/*=========================================================================
                                                                                
  Program:   bbtk
  Module:    $RCSfile: bbtkConfigurationFile.h,v $
  Language:  C++
  Date:      $Date: 2008/01/22 15:02:00 $
  Version:   $Revision: 1.1.1.1 $
                                                                                
  Copyright (c) CREATIS (Centre de Recherche et d'Applications en Traitement de
  l'Image). All rights reserved. See doc/license.txt or
  http://www.creatis.insa-lyon.fr/Public/bbtk/License.html for details.

     This software is distributed WITHOUT ANY WARRANTY; without even
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
     PURPOSE.  See the above copyright notices for more information.

=========================================================================*/
/**
 *\file
 *\brief Class bbtk::ConfigurationFile
 */
/**
 *\class bbtk::ConfigurationFile
 *\brief DDD
 *
 */

#ifndef __bbtkConfigurationFile_h__
#define __bbtkConfigurationFile_h__

#include "bbtkSystem.h"
#include <string>


#ifdef WIN32
#define _CRT_SECURE_NO_DEPRECATE
#endif

#include <stdio.h>
#include "xmlParser.h"
#include <iostream>
#include <fstream>
#include <sstream>
#include <vector>


namespace bbtk
{
//==========================================================================
class BBTK_EXPORT  ConfigurationException
{
public:
  ConfigurationException(const std::string& message) : mMessage(message) {}

  std::string mMessage;
};


//==========================================================================
class BBTK_EXPORT ConfigurationFile
{
public:

  static ConfigurationFile const &GetInstance()
  {
    static ConfigurationFile f;
    return f;
  }

  ~ConfigurationFile();

private:
  ConfigurationFile();
  void InstallPath ();

public:
  inline const std::string& Get_description() const
     { return mDescription;}
  inline const std::string& Get_url() const
     { return mUrl;}
  inline const std::string& Get_data_path() const
     { return mData_path;}  
  inline const std::string& Get_file_separator() const
     { return mFile_separator;}
  inline const std::string& Get_install_path() const
     { return mInstall_path;}
  inline const std::vector<std::string>& Get_bbs_paths() const
     { return mBbs_paths;}
  inline const std::vector<std::string>& Get_package_paths() const
     { return mPackage_paths;}
  inline const std::string& Get_config_xml_full_path() const
     { return mConfig_xml_full_path;}
  inline const std::string& Get_default_doc_tmp() const
     { return mDefault_doc_tmp;}
           
  private:
  void Read(const std::string& fileName);
  void GetTextOrClear(const XMLNode& node, std::string& var); 
  char *GetExecutablePath();
  bool FileExists(std::string strFilename);
  void CreateConfigXML( char *rootDirectory );
    
// Attributes :
  private :
  std::string mDescription; 
  /// Where is the file bbtk_config.xml
  std::string mConfig_xml_full_path;  
  /// Where the doc is
  std::string mUrl;
  std::string mInstall_path;
  std::string mData_path;
  /// / or \, depending on the OS
  std::string mFile_separator;
  /// Scripts  
  std::vector<std::string> mBbs_paths; 
  /// Package dlls    
  std::vector<std::string> mPackage_paths;
  /// If Packages link against extern dlls
  std::vector<std::string> mExt_dll_paths;
  /// Default directory for generating Graph
  std::string mDefault_doc_tmp;       
  };


}// namespace bbtk



#endif