RootDirFcn.cpp

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#define ROOTHISTCNV_ROOTDIRFCN_CPP

#include "GaudiKernel/Kernel.h"
#include "RootDirFcn.h"

#include <string>
#include <list>
#include "TFile.h"
#include "TDirectory.h"



namespace RootHistCnv {

//-----------------------------------------------------------------------------
bool RootCd(const std::string& full)
//-----------------------------------------------------------------------------
{
  int p,i=1;

  gDirectory->cd("/");
  while ( (p = full.find("/",i)) != -1) {
    auto sdir = full.substr(i,p-i);
    if (! gDirectory->GetKey(sdir.c_str()) ) {
      return false;
    }
    gDirectory->cd(sdir.c_str());
    i = p+1;
  }
  gDirectory->cd( full.substr(i).c_str() );
  return true;

}


//-----------------------------------------------------------------------------
bool RootMkdir(const std::string& full)
//-----------------------------------------------------------------------------
{

  TDirectory *gDir = gDirectory;

  int i = 1;
  auto  p=full.find(":",0);
  if ( p != std::string::npos ) {
    auto fil = full.substr(0,p);
    i = p+1;
    fil += ":/";
    gDirectory->cd(fil.c_str());
  }

  std::vector<std::string> lpath;
  while ( (p = full.find("/",i)) != std::string::npos ) {
    lpath.push_back(full.substr(i,p-i));
    i = p+1;
  }
  lpath.push_back( full.substr(i) );

  if ( full.compare(0,1,"/") == 0 ) gDirectory->cd("/");

  for(const auto& lp : lpath) {
    if (! gDirectory->GetKey(lp.c_str()) ) {
      gDirectory->mkdir(lp.c_str());
    }
    gDirectory->cd(lp.c_str());
  }
  gDirectory = gDir;

  return true;
}

//-----------------------------------------------------------------------------
std::string RootPwd()
//-----------------------------------------------------------------------------
{
  std::string dir = gDirectory->GetPath();

  return (dir);
}

//-----------------------------------------------------------------------------
bool RootTrimLeadingDir(std::string &full, std::string dir)
//-----------------------------------------------------------------------------
{

  if (dir.compare(0,1,"/") != 0) {
    dir.insert(0,"/");
  }

  if (dir.compare(dir.length()-1,1,"/") != 0) {
    dir += "/";
  }

  long ll = full.find(dir);
  if (ll != 0) {
    return false;
  }

  full.erase(0,dir.length()-1);

  return true;

}


} // RootHistCnv namespace