Debug.cc

//-----------------------------------------------------------------------------
// $Id$
//-----------------------------------------------------------------------------
// Filename : Debug.cc
// Section  : TRG
// Owner    : Yoshihito Iwasaki
// Email    : yoshihito.iwasaki@kek.jp
//-----------------------------------------------------------------------------
// Description : Debug utility functions
//-----------------------------------------------------------------------------
// $Log$
//-----------------------------------------------------------------------------
 
#include <iostream>
#include "trg/trg/Debug.h"
 
using namespace std;
 
namespace Belle2 {
  vector<string> TRGDebug::_stages;
  int TRGDebug::_level = 0;
 
  void
  TRGDebug::enterStage(const string& name)
  {
    if (_level)
      cout << tab() << "--> ";
    _stages.push_back(name);
    if (_level)
      cout << name << endl;
  }
 
  void
  TRGDebug::leaveStage(const string& name)
  {
    if (name != _stages.back()) {
      cout << "TRGDebug !!! given stage name(" << name << ") doesn't match"
           << " to expected stage name(" << _stages.back() << endl;
      return;
    }
    _stages.pop_back();
    if (_level)
      cout << tab() << "<-- " << name << endl;
  }
 
  string
  TRGDebug::tab(void)
  {
    string t;
    const unsigned n = _stages.size();
    for (unsigned i = 0; i < n; i++)
      t += "    ";
    return t;
  }
 
  string
  TRGDebug::tab(int extra)
  {
    string t = tab();
    if (extra > 0)
      for (unsigned i = 0; i < unsigned(extra); i++)
        t += " ";
    return t;
  }
 
  int
  TRGDebug::level(void)
  {
    return _level;
  }
 
  int
  TRGDebug::level(int a, bool b)
  {
    if (! b)
      return _level = a;
    else
      return _level = a;
  }
 
} // namespace Belle2