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108 lines
3.2 KiB
C++
108 lines
3.2 KiB
C++
// Copyright Vladimir Prus 2004.
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE_1_0.txt
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// or copy at http://www.boost.org/LICENSE_1_0.txt)
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#ifndef BOOST_CONVERT_HPP_VP_2004_04_28
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#define BOOST_CONVERT_HPP_VP_2004_04_28
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#include <boost/program_options/config.hpp>
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#if !defined(BOOST_NO_STD_WSTRING)
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#include <boost/detail/workaround.hpp>
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#include <string>
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#include <vector>
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#include <locale>
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// for mbstate_t
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#include <cwchar>
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#include <stdexcept>
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#if defined(BOOST_NO_STDC_NAMESPACE)
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#include <wchar.h>
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namespace std
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{
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using ::mbstate_t;
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}
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#endif
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namespace boost {
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/** Converts from local 8 bit encoding into wchar_t string using
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the specified locale facet. */
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BOOST_PROGRAM_OPTIONS_DECL std::wstring
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from_8_bit(const std::string& s,
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const std::codecvt<wchar_t, char, std::mbstate_t>& cvt);
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/** Converts from wchar_t string into local 8 bit encoding into using
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the specified locale facet. */
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BOOST_PROGRAM_OPTIONS_DECL std::string
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to_8_bit(const std::wstring& s,
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const std::codecvt<wchar_t, char, std::mbstate_t>& cvt);
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/** Converts 's', which is assumed to be in UTF8 encoding, into wide
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string. */
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BOOST_PROGRAM_OPTIONS_DECL std::wstring
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from_utf8(const std::string& s);
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/** Converts wide string 's' into string in UTF8 encoding. */
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BOOST_PROGRAM_OPTIONS_DECL std::string
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to_utf8(const std::wstring& s);
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/** Converts wide string 's' into local 8 bit encoding determined by
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the current locale. */
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BOOST_PROGRAM_OPTIONS_DECL std::string
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to_local_8_bit(const std::wstring& s);
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/** Converts 's', which is assumed to be in local 8 bit encoding, into wide
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string. */
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BOOST_PROGRAM_OPTIONS_DECL std::wstring
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from_local_8_bit(const std::string& s);
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namespace program_options
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{
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/** Convert the input string into internal encoding used by
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program_options. Presence of this function allows to avoid
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specializing all methods which access input on wchar_t.
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*/
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BOOST_PROGRAM_OPTIONS_DECL std::string to_internal(const std::string&);
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/** @overload */
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BOOST_PROGRAM_OPTIONS_DECL std::string to_internal(const std::wstring&);
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template<class T>
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std::vector<std::string> to_internal(const std::vector<T>& s)
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{
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std::vector<std::string> result;
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for (unsigned i = 0; i < s.size(); ++i)
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result.push_back(to_internal(s[i]));
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return result;
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}
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}
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}
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#else
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#include <vector>
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#include <string>
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namespace boost{
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namespace program_options{
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BOOST_PROGRAM_OPTIONS_DECL std::string to_internal(const std::string&);
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template<class T>
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std::vector<std::string> to_internal(const std::vector<T>& s)
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{
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std::vector<std::string> result;
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for (unsigned i = 0; i < s.size(); ++i)
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result.push_back(to_internal(s[i]));
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return result;
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}
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}
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}
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#endif
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#endif
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