMisc()
{
  //this file is expected when the environment is updated. so just create an empty file
  StringBuffer jsName(CONFIGMGR_JSPATH);
  jsName.append("refresh.js");
  Owned<IFile> pFile = createIFile(jsName);
}

bool generateHeaders(const IPropertyTree* pEnv, IConstEnvironment* pConstEnv)
{
  StringBuffer sbTemp;
  generateHeadersFromEnv(pEnv, sbTemp, true);
  generateHardwareHeaders(pEnv, sbTemp, true);
  generateBuildHeaders(pEnv, true, sbTemp, true);
  StringBuffer xPath;
  xPath.append("Software/*");
  Owned<IPropertyTreeIterator> iter2 = pEnv->getElements(xPath.str());
  ForEach(*iter2)
  {
    IPropertyTree &agDef = iter2->query();
    if (agDef.hasProp(XML_ATTR_BUILD) && agDef.hasProp(XML_ATTR_BUILDSET))
    {
      StringBuffer build;
      StringBuffer buildset;
      StringBuffer schemaPath;
      StringBuffer jsName;
      StringBuffer compName;
      build = agDef.queryProp(XML_ATTR_BUILD);
      buildset = agDef.queryProp(XML_ATTR_BUILDSET);
      StringBuffer agName;
      agDef.getName(agName);

      if (!strcmp(agName.str(), XML_TAG_ESPSERVICE) || !strcmp(agName.str(), XML_TAG_PLUGINPROCESS))
        compName.append(buildset);
      else
        compName.append(agName);

      jsName.append(CONFIGMGR_JSPATH).append(compName).append(".js");

      StringBuffer s;
      s.append("./Programs/Build[@name='").append(build).append("']");
      IPropertyTree *b = pEnv->queryPropTree(s.str());

      if (b)
      {
        s.clear().append("BuildSet[@name='").append(buildset).append("']");
        IPropertyTree *bs = b->queryPropTree(s.str());
        IPropertyTree * pTree = loadSchema(b, bs, schemaPath, pConstEnv);
        fprintf(stdout, "Loading schema file %s", schemaPath.str());
        try
        {
          CGenerateJSFromXSD obj(pEnv, pTree, jsName, compName);
          obj.generateHeaders();
        }
        catch(IException *E)
        {
          StringBuffer buf;
          (E->errorMessage(buf).str());
          printf("%s", buf.str());
          E->Release();
        }
      }
    }
  }

  generateHeaderForTopology(pEnv, sbTemp, true);
  generateHeaderForDeployableComps(pEnv, sbTemp, true);
  generateHeaderForMisc();
  return true;
}

bool getComputersListWithUsage(const IPropertyTree* pEnv, StringBuffer& sbComputers, StringBuffer& sbFilter)
{
  CComputerPicker cpick;
  cpick.SetRootNode(pEnv);
  sbComputers.clear();
  toXML(cpick.getComputerTree(), sbComputers, false);
  toXML(cpick.getFilterTree(), sbFilter, false);

  return true;
}


bool handleRoxieOperation(IPropertyTree* pEnv, const char* cmd, const char* xmlStr)
{
  CConfigEnvHelper configEnv(pEnv);
  bool result = configEnv.handleRoxieOperation(cmd, xmlStr);

  return result;
}

bool handleThorTopologyOp(IPropertyTree* pEnv, const char* cmd, const char* xmlStr, StringBuffer& sMsg)
{
  CConfigEnvHelper configEnv(pEnv);
  bool result = configEnv.handleThorTopologyOp(cmd, xmlStr, sMsg);

  return result;
}

void addComponentToEnv(IPropertyTree* pEnv, const char* buildSet, StringBuffer& sbNewName, IPropertyTree* pCompTree)
{
  CConfigEnvHelper configEnv(pEnv);
  configEnv.addComponent(buildSet, sbNewName, pCompTree);
}

bool generateHeaderForComponent(const IPropertyTree* pEnv, IPropertyTree* pSchema, const char* compName)
{
  try
  {
    StringBuffer jsName;
    jsName.append(CONFIGMGR_JSPATH).append(compName).append(".js");
    CGenerateJSFromXSD obj(pEnv, pSchema, jsName.str(), compName);
    obj.generateHeaders();
    return true;
  }
  catch(IException *E)
  {
    StringBuffer buf;
    (E->errorMessage(buf).str());
    printf("%s", buf.str());
    E->Release();
  }

  return false;
}

void deleteRecursive(const char* path)
{
        Owned<IFile> pDir = createIFile(path);
        if (pDir->exists())
        {
            if (pDir->isDirectory())
            {
                Owned<IDirectoryIterator> it = pDir->directoryFiles(NULL, false, true);
                ForEach(*it)
                {               
                    StringBuffer name;
                    it->getName(name);
                    
                    StringBuffer childPath(path);
                    childPath.append(PATHSEPCHAR);
                    childPath.append(name);
                    
                    deleteRecursive(childPath.str());
                }
            }
            pDir->remove();
        }
}

void getTabNameArray(const IPropertyTree* pEnv, IPropertyTree* pSchema, const char* compName, StringArray& strArray)
{
    try
  {
    CGenerateJSFromXSD obj(pEnv, pSchema, "", compName);
    obj.generateHeaders();
    obj.getTabNameArray(strArray);
  }
  catch(IException *E)
  {
    StringBuffer buf;
    (E->errorMessage(buf).str());
    printf("%s", buf.str());
    E->Release();
  }
}

void getDefnPropTree(const IPropertyTree* pEnv, IPropertyTree* pSchema, const char* compName, IPropertyTree* pDefTree, StringBuffer xpathDefn)
{
    try
  {
    CGenerateJSFromXSD obj(pEnv, pSchema, "", compName);
    obj.getDefnPropTree(pDefTree, xpathDefn);
  }
  catch(IException *E)
  {
    StringBuffer buf;
    (E->errorMessage(buf).str());
    printf("%s", buf.str());
    E->Release();
  }
}

void getDefnString(const IPropertyTree* pEnv, IPropertyTree* pSchema, const char* compName, StringBuffer& compDefn, StringBuffer& viewChildNodes, StringBuffer& multiRowNodes)
{
  try
  {
    CGenerateJSFromXSD obj(pEnv, pSchema, "", compName);
    obj.getDefnString(compDefn, viewChildNodes, multiRowNodes);
  }
  catch(IException *E)
  {
    StringBuffer buf;
    (E->errorMessage(buf).str());
    printf("%s", buf.str());
    E->Release();
  }
}

bool checkComponentReferences(const IPropertyTree* pEnv, 
                              IPropertyTree* pOrigNode, 
                              const char* szName, 
                              const char* xpath, 
                              StringBuffer& sMsg,
                              const StringArray& attribArray,
                              const char* szNewName/*=NULL*/)
{
  const IPropertyTree* pSoftware = pEnv->queryPropTree(XML_TAG_SOFTWARE);

  // split xpath into 2 strings: one for component and the other for its childrens' xpath
  // so we can report its name, if needed.  For instance, if xpath is 
  // "Topology/EclServerProcess/EclAgentProcess" then create 2 separate xpaths: 
  // "Topology" and "EclServerProcess/EclAgentProcess" so we can report Topology's name.
  //
  StringBuffer xpath1;//component
  const char* xpath2;//remaining
  const char* pSlash = strchr(xpath, '/');
  if (pSlash)
  {
    String str(xpath);
    String* pStr = str.substring(0, strcspn(xpath, "/"));
    xpath1.append(pStr->toCharArray());
    delete pStr;
    xpath2 = pSlash+1;
  }
  else
  {
    xpath1.append(xpath);
    xpath2 = NULL;
  }

  const bool bEspProcess = !strcmp(pOrigNode->queryName(), XML_TAG_ESPPROCESS);
  int nAttribs = attribArray.length();
  Owned<IPropertyTreeIterator> iComp = pSoftware->getElements(xpath1);
  ForEach(*iComp)
  {
    IPropertyTree* pComp = &iComp->query();
    if (pComp == pOrigNode)//resolve circular dependency - don't check against the original node!
      continue;

    Owned<IPropertyTreeIterator> iter;
    if (xpath2)
      iter.setown(pComp->getElements(xpath2));
    else
    {
      iComp->Link();
      iter.setown(iComp.get());
    }

    ForEach(*iter)
    {
      pComp = &iComp->query(); //inner loop may have changed the component if xpath2 is NULL
      if (pComp == pOrigNode)//resolve circular dependency - don't check against the original node!
        continue;

      IPropertyTree* pNode = &iter->query();
      for (int i=0; i<nAttribs; i++)
      {
        const char* attribName = attribArray.item(i);

        const char* szValue = pNode->queryProp(attribName);
        if (!szValue)
          continue;

        bool bMatch;                
        if (bEspProcess)
        {
          const unsigned int len = strlen(szName);
          bMatch = !strncmp(szValue, szName, len) && szValue[len] == '/';
        }
        else
          bMatch = strcmp(szValue, szName)==0;

        if (bMatch)
        {
          if (szNewName==NULL)
          {
            const char* szCompName = pComp->queryProp(XML_ATTR_NAME);
            const char* szElemName = pComp->queryName();

            sMsg.appendf("Component '%s' is referenced by %s %s component", szName, szCompName ? "the":"an instance of", szElemName);

            if (szCompName)
              sMsg.appendf(" '%s'", szCompName);

            sMsg.append(".\nYou must remove all references before it can be deleted.");

            return false;
          }
          else
          {
            if (bEspProcess)
            {
              StringBuffer sNewName(szNewName);
              sNewName.append(szValue).appendf("%d", (int) strlen(szName));
              pNode->setProp(attribName, sNewName);
            }
            else
              pNode->setProp(attribName, szNewName);
          }
        }
      }
    }

    if (xpath2==NULL)
      break;
  }
  return true;
}

bool checkComponentReferences(const IPropertyTree* pEnv, IPropertyTree* pNode, const char* szPrevName, StringBuffer& sMsg, const char* szNewName/*=NULL*/)
{
  const char* szProcess = pNode->queryName();

  // A component may be referenced by other components with any attribute name 
  // (and not just @process), for e.g. @eclServer, @mySQL, @MySQL etc.  The 
  // components are inter-twined with cross links amongst them and there is 
  // no way to figure them out dynamically generically based on just the 
  // schema etc. (we only load one schema at a time anyway).  

  // So we would hard code these rules for dependency checks based on current
  // relationships until we figure out a better way to do the same in future.  
  // The drawback is that these rules will have to be kept in sync with the
  // the introduction of newer relationships.

  // We need to check for other components with different xpaths and each
  // with possibly more than one attribute name so define an StringArray 
  // to store xpaths and another array of StringArray objects to hold list of
  // attributes corresponding to the xpaths to be validated.
  //
  // This avoids multiple traversals of the xpath for multiple attribute names.
  //
  StringArray xpathArray;
  StringArray attribArray[6];//we don't add attributes for more than 6 xpaths 
  //as for EspBinding below
  int numXpaths = 0;
  StringArray& attribs = attribArray[numXpaths++];

  if (!strcmp(szProcess, XML_TAG_DALISERVERPROCESS))
  {
    xpathArray.append("*");
    attribs.append("@daliServer");//EclServerProcess
    attribs.append("@daliServers");
    attribs.append("@daliservers");//DfuProcess
  }
  else if (!strcmp(szProcess, XML_TAG_ECLAGENTPROCESS))
  {
    xpathArray.append("Topology/Cluster/EclAgentProcess");
    attribs.append("@process");
  }
  else if (!strcmp(szProcess, XML_TAG_ECLSERVERPROCESS))
  {
    xpathArray.append("*");
    attribs.append("@eclServer");

    xpathArray.append("Topology/EclServerProcess");
    StringArray& attribs2 = attribArray[numXpaths++];
    attribs2.append("@process");
  }
  else if (!strcmp(szProcess, XML_TAG_ECLCCSERVERPROCESS))
  {
    xpathArray.append("*");
    attribs.append("@eclServer");

    xpathArray.append("Topology/Cluster/EclCCServerProcess");
    StringArray& attribs2 = attribArray[numXpaths++];
    attribs2.append("@process");
  }
  else if (!strcmp(szProcess, XML_TAG_ECLSCHEDULERPROCESS))
  {
    xpathArray.append("*");
    attribs.append("@eclScheduler");

    xpathArray.append("Topology/Cluster/EclSchedulerProcess");
    StringArray& attribs2 = attribArray[numXpaths++];
    attribs2.append("@process");
  }
  else if (!strcmp(szProcess, XML_TAG_ESPSERVICE))
  {
    xpathArray.append("EspProcess/EspBinding");
    attribs.append("@service");
  }
  else if (!strcmp(szProcess, "LDAPServerProcess"))
  {
    xpathArray.append("*");
    attribs.append("@ldapServer");
    attribs.append("ldapSecurity/@server");//under EclServer

    xpathArray.append("EspProcess/Authentication");
    StringArray& attribs2 = attribArray[numXpaths++];
    attribs2.append("@ldapServer");
  }
  else if (!strcmp(szProcess, "MySQLProcess"))
  {
    xpathArray.append("*");
    attribs.append("@mySql");
    attribs.append("@MySql");
    attribs.append("@database");
  }
  else if (!strcmp(szProcess, XML_TAG_PLUGINPROCESS))
  {
    xpathArray.append("EclServerProcess/PluginRef");
    attribs.append("@process");
  }
  else if (!strcmp(szProcess, "RoxieCluster"))
  {
    xpathArray.append("Topology/Cluster/RoxieCluster");
    attribs.append("@process");
  }
  else if (!strcmp(szProcess, XML_TAG_THORCLUSTER))
  {
    xpathArray.append("Topology/Cluster/ThorCluster");
    attribs.append("@process");
  }
  else if (!strcmp(szProcess, XML_TAG_ESPBINDING) || !strcmp(szProcess, XML_TAG_ESPPROCESS))
  {
    xpathArray.append(XML_TAG_ESPSERVICE); 
    attribs.append("@eclWatch");          //ws_ecl
    attribs.append("@attributeServer");//ws_ecl and ws_roxieconfig

    xpathArray.append("EspService/WsEcl");//ws_facts and ws_distrix
    attribArray[numXpaths++].append("@espBinding"); 

    xpathArray.append("EspService/SourceAttributeServer");//ws_roxieconfig
    attribArray[numXpaths++].append("@espBinding"); 

    xpathArray.append(XML_TAG_ECLSERVERPROCESS);
    attribArray[numXpaths++].append("@eclWatch");

    xpathArray.append("DfuplusProcess");
    attribArray[numXpaths++].append("@server");

    xpathArray.append("RegressionSuite");
    StringArray& attribs2 = attribArray[numXpaths++];
    attribs2.append("@server");
    attribs2.append("@roxieconfig");
  }
  else
  {
    xpathArray.append("*");
    attribs.append(XML_ATTR_NAME);
  }

  bool rc = true;
  for (int i=0; i<numXpaths && rc; i++)
    rc = checkComponentReferences(pEnv, pNode, szPrevName, xpathArray.item(i), sMsg, attribArray[i], szNewName);

  return rc;
}


const char* getUniqueName(const IPropertyTree* pEnv, StringBuffer& sName, const char* processName, const char* category)
{
  //if the name ends in _N (where N is a number) then ignore _N to avoid duplicating
  //number suffix as in _N_M
  //
  StringBuffer sPrefix = sName;
  const char* pdx = strrchr(sName.str(), '_');
  if (pdx)
  {
    StringBuffer num(sName);
    char* pszNum = num.detach();

    char *token;
    j_strtok_r(pszNum, "_", &token);

    if (strspn(token, "0123456789") == strlen(token))
    {
      sName.remove(pdx - sName.str(), sName.length() - (pdx - sName.str()));
      sPrefix.clear().append(sName);
    }
    else
    {
      int len = sPrefix.length();
      if (len > 0 && endsWith(sPrefix.str(), "_")) //ends with '_'
        sPrefix = sPrefix.remove(sPrefix.length() - 1, 1); //lose it
    }
  }

  StringBuffer xpath;
  xpath.appendf("./%s/%s[@name='%s']", category, processName, sName.str());
  int iIdx = 2;

  while (pEnv->queryPropTree(xpath))
  {
    sName.clear().appendf("%s_", sPrefix.str()).append(iIdx);
    xpath.clear().appendf("./%s/%s[@name='%s']", category, processName, sName.str());
    iIdx++;
  }

  return sName.str();
}

void getCommonDir(const IPropertyTree* pEnv, const char* catType, const char* buildSetName, const char* compName, StringBuffer& sbVal)
{
  const IPropertyTree* pEnvDirs = pEnv->queryPropTree("Software/Directories");
  const char* commonDirName = pEnvDirs->queryProp(XML_ATTR_NAME);
  StringBuffer xpath;
  xpath.appendf("Category[@name='%s']", catType);
  Owned<IPropertyTreeIterator> iterCats = pEnvDirs->getElements(xpath.str());
  ForEach (*iterCats)
  {
    IPropertyTree* pCat = &iterCats->query();
    StringBuffer sb("Override");
    sb.appendf("[@component='%s'][@instance='%s']",buildSetName, compName);
    IPropertyTree* pCatOver = pCat->queryPropTree(sb.str());
    if (!pCatOver)
    {
      sb.clear().appendf("Override[@instance='%s']", compName);

      Owned<IPropertyTreeIterator> overIter = pCat->getElements(sb.str());
      ForEach(*overIter)
      {
        IPropertyTree* pTmp = &overIter->query();
        if (!pTmp->queryProp("@component"))
        {
          pCatOver = pTmp;
          sbVal.clear().append(pCatOver->queryProp("@dir"));
          break;
        }
      }

      if (!pCatOver)
        sbVal.clear().append(pCat->queryProp("@dir"));
    }
    else
      sbVal.clear().append(pCatOver->queryProp("@dir"));

    sbVal.replaceString("[COMPONENT]",buildSetName);
    sbVal.replaceString("[INST]", compName);
    sbVal.replaceString("[NAME]",  commonDirName);
    break;
  }
}

IPropertyTree* getNewRange(const IPropertyTree* pEnv, const char* prefix, const char* domain, const char* cType, const char* startIP, const char* endIP)
{
   StringBuffer sXML;
   int nCount = 0;

   IpAddress start(startIP);
   IpAddress end(endIP);
   unsigned s, e;
     start.getNetAddress(sizeof(s),&s);
   end.getNetAddress(sizeof(e),&e);
   if( s > e)
   {
     s^=e^=s^=e;
     const char* temp = startIP;
     startIP = endIP;
     endIP= temp;
   }

   if (start.isNull())
     throw MakeStringException(-1, "Invalid start ip address: %s", startIP);

   if (end.isNull())
     throw MakeStringException(-1, "Invalid stop ip address: %s", endIP);

   if ((s << 8) != (e << 8))
     throw MakeStringException(-1, "Start and stop IP addresses must be within same subnet");
  
   // Create string for common attributes
   StringBuffer attr, val, sAttributes;
   attr.appendf(" %s=\"%s\"", &XML_ATTR_DOMAIN[1], domain);
   attr.appendf(" %s=\"%s\"", &XML_ATTR_COMPUTERTYPE[1], cType);

   IpAddress range;
   StringBuffer iprange(startIP);
   String str(startIP);
   iprange.append("-").append(endIP + str.lastIndexOf('.') + 1);
   range.ipsetrange(iprange.str());
   StringBuffer sNode("<"XML_TAG_HARDWARE">"), sName, sIP;
   int count = (e >> 24) - (s >> 24) + 1;
   nCount = count;
   
   while (count--)
   {
     range.getIpText(sIP.clear());
     unsigned x;
       range.getNetAddress(sizeof(x),&x);
     sName.clear().appendf("%s%03d%03d", prefix, (x >> 16) & 0xFF, (x >> 24) & 0xFF);
     sNode.appendf("<"XML_TAG_COMPUTER" %s=\"%s\" %s=\"%s\" %s/>",
                      &XML_ATTR_NAME[1], getUniqueName(pEnv, sName, XML_TAG_COMPUTER, XML_TAG_HARDWARE),
                      &XML_ATTR_NETADDRESS[1], sIP.str(),
                      attr.str());
     range.ipincrement(1);
   }
   
   if (sNode.length() > 10)
   {
    sNode.append("</"XML_TAG_HARDWARE">");
    IPropertyTree* pTree = createPTreeFromXMLString(sNode);
    return pTree;
   }
   else 
     return NULL;
}

bool ensureUniqueName(const IPropertyTree* pEnv, IPropertyTree* pParentNode, const char* sectionName, const char* newName)
{
  //this function finds out nodes with a given name in a section (Hardware, Software,
  //Programs or Data
  //
  bool bOriginalFound = false;
  bool bDuplicateFound = false;

  StringBuffer xpath(sectionName);
  xpath.append("/").append(pParentNode->queryName());

  Owned<IPropertyTreeIterator> iter = pEnv->getElements(xpath);
  ForEach(*iter)
  {
    IPropertyTree* pNode = &iter->query();
    const char* name = pNode->queryProp("@name");
    if (name)
    {
      if (pNode == pParentNode)
        bOriginalFound = true;
      else
        if (!strcmp(name, newName))
        {
          bDuplicateFound = true;//cannot exit loop prematurely since this 
          if (bOriginalFound)     //until this is set 
            break;
        }
    }
  }

  if (bOriginalFound && bDuplicateFound)
  {
    throw MakeStringException(-1, "Another %s already exists with the same name!\nPlease specify a unique name", 
      pParentNode->queryName());
  }

  return true;
}

bool ensureUniqueName(const IPropertyTree* pEnv, IPropertyTree* pParentNode, const char* szText)
{
  if (!strcmp(szText, "Directories"))
    throw MakeStringException(-1, "%s already exists!\nPlease specify a unique name", szText);

  bool rc = ensureUniqueName(pEnv, pParentNode, "Software", szText) &&
    ensureUniqueName(pEnv, pParentNode,"Hardware", szText) &&
    ensureUniqueName(pEnv, pParentNode,"Programs", szText);

  return rc;
}

const char* expandXPath(StringBuffer& xpath, IPropertyTree* pNode, IPropertyTree* pParentNode, int position)
{
  StringBuffer xpathOut;
  StringBuffer subxpath = strpbrk(xpath.str(), "/=");
  if (!strcmp(subxpath.str(), ".."))
  {
    int skip = 2;
    if (xpath.length() > 2 && xpath.charAt(2) == '/')
      skip++;
    subxpath = strpbrk(xpath.str() +  skip, "/=]");
    xpathOut.append(expandXPath(subxpath, pParentNode, NULL, -1));
  }
  else
    if (!strcmp(subxpath.str(), "position()"))
    {
      char sPos[32];
      itoa(position, sPos, 10);
      StringBuffer sb(xpathOut.str() +  position);
      xpathOut.clear().append(sb);
    }
    else
      if (subxpath.length() && subxpath.charAt(0) == '@')
        xpathOut.append("`").append(pNode->queryProp(subxpath.str())).append("`");

  xpath.clear().append(xpathOut);
  return xpath;
}

bool xsltTransform(const StringBuffer& xml, const char* sheet, IProperties *params, StringBuffer& ret)
{
  if (!checkFileExists(sheet))
    throw MakeStringException(-1, "Could not find stylesheet %s",sheet);

  Owned<IXslProcessor> proc  = getXslProcessor();
  Owned<IXslTransform> trans = proc->createXslTransform();

  trans->setXmlSource(xml.str(), xml.length());
  trans->loadXslFromFile(sheet);

  if (params)
  {
    Owned<IPropertyIterator> it = params->getIterator();
    for (it->first(); it->isValid(); it->next())
    {
      const char *key = it->getPropKey();
      //set parameter in the XSL transform skipping over the @ prefix, if any
      const char* paramName = *key == '@' ? key+1 : key;
      trans->setParameter(paramName, StringBuffer().append('\'').append(params->queryProp(key)).append('\'').str());
    }
  }

  trans->transform(ret);
  return true;
}

bool onChangeAttribute(const IPropertyTree* pEnv,
                       IConstEnvironment* pConstEnv,
                       const char* attrName, 
                       IPropertyTree* pOnChange, 
                       IPropertyTree*& pNode, 
                       IPropertyTree* pParentNode, 
                       int position, 
                       const char* szNewValue, 
                       const char* prevValue,
                       const char* buildSet)
{
  bool rc = false;
  StringBuffer sbAttr("@");
  sbAttr.append(attrName);
  try
  {
    IPropertyTree* pComponent = pNode;
    const char* xslt = pOnChange->queryProp("xslt");
    StringBuffer xpath("Programs/Build");
    IPropertyTree *pBuild = pEnv->queryPropTree(xpath.str());

    if (pBuild)
    {
      xpath.clear().append("BuildSet[@name='").append(buildSet).append("']");
      IPropertyTree *pBuildSet = pBuild->queryPropTree(xpath.str());
      StringBuffer sXsltPath;
      if (pBuildSet && connectBuildSet(pBuild, pBuildSet, sXsltPath, pConstEnv))
      {
        sXsltPath.append(xslt);
        Owned<IProperties> params(createProperties());
        params->setProp("@attribName", attrName);
        params->setProp("@oldValue", prevValue);
        params->setProp("@newValue", szNewValue);

        xpath = pOnChange->queryProp("xpath");
        if (xpath.length())
        {
          /* sample xpath is as follows so expand it:
          RemoteNScfg[@espBinding=current()/../@espBinding]/Configuration[current()/position()]
          */
          const char* pos;
          while ((pos=strstr(xpath.str(), "current()/")) != NULL)
          {
            const char* pos2 = pos + sizeof("current()/")-1;
            StringBuffer subxpath(strpbrk(strstr(xpath.str(), pos2), "=]"));
            const int len = subxpath.length();

            //xpath = xpath.Left(pos) + expandXPath(subxpath, pNode, pParentNode, position) + xpath.Mid(pos2+len);
          }
          params->setProp("@xpath", xpath);
        }

        const char* source = pOnChange->queryProp("xml");
        IPropertyTree* pSourceNode = pNode;
        if (source && *source)//default is just the element whose attribute got changed
        {
          if (!stricmp(source, "component"))
            pSourceNode = pComponent;
          else
            throw MakeStringException(0, "Invalid source specified.");
        }

        StringBuffer xml;
        toXML(pSourceNode, xml);

        StringBuffer ret;
        if (xsltTransform(xml, sXsltPath, params, ret))
        {
          Owned<IPropertyTree> result = createPTreeFromXMLString(ret.str());
          
          Owned<IAttributeIterator> iAttr = result->getAttributes();
          ForEach(*iAttr)
          {
            const char* attrName = iAttr->queryName();

            if (!pSourceNode->hasProp(attrName))
              pSourceNode->addProp(attrName, iAttr->queryValue());
            else
              pSourceNode->setProp(attrName, iAttr->queryValue());
          }

          rc = true;
        }
      }
    }
  }
  catch (IException* e)
  {
    pNode->setProp(sbAttr.str(), prevValue);
    StringBuffer sMsg;
    e->errorMessage(sMsg);
    throw e;
  }
  catch(...)
  {
    pNode->setProp(sbAttr.str(), prevValue);
    throw;
  }

  if (!rc)
    pNode->setProp(sbAttr.str(), prevValue);

  return rc;
}

void UpdateRefAttributes(IPropertyTree* pEnv, const char* szPath, const char* szAttr, const char* szOldVal, const char* szNewVal)
{
  Owned<IPropertyTreeIterator> iter = pEnv->getElements(szPath);
  for (iter->first(); iter->isValid(); iter->next())
  {
    IPropertyTree& node = iter->query();
    const char* szVal = node.queryProp(szAttr);
    if (szVal && strcmp(szVal, szOldVal)==0)
      node.setProp(szAttr, szNewVal);      
  }
}

void addInstanceToCompTree(const IPropertyTree* pEnvRoot,const IPropertyTree* pInstance,StringBuffer& dups,StringBuffer& resp,IConstEnvironment* pConstEnv)
{
  StringBuffer buildSetPath, xpath;
  const char* buildSet = pInstance->queryProp(XML_ATTR_BUILDSET);
  const char* compName = pInstance->queryProp("@compName");

  xpath.appendf("./Programs/Build/BuildSet[@name=\"%s\"]", buildSet);
  Owned<IPropertyTreeIterator> buildSetIter = pEnvRoot->getElements(xpath.str());
  buildSetIter->first();
  IPropertyTree* pBuildSet = &buildSetIter->query();
  const char* processName = pBuildSet->queryProp(XML_ATTR_PROCESS_NAME);

  Owned<IPropertyTree> pSchema = loadSchema(pEnvRoot->queryPropTree("./Programs/Build[1]"), pBuildSet, buildSetPath, pConstEnv);
  xpath.clear().appendf("./Software/%s[@name=\"%s\"]", processName, compName);
  IPropertyTree* pCompTree = pEnvRoot->queryPropTree(xpath.str());

  Owned<IPropertyTreeIterator> iterInst = pInstance->getElements("*");
  bool bAdded = false;
  ForEach(*iterInst)
  {
    IPropertyTree& pComputer = iterInst->query();
    xpath.clear().appendf("./Hardware/Computer[@name=\"%s\"]", pComputer.queryProp(XML_ATTR_NAME)); 
    IPropertyTree* pComputerNode = pEnvRoot->queryPropTree(xpath.str());
    xpath.clear().appendf("Instance[@netAddress=\"%s\"]", pComputerNode->queryProp(XML_ATTR_NETADDRESS)); 
    if (pCompTree->queryPropTree(xpath.str()))
    {
      dups.appendf("\n%s", pComputerNode->queryProp(XML_ATTR_NETADDRESS));
      continue;
    }
    IPropertyTree* pNode = pCompTree->addPropTree(XML_TAG_INSTANCE, createPTree());
    if (pSchema)
    {
      Owned<IPropertyTreeIterator> iter = pSchema->getElements("xs:element/xs:complexType/xs:sequence/xs:element[@name=\"Instance\"]/xs:complexType/xs:attribute");
      ForEach(*iter)
      {
        IPropertyTree &attr = iter->query();
        StringBuffer attrName("@");
        attrName.append(attr.queryProp(XML_ATTR_NAME));

        // we try to pull @computer and @netAddress from computerNode. Others come from default values in schema (if supplied)
        const char *szAttrib;
        StringBuffer sb;
        if (!strcmp(attrName.str(), XML_ATTR_COMPUTER))
        {
          szAttrib = pComputerNode->queryProp(XML_ATTR_NAME);

          if (!bAdded)
          {
            bAdded = true;
            resp.append(szAttrib);
          }
        }
        else if (!strcmp(attrName.str(), XML_ATTR_NETADDRESS))
          szAttrib = pComputerNode->queryProp(XML_ATTR_NETADDRESS);
        else if (!strcmp(attrName.str(), XML_ATTR_DIRECTORY))
        {
          StringBuffer rundir;
          if (!getConfigurationDirectory(pEnvRoot->queryPropTree("Software/Directories"), "run", processName, compName, rundir))
            sb.clear().appendf(RUNTIME_DIR"/%s", compName);
          else
            sb.clear().append(rundir);

          szAttrib = sb.str();
        }
        else
          szAttrib = attr.queryProp("@default");
        pNode->addProp(attrName.str(), szAttrib);
      }
    }
  }

  int nCount = 1;
  xpath.clear().appendf("Instance");
  Owned<IPropertyTreeIterator> iter = pCompTree->getElements(xpath.str());
  StringBuffer sName;

  ForEach(*iter)
  {
    sName.clear().append("s").append(nCount);
    iter->query().setProp(XML_ATTR_NAME, sName.str());
    nCount++;
  }
}

void formIPList(const char* ip, StringArray& formattedIpList)
{
  StringBuffer ipList(ip);
  if(ipList.length())
  {
    ipList.replace('\n',';');
    if(ipList.charAt(ipList.length()-1) == ';')
         ipList.setCharAt((ipList.length()-1),' ');

    StringArray sArray;
    DelimToStringArray(ipList, sArray, ";");

    if(sArray.ordinality() > 0 )
    {
       for( unsigned i = 0; i < sArray.ordinality() ; i++)
       {
          const char* ip = sArray.item(i);
          if(ip && *ip)
          {
              if( strchr(ip, '-') != 0 )
              {
                StringArray rangeArr, commIPPart ;
                StringBuffer comip;
                DelimToStringArray(ip, rangeArr ,"-");

                if( rangeArr.ordinality() == 2 )
                {
                   unsigned endAddr = atoi(rangeArr.item(1));
                   //to get common part of IP
                   DelimToStringArray(rangeArr.item(0),commIPPart,".");
                   StringBuffer newip;
                   if(commIPPart.ordinality() == 4)
                   {
                     unsigned startAddr = atoi(commIPPart.item(3));
                     comip.clear().append(commIPPart.item(0)).append(".").append(commIPPart.item(1)).append(".").append(commIPPart.item(2)).append(".");
                     if( startAddr > endAddr)
                        startAddr^=endAddr^=startAddr^=endAddr;
                     
                     while(startAddr <= endAddr)
                     {
                       newip.clear().append(comip).append(startAddr);
                       startAddr++;
                       formattedIpList.appendUniq(newip);
                     }
                   }
                }
              }
              else
              {
                formattedIpList.appendUniq(ip);
              }
          }
       }
    }
 }
 else
     throw MakeStringException(-1, "List of IP Addresses cannot be empty");
}

void buildEnvFromWizard(const char * wizardXml, const char* service,IPropertyTree* cfg, StringBuffer& envXml, MapStringTo<StringBuffer>* dirMap)
{
  if(wizardXml && *wizardXml)
  {
    CWizardInputs wizardInputs(wizardXml, service, cfg, dirMap);
    wizardInputs.setEnvironment();
    wizardInputs.generateEnvironment(envXml);
    if(envXml.length() == 0)
      throw MakeStringException(-1, "Failed to generated the environment xml for unknown reason");
  }
  else
    throw MakeStringException(-1, "User inputs are needed to generate the environment");
}

void runScript(StringBuffer& output, StringBuffer& errMsg, const char* pathToScript)
{
  StringBuffer cmdLine;
  if(checkFileExists(pathToScript))
  {
    char buffer[128];
    cmdLine.clear().append(pathToScript);
#ifdef _WINDOWS
    FILE *fp = _popen(cmdLine.str(), "r");
#else
    FILE *fp = popen(cmdLine.str(), "r");
#endif
    if(fp != NULL)
    {
      while ( !feof(fp) )
      {
        if( fgets(buffer, 128, fp))
        {
          output.append(buffer);
        }
      }
      if(ferror(fp))
          errMsg.clear().append("Some file operation error");
#ifdef _WINDOWS
      _pclose(fp);
#else
       pclose(fp);
#endif
     if( output.length() == 0)
       errMsg.clear().append("No IPAddresses found for environment.");
    }
    else
      errMsg.clear().append("Could not open or run autodiscovery script ").append(pathToScript);
 }
 else
    throw MakeStringException(-1,"The Script [%s] for getting IP addresses for environment does not exist", pathToScript);
}

bool validateIPS(const char* ipAddressList)
{
  StringArray ipFormatted ;
  formIPList(ipAddressList,ipFormatted);
  if(ipFormatted.ordinality() > 0)
  {
    for (unsigned i = 0; i < ipFormatted.ordinality(); i++)
    {
       const char* ip = ipFormatted.item(i);
       unsigned x ;
       IpAddress ipaddr(ip);
       ipaddr.getNetAddress(sizeof(x), &x);
       if ( ipaddr.isNull())
        throw MakeStringException(-1, "Invalid ip address: %s", ip);
    }
  }
  else
     throw MakeStringException(-1, "List for IP Addresses cannot be empty");
  return true;
}

void getSummary(const IPropertyTree* pEnvRoot, StringBuffer& respXmlStr, bool prepareLink)
{
  if(pEnvRoot)
  {
    StringBuffer xpath, compName, ipAssigned, computerName, linkString, buildSetName;
    Owned<IPropertyTree> pSummaryTree = createPTree("ComponentList");
    IPropertyTree* pSWCompTree  = pEnvRoot->queryPropTree(XML_TAG_SOFTWARE);
        
    if(pSWCompTree)
    {
      Owned<IPropertyTreeIterator> swCompIter = pSWCompTree->getElements("*");
      StringArray espServiceArr;
      ForEach(*swCompIter)
      {
      
        bool instanceFound = false;
        IPropertyTree* pCompTree = &swCompIter->query();
        if(pCompTree)
        {
          ipAssigned.clear();
          compName.clear().append(pCompTree->queryProp(XML_ATTR_NAME));
          buildSetName.clear().append(pCompTree->queryProp(XML_ATTR_BUILDSET));

          xpath.clear().append("./Instance");
          Owned<IPropertyTreeIterator> instanceIter = pCompTree->getElements(xpath.str());
          ForEach(*instanceIter)
          {
            instanceFound = true;
            IPropertyTree* pInstance = &instanceIter->query();
            if(pInstance)
            {
              const char* netAddr = pInstance->queryProp(XML_ATTR_NETADDRESS);
              if(netAddr && *netAddr)
              {
                ipAssigned.append(netAddr);
                ipAssigned.append(",");
              }
            }
          }

          if(!strcmp(pCompTree->queryName(), XML_TAG_ESPPROCESS))
          {
            if(ipAssigned.length())
            {
              Owned<IPropertyTreeIterator> espSerIter = pCompTree->getElements("./"XML_TAG_ESPBINDING);
              ForEach(*espSerIter)
              {
                IPropertyTree* pEspBinding = &espSerIter->query();
                const char* serviceName = pEspBinding->queryProp(XML_ATTR_SERVICE);
                const char* port = pEspBinding->queryProp(XML_ATTR_PORT);
                const char* protocol = pEspBinding->queryProp(XML_ATTR_PROTOCOL);
                const char* buildset = NULL;
                xpath.clear().appendf("./%s/%s[%s=\"%s\"]", XML_TAG_SOFTWARE, XML_TAG_ESPSERVICE, XML_ATTR_NAME, serviceName); 
                IPropertyTree* pEspService = pEnvRoot->queryPropTree(xpath.str());
                if(pEspService)
                  buildset = pEspService->queryProp(XML_ATTR_BUILDSET);
                if(serviceName && *serviceName && port && *port)
                {
                  if(ipAssigned.length() && ipAssigned.charAt(ipAssigned.length()-1) == ',')
                    ipAssigned.setCharAt((ipAssigned.length()-1),' ');
                  linkString.clear().appendf("%s-%s-", serviceName, (( buildset && *buildset ) ? buildset: ""));
                  if(prepareLink)
                    linkString.appendf("<a href=\"%s://%s:%s\"/>%s://%s:%s</a>", ( (protocol && *protocol) ? protocol :"http" ), (ipAssigned.trim()).str(), port, ( (protocol && *protocol) ? protocol :"http" ), (ipAssigned.trim()).str(), port );
                  else
                     linkString.appendf("%s", port);
                  espServiceArr.append(linkString);
                }
              }
            }
          }

          if(!instanceFound && (strcmp(pCompTree->queryName(), XML_TAG_ROXIECLUSTER) != 0 && strcmp(pCompTree->queryName(), XML_TAG_THORCLUSTER) != 0))
          {
            if(pCompTree->hasProp(XML_ATTR_COMPUTER))
            { 
              xpath.clear().appendf("./Hardware/%s/[%s=\"%s\"]", XML_TAG_COMPUTER, XML_ATTR_NAME, pCompTree->queryProp(XML_ATTR_COMPUTER));
              IPropertyTree* pHardware = pEnvRoot->queryPropTree(xpath.str());
              if(pHardware)
                ipAssigned.clear().append(pHardware->queryProp(XML_ATTR_NETADDRESS));
            }
          }
          else if(!strcmp(pCompTree->queryName(), XML_TAG_ROXIECLUSTER))
          {
            IPropertyTree* pCluster = pEnvRoot->queryPropTree("./Software/RoxieCluster");
            if(pCluster)
            {
               compName.clear().append(pCluster->queryProp("@name"));
               xpath.clear().append("./RoxieServerProcess");
               Owned<IPropertyTreeIterator> serverIter = pCluster->getElements(xpath.str());
               ForEach(*serverIter)
               {
                 IPropertyTree* pServer = &serverIter->query();
                 const char* netAddr = pServer->queryProp(XML_ATTR_NETADDRESS);
                 if(netAddr && *netAddr)
                 {
                   ipAssigned.append(netAddr).append(",");
                 }
               }
            }
          }
          else if(!strcmp(pCompTree->queryName(), XML_TAG_THORCLUSTER))
          {
            
            IPropertyTree* pCluster = pEnvRoot->queryPropTree("./Software/ThorCluster");
            if(pCluster)
            {
               compName.clear().append(pCluster->queryProp("@name"));
               IPropertyTree* pMaster = pCluster->queryPropTree("./ThorMasterProcess");
               if(pMaster)
               {
                 computerName.clear().append(pMaster->queryProp(XML_ATTR_COMPUTER));
                 if(computerName.length())
                 {
                   xpath.clear().appendf("./Hardware/%s/[%s=\"%s\"]", XML_TAG_COMPUTER, XML_ATTR_NAME, computerName.str());
                   IPropertyTree* pHardware = pEnvRoot->queryPropTree(xpath.str());
                   if(pHardware)
                     ipAssigned.clear().append(pHardware->queryProp(XML_ATTR_NETADDRESS)).append(",");
                 }
               }
               Owned<IPropertyTreeIterator> serverIter = pCluster->getElements("./ThorSlaveProcess");
               ForEach(*serverIter)
               {
                 IPropertyTree* pServer = &serverIter->query();
                 computerName.clear().append(pServer->queryProp(XML_ATTR_COMPUTER));
                 if(computerName.length())
                 {
                   xpath.clear().appendf("./Hardware/%s/[%s=\"%s\"]", XML_TAG_COMPUTER, XML_ATTR_NAME, computerName.str()); 
                   IPropertyTree* pHardware = pEnvRoot->queryPropTree(xpath.str());
                   if(pHardware)
                     ipAssigned.append(pHardware->queryProp(XML_ATTR_NETADDRESS)).append(",");
                 }
               }
            }
          }

          if(ipAssigned.length() && ipAssigned.charAt(ipAssigned.length()-1) == ',')
             ipAssigned.setCharAt((ipAssigned.length()-1),' ');
         
          if(ipAssigned.length() && compName.length())
          {
            IPropertyTree* pComponentType = pSummaryTree->addPropTree("Component", createPTree("Component"));
            pComponentType->addProp("@name", compName.str());
            pComponentType->addProp("@netaddresses", ipAssigned.str());
            pComponentType->addProp("@buildset", ( buildSetName.length() ? buildSetName.str(): ""));
            pComponentType->addProp("@espservice", "false");
          }
        }
      }
      if(espServiceArr.length() > 0)
      {
         ForEachItemIn(x, espServiceArr)
         {
           linkString.clear().append(espServiceArr.item(x));
           StringArray sArray;
           DelimToStringArray(linkString.str(), sArray, "-");
           if(sArray.ordinality() == 3)
           {
             IPropertyTree* pEspServiceType = pSummaryTree->addPropTree("Component", createPTree("Component"));
             pEspServiceType->addProp("@name", sArray.item(0));
             pEspServiceType->addProp("@buildset", sArray.item(1));
             pEspServiceType->addProp("@netaddresses", sArray.item(2));
             pEspServiceType->addProp("@espservice", "true");
           }
         }
      }
    }
    if(pSummaryTree)
      toXML(pSummaryTree,respXmlStr);
  }
  else
    throw MakeStringException(-1, "Environment does not have any configuration information");
}

void mergeAttributes(IPropertyTree* pTo, IPropertyTree* pFrom)
{
  if (!pFrom)
    return;
  Owned<IAttributeIterator> iAttr = pFrom->getAttributes();
  ForEach(*iAttr)
  {
    const char* attrName = iAttr->queryName();

    if (!pTo->hasProp(attrName))
      pTo->addProp(attrName, iAttr->queryValue());
  }
}

void addEspBindingInformation(const char* xmlArg, IPropertyTree* pEnvRoot, StringBuffer& sbNewName, IConstEnvironment* pEnvironment)
{
  Owned<IPropertyTree> pBindings = createPTreeFromXMLString(xmlArg && *xmlArg ? xmlArg : "<EspServiceBindings/>");
  const char* type = pBindings->queryProp(XML_ATTR_TYPE);
  const char* espName = pBindings->queryProp("@compName");

  StringBuffer xpath;

  xpath.append("./Programs/Build/BuildSet[@processName=\"EspProcess\"]");
  Owned<IPropertyTreeIterator> buildSetIter = pEnvRoot->getElements(xpath.str());
  buildSetIter->first();
  IPropertyTree* pBuildSet = &buildSetIter->query();
  const char* buildSetName = pBuildSet->queryProp(XML_ATTR_NAME);
  const char* processName = pBuildSet->queryProp(XML_ATTR_PROCESS_NAME);
  StringBuffer buildSetPath;
  Owned<IPropertyTree> pSchema = loadSchema(pEnvRoot->queryPropTree("./Programs/Build[1]"), pBuildSet, buildSetPath, pEnvironment);
  xpath.clear().appendf("./Software/%s[@name='%s']", processName, espName);

  Owned<IPropertyTreeIterator> iterItems = pBindings->getElements("Item");
  bool flag = false;

  ForEach (*iterItems)
  {
    flag = true;
    IPropertyTree* pItem = &iterItems->query();
    const char* bindingName = pItem->queryProp(XML_ATTR_NAME);
    const char* params = pItem->queryProp("@params");

    StringBuffer decodedParams(params);
    decodedParams.replaceString("::", "\n");

    Owned<IProperties> pParams = createProperties();
    pParams->loadProps(decodedParams.str());

    const char* pszCompType = pParams->queryProp("pcType");
    const char* pszCompName = pParams->queryProp("pcName");
    const char* pszSubType = pParams->queryProp("subType");
    const char* pszSubTypeKey = pParams->queryProp("subTypeKey");

    if (strcmp(type, XML_TAG_ESPBINDING) && bindingName)
       xpath.appendf("/EspBinding[@name='%s']", bindingName);
    else if (pszSubType && *pszSubType)
    {
      String subType(pszSubType);
      int idx = subType.lastIndexOf('/');
      if (idx > 0)
      {
        String* tmpstr = subType.substring(0, idx);
        xpath.append("/").append(*tmpstr);
        delete tmpstr;
      }
    }

    IPropertyTree* pEspService = pEnvRoot->queryPropTree(xpath.str());  
    IPropertyTree* pCompTree = generateTreeFromXsd(pEnvRoot, pSchema, processName);

    StringBuffer sb(type);

    if (!strncmp(sb.str(), "_", 1))
      sb.remove(0, 1);
    if (!strcmp(type, XML_TAG_ESPBINDING))
    {
      StringBuffer sbNewName(XML_TAG_ESPBINDING);
      xpath.clear().appendf("%s[@name='%s']/EspBinding", processName, espName);

      getUniqueName(pEnvRoot, sbNewName, xpath.str(), XML_TAG_SOFTWARE);
      xpath.clear().append(sb.str()).append("/").append(XML_ATTR_NAME);
      pCompTree->setProp(xpath.str(), sbNewName);
    }

    if (pEspService && pCompTree)
       pEspService->addPropTree(sb.str(), pCompTree->queryPropTree(sb.str()));
     //If we are adding, just consider the first selection.
     break;
  }

  if (!flag)
  {
    IPropertyTree* pEspService = pEnvRoot->queryPropTree(xpath.str());  
    IPropertyTree* pCompTree = generateTreeFromXsd(pEnvRoot, pSchema, processName);
    StringBuffer sbNewName(XML_TAG_ESPBINDING);
    xpath.clear().appendf("%s[@name='%s']/EspBinding", processName, espName);

    getUniqueName(pEnvRoot, sbNewName, xpath.str(), XML_TAG_SOFTWARE);
    xpath.clear().append(XML_TAG_ESPBINDING).append("/").append(XML_ATTR_NAME);
    pCompTree->setProp(xpath.str(), sbNewName);
    
    if (pEspService && pCompTree)
      pEspService->addPropTree(XML_TAG_ESPBINDING, pCompTree->queryPropTree(XML_TAG_ESPBINDING));
  }
}

bool updateDirsWithConfSettings(IPropertyTree* pEnvRoot, IProperties* pParams, bool ovrLog, bool ovrRun)
{
  bool ret = false;
  const char* rundir = pEnvRoot->queryProp("Software/Directories/Category[@name='run']/@dir");
  StringBuffer sbdir;
  
  if (rundir && ovrRun)
  {
    sbdir.clear().append(rundir);
    sbdir.replaceString("[NAME]", pParams->queryProp("blockname"));
    String str(sbdir.str());
    if (!str.startsWith(pParams->queryProp("runtime")))
    {
      StringBuffer sb;
      if (str.indexOf('[') > 0)
        sb.append(pParams->queryProp("runtime")).append(PATHSEPCHAR).append(sbdir.str() + str.indexOf('['));
      else
        sb.append(str.toCharArray());

      pEnvRoot->setProp("Software/Directories/Category[@name='run']/@dir", sb.str());
      ret = true;
    }
  }
  
  const char* logdir = pEnvRoot->queryProp("Software/Directories/Category[@name='log']/@dir");
  if (logdir && ovrLog)
  {
    sbdir.clear().append(logdir);
    sbdir.replaceString("[NAME]", pParams->queryProp("blockname"));
    String str(sbdir.str());
    if (!str.startsWith(pParams->queryProp("log")))
    {
      StringBuffer sb;
      if (str.indexOf('[') > 0)
        sb.append(pParams->queryProp("log")).append(PATHSEPCHAR).append(sbdir.str() + str.indexOf('['));
      else
        sb.append(str.toCharArray());

      pEnvRoot->setProp("Software/Directories/Category[@name='log']/@dir", sb.str());
      ret = true;
    }
  }

  return ret;
} 

//returns temp path that ends with path sep
//
#ifdef _WIN32
extern DWORD getLastError() { return ::GetLastError(); }
void getTempPath(char* tempPath, unsigned int bufsize, const char* subdir/*=NULL*/)
{
  ::GetTempPath(bufsize, tempPath);
  ::GetLongPathName(tempPath, tempPath, bufsize);
  if (subdir && *subdir)
  {
    const int len = strlen(tempPath);
    char* p = tempPath + len;
    strcpy(p, subdir);
    p += strlen(subdir);
    *p++ = '\\';
    *p = '\0';
  }
}
#else//Linux specifics follow
extern DWORD getLastError() { return errno; }
void getTempPath(char* tempPath, unsigned int bufsize, const char* subdir/*=NULL*/)
{
  assert(bufsize > 5);
  strcpy(tempPath, "/tmp/");
  if (subdir && *subdir)
  {
    strcat(tempPath, subdir);
    strcat(tempPath, "/");
  }
}
#endif

bool validateEnv(IConstEnvironment* pConstEnv, bool abortOnException)
{
  char tempdir[_MAX_PATH];
  StringBuffer sb;

  while(true)
  {
    sb.clear().appendf("%d", msTick());
    getTempPath(tempdir, sizeof(tempdir), sb.str());

    if (!checkDirExists(tempdir))
    {
      if (recursiveCreateDirectory(tempdir))
        break;
    }
  }

  try
  {
    CConfigEngCallback callback(false, abortOnException);
    Owned<IEnvDeploymentEngine> configGenMgr;
    Owned<IPropertyTree> pEnvRoot = &pConstEnv->getPTree();
    const char* inDir = pEnvRoot->queryProp(XML_TAG_ENVSETTINGS"/path");
    StringBuffer sb(inDir);
    sb.append("/componentfiles/configxml");
    configGenMgr.setown(createConfigGenMgr(*pConstEnv, callback, NULL, inDir?sb.str():STANDARD_CONFIGXMLDIR, tempdir, NULL, NULL, NULL));
    configGenMgr->deploy(DEFLAGS_CONFIGFILES, DEBACKUP_NONE, false, false);
    deleteRecursive(tempdir);
    const char* msg = callback.getErrorMsg();
    if (msg && *msg)
    {
      StringBuffer sb("Errors or warnings were found when validating the environment.\n\n");
      sb.append(msg).append("\n");
      sb.appendf("Total errors/warnings: %d", callback.getErrorCount() - 1);
      throw MakeStringExceptionDirect(-1, sb.str());
    }
  }
  catch(IException* e)
  {
    deleteRecursive(tempdir);
    throw e;
  }

  return true;
}