*** empty log message ***

[SVN r23240]

include/boost/range/detail/implementation_help.hpp

@@ -0,0 +1,161 @@
+// Boost.Range library
+//
+//  Copyright Thorsten Ottosen 2003-2004. Use, modification and
+//  distribution is subject to the Boost Software License, Version
+//  1.0. (See accompanying file LICENSE_1_0.txt or copy at
+//  http://www.boost.org/LICENSE_1_0.txt)
+//
+// For more information, see http://www.boost.org/libs/range/
+//
+
+#ifndef BOOST_RANGE_DETAIL_IMPLEMENTATION_HELP_HPP
+#define BOOST_RANGE_DETAIL_IMPLEMENTATION_HELP_HPP
+
+#include <boost/range/config.hpp>
+#include <boost/range/detail/common.hpp>
+#include <boost/type_traits/is_same.hpp>
+#include <cstddef>
+#include <string.h>
+
+#ifndef BOOST_NO_CWCHAR
+#include <wchar.h>
+#endif
+
+namespace boost 
+{
+    namespace range_detail
+    {
+        
+        /////////////////////////////////////////////////////////////////////
+        // end() help
+        /////////////////////////////////////////////////////////////////////
+
+        inline const char* str_end( const char* s, const char* )
+        {
+            return s + strlen( s );
+        }
+        
+#ifndef BOOST_NO_CWCHAR
+        inline const wchar_t* str_end( const wchar_t* s, const wchar_t* )
+        {
+            return s + wcslen( s );
+        }
+#else
+        inline const wchar_t* str_end( const wchar_t* s, const wchar_t* )
+        {
+            if( s == 0 && s[0] == 0 )
+                return s;
+            while( *++s != 0 )
+                ;
+            return s;
+        }
+#endif         
+
+        template< typename Char >
+        inline Char* str_end( Char* s )
+        {
+            return (Char*)str_end( s, s );
+        }
+        
+        template< typename T, std::size_t sz >
+        inline T* array_end( T (&array)[sz], int )
+        {
+            return array + sz;
+        }
+        
+        template< typename T, std::size_t sz >
+        inline const T* array_end( const T (&array)[sz], int )
+        {
+            return array + sz;
+        }
+
+        template< typename T, std::size_t sz >
+        inline T* array_end( T (&arrays)[sz], char_or_wchar_t_array_tag )
+        {
+            return array + sz - 1;
+        }
+        
+        template< typename T, std::size_t sz >
+        inline const T* array_end( const T (&array)[sz], char_or_wchar_t_array_tag )
+        {
+            return array + sz - 1;
+        }
+
+        template< typename T, std::size_t sz >
+        inline T* array_end( T (&array)[sz] )
+        {
+            typedef BOOST_CT_DEDUCED_TYPENAME boost::mpl::if_c< is_same<char,T>::value || is_same<wchar_t,T>::value,
+                                                                char_or_wchar_t_array_tag,
+                                                                int >::type tag;
+
+            return array_end<T,sz>( array, tag() );
+        }
+        
+        template< typename T, std::size_t sz >
+        inline const T* array_end( const T (&array)[sz] )
+        {
+            typedef BOOST_CT_DEDUCED_TYPENAME boost::mpl::if_c< is_same<char,T>::value || is_same<wchar_t,T>::value,
+                                                                char_or_wchar_t_array_tag,
+                                                                int >::type tag;
+        
+            return array_end<T,sz>( array, tag() );
+        }
+
+        /////////////////////////////////////////////////////////////////////
+        // size() help
+        /////////////////////////////////////////////////////////////////////
+        
+        template< typename Char >
+        inline std::size_t str_size( const Char* s )
+        {
+            return str_end( s ) - s;
+        }
+         
+        template< typename T, std::size_t sz >
+        inline std::size_t array_size( T BOOST_ARRAY_REF[sz], int )
+        {
+            return sz;
+        }
+        
+        template< typename T, std::size_t sz >
+        inline std::size_t array_size( const T BOOST_ARRAY_REF[sz], int )
+        {
+            return sz;
+        }
+                
+        template< typename T, std::size_t sz >
+        inline std::size_t array_size( T BOOST_ARRAY_REF[sz], char_or_wchar_t_array_tag )
+        {
+            return sz - 1;
+        }
+                 
+        template< typename T, std::size_t sz >
+        inline std::size_t array_size( const T BOOST_ARRAY_REF[sz], char_or_wchar_t_array_tag )
+        {
+            return sz - 1;
+        }
+
+        template< typename T, std::size_t sz >
+        inline std::size_t array_size( T (&array)[sz] )
+        {
+            typedef BOOST_CT_DEDUCED_TYPENAME boost::mpl::if_c< is_same<char,T>::value || is_same<wchar_t,T>::value,
+                                                                char_or_wchar_t_array_tag,
+                                                                int >::type tag;
+            return array_size<T,sz>( array, tag() );
+        }
+
+        template< typename T, std::size_t sz >
+        inline std::size_t array_size( const T (&array)[sz] )
+        {
+            typedef BOOST_CT_DEDUCED_TYPENAME boost::mpl::if_c< is_same<char,T>::value || is_same<wchar_t,T>::value,
+                                                                char_or_wchar_t_array_tag,
+                                                                int >::type tag;
+            return array_size<T,sz>( array, tag() );
+        }
+
+    } // namespace 'range_detail'
+    
+} // namespace 'boost'
+
+
+#endif