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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_STACK_KERNEl_C_
#define DLIB_STACK_KERNEl_C_
#include "stack_kernel_abstract.h"
#include "../algs.h"
#include "../assert.h"
namespace dlib
{
template <
typename stack_base
>
class stack_kernel_c : public stack_base
{
typedef typename stack_base::type T;
public:
void pop(
T& item
);
T& current(
);
const T& current(
) const;
const T& element(
) const;
T& element(
);
void remove_any (
T& item
);
};
template <
typename stack_base
>
inline void swap (
stack_kernel_c<stack_base>& a,
stack_kernel_c<stack_base>& b
) { a.swap(b); }
// ----------------------------------------------------------------------------------------
// ----------------------------------------------------------------------------------------
// member function definitions
// ----------------------------------------------------------------------------------------
// ----------------------------------------------------------------------------------------
template <
typename stack_base
>
void stack_kernel_c<stack_base>::
pop(
T& item
)
{
// make sure requires clause is not broken
DLIB_CASSERT(this->size() != 0,
"\tvoid stack::pop"
<< "\n\tsize of stack should not be zero"
<< "\n\tthis: " << this
);
// call the real function
stack_base::pop(item);
}
// ----------------------------------------------------------------------------------------
template <
typename stack_base
>
const typename stack_base::type& stack_kernel_c<stack_base>::
current(
) const
{
// make sure requires clause is not broken
DLIB_CASSERT(this->size() != 0,
"\tconst T& stack::current"
<< "\n\tsize of stack should not be zero"
<< "\n\tthis: " << this
);
// call the real function
return stack_base::current();
}
// ----------------------------------------------------------------------------------------
template <
typename stack_base
>
typename stack_base::type& stack_kernel_c<stack_base>::
current(
)
{
// make sure requires clause is not broken
DLIB_CASSERT(this->size() != 0,
"\tT& stack::current"
<< "\n\tsize of stack should not be zero"
<< "\n\tthis: " << this
);
// call the real function
return stack_base::current();
}
// ----------------------------------------------------------------------------------------
template <
typename stack_base
>
typename stack_base::type& stack_kernel_c<stack_base>::
element(
)
{
// make sure requires clause is not broken
DLIB_CASSERT(this->current_element_valid(),
"\tT& stack::element"
<< "\n\tThe current element must be valid if you are to access it."
<< "\n\tthis: " << this
);
// call the real function
return stack_base::element();
}
// ----------------------------------------------------------------------------------------
template <
typename stack_base
>
const typename stack_base::type& stack_kernel_c<stack_base>::
element(
) const
{
// make sure requires clause is not broken
DLIB_CASSERT(this->current_element_valid(),
"\tconst T& stack::element"
<< "\n\tThe current element must be valid if you are to access it."
<< "\n\tthis: " << this
);
// call the real function
return stack_base::element();
}
// ----------------------------------------------------------------------------------------
template <
typename stack_base
>
void stack_kernel_c<stack_base>::
remove_any (
T& item
)
{
// make sure requires clause is not broken
DLIB_CASSERT( (this->size() > 0),
"\tvoid stack::remove_any"
<< "\n\tsize() must be greater than zero if something is going to be removed"
<< "\n\tsize(): " << this->size()
<< "\n\tthis: " << this
);
// call the real function
stack_base::remove_any(item);
}
// ----------------------------------------------------------------------------------------
}
#endif // DLIB_STACK_KERNEl_C_
|
