G4UImanager.cc

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//
// ********************************************************************
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#include "G4UImanager.hh"
#include "G4UIcommandTree.hh"
#include "G4UIcommand.hh"
#include "G4UIsession.hh"
#include "G4UIbatch.hh"
#include "G4UIcontrolMessenger.hh"
#include "G4UnitsMessenger.hh"
#include "G4LocalThreadCoutMessenger.hh"
#include "G4ios.hh"
#include "G4strstreambuf.hh"
#include "G4StateManager.hh"
#include "G4UIaliasList.hh"
#include "G4Tokenizer.hh"
#include "G4MTcoutDestination.hh"
#include "G4UIbridge.hh"
#include "G4Threading.hh"

#include <sstream>
#include <fstream>

G4UImanager*& G4UImanager::fUImanager()
{
    G4ThreadLocalStatic G4UImanager* _instance = nullptr;
    return _instance;
}

G4bool& G4UImanager::fUImanagerHasBeenKilled()
{
    G4ThreadLocalStatic bool _instance = false;
    return _instance;
}

G4UImanager*& G4UImanager::fMasterUImanager()
{
    static G4UImanager* _instance = nullptr;
    return _instance;
}
G4bool G4UImanager::doublePrecisionStr = false;

G4int G4UImanager::igThreadID = -1;

G4UImanager * G4UImanager::GetUIpointer()
{
  if(!fUImanager())
  {
    if(!fUImanagerHasBeenKilled())
    {
      fUImanager() = new G4UImanager;
      fUImanager()->CreateMessenger();
    }
  }
  return fUImanager();
}

G4UImanager * G4UImanager::GetMasterUIpointer()
{ return fMasterUImanager(); }

G4UImanager::G4UImanager()
  : G4VStateDependent(true),
    UImessenger(0), UnitsMessenger(0), CoutMessenger(0),
    isMaster(false),bridges(0),
    ignoreCmdNotFound(false), stackCommandsForBroadcast(false),
    threadID(-1), threadCout(0), lastRC(0)
{
  savedCommand = 0;
  treeTop = new G4UIcommandTree("/");
  aliasList = new G4UIaliasList;
  G4String nullString;
  savedParameters = nullString;
  verboseLevel = 0;
  saveHistory = false;
  session = nullptr;
  g4UIWindow = nullptr;
  SetCoutDestination(session);
  pauseAtBeginOfEvent = false;
  pauseAtEndOfEvent = false;
  maxHistSize = 20;
  searchPath="";
  commandStack = new std::vector<G4String>;
}

void G4UImanager::CreateMessenger()
{
  UImessenger = new G4UIcontrolMessenger;
  UnitsMessenger = new G4UnitsMessenger;
  CoutMessenger = new G4LocalThreadCoutMessenger;
}

G4UImanager::~G4UImanager()
{
  if(bridges)
  {
    std::vector<G4UIbridge*>::iterator itr = bridges->begin();
    for(;itr!=bridges->end();itr++)
    { delete *itr; }
    delete bridges;
  }
  SetCoutDestination(nullptr);
  histVec.clear();
  if(saveHistory) historyFile.close();
  delete CoutMessenger;
  delete UnitsMessenger;
  delete UImessenger;
  delete treeTop;
  delete aliasList;
  fUImanagerHasBeenKilled() = true;
  fUImanager() = nullptr;
  if(commandStack)
  {
    commandStack->clear();
    delete commandStack;
  }
  if(threadID >= 0) 
  {
    if(threadCout) delete threadCout;
    G4iosFinalization();
    threadID = -1;
  }
}

G4UImanager::G4UImanager(const G4UImanager& ui)
  : G4VStateDependent(true)
{
  UImessenger = ui.UImessenger;
  UnitsMessenger = ui.UnitsMessenger;
  aliasList = ui.aliasList;
  g4UIWindow = ui.g4UIWindow;
  savedCommand= ui.savedCommand;
  session = ui.session;
  treeTop = ui.treeTop;
  verboseLevel = ui.verboseLevel;
  saveHistory = ui.saveHistory;
  CoutMessenger = 0;
  maxHistSize = ui.maxHistSize;
  pauseAtBeginOfEvent = ui.pauseAtBeginOfEvent;
  pauseAtEndOfEvent = ui.pauseAtEndOfEvent;
  isMaster = ui.isMaster;
  bridges = ui.bridges;
  ignoreCmdNotFound = ui.ignoreCmdNotFound;
  stackCommandsForBroadcast = ui.stackCommandsForBroadcast;
  commandStack = ui.commandStack;
  threadID = ui.threadID;
  threadCout = ui.threadCout;
  CreateMessenger();
}

const G4UImanager & G4UImanager::operator=(const G4UImanager &right)
{ return right; }
G4bool G4UImanager::operator==(const G4UImanager &right) const
{ return (this==&right); }
G4bool G4UImanager::operator!=(const G4UImanager &right) const
{ return (this!=&right); }

void G4UImanager::UseDoublePrecisionStr(G4bool val)
{ doublePrecisionStr = val; }
G4bool G4UImanager::DoublePrecisionStr()
{ return doublePrecisionStr; }

G4String G4UImanager::GetCurrentValues(const char * aCommand)
{
  G4String theCommand = aCommand;
  savedCommand = treeTop->FindPath( theCommand );
  if( savedCommand == nullptr )
  {
    G4cerr << "command not found" << G4endl;
    return G4String();
  }
  return savedCommand->GetCurrentValue();
}

G4String G4UImanager::GetCurrentStringValue(const char * aCommand,
G4int parameterNumber, G4bool reGet)
{
  if(reGet || savedCommand == nullptr)
  {
    savedParameters = GetCurrentValues( aCommand );
  }
  G4Tokenizer savedToken( savedParameters );
  G4String token;
  for(G4int i_thParameter=0;i_thParameter<parameterNumber;i_thParameter++)
  {
    token = savedToken();
    if( token.isNull() ) return G4String();
    if( token[(size_t)0] == '"' )
    {
      token.append(" ");
      token.append(savedToken("\""));
    }
  }
  return token;
}

G4String G4UImanager::GetCurrentStringValue(const char * aCommand,
const char * aParameterName, G4bool reGet)
{
  if(reGet || savedCommand == nullptr)
  {
    G4String parameterValues = GetCurrentValues( aCommand );
  }
  for(size_t i=0;i<savedCommand->GetParameterEntries();++i)
  {
    if( aParameterName ==
      savedCommand->GetParameter(i)->GetParameterName() )
      return GetCurrentStringValue(aCommand,i+1,false);
  }
  return G4String();
}

G4int G4UImanager::GetCurrentIntValue(const char * aCommand,
const char * aParameterName, G4bool reGet)
{
  G4String targetParameter =
     GetCurrentStringValue( aCommand, aParameterName, reGet );
  G4int value;
  const char* t = targetParameter;
  std::istringstream is(t);
  is >> value;
  return value;
}

G4int G4UImanager::GetCurrentIntValue(const char * aCommand,
G4int parameterNumber, G4bool reGet)
{
  G4String targetParameter =
     GetCurrentStringValue( aCommand, parameterNumber, reGet );
  G4int value;
  const char* t = targetParameter;
  std::istringstream is(t);
  is >> value;
  return value;
}

G4double G4UImanager::GetCurrentDoubleValue(const char * aCommand,
const char * aParameterName, G4bool reGet)
{
  G4String targetParameter =
     GetCurrentStringValue( aCommand, aParameterName, reGet );
  G4double value;
  const char* t = targetParameter;
  std::istringstream is(t);
  is >> value;
  return value;
}

G4double G4UImanager::GetCurrentDoubleValue(const char * aCommand,
G4int parameterNumber, G4bool reGet)
{
  G4String targetParameter =
     GetCurrentStringValue( aCommand, parameterNumber, reGet );
  G4double value;
  const char* t = targetParameter;
  std::istringstream is(t);
  is >> value;
  return value;
}

void G4UImanager::AddNewCommand(G4UIcommand * newCommand)
{
  treeTop->AddNewCommand( newCommand );
  if(fMasterUImanager()!=0&&G4Threading::G4GetThreadId()==0)
  { fMasterUImanager()->AddWorkerCommand(newCommand); }
}

void G4UImanager::AddWorkerCommand(G4UIcommand * newCommand)
{
  treeTop->AddNewCommand( newCommand, true );
}

void G4UImanager::RemoveCommand(G4UIcommand * aCommand)
{
  treeTop->RemoveCommand( aCommand );
  if(fMasterUImanager()!=0&&G4Threading::G4GetThreadId()==0)
  { fMasterUImanager()->RemoveWorkerCommand(aCommand); }
}

void G4UImanager::RemoveWorkerCommand(G4UIcommand * aCommand)
{
  treeTop->RemoveCommand( aCommand, true );
}

void G4UImanager::ExecuteMacroFile(const char * fileName)
{
  G4UIsession* batchSession = new G4UIbatch(fileName,session);
  session = batchSession;
  lastRC = 0;
  G4UIsession* previousSession = session->SessionStart();
  lastRC = session->GetLastReturnCode();
  delete session;
  session = previousSession;
}

void G4UImanager::LoopS(const char* valueList)
{
  G4String vl = valueList;
  G4Tokenizer parameterToken(vl);
  G4String mf = parameterToken();
  G4String vn = parameterToken();
  G4String c1 = parameterToken();
  c1 += " ";
  c1 += parameterToken();
  c1 += " ";
  c1 += parameterToken();
  const char* t1 = c1;
  std::istringstream is(t1);
  G4double d1;
  G4double d2;
  G4double d3;
  is >> d1 >> d2 >> d3;
  Loop(mf,vn,d1,d2,d3);
}

void G4UImanager::Loop(const char * macroFile,const char * variableName,
                   G4double initialValue,G4double finalValue,G4double stepSize)
{
  G4String cd;
  if (stepSize > 0) {
    for(G4double d=initialValue;d<=finalValue;d+=stepSize)
      {
  std::ostringstream os;
  os << d;
  cd += os.str();
  cd += " ";
      }
  } else {
    for(G4double d=initialValue;d>=finalValue;d+=stepSize)
      {
  std::ostringstream os;
  os << d;
  cd += os.str();
  cd += " ";
      }
  }
  Foreach(macroFile,variableName,cd);
}

void G4UImanager::ForeachS(const char* valueList)
{
  G4String vl = valueList;
  G4Tokenizer parameterToken(vl);
  G4String mf = parameterToken();
  G4String vn = parameterToken();
  G4String c1 = parameterToken();
  G4String ca;
  while(!((ca=parameterToken()).isNull()))
  {
    c1 += " ";
    c1 += ca;
  }

  G4String aliasValue = c1;
  if(aliasValue(0)=='"')
  {
    G4String strippedValue;
    if(aliasValue(aliasValue.length()-1)=='"')
    { strippedValue = aliasValue(1,aliasValue.length()-2); }
    else
    { strippedValue = aliasValue(1,aliasValue.length()-1); }
    aliasValue = strippedValue;
  }

//  Foreach(mf,vn,c1);
  Foreach(mf,vn,aliasValue);
}

void G4UImanager::Foreach(const char * macroFile,const char * variableName,
                   const char * candidates)
{
  G4String candidatesString = candidates;
  G4Tokenizer parameterToken( candidatesString );
  G4String cd;
  while(!((cd=parameterToken()).isNull()))
  {
    G4String vl = variableName;
    vl += " ";
    vl += cd;
    SetAlias(vl);
    ExecuteMacroFile(FindMacroPath(macroFile));
    if(lastRC!=0)
    {
      G4ExceptionDescription ed;
      ed << "Loop aborted due to a command execution error - "
         << "error code " << lastRC;
      G4Exception("G4UImanager::Foreach","UIMAN0201",JustWarning,ed);
      break;
    }
  }
}


G4String G4UImanager::SolveAlias(const char* aCmd)
{
  G4String aCommand = aCmd;
  G4int ia = aCommand.index("{");
  G4int iz = aCommand.index("#");
  while((ia != G4int(std::string::npos))&&((iz==G4int(std::string::npos))||(ia<iz)))
  {
    G4int ibx = -1;
    while(ibx<0)
    {
      G4int ib = aCommand.index("}");
      if( ib == G4int(std::string::npos) )
      {
        G4cerr << aCommand << G4endl;
        for(G4int i=0;i<ia;i++) G4cerr << " ";
        G4cerr << "^" << G4endl;
        G4cerr << "Unmatched alias parenthesis -- command ignored" << G4endl;
        G4String nullStr;
        return nullStr;
      }
      G4String ps = aCommand(ia+1,aCommand.length()-(ia+1));
      G4int ic = ps.index("{");
      G4int id = ps.index("}");
      if(ic!=G4int(std::string::npos) && ic < id)
      { ia+=ic+1; }
      else
      { ibx = ib; }
    }
    //--- Here ia represents the position of innermost "{"
    //--- and ibx represents corresponding "}"
    G4String subs;
    if(ia>0) subs = aCommand(0,ia);
    G4String alis = aCommand(ia+1,ibx-ia-1);
    G4String rems = aCommand(ibx+1,aCommand.length()-ibx);
    // G4cout << "<" << subs << "> <" << alis << "> <" << rems << ">" << G4endl;
    G4String* alVal = aliasList->FindAlias(alis);
    if(!alVal)
    {
      G4cerr << "Alias <" << alis << "> not found -- command ignored" << G4endl;
      G4String nullStr;
      return nullStr;
    }
    aCommand = subs+(*alVal)+rems;
    ia = aCommand.index("{");
  }
  return aCommand;
}

G4int G4UImanager::ApplyCommand(const G4String& aCmd)
{
  return ApplyCommand(aCmd.data());
}

#include "G4Threading.hh"

G4int G4UImanager::ApplyCommand(const char * aCmd)
{
  G4String aCommand = SolveAlias(aCmd);
  if(aCommand.isNull()) return fAliasNotFound;
  if(verboseLevel) G4cout << aCommand << G4endl;
  G4String commandString;
  G4String commandParameter;

  size_t i = aCommand.index(" ");
  if( i != std::string::npos )
  {
    commandString = aCommand(0,i);
    commandParameter = aCommand(i+1,aCommand.length()-(i+1));
  }
  else
  {
    commandString = aCommand;
  }

  // remove doubled slash
  G4int len = commandString.length();
  G4int ll = 0;
  G4String a1;
  G4String a2;
  while(ll<len-1)
  {
    if(commandString(ll,2)=="//")
    {
      if(ll==0)
      { commandString.remove(ll,1); }
      else
      {
        a1 = commandString(0,ll);
        a2 = commandString(ll+1,len-ll-1);
        commandString = a1+a2;
      }
      len--;
    }
    else
    { ll++; }
  }

  if(isMaster&&bridges)
  {
    std::vector<G4UIbridge*>::iterator itr = bridges->begin();
    for(;itr!=bridges->end();itr++)
    {
      G4int leng = (*itr)->DirLength();
      if(commandString(0,leng)==(*itr)->DirName())
      { return (*itr)->LocalUI()->ApplyCommand(commandString+" "+commandParameter); }
    }
  }

  G4UIcommand * targetCommand = treeTop->FindPath( commandString );
  if( targetCommand == nullptr )
  {
    if(ignoreCmdNotFound)
    {
      if(stackCommandsForBroadcast)
      { commandStack->push_back(commandString+" "+commandParameter); }
      return fCommandSucceeded;
    }
    else
    { return fCommandNotFound; }
  }

  if(stackCommandsForBroadcast && targetCommand->ToBeBroadcasted())
  { commandStack->push_back(commandString+" "+commandParameter); }

  if(!(targetCommand->IsAvailable()))
  { return fIllegalApplicationState; }

  if(saveHistory) historyFile << aCommand << G4endl;
  if( G4int(histVec.size()) >= maxHistSize )
  { histVec.erase(histVec.begin()); }
  histVec.push_back(aCommand);

  targetCommand->ResetFailure();
  G4int commandFailureCode = targetCommand->DoIt( commandParameter );
  if(commandFailureCode==0)
  {
    G4int additionalFailureCode = targetCommand->IfCommandFailed();
    if(additionalFailureCode > 0)
    {
      G4ExceptionDescription msg;
      msg << targetCommand->GetFailureDescription() << "\n"
          << "Error code : " << additionalFailureCode;
      G4Exception("G4UImanager::ApplyCommand","UIMAN0123",
                   JustWarning,msg);
      commandFailureCode += additionalFailureCode;
    }
  }
  return commandFailureCode;
}

void G4UImanager::StoreHistory(const char* fileName)
{ StoreHistory(true,fileName); }

void G4UImanager::StoreHistory(G4bool historySwitch,const char* fileName)
{
  if(historySwitch)
  {
    if(saveHistory)
    { historyFile.close(); }
    historyFile.open((char*)fileName);
    saveHistory = true;
  }
  else
  {
    historyFile.close();
    saveHistory = false;
  }
  saveHistory = historySwitch;
}

void G4UImanager::PauseSession(const char* msg)
{
  if(session) session->PauseSessionStart(msg);
}

void G4UImanager::ListCommands(const char* direct)
{
  G4UIcommandTree* comTree = FindDirectory(direct);
  if(comTree)
  { comTree->List(); }
  else
  { G4cout << direct << " is not found." << G4endl; }
}

G4UIcommandTree* G4UImanager::FindDirectory(const char* dirName)
{
  G4String aDirName = dirName;
  G4String targetDir = aDirName.strip(G4String::both);
  if( targetDir( targetDir.length()-1 ) != '/' )
  { targetDir += "/"; }
  G4UIcommandTree* comTree = treeTop;
  if( targetDir == "/" )
  { return comTree; }
  G4int idx = 1;
  while( idx < G4int(targetDir.length())-1 )
  {
    G4int i = targetDir.index("/",idx);
    G4String targetDirString = targetDir(0,i+1);
    comTree = comTree->GetTree(targetDirString);
    if( comTree == nullptr )
    { return nullptr; }
    idx = i+1;
  }
  return comTree;
}

G4bool G4UImanager::Notify(G4ApplicationState requestedState)
{
  //G4cout << G4StateManager::GetStateManager()->GetStateString(requestedState) << " <--- " << G4StateManager::GetStateManager()->GetStateString(G4StateManager::GetStateManager()->GetPreviousState()) << G4endl;
  if(pauseAtBeginOfEvent)
  {
    if(requestedState==G4State_EventProc &&
       G4StateManager::GetStateManager()->GetPreviousState()==G4State_GeomClosed)
    { PauseSession("BeginOfEvent"); }
  }
  if(pauseAtEndOfEvent)
  {
    if(requestedState==G4State_GeomClosed &&
       G4StateManager::GetStateManager()->GetPreviousState()==G4State_EventProc)
    { PauseSession("EndOfEvent"); }
  }
  return true;
}

//void G4UImanager::Interact()
//{
//  Interact(G4String("G4> "));
//}

//void G4UImanager::Interact(const char * pC)
//{
//  G4cerr << "G4UImanager::Interact() is out of date and is not used anymore." << G4endl;
//  G4cerr << "This method will be removed shortly!!!" << G4endl;
//  G4cerr << "In case of main() use" << G4endl;
//  G4cerr << "    G4UIsession * session = new G4UIterminal;" << G4endl;
//  G4cerr << "    session->SessionStart();" << G4endl;
//  G4cerr << "In other cases use" << G4endl;
//  G4cerr << "    G4StateManager::GetStateManager()->Pause();" << G4endl;
//}



void G4UImanager::SetCoutDestination(G4UIsession *const value)
{
    G4coutbuf.SetDestination(value);
    G4cerrbuf.SetDestination(value);
}

void G4UImanager::SetAlias(const char * aliasLine)
{
  G4String aLine = aliasLine;
  G4int i = aLine.index(" ");
  G4String aliasName = aLine(0,i);
  G4String aliasValue = aLine(i+1,aLine.length()-(i+1));
  if(aliasValue(0)=='"')
  {
    G4String strippedValue;
    if(aliasValue(aliasValue.length()-1)=='"')
    { strippedValue = aliasValue(1,aliasValue.length()-2); }
    else
    { strippedValue = aliasValue(1,aliasValue.length()-1); }
    aliasValue = strippedValue;
  }

  aliasList->ChangeAlias(aliasName,aliasValue);
}

void G4UImanager::RemoveAlias(const char * aliasName)
{
  G4String aL = aliasName;
  G4String targetAlias = aL.strip(G4String::both);
  aliasList->RemoveAlias(targetAlias);
}

void G4UImanager::ListAlias()
{
  aliasList->List();
}

void G4UImanager::CreateHTML(const char* dir)
{
  G4UIcommandTree* tr = FindDirectory(dir);
  if(tr!=0)
  { tr->CreateHTML(); }
  else
  { G4cerr << "Directory <" << dir << "> is not found." << G4endl; }
}

void G4UImanager::ParseMacroSearchPath()
{
  searchDirs.clear();

  size_t idxfirst = 0;
  size_t idxend = 0;
  G4String pathstring = "";
  while( (idxend = searchPath.index(':', idxfirst)) != G4String::npos) {
    pathstring = searchPath.substr(idxfirst, idxend-idxfirst);
    if(pathstring.size() != 0) searchDirs.push_back(pathstring);
    idxfirst = idxend + 1;
  }

  pathstring = searchPath.substr(idxfirst, searchPath.size()-idxfirst);
  if(pathstring.size() != 0) searchDirs.push_back(pathstring);
}


static G4bool FileFound(const G4String& fname)
{
  G4bool qopen = false;
  std::ifstream fs;
  fs.open(fname.c_str(), std::ios::in);
  if(fs.good()) {
    fs.close();
    qopen = true;
  }
  return qopen;
}

G4String G4UImanager::FindMacroPath(const G4String& fname) const
{
  G4String macrofile = fname;

  for (size_t i = 0; i < searchDirs.size(); i++) {
    G4String fullpath = searchDirs[i] + "/" + fname;
    if ( FileFound(fullpath) ) {
      macrofile = fullpath;
      break;
    }
  }

  return macrofile;
}

std::vector<G4String>* G4UImanager::GetCommandStack()
{
  std::vector<G4String>* returnValue = commandStack;
  commandStack = new std::vector<G4String>;
  return returnValue;
}

void G4UImanager::RegisterBridge(G4UIbridge* brg)
{
  if(brg->LocalUI()==this)
  {
    G4Exception("G4UImanager::RegisterBridge()","UI7002",FatalException,
      "G4UIBridge cannot bridge between same object.");
  }
  else
  { bridges->push_back(brg); }
}

void G4UImanager::SetUpForAThread(G4int tId)
{
  threadID = tId;
  G4iosInitialization();
  threadCout = new G4MTcoutDestination(threadID);
  threadCout->SetIgnoreCout(igThreadID);
}

void G4UImanager::SetUpForSpecialThread(G4String pref)
{
    threadID = G4Threading::GENERICTHREAD_ID;
    G4Threading::G4SetThreadId(threadID);
    G4iosInitialization();
    threadCout = new G4MTcoutDestination(threadID);
    threadCout->SetPrefixString(pref);
    threadCout->SetIgnoreCout(igThreadID);
}

void G4UImanager::SetCoutFileName(const G4String& fileN, G4bool ifAppend)
{
  // for sequential mode, ignore this method.
  if(threadID<0) return;

  if(fileN == "**Screen**")
  { threadCout->SetCoutFileName(fileN,ifAppend); }
  else
  {
    std::stringstream fn;
    fn<<"G4W_"<<threadID<<"_"<<fileN;
    threadCout->SetCoutFileName(fn.str(),ifAppend);
  }
}

void G4UImanager::SetCerrFileName(const G4String& fileN, G4bool ifAppend)
{
  // for sequential mode, ignore this method.
  if(threadID<0) return;

  if(fileN == "**Screen**")
  { threadCout->SetCerrFileName(fileN,ifAppend); }
  else
  {
    std::stringstream fn;
    fn<<"G4W_"<<threadID<<"_"<<fileN;
    threadCout->SetCerrFileName(fn.str(),ifAppend);
  }
}

void G4UImanager::SetThreadPrefixString(const G4String& s)
{
  // for sequential mode, ignore this method.
  if(threadID<0) return;
  threadCout->SetPrefixString(s);
}

void G4UImanager::SetThreadUseBuffer(G4bool flg)
{
  // for sequential mode, ignore this method.
  if(threadID<0) return;
  threadCout->EnableBuffering(flg);
}

void G4UImanager::SetThreadIgnore(G4int tid)
{
  // for sequential mode, ignore this method.
  if(threadID<0)
  {
    igThreadID = tid;
    return;
  }
  threadCout->SetIgnoreCout(tid);
}

void G4UImanager::SetThreadIgnoreInit(G4bool flg)
{
  // for sequential mode, ignore this method.
  if(threadID<0) { return; }
  threadCout->SetIgnoreInit(flg);
}