boost/property_tree/detail/xml_parser_writer_settings.hpp

   1 // ----------------------------------------------------------------------------
   2 // Copyright (C) 2002-2007 Marcin Kalicinski
   3 // Copyright (C) 2007 Alexey Baskakov
   4 //
   5 // Distributed under the Boost Software License, Version 1.0.
   6 // (See accompanying file LICENSE_1_0.txt or copy at
   7 // http://www.boost.org/LICENSE_1_0.txt)
   8 //
   9 // For more information, see www.boost.org
  10 // ----------------------------------------------------------------------------
  11 #ifndef BOOST_PROPERTY_TREE_DETAIL_XML_PARSER_WRITER_SETTINGS_HPP_INCLUDED
  12 #define BOOST_PROPERTY_TREE_DETAIL_XML_PARSER_WRITER_SETTINGS_HPP_INCLUDED
  13
  14 #include <string>
  15 #include <boost/property_tree/detail/ptree_utils.hpp>
  16
  17 namespace boost { namespace property_tree { namespace xml_parser
  18 {
  19
  20     // Naively convert narrow string to another character type
  21     template<class Ch>
  22     std::basic_string<Ch> widen(const char *text)
  23     {
  24         std::basic_string<Ch> result;
  25         while (*text)
  26         {
  27             result += Ch(*text);
  28             ++text;
  29         }
  30         return result;
  31     }
  32
  33     //! Xml writer settings
  34     template<class Ch>
  35     class xml_writer_settings
  36     {
  37     public:
  38         xml_writer_settings(Ch indent_char = Ch(' '),
  39                             typename std::basic_string<Ch>::size_type indent_count = 4,
  40                             const std::basic_string<Ch> &encoding = widen<Ch>("utf-8"))
  41             : indent_char(indent_char)
  42             , indent_count(indent_count)
  43             , encoding(encoding)
  44         {
  45         }
  46
  47         const Ch indent_char;
  48         const typename std::basic_string<Ch>::size_type indent_count;
  49         const std::basic_string<Ch> encoding;
  50     };
  51
  52     template <class Ch>
  53     xml_writer_settings<Ch> xml_writer_make_settings(Ch indent_char, typename std::basic_string<Ch>::size_type indent_count, const Ch *encoding)
  54     {
  55         return xml_writer_settings<Ch>(indent_char, indent_count, encoding);
  56     }
  57
  58 } } }
  59
  60 #endif