coco
173 lines
4.6 KiB
C++
173 lines
4.6 KiB
C++
// Copyright (C) 2003 Davis E. King (davis@dlib.net)
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// License: Boost Software License See LICENSE.txt for the full license.
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#ifndef DLIB_BIT_STREAM_KERNEl_C_
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#define DLIB_BIT_STREAM_KERNEl_C_
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#include "bit_stream_kernel_abstract.h"
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#include "../algs.h"
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#include "../assert.h"
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#include <iosfwd>
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namespace dlib
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{
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template <
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typename bit_stream_base // implements bit_stream/bit_stream_kernel_abstract.h
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>
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class bit_stream_kernel_c : public bit_stream_base
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{
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public:
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void set_input_stream (
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std::istream& is
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);
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void set_output_stream (
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std::ostream& os
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);
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void close (
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);
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void write (
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int bit
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);
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bool read (
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int& bit
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);
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};
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template <
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typename bit_stream_base
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>
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inline void swap (
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bit_stream_kernel_c<bit_stream_base>& a,
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bit_stream_kernel_c<bit_stream_base>& b
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) { a.swap(b); }
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// ----------------------------------------------------------------------------------------
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// ----------------------------------------------------------------------------------------
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// member function definitions
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// ----------------------------------------------------------------------------------------
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// ----------------------------------------------------------------------------------------
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template <
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typename bit_stream_base
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>
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void bit_stream_kernel_c<bit_stream_base>::
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set_input_stream (
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std::istream& is
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)
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{
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// make sure requires clause is not broken
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DLIB_CASSERT(( this->is_in_write_mode() == false ) && ( this->is_in_read_mode() == false ),
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"\tvoid bit_stream::set_intput_stream"
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<< "\n\tbit_stream must not be in write or read mode"
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<< "\n\tthis: " << this
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);
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// call the real function
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bit_stream_base::set_input_stream(is);
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}
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// ----------------------------------------------------------------------------------------
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template <
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typename bit_stream_base
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>
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void bit_stream_kernel_c<bit_stream_base>::
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set_output_stream (
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std::ostream& os
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)
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{
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// make sure requires clause is not broken
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DLIB_CASSERT(( this->is_in_write_mode() == false ) && ( this->is_in_read_mode() == false ),
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"\tvoid bit_stream::set_output_stream"
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<< "\n\tbit_stream must not be in write or read mode"
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<< "\n\tthis: " << this
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);
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// call the real function
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bit_stream_base::set_output_stream(os);
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}
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// ----------------------------------------------------------------------------------------
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template <
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typename bit_stream_base
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>
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void bit_stream_kernel_c<bit_stream_base>::
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close (
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)
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{
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// make sure requires clause is not broken
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DLIB_CASSERT(( this->is_in_write_mode() == true ) || ( this->is_in_read_mode() == true ),
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"\tvoid bit_stream::close"
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<< "\n\tyou can't close a bit_stream that isn't open"
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<< "\n\tthis: " << this
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);
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// call the real function
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bit_stream_base::close();
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}
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// ----------------------------------------------------------------------------------------
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template <
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typename bit_stream_base
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>
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void bit_stream_kernel_c<bit_stream_base>::
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write (
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int bit
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)
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{
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// make sure requires clause is not broken
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DLIB_CASSERT(( this->is_in_write_mode() == true ) && ( bit == 0 || bit == 1 ),
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"\tvoid bit_stream::write"
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<< "\n\tthe bit stream bust be in write mode and bit must be either 1 or 0"
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<< "\n\tis_in_write_mode() == " << this->is_in_write_mode()
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<< "\n\tbit == " << bit
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<< "\n\tthis: " << this
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);
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// call the real function
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bit_stream_base::write(bit);
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}
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// ----------------------------------------------------------------------------------------
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template <
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typename bit_stream_base
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>
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bool bit_stream_kernel_c<bit_stream_base>::
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read (
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int& bit
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)
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{
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// make sure requires clause is not broken
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DLIB_CASSERT(( this->is_in_read_mode() == true ),
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"\tbool bit_stream::read"
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<< "\n\tyou can't read from a bit_stream that isn't in read mode"
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<< "\n\tthis: " << this
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);
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// call the real function
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return bit_stream_base::read(bit);
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}
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// ----------------------------------------------------------------------------------------
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}
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#endif // DLIB_BIT_STREAM_KERNEl_C_
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