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* Added the Boost format library which provides a safe printf

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replacement.
This commit is contained in:
Eelco Dolstra 2003-06-27 13:41:42 +00:00
parent d4c3edfaba
commit bb03c45ca0
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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
// ----------------------------------------------------------------------------
// format.hpp : primary header
// ----------------------------------------------------------------------------
#ifndef BOOST_FORMAT_HPP
#define BOOST_FORMAT_HPP
#include <vector>
#include <string>
#include <sstream>
#include <cassert>
#include <locale>
#include <boost/format/macros_default.hpp>
namespace boost
{
template<class E> void throw_exception(E const & e)
{
throw e;
}
}
#define BOOST_ASSERT(expr) assert(expr)
// **** 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>
#endif // BOOST_FORMAT_HPP

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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)
// ------------------------------------------------------------------------------
// 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

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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
// ----------------------------------------------------------------------------
// 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/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;
os.str(emptyStr);
}
template<class Ch, class Tr>
void do_pad( std::basic_string<Ch,Tr> & s,
std::streamsize w,
const Ch c,
std::ios_base::fmtflags f,
bool center)
// applies centered / left / right padding to the string s.
// Effects : string s is padded.
{
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_pad(..)
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
}
#ifndef BOOST_NO_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
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_stepped_padding = internal
&& ! ( specs.pad_scheme_ & format_item_t::spacepad )
&& specs.truncate_ < 0 ;
if(! two_stepped_padding)
{
if(w>0) // handle simple padding via do_pad, not natively in stream
oss_.width(0);
put_last( oss_, x);
res = oss_.str();
if (specs.truncate_ >= 0)
res.erase(specs.truncate_);
// complex pads :
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(w > 0) // need do_pad
{
do_pad(res,w,oss_.fill(), fl, (specs.pad_scheme_ & format_item_t::centered) !=0 );
}
}
else // 2-stepped padding
{
put_last( oss_, x); // oss_.width() may result in padding.
res = oss_.str();
if (specs.truncate_ >= 0)
res.erase(specs.truncate_);
if( res.size() - w > 0)
{ // length w exceeded
// either it was multi-output with first output padding up all width..
// either it was one big arg and we are fine.
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 )
{
// minimal length is already >= w, so no padding (cool!)
res.swap(tmp);
}
else
{ // hum.. we need to pad (it was necessarily multi-output)
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());
res.swap( tmp );
}
}
else
{ // okay, only one thing was printed and padded, so res is fine.
}
}
prev_state.apply_on(oss_);
empty_buf( oss_);
oss_.clear();
} // end- put(..)
} // 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

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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)
// ------------------------------------------------------------------------------
// format_class.hpp : class interface
// ------------------------------------------------------------------------------
#ifndef BOOST_FORMAT_CLASS_HPP
#define BOOST_FORMAT_CLASS_HPP
#include <vector>
#include <string>
#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
{
public:
typedef Ch CharT; // those 2 are necessary for borland compatibilty,
typedef Tr Traits; // in the body of the operator% template.
typedef std::basic_string<Ch, Tr> string_t;
typedef BOOST_IO_STD basic_ostringstream<Ch, Tr> internal_stream_t;
private:
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:
basic_format(const Ch* str);
basic_format(const string_t& s);
#ifndef BOOST_NO_STD_LOCALE
basic_format(const Ch* str, const std::locale & loc);
basic_format(const string_t& s, const std::locale & loc);
#endif // no locale
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<CharT, Traits, const T&>(*this,x);
}
#ifndef BOOST_NO_OVERLOAD_FOR_NON_CONST
template<class T> basic_format& operator%(T& x)
{
return io::detail::feed<CharT, Traits, 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>&
operator<< <Ch, Tr> ( BOOST_IO_STD basic_ostream<Ch, Tr>& , const basic_format& );
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:
// 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

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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)
// ------------------------------------------------------------------------------
// format_fwd.hpp : forward declarations, for primary header format.hpp
// ------------------------------------------------------------------------------
#ifndef BOOST_FORMAT_FWD_HPP
#define BOOST_FORMAT_FWD_HPP
#include <string>
#include <iosfwd>
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_WSTREAMBUF)
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

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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
// ----------------------------------------------------------------------------
// format_implementation.hpp Implementation of the basic_format class
// ----------------------------------------------------------------------------
#ifndef BOOST_FORMAT_IMPLEMENTATION_HPP
#define BOOST_FORMAT_IMPLEMENTATION_HPP
//#include <boost/throw_exception.hpp>
//#include <boost/assert.hpp>
#include <boost/format/format_class.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 );
}
#ifndef BOOST_NO_STD_LOCALE
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, 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);
}
#endif //BOOST_NO_STD_LOCALE
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 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
{
BOOST_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() & io::out_of_range_bit )
boost::throw_exception(io::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)
{
BOOST_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() & io::out_of_range_bit )
boost::throw_exception(io::out_of_range()); // arg not in range.
else return self;
}
if(self.bound_.size()==0)
self.bound_.assign(self.num_args_,false);
else
BOOST_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 :
BOOST_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() & io::out_of_range_bit )
boost::throw_exception(io::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

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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/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

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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
// ----------------------------------------------------------------------------
// 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
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)
);
}
#ifndef BOOST_NO_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 //end- #ifndef BOOST_NO_OVERLOAD_FOR_NON_CONST
} // namespace io
} // namespace boost
#endif // BOOST_FORMAT_GROUP_HPP

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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
// ----------------------------------------------------------------------------
// 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 <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 ref_state_;// set by parsing the format_string, is only affected by modify_item
stream_format_state state_; // always same as ref_state, _unless_ modified by manipulators 'group(..)'
// 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 pad_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

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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)
// ------------------------------------------------------------------------------
// 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"
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

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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)
// ------------------------------------------------------------------------------
// macros_default.hpp : configuration for the format library
// provides default values for the stl workaround macros
// ------------------------------------------------------------------------------
#ifndef BOOST_FORMAT_MACROS_DEFAULT_HPP
#define BOOST_FORMAT_MACROS_DEFAULT_HPP
// *** 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_MACROS_DEFAULT_HPP

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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 Rudiger 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
#include <boost/format/format_class.hpp>
//#include <boost/throw_exception.hpp>
//#include <boost/assert.hpp>
namespace boost {
namespace io {
namespace detail {
template<class Ch, class Stream> inline
bool wrap_isdigit(Ch c, Stream &os)
{
#ifndef BOOST_NO_LOCALE_ISIDIGIT
return std::isdigit(c, os.rdbuf()->getloc() );
# else
using namespace std;
return isdigit(c);
#endif
} //end- wrap_isdigit(..)
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 basic_ios& merely to call its widen/narrow member function in the desired locale.
// Effects : reads s[start:] and converts digits into an integral n, of type Res
// Returns : n
{
Res n = 0;
while(start<s.size() && wrap_isdigit(s[start], os) ) {
char cur_ch = os.narrow( s[start], 0);
BOOST_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 basic_ios& merely to call its widen/narrow member function in the desired locale.
// Effects : advance *pos_p by skipping printf's asterisk fields.
// Returns : nothing
{
using namespace std;
BOOST_ASSERT( pos_p != 0);
if(*pos_p >= buf.size() ) return;
if(buf[ *pos_p]==os.widen('*')) {
++ (*pos_p);
while (*pos_p < buf.size() && wrap_isdigit(buf[*pos_p],os)) ++(*pos_p);
if(buf[*pos_p]==os.widen('$')) ++(*pos_p);
}
}
inline void maybe_throw_exception( unsigned char exceptions)
// auxiliary func called by parse_printf_directive
// for centralising error handling
// it either throws if user sets the corresponding flag, or does nothing.
{
if(exceptions & io::bad_format_string_bit)
boost::throw_exception(io::bad_format_string());
}
template<class Ch, class Tr>
bool parse_printf_directive(const std::basic_string<Ch, Tr> & buf,
typename std::basic_string<Ch, Tr>::size_type * pos_p,
detail::format_item<Ch, Tr> * fpar,
BOOST_IO_STD basic_ios<Ch,Tr> &os,
unsigned char exceptions)
// Input : a 'printf-directive' in the format-string, starting at buf[ *pos_p ]
// a basic_ios& merely to call its widen/narrow member function in the desired locale.
// a bitset'excpetions' telling whether to throw exceptions on errors.
// Returns : true if parse somehow succeeded (possibly ignoring errors if exceptions disabled)
// false if it failed so bad that the directive should be printed verbatim
// Effects : - *pos_p is incremented so that buf[*pos_p] is the first char after the directive
// - *fpar is set with the parameters read in the directive
{
typedef format_item<Ch, Tr> format_item_t;
BOOST_ASSERT( pos_p != 0);
typename std::basic_string<Ch, Tr>::size_type &i1 = *pos_p,
i0;
fpar->argN_ = format_item_t::argN_no_posit; // if no positional-directive
bool in_brackets=false;
if(buf[i1]==os.widen('|'))
{
in_brackets=true;
if( ++i1 >= buf.size() ) {
maybe_throw_exception(exceptions);
return false;
}
}
// the flag '0' would be picked as a digit for argument order, but here it's a flag :
if(buf[i1]==os.widen('0'))
goto parse_flags;
// handle argument order (%2$d) or possibly width specification: %2d
i0 = i1; // save position before digits
while (i1 < buf.size() && wrap_isdigit(buf[i1], os))
++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() && wrap_isdigit(buf[i1], os))
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() && wrap_isdigit(buf[i1], os))
++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() && io::detail::wrap_isdigit(buf[i1],oss_)) ++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;
}
BOOST_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(); // process complex options, like zeropad, into stream params.
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
BOOST_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