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 Str>
  22     Str widen(const char *text)
  23     {
  24         typedef typename Str::value_type Ch;
  25         Str result;
  26         while (*text)
  27         {
  28             result += Ch(*text);
  29             ++text;
  30         }
  31         return result;
  32     }
  33
  34     //! Xml writer settings. The default settings lead to no pretty printing.
  35     template<class Str>
  36     class xml_writer_settings
  37     {
  38         typedef typename Str::value_type Ch;
  39     public:
  40         xml_writer_settings(Ch inchar = Ch(' '),
  41                 typename Str::size_type incount = 0,
  42                 const Str &enc = widen<Str>("utf-8"))
  43             : indent_char(inchar)
  44             , indent_count(incount)
  45             , encoding(enc)
  46         {
  47         }
  48
  49         Ch indent_char;
  50         typename Str::size_type indent_count;
  51         Str encoding;
  52     };
  53
  54     template <class Str>
  55     xml_writer_settings<Str> xml_writer_make_settings(typename Str::value_type indent_char = (typename Str::value_type)(' '),
  56         typename Str::size_type indent_count = 0,
  57         const Str &encoding = widen<Str>("utf-8"))
  58     {
  59         return xml_writer_settings<Str>(indent_char, indent_count, encoding);
  60     }
  61
  62 } } }
  63
  64 #endif