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////////////////////////////////////////////////////////////////////////////////
//
// PlainHashIndexTable.hh
// produced: 06/04/98 jr
// last change: 06/04/98 jr
//
////////////////////////////////////////////////////////////////////////////////
#ifndef PLAINHASHINDEXTABLE_HH
#define PLAINHASHINDEXTABLE_HH
#include <stdlib.h>
#include <iostream>
#include <ctype.h>
#include <string.h>
#include "Global.hh"
#include "RefCount.hh"
#include "Array.hh"
#include "PlainHashMap.hh"
template<class Key>
class PlainHashIndexTable : public PlainHashMap<Key, size_type> {
public:
typedef PlainHashMap<Key, size_type> plainhashindextable_data;
typedef typename PlainHashMap<Key, size_type>::keyptr_type keyptr_type;
typedef typename PlainHashMap<Key, size_type>::const_keyptr_type const_keyptr_type;
typedef typename PlainHashMap<Key, size_type>::dataptr_type dataptr_type;
typedef typename PlainHashMap<Key, size_type>::const_dataptr_type const_dataptr_type;
typedef Array<const_keyptr_type> index_data_type;
private:
index_data_type _index_data;
public:
// constructors:
inline PlainHashIndexTable() : plainhashindextable_data() {}
inline PlainHashIndexTable(const plainhashindextable_data& phitd) : plainhashindextable_data(phitd) {}
inline PlainHashIndexTable(const PlainHashIndexTable& phit) : plainhashindextable_data(phit) {}
inline PlainHashIndexTable(const size_type init_size) : plainhashindextable_data(init_size) {}
// destructor:
inline ~PlainHashIndexTable() {}
// assignment:
inline PlainHashIndexTable& operator=(const PlainHashIndexTable& phit) {
plainhashindextable_data::operator=(phit);
return *this;
}
// accessors:
inline const size_type maxindex() const { return _index_data.maxindex(); }
// functions:
inline const Key& get_obj(const size_type index) const {
#ifdef INDEX_CHECK
if (index >= _index_data.maxindex()) {
std::cerr << "Key& get_obj(const size_type): "
<< "index out of range." << std::endl;
}
#endif
return *_index_data[index];
}
inline const size_type get_index(const Key& key) {
const dataptr_type& indexptr(this->member(key));
if (indexptr) {
return *indexptr;
}
const size_type new_index(_index_data.maxindex());
const HashMapData<Key, size_type>*
hashptr(plainhashindextable_data::plainhashmap_data::insert(HashMapData<Key, size_type>(key, new_index)));
_index_data.resize(new_index + 1);
_index_data[new_index] = hashptr->keyptr();
return new_index;
}
inline void insert(const Key& key) { get_index(key); }
private:
void erase(const Key&); // no erase allowed!
size_type operator[](const Key&); // no non-const reference to Data allowed!
};
#endif
// eof PlainHashIndexTable.hh
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