+2002-11-20 Lars Gullik Bjønnes <larsbj@birdstep.com>
+
+ * Boost.Format: add files so that this boost lib can be used.
+
2002-11-07 Angus Leeming <leeming@lyx.org>
* libs/regex/src/Makefile.am: add cregex.cpp and fileiter.cpp
--- /dev/null
+// -*- 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
+
+// ----------------------------------------------------------------------------
+// format.hpp : primary header
+// ----------------------------------------------------------------------------
+
+#ifndef BOOST_FORMAT_HPP
+#define BOOST_FORMAT_HPP
+
+#include <vector>
+#include <string>
+#include <sstream>
+#include <ostream>
+
+#include "boost/config.hpp"
+#include "boost/format/format_config.hpp"
+
+#if !defined(BOOST_MSVC) || BOOST_MSVC > 1300
+#define BOOST_OVERLOAD_FOR_NON_CONST
+#endif
+
+
+// **** Forward declarations ----------------------------------
+#include "boost/format/format_fwd.hpp" // basic_format<Ch,Tr>, and other frontends
+#include "boost/format/internals_fwd.hpp" // misc forward declarations for internal use
+
+
+// **** Auxiliary structs (stream_format_state<Ch,Tr> , and format_item<Ch,Tr> )
+#include "boost/format/internals.hpp"
+
+// **** Format class interface --------------------------------
+#include "boost/format/format_class.hpp"
+
+// **** Exceptions -----------------------------------------------
+#include "boost/format/exceptions.hpp"
+
+// **** Implementation -------------------------------------------
+#include "boost/format/format_implementation.hpp" // member functions
+
+#include "boost/format/group.hpp" // class for grouping arguments
+
+#include "boost/format/feed_args.hpp" // argument-feeding functions
+#include "boost/format/parsing.hpp" // format-string parsing (member-)functions
+
+// **** Implementation of the free functions ----------------------
+#include "boost/format/free_funcs.hpp"
+
+#ifdef BOOST_OVERLOAD_FOR_NON_CONST
+#undef BOOST_OVERLOAD_FOR_NON_CONST
+#endif
+
+
+#endif // BOOST_FORMAT_HPP
--- /dev/null
+// -*- 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)
+
+// ------------------------------------------------------------------------------
+// exceptions.hpp
+// ------------------------------------------------------------------------------
+
+
+#ifndef BOOST_FORMAT_EXCEPTIONS_HPP
+#define BOOST_FORMAT_EXCEPTIONS_HPP
+
+
+#include <stdexcept>
+
+
+namespace boost {
+
+namespace io {
+
+// **** exceptions -----------------------------------------------
+
+class format_error : public std::exception
+{
+public:
+ format_error() {}
+ virtual const char *what() const throw()
+ {
+ return "boost::format_error: "
+ "format generic failure";
+ }
+};
+
+class bad_format_string : public format_error
+{
+public:
+ bad_format_string() {}
+ virtual const char *what() const throw()
+ {
+ return "boost::bad_format_string: "
+ "format-string is ill-formed";
+ }
+};
+
+class too_few_args : public format_error
+{
+public:
+ too_few_args() {}
+ virtual const char *what() const throw()
+ {
+ return "boost::too_few_args: "
+ "format-string refered to more arguments than were passed";
+ }
+};
+
+class too_many_args : public format_error
+{
+public:
+ too_many_args() {}
+ virtual const char *what() const throw()
+ {
+ return "boost::too_many_args: "
+ "format-string refered to less arguments than were passed";
+ }
+};
+
+
+class out_of_range : public format_error
+{
+public:
+ out_of_range() {}
+ virtual const char *what() const throw()
+ {
+ return "boost::out_of_range: "
+ "tried to refer to an argument (or item) number which is out of range, "
+ "according to the format string.";
+ }
+};
+
+
+} // namespace io
+
+} // namespace boost
+
+
+#endif // BOOST_FORMAT_EXCEPTIONS_HPP
--- /dev/null
+// -*- 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
+
+// ----------------------------------------------------------------------------
+// feed_args.hpp : functions for processing each argument
+// (feed, feed_manip, and distribute)
+// ----------------------------------------------------------------------------
+
+
+#ifndef BOOST_FORMAT_FEED_ARGS_HPP
+#define BOOST_FORMAT_FEED_ARGS_HPP
+
+#include "boost/format/format_class.hpp"
+#include "boost/format/group.hpp"
+
+#include "boost/format/msvc_disambiguater.hpp"
+#include "boost/throw_exception.hpp"
+
+namespace boost {
+namespace io {
+namespace detail {
+namespace {
+
+ template<class Tr, class Ch> inline
+ void empty_buf(BOOST_IO_STD basic_ostringstream<Ch,Tr> & os) {
+ static const std::basic_string<Ch, Tr> emptyStr; // avoids 2 cases ( "" and L"" )
+ os.str(emptyStr);
+ }
+
+ template<class Ch, class Tr>
+ void do_fill( std::basic_string<Ch,Tr> & s,
+ std::streamsize w,
+ const Ch c,
+ std::ios_base::fmtflags f,
+ bool center)
+ {
+ std::streamsize n=w-s.size();
+ if(n<=0) {
+ return;
+ }
+ if(center)
+ {
+ s.reserve(w); // allocate once for the 2 inserts
+ const std::streamsize n1 = n /2, n0 = n - n1;
+ s.insert(s.begin(), n0, c);
+ s.append(n1, c);
+ }
+ else
+ {
+ if(f & std::ios_base::left) {
+ s.append(n, c);
+ }
+ else {
+ s.insert(s.begin(), n, c);
+ }
+ }
+ } // -do_fill(..)
+
+
+#if !defined(BOOST_MSVC) || BOOST_MSVC > 1300
+ template< class Ch, class Tr, class T> inline
+ void put_head(BOOST_IO_STD basic_ostream<Ch, Tr>& , const T& ) {
+ }
+
+ template< class Ch, class Tr, class T> inline
+ void put_head( BOOST_IO_STD basic_ostream<Ch, Tr>& os, const group1<T>& x ) {
+ os << group_head(x.a1_); // send the first N-1 items, not the last
+ }
+
+ template< class Ch, class Tr, class T> inline
+ void put_last( BOOST_IO_STD basic_ostream<Ch, Tr>& os, const T& x ) {
+ os << x ;
+ }
+
+ template< class Ch, class Tr, class T> inline
+ void put_last( BOOST_IO_STD basic_ostream<Ch, Tr>& os, const group1<T>& x ) {
+ os << group_last(x.a1_); // this selects the last element
+ }
+
+#ifdef BOOST_OVERLOAD_FOR_NON_CONST
+ template< class Ch, class Tr, class T> inline
+ void put_head( BOOST_IO_STD basic_ostream<Ch, Tr>& , T& ) {
+ }
+
+ template< class Ch, class Tr, class T> inline
+ void put_last( BOOST_IO_STD basic_ostream<Ch, Tr>& os, T& x ) {
+ os << x ;
+ }
+#endif
+
+#else // MSVC needs to be tricked to disambiguate this simple overload..
+ // the trick is in "boost/format/msvc_disambiguater.hpp"
+
+ template< class Ch, class Tr, class T> inline
+ void put_head( BOOST_IO_STD basic_ostream<Ch, Tr>& os, const T& x ) {
+ disambiguater<Ch, Tr, T>::put_head(os, x, 1L);
+ }
+ template< class Ch, class Tr, class T> inline
+ void put_last( BOOST_IO_STD basic_ostream<Ch, Tr>& os, const T& x ) {
+ disambiguater<Ch, Tr, T>::put_last(os, x, 1L);
+ }
+
+#endif // -msvc workaround
+
+
+
+
+ template< class Ch, class Tr, class T>
+ void put( T x,
+ const format_item<Ch, Tr>& specs,
+ std::basic_string<Ch, Tr> & res,
+ BOOST_IO_STD basic_ostringstream<Ch, Tr>& oss_ )
+ {
+ // does the actual conversion of x, with given params, into a string
+ // using the *supplied* strinstream. (the stream state is important)
+
+ typedef std::basic_string<Ch, Tr> string_t;
+ typedef format_item<Ch, Tr> format_item_t;
+
+ stream_format_state<Ch, Tr> prev_state(oss_);
+
+ specs.state_.apply_on(oss_);
+
+ // in case x is a group, apply the manip part of it,
+ // in order to find width
+ put_head( oss_, x );
+ empty_buf( oss_);
+
+ const std::streamsize w=oss_.width();
+ const std::ios_base::fmtflags fl=oss_.flags();
+ const bool internal = (fl & std::ios_base::internal) != 0;
+ const bool two_phased_filling = internal
+ && ! ( specs.pad_scheme_ & format_item_t::spacepad )
+ && specs.truncate_ < 0 ;
+
+ if( w > 0)
+ {
+ if(two_phased_filling)
+ { } // in this case, let the stream do the padding, and later on, we'll do our hack..
+ else {
+ oss_.width(0);
+ }
+ }
+
+ put_last( oss_, x);
+ res = oss_.str();
+
+ if (specs.truncate_ >= 0)
+ res.erase(specs.truncate_);
+
+ // complex fills :
+
+ if(specs.pad_scheme_ & format_item_t::spacepad)
+ {
+ if( res.size()==0 || ( res[0]!='+' && res[0]!='-' ))
+ {
+ res.insert(res.begin(), 1, ' '); // insert 1 space at pos 0
+ }
+ }
+
+ if(two_phased_filling)
+ {
+ if( res.size() - w > 0)
+ {
+ // either it was one big arg and we have nothing to do about it,
+ // either it was multi-output with first output filling up all width..
+ empty_buf( oss_);
+ oss_.width(0);
+ put_last(oss_, x );
+ string_t tmp = oss_.str(); // minimal-length output
+ std::streamsize d;
+ if( (d=w - tmp.size()) >0 ) // hum.. then we need to pad.
+ {
+ typedef typename string_t::size_type size_type;
+ size_type i = 0;
+ while( i<tmp.size() && tmp[i] == res[i] ) // find where we should pad.
+ ++i;
+ tmp.insert(i, static_cast<size_type>( d ), oss_.fill());
+ std::swap(res, tmp );
+ }
+ else
+ {
+ // size is already >= w, so no padding (cool!)
+ std::swap(res, tmp );
+ }
+ }
+ else
+ { // okay, only one thing was printed and padded, so res is fine.
+ }
+ }
+ else if(w > 0) // other cases that need do_fill
+ {
+ do_fill(res,w,oss_.fill(), fl, (specs.pad_scheme_ & format_item_t::centered) !=0 );
+ }
+
+ prev_state.apply_on(oss_);
+ empty_buf( oss_);
+ oss_.clear();
+ }
+
+} // local namespace
+
+
+
+
+
+template< class Ch, class Tr, class T>
+void distribute(basic_format<Ch,Tr>& self, T x)
+ // call put(x, ..) on every occurence of the current argument :
+{
+ if(self.cur_arg_ >= self.num_args_)
+ {
+ if( self.exceptions() & too_many_args_bit )
+ boost::throw_exception(too_many_args()); // too many variables have been supplied !
+ else return;
+ }
+ for(unsigned long i=0; i < self.items_.size(); ++i)
+ {
+ if(self.items_[i].argN_ == self.cur_arg_)
+ {
+ put<Ch, Tr, T> (x, self.items_[i], self.items_[i].res_, self.oss_ );
+ }
+ }
+}
+
+
+template<class Ch, class Tr, class T>
+basic_format<Ch, Tr>& feed(basic_format<Ch,Tr>& self, T x)
+{
+ if(self.dumped_) self.clear();
+ distribute<Ch, Tr, T> (self, x);
+ ++self.cur_arg_;
+ if(self.bound_.size() != 0)
+ {
+ while( self.cur_arg_ < self.num_args_ && self.bound_[self.cur_arg_] )
+ ++self.cur_arg_;
+ }
+
+ // this arg is finished, reset the stream's format state
+ self.state0_.apply_on(self.oss_);
+ return self;
+}
+
+
+} // namespace detail
+} // namespace io
+} // namespace boost
+
+
+#endif // BOOST_FORMAT_FEED_ARGS_HPP
--- /dev/null
+// -*- 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)
+
+// ------------------------------------------------------------------------------
+// format_class.hpp : class interface
+// ------------------------------------------------------------------------------
+
+
+#ifndef BOOST_FORMAT_CLASS_HPP
+#define BOOST_FORMAT_CLASS_HPP
+
+#include <vector>
+#include <sstream>
+#include <string>
+#include <ostream>
+#include <locale>
+#include "boost/format/format_fwd.hpp"
+#include "boost/format/internals_fwd.hpp"
+
+#include "boost/format/internals.hpp"
+
+namespace boost {
+
+template<class Ch, class Tr>
+class basic_format
+{
+ typedef BOOST_IO_STD basic_ostream<Ch, Tr> stream_t;
+ typedef io::detail::stream_format_state<Ch, Tr> stream_format_state;
+ typedef io::detail::format_item<Ch, Tr> format_item_t;
+public:
+ typedef std::basic_string<Ch, Tr> string_t;
+ typedef BOOST_IO_STD basic_ostringstream<Ch, Tr> internal_stream_t;
+
+public:
+ basic_format(const Ch* str);
+ basic_format(const Ch* str, const std::locale & loc);
+ basic_format(const string_t& s);
+ basic_format(const string_t& s, const std::locale & loc);
+ basic_format(const basic_format& x);
+ basic_format& operator= (const basic_format& x);
+
+ basic_format& clear(); // empty the string buffers (except bound arguments, see clear_binds() )
+
+ // pass arguments through those operators :
+ template<class T> basic_format& operator%(const T& x)
+ {
+ return io::detail::feed<Ch, Tr, const T&>(*this,x);
+ }
+
+#ifdef BOOST_OVERLOAD_FOR_NON_CONST
+ template<class T> basic_format& operator%(T& x)
+ {
+ return io::detail::feed<Ch, Tr, T&>(*this,x);
+ }
+#endif
+
+
+ // system for binding arguments :
+ template<class T>
+ basic_format& bind_arg(int argN, const T& val)
+ {
+ return io::detail::bind_arg_body(*this, argN, val);
+ }
+ basic_format& clear_bind(int argN);
+ basic_format& clear_binds();
+
+ // modify the params of a directive, by applying a manipulator :
+ template<class T>
+ basic_format& modify_item(int itemN, const T& manipulator)
+ {
+ return io::detail::modify_item_body(*this, itemN, manipulator) ;
+ }
+
+ // Choosing which errors will throw exceptions :
+ unsigned char exceptions() const;
+ unsigned char exceptions(unsigned char newexcept);
+
+ // final output
+ string_t str() const;
+ friend BOOST_IO_STD basic_ostream<Ch, Tr>&
+#if !defined(BOOST_MSVC) || BOOST_MSVC > 1300
+ operator<< <Ch, Tr> ( BOOST_IO_STD basic_ostream<Ch, Tr>& , const basic_format& );
+#else
+ operator<< ( BOOST_IO_STD basic_ostream<Ch, Tr>& , const basic_format& );
+#endif
+
+
+#ifndef BOOST_NO_MEMBER_TEMPLATE_FRIENDS
+ template<class Ch2, class Tr2, class T> friend basic_format<Ch2, Tr2>&
+ io::detail::feed(basic_format<Ch2,Tr2>&, T);
+
+ template<class Ch2, class Tr2, class T> friend
+ void io::detail::distribute(basic_format<Ch2,Tr2>&, T);
+
+ template<class Ch2, class Tr2, class T> friend
+ basic_format<Ch2, Tr2>& io::detail::modify_item_body(basic_format<Ch2, Tr2>&, int, const T&);
+
+ template<class Ch2, class Tr2, class T> friend
+ basic_format<Ch2, Tr2>& io::detail::bind_arg_body(basic_format<Ch2, Tr2>&, int, const T&);
+
+// make the members private only if the friend templates are supported
+private:
+#endif
+
+ // flag bits, used for style_
+ enum style_values { ordered = 1, // set only if all directives are positional directives
+ special_needs = 4 };
+
+ // parse the format string :
+ void parse(const string_t&);
+
+ int style_; // style of format-string : positional or not, etc
+ int cur_arg_; // keep track of wich argument will come
+ int num_args_; // number of expected arguments
+ mutable bool dumped_; // true only after call to str() or <<
+ std::vector<format_item_t> items_; // vector of directives (aka items)
+ string_t prefix_; // piece of string to insert before first item
+
+ std::vector<bool> bound_; // stores which arguments were bound
+ // size = num_args OR zero
+ internal_stream_t oss_; // the internal stream.
+ stream_format_state state0_; // reference state for oss_
+ unsigned char exceptions_;
+}; // class basic_format
+
+
+} // namespace boost
+
+
+#endif // BOOST_FORMAT_CLASS_HPP
--- /dev/null
+// ------------------------------------------------------------------------------
+// format_config.hpp : configuration for the format library
+// The contents of this file should be integrated into the boost config system.
+// ------------------------------------------------------------------------------
+
+#ifndef BOOST_FORMAT_CONFIG_HPP
+#define BOOST_FORMAT_CONFIG_HPP
+
+#include "boost/config.hpp"
+
+// *** This should go to "boost/config/stdlib/stlport.hpp".
+
+// If the streams are not native and there are problems with using templates
+// accross namespaces, we define some macros to enable a workaround for this.
+
+// STLport 4.5
+#if !defined(_STLP_OWN_IOSTREAMS) && defined(_STLP_USE_NAMESPACES) && defined(BOOST_NO_USING_TEMPLATE)
+# define BOOST_IO_STD
+# define BOOST_IO_NEEDS_USING_DECLARATION
+#endif
+
+// STLport 4.0
+#if !defined(__SGI_STL_OWN_IOSTREAMS) && defined(__STL_USE_OWN_NAMESPACE) && defined(BOOST_NO_USING_TEMPLATE)
+# define BOOST_IO_STD
+# define BOOST_IO_NEEDS_USING_DECLARATION
+#endif
+
+// *** This should go to "boost/config/suffix.hpp".
+
+#ifndef BOOST_IO_STD
+# define BOOST_IO_STD std::
+#endif
+
+// **** Workaround for io streams, stlport and msvc.
+#ifdef BOOST_IO_NEEDS_USING_DECLARATION
+namespace boost {
+ using std::char_traits;
+ using std::basic_ostream;
+ using std::basic_ostringstream;
+ namespace io {
+ using std::basic_ostream;
+ namespace detail {
+ using std::basic_ios;
+ using std::basic_ostream;
+ using std::basic_ostringstream;
+ }
+ }
+}
+#endif
+
+// ------------------------------------------------------------------------------
+
+#endif // BOOST_FORMAT_CONFIG_HPP
--- /dev/null
+// -*- 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)
+
+// ------------------------------------------------------------------------------
+// format_fwd.hpp : forward declarations, for primary header format.hpp
+// ------------------------------------------------------------------------------
+
+#ifndef BOOST_FORMAT_FWD_HPP
+#define BOOST_FORMAT_FWD_HPP
+
+#include <string>
+#include <ostream>
+#include "boost/config.hpp"
+
+namespace boost {
+
+template<class charT, class Traits = BOOST_IO_STD char_traits<charT> > class basic_format;
+
+typedef basic_format<char > format;
+
+#if !defined(BOOST_NO_STD_WSTRING) && !defined(BOOST_NO_STD_WSTREAM)
+typedef basic_format<wchar_t > wformat;
+#endif
+
+namespace io {
+enum format_error_bits { bad_format_string_bit = 1,
+ too_few_args_bit = 2, too_many_args_bit = 4,
+ out_of_range_bit = 8,
+ all_error_bits = 255, no_error_bits=0 };
+
+// Convertion: format to string
+template<class Ch, class Tr>
+std::basic_string<Ch, Tr> str(const basic_format<Ch, Tr>& ) ;
+
+} // namespace io
+
+
+template< class Ch, class Tr>
+BOOST_IO_STD basic_ostream<Ch, Tr>&
+operator<<( BOOST_IO_STD basic_ostream<Ch, Tr>&, const basic_format<Ch, Tr>&);
+
+
+} // namespace boost
+
+#endif // BOOST_FORMAT_FWD_HPP
--- /dev/null
+// -*- 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
+
+// ----------------------------------------------------------------------------
+// format_implementation.hpp Implementation of the basic_format class
+// ----------------------------------------------------------------------------
+
+
+#ifndef BOOST_FORMAT_IMPLEMENTATION_HPP
+#define BOOST_FORMAT_IMPLEMENTATION_HPP
+
+#include <cassert>
+
+#include "boost/format/format_class.hpp"
+#include "boost/throw_exception.hpp"
+
+namespace boost {
+
+// -------- format:: -------------------------------------------
+template< class Ch, class Tr>
+basic_format<Ch, Tr> ::basic_format(const Ch* str)
+ : style_(0), cur_arg_(0), num_args_(0), dumped_(false),
+ items_(), oss_(), exceptions_(io::all_error_bits)
+{
+ state0_.set_by_stream(oss_);
+ string_t emptyStr;
+ if( !str) str = emptyStr.c_str();
+ parse( str );
+}
+template< class Ch, class Tr>
+basic_format<Ch, Tr> ::basic_format(const Ch* str, const std::locale & loc)
+ : style_(0), cur_arg_(0), num_args_(0), dumped_(false),
+ items_(), oss_(), exceptions_(io::all_error_bits)
+{
+ oss_.imbue( loc );
+ state0_.set_by_stream(oss_);
+ string_t emptyStr;
+ if( !str) str = emptyStr.c_str();
+ parse( str );
+}
+
+template< class Ch, class Tr>
+basic_format<Ch, Tr> ::basic_format(const string_t& s)
+ : style_(0), cur_arg_(0), num_args_(0), dumped_(false),
+ items_(), oss_(), exceptions_(io::all_error_bits)
+{
+ state0_.set_by_stream(oss_);
+ parse(s);
+}
+
+template< class Ch, class Tr>
+basic_format<Ch, Tr> ::basic_format(const string_t& s, const std::locale & loc)
+ : style_(0), cur_arg_(0), num_args_(0), dumped_(false),
+ items_(), oss_(), exceptions_(io::all_error_bits)
+{
+ oss_.imbue( loc );
+ state0_.set_by_stream(oss_);
+ parse(s);
+}
+
+template< class Ch, class Tr>
+basic_format<Ch, Tr> :: basic_format(const basic_format& x)
+ : style_(x.style_), cur_arg_(x.cur_arg_), num_args_(x.num_args_), dumped_(false),
+ items_(x.items_), prefix_(x.prefix_), bound_(x.bound_),
+ oss_(), // <- we obviously can't copy x.oss_
+ state0_(x.state0_), exceptions_(x.exceptions_)
+{
+ state0_.apply_on(oss_);
+}
+
+template< class Ch, class Tr>
+basic_format<Ch, Tr>& basic_format<Ch, Tr> ::operator= (const basic_format& x)
+{
+ if(this == &x)
+ return *this;
+ state0_ = x.state0_;
+ state0_.apply_on(oss_);
+
+ // plus all the other (trivial) assignments :
+ exceptions_ = x.exceptions_;
+ items_ = x.items_;
+ prefix_ = x.prefix_;
+ bound_=x.bound_;
+ style_=x.style_;
+ cur_arg_=x.cur_arg_;
+ num_args_=x.num_args_;
+ dumped_=x.dumped_;
+ return *this;
+}
+
+
+template< class Ch, class Tr>
+unsigned char basic_format<Ch,Tr> ::exceptions() const
+{
+ return exceptions_;
+}
+
+template< class Ch, class Tr>
+unsigned char basic_format<Ch,Tr> ::exceptions(unsigned char newexcept)
+{
+ unsigned char swp = exceptions_;
+ exceptions_ = newexcept;
+ return swp;
+}
+
+
+template< class Ch, class Tr>
+basic_format<Ch,Tr>& basic_format<Ch,Tr> ::clear()
+ // empty the string buffers (except bound arguments, see clear_binds() )
+ // and make the format object ready for formatting a new set of arguments
+{
+ assert( bound_.size()==0 || num_args_ == static_cast<int>(bound_.size()) );
+
+ for(unsigned long i=0; i<items_.size(); ++i){
+ items_[i].state_ = items_[i].ref_state_;
+ // clear converted strings only if the corresponding argument is not bound :
+ if( bound_.size()==0 || !bound_[ items_[i].argN_ ] ) items_[i].res_.resize(0);
+ }
+ cur_arg_=0; dumped_=false;
+ // maybe first arg is bound:
+ if(bound_.size() != 0)
+ {
+ while(cur_arg_ < num_args_ && bound_[cur_arg_] ) ++cur_arg_;
+ }
+ return *this;
+}
+
+template< class Ch, class Tr>
+basic_format<Ch,Tr>& basic_format<Ch,Tr> ::clear_binds()
+ // cancel all bindings, and clear()
+{
+ bound_.resize(0);
+ clear();
+ return *this;
+}
+
+template< class Ch, class Tr>
+basic_format<Ch,Tr>& basic_format<Ch,Tr> ::clear_bind(int argN)
+ // cancel the binding of ONE argument, and clear()
+{
+ if(argN<1 || argN > num_args_ || bound_.size()==0 || !bound_[argN-1] )
+ {
+ if( exceptions() & out_of_range_bit )
+ boost::throw_exception(out_of_range()); // arg not in range.
+ else return *this;
+ }
+ bound_[argN-1]=false;
+ clear();
+ return *this;
+}
+
+
+
+template< class Ch, class Tr>
+std::basic_string<Ch,Tr> basic_format<Ch,Tr> ::str() const
+{
+ dumped_=true;
+ if(items_.size()==0)
+ return prefix_;
+ if( cur_arg_ < num_args_)
+ if( exceptions() & io::too_few_args_bit )
+ boost::throw_exception(io::too_few_args()); // not enough variables have been supplied !
+
+ unsigned long sz = prefix_.size();
+ unsigned long i;
+ for(i=0; i < items_.size(); ++i)
+ sz += items_[i].res_.size() + items_[i].appendix_.size();
+ string_t res;
+ res.reserve(sz);
+
+ res += prefix_;
+ for(i=0; i < items_.size(); ++i)
+ {
+ const format_item_t& item = items_[i];
+ res += item.res_;
+ if( item.argN_ == format_item_t::argN_tabulation)
+ {
+ assert( item.pad_scheme_ & format_item_t::tabulation);
+ std::streamsize n = item.state_.width_ - res.size();
+ if( n > 0 )
+ res.append( n, item.state_.fill_ );
+ }
+ res += item.appendix_;
+ }
+ return res;
+}
+
+namespace io {
+namespace detail {
+
+template<class Ch, class Tr, class T>
+basic_format<Ch, Tr>& bind_arg_body( basic_format<Ch, Tr>& self,
+ int argN,
+ const T& val)
+ // bind one argument to a fixed value
+ // this is persistent over clear() calls, thus also over str() and <<
+{
+ if(self.dumped_) self.clear(); // needed, because we will modify cur_arg_..
+ if(argN<1 || argN > self.num_args_)
+ {
+ if( self.exceptions() & out_of_range_bit )
+ boost::throw_exception(out_of_range()); // arg not in range.
+ else return self;
+ }
+ if(self.bound_.size()==0)
+ self.bound_.assign(self.num_args_,false);
+ else
+ assert( self.num_args_ == static_cast<signed int>(self.bound_.size()) );
+ int o_cur_arg = self.cur_arg_;
+ self.cur_arg_ = argN-1; // arrays begin at 0
+
+ self.bound_[self.cur_arg_]=false; // if already set, we unset and re-sets..
+ self.operator%(val); // put val at the right place, because cur_arg is set
+
+
+ // Now re-position cur_arg before leaving :
+ self.cur_arg_ = o_cur_arg;
+ self.bound_[argN-1]=true;
+ if(self.cur_arg_ == argN-1 )
+ // hum, now this arg is bound, so move to next free arg
+ {
+ while(self.cur_arg_ < self.num_args_ && self.bound_[self.cur_arg_]) ++self.cur_arg_;
+ }
+ // In any case, we either have all args, or are on a non-binded arg :
+ assert( self.cur_arg_ >= self.num_args_ || ! self.bound_[self.cur_arg_]);
+ return self;
+}
+
+template<class Ch, class Tr, class T>
+basic_format<Ch, Tr>& modify_item_body( basic_format<Ch, Tr>& self,
+ int itemN,
+ const T& manipulator)
+ // applies a manipulator to the format_item describing a given directive.
+ // this is a permanent change, clear or clear_binds won't cancel that.
+{
+ if(itemN<1 || itemN >= static_cast<signed int>(self.items_.size() ))
+ {
+ if( self.exceptions() & out_of_range_bit )
+ boost::throw_exception(out_of_range()); // item not in range.
+ else return self;
+ }
+ self.items_[itemN-1].ref_state_.apply_manip( manipulator );
+ self.items_[itemN-1].state_ = self.items_[itemN-1].ref_state_;
+ return self;
+}
+
+} // namespace detail
+
+} // namespace io
+
+} // namespace boost
+
+
+
+#endif // BOOST_FORMAT_IMPLEMENTATION_HPP
--- /dev/null
+// -*- 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/format_class.hpp"
+#include "boost/throw_exception.hpp"
+
+namespace boost {
+
+namespace io {
+ template<class Ch, class Tr> inline
+ std::basic_string<Ch, Tr> str(const basic_format<Ch, Tr>& f)
+ // adds up all pieces of strings and converted items, and return the formatted string
+ {
+ return f.str();
+ }
+} // - namespace io
+
+template< class Ch, class Tr>
+BOOST_IO_STD basic_ostream<Ch, Tr>&
+operator<<( BOOST_IO_STD basic_ostream<Ch, Tr>& os,
+ const boost::basic_format<Ch, Tr>& f)
+ // effect: "return os << str(f);" but we can try to do it faster
+{
+ typedef boost::basic_format<Ch, Tr> 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 typename 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
--- /dev/null
+
+// -*- 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
+
+// ----------------------------------------------------------------------------
+
+// group.hpp : encapsulates a group of manipulators along with an argument
+//
+// group_head : cut the last element of a group out.
+// (is overloaded below on each type of group)
+
+// group_last : returns the last element of a group
+// (is overloaded below on each type of group)
+
+// ----------------------------------------------------------------------------
+
+
+#ifndef BOOST_FORMAT_GROUP_HPP
+#define BOOST_FORMAT_GROUP_HPP
+
+#include "boost/config.hpp"
+
+
+namespace boost {
+namespace io {
+
+
+namespace detail {
+
+
+// empty group, but useful even though.
+struct group0
+{
+ group0() {}
+};
+
+template <class Ch, class Tr>
+inline
+BOOST_IO_STD basic_ostream<Ch, Tr>&
+operator << ( BOOST_IO_STD basic_ostream<Ch, Tr>& os,
+ const group0& )
+{
+ return os;
+}
+
+template <class T1>
+struct group1
+{
+ T1 a1_;
+ group1(T1 a1)
+ : a1_(a1)
+ {}
+};
+
+template <class Ch, class Tr, class T1>
+inline
+BOOST_IO_STD basic_ostream<Ch, Tr>&
+operator << (BOOST_IO_STD basic_ostream<Ch, Tr>& os,
+ const group1<T1>& x)
+{
+ os << x.a1_;
+ return os;
+}
+
+
+
+
+template <class T1,class T2>
+struct group2
+{
+ T1 a1_;
+ T2 a2_;
+ group2(T1 a1,T2 a2)
+ : a1_(a1),a2_(a2)
+ {}
+};
+
+template <class Ch, class Tr, class T1,class T2>
+inline
+BOOST_IO_STD basic_ostream<Ch, Tr>&
+operator << (BOOST_IO_STD basic_ostream<Ch, Tr>& os,
+ const group2<T1,T2>& x)
+{
+ os << x.a1_<< x.a2_;
+ return os;
+}
+
+template <class T1,class T2,class T3>
+struct group3
+{
+ T1 a1_;
+ T2 a2_;
+ T3 a3_;
+ group3(T1 a1,T2 a2,T3 a3)
+ : a1_(a1),a2_(a2),a3_(a3)
+ {}
+};
+
+template <class Ch, class Tr, class T1,class T2,class T3>
+inline
+BOOST_IO_STD basic_ostream<Ch, Tr>&
+operator << (BOOST_IO_STD basic_ostream<Ch, Tr>& os,
+ const group3<T1,T2,T3>& x)
+{
+ os << x.a1_<< x.a2_<< x.a3_;
+ return os;
+}
+
+template <class T1,class T2,class T3,class T4>
+struct group4
+{
+ T1 a1_;
+ T2 a2_;
+ T3 a3_;
+ T4 a4_;
+ group4(T1 a1,T2 a2,T3 a3,T4 a4)
+ : a1_(a1),a2_(a2),a3_(a3),a4_(a4)
+ {}
+};
+
+template <class Ch, class Tr, class T1,class T2,class T3,class T4>
+inline
+BOOST_IO_STD basic_ostream<Ch, Tr>&
+operator << (BOOST_IO_STD basic_ostream<Ch, Tr>& os,
+ const group4<T1,T2,T3,T4>& x)
+{
+ os << x.a1_<< x.a2_<< x.a3_<< x.a4_;
+ return os;
+}
+
+template <class T1,class T2,class T3,class T4,class T5>
+struct group5
+{
+ T1 a1_;
+ T2 a2_;
+ T3 a3_;
+ T4 a4_;
+ T5 a5_;
+ group5(T1 a1,T2 a2,T3 a3,T4 a4,T5 a5)
+ : a1_(a1),a2_(a2),a3_(a3),a4_(a4),a5_(a5)
+ {}
+};
+
+template <class Ch, class Tr, class T1,class T2,class T3,class T4,class T5>
+inline
+BOOST_IO_STD basic_ostream<Ch, Tr>&
+operator << (BOOST_IO_STD basic_ostream<Ch, Tr>& os,
+ const group5<T1,T2,T3,T4,T5>& x)
+{
+ os << x.a1_<< x.a2_<< x.a3_<< x.a4_<< x.a5_;
+ return os;
+}
+
+template <class T1,class T2,class T3,class T4,class T5,class T6>
+struct group6
+{
+ T1 a1_;
+ T2 a2_;
+ T3 a3_;
+ T4 a4_;
+ T5 a5_;
+ T6 a6_;
+ group6(T1 a1,T2 a2,T3 a3,T4 a4,T5 a5,T6 a6)
+ : a1_(a1),a2_(a2),a3_(a3),a4_(a4),a5_(a5),a6_(a6)
+ {}
+};
+
+template <class Ch, class Tr, class T1,class T2,class T3,class T4,class T5,class T6>
+inline
+BOOST_IO_STD basic_ostream<Ch, Tr>&
+operator << (BOOST_IO_STD basic_ostream<Ch, Tr>& os,
+ const group6<T1,T2,T3,T4,T5,T6>& x)
+{
+ os << x.a1_<< x.a2_<< x.a3_<< x.a4_<< x.a5_<< x.a6_;
+ return os;
+}
+
+template <class T1,class T2,class T3,class T4,class T5,class T6,class T7>
+struct group7
+{
+ T1 a1_;
+ T2 a2_;
+ T3 a3_;
+ T4 a4_;
+ T5 a5_;
+ T6 a6_;
+ T7 a7_;
+ group7(T1 a1,T2 a2,T3 a3,T4 a4,T5 a5,T6 a6,T7 a7)
+ : a1_(a1),a2_(a2),a3_(a3),a4_(a4),a5_(a5),a6_(a6),a7_(a7)
+ {}
+};
+
+template <class Ch, class Tr, class T1,class T2,class T3,class T4,class T5,class T6,class T7>
+inline
+BOOST_IO_STD basic_ostream<Ch, Tr>&
+operator << (BOOST_IO_STD basic_ostream<Ch, Tr>& os,
+ const group7<T1,T2,T3,T4,T5,T6,T7>& x)
+{
+ os << x.a1_<< x.a2_<< x.a3_<< x.a4_<< x.a5_<< x.a6_<< x.a7_;
+ return os;
+}
+
+template <class T1,class T2,class T3,class T4,class T5,class T6,class T7,class T8>
+struct group8
+{
+ T1 a1_;
+ T2 a2_;
+ T3 a3_;
+ T4 a4_;
+ T5 a5_;
+ T6 a6_;
+ T7 a7_;
+ T8 a8_;
+ group8(T1 a1,T2 a2,T3 a3,T4 a4,T5 a5,T6 a6,T7 a7,T8 a8)
+ : a1_(a1),a2_(a2),a3_(a3),a4_(a4),a5_(a5),a6_(a6),a7_(a7),a8_(a8)
+ {}
+};
+
+template <class Ch, class Tr, class T1,class T2,class T3,class T4,class T5,class T6,class T7,class T8>
+inline
+BOOST_IO_STD basic_ostream<Ch, Tr>&
+operator << (BOOST_IO_STD basic_ostream<Ch, Tr>& os,
+ const group8<T1,T2,T3,T4,T5,T6,T7,T8>& x)
+{
+ os << x.a1_<< x.a2_<< x.a3_<< x.a4_<< x.a5_<< x.a6_<< x.a7_<< x.a8_;
+ return os;
+}
+
+template <class T1,class T2,class T3,class T4,class T5,class T6,class T7,class T8,class T9>
+struct group9
+{
+ T1 a1_;
+ T2 a2_;
+ T3 a3_;
+ T4 a4_;
+ T5 a5_;
+ T6 a6_;
+ T7 a7_;
+ T8 a8_;
+ T9 a9_;
+ group9(T1 a1,T2 a2,T3 a3,T4 a4,T5 a5,T6 a6,T7 a7,T8 a8,T9 a9)
+ : a1_(a1),a2_(a2),a3_(a3),a4_(a4),a5_(a5),a6_(a6),a7_(a7),a8_(a8),a9_(a9)
+ {}
+};
+
+template <class Ch, class Tr, class T1,class T2,class T3,class T4,class T5,class T6,class T7,class T8,class T9>
+inline
+BOOST_IO_STD basic_ostream<Ch, Tr>&
+operator << (BOOST_IO_STD basic_ostream<Ch, Tr>& os,
+ const group9<T1,T2,T3,T4,T5,T6,T7,T8,T9>& x)
+{
+ os << x.a1_<< x.a2_<< x.a3_<< x.a4_<< x.a5_<< x.a6_<< x.a7_<< x.a8_<< x.a9_;
+ return os;
+}
+
+template <class T1,class T2,class T3,class T4,class T5,class T6,class T7,class T8,class T9,class T10>
+struct group10
+{
+ T1 a1_;
+ T2 a2_;
+ T3 a3_;
+ T4 a4_;
+ T5 a5_;
+ T6 a6_;
+ T7 a7_;
+ T8 a8_;
+ T9 a9_;
+ T10 a10_;
+ group10(T1 a1,T2 a2,T3 a3,T4 a4,T5 a5,T6 a6,T7 a7,T8 a8,T9 a9,T10 a10)
+ : a1_(a1),a2_(a2),a3_(a3),a4_(a4),a5_(a5),a6_(a6),a7_(a7),a8_(a8),a9_(a9),a10_(a10)
+ {}
+};
+
+template <class Ch, class Tr, class T1,class T2,class T3,class T4,class T5,class T6,class T7,class T8,class T9,class T10>
+inline
+BOOST_IO_STD basic_ostream<Ch, Tr>&
+operator << (BOOST_IO_STD basic_ostream<Ch, Tr>& os,
+ const group10<T1,T2,T3,T4,T5,T6,T7,T8,T9,T10>& x)
+{
+ os << x.a1_<< x.a2_<< x.a3_<< x.a4_<< x.a5_<< x.a6_<< x.a7_<< x.a8_<< x.a9_<< x.a10_;
+ return os;
+}
+
+
+
+
+template <class T1,class T2>
+inline
+group1<T1>
+group_head( group2<T1,T2> const& x)
+{
+ return group1<T1> (x.a1_);
+}
+
+template <class T1,class T2>
+inline
+group1<T2>
+group_last( group2<T1,T2> const& x)
+{
+ return group1<T2> (x.a2_);
+}
+
+
+
+template <class T1,class T2,class T3>
+inline
+group2<T1,T2>
+group_head( group3<T1,T2,T3> const& x)
+{
+ return group2<T1,T2> (x.a1_,x.a2_);
+}
+
+template <class T1,class T2,class T3>
+inline
+group1<T3>
+group_last( group3<T1,T2,T3> const& x)
+{
+ return group1<T3> (x.a3_);
+}
+
+
+
+template <class T1,class T2,class T3,class T4>
+inline
+group3<T1,T2,T3>
+group_head( group4<T1,T2,T3,T4> const& x)
+{
+ return group3<T1,T2,T3> (x.a1_,x.a2_,x.a3_);
+}
+
+template <class T1,class T2,class T3,class T4>
+inline
+group1<T4>
+group_last( group4<T1,T2,T3,T4> const& x)
+{
+ return group1<T4> (x.a4_);
+}
+
+
+
+template <class T1,class T2,class T3,class T4,class T5>
+inline
+group4<T1,T2,T3,T4>
+group_head( group5<T1,T2,T3,T4,T5> const& x)
+{
+ return group4<T1,T2,T3,T4> (x.a1_,x.a2_,x.a3_,x.a4_);
+}
+
+template <class T1,class T2,class T3,class T4,class T5>
+inline
+group1<T5>
+group_last( group5<T1,T2,T3,T4,T5> const& x)
+{
+ return group1<T5> (x.a5_);
+}
+
+
+
+template <class T1,class T2,class T3,class T4,class T5,class T6>
+inline
+group5<T1,T2,T3,T4,T5>
+group_head( group6<T1,T2,T3,T4,T5,T6> const& x)
+{
+ return group5<T1,T2,T3,T4,T5> (x.a1_,x.a2_,x.a3_,x.a4_,x.a5_);
+}
+
+template <class T1,class T2,class T3,class T4,class T5,class T6>
+inline
+group1<T6>
+group_last( group6<T1,T2,T3,T4,T5,T6> const& x)
+{
+ return group1<T6> (x.a6_);
+}
+
+
+
+template <class T1,class T2,class T3,class T4,class T5,class T6,class T7>
+inline
+group6<T1,T2,T3,T4,T5,T6>
+group_head( group7<T1,T2,T3,T4,T5,T6,T7> const& x)
+{
+ return group6<T1,T2,T3,T4,T5,T6> (x.a1_,x.a2_,x.a3_,x.a4_,x.a5_,x.a6_);
+}
+
+template <class T1,class T2,class T3,class T4,class T5,class T6,class T7>
+inline
+group1<T7>
+group_last( group7<T1,T2,T3,T4,T5,T6,T7> const& x)
+{
+ return group1<T7> (x.a7_);
+}
+
+
+
+template <class T1,class T2,class T3,class T4,class T5,class T6,class T7,class T8>
+inline
+group7<T1,T2,T3,T4,T5,T6,T7>
+group_head( group8<T1,T2,T3,T4,T5,T6,T7,T8> const& x)
+{
+ return group7<T1,T2,T3,T4,T5,T6,T7> (x.a1_,x.a2_,x.a3_,x.a4_,x.a5_,x.a6_,x.a7_);
+}
+
+template <class T1,class T2,class T3,class T4,class T5,class T6,class T7,class T8>
+inline
+group1<T8>
+group_last( group8<T1,T2,T3,T4,T5,T6,T7,T8> const& x)
+{
+ return group1<T8> (x.a8_);
+}
+
+
+
+template <class T1,class T2,class T3,class T4,class T5,class T6,class T7,class T8,class T9>
+inline
+group8<T1,T2,T3,T4,T5,T6,T7,T8>
+group_head( group9<T1,T2,T3,T4,T5,T6,T7,T8,T9> const& x)
+{
+ return group8<T1,T2,T3,T4,T5,T6,T7,T8> (x.a1_,x.a2_,x.a3_,x.a4_,x.a5_,x.a6_,x.a7_,x.a8_);
+}
+
+template <class T1,class T2,class T3,class T4,class T5,class T6,class T7,class T8,class T9>
+inline
+group1<T9>
+group_last( group9<T1,T2,T3,T4,T5,T6,T7,T8,T9> const& x)
+{
+ return group1<T9> (x.a9_);
+}
+
+
+
+template <class T1,class T2,class T3,class T4,class T5,class T6,class T7,class T8,class T9,class T10>
+inline
+group9<T1,T2,T3,T4,T5,T6,T7,T8,T9>
+group_head( group10<T1,T2,T3,T4,T5,T6,T7,T8,T9,T10> const& x)
+{
+ return group9<T1,T2,T3,T4,T5,T6,T7,T8,T9> (x.a1_,x.a2_,x.a3_,x.a4_,x.a5_,x.a6_,x.a7_,x.a8_,x.a9_);
+}
+
+template <class T1,class T2,class T3,class T4,class T5,class T6,class T7,class T8,class T9,class T10>
+inline
+group1<T10>
+group_last( group10<T1,T2,T3,T4,T5,T6,T7,T8,T9,T10> const& x)
+{
+ return group1<T10> (x.a10_);
+}
+
+
+
+
+
+} // namespace detail
+
+
+
+// helper functions
+
+
+inline detail::group1< detail::group0 >
+group() { return detail::group1< detail::group0 > ( detail::group0() ); }
+
+template <class T1, class Var>
+inline
+detail::group1< detail::group2<T1, Var const&> >
+ group(T1 a1, Var const& var)
+{
+ return detail::group1< detail::group2<T1, Var const&> >
+ ( detail::group2<T1, Var const&>
+ (a1, var)
+ );
+}
+
+template <class T1,class T2, class Var>
+inline
+detail::group1< detail::group3<T1,T2, Var const&> >
+ group(T1 a1,T2 a2, Var const& var)
+{
+ return detail::group1< detail::group3<T1,T2, Var const&> >
+ ( detail::group3<T1,T2, Var const&>
+ (a1,a2, var)
+ );
+}
+
+template <class T1,class T2,class T3, class Var>
+inline
+detail::group1< detail::group4<T1,T2,T3, Var const&> >
+ group(T1 a1,T2 a2,T3 a3, Var const& var)
+{
+ return detail::group1< detail::group4<T1,T2,T3, Var const&> >
+ ( detail::group4<T1,T2,T3, Var const&>
+ (a1,a2,a3, var)
+ );
+}
+
+template <class T1,class T2,class T3,class T4, class Var>
+inline
+detail::group1< detail::group5<T1,T2,T3,T4, Var const&> >
+ group(T1 a1,T2 a2,T3 a3,T4 a4, Var const& var)
+{
+ return detail::group1< detail::group5<T1,T2,T3,T4, Var const&> >
+ ( detail::group5<T1,T2,T3,T4, Var const&>
+ (a1,a2,a3,a4, var)
+ );
+}
+
+template <class T1,class T2,class T3,class T4,class T5, class Var>
+inline
+detail::group1< detail::group6<T1,T2,T3,T4,T5, Var const&> >
+ group(T1 a1,T2 a2,T3 a3,T4 a4,T5 a5, Var const& var)
+{
+ return detail::group1< detail::group6<T1,T2,T3,T4,T5, Var const&> >
+ ( detail::group6<T1,T2,T3,T4,T5, Var const&>
+ (a1,a2,a3,a4,a5, var)
+ );
+}
+
+template <class T1,class T2,class T3,class T4,class T5,class T6, class Var>
+inline
+detail::group1< detail::group7<T1,T2,T3,T4,T5,T6, Var const&> >
+ group(T1 a1,T2 a2,T3 a3,T4 a4,T5 a5,T6 a6, Var const& var)
+{
+ return detail::group1< detail::group7<T1,T2,T3,T4,T5,T6, Var const&> >
+ ( detail::group7<T1,T2,T3,T4,T5,T6, Var const&>
+ (a1,a2,a3,a4,a5,a6, var)
+ );
+}
+
+template <class T1,class T2,class T3,class T4,class T5,class T6,class T7, class Var>
+inline
+detail::group1< detail::group8<T1,T2,T3,T4,T5,T6,T7, Var const&> >
+ group(T1 a1,T2 a2,T3 a3,T4 a4,T5 a5,T6 a6,T7 a7, Var const& var)
+{
+ return detail::group1< detail::group8<T1,T2,T3,T4,T5,T6,T7, Var const&> >
+ ( detail::group8<T1,T2,T3,T4,T5,T6,T7, Var const&>
+ (a1,a2,a3,a4,a5,a6,a7, var)
+ );
+}
+
+template <class T1,class T2,class T3,class T4,class T5,class T6,class T7,class T8, class Var>
+inline
+detail::group1< detail::group9<T1,T2,T3,T4,T5,T6,T7,T8, Var const&> >
+ group(T1 a1,T2 a2,T3 a3,T4 a4,T5 a5,T6 a6,T7 a7,T8 a8, Var const& var)
+{
+ return detail::group1< detail::group9<T1,T2,T3,T4,T5,T6,T7,T8, Var const&> >
+ ( detail::group9<T1,T2,T3,T4,T5,T6,T7,T8, Var const&>
+ (a1,a2,a3,a4,a5,a6,a7,a8, var)
+ );
+}
+
+template <class T1,class T2,class T3,class T4,class T5,class T6,class T7,class T8,class T9, class Var>
+inline
+detail::group1< detail::group10<T1,T2,T3,T4,T5,T6,T7,T8,T9, Var const&> >
+ group(T1 a1,T2 a2,T3 a3,T4 a4,T5 a5,T6 a6,T7 a7,T8 a8,T9 a9, Var const& var)
+{
+ return detail::group1< detail::group10<T1,T2,T3,T4,T5,T6,T7,T8,T9, Var const&> >
+ ( detail::group10<T1,T2,T3,T4,T5,T6,T7,T8,T9, Var const&>
+ (a1,a2,a3,a4,a5,a6,a7,a8,a9, var)
+ );
+}
+
+
+#ifdef BOOST_OVERLOAD_FOR_NON_CONST
+
+template <class T1, class Var>
+inline
+detail::group1< detail::group2<T1, Var&> >
+ group(T1 a1, Var& var)
+{
+ return detail::group1< detail::group2<T1, Var&> >
+ ( detail::group2<T1, Var&>
+ (a1, var)
+ );
+}
+
+template <class T1,class T2, class Var>
+inline
+detail::group1< detail::group3<T1,T2, Var&> >
+ group(T1 a1,T2 a2, Var& var)
+{
+ return detail::group1< detail::group3<T1,T2, Var&> >
+ ( detail::group3<T1,T2, Var&>
+ (a1,a2, var)
+ );
+}
+
+template <class T1,class T2,class T3, class Var>
+inline
+detail::group1< detail::group4<T1,T2,T3, Var&> >
+ group(T1 a1,T2 a2,T3 a3, Var& var)
+{
+ return detail::group1< detail::group4<T1,T2,T3, Var&> >
+ ( detail::group4<T1,T2,T3, Var&>
+ (a1,a2,a3, var)
+ );
+}
+
+template <class T1,class T2,class T3,class T4, class Var>
+inline
+detail::group1< detail::group5<T1,T2,T3,T4, Var&> >
+ group(T1 a1,T2 a2,T3 a3,T4 a4, Var& var)
+{
+ return detail::group1< detail::group5<T1,T2,T3,T4, Var&> >
+ ( detail::group5<T1,T2,T3,T4, Var&>
+ (a1,a2,a3,a4, var)
+ );
+}
+
+template <class T1,class T2,class T3,class T4,class T5, class Var>
+inline
+detail::group1< detail::group6<T1,T2,T3,T4,T5, Var&> >
+ group(T1 a1,T2 a2,T3 a3,T4 a4,T5 a5, Var& var)
+{
+ return detail::group1< detail::group6<T1,T2,T3,T4,T5, Var&> >
+ ( detail::group6<T1,T2,T3,T4,T5, Var&>
+ (a1,a2,a3,a4,a5, var)
+ );
+}
+
+template <class T1,class T2,class T3,class T4,class T5,class T6, class Var>
+inline
+detail::group1< detail::group7<T1,T2,T3,T4,T5,T6, Var&> >
+ group(T1 a1,T2 a2,T3 a3,T4 a4,T5 a5,T6 a6, Var& var)
+{
+ return detail::group1< detail::group7<T1,T2,T3,T4,T5,T6, Var&> >
+ ( detail::group7<T1,T2,T3,T4,T5,T6, Var&>
+ (a1,a2,a3,a4,a5,a6, var)
+ );
+}
+
+template <class T1,class T2,class T3,class T4,class T5,class T6,class T7, class Var>
+inline
+detail::group1< detail::group8<T1,T2,T3,T4,T5,T6,T7, Var&> >
+ group(T1 a1,T2 a2,T3 a3,T4 a4,T5 a5,T6 a6,T7 a7, Var& var)
+{
+ return detail::group1< detail::group8<T1,T2,T3,T4,T5,T6,T7, Var&> >
+ ( detail::group8<T1,T2,T3,T4,T5,T6,T7, Var&>
+ (a1,a2,a3,a4,a5,a6,a7, var)
+ );
+}
+
+template <class T1,class T2,class T3,class T4,class T5,class T6,class T7,class T8, class Var>
+inline
+detail::group1< detail::group9<T1,T2,T3,T4,T5,T6,T7,T8, Var&> >
+ group(T1 a1,T2 a2,T3 a3,T4 a4,T5 a5,T6 a6,T7 a7,T8 a8, Var& var)
+{
+ return detail::group1< detail::group9<T1,T2,T3,T4,T5,T6,T7,T8, Var&> >
+ ( detail::group9<T1,T2,T3,T4,T5,T6,T7,T8, Var&>
+ (a1,a2,a3,a4,a5,a6,a7,a8, var)
+ );
+}
+
+template <class T1,class T2,class T3,class T4,class T5,class T6,class T7,class T8,class T9, class Var>
+inline
+detail::group1< detail::group10<T1,T2,T3,T4,T5,T6,T7,T8,T9, Var&> >
+ group(T1 a1,T2 a2,T3 a3,T4 a4,T5 a5,T6 a6,T7 a7,T8 a8,T9 a9, Var& var)
+{
+ return detail::group1< detail::group10<T1,T2,T3,T4,T5,T6,T7,T8,T9, Var&> >
+ ( detail::group10<T1,T2,T3,T4,T5,T6,T7,T8,T9, Var&>
+ (a1,a2,a3,a4,a5,a6,a7,a8,a9, var)
+ );
+}
+
+
+#endif // from #ifdef BOOST_OVERLOAD_FOR_NON_CONST
+
+
+} // namespace io
+
+} // namespace boost
+
+
+#endif // BOOST_FORMAT_GROUP_HPP
--- /dev/null
+// -*- 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
+
+// ----------------------------------------------------------------------------
+// internals.hpp : internal structs. included by format.hpp
+// stream_format_state, and format_item
+// ----------------------------------------------------------------------------
+
+
+#ifndef BOOST_FORMAT_INTERNALS_HPP
+#define BOOST_FORMAT_INTERNALS_HPP
+
+
+#include <string>
+#include <ios>
+#include <sstream>
+
+namespace boost {
+namespace io {
+namespace detail {
+
+
+// --------------
+// set of params that define the format state of a stream
+
+template<class Ch, class Tr>
+struct stream_format_state
+{
+ typedef BOOST_IO_STD basic_ios<Ch, Tr> basic_ios;
+
+ std::streamsize width_;
+ std::streamsize precision_;
+ Ch fill_;
+ std::ios_base::fmtflags flags_;
+
+ stream_format_state() : width_(-1), precision_(-1), fill_(0), flags_(std::ios_base::dec) {}
+ stream_format_state(basic_ios& os) {set_by_stream(os); }
+
+ void apply_on(basic_ios & os) const; //- applies format_state to the stream
+ template<class T> void apply_manip(T manipulator) //- modifies state by applying manipulator.
+ { apply_manip_body<Ch, Tr, T>( *this, manipulator) ; }
+ void reset(); //- sets to default state.
+ void set_by_stream(const basic_ios& os); //- sets to os's state.
+};
+
+
+
+// --------------
+// format_item : stores all parameters that can be defined by directives in the format-string
+
+template<class Ch, class Tr>
+struct format_item
+{
+ enum pad_values { zeropad = 1, spacepad =2, centered=4, tabulation = 8 };
+
+ enum arg_values { argN_no_posit = -1, // non-positional directive. argN will be set later.
+ argN_tabulation = -2, // tabulation directive. (no argument read)
+ argN_ignored = -3 // ignored directive. (no argument read)
+ };
+ typedef BOOST_IO_STD basic_ios<Ch, Tr> basic_ios;
+ typedef detail::stream_format_state<Ch, Tr> stream_format_state;
+ typedef std::basic_string<Ch, Tr> string_t;
+ typedef BOOST_IO_STD basic_ostringstream<Ch, Tr> internal_stream_t;
+
+
+ int argN_; //- argument number (starts at 0, eg : %1 => argN=0)
+ // negative values are used for items that don't process
+ // an argument
+ string_t res_; //- result of the formatting of this item
+ string_t appendix_; //- piece of string between this item and the next
+
+ stream_format_state state_; // can be modified by manipulators
+ stream_format_state ref_state_;// set from the format_string, is only affected by modify_item
+
+ // non-stream format-state parameters
+ signed int truncate_; //- is >=0 for directives like %.5s (take 5 chars from the string)
+ unsigned int pad_scheme_; //- several possible padding schemes can mix. see pad_values
+
+ format_item() : argN_(argN_no_posit), truncate_(-1), pad_scheme_(0) {}
+
+ void compute_states(); // sets states according to truncate and pad_scheme.
+};
+
+
+
+// -----------------------------------------------------------
+// Definitions
+// -----------------------------------------------------------
+
+// --- stream_format_state:: -------------------------------------------
+template<class Ch, class Tr> inline
+void stream_format_state<Ch,Tr> ::apply_on(basic_ios & os) const
+ // set the state of this stream according to our params
+{
+ if(width_ != -1)
+ os.width(width_);
+ if(precision_ != -1)
+ os.precision(precision_);
+ if(fill_ != 0)
+ os.fill(fill_);
+ os.flags(flags_);
+}
+
+template<class Ch, class Tr> inline
+void stream_format_state<Ch,Tr> ::set_by_stream(const basic_ios& os)
+ // set our params according to the state of this stream
+{
+ flags_ = os.flags();
+ width_ = os.width();
+ precision_ = os.precision();
+ fill_ = os.fill();
+}
+
+template<class Ch, class Tr, class T> inline
+void apply_manip_body( stream_format_state<Ch, Tr>& self,
+ T manipulator)
+ // modify our params according to the manipulator
+{
+ BOOST_IO_STD basic_stringstream<Ch, Tr> ss;
+ self.apply_on( ss );
+ ss << manipulator;
+ self.set_by_stream( ss );
+}
+
+template<class Ch, class Tr> inline
+void stream_format_state<Ch,Tr> ::reset()
+ // set our params to standard's default state
+{
+ width_=-1; precision_=-1; fill_=0;
+ flags_ = std::ios_base::dec;
+}
+
+
+// --- format_items:: -------------------------------------------
+template<class Ch, class Tr> inline
+void format_item<Ch, Tr> ::compute_states()
+ // reflect pad_scheme_ on state_ and ref_state_
+ // because some apd_schemes has complex consequences on several state params.
+{
+ if(pad_scheme_ & zeropad)
+ {
+ if(ref_state_.flags_ & std::ios_base::left)
+ {
+ pad_scheme_ = pad_scheme_ & (~zeropad); // ignore zeropad in left alignment
+ }
+ else
+ {
+ ref_state_.fill_='0';
+ ref_state_.flags_ |= std::ios_base::internal;
+ }
+ }
+ state_ = ref_state_;
+}
+
+
+} } } // namespaces boost :: io :: detail
+
+
+#endif // BOOST_FORMAT_INTERNALS_HPP
--- /dev/null
+// -*- 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)
+
+// ------------------------------------------------------------------------------
+// internals_fwd.hpp : forward declarations, for internal headers
+// ------------------------------------------------------------------------------
+
+#ifndef BOOST_FORMAT_INTERNAL_FWD_HPP
+#define BOOST_FORMAT_INTERNAL_FWD_HPP
+
+#include "boost/format/format_fwd.hpp"
+#include "boost/config.hpp"
+
+
+namespace boost {
+namespace io {
+
+namespace detail {
+ template<class Ch, class Tr> struct stream_format_state;
+ template<class Ch, class Tr> struct format_item;
+}
+
+
+namespace detail {
+
+ // these functions were intended as methods,
+ // but MSVC have problems with template member functions :
+
+ // defined in format_implementation.hpp :
+ template<class Ch, class Tr, class T>
+ basic_format<Ch, Tr>& modify_item_body( basic_format<Ch, Tr>& self,
+ int itemN, const T& manipulator);
+
+ template<class Ch, class Tr, class T>
+ basic_format<Ch, Tr>& bind_arg_body( basic_format<Ch, Tr>& self,
+ int argN, const T& val);
+
+ template<class Ch, class Tr, class T>
+ void apply_manip_body( stream_format_state<Ch, Tr>& self,
+ T manipulator);
+
+ // argument feeding (defined in feed_args.hpp ) :
+ template<class Ch, class Tr, class T>
+ void distribute(basic_format<Ch,Tr>& self, T x);
+
+ template<class Ch, class Tr, class T>
+ basic_format<Ch, Tr>& feed(basic_format<Ch,Tr>& self, T x);
+
+} // namespace detail
+
+} // namespace io
+} // namespace boost
+
+
+#endif // BOOST_FORMAT_INTERNAL_FWD_HPP
--- /dev/null
+// -*- 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
+
+// ----------------------------------------------------------------------------
+// msvc_disambiguater.hpp : msvc workarounds. (for put_{head|last} overloads)
+// the trick was described in boost's list by Aleksey Gurtovoy
+// ----------------------------------------------------------------------------
+
+
+#ifndef BOOST_MSVC_DISAMBIGUATER_HPP
+#define BOOST_MSVC_DISAMBIGUATER_HPP
+
+#if defined(BOOST_MSVC) && BOOST_MSVC <= 1300 // this whole header is specifically for msvc
+
+#include "boost/format/group.hpp"
+#include <ostream>
+
+namespace boost {
+namespace io {
+namespace detail {
+
+template< class Ch, class Tr, class T >
+struct disambiguater
+{
+ template< typename U >
+ static void put_head(BOOST_IO_STD basic_ostream<Ch, Tr>& os, group1<U> const& x, long)
+ {
+ os << group_head(x.a1_);
+ }
+ static void put_head(BOOST_IO_STD basic_ostream<Ch, Tr>& os, T const& x, int)
+ {
+ }
+ template< typename U >
+ static void put_last(BOOST_IO_STD basic_ostream<Ch, Tr>& os, group1<U> const& x, long)
+ {
+ os << group_last(x.a1_);
+ }
+ static void put_last(BOOST_IO_STD basic_ostream<Ch, Tr>& os, T const& x, int)
+ {
+ os << x;
+ }
+};
+
+} // namespace detail
+} // namespace io
+} // namespace boost
+
+#endif // -BOOST_MSVC
+
+#endif // -BOOST_MSVC_DISAMBIGUATER_HPP
--- /dev/null
+// -*- 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)
+
+// ------------------------------------------------------------------------------
+// parsing.hpp : implementation of the parsing member functions
+// ( parse, parse_printf_directive)
+// ------------------------------------------------------------------------------
+
+
+#ifndef BOOST_FORMAT_PARSING_HPP
+#define BOOST_FORMAT_PARSING_HPP
+
+#ifdef BOOST_MSVC
+#ifdef isdigit
+#undef isdigit
+#endif
+#endif // MSVC workaround
+
+#include <locale>
+
+
+
+#include "boost/format/format_class.hpp"
+#include "boost/throw_exception.hpp"
+
+namespace boost {
+namespace io {
+namespace detail {
+
+ template<class Res, class Ch, class Tr> inline
+ Res str2int(const std::basic_string<Ch, Tr>& s,
+ typename std::basic_string<Ch, Tr>::size_type start,
+ BOOST_IO_STD basic_ios<Ch,Tr> &os,
+ const Res = Res(0) )
+ // Input : char string, with starting index
+ // a stream, so we can use its locale and call narrow.
+ // Effects : reads s[start:] and converts digits into an integral n, of type Res
+ // Returns : n
+ {
+ Res n = 0;
+ while(start<s.size() && std::isdigit(s[start], os.rdbuf()->getloc() ) ) {
+ char cur_ch = os.narrow( s[start], 0);
+ assert(cur_ch != 0 ); // since we called isdigit, this should not happen.
+ n *= 10;
+ n += cur_ch - '0'; // §22.2.1.1.2 of the C++ standard
+ ++start;
+ }
+ return n;
+ }
+
+ template<class Ch, class Tr>
+ void skip_asterisk(const std::basic_string<Ch,Tr> & buf,
+ typename std::basic_string<Ch,Tr>::size_type * pos_p,
+ BOOST_IO_STD basic_ios<Ch, Tr> &os)
+ // skip printf's "asterisk-fields" directives in the format-string buf
+ // Input : char string, with starting index *pos_p
+ // a stream, so we can use its locale and call narrow.
+ // Effects : advance *pos_p by skipping printf's asterisk fields.
+ // Returns : nothing
+ {
+ assert( pos_p);
+ if(*pos_p >= buf.size() ) return;
+ if(buf[ *pos_p]==os.widen('*')) {
+ ++ (*pos_p);
+ while (*pos_p < buf.size() && std::isdigit(buf[*pos_p],os.rdbuf()->getloc())) ++(*pos_p);
+ if(buf[*pos_p]==os.widen('$')) ++(*pos_p);
+ }
+ }
+
+
+ inline void maybe_throw_exception( unsigned char exceptions)
+ // auxiliary func called by parse_printf_directive
+ // for centralising error handling
+ // it either throws if user sets the corresponding flag, or does nothing.
+ {
+ if(exceptions & io::bad_format_string_bit)
+ boost::throw_exception(io::bad_format_string());
+ }
+
+
+
+ template<class Ch, class Tr>
+ bool parse_printf_directive(const std::basic_string<Ch, Tr> & buf,
+ typename std::basic_string<Ch, Tr>::size_type * pos_p,
+ detail::format_item<Ch, Tr> * fpar,
+ BOOST_IO_STD basic_ios<Ch,Tr> &os,
+ unsigned char exceptions)
+ // Input : a 'printf-directive' in the format-string, starting at buf[ *pos_p ]
+ // a stream merely to call 'widen' member function in the desired locale.
+ // a bitset'excpetions' telling whether to throw exceptions on errors.
+ // Returns : true if parse somehow succeded (possibly ignoring errors if exceptions disabled)
+ // false if it failed so bad that the directive should be printed verbatim
+ // Effects : - *pos_p is incremented so that buf[*pos_p] is the first char after the directive
+ // - *fpar is set with the parameters read in the directive
+ {
+ typedef format_item<Ch, Tr> format_item_t;
+ assert( pos_p);
+ typename std::basic_string<Ch, Tr>::size_type &i1 = *pos_p,
+ i0;
+ fpar->argN_ = format_item_t::argN_no_posit; // if no positional-directive
+
+ bool in_brackets=false;
+ if(buf[i1]==os.widen('|'))
+ {
+ in_brackets=true;
+ if( ++i1 >= buf.size() ) {
+ maybe_throw_exception(exceptions);
+ return false;
+ }
+ }
+
+ // the flag '0' would be picked as a digit for argument order, but here it's a flag :
+ if(buf[i1]==os.widen('0'))
+ goto parse_flags;
+
+ // handle argument order (%2$d) or possibly width specification: %2d
+ i0 = i1; // save position before digits
+ while (i1 < buf.size() && std::isdigit(buf[i1], os.rdbuf()->getloc()))
+ ++i1;
+ if (i1!=i0)
+ {
+ if( i1 >= buf.size() ) {
+ maybe_throw_exception(exceptions);
+ return false;
+ }
+ int n=str2int(buf,i0, os, int(0) );
+
+ // %N% case : this is already the end of the directive
+ if( buf[i1] == os.widen('%') )
+ {
+ fpar->argN_ = n-1;
+ ++i1;
+ if( in_brackets)
+ maybe_throw_exception(exceptions);
+ // but don't return. maybe "%" was used in lieu of '$', so we go on.
+ else return true;
+ }
+
+ if ( buf[i1]==os.widen('$') )
+ {
+ fpar->argN_ = n-1;
+ ++i1;
+ }
+ else
+ {
+ // non-positionnal directive
+ fpar->ref_state_.width_ = n;
+ fpar->argN_ = format_item_t::argN_no_posit;
+ goto parse_precision;
+ }
+ }
+
+ parse_flags:
+ // handle flags
+ while ( i1 <buf.size()) // as long as char is one of + - = # 0 l h or ' '
+ {
+ // misc switches
+ switch (os.narrow(buf[i1], 0))
+ {
+ case '\'' : break; // no effect yet. (painful to implement)
+ case 'l':
+ case 'h': // short/long modifier : for printf-comaptibility (no action needed)
+ break;
+ case '-':
+ fpar->ref_state_.flags_ |= std::ios_base::left;
+ break;
+ case '=':
+ fpar->pad_scheme_ |= format_item_t::centered;
+ break;
+ case ' ':
+ fpar->pad_scheme_ |= format_item_t::spacepad;
+ break;
+ case '+':
+ fpar->ref_state_.flags_ |= std::ios_base::showpos;
+ break;
+ case '0':
+ fpar->pad_scheme_ |= format_item_t::zeropad;
+ // need to know alignment before really setting flags,
+ // so just add 'zeropad' flag for now, it will be processed later.
+ break;
+ case '#':
+ fpar->ref_state_.flags_ |= std::ios_base::showpoint | std::ios_base::showbase;
+ break;
+ default:
+ goto parse_width;
+ }
+ ++i1;
+ } // loop on flag.
+ if( i1>=buf.size()) {
+ maybe_throw_exception(exceptions);
+ return true;
+ }
+
+ parse_width:
+ // handle width spec
+ skip_asterisk(buf, &i1, os); // skips 'asterisk fields' : *, or *N$
+ i0 = i1; // save position before digits
+ while (i1<buf.size() && std::isdigit(buf[i1], os.rdbuf()->getloc()))
+ i1++;
+
+ if (i1!=i0)
+ { fpar->ref_state_.width_ = str2int( buf,i0, os, std::streamsize(0) ); }
+
+ parse_precision:
+ if( i1>=buf.size()) {
+ maybe_throw_exception(exceptions);
+ return true;
+ }
+ // handle precision spec
+ if (buf[i1]==os.widen('.'))
+ {
+ ++i1;
+ skip_asterisk(buf, &i1, os);
+ i0 = i1; // save position before digits
+ while (i1<buf.size() && std::isdigit(buf[i1], os.rdbuf()->getloc()))
+ ++i1;
+
+ if(i1==i0)
+ fpar->ref_state_.precision_ = 0;
+ else
+ fpar->ref_state_.precision_ = str2int(buf,i0, os, std::streamsize(0) );
+ }
+
+ // handle formatting-type flags :
+ while( i1<buf.size() &&
+ ( buf[i1]==os.widen('l') || buf[i1]==os.widen('L') || buf[i1]==os.widen('h')) )
+ ++i1;
+ if( i1>=buf.size()) {
+ maybe_throw_exception(exceptions);
+ return true;
+ }
+
+ if( in_brackets && buf[i1]==os.widen('|') )
+ {
+ ++i1;
+ return true;
+ }
+ switch (os.narrow(buf[i1], 0) )
+ {
+ case 'X':
+ fpar->ref_state_.flags_ |= std::ios_base::uppercase;
+ case 'p': // pointer => set hex.
+ case 'x':
+ fpar->ref_state_.flags_ &= ~std::ios_base::basefield;
+ fpar->ref_state_.flags_ |= std::ios_base::hex;
+ break;
+
+ case 'o':
+ fpar->ref_state_.flags_ &= ~std::ios_base::basefield;
+ fpar->ref_state_.flags_ |= std::ios_base::oct;
+ break;
+
+ case 'E':
+ fpar->ref_state_.flags_ |= std::ios_base::uppercase;
+ case 'e':
+ fpar->ref_state_.flags_ &= ~std::ios_base::floatfield;
+ fpar->ref_state_.flags_ |= std::ios_base::scientific;
+
+ fpar->ref_state_.flags_ &= ~std::ios_base::basefield;
+ fpar->ref_state_.flags_ |= std::ios_base::dec;
+ break;
+
+ case 'f':
+ fpar->ref_state_.flags_ &= ~std::ios_base::floatfield;
+ fpar->ref_state_.flags_ |= std::ios_base::fixed;
+ case 'u':
+ case 'd':
+ case 'i':
+ fpar->ref_state_.flags_ &= ~std::ios_base::basefield;
+ fpar->ref_state_.flags_ |= std::ios_base::dec;
+ break;
+
+ case 'T':
+ ++i1;
+ if( i1 >= buf.size())
+ maybe_throw_exception(exceptions);
+ else
+ fpar->ref_state_.fill_ = buf[i1];
+ fpar->pad_scheme_ |= format_item_t::tabulation;
+ fpar->argN_ = format_item_t::argN_tabulation;
+ break;
+ case 't':
+ fpar->ref_state_.fill_ = os.widen(' ');
+ fpar->pad_scheme_ |= format_item_t::tabulation;
+ fpar->argN_ = format_item_t::argN_tabulation;
+ break;
+
+ case 'G':
+ fpar->ref_state_.flags_ |= std::ios_base::uppercase;
+ break;
+ case 'g': // 'g' conversion is default for floats.
+ fpar->ref_state_.flags_ &= ~std::ios_base::basefield;
+ fpar->ref_state_.flags_ |= std::ios_base::dec;
+
+ // CLEAR all floatield flags, so stream will CHOOSE
+ fpar->ref_state_.flags_ &= ~std::ios_base::floatfield;
+ break;
+
+ case 'C':
+ case 'c':
+ fpar->truncate_ = 1;
+ break;
+ case 'S':
+ case 's':
+ fpar->truncate_ = fpar->ref_state_.precision_;
+ fpar->ref_state_.precision_ = -1;
+ break;
+ case 'n' :
+ fpar->argN_ = format_item_t::argN_ignored;
+ break;
+ default:
+ maybe_throw_exception(exceptions);
+ }
+ ++i1;
+
+ if( in_brackets )
+ {
+ if( i1<buf.size() && buf[i1]==os.widen('|') )
+ {
+ ++i1;
+ return true;
+ }
+ else maybe_throw_exception(exceptions);
+ }
+ return true;
+ }
+
+} // detail namespace
+} // io namespace
+
+
+// -----------------------------------------------
+// format :: parse(..)
+
+template<class Ch, class Traits>
+void basic_format<Ch, Traits> ::parse(const string_t & buf)
+ // parse the format-string
+{
+ using namespace std;
+ const Ch arg_mark = oss_.widen('%');
+ bool ordered_args=true;
+ int max_argN=-1;
+ typename string_t::size_type i1=0;
+ int num_items=0;
+
+ // A: find upper_bound on num_items and allocates arrays
+ i1=0;
+ while( (i1=buf.find(arg_mark,i1)) != string::npos )
+ {
+ if( i1+1 >= buf.size() ) {
+ if(exceptions() & io::bad_format_string_bit)
+ boost::throw_exception(io::bad_format_string()); // must not end in "bla bla %"
+ else break; // stop there, ignore last '%'
+ }
+ if(buf[i1+1] == buf[i1] ) { i1+=2; continue; } // escaped "%%" / "##"
+ ++i1;
+
+ // in case of %N% directives, dont count it double (wastes allocations..) :
+ while(i1 < buf.size() && std::isdigit(buf[i1],oss_.rdbuf()->getloc())) ++i1;
+ if( i1 < buf.size() && buf[i1] == arg_mark ) ++ i1;
+
+ ++num_items;
+ }
+ items_.assign( num_items, format_item_t() );
+
+ // B: Now the real parsing of the format string :
+ num_items=0;
+ i1 = 0;
+ typename string_t::size_type i0 = i1;
+ bool special_things=false;
+ int cur_it=0;
+ while( (i1=buf.find(arg_mark,i1)) != string::npos )
+ {
+ string_t & piece = (cur_it==0) ? prefix_ : items_[cur_it-1].appendix_;
+
+ if( buf[i1+1] == buf[i1] ) // escaped mark, '%%'
+ {
+ piece += buf.substr(i0, i1-i0) + buf[i1];
+ i1+=2; i0=i1;
+ continue;
+ }
+ assert( static_cast<unsigned int>(cur_it) < items_.size() || cur_it==0);
+
+ if(i1!=i0) piece += buf.substr(i0, i1-i0);
+ ++i1;
+
+ bool parse_ok;
+ parse_ok = io::detail::parse_printf_directive(buf, &i1, &items_[cur_it], oss_, exceptions());
+ if( ! parse_ok ) continue; // the directive will be printed verbatim
+
+ i0=i1;
+ items_[cur_it].compute_states();
+ int argN=items_[cur_it].argN_;
+ if(argN == format_item_t::argN_ignored)
+ continue;
+ if(argN ==format_item_t::argN_no_posit)
+ ordered_args=false;
+ else if(argN == format_item_t::argN_tabulation) special_things=true;
+ else if(argN > max_argN) max_argN = argN;
+ ++num_items;
+ ++cur_it;
+ } // loop on %'s
+ assert(cur_it == num_items);
+
+ // store the final piece of string
+ string_t & piece = (cur_it==0) ? prefix_ : items_[cur_it-1].appendix_;
+ piece += buf.substr(i0);
+
+ if( !ordered_args)
+ {
+ if(max_argN >= 0 ) // dont mix positional with non-positionnal directives
+ {
+ if(exceptions() & io::bad_format_string_bit)
+ boost::throw_exception(io::bad_format_string());
+ // else do nothing. => positionnal arguments are processed as non-positionnal
+ }
+ // set things like it would have been with positional directives :
+ int non_ordered_items = 0;
+ for(int i=0; i< num_items; ++i)
+ if(items_[i].argN_ == format_item_t::argN_no_posit)
+ {
+ items_[i].argN_ = non_ordered_items;
+ ++non_ordered_items;
+ }
+ max_argN = non_ordered_items-1;
+ }
+
+ // C: set some member data :
+ items_.resize(num_items);
+
+ if(special_things) style_ |= special_needs;
+ num_args_ = max_argN + 1;
+ if(ordered_args) style_ |= ordered;
+ else style_ &= ~ordered;
+}
+
+} // namespace boost
+
+
+#endif // BOOST_FORMAT_PARSING_HPP
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