//
// ********************************************************************
// * License and Disclaimer                                           *
// *                                                                  *
// * The  Geant4 software  is  copyright of the Copyright Holders  of *
// * the Geant4 Collaboration.  It is provided  under  the terms  and *
// * conditions of the Geant4 Software License,  included in the file *
// * LICENSE and available at  http://cern.ch/geant4/license .  These *
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// * institutes,nor the agencies providing financial support for this *
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// * regarding  this  software system or assume any liability for its *
// * use.  Please see the license in the file  LICENSE  and URL above *
// * for the full disclaimer and the limitation of liability.         *
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// * technical work of the GEANT4 collaboration.                      *
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// * any work based  on the software)  you  agree  to acknowledge its *
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// ********************************************************************
//
// G4UIcontrolMessenger
//
// Author: Makoto Asai, SLAC - 2001
// --------------------------------------------------------------------

#include <stdlib.h>
#include "G4UIcontrolMessenger.hh"
#include "G4UImanager.hh"
#include "G4UIdirectory.hh"
#include "G4UIcommand.hh"
#include "G4UIparameter.hh"
#include "G4UIcmdWithAString.hh"
#include "G4UIcmdWithABool.hh"
#include "G4UIcmdWithAnInteger.hh"
#include "G4UIcmdWithoutParameter.hh"
#include "G4UIaliasList.hh"
#include "G4StateManager.hh"
#include "G4UIsession.hh"
#include "G4Tokenizer.hh"

#include "G4ios.hh"

// --------------------------------------------------------------------
G4UIcontrolMessenger::G4UIcontrolMessenger()
{
  controlDirectory = new G4UIdirectory("/control/");
  controlDirectory->SetGuidance("UI control commands.");

  macroPathCommand = new G4UIcmdWithAString("/control/macroPath", this);
  macroPathCommand->SetGuidance("Set macro search path"
                                " with colon-separated list.");
  macroPathCommand->SetParameterName("path", false);

  ExecuteCommand = new G4UIcmdWithAString("/control/execute", this);
  ExecuteCommand->SetGuidance("Execute a macro file.");
  ExecuteCommand->SetParameterName("fileName", false);
  ExecuteCommand->SetToBeBroadcasted(false);

  loopCommand = new G4UIcommand("/control/loop", this);
  loopCommand->SetGuidance("Execute a macro file more than once.");
  loopCommand->SetGuidance("Loop counter can be used as an aliased variable.");
  G4UIparameter* param1 = new G4UIparameter("macroFile", 's', false);
  loopCommand->SetParameter(param1);
  G4UIparameter* param2 = new G4UIparameter("counterName", 's', false);
  loopCommand->SetParameter(param2);
  G4UIparameter* param3 = new G4UIparameter("initialValue", 'd', false);
  loopCommand->SetParameter(param3);
  G4UIparameter* param4 = new G4UIparameter("finalValue", 'd', false);
  loopCommand->SetParameter(param4);
  G4UIparameter* param5 = new G4UIparameter("stepSize", 'd', true);
  param5->SetDefaultValue(1.0);
  loopCommand->SetParameter(param5);
  loopCommand->SetToBeBroadcasted(false);

  foreachCommand = new G4UIcommand("/control/foreach", this);
  foreachCommand->SetGuidance("Execute a macro file more than once.");
  foreachCommand->SetGuidance(
    "Loop counter can be used as an aliased variable.");
  foreachCommand->SetGuidance("Values must be separated by a space.");
  G4UIparameter* param6 = new G4UIparameter("macroFile", 's', false);
  foreachCommand->SetParameter(param6);
  G4UIparameter* param7 = new G4UIparameter("counterName", 's', false);
  foreachCommand->SetParameter(param7);
  G4UIparameter* param8 = new G4UIparameter("valueList", 's', false);
  foreachCommand->SetParameter(param8);
  foreachCommand->SetToBeBroadcasted(false);

  suppressAbortionCommand =
    new G4UIcmdWithAnInteger("/control/suppressAbortion", this);
  suppressAbortionCommand->SetGuidance(
    "Suppress the program abortion caused by G4Exception.");
  suppressAbortionCommand->SetGuidance(
    "Suppression level = 0 : no suppression");
  suppressAbortionCommand->SetGuidance(
    "                  = 1 : suppress during EventProc state");
  suppressAbortionCommand->SetGuidance(
    "                  = 2 : full suppression, i.e. no abortion by "
    "G4Exception");
  suppressAbortionCommand->SetGuidance(
    "When abortion is suppressed, you will get error messages issued by "
    "G4Exception,");
  suppressAbortionCommand->SetGuidance(
    "and there is NO guarantee for the correct result after the G4Exception "
    "error message.");
  suppressAbortionCommand->SetParameterName("level", true);
  suppressAbortionCommand->SetRange("level >= 0 && level <= 2");
  suppressAbortionCommand->SetDefaultValue(0);

  verboseCommand = new G4UIcmdWithAnInteger("/control/verbose", this);
  verboseCommand->SetGuidance("Applied command will also be shown on screen.");
  verboseCommand->SetGuidance("This command is useful with MACRO file.");
  verboseCommand->SetGuidance("  0 : silent");
  verboseCommand->SetGuidance("  1 : only the valid commands are shown.");
  verboseCommand->SetGuidance("  2 : comment lines are also shown (default).");
  verboseCommand->SetParameterName("switch", true);
  verboseCommand->SetRange("switch >= 0 && switch <=2");
  verboseCommand->SetDefaultValue(2);

  doublePrecCommand = new G4UIcmdWithABool("/control/useDoublePrecision", this);
  doublePrecCommand->SetGuidance(
    "Use double precision for printing out the current parameter value(s).");
  doublePrecCommand->SetParameterName("useDoublePrecision", true);
  doublePrecCommand->SetDefaultValue(true);

  historyCommand = new G4UIcmdWithAString("/control/saveHistory", this);
  historyCommand->SetGuidance("Store command history to a file.");
  historyCommand->SetGuidance("Defaul file name is G4history.macro.");
  historyCommand->SetParameterName("fileName", true);
  historyCommand->SetDefaultValue("G4History.macro");
  historyCommand->SetToBeBroadcasted(false);

  stopStoreHistoryCommand =
    new G4UIcmdWithoutParameter("/control/stopSavingHistory", this);
  stopStoreHistoryCommand->SetGuidance("Stop saving history file.");
  stopStoreHistoryCommand->SetToBeBroadcasted(false);

  aliasCommand = new G4UIcommand("/control/alias", this);
  aliasCommand->SetGuidance("Set an alias.");
  aliasCommand->SetGuidance("String can be aliased by this command.");
  aliasCommand->SetGuidance("The string may contain one or more spaces,");
  aliasCommand->SetGuidance(
    "the string must be enclosed by double quotes (\").");
  aliasCommand->SetGuidance("To use an alias, enclose the alias name with");
  aliasCommand->SetGuidance("parenthesis \"{\" and \"}\".");
  G4UIparameter* aliasNameParam = new G4UIparameter("aliasName", 's', false);
  aliasCommand->SetParameter(aliasNameParam);
  G4UIparameter* aliasValueParam = new G4UIparameter("aliasValue", 's', false);
  aliasCommand->SetParameter(aliasValueParam);

  unaliasCommand = new G4UIcmdWithAString("/control/unalias", this);
  unaliasCommand->SetGuidance("Remove an alias.");
  unaliasCommand->SetParameterName("aliasName", false);

  listAliasCommand = new G4UIcmdWithoutParameter("/control/listAlias", this);
  listAliasCommand->SetGuidance("List aliases.");

  getEnvCmd = new G4UIcmdWithAString("/control/getEnv", this);
  getEnvCmd->SetGuidance(
    "Get a shell environment variable and define it as an alias.");
  getEnvCmd->SetToBeBroadcasted(false);

  getValCmd = new G4UIcommand("/control/getVal", this);
  getValCmd->SetGuidance(
    "Get the current value of the UI command and define it as an alias.");
  getValCmd->SetGuidance(
    "Command is ignored if the UI command does not support GetCurrentValue().");
  getValCmd->SetGuidance(" Syntax : <alias_name> <UI_command> <iIdx>");
  G4UIparameter* aliName = new G4UIparameter("alias_name", 's', false);
  getValCmd->SetParameter(aliName);
  G4UIparameter* comName = new G4UIparameter("UI_command", 's', false);
  getValCmd->SetParameter(comName);
  G4UIparameter* iIdxParam = new G4UIparameter("iIdx", 'i', true);
  iIdxParam->SetDefaultValue(0);
  getValCmd->SetParameter(iIdxParam);
  getValCmd->SetToBeBroadcasted(false);

  echoCmd = new G4UIcmdWithAString("/control/echo", this);
  echoCmd->SetGuidance("Display the valuerameter string.");
  echoCmd->SetGuidance("If alias is contained, it is converted to the aliased value.");

  shellCommand = new G4UIcmdWithAString("/control/shell", this);
  shellCommand->SetGuidance("Execute a (Unix) SHELL command.");
  shellCommand->SetToBeBroadcasted(false);

  ManualCommand = new G4UIcmdWithAString("/control/manual", this);
  ManualCommand->SetGuidance("Display all of sub-directories and commands.");
  ManualCommand->SetGuidance("Directory path should be given by FULL-PATH.");
  ManualCommand->SetParameterName("dirPath", true);
  ManualCommand->SetDefaultValue("/");
  ManualCommand->SetToBeBroadcasted(false);

  HTMLCommand = new G4UIcmdWithAString("/control/createHTML", this);
  HTMLCommand->SetGuidance(
    "Generate HTML files for all of sub-directories and commands.");
  HTMLCommand->SetGuidance("Directory path should be given by FULL-PATH.");
  HTMLCommand->SetParameterName("dirPath", true);
  HTMLCommand->SetDefaultValue("/");
  HTMLCommand->SetToBeBroadcasted(false);

  maxStoredHistCommand =
    new G4UIcmdWithAnInteger("/control/maximumStoredHistory", this);
  maxStoredHistCommand->SetGuidance(
    "Set maximum number of stored UI commands.");
  maxStoredHistCommand->SetParameterName("max", true);
  maxStoredHistCommand->SetDefaultValue(20);

  ifCommand = new G4UIcommand("/control/if", this);
  ifCommand->SetGuidance("Execute a macro file if the expression is true.");
  ifCommand->SetGuidance(" Syntax : <double> <comp> <double> <macro_file>");
  G4UIparameter* leftParam = new G4UIparameter("left", 'd', false);
  ifCommand->SetParameter(leftParam);
  G4UIparameter* compParam = new G4UIparameter("comp", 's', false);
  compParam->SetParameterCandidates("> >= < <= == !=");
  ifCommand->SetParameter(compParam);
  G4UIparameter* rightParam = new G4UIparameter("right", 'd', false);
  ifCommand->SetParameter(rightParam);
  G4UIparameter* macroFileParam = new G4UIparameter("macroFile", 's', false);
  ifCommand->SetParameter(macroFileParam);
  ifCommand->SetToBeBroadcasted(false);

  doifCommand = new G4UIcommand("/control/doif", this);
  doifCommand->SetGuidance("Execute a UI command if the expression is true.");
  doifCommand->SetGuidance(" Syntax : <double> <comp> <double> <UI_command>");
  G4UIparameter* doleftParam = new G4UIparameter("left", 'd', false);
  doifCommand->SetParameter(doleftParam);
  G4UIparameter* docompParam = new G4UIparameter("comp", 's', false);
  docompParam->SetParameterCandidates("> >= < <= == !=");
  doifCommand->SetParameter(docompParam);
  G4UIparameter* dorightParam = new G4UIparameter("right", 'd', false);
  doifCommand->SetParameter(dorightParam);
  G4UIparameter* comParam = new G4UIparameter("UI_command", 's', false);
  doifCommand->SetParameter(comParam);
  doifCommand->SetToBeBroadcasted(false);

  addCommand = new G4UIcommand("/control/add", this);
  addCommand->SetGuidance("Define a new alias as the sum of two values.");
  addCommand->SetGuidance(" Syntax : <new_alias> <value1> <value2>");
  addCommand->SetGuidance(
    " <new_alias> may be an already existing alias. If it is the case,");
  addCommand->SetGuidance(" aliased value is alternated.");
  G4UIparameter* newAlias1 = new G4UIparameter("new_alias", 's', false);
  addCommand->SetParameter(newAlias1);
  G4UIparameter* val1a = new G4UIparameter("value1", 'd', false);
  addCommand->SetParameter(val1a);
  G4UIparameter* val1b = new G4UIparameter("value2", 'd', false);
  addCommand->SetParameter(val1b);
  addCommand->SetToBeBroadcasted(false);

  subtractCommand = new G4UIcommand("/control/subtract", this);
  subtractCommand->SetGuidance(
    "Define a new alias as the subtraction of two values.");
  subtractCommand->SetGuidance(" Syntax : <new_alias> <value1> <value2>");
  subtractCommand->SetGuidance(
    " <new_alias> may be an already existing alias. If it is the case,");
  subtractCommand->SetGuidance(" aliased value is alternated.");
  G4UIparameter* newAlias2 = new G4UIparameter("new_alias", 's', false);
  subtractCommand->SetParameter(newAlias2);
  G4UIparameter* val2a = new G4UIparameter("value1", 'd', false);
  subtractCommand->SetParameter(val2a);
  G4UIparameter* val2b = new G4UIparameter("value2", 'd', false);
  subtractCommand->SetParameter(val2b);
  subtractCommand->SetToBeBroadcasted(false);

  multiplyCommand = new G4UIcommand("/control/multiply", this);
  multiplyCommand->SetGuidance(
    "Define a new alias as the multiplication of two values.");
  multiplyCommand->SetGuidance(" Syntax : <new_alias> <value1> <value2>");
  multiplyCommand->SetGuidance(
    " <new_alias> may be an already existing alias. If it is the case,");
  multiplyCommand->SetGuidance(" aliased value is alternated.");
  G4UIparameter* newAlias3 = new G4UIparameter("new_alias", 's', false);
  multiplyCommand->SetParameter(newAlias3);
  G4UIparameter* val3a = new G4UIparameter("value1", 'd', false);
  multiplyCommand->SetParameter(val3a);
  G4UIparameter* val3b = new G4UIparameter("value2", 'd', false);
  multiplyCommand->SetParameter(val3b);
  multiplyCommand->SetToBeBroadcasted(false);

  divideCommand = new G4UIcommand("/control/divide", this);
  divideCommand->SetGuidance(
    "Define a new alias as the division of two values.");
  divideCommand->SetGuidance(" Syntax : <new_alias> <value1> <value2>");
  divideCommand->SetGuidance(
    " <new_alias> may be an already existing alias. If it is the case,");
  divideCommand->SetGuidance(" aliased value is alternated.");
  G4UIparameter* newAlias4 = new G4UIparameter("new_alias", 's', false);
  divideCommand->SetParameter(newAlias4);
  G4UIparameter* val4a = new G4UIparameter("value1", 'd', false);
  divideCommand->SetParameter(val4a);
  G4UIparameter* val4b = new G4UIparameter("value2", 'd', false);
  val4b->SetParameterRange("value2 != 0.");
  divideCommand->SetParameter(val4b);
  divideCommand->SetToBeBroadcasted(false);

  remainderCommand = new G4UIcommand("/control/remainder", this);
  remainderCommand->SetGuidance(
    "Define a new alias as the remainder of two values.");
  remainderCommand->SetGuidance(" Syntax : <new_alias> <value1> <value2>");
  remainderCommand->SetGuidance(
    " <new_alias> may be an already existing alias. If it is the case,");
  remainderCommand->SetGuidance(" aliased value is alternated.");
  G4UIparameter* newAlias5 = new G4UIparameter("new_alias", 's', false);
  remainderCommand->SetParameter(newAlias5);
  G4UIparameter* val5a = new G4UIparameter("value1", 'i', false);
  remainderCommand->SetParameter(val5a);
  G4UIparameter* val5b = new G4UIparameter("value2", 'i', false);
  val4b->SetParameterRange("value2 != 0");
  remainderCommand->SetParameter(val5b);
  remainderCommand->SetToBeBroadcasted(false);

  strifCommand = new G4UIcommand("/control/strif", this);
  strifCommand->SetGuidance("Execute a macro file if the expression is true.");
  strifCommand->SetGuidance(" Syntax : <string> <comp> <string> <macro_file>");
  G4UIparameter* strleftParam = new G4UIparameter("left", 's', false);
  strifCommand->SetParameter(strleftParam);
  G4UIparameter* strcompParam = new G4UIparameter("comp", 's', false);
  strcompParam->SetParameterCandidates("== !=");
  strifCommand->SetParameter(strcompParam);
  G4UIparameter* strrightParam = new G4UIparameter("right", 's', false);
  strifCommand->SetParameter(strrightParam);
  G4UIparameter* strmacroFileParam = new G4UIparameter("macroFile", 's', false);
  strifCommand->SetParameter(strmacroFileParam);
  strifCommand->SetToBeBroadcasted(false);

  strdoifCommand = new G4UIcommand("/control/strdoif", this);
  strdoifCommand->SetGuidance(
    "Execute a UI command if the expression is true.");
  strdoifCommand->SetGuidance(
    " Syntax : <string> <comp> <string> <UI_command>");
  G4UIparameter* strdoleftParam = new G4UIparameter("left", 's', false);
  strdoifCommand->SetParameter(strdoleftParam);
  G4UIparameter* strdocompParam = new G4UIparameter("comp", 's', false);
  strdocompParam->SetParameterCandidates("== !=");
  strdoifCommand->SetParameter(strdocompParam);
  G4UIparameter* strdorightParam = new G4UIparameter("right", 's', false);
  strdoifCommand->SetParameter(strdorightParam);
  G4UIparameter* strdomacroFileParam =
    new G4UIparameter("UI_command", 's', false);
  strdoifCommand->SetParameter(strdomacroFileParam);
  strdoifCommand->SetToBeBroadcasted(false);

  ifBatchCommand = new G4UIcmdWithAString("/control/ifBatch", this);
  ifBatchCommand->SetGuidance(
    "Execute a macro file if program is running in batch mode.");
  ifBatchCommand->SetParameterName("macroFile", false);
  ifBatchCommand->SetToBeBroadcasted(false);

  ifInteractiveCommand = new G4UIcmdWithAString("/control/ifInteractive", this);
  ifInteractiveCommand->SetGuidance(
    "Execute a macro file if program is running in interactive mode.");
  ifInteractiveCommand->SetParameterName("macroFile", false);
  ifInteractiveCommand->SetToBeBroadcasted(false);

  doifBatchCommand = new G4UIcmdWithAString("/control/doifBatch", this);
  doifBatchCommand->SetGuidance(
    "Execute a UI command if program is running in batch mode.");
  doifBatchCommand->SetParameterName("UIcommand", false);
  doifBatchCommand->SetToBeBroadcasted(false);

  doifInteractiveCommand =
    new G4UIcmdWithAString("/control/doifInteractive", this);
  doifInteractiveCommand->SetGuidance(
    "Execute a UI command if program is running in interactive mode.");
  doifInteractiveCommand->SetParameterName("UIcommand", false);
  doifInteractiveCommand->SetToBeBroadcasted(false);
}

// --------------------------------------------------------------------
G4UIcontrolMessenger::~G4UIcontrolMessenger()
{
  delete macroPathCommand;
  delete ExecuteCommand;
  delete suppressAbortionCommand;
  delete verboseCommand;
  delete doublePrecCommand;
  delete historyCommand;
  delete stopStoreHistoryCommand;
  delete ManualCommand;
  delete aliasCommand;
  delete unaliasCommand;
  delete listAliasCommand;
  delete getEnvCmd;
  delete getValCmd;
  delete echoCmd;
  delete shellCommand;
  delete loopCommand;
  delete foreachCommand;
  delete HTMLCommand;
  delete maxStoredHistCommand;
  delete ifCommand;
  delete doifCommand;
  delete addCommand;
  delete subtractCommand;
  delete multiplyCommand;
  delete divideCommand;
  delete remainderCommand;
  delete strifCommand;
  delete strdoifCommand;
  delete ifBatchCommand;
  delete ifInteractiveCommand;
  delete doifBatchCommand;
  delete doifInteractiveCommand;
  delete controlDirectory;
}

// --------------------------------------------------------------------
void G4UIcontrolMessenger::SetNewValue(G4UIcommand* command, G4String newValue)
{
  G4UImanager* UI = G4UImanager::GetUIpointer();

  if(command == macroPathCommand)
  {
    UI->SetMacroSearchPath(newValue);
    UI->ParseMacroSearchPath();
  }
  if(command == ExecuteCommand)
  {
    command->ResetFailure();
    UI->ExecuteMacroFile(UI->FindMacroPath(newValue));
    if(UI->GetLastReturnCode() != 0)
    {
      G4ExceptionDescription ed;
      ed << "Command aborted (" << UI->GetLastReturnCode() << ")";
      command->CommandFailed(UI->GetLastReturnCode(), ed);
    }
  }
  if(command == suppressAbortionCommand)
  {
    G4StateManager::GetStateManager()->SetSuppressAbortion(
      suppressAbortionCommand->GetNewIntValue(newValue));
  }
  if(command == verboseCommand)
  {
    UI->SetVerboseLevel(verboseCommand->GetNewIntValue(newValue));
  }
  if(command == doublePrecCommand)
  {
    G4UImanager::UseDoublePrecisionStr(
      doublePrecCommand->GetNewBoolValue(newValue));
  }
  if(command == historyCommand)
  {
    UI->StoreHistory(newValue);
  }
  if(command == stopStoreHistoryCommand)
  {
    UI->StoreHistory(false);
  }
  if(command == ManualCommand)
  {
    UI->ListCommands(newValue);
  }
  if(command == aliasCommand)
  {
    UI->SetAlias(newValue);
  }
  if(command == unaliasCommand)
  {
    UI->RemoveAlias(newValue);
  }
  if(command == listAliasCommand)
  {
    UI->ListAlias();
  }
  if(command == getEnvCmd)
  {
    command->ResetFailure();
    if(std::getenv(newValue))
    {
      G4String st = newValue;
      st += " ";
      st += std::getenv(newValue);
      UI->SetAlias(st.c_str());
    }
    else
    {
      G4ExceptionDescription ed;
      ed << "<" << newValue
         << "> is not defined as a shell variable. Command ignored.";
      command->CommandFailed(ed);
    }
  }
  if(command == getValCmd)
  {
    G4Tokenizer next(newValue);
    G4String aliName = next();
    G4String com     = next();
    G4String curVal  = UI->GetCurrentValues(com);
    if(!(curVal.empty()))
    {
      G4String theValue = curVal;
      G4String iIdx     = next();
      if(!(iIdx.empty()))
      {
        G4int idx = StoI(iIdx);
        G4Tokenizer nextVal(curVal);
        for(G4int i = 0; i <= idx; i++)
        {
          theValue = nextVal();
        }
      }
      G4String st = "/control/alias ";
      st += aliName + " " + theValue;
      UI->ApplyCommand(st);
    }
  }
  if(command == echoCmd)
  {
    G4cout << UI->SolveAlias(newValue) << G4endl;
  }
  if(command == shellCommand)
  {
    command->ResetFailure();
    int rc = system(newValue);
    if(rc < 0)
    {
      G4ExceptionDescription ed;
      ed << "<" << newValue
         << "> is not a valid shell command. Command ignored.";
      command->CommandFailed(ed);
    }
  }
  if(command == loopCommand)
  {
    command->ResetFailure();
    UI->LoopS(newValue);
    if(UI->GetLastReturnCode() != 0)
    {
      G4ExceptionDescription ed;
      ed << "Command aborted (" << UI->GetLastReturnCode() << ")";
      command->CommandFailed(UI->GetLastReturnCode(), ed);
    }
  }
  if(command == foreachCommand)
  {
    command->ResetFailure();
    UI->ForeachS(newValue);
    if(UI->GetLastReturnCode() != 0)
    {
      G4ExceptionDescription ed;
      ed << "Command aborted (" << UI->GetLastReturnCode() << ")";
      command->CommandFailed(UI->GetLastReturnCode(), ed);
    }
  }
  if(command == HTMLCommand)
  {
    UI->CreateHTML(newValue);
  }
  if(command == maxStoredHistCommand)
  {
    UI->SetMaxHistSize(maxStoredHistCommand->GetNewIntValue(newValue));
  }
  if(command == ifCommand)
  {
    G4Tokenizer next(newValue);
    G4double l    = StoD(next());
    G4String comp = next();
    G4double r    = StoD(next());
    G4String mac  = next();
    G4bool x      = false;
    if(comp == ">")
      x = (l > r);
    else if(comp == ">=")
      x = (l >= r);
    else if(comp == "<")
      x = (l < r);
    else if(comp == "<=")
      x = (l <= r);
    else if(comp == "==")
      x = (l == r);
    else if(comp == "!=")
      x = (l != r);
    if(x)
      UI->ExecuteMacroFile(mac);
  }
  if(command == doifCommand)
  {
    G4Tokenizer next(newValue);
    G4double l    = StoD(next());
    G4String comp = next();
    G4double r    = StoD(next());

    G4String c1 = next();
    G4String ca;
    while(!((ca = next()).empty()))
    {
      c1 += " ";
      c1 += ca;
    }
    if(c1[0] == '"')
    {
      G4String strippedValue;
      if(c1.back() == '"')
      {
        strippedValue = c1.substr(1, c1.length() - 2);
      }
      else
      {
        strippedValue = c1.substr(1, c1.length() - 1);
      }
      c1 = strippedValue;
    }

    G4bool x = false;
    if(comp == ">")
      x = (l > r);
    else if(comp == ">=")
      x = (l >= r);
    else if(comp == "<")
      x = (l < r);
    else if(comp == "<=")
      x = (l <= r);
    else if(comp == "==")
      x = (l == r);
    else if(comp == "!=")
      x = (l != r);
    if(x)
      UI->ApplyCommand(c1);
  }
  if(command == addCommand)
  {
    G4Tokenizer next(newValue);
    G4String newA = next();
    G4double l    = StoD(next());
    G4double r    = StoD(next());
    G4String st   = "/control/alias ";
    st += newA;
    st += " ";
    st += DtoS(l + r);
    UI->ApplyCommand(st);
  }
  if(command == subtractCommand)
  {
    G4Tokenizer next(newValue);
    G4String newA = next();
    G4double l    = StoD(next());
    G4double r    = StoD(next());
    G4String st   = "/control/alias ";
    st += newA;
    st += " ";
    st += DtoS(l - r);
    UI->ApplyCommand(st);
  }
  if(command == multiplyCommand)
  {
    G4Tokenizer next(newValue);
    G4String newA = next();
    G4double l    = StoD(next());
    G4double r    = StoD(next());
    G4String st   = "/control/alias ";
    st += newA;
    st += " ";
    st += DtoS(l * r);
    UI->ApplyCommand(st);
  }
  if(command == divideCommand)
  {
    G4Tokenizer next(newValue);
    G4String newA = next();
    G4double l    = StoD(next());
    G4double r    = StoD(next());
    G4String st   = "/control/alias ";
    st += newA;
    st += " ";
    st += DtoS(l / r);
    UI->ApplyCommand(st);
  }
  if(command == remainderCommand)
  {
    G4Tokenizer next(newValue);
    G4String newA = next();
    G4int l       = StoI(next());
    G4int r       = StoI(next());
    G4String st   = "/control/alias ";
    st += newA;
    st += " ";
    st += DtoS(l % r);
    UI->ApplyCommand(st);
  }
  if(command == strifCommand)
  {
    G4Tokenizer next(newValue);
    G4String l    = next();
    G4String comp = next();
    G4String r    = next();
    G4String mac  = next();
    G4bool x      = false;
    if(comp == "==")
    {
      x = (l == r);
    }
    else if(comp == "!=")
    {
      x = (l != r);
    }
    if(x)
      UI->ExecuteMacroFile(mac);
  }
  if(command == strdoifCommand)
  {
    G4Tokenizer next(newValue);
    G4String l    = next();
    G4String comp = next();
    G4String r    = next();

    G4String c1 = next();
    G4String ca;
    while(!((ca = next()).empty()))
    {
      c1 += " ";
      c1 += ca;
    }
    if(c1[0] == '"')
    {
      G4String strippedValue;
      if(c1.back() == '"')
      {
        strippedValue = c1.substr(1, c1.length() - 2);
      }
      else
      {
        strippedValue = c1.substr(1, c1.length() - 1);
      }
      c1 = strippedValue;
    }

    G4bool x = false;
    if(comp == "==")
    {
      x = (l == r);
    }
    else if(comp == "!=")
    {
      x = (l != r);
    }
    if(x)
      UI->ApplyCommand(c1);
  }
  if(command == ifBatchCommand)
  {
    if(G4UIsession::InSession() == 0)
      UI->ExecuteMacroFile(UI->FindMacroPath(newValue));
  }
  if(command == ifInteractiveCommand)
  {
    if(G4UIsession::InSession() > 0)
      UI->ExecuteMacroFile(UI->FindMacroPath(newValue));
  }
  if(command == doifBatchCommand)
  {
    if(G4UIsession::InSession() == 0)
      UI->ApplyCommand(newValue);
  }
  if(command == doifInteractiveCommand)
  {
    if(G4UIsession::InSession() > 0)
      UI->ApplyCommand(newValue);
  }
}

// --------------------------------------------------------------------
G4String G4UIcontrolMessenger::GetCurrentValue(G4UIcommand* command)
{
  G4UImanager* UI = G4UImanager::GetUIpointer();
  G4String currentValue;

  if(command == macroPathCommand)
  {
    currentValue = UI->GetMacroSearchPath();
  }
  if(command == verboseCommand)
  {
    currentValue = verboseCommand->ConvertToString(UI->GetVerboseLevel());
  }
  if(command == doublePrecCommand)
  {
    currentValue =
      doublePrecCommand->ConvertToString(G4UImanager::DoublePrecisionStr());
  }
  if(command == suppressAbortionCommand)
  {
    currentValue = suppressAbortionCommand->ConvertToString(
      G4StateManager::GetStateManager()->GetSuppressAbortion());
  }
  if(command == maxStoredHistCommand)
  {
    currentValue = maxStoredHistCommand->ConvertToString(UI->GetMaxHistSize());
  }

  return currentValue;
}