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Diffstat (limited to 'src/boost/format/format_implementation.cc')
-rw-r--r-- | src/boost/format/format_implementation.cc | 256 |
1 files changed, 0 insertions, 256 deletions
diff --git a/src/boost/format/format_implementation.cc b/src/boost/format/format_implementation.cc deleted file mode 100644 index aa191afe1..000000000 --- a/src/boost/format/format_implementation.cc +++ /dev/null @@ -1,256 +0,0 @@ -// -*- 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.hpp> - -namespace boost { - -// -------- format:: ------------------------------------------- -basic_format::basic_format(const char* 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 -basic_format::basic_format(const char* 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 ); -} - -basic_format::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 - -basic_format::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); -} - -basic_format:: 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_); -} - -basic_format& basic_format::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; -} - - -unsigned char basic_format::exceptions() const -{ - return exceptions_; -} - -unsigned char basic_format::exceptions(unsigned char newexcept) -{ - unsigned char swp = exceptions_; - exceptions_ = newexcept; - return swp; -} - - -basic_format& basic_format ::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; -} - -basic_format& basic_format ::clear_binds() - // cancel all bindings, and clear() -{ - bound_.resize(0); - clear(); - return *this; -} - -basic_format& basic_format::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; -} - - - -std::string basic_format::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 T> -basic_format& bind_arg_body( basic_format& 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 T> -basic_format& modify_item_body( basic_format& 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 |