Subject: [Boost-commit] svn:boost r65857 - sandbox/variadic_templates/boost/composite_storage/utility
From: cppljevans_at_[hidden]
Date: 2010-10-09 08:33:20
Author: cppljevans
Date: 2010-10-09 08:33:16 EDT (Sat, 09 Oct 2010)
New Revision: 65857
URL: http://svn.boost.org/trac/boost/changeset/65857
Log:
provide tabular output
Text files modified:
sandbox/variadic_templates/boost/composite_storage/utility/show_layout_all_of_aligned.hpp | 167 ++++++++++++++++++++++++++++++++++-----
1 files changed, 144 insertions(+), 23 deletions(-)
Modified: sandbox/variadic_templates/boost/composite_storage/utility/show_layout_all_of_aligned.hpp
==============================================================================
--- sandbox/variadic_templates/boost/composite_storage/utility/show_layout_all_of_aligned.hpp (original)
+++ sandbox/variadic_templates/boost/composite_storage/utility/show_layout_all_of_aligned.hpp 2010-10-09 08:33:16 EDT (Sat, 09 Oct 2010)
@@ -8,6 +8,7 @@
#include <boost/mpl/size.hpp>
#include <boost/mpl/for_each.hpp>
#include <iostream>
+#include <iomanip>
namespace boost
{
@@ -37,6 +38,33 @@
struct print_layout_one
{
+ static char const delim=' ';
+ enum col_enum
+ { num
+ , size
+ , align
+ , sum_size
+ };
+ static unsigned const ncols=sum_size+1;
+ typedef unsigned wcols[ncols];
+ static wcols& our_wcols(void)
+ {
+ static unsigned widths[ncols]={ 3, 4, 5, 8};
+ return widths;
+ }
+ int my_count;
+ unsigned my_size_sum;
+ print_layout_one(int a_count=0,unsigned a_size_sum=0)
+ : my_count(a_count)
+ , my_size_sum(a_size_sum)
+ {
+ std::cout
+ <<std::setw(our_wcols()[0])<<"num"<<delim
+ <<std::setw(our_wcols()[1])<<"size"<<delim
+ <<std::setw(our_wcols()[2])<<"align"<<delim
+ <<std::setw(our_wcols()[3])<<"sum_size"<<delim
+ <<"\n";
+ }
template
< std::size_t Size
, std::size_t Align
@@ -44,7 +72,13 @@
void
operator()(typename components_aligned_yes::template layout_data<Size,Align>)
{
- std::cout<<"( size="<<Size<<", align="<<Align<<")\n";
+ my_size_sum+=Size;
+ std::cout
+ <<std::setw(our_wcols()[0])<<++my_count<<delim
+ <<std::setw(our_wcols()[1])<<Size<<delim
+ <<std::setw(our_wcols()[2])<<Align<<delim
+ <<std::setw(our_wcols()[3])<<my_size_sum<<delim
+ <<"\n";
}
};
@@ -85,24 +119,90 @@
struct print_layout_all
{
+ static char const delm=' ';
+ static char const none='_';
+ enum col_enum
+ { num
+ , size
+ , align
+ , pad
+ , sum_pad
+ , offset
+ };
+ static unsigned const ncols=offset+1;
+ typedef char const* title_col;
+ typedef title_col tcols[ncols];
+ static tcols& our_tcols(void)
+ {
+ static title_col titles[ncols]=
+ { "num"
+ , "size"
+ , "align"
+ , "pad"
+ , "sum_pad"
+ , "offset"
+ };
+ return titles;
+ }
+ typedef unsigned wcols[ncols];
+ static wcols& our_wcols(void)
+ {
+ static unsigned widths[ncols]={ 3, 4, 5, 3, 7, 6};
+ return widths;
+ }
+ int
+ my_count
+ ;
std::size_t
padding_all
;
- print_layout_all(std::size_t a_padding=0)
- : padding_all(a_padding)
+ print_layout_all(int a_count,std::size_t a_padding=0)
+ : my_count(a_count)
+ , padding_all(a_padding)
{}
typedef
components_aligned_yes::layout_data<>
layout0
;
+ static
+ void
+ print_all_but_offset
+ ( unsigned v_num
+ , unsigned v_size
+ , unsigned v_align
+ , unsigned v_pad
+ , unsigned v_sum_pad
+ )
+ {
+ std::cout
+ <<std::setw(our_wcols()[num])
+ <<v_num<<delm
+ <<std::setw(our_wcols()[size])
+ <<v_size<<delm
+ <<std::setw(our_wcols()[align])
+ <<v_align<<delm
+ <<std::setw(our_wcols()[pad])
+ <<v_pad<<delm
+ <<std::setw(our_wcols()[sum_pad])
+ <<v_sum_pad<<delm;
+ }
void
operator()(layout0)
{
- std::cout<<"layout0"
- <<"\n< size="<<layout0::size
- <<"\n, align="<<layout0::align
- <<"\n>\n";
- padding_all=0;
+ std::cout
+ <<std::setw(our_wcols()[num])
+ <<my_count<<delm
+ <<std::setw(our_wcols()[size])
+ <<layout0::size<<delm
+ <<std::setw(our_wcols()[align])
+ <<layout0::align<<delm
+ <<std::setw(our_wcols()[pad])
+ <<none<<delm
+ <<std::setw(our_wcols()[sum_pad])
+ <<none<<delm
+ <<std::setw(our_wcols()[offset])
+ <<none<<delm
+ <<"\n";
}
template
< typename HeadComposed
@@ -125,15 +225,19 @@
>
composition
;
- std::cout<<"composition"
- <<"\n< offset="<<composition::offset
- <<"\n, size="<<composition::size
- <<"\n, align="<<composition::align
- <<"\n>\n";
std::size_t const padding_one=composition::offset-HeadComposed::size;
- std::cout<<"padding_one="<<padding_one<<"\n";
padding_all+=padding_one;
- std::cout<<"padding_all="<<padding_all<<"\n";
+ print_all_but_offset
+ ( my_count--
+ , composition::size
+ , composition::align
+ , padding_one
+ , padding_all
+ );
+ std::cout
+ <<std::setw(our_wcols()[offset])
+ <<composition::offset<<delm
+ <<"\n";
HeadComposed head;
this->operator()(head);
}
@@ -143,8 +247,16 @@
>
static
void
- _(void)
+ _(int num_components)
{
+ for(unsigned icol=0; icol<ncols; ++icol)
+ {
+ std::cout
+ <<std::setw(our_wcols()[icol])
+ <<our_tcols()[icol]
+ <<delm;
+ }
+ std::cout<<"\n";
std::size_t const
composite_size
= alignment::aligned_offset
@@ -163,13 +275,18 @@
/* padding at the end of the composite.
*/
;
+ print_all_but_offset
+ ( num_components+1
+ , composite_size
+ , Composed::align
+ , composite_padding
+ , composite_padding
+ );
std::cout
- <<"[ composite_size="
- <<composite_size
- <<", composite_padding="
- <<composite_padding
- <<"]\n";
- print_layout_all pla(composite_padding);
+ <<std::setw(our_wcols()[offset])
+ <<none<<delm
+ <<"\n";
+ print_layout_all pla(num_components,composite_padding);
Composed composed;
pla(composed);
}
@@ -186,12 +303,16 @@
typedef
typename size_align_all<Pack>::type
size_align_result;
+ std::cout<<"***components***\n";
+ std::cout<<"----------------\n";
print_layout_one plo;
boost::mpl::for_each<size_align_result>(plo);
typedef
typename layout_all<Pack>::type
layout_result;
- print_layout_all::_<layout_result>();
+ std::cout<<"***composite***\n";
+ std::cout<<"---------------\n";
+ print_layout_all::_<layout_result>(mpl::size<Pack>::type::value);
}
}//exit layout namespace