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ConfigBuffer.h

                  /*   ConfigBuffer.h   */

#ifndef CONFIG_BUFFER
#define CONFIG_BUFFER

#include <string>
#include <vector>
#include <map>
#include <fstream>
#include <iostream>


namespace LcgConfigBuffer{

using namespace std;

enum REsult { FAILURE , SUCCESS}; 


class ConfigBuffer {

 private: 
   
  map<string,string>  _MBuffer;
 
 public:
  
  ConfigBuffer();
  ConfigBuffer(const string& filename);
  ~ConfigBuffer();

  void show_map();

  std::vector<std::string> list_attributes();

  string get_attribute_value (const string& Attribute);

  /* 
   * Sets the value of a given attribute
   */
  REsult set_attribute_value(const string& Attribute, const string& Value);

  REsult create_new_attribute(const string& Attribute);

  /*
   * Populates a map from a config file
   */
  int populate_from_config(const string& filename); 

};

class CBException {

 private: 

  string message;  
  string filename;
  int linenumber;
  static string DefMess;
  
 public:
  
  CBException();
  CBException(const string& s, const string& file, const int& line);
  ~CBException();
  string what();
  int get_line();
  string get_file();  
};
}  //end of namespace LcgConfigBuffer

#endif

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