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// Copyright (C) 2003 Davis E. King (davis@dlib.net)
// License: Boost Software License See LICENSE.txt for the full license.
#ifndef DLIB_HASH_SET_KERNEl_1_
#define DLIB_HASH_SET_KERNEl_1_
#include "hash_set_kernel_abstract.h"
#include "../algs.h"
#include "../general_hash/general_hash.h"
#include "../interfaces/enumerable.h"
#include "../interfaces/remover.h"
#include "../assert.h"
#include "../serialize.h"
namespace dlib
{
template <
typename T,
unsigned long expnum,
typename hash_table,
typename mem_manager = default_memory_manager
>
class hash_set_kernel_1 : public enumerable<const T>,
public remover<T>
{
/*!
REQUIREMENTS ON hash_table
hash_table is instantiated with <domain=T,range=char> and
T_is_POD must be set to false and
is an implementation of hash_table/hash_table_kernel_abstract.h
INITIAL VALUE
table.size() == 0
CONVENTION
table.size() = size() == the number of elements in the set and
the elements in this hash_set are stored in table
!*/
public:
typedef T type;
typedef typename hash_table::compare_type compare_type;
typedef mem_manager mem_manager_type;
hash_set_kernel_1(
) :
table(expnum)
{
COMPILE_TIME_ASSERT(expnum < 32);
}
virtual ~hash_set_kernel_1(
)
{}
inline void clear(
);
inline void add (
T& item
);
inline bool is_member (
const T& item
) const;
inline void remove (
const T& item,
T& item_copy
);
inline void destroy (
const T& item
);
inline void swap (
hash_set_kernel_1& item
);
// functions from the remover interface
inline void remove_any (
T& item
);
// functions from the enumerable interface
inline size_t size (
) const;
inline bool at_start (
) const;
inline void reset (
) const;
inline bool current_element_valid (
) const;
inline const T& element (
) const;
inline const T& element (
);
inline bool move_next (
) const;
private:
hash_table table;
char junk;
// restricted functions
hash_set_kernel_1(hash_set_kernel_1&);
hash_set_kernel_1& operator= ( hash_set_kernel_1&);
};
template <
typename T,
unsigned long expnum,
typename hash_table,
typename mem_manager
>
inline void swap (
hash_set_kernel_1<T,expnum,hash_table,mem_manager>& a,
hash_set_kernel_1<T,expnum,hash_table,mem_manager>& b
) { a.swap(b); }
template <
typename T,
unsigned long expnum,
typename hash_table,
typename mem_manager
>
void deserialize (
hash_set_kernel_1<T,expnum,hash_table,mem_manager>& item,
std::istream& in
)
{
try
{
item.clear();
unsigned long size;
deserialize(size,in);
T temp;
for (unsigned long i = 0; i < size; ++i)
{
deserialize(temp,in);
item.add(temp);
}
}
catch (serialization_error& e)
{
item.clear();
throw serialization_error(e.info + "\n while deserializing object of type hash_set_kernel_1");
}
}
// ----------------------------------------------------------------------------------------
// ----------------------------------------------------------------------------------------
// member function definitions
// ----------------------------------------------------------------------------------------
// ----------------------------------------------------------------------------------------
template <
typename T,
unsigned long expnum,
typename hash_table,
typename mem_manager
>
void hash_set_kernel_1<T,expnum,hash_table,mem_manager>::
clear (
)
{
table.clear();
}
// ----------------------------------------------------------------------------------------
template <
typename T,
unsigned long expnum,
typename hash_table,
typename mem_manager
>
void hash_set_kernel_1<T,expnum,hash_table,mem_manager>::
add (
T& item
)
{
table.add(item,junk);
}
// ----------------------------------------------------------------------------------------
template <
typename T,
unsigned long expnum,
typename hash_table,
typename mem_manager
>
bool hash_set_kernel_1<T,expnum,hash_table,mem_manager>::
is_member(
const T& item
) const
{
return (table[item] != 0);
}
// ----------------------------------------------------------------------------------------
template <
typename T,
unsigned long expnum,
typename hash_table,
typename mem_manager
>
void hash_set_kernel_1<T,expnum,hash_table,mem_manager>::
remove_any (
T& item
)
{
table.remove_any(item,junk);
}
// ----------------------------------------------------------------------------------------
template <
typename T,
unsigned long expnum,
typename hash_table,
typename mem_manager
>
void hash_set_kernel_1<T,expnum,hash_table,mem_manager>::
remove(
const T& item,
T& item_copy
)
{
table.remove(item,item_copy,junk);
}
// ----------------------------------------------------------------------------------------
template <
typename T,
unsigned long expnum,
typename hash_table,
typename mem_manager
>
void hash_set_kernel_1<T,expnum,hash_table,mem_manager>::
destroy(
const T& item
)
{
table.destroy(item);
}
// ----------------------------------------------------------------------------------------
template <
typename T,
unsigned long expnum,
typename hash_table,
typename mem_manager
>
size_t hash_set_kernel_1<T,expnum,hash_table,mem_manager>::
size (
) const
{
return table.size();
}
// ----------------------------------------------------------------------------------------
template <
typename T,
unsigned long expnum,
typename hash_table,
typename mem_manager
>
void hash_set_kernel_1<T,expnum,hash_table,mem_manager>::
swap (
hash_set_kernel_1<T,expnum,hash_table,mem_manager>& item
)
{
table.swap(item.table);
}
// ----------------------------------------------------------------------------------------
// ----------------------------------------------------------------------------------------
// enumerable function definitions
// ----------------------------------------------------------------------------------------
// ----------------------------------------------------------------------------------------
template <
typename T,
unsigned long expnum,
typename hash_table,
typename mem_manager
>
bool hash_set_kernel_1<T,expnum,hash_table,mem_manager>::
at_start (
) const
{
return table.at_start();
}
// ----------------------------------------------------------------------------------------
template <
typename T,
unsigned long expnum,
typename hash_table,
typename mem_manager
>
void hash_set_kernel_1<T,expnum,hash_table,mem_manager>::
reset (
) const
{
table.reset();
}
// ----------------------------------------------------------------------------------------
template <
typename T,
unsigned long expnum,
typename hash_table,
typename mem_manager
>
bool hash_set_kernel_1<T,expnum,hash_table,mem_manager>::
current_element_valid (
) const
{
return table.current_element_valid();
}
// ----------------------------------------------------------------------------------------
template <
typename T,
unsigned long expnum,
typename hash_table,
typename mem_manager
>
const T& hash_set_kernel_1<T,expnum,hash_table,mem_manager>::
element (
) const
{
return table.element().key();
}
// ----------------------------------------------------------------------------------------
template <
typename T,
unsigned long expnum,
typename hash_table,
typename mem_manager
>
const T& hash_set_kernel_1<T,expnum,hash_table,mem_manager>::
element (
)
{
return table.element().key();
}
// ----------------------------------------------------------------------------------------
template <
typename T,
unsigned long expnum,
typename hash_table,
typename mem_manager
>
bool hash_set_kernel_1<T,expnum,hash_table,mem_manager>::
move_next (
) const
{
return table.move_next();
}
// ----------------------------------------------------------------------------------------
}
#endif // DLIB_HASH_SET_KERNEl_1_
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