ceph/src/boost/tools/quickbook/src/native_text.cpp

   1 /*=============================================================================
   2     Copyright (c) 2009 Daniel James
   3
   4     Use, modification and distribution is subject to the Boost Software
   5     License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
   6     http://www.boost.org/LICENSE_1_0.txt)
   7 =============================================================================*/
   8
   9 #include <boost/program_options.hpp>
  10 #include <iostream>
  11 #include "native_text.hpp"
  12 #include "utils.hpp"
  13
  14 #if QUICKBOOK_WIDE_PATHS || QUICKBOOK_WIDE_STREAMS
  15 #include <boost/scoped_ptr.hpp>
  16 #include <windows.h>
  17 #endif
  18
  19 namespace quickbook {
  20 namespace detail {
  21 // This is used for converting paths to UTF-8 on cygin.
  22 // Might be better not to use a windows
  23 #if QUICKBOOK_WIDE_PATHS || QUICKBOOK_WIDE_STREAMS
  24     std::string to_utf8(std::wstring const& x)
  25     {
  26         int buffer_count = WideCharToMultiByte(CP_UTF8, 0, x.c_str(), -1, 0, 0, 0, 0);
  27
  28         if (!buffer_count)
  29             throw conversion_error("Error converting wide string to utf-8.");
  30
  31         boost::scoped_ptr<char> buffer(new char[buffer_count]);
  32
  33         if (!WideCharToMultiByte(CP_UTF8, 0, x.c_str(), -1, buffer.get(), buffer_count, 0, 0))
  34             throw conversion_error("Error converting wide string to utf-8.");
  35
  36         return std::string(buffer.get());
  37     }
  38
  39     std::wstring from_utf8(quickbook::string_view text)
  40     {
  41         std::string x(text.begin(), text.end());
  42         int buffer_count = MultiByteToWideChar(CP_UTF8, 0, x.c_str(), -1, 0, 0);
  43
  44         if (!buffer_count)
  45             throw conversion_error("Error converting utf-8 to wide string.");
  46
  47         boost::scoped_ptr<wchar_t> buffer(new wchar_t[buffer_count]);
  48
  49         if (!MultiByteToWideChar(CP_UTF8, 0, x.c_str(), -1, buffer.get(), buffer_count))
  50             throw conversion_error("Error converting utf-8 to wide string.");
  51
  52         return std::wstring(buffer.get());
  53     }
  54 #endif
  55 }}