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#include "hashMap.h"
// The following class defines a hash function for strings
using namespace std;
namespace HashMapSpace
{
// hashMap::hashMap();
/* hashMap::~hashMap()
{
// vector<stringHasher>::const_iterator del = m_hasher.begin();
for ( vector<stringHasher>::const_iterator del=m_hasher.begin(); del != m_hasher.end(); del++ )
{
delete(*del);
}
}*/
/**
* int hashMap::trouve ( long searchKey )
* @param searchKey
* @return
*/
int hashMap::trouve ( long searchKey )
{
long foundKey;
// vector<stringHasher>::const_iterator l_hasher=m_hasher.begin();
for ( vector<stringHasher>:: iterator l_hasher=m_hasher.begin() ; l_hasher!=m_hasher.end() ; l_hasher++ ) {
foundKey= ( *l_hasher ).getHashKey();
if ( searchKey == foundKey ) {
return 1;
}
}
return 0;
}
int hashMap::trouve ( string key )
{
long searchKey=hashValue ( key );
long foundKey;;
// vector<stringHasher>::const_iterator l_hasher=m_hasher.begin();
for ( vector<stringHasher>:: iterator l_hasher=m_hasher.begin() ; l_hasher!=m_hasher.end() ; l_hasher++ ) {
foundKey= ( *l_hasher ).getHashKey();
if ( searchKey == foundKey ) {
return 1;
}
}
return 0;
}
/**
* long hashMap::hashValue ( string key )
* @param key
* @return
*/
long hashMap::hashValue ( string key )
{
locale loc; // the "C" locale
const collate<char>& coll = use_facet<collate<char> >(loc);
return coll.hash(key.data(),key.data()+key.length());
// boost::hash<string> hasher;
// return hasher ( key );
}
/**
* void hashMap::addHasher ( string key, string value )
* @param key
* @param value
*/
void hashMap::addHasher ( string key, string value )
{
if ( trouve ( hashValue ( key ) ) ==0 ) {
// cerr << "ICI1" <<endl;
stringHasher H ( hashValue ( key ),key,value );
// cerr <<" "<< hashValue ( key )<<" "<< key<<" "<<value <<endl;
// cerr << "ICI2" <<endl;
m_hasher.push_back ( H );
}
}
stringHasher hashMap::getHasher ( string key )
{
long searchKey=hashValue ( key );
long foundKey;
stringHasher defaut(0,"","");
// vector<stringHasher>::const_iterator l_hasher=m_hasher.begin();
for ( vector<stringHasher>:: iterator l_hasher=m_hasher.begin() ; l_hasher!=m_hasher.end() ; l_hasher++ ) {
foundKey= ( *l_hasher ).getHashKey();
if ( searchKey == foundKey ) {
return ( *l_hasher );
}
}
return defaut;
}
string hashMap::getValue ( string key )
{
long searchKey=hashValue ( key );
long foundKey;
// vector<stringHasher>::const_iterator l_hasher=m_hasher.begin();
for ( vector<stringHasher>:: iterator l_hasher=m_hasher.begin() ; l_hasher!=m_hasher.end() ; l_hasher++ ) {
foundKey= ( *l_hasher ).getHashKey();
if ( searchKey == foundKey ) {
// cerr <<"value found : " << key<<"|"<< ( *l_hasher ).getValue()<<endl;
return ( *l_hasher ).getValue();
}
}
return "";
}
string hashMap::searchValue ( string value )
{
// long searchKey=hashValue ( key );
// long foundKey;
string foundValue;
// vector<stringHasher>::const_iterator l_hasher=m_hasher.begin();
for ( vector<stringHasher>:: iterator l_hasher=m_hasher.begin() ; l_hasher!=m_hasher.end() ; l_hasher++ ) {
foundValue= ( *l_hasher ).getValue();
if ( foundValue.compare ( value ) == 0 ) {
return ( *l_hasher ).getKey();
}
}
return "";
}
void hashMap::setValue ( string key , string value )
{
long searchKey=hashValue ( key );
long foundKey;
// vector<stringHasher>::const_iterator l_hasher=m_hasher.begin();
for ( vector<stringHasher>:: iterator l_hasher=m_hasher.begin() ; l_hasher!=m_hasher.end() ; l_hasher++ ) {
foundKey= ( *l_hasher ).getHashKey();
if ( searchKey == foundKey ) {
( *l_hasher ).setValue ( value );
// return ( *l_hasher ).getValue();
}
}
}
/**
*
*/
void hashMap::printHash()
{
for ( vector<stringHasher>:: iterator l_hasher=m_hasher.begin() ; l_hasher!=m_hasher.end() ; l_hasher++ ) {
cout << ( *l_hasher ).getHashKey() <<" | "<< ( *l_hasher ).getKey() << " | " << ( *l_hasher ).getValue() << endl;
}
}
// long hashValue(string key){}
}
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