73 lines
2.2 KiB
C++
73 lines
2.2 KiB
C++
|
// ----------------------------------------------------------------------------
|
||
|
|
// Copyright (C) 2002-2005 Marcin Kalicinski
|
||
|
|
//
|
||
|
|
// Distributed under the Boost Software License, Version 1.0.
|
||
|
|
// (See accompanying file LICENSE_1_0.txt or copy at
|
||
|
|
// http://www.boost.org/LICENSE_1_0.txt)
|
||
|
|
//
|
||
|
|
// For more information, see www.boost.org
|
||
|
|
// ----------------------------------------------------------------------------
|
||
|
|
#ifndef BOOST_PROPERTY_TREE_DETAIL_PTREE_UTILS_HPP_INCLUDED
|
||
|
|
#define BOOST_PROPERTY_TREE_DETAIL_PTREE_UTILS_HPP_INCLUDED
|
||
|
|
|
||
|
|
#include <boost/property_tree/ptree.hpp>
|
||
|
|
#include <string>
|
||
|
|
#include <locale>
|
||
|
|
|
||
|
|
namespace boost { namespace property_tree { namespace detail
|
||
|
|
{
|
||
|
|
|
||
|
|
// Naively convert narrow string to another character type
|
||
|
|
template<class Ch>
|
||
|
|
std::basic_string<Ch> widen(const char *text)
|
||
|
|
{
|
||
|
|
std::locale loc;
|
||
|
|
std::basic_string<Ch> result;
|
||
|
|
while (*text)
|
||
|
|
{
|
||
|
|
result += Ch(*text);
|
||
|
|
++text;
|
||
|
|
}
|
||
|
|
return result;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Naively convert string to narrow character type
|
||
|
|
template<class Ch>
|
||
|
|
std::string narrow(const Ch *text)
|
||
|
|
{
|
||
|
|
std::locale loc;
|
||
|
|
std::string result;
|
||
|
|
while (*text)
|
||
|
|
{
|
||
|
|
if (*text < 0 || *text > (std::numeric_limits<char>::max)())
|
||
|
|
result += '*';
|
||
|
|
else
|
||
|
|
result += char(*text);
|
||
|
|
++text;
|
||
|
|
}
|
||
|
|
return result;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Remove trailing and leading spaces
|
||
|
|
template<class Ch>
|
||
|
|
std::basic_string<Ch> trim(const std::basic_string<Ch> &s,
|
||
|
|
const std::locale &loc = std::locale())
|
||
|
|
{
|
||
|
|
typename std::basic_string<Ch>::const_iterator first = s.begin();
|
||
|
|
typename std::basic_string<Ch>::const_iterator end = s.end();
|
||
|
|
while (first != end && std::isspace(*first, loc))
|
||
|
|
++first;
|
||
|
|
if (first == end)
|
||
|
|
return std::basic_string<Ch>();
|
||
|
|
typename std::basic_string<Ch>::const_iterator last = end;
|
||
|
|
do --last; while (std::isspace(*last, loc));
|
||
|
|
if (first != s.begin() || last + 1 != end)
|
||
|
|
return std::basic_string<Ch>(first, last + 1);
|
||
|
|
else
|
||
|
|
return s;
|
||
|
|
}
|
||
|
|
|
||
|
|
} } }
|
||
|
|
|
||
|
|
#endif
|