[Boost-commit] svn:boost r63320 - in sandbox/variadic_templates/boost/composite_storage: . buffers methods type_traits

Subject: [Boost-commit] svn:boost r63320 - in sandbox/variadic_templates/boost/composite_storage: . buffers methods type_traits
From: cppljevans_at_[hidden]
Date: 2010-06-25 14:41:28

Author: cppljevans
Date: 2010-06-25 14:41:28 EDT (Fri, 25 Jun 2010)
New Revision: 63320
URL: http://svn.boost.org/trac/boost/changeset/63320

Log:
no comments
Added:
   sandbox/variadic_templates/boost/composite_storage/buffers/
   sandbox/variadic_templates/boost/composite_storage/buffers/char_buf.hpp   (contents, props changed)
   sandbox/variadic_templates/boost/composite_storage/buffers/rval_ref_buf.hpp   (contents, props changed)
   sandbox/variadic_templates/boost/composite_storage/methods/
   sandbox/variadic_templates/boost/composite_storage/methods/all_of.hpp   (contents, props changed)
   sandbox/variadic_templates/boost/composite_storage/type_traits/
Text files modified: 
   sandbox/variadic_templates/boost/composite_storage/functor_indexed.hpp |     8 ++++++++                                
   1 files changed, 8 insertions(+), 0 deletions(-)

Added: sandbox/variadic_templates/boost/composite_storage/buffers/char_buf.hpp
==============================================================================
--- (empty file)
+++ sandbox/variadic_templates/boost/composite_storage/buffers/char_buf.hpp	2010-06-25 14:41:28 EDT (Fri, 25 Jun 2010)
@@ -0,0 +1,101 @@
+//char buffers, aligned and not aligned.
+#ifndef BOOST_COMPOSITE_STORAGE_BUFFERS_CHAR_BUF_HPP_INCLUDED
+#define BOOST_COMPOSITE_STORAGE_BUFFERS_CHAR_BUF_HPP_INCLUDED
+//  (C) Copyright Larry Evans 2010.
+//
+//  Permission to copy, use, modify, sell and distribute this software
+//  is granted provided this copyright notice appears in all copies.
+//  This software is provided "as is" without express or implied
+//  warranty, and with no claim as to its suitability for any purpose.
+//
+//====================================================================
+#include <boost/aligned_storage.hpp>
+
+namespace boost
+{
+namespace composite_storage
+{
+namespace buffers
+{
+
+enum is_aligned
+{ yes_aligned
+, not_aligned
+};
+  
+  template
+  < std::size_t Size
+  , std::size_t Align
+  , is_aligned IsAligned=yes_aligned
+  >
+  struct
+char_buf
+{
+    char_buf( void)
+    {}
+    char_buf( char_buf const&)
+    {}
+      void
+    operator=( char_buf const&)
+    {}
+      char const*
+    address(void)const
+    {
+        void const*p=buffer.address();
+        return static_cast<char const*>(p);
+    }
+      char*
+    address(void)
+    {
+        void*p=buffer.address();
+        return static_cast<char*>(p);
+    }
+ private:    
+      ::boost::aligned_storage
+      < Size
+      , Align
+      >
+    buffer
+    ;
+};
+  
+  template
+  < std::size_t Size
+  , std::size_t Align //only used by specialization of layout::alignment_of
+  >
+  struct
+char_buf
+  < Size
+  , Align
+  , not_aligned
+  >
+{
+    char_buf( void)
+    {}
+    char_buf( char_buf const&)
+    {}
+      void
+    operator=( char_buf const&)
+    {}
+      char const*
+    address(void)const
+    {
+        return buffer;
+    }
+      char*
+    address(void)
+    {
+        return buffer;
+    }
+ private:    
+    char buffer[Size]
+    ;
+};
+
+}//exit buffers namespace
+
+}//exit composite_storage namespace
+}//exit boost namespace
+#include <boost/composite_storage/buffers/rval_ref_buf.hpp>
+#include <boost/composite_storage/type_traits/remove_cv_ref.hpp>
+#endif

Added: sandbox/variadic_templates/boost/composite_storage/buffers/rval_ref_buf.hpp
==============================================================================
--- (empty file)
+++ sandbox/variadic_templates/boost/composite_storage/buffers/rval_ref_buf.hpp	2010-06-25 14:41:28 EDT (Fri, 25 Jun 2010)
@@ -0,0 +1,44 @@
+//wrapper class to flag buffer as rval reference.
+#ifndef BOOST_COMPOSITE_STORAGE_BUFFERS_RVAL_REF_BUF_HPP_INCLUDED
+#define BOOST_COMPOSITE_STORAGE_BUFFERS_RVAL_REF_BUF_HPP_INCLUDED
+//  (C) Copyright Larry Evans 2010.
+//
+//  Permission to copy, use, modify, sell and distribute this software
+//  is granted provided this copyright notice appears in all copies.
+//  This software is provided "as is" without express or implied
+//  warranty, and with no claim as to its suitability for any purpose.
+//
+//====================================================================
+
+namespace boost
+{
+namespace composite_storage
+{
+namespace buffers
+{
+
+struct rval_ref_buf
+//Purpose:
+//  Flag that the buffer for this composite
+//  is an rvalue-reference:
+//MaintenanceNote.2010-03-26:
+//  Tried just passing char&& as buffer type; however,
+//  this lead to all kinds of difficulty because
+//  calls to std::move were required many places.
+//  Also, for some reason, in assign_one template,
+//  the FrBuffer was 'char' instead of 'char&&' and
+//  I tried everything to get it to 'char&&' but
+//  nothing worked.
+//
+{
+    rval_ref_buf(char*a_buf)
+    : my_buf(a_buf)
+    {}
+    char*my_buf;
+};
+
+}//exit buffers namespace
+}//exit composite_storage namespace
+}//exit boost namespace
+#endif
+

Modified: sandbox/variadic_templates/boost/composite_storage/functor_indexed.hpp
==============================================================================
--- sandbox/variadic_templates/boost/composite_storage/functor_indexed.hpp	(original)
+++ sandbox/variadic_templates/boost/composite_storage/functor_indexed.hpp	2010-06-25 14:41:28 EDT (Fri, 25 Jun 2010)
@@ -1,6 +1,14 @@
 //
 #ifndef BOOST_COMPOSITE_STORAGE_FUNCTOR_INDEXED_HPP_INCLUDED
 #define BOOST_COMPOSITE_STORAGE_FUNCTOR_INDEXED_HPP_INCLUDED
+//  (C) Copyright Larry Evans 2010.
+//
+//  Permission to copy, use, modify, sell and distribute this software
+//  is granted provided this copyright notice appears in all copies.
+//  This software is provided "as is" without express or implied
+//  warranty, and with no claim as to its suitability for any purpose.
+//
+//====================================================================
 //[switch #includes
 //  These are from:
 //

Added: sandbox/variadic_templates/boost/composite_storage/methods/all_of.hpp
==============================================================================
--- (empty file)
+++ sandbox/variadic_templates/boost/composite_storage/methods/all_of.hpp	2010-06-25 14:41:28 EDT (Fri, 25 Jun 2010)
@@ -0,0 +1,173 @@
+//methods common to composites with all_of* tags.
+#ifndef BOOST_COMPOSITE_STORAGE_METHODS_ALL_OF_HPP_INCLUDED
+#define BOOST_COMPOSITE_STORAGE_METHODS_ALL_OF_HPP_INCLUDED
+//  (C) Copyright Larry Evans 2010.
+//
+//  Permission to copy, use, modify, sell and distribute this software
+//  is granted provided this copyright notice appears in all copies.
+//  This software is provided "as is" without express or implied
+//  warranty, and with no claim as to its suitability for any purpose.
+//
+//====================================================================
+#include <boost/mpl/range_c.hpp>
+#include <boost/mpl/next.hpp>
+#include <boost/mpl/for_each.hpp>
+#include <boost/composite_storage/enum_base.hpp>
+
+namespace boost
+{
+namespace composite_storage
+{
+namespace methods
+{
+
+  template
+  < typename Layout
+  , typename IndexBegin
+  >
+  struct
+all_of
+{
+        typedef
+      IndexBegin
+    index_begin
+    ;
+        typedef
+      typename mpl::next<typename Layout::index_part>::type
+    index_end
+    ;
+        typedef typename
+      enum_base<IndexBegin>::type
+    index_type
+    ;
+        typedef typename
+      mpl::range_c
+      < index_type
+      , index_begin::value
+      , index_end::value
+      >::type
+    indices
+    ;
+      template
+      < typename FrBuffer
+      >
+      struct
+    ctor_default_one
+    {
+
+          FrBuffer
+        my_buffer
+        ;
+        ctor_default_one(FrBuffer a_buffer)
+        : my_buffer(a_buffer)
+        {}
+          template
+          < class Index
+          >
+          void
+        operator()(Index index)const
+        {
+            Layout::inject_default(index,my_buffer);
+        }
+         
+    };
+      template
+      < typename FrBuffer
+      >
+        static
+      void
+    ctor_default_all(FrBuffer buffer)
+    //Call default construct for all components.
+    {
+        ctor_default_one<FrBuffer> constructor(buffer);
+        mpl::for_each<indices>(constructor);
+    };
+      template
+      < typename FrBuffer
+      >
+      struct
+    ctor_copy_one
+    {
+
+          char*
+        my_to_buffer
+        ;
+          FrBuffer
+        my_fr_buffer
+        ;
+        ctor_copy_one(char* a_to_buffer, FrBuffer a_fr_buffer)
+        : my_to_buffer(a_to_buffer)
+        , my_fr_buffer(a_fr_buffer)
+        {}
+          template
+          < class Index
+          >
+          void
+        operator()(Index index)const
+        {
+            Layout::inject(index,my_to_buffer,Layout::project(index,my_fr_buffer));
+        }
+         
+    };
+      template
+      < typename FrBuffer
+      >
+        static
+      void
+    ctor_copy_all(char* to_buffer, FrBuffer fr_buffer)
+    //Call copy construct for all components in to_buffer
+    //from corresponding components in fr_buffer.
+    {
+        ctor_copy_one<FrBuffer> constructor(to_buffer, fr_buffer);
+        mpl::for_each<indices>(constructor);
+    };
+      template
+      < typename FrBuffer
+      >
+      struct
+    assign_one
+    {
+
+          char*
+        my_to_buffer
+        ;
+          FrBuffer
+        my_fr_buffer
+        ;
+        assign_one(char* a_to_buffer, FrBuffer a_fr_buffer)
+        : my_to_buffer(a_to_buffer)
+        , my_fr_buffer(a_fr_buffer)
+        {}
+          template
+          < class Index
+          >
+          void
+        operator()(Index index)const
+        {
+            Layout::project(index,my_to_buffer)
+              = Layout::project
+                ( index
+                , my_fr_buffer
+                );
+        }
+         
+    };
+      template
+      < typename FrBuffer
+      >
+        static
+      void
+    assign_all(char*to_buffer, FrBuffer fr_buffer)
+    //Call assignment operator for all components in to_buffer
+    //from corresponding components in fr_buffer.
+    {
+        assign_one<FrBuffer> constructor(to_buffer, fr_buffer);
+        mpl::for_each<indices>(constructor);
+    };
+};
+
+}//exit methods namespace
+
+}//exit composite_storage namespace
+}//exit boost namespace
+#endif