From: dannyh_at_[hidden]
Date: 2007-05-21 21:37:33
Author: dannyh
Date: 2007-05-21 21:37:32 EDT (Mon, 21 May 2007)
New Revision: 4164
URL: http://svn.boost.org/trac/boost/changeset/4164
Log:
support for "strm << container_format() % c" syntax.
Text files modified:
sandbox/explore/boost/explore/explore.hpp | 53 ++++++++++++++++++++++++++++++++++++++++
1 files changed, 53 insertions(+), 0 deletions(-)
Modified: sandbox/explore/boost/explore/explore.hpp
==============================================================================
--- sandbox/explore/boost/explore/explore.hpp (original)
+++ sandbox/explore/boost/explore/explore.hpp 2007-05-21 21:37:32 EDT (Mon, 21 May 2007)
@@ -295,6 +295,59 @@
return print( item, std::cout, format, default_container_policy());
}
*/
+
+ //
+ // The container_formatter type to allow "inline" streaming like the following
+ //
+ // std::cout << container_format( my_formatter) % my_container1 % my_container2 << ...
+ //
+
+ template< typename container, typename formatter>
+ struct container_format_class
+ {
+ container_format_class( const container &c)
+ : container_( c)
+ {
+ // nop
+ };
+
+ const container &get_container() const
+ {
+ return container_;
+ }
+ private:
+ const container &container_;
+
+ };
+
+ template< typename formatter>
+ struct unbound_container_format_class
+ {
+ };
+
+ template< typename formatter>
+ unbound_container_format_class< formatter> container_format( const formatter &)
+ {
+ return unbound_container_format_class<formatter>();
+ }
+
+ unbound_container_format_class< default_format> container_format()
+ {
+ return unbound_container_format_class< default_format>();
+ }
+
+ template< typename container, typename formatter>
+ container_format_class< container, formatter> operator%( unbound_container_format_class<formatter> &u, const container &c)
+ {
+ return container_format_class< container, formatter>( c);
+ }
+
+ template< typename container, typename formatter>
+ std::ostream &operator<<( std::ostream &strm, const container_format_class< container, formatter> &cf)
+ {
+ return print( cf.get_container(), strm);
+ }
+
}
#endif //__EXPLORE_HPP_INCLUDED__
\ No newline at end of file