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+// -*- C++ -*-
+// Boost general library 'format' ---------------------------
+// See http://www.boost.org for updates, documentation, and revision history.
+
+// (C) Samuel Krempp 2001
+// krempp@crans.ens-cachan.fr
+// 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.
+
+// ideas taken from Rüdiger Loos's format class
+// and Karl Nelson's ofstream (also took its parsing code as basis for printf parsing)
+
+// ------------------------------------------------------------------------------
+// free_funcs.hpp : implementation of the free functions declared in namespace format
+// ------------------------------------------------------------------------------
+
+#ifndef BOOST_FORMAT_FUNCS_HPP
+#define BOOST_FORMAT_FUNCS_HPP
+
+#include "boost/format.hpp"
+#include "boost/throw_exception.hpp"
+
+namespace boost {
+
+namespace io {
+ inline
+ std::string str(const basic_format& f)
+ // adds up all pieces of strings and converted items, and return the formatted string
+ {
+ return f.str();
+ }
+} // - namespace io
+
+BOOST_IO_STD ostream&
+operator<<( BOOST_IO_STD ostream& os,
+ const boost::basic_format& f)
+ // effect: "return os << str(f);" but we can try to do it faster
+{
+ typedef boost::basic_format format_t;
+ if(f.items_.size()==0)
+ os << f.prefix_;
+ else {
+ if(f.cur_arg_ < f.num_args_)
+ if( f.exceptions() & io::too_few_args_bit )
+ boost::throw_exception(io::too_few_args()); // not enough variables have been supplied !
+ if(f.style_ & format_t::special_needs)
+ os << f.str();
+ else {
+ // else we dont have to count chars output, so we dump directly to os :
+ os << f.prefix_;
+ for(unsigned long i=0; i<f.items_.size(); ++i)
+ {
+ const format_t::format_item_t& item = f.items_[i];
+ os << item.res_;
+ os << item.appendix_;
+
+ }
+ }
+ }
+ f.dumped_=true;
+ return os;
+}
+
+
+
+} // namespace boost
+
+
+#endif // BOOST_FORMAT_FUNCS_HPP