GlobalPropsFile.h

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#ifndef GLOBALPROPSFILE_H
#define GLOBALPROPSFILE_H

#include <map>
#include <exception>
#include <PropsFile.h>

BOREALIS_NAMESPACE_BEGIN;

class GlobalPropsFile
{
public:
  // Sets the file that the global PropsFile will report on, and creates the one
  // instance that's used by all the other methods.
  //
  // Throws an exception if any of the elements in the file aren't properly 
  // parsable, or if an instance already exists, or if the file doesn't exist.
  //
  // The instance is valid until destroyInstance() is called.
  static void makeInstance(string filepath)
    throw (exception);

  // Destroys the instance of this object created by makeInstance.
  static void destroyInstance()
    throw (exception);

  // Returns a pointer to the instance of the PropsFile. There must *be* a 
  // current instance for this to work.
  static const PropsFile * getInstance()
    throw (exception);

private:
  GlobalPropsFile();
  virtual ~GlobalPropsFile();

  static PropsFile * s_pInstance;
};

BOREALIS_NAMESPACE_END;

#endif

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