| 1 | // Copyright (C) 2007 Timothy Brownawell <tbrownaw@gmail.com>␊ |
| 2 | //␊ |
| 3 | // This program is made available under the GNU GPL version 2.0 or␊ |
| 4 | // greater. See the accompanying file COPYING for details.␊ |
| 5 | //␊ |
| 6 | // This program is distributed WITHOUT ANY WARRANTY; without even the␊ |
| 7 | // implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR␊ |
| 8 | // PURPOSE.␊ |
| 9 | ␊ |
| 10 | ␊ |
| 11 | #include "base.hh"␊ |
| 12 | #include "lexical_cast.hh"␊ |
| 13 | ␊ |
| 14 | template<>␊ |
| 15 | std::string boost::lexical_cast<std::string, unsigned int>(unsigned int const & _i)␊ |
| 16 | {␊ |
| 17 | unsigned int i = _i;␊ |
| 18 | if (!i)␊ |
| 19 | return std::string("0");␊ |
| 20 | ␊ |
| 21 | unsigned int const maxlen = sizeof(unsigned int) * 3;␊ |
| 22 | char buf[1+maxlen];␊ |
| 23 | buf[maxlen] = '\0';␊ |
| 24 | ␊ |
| 25 | unsigned int pos = maxlen;␊ |
| 26 | ␊ |
| 27 | while (i && pos <= maxlen)␊ |
| 28 | {␊ |
| 29 | --pos;␊ |
| 30 | buf[pos] = ('0' + (i%10));␊ |
| 31 | i /= 10;␊ |
| 32 | }␊ |
| 33 | return std::string(buf+pos);␊ |
| 34 | }␊ |
| 35 | ␊ |
| 36 | template<>␊ |
| 37 | unsigned int boost::lexical_cast<unsigned int, std::string>(std::string const & s)␊ |
| 38 | {␊ |
| 39 | unsigned int out = 0;␊ |
| 40 | std::string::const_iterator i;␊ |
| 41 | for (i = s.begin(); i != s.end() && (unsigned int)(*i - '0') < 10; ++i)␊ |
| 42 | {␊ |
| 43 | out = out*10 + (*i - '0');␊ |
| 44 | }␊ |
| 45 | if (i != s.end())␊ |
| 46 | throw boost::bad_lexical_cast();␊ |
| 47 | return out;␊ |
| 48 | }␊ |
| 49 | ␊ |
| 50 | // Local Variables:␊ |
| 51 | // mode: C++␊ |
| 52 | // fill-column: 76␊ |
| 53 | // c-file-style: "gnu"␊ |
| 54 | // indent-tabs-mode: nil␊ |
| 55 | // End:␊ |
| 56 | // vim: et:sw=2:sts=2:ts=2:cino=>2s,{s,\:s,+s,t0,g0,^-2,e-2,n-2,p2s,(0,=s:␊ |
