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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_BIT_STREAM_KERNEl_C_
#define DLIB_BIT_STREAM_KERNEl_C_
#include "bit_stream_kernel_abstract.h"
#include "../algs.h"
#include "../assert.h"
#include <iosfwd>
namespace dlib
{
template <
typename bit_stream_base // implements bit_stream/bit_stream_kernel_abstract.h
>
class bit_stream_kernel_c : public bit_stream_base
{
public:
void set_input_stream (
std::istream& is
);
void set_output_stream (
std::ostream& os
);
void close (
);
void write (
int bit
);
bool read (
int& bit
);
};
template <
typename bit_stream_base
>
inline void swap (
bit_stream_kernel_c<bit_stream_base>& a,
bit_stream_kernel_c<bit_stream_base>& b
) { a.swap(b); }
// ----------------------------------------------------------------------------------------
// ----------------------------------------------------------------------------------------
// member function definitions
// ----------------------------------------------------------------------------------------
// ----------------------------------------------------------------------------------------
template <
typename bit_stream_base
>
void bit_stream_kernel_c<bit_stream_base>::
set_input_stream (
std::istream& is
)
{
// make sure requires clause is not broken
DLIB_CASSERT(( this->is_in_write_mode() == false ) && ( this->is_in_read_mode() == false ),
"\tvoid bit_stream::set_intput_stream"
<< "\n\tbit_stream must not be in write or read mode"
<< "\n\tthis: " << this
);
// call the real function
bit_stream_base::set_input_stream(is);
}
// ----------------------------------------------------------------------------------------
template <
typename bit_stream_base
>
void bit_stream_kernel_c<bit_stream_base>::
set_output_stream (
std::ostream& os
)
{
// make sure requires clause is not broken
DLIB_CASSERT(( this->is_in_write_mode() == false ) && ( this->is_in_read_mode() == false ),
"\tvoid bit_stream::set_output_stream"
<< "\n\tbit_stream must not be in write or read mode"
<< "\n\tthis: " << this
);
// call the real function
bit_stream_base::set_output_stream(os);
}
// ----------------------------------------------------------------------------------------
template <
typename bit_stream_base
>
void bit_stream_kernel_c<bit_stream_base>::
close (
)
{
// make sure requires clause is not broken
DLIB_CASSERT(( this->is_in_write_mode() == true ) || ( this->is_in_read_mode() == true ),
"\tvoid bit_stream::close"
<< "\n\tyou can't close a bit_stream that isn't open"
<< "\n\tthis: " << this
);
// call the real function
bit_stream_base::close();
}
// ----------------------------------------------------------------------------------------
template <
typename bit_stream_base
>
void bit_stream_kernel_c<bit_stream_base>::
write (
int bit
)
{
// make sure requires clause is not broken
DLIB_CASSERT(( this->is_in_write_mode() == true ) && ( bit == 0 || bit == 1 ),
"\tvoid bit_stream::write"
<< "\n\tthe bit stream bust be in write mode and bit must be either 1 or 0"
<< "\n\tis_in_write_mode() == " << this->is_in_write_mode()
<< "\n\tbit == " << bit
<< "\n\tthis: " << this
);
// call the real function
bit_stream_base::write(bit);
}
// ----------------------------------------------------------------------------------------
template <
typename bit_stream_base
>
bool bit_stream_kernel_c<bit_stream_base>::
read (
int& bit
)
{
// make sure requires clause is not broken
DLIB_CASSERT(( this->is_in_read_mode() == true ),
"\tbool bit_stream::read"
<< "\n\tyou can't read from a bit_stream that isn't in read mode"
<< "\n\tthis: " << this
);
// call the real function
return bit_stream_base::read(bit);
}
// ----------------------------------------------------------------------------------------
}
#endif // DLIB_BIT_STREAM_KERNEl_C_
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