coco
102 lines
2.8 KiB
C++
102 lines
2.8 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_LZP_BUFFER_KERNEl_C_
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#define DLIB_LZP_BUFFER_KERNEl_C_
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#include "lzp_buffer_kernel_abstract.h"
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#include "../algs.h"
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#include "../assert.h"
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#include <iostream>
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namespace dlib
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{
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template <
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typename lzp_base
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>
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class lzp_buffer_kernel_c : public lzp_base
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{
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public:
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lzp_buffer_kernel_c (
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unsigned long buffer_size
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);
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unsigned char operator[] (
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unsigned long index
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) const;
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unsigned long make_safe (
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unsigned long buffer_size
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)
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/*!
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ensures
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- if ( 10 < buffer_size < 32) then
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- returns buffer_size
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- else
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- throws due to failed CASSERT
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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( 10 < buffer_size && buffer_size < 32,
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"\tlzp_buffer::lzp_buffer(unsigned long)"
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<< "\n\tbuffer_size must be in the range 11 to 31."
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<< "\n\tthis: " << this
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<< "\n\tbuffer_size: " << buffer_size
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);
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return buffer_size;
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}
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};
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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 lzp_base
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>
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unsigned char lzp_buffer_kernel_c<lzp_base>::
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operator[] (
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unsigned long index
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) const
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{
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// make sure requires clause is not broken
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DLIB_CASSERT( index < this->size(),
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"\tunsigned char lzp_buffer::operator[](unsigned long) const"
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<< "\n\tindex must be in the range 0 to size()()-1"
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<< "\n\tthis: " << this
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<< "\n\tsize(): " << this->size()
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<< "\n\tindex: " << index
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);
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// call the real function
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return lzp_base::operator[](index);
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}
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// ----------------------------------------------------------------------------------------
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template <
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typename lzp_base
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>
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lzp_buffer_kernel_c<lzp_base>::
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lzp_buffer_kernel_c (
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unsigned long buffer_size
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) :
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lzp_base(make_safe(buffer_size))
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{
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}
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// ----------------------------------------------------------------------------------------
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}
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#endif // DLIB_LZP_BUFFER_KERNEl_C_
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