Use boost::format from the boost package

Note that this only requires headers from boost so it doesn't add a
runtime dependency.

Also, use Nixpkgs 18.03.

1 files changed, 0 insertions, 454 deletions

diff --git a/src/boost/format/parsing.cc b/src/boost/format/parsing.cc
deleted file mode 100644
index 34c36adeb734..000000000000
--- a/src/boost/format/parsing.cc
+++ /dev/null
@@ -1,454 +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 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.hpp>
-#include <boost/throw_exception.hpp>
-#include <boost/assert.hpp>
-
-
-namespace boost {
-namespace io {
-namespace detail {
-
-  template<class Stream> inline
-  bool wrap_isdigit(char 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> inline
-  Res str2int(const std::string& s, 
-              std::string::size_type start, 
-              BOOST_IO_STD ios &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 = s[start];
-      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;
-  }
-
-  void skip_asterisk(const std::string & buf, 
-                     std::string::size_type * pos_p,
-                     BOOST_IO_STD ios &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]=='*') {
-      ++ (*pos_p);
-      while (*pos_p < buf.size() && wrap_isdigit(buf[*pos_p],os)) ++(*pos_p);
-      if(buf[*pos_p]=='$') ++(*pos_p);
-    }
-  }
-
-
-  inline void maybe_throw_exception( unsigned char exceptions)
-    // auxiliary func called by parse_printf_directive
-    // for centralising error handling
-    // it either throws if user sets the corresponding flag, or does nothing.
-  {
-    if(exceptions & io::bad_format_string_bit)
-          boost::throw_exception(io::bad_format_string());
-  }
-    
-
-
-  bool parse_printf_directive(const std::string & buf,
-                              std::string::size_type * pos_p,
-                              detail::format_item * fpar,
-                              BOOST_IO_STD ios &os,
-                              unsigned char exceptions)
-    // Input   : a 'printf-directive' in the format-string, starting at buf[ *pos_p ]
-    //           a basic_ios& merely to call its widen/narrow member function in the desired locale.
-    //           a bitset'excpetions' telling whether to throw exceptions on errors.
-    // Returns : true if parse somehow succeeded (possibly ignoring errors if exceptions disabled) 
-    //           false if it failed so bad that the directive should be printed verbatim
-    // Effects : - *pos_p is incremented so that buf[*pos_p] is the first char after the directive
-    //           - *fpar is set with the parameters read in the directive
-  {
-    typedef format_item  format_item_t;
-    BOOST_ASSERT( pos_p != 0);
-    std::string::size_type       &i1 = *pos_p,      
-                                                        i0; 
-    fpar->argN_ = format_item_t::argN_no_posit;  // if no positional-directive
-
-    bool in_brackets=false;
-    if(buf[i1]=='|')
-      {
-        in_brackets=true;
-        if( ++i1 >= buf.size() ) {
-          maybe_throw_exception(exceptions);
-          return false;
-        }
-      }
-
-    // the flag '0' would be picked as a digit for argument order, but here it's a flag :
-    if(buf[i1]=='0') 
-      goto parse_flags;
-
-    // handle argument order (%2$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] == '%' ) 
-          {
-            fpar->argN_ = n-1;
-            ++i1;
-            if( in_brackets) 
-              maybe_throw_exception(exceptions); 
-              // but don't return.  maybe "%" was used in lieu of '$', so we go on.
-            else return true;
-          }
-
-        if ( buf[i1]=='$' ) 
-          {
-            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 (buf[i1]) 
-          {
-          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::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::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::showpoint | std::ios::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]=='.')  
-      {
-        ++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]=='l' || buf[i1]=='L' || buf[i1]=='h') )
-      ++i1;
-    if( i1>=buf.size()) {
-      maybe_throw_exception(exceptions);
-      return true;
-    }
-    
-    if( in_brackets && buf[i1]=='|' ) 
-      {
-        ++i1;
-        return true;
-      }
-    switch (buf[i1])  
-      {
-      case 'X':
-        fpar->ref_state_.flags_ |= std::ios::uppercase;
-      case 'p': // pointer => set hex.
-      case 'x':
-        fpar->ref_state_.flags_ &= ~std::ios::basefield;
-        fpar->ref_state_.flags_ |= std::ios::hex;
-        break;
-      
-      case 'o':
-        fpar->ref_state_.flags_ &= ~std::ios::basefield;
-        fpar->ref_state_.flags_ |=  std::ios::oct;
-        break;
-
-      case 'E':
-        fpar->ref_state_.flags_ |=  std::ios::uppercase;
-      case 'e':
-        fpar->ref_state_.flags_ &= ~std::ios::floatfield;
-        fpar->ref_state_.flags_ |=  std::ios::scientific;
-
-        fpar->ref_state_.flags_ &= ~std::ios::basefield;
-        fpar->ref_state_.flags_ |=  std::ios::dec;
-        break;
-      
-      case 'f':
-        fpar->ref_state_.flags_ &= ~std::ios::floatfield;
-        fpar->ref_state_.flags_ |=  std::ios::fixed;
-      case 'u':
-      case 'd':
-      case 'i':
-        fpar->ref_state_.flags_ &= ~std::ios::basefield;
-        fpar->ref_state_.flags_ |=  std::ios::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_ = ' ';
-        fpar->pad_scheme_ |= format_item_t::tabulation;
-        fpar->argN_ = format_item_t::argN_tabulation; 
-        break;
-
-      case 'G':
-        fpar->ref_state_.flags_ |= std::ios::uppercase;
-        break;
-      case 'g': // 'g' conversion is default for floats.
-        fpar->ref_state_.flags_ &= ~std::ios::basefield;
-        fpar->ref_state_.flags_ |=  std::ios::dec;
-
-        // CLEAR all floatield flags, so stream will CHOOSE
-        fpar->ref_state_.flags_ &= ~std::ios::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]=='|' ) 
-          {
-            ++i1;
-            return true;
-          }
-        else  maybe_throw_exception(exceptions);
-      }
-    return true;
-  }
-
-} // detail namespace
-} // io namespace
-
-
-// -----------------------------------------------
-//  format :: parse(..)
-
-void basic_format::parse(const string_t & buf) 
-  // parse the format-string
-{
-    using namespace std;
-    const char arg_mark = '%';
-    bool ordered_args=true; 
-    int max_argN=-1;
-    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;
-    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