EvtStringHash< T > Class Template Reference

#include <EvtStringHash.hh>

Public Member Functions
	EvtStringHash (int size)
void	add (const std::string &str, T *data)
T *	get (const std::string &str)
	~EvtStringHash ()

Detailed Description

template<class T>
class EvtStringHash< T >

Definition at line 13 of file EvtStringHash.hh.

Constructor & Destructor Documentation

EvtStringHash()

template<class T>

EvtStringHash< T >::EvtStringHash ( int size )

inline

Definition at line 33 of file EvtStringHash.hh.

                                       {
 
  _size=size;
 
  typedef std::string** EvtStringPtrPtr;
  typedef T** TPtrPtr;
 
  _strings=new EvtStringPtrPtr[_size];
  _data=new TPtrPtr[_size];
  _entries=new int[_size];
 
  int i;
 
  for(i=0;i<_size;i++){
    _entries[i]=0;
  }
 
}

Referenced by EvtStringHash().

~EvtStringHash()

template<class T>

EvtStringHash< T >::~EvtStringHash ( )

inline

Definition at line 53 of file EvtStringHash.hh.

                                {
  
  int i;
  for(i=0;i<_size;i++){
    int j;
    for(j=0;j<_entries[i];j++){
      delete _strings[i][j];
    }    
    if (_entries[i]>0){
      delete [] _strings[i];
      delete [] _data[i];
    }
  }
 
  delete [] _strings;
  delete [] _data;
  delete [] _entries;
 
}

Member Function Documentation

add()

template<class T>

void EvtStringHash< T >::add ( const std::string & str, T * data )

inline

Definition at line 74 of file EvtStringHash.hh.

                                                      {
 
  int ihash=hash(str);
 
  typedef std::string* EvtStringPtr;
  typedef T* TPtr;
 
  std::string** newstrings=new EvtStringPtr[_entries[ihash]+1];
  T** newdata=new TPtr[_entries[ihash]+1];
                
  int i;
 
  for(i=0;i<_entries[ihash];i++){
    newstrings[i]=_strings[ihash][i];
    newdata[i]=_data[ihash][i];
  }
 
  newstrings[_entries[ihash]]=new std::string;
  *(newstrings[_entries[ihash]])=str;
  newdata[_entries[ihash]]=data;
  
 
  if(_entries[ihash]!=0){
    delete [] _strings[ihash];
    delete [] _data[ihash];
  }
  
  _entries[ihash]++;
 
  _strings[ihash]=newstrings;
  _data[ihash]=newdata;
 
}

get()

template<class T>

T * EvtStringHash< T >::get ( const std::string & str )

inline

Definition at line 109 of file EvtStringHash.hh.

                                            {
 
  int ihash=hash(str);
  
  int i;
 
  for (i=0;i<_entries[ihash];i++){
    if (*(_strings[ihash][i])==str) return _data[ihash][i];
  }
  
  return 0;
 
 
}

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The documentation for this class was generated from the following file:

• EvtStringHash.hh