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//
// SFML - Simple and Fast Multimedia Library
// Copyright (C) 2007-2015 Laurent Gomila (laurent@sfml-dev.org)
//
// This software is provided 'as-is', without any express or implied warranty.
// In no event will the authors be held liable for any damages arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it freely,
// subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented;
// you must not claim that you wrote the original software.
// If you use this software in a product, an acknowledgment
// in the product documentation would be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such,
// and must not be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source distribution.
//
////////////////////////////////////////////////////////////
#ifndef SFML_UTF_HPP
#define SFML_UTF_HPP
////////////////////////////////////////////////////////////
// Headers
////////////////////////////////////////////////////////////
#include <SFML/Config.hpp>
#include <algorithm>
#include <locale>
#include <string>
#include <cstdlib>
namespace sf
{
template <unsigned int N>
class Utf;
////////////////////////////////////////////////////////////
/// \brief Specialization of the Utf template for UTF-8
///
////////////////////////////////////////////////////////////
template <>
class Utf<8>
{
public:
////////////////////////////////////////////////////////////
/// \brief Decode a single UTF-8 character
///
/// Decoding a character means finding its unique 32-bits
/// code (called the codepoint) in the Unicode standard.
///
/// \param begin Iterator pointing to the beginning of the input sequence
/// \param end Iterator pointing to the end of the input sequence
/// \param output Codepoint of the decoded UTF-8 character
/// \param replacement Replacement character to use in case the UTF-8 sequence is invalid
///
/// \return Iterator pointing to one past the last read element of the input sequence
///
////////////////////////////////////////////////////////////
template <typename In>
static In decode(In begin, In end, Uint32& output, Uint32 replacement = 0);
////////////////////////////////////////////////////////////
/// \brief Encode a single UTF-8 character
///
/// Encoding a character means converting a unique 32-bits
/// code (called the codepoint) in the target encoding, UTF-8.
///
/// \param input Codepoint to encode as UTF-8
/// \param output Iterator pointing to the beginning of the output sequence
/// \param replacement Replacement for characters not convertible to UTF-8 (use 0 to skip them)
///
/// \return Iterator to the end of the output sequence which has been written
///
////////////////////////////////////////////////////////////
template <typename Out>
static Out encode(Uint32 input, Out output, Uint8 replacement = 0);
////////////////////////////////////////////////////////////
/// \brief Advance to the next UTF-8 character
///
/// This function is necessary for multi-elements encodings, as
/// a single character may use more than 1 storage element.
///
/// \param begin Iterator pointing to the beginning of the input sequence
/// \param end Iterator pointing to the end of the input sequence
///
/// \return Iterator pointing to one past the last read element of the input sequence
///
////////////////////////////////////////////////////////////
template <typename In>
static In next(In begin, In end);
////////////////////////////////////////////////////////////
/// \brief Count the number of characters of a UTF-8 sequence
///
/// This function is necessary for multi-elements encodings, as
/// a single character may use more than 1 storage element, thus the
/// total size can be different from (begin - end).
///
/// \param begin Iterator pointing to the beginning of the input sequence
/// \param end Iterator pointing to the end of the input sequence
///
/// \return Iterator pointing to one past the last read element of the input sequence
///
////////////////////////////////////////////////////////////
template <typename In>
static std::size_t count(In begin, In end);
////////////////////////////////////////////////////////////
/// \brief Convert an ANSI characters range to UTF-8
///
/// The current global locale will be used by default, unless you
/// pass a custom one in the \a locale parameter.
///
/// \param begin Iterator pointing to the beginning of the input sequence
/// \param end Iterator pointing to the end of the input sequence
/// \param output Iterator pointing to the beginning of the output sequence
/// \param locale Locale to use for conversion
///
/// \return Iterator to the end of the output sequence which has been written
///
////////////////////////////////////////////////////////////
template <typename In, typename Out>
static Out fromAnsi(In begin, In end, Out output, const std::locale& locale = std::locale());
////////////////////////////////////////////////////////////
/// \brief Convert a wide characters range to UTF-8
///
/// \param begin Iterator pointing to the beginning of the input sequence
/// \param end Iterator pointing to the end of the input sequence
/// \param output Iterator pointing to the beginning of the output sequence
///
/// \return Iterator to the end of the output sequence which has been written
///
////////////////////////////////////////////////////////////
template <typename In, typename Out>
static Out fromWide(In begin, In end, Out output);
////////////////////////////////////////////////////////////
/// \brief Convert a latin-1 (ISO-5589-1) characters range to UTF-8
///
/// \param begin Iterator pointing to the beginning of the input sequence
/// \param end Iterator pointing to the end of the input sequence
/// \param output Iterator pointing to the beginning of the output sequence
///
/// \return Iterator to the end of the output sequence which has been written
///
////////////////////////////////////////////////////////////
template <typename In, typename Out>
static Out fromLatin1(In begin, In end, Out output);
////////////////////////////////////////////////////////////
/// \brief Convert an UTF-8 characters range to ANSI characters
///
/// The current global locale will be used by default, unless you
/// pass a custom one in the \a locale parameter.
///
/// \param begin Iterator pointing to the beginning of the input sequence
/// \param end Iterator pointing to the end of the input sequence
/// \param output Iterator pointing to the beginning of the output sequence
/// \param replacement Replacement for characters not convertible to ANSI (use 0 to skip them)
/// \param locale Locale to use for conversion
///
/// \return Iterator to the end of the output sequence which has been written
///
////////////////////////////////////////////////////////////
template <typename In, typename Out>
static Out toAnsi(In begin, In end, Out output, char replacement = 0, const std::locale& locale = std::locale());
////////////////////////////////////////////////////////////
/// \brief Convert an UTF-8 characters range to wide characters
///
/// \param begin Iterator pointing to the beginning of the input sequence
/// \param end Iterator pointing to the end of the input sequence
/// \param output Iterator pointing to the beginning of the output sequence
/// \param replacement Replacement for characters not convertible to wide (use 0 to skip them)
///
/// \return Iterator to the end of the output sequence which has been written
///
////////////////////////////////////////////////////////////
template <typename In, typename Out>
static Out toWide(In begin, In end, Out output, wchar_t replacement = 0);
////////////////////////////////////////////////////////////
/// \brief Convert an UTF-8 characters range to latin-1 (ISO-5589-1) characters
///
/// \param begin Iterator pointing to the beginning of the input sequence
/// \param end Iterator pointing to the end of the input sequence
/// \param output Iterator pointing to the beginning of the output sequence
/// \param replacement Replacement for characters not convertible to wide (use 0 to skip them)
///
/// \return Iterator to the end of the output sequence which has been written
///
////////////////////////////////////////////////////////////
template <typename In, typename Out>
static Out toLatin1(In begin, In end, Out output, char replacement = 0);
////////////////////////////////////////////////////////////
/// \brief Convert a UTF-8 characters range to UTF-8
///
/// This functions does nothing more than a direct copy;
/// it is defined only to provide the same interface as other
/// specializations of the sf::Utf<> template, and allow
/// generic code to be written on top of it.
///
/// \param begin Iterator pointing to the beginning of the input sequence
/// \param end Iterator pointing to the end of the input sequence
/// \param output Iterator pointing to the beginning of the output sequence
///
/// \return Iterator to the end of the output sequence which has been written
///
////////////////////////////////////////////////////////////
template <typename In, typename Out>
static Out toUtf8(In begin, In end, Out output);
////////////////////////////////////////////////////////////
/// \brief Convert a UTF-8 characters range to UTF-16
///
/// \param begin Iterator pointing to the beginning of the input sequence
/// \param end Iterator pointing to the end of the input sequence
/// \param output Iterator pointing to the beginning of the output sequence
///
/// \return Iterator to the end of the output sequence which has been written
///
////////////////////////////////////////////////////////////
template <typename In, typename Out>
static Out toUtf16(In begin, In end, Out output);
////////////////////////////////////////////////////////////
/// \brief Convert a UTF-8 characters range to UTF-32
///
/// \param begin Iterator pointing to the beginning of the input sequence
/// \param end Iterator pointing to the end of the input sequence
/// \param output Iterator pointing to the beginning of the output sequence
///
/// \return Iterator to the end of the output sequence which has been written
///
////////////////////////////////////////////////////////////
template <typename In, typename Out>
static Out toUtf32(In begin, In end, Out output);
};
////////////////////////////////////////////////////////////
/// \brief Specialization of the Utf template for UTF-16
///
////////////////////////////////////////////////////////////
template <>
class Utf<16>
{
public:
////////////////////////////////////////////////////////////
/// \brief Decode a single UTF-16 character
///
/// Decoding a character means finding its unique 32-bits
/// code (called the codepoint) in the Unicode standard.
///
/// \param begin Iterator pointing to the beginning of the input sequence
/// \param end Iterator pointing to the end of the input sequence
/// \param output Codepoint of the decoded UTF-16 character
/// \param replacement Replacement character to use in case the UTF-8 sequence is invalid
///
/// \return Iterator pointing to one past the last read element of the input sequence
///
////////////////////////////////////////////////////////////
template <typename In>
static In decode(In begin, In end, Uint32& output, Uint32 replacement = 0);
////////////////////////////////////////////////////////////
/// \brief Encode a single UTF-16 character
///
/// Encoding a character means converting a unique 32-bits
/// code (called the codepoint) in the target encoding, UTF-16.
///
/// \param input Codepoint to encode as UTF-16
/// \param output Iterator pointing to the beginning of the output sequence
/// \param replacement Replacement for characters not convertible to UTF-16 (use 0 to skip them)
///
/// \return Iterator to the end of the output sequence which has been written
///
////////////////////////////////////////////////////////////
template <typename Out>
static Out encode(Uint32 input, Out output, Uint16 replacement = 0);
////////////////////////////////////////////////////////////
/// \brief Advance to the next UTF-16 character
///
/// This function is necessary for multi-elements encodings, as
/// a single character may use more than 1 storage element.
///
/// \param begin Iterator pointing to the beginning of the input sequence
/// \param end Iterator pointing to the end of the input sequence
///
/// \return Iterator pointing to one past the last read element of the input sequence
///
////////////////////////////////////////////////////////////
template <typename In>
static In next(In begin, In end);
////////////////////////////////////////////////////////////
/// \brief Count the number of characters of a UTF-16 sequence
///
/// This function is necessary for multi-elements encodings, as
/// a single character may use more than 1 storage element, thus the
/// total size can be different from (begin - end).
///
/// \param begin Iterator pointing to the beginning of the input sequence
/// \param end Iterator pointing to the end of the input sequence
///
/// \return Iterator pointing to one past the last read element of the input sequence
///
////////////////////////////////////////////////////////////
template <typename In>
static std::size_t count(In begin, In end);
////////////////////////////////////////////////////////////
/// \brief Convert an ANSI characters range to UTF-16
///
/// The current global locale will be used by default, unless you
/// pass a custom one in the \a locale parameter.
///
/// \param begin Iterator pointing to the beginning of the input sequence
/// \param end Iterator pointing to the end of the input sequence
/// \param output Iterator pointing to the beginning of the output sequence
/// \param locale Locale to use for conversion
///
/// \return Iterator to the end of the output sequence which has been written
///
////////////////////////////////////////////////////////////
template <typename In, typename Out>
static Out fromAnsi(In begin, In end, Out output, const std::locale& locale = std::locale());
////////////////////////////////////////////////////////////
/// \brief Convert a wide characters range to UTF-16
///
/// \param begin Iterator pointing to the beginning of the input sequence
/// \param end Iterator pointing to the end of the input sequence
/// \param output Iterator pointing to the beginning of the output sequence
///
/// \return Iterator to the end of the output sequence which has been written
///
////////////////////////////////////////////////////////////
template <typename In, typename Out>
static Out fromWide(In begin, In end, Out output);
////////////////////////////////////////////////////////////
/// \brief Convert a latin-1 (ISO-5589-1) characters range to UTF-16
///
/// \param begin Iterator pointing to the beginning of the input sequence
/// \param end Iterator pointing to the end of the input sequence
/// \param output Iterator pointing to the beginning of the output sequence
///
/// \return Iterator to the end of the output sequence which has been written
///
////////////////////////////////////////////////////////////
template <typename In, typename Out>
static Out fromLatin1(In begin, In end, Out output);
////////////////////////////////////////////////////////////
/// \brief Convert an UTF-16 characters range to ANSI characters
///
/// The current global locale will be used by default, unless you
/// pass a custom one in the \a locale parameter.
///
/// \param begin Iterator pointing to the beginning of the input sequence
/// \param end Iterator pointing to the end of the input sequence
/// \param output Iterator pointing to the beginning of the output sequence
/// \param replacement Replacement for characters not convertible to ANSI (use 0 to skip them)
/// \param locale Locale to use for conversion
///
/// \return Iterator to the end of the output sequence which has been written
///
////////////////////////////////////////////////////////////
template <typename In, typename Out>
static Out toAnsi(In begin, In end, Out output, char replacement = 0, const std::locale& locale = std::locale());
////////////////////////////////////////////////////////////
/// \brief Convert an UTF-16 characters range to wide characters
///
/// \param begin Iterator pointing to the beginning of the input sequence
/// \param end Iterator pointing to the end of the input sequence
/// \param output Iterator pointing to the beginning of the output sequence
/// \param replacement Replacement for characters not convertible to wide (use 0 to skip them)
///
/// \return Iterator to the end of the output sequence which has been written
///
////////////////////////////////////////////////////////////
template <typename In, typename Out>
static Out toWide(In begin, In end, Out output, wchar_t replacement = 0);
////////////////////////////////////////////////////////////
/// \brief Convert an UTF-16 characters range to latin-1 (ISO-5589-1) characters
///
/// \param begin Iterator pointing to the beginning of the input sequence
/// \param end Iterator pointing to the end of the input sequence
/// \param output Iterator pointing to the beginning of the output sequence
/// \param replacement Replacement for characters not convertible to wide (use 0 to skip them)
///
/// \return Iterator to the end of the output sequence which has been written
///
////////////////////////////////////////////////////////////
template <typename In, typename Out>
static Out toLatin1(In begin, In end, Out output, char replacement = 0);
////////////////////////////////////////////////////////////
/// \brief Convert a UTF-16 characters range to UTF-8
///
/// \param begin Iterator pointing to the beginning of the input sequence
/// \param end Iterator pointing to the end of the input sequence
/// \param output Iterator pointing to the beginning of the output sequence
///
/// \return Iterator to the end of the output sequence which has been written
///
////////////////////////////////////////////////////////////
template <typename In, typename Out>
static Out toUtf8(In begin, In end, Out output);
////////////////////////////////////////////////////////////
/// \brief Convert a UTF-16 characters range to UTF-16
///
/// This functions does nothing more than a direct copy;
/// it is defined only to provide the same interface as other
/// specializations of the sf::Utf<> template, and allow
/// generic code to be written on top of it.
///
/// \param begin Iterator pointing to the beginning of the input sequence
/// \param end Iterator pointing to the end of the input sequence
/// \param output Iterator pointing to the beginning of the output sequence
///
/// \return Iterator to the end of the output sequence which has been written
///
////////////////////////////////////////////////////////////
template <typename In, typename Out>
static Out toUtf16(In begin, In end, Out output);
////////////////////////////////////////////////////////////
/// \brief Convert a UTF-16 characters range to UTF-32
///
/// \param begin Iterator pointing to the beginning of the input sequence
/// \param end Iterator pointing to the end of the input sequence
/// \param output Iterator pointing to the beginning of the output sequence
///
/// \return Iterator to the end of the output sequence which has been written
///
////////////////////////////////////////////////////////////
template <typename In, typename Out>
static Out toUtf32(In begin, In end, Out output);
};
////////////////////////////////////////////////////////////
/// \brief Specialization of the Utf template for UTF-32
///
////////////////////////////////////////////////////////////
template <>
class Utf<32>
{
public:
////////////////////////////////////////////////////////////
/// \brief Decode a single UTF-32 character
///
/// Decoding a character means finding its unique 32-bits
/// code (called the codepoint) in the Unicode standard.
/// For UTF-32, the character value is the same as the codepoint.
///
/// \param begin Iterator pointing to the beginning of the input sequence
/// \param end Iterator pointing to the end of the input sequence
/// \param output Codepoint of the decoded UTF-32 character
/// \param replacement Replacement character to use in case the UTF-8 sequence is invalid
///
/// \return Iterator pointing to one past the last read element of the input sequence
///
////////////////////////////////////////////////////////////
template <typename In>
static In decode(In begin, In end, Uint32& output, Uint32 replacement = 0);
////////////////////////////////////////////////////////////
/// \brief Encode a single UTF-32 character
///
/// Encoding a character means converting a unique 32-bits
/// code (called the codepoint) in the target encoding, UTF-32.
/// For UTF-32, the codepoint is the same as the character value.
///
/// \param input Codepoint to encode as UTF-32
/// \param output Iterator pointing to the beginning of the output sequence
/// \param replacement Replacement for characters not convertible to UTF-32 (use 0 to skip them)
///
/// \return Iterator to the end of the output sequence which has been written
///
////////////////////////////////////////////////////////////
template <typename Out>
static Out encode(Uint32 input, Out output, Uint32 replacement = 0);
////////////////////////////////////////////////////////////
/// \brief Advance to the next UTF-32 character
///
/// This function is trivial for UTF-32, which can store
/// every character in a single storage element.
///
/// \param begin Iterator pointing to the beginning of the input sequence
/// \param end Iterator pointing to the end of the input sequence
///
/// \return Iterator pointing to one past the last read element of the input sequence
///
////////////////////////////////////////////////////////////
template <typename In>
static In next(In begin, In end);
////////////////////////////////////////////////////////////
/// \brief Count the number of characters of a UTF-32 sequence
///
/// This function is trivial for UTF-32, which can store
/// every character in a single storage element.
///
/// \param begin Iterator pointing to the beginning of the input sequence
/// \param end Iterator pointing to the end of the input sequence
///
/// \return Iterator pointing to one past the last read element of the input sequence
///
////////////////////////////////////////////////////////////
template <typename In>
static std::size_t count(In begin, In end);
////////////////////////////////////////////////////////////
/// \brief Convert an ANSI characters range to UTF-32
///
/// The current global locale will be used by default, unless you
/// pass a custom one in the \a locale parameter.
///
/// \param begin Iterator pointing to the beginning of the input sequence
/// \param end Iterator pointing to the end of the input sequence
/// \param output Iterator pointing to the beginning of the output sequence
/// \param locale Locale to use for conversion
///
/// \return Iterator to the end of the output sequence which has been written
///
////////////////////////////////////////////////////////////
template <typename In, typename Out>
static Out fromAnsi(In begin, In end, Out output, const std::locale& locale = std::locale());
////////////////////////////////////////////////////////////
/// \brief Convert a wide characters range to UTF-32
///
/// \param begin Iterator pointing to the beginning of the input sequence
/// \param end Iterator pointing to the end of the input sequence
/// \param output Iterator pointing to the beginning of the output sequence
///
/// \return Iterator to the end of the output sequence which has been written
///
////////////////////////////////////////////////////////////
template <typename In, typename Out>
static Out fromWide(In begin, In end, Out output);
////////////////////////////////////////////////////////////
/// \brief Convert a latin-1 (ISO-5589-1) characters range to UTF-32
///
/// \param begin Iterator pointing to the beginning of the input sequence
/// \param end Iterator pointing to the end of the input sequence
/// \param output Iterator pointing to the beginning of the output sequence
///
/// \return Iterator to the end of the output sequence which has been written
///
////////////////////////////////////////////////////////////
template <typename In, typename Out>
static Out fromLatin1(In begin, In end, Out output);
////////////////////////////////////////////////////////////
/// \brief Convert an UTF-32 characters range to ANSI characters
///
/// The current global locale will be used by default, unless you
/// pass a custom one in the \a locale parameter.
///
/// \param begin Iterator pointing to the beginning of the input sequence
/// \param end Iterator pointing to the end of the input sequence
/// \param output Iterator pointing to the beginning of the output sequence
/// \param replacement Replacement for characters not convertible to ANSI (use 0 to skip them)
/// \param locale Locale to use for conversion
///
/// \return Iterator to the end of the output sequence which has been written
///
////////////////////////////////////////////////////////////
template <typename In, typename Out>
static Out toAnsi(In begin, In end, Out output, char replacement = 0, const std::locale& locale = std::locale());
////////////////////////////////////////////////////////////
/// \brief Convert an UTF-32 characters range to wide characters
///
/// \param begin Iterator pointing to the beginning of the input sequence
/// \param end Iterator pointing to the end of the input sequence
/// \param output Iterator pointing to the beginning of the output sequence
/// \param replacement Replacement for characters not convertible to wide (use 0 to skip them)
///
/// \return Iterator to the end of the output sequence which has been written
///
////////////////////////////////////////////////////////////
template <typename In, typename Out>
static Out toWide(In begin, In end, Out output, wchar_t replacement = 0);
////////////////////////////////////////////////////////////
/// \brief Convert an UTF-16 characters range to latin-1 (ISO-5589-1) characters
///
/// \param begin Iterator pointing to the beginning of the input sequence
/// \param end Iterator pointing to the end of the input sequence
/// \param output Iterator pointing to the beginning of the output sequence
/// \param replacement Replacement for characters not convertible to wide (use 0 to skip them)
///
/// \return Iterator to the end of the output sequence which has been written
///
////////////////////////////////////////////////////////////
template <typename In, typename Out>
static Out toLatin1(In begin, In end, Out output, char replacement = 0);
////////////////////////////////////////////////////////////
/// \brief Convert a UTF-32 characters range to UTF-8
///
/// \param begin Iterator pointing to the beginning of the input sequence
/// \param end Iterator pointing to the end of the input sequence
/// \param output Iterator pointing to the beginning of the output sequence
///
/// \return Iterator to the end of the output sequence which has been written
///
////////////////////////////////////////////////////////////
template <typename In, typename Out>
static Out toUtf8(In begin, In end, Out output);
////////////////////////////////////////////////////////////
/// \brief Convert a UTF-32 characters range to UTF-16
///
/// \param begin Iterator pointing to the beginning of the input sequence
/// \param end Iterator pointing to the end of the input sequence
/// \param output Iterator pointing to the beginning of the output sequence
///
/// \return Iterator to the end of the output sequence which has been written
///
////////////////////////////////////////////////////////////
template <typename In, typename Out>
static Out toUtf16(In begin, In end, Out output);
////////////////////////////////////////////////////////////
/// \brief Convert a UTF-32 characters range to UTF-32
///
/// This functions does nothing more than a direct copy;
/// it is defined only to provide the same interface as other
/// specializations of the sf::Utf<> template, and allow
/// generic code to be written on top of it.
///
/// \param begin Iterator pointing to the beginning of the input sequence
/// \param end Iterator pointing to the end of the input sequence
/// \param output Iterator pointing to the beginning of the output sequence
///
/// \return Iterator to the end of the output sequence which has been written
///
////////////////////////////////////////////////////////////
template <typename In, typename Out>
static Out toUtf32(In begin, In end, Out output);
////////////////////////////////////////////////////////////
/// \brief Decode a single ANSI character to UTF-32
///
/// This function does not exist in other specializations
/// of sf::Utf<>, it is defined for convenience (it is used by
/// several other conversion functions).
///
/// \param input Input ANSI character
/// \param locale Locale to use for conversion
///
/// \return Converted character
///
////////////////////////////////////////////////////////////
template <typename In>
static Uint32 decodeAnsi(In input, const std::locale& locale = std::locale());
////////////////////////////////////////////////////////////
/// \brief Decode a single wide character to UTF-32
///
/// This function does not exist in other specializations
/// of sf::Utf<>, it is defined for convenience (it is used by
/// several other conversion functions).
///
/// \param input Input wide character
///
/// \return Converted character
///
////////////////////////////////////////////////////////////
template <typename In>
static Uint32 decodeWide(In input);
////////////////////////////////////////////////////////////
/// \brief Encode a single UTF-32 character to ANSI
///
/// This function does not exist in other specializations
/// of sf::Utf<>, it is defined for convenience (it is used by
/// several other conversion functions).
///
/// \param codepoint Iterator pointing to the beginning of the input sequence
/// \param output Iterator pointing to the beginning of the output sequence
/// \param replacement Replacement if the input character is not convertible to ANSI (use 0 to skip it)
/// \param locale Locale to use for conversion
///
/// \return Iterator to the end of the output sequence which has been written
///
////////////////////////////////////////////////////////////
template <typename Out>
static Out encodeAnsi(Uint32 codepoint, Out output, char replacement = 0, const std::locale& locale = std::locale());
////////////////////////////////////////////////////////////
/// \brief Encode a single UTF-32 character to wide
///
/// This function does not exist in other specializations
/// of sf::Utf<>, it is defined for convenience (it is used by
/// several other conversion functions).
///
/// \param codepoint Iterator pointing to the beginning of the input sequence
/// \param output Iterator pointing to the beginning of the output sequence
/// \param replacement Replacement if the input character is not convertible to wide (use 0 to skip it)
///
/// \return Iterator to the end of the output sequence which has been written
///
////////////////////////////////////////////////////////////
template <typename Out>
static Out encodeWide(Uint32 codepoint, Out output, wchar_t replacement = 0);
};
#include <SFML/System/Utf.inl>
// Make typedefs to get rid of the template syntax
typedef Utf<8> Utf8;
typedef Utf<16> Utf16;
typedef Utf<32> Utf32;
} // namespace sf
#endif // SFML_UTF_HPP
////////////////////////////////////////////////////////////
/// \class sf::Utf
/// \ingroup system
///
/// Utility class providing generic functions for UTF conversions.
///
/// sf::Utf is a low-level, generic interface for counting, iterating,
/// encoding and decoding Unicode characters and strings. It is able
/// to handle ANSI, wide, latin-1, UTF-8, UTF-16 and UTF-32 encodings.
///
/// sf::Utf<X> functions are all static, these classes are not meant to
/// be instantiated. All the functions are template, so that you
/// can use any character / string type for a given encoding.
///
/// It has 3 specializations:
/// \li sf::Utf<8> (typedef'd to sf::Utf8)
/// \li sf::Utf<16> (typedef'd to sf::Utf16)
/// \li sf::Utf<32> (typedef'd to sf::Utf32)
///
////////////////////////////////////////////////////////////
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