/home/amesfoort/DAL/dal/hdf5/exceptions/errorstack.h

/* Copyright 2011-2012  ASTRON, Netherlands Institute for Radio Astronomy
 * This file is part of the Data Access Library (DAL).
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either 
 * version 3 of the License, or (at your option) any later version.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public 
 * License along with this library.  If not, see <http://www.gnu.org/licenses/>.
 */
#ifndef DAL_ERRORSTACK_H
#define DAL_ERRORSTACK_H

#include <hdf5.h>
#include <string>
#include <vector>
#include <sstream>

/*
 * See http://www.hdfgroup.org/HDF5/doc/UG/13_ErrorHandling.html
 * and http://www.hdfgroup.org/HDF5/doc/RM/RM_H5E.html
 */

namespace dal {

class ScopedErrorStack {
public:
  ScopedErrorStack();
  ~ScopedErrorStack();
private:
  const hid_t olderrorstack;
};

class DisableErrorPrinting {
public:
  DisableErrorPrinting();
  ~DisableErrorPrinting();
private:  
  H5E_auto2_t oldhandler;
  void *oldclientdata;
};

struct HDF5StackLine {
  unsigned n;            

  hid_t cls_id;          
  hid_t maj_num;         
  hid_t min_num;         

  unsigned line;         
  std::string func_name; 
  std::string file_name; 

  std::string desc;      

  std::string cls;       
  std::string maj;       
  std::string min;       

  std::string shortDesc() const;

  std::string longDesc() const;
};


class HDF5ErrorStack {
public:
  HDF5ErrorStack();

  static void clear();

  std::vector<struct HDF5StackLine> stack() const;

private:  
  static herr_t walker(unsigned n, const H5E_error2_t *err_desc, void *clientdata);

  std::vector<struct HDF5StackLine> _stack;
};

}

#endif